Browse Source
Merge pull request #112 from bunnei/skyeye-dyncom-interpreter
Merge pull request #112 from bunnei/skyeye-dyncom-interpreter
SkyEye dyncom interpreterpull/15/merge
53 changed files with 8616 additions and 8621 deletions
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2src/citra_qt/debugger/disassembler.cpp
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57src/core/CMakeLists.txt
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163src/core/arm/dyncom/arm_dyncom.cpp
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90src/core/arm/dyncom/arm_dyncom.h
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402src/core/arm/dyncom/arm_dyncom_dec.cpp
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155src/core/arm/dyncom/arm_dyncom_dec.h
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6563src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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7src/core/arm/dyncom/arm_dyncom_interpreter.h
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120src/core/arm/dyncom/arm_dyncom_run.cpp
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55src/core/arm/dyncom/arm_dyncom_run.h
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521src/core/arm/dyncom/arm_dyncom_thumb.cpp
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51src/core/arm/dyncom/arm_dyncom_thumb.h
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5src/core/arm/interpreter/arm_interpreter.cpp
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6src/core/arm/interpreter/arm_interpreter.h
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1007src/core/arm/interpreter/armcopro.cpp
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9src/core/arm/interpreter/armemu.cpp
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4src/core/arm/interpreter/arminit.cpp
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238src/core/arm/interpreter/armmmu.cpp
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742src/core/arm/interpreter/armos.cpp
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15src/core/arm/interpreter/armsupp.cpp
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685src/core/arm/interpreter/armvirt.cpp
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1132src/core/arm/interpreter/mmu/arm1176jzf_s_mmu.cpp
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37src/core/arm/interpreter/mmu/arm1176jzf_s_mmu.h
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370src/core/arm/interpreter/mmu/cache.cpp
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168src/core/arm/interpreter/mmu/cache.h
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1206src/core/arm/interpreter/mmu/maverick.cpp
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126src/core/arm/interpreter/mmu/rb.cpp
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55src/core/arm/interpreter/mmu/rb.h
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864src/core/arm/interpreter/mmu/sa_mmu.cpp
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58src/core/arm/interpreter/mmu/sa_mmu.h
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307src/core/arm/interpreter/mmu/tlb.cpp
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87src/core/arm/interpreter/mmu/tlb.h
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149src/core/arm/interpreter/mmu/wb.cpp
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63src/core/arm/interpreter/mmu/wb.h
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1391src/core/arm/interpreter/mmu/xscale_copro.cpp
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8src/core/arm/interpreter/thumbemu.cpp
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4src/core/arm/skyeye_common/arm_regformat.h
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5src/core/arm/skyeye_common/armcpu.h
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5src/core/arm/skyeye_common/armdefs.h
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2src/core/arm/skyeye_common/armemu.h
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117src/core/arm/skyeye_common/armmmu.h
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9src/core/arm/skyeye_common/armos.h
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4src/core/arm/skyeye_common/skyeye_defs.h
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55src/core/arm/skyeye_common/skyeye_types.h
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0src/core/arm/skyeye_common/vfp/asm_vfp.h
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32src/core/arm/skyeye_common/vfp/vfp.cpp
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2src/core/arm/skyeye_common/vfp/vfp.h
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2src/core/arm/skyeye_common/vfp/vfp_helper.h
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6src/core/arm/skyeye_common/vfp/vfpdouble.cpp
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48src/core/arm/skyeye_common/vfp/vfpinstr.cpp
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6src/core/arm/skyeye_common/vfp/vfpsingle.cpp
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2src/core/core.h
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20src/core/hle/coprocessor.h
@ -0,0 +1,163 @@ |
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "core/arm/skyeye_common/armcpu.h"
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#include "core/arm/skyeye_common/armemu.h"
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#include "core/arm/skyeye_common/vfp/vfp.h"
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#include "core/arm/dyncom/arm_dyncom.h"
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#include "core/arm/dyncom/arm_dyncom_interpreter.h"
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const static cpu_config_t s_arm11_cpu_info = { |
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"armv6", "arm11", 0x0007b000, 0x0007f000, NONCACHE |
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}; |
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ARM_DynCom::ARM_DynCom() : ticks(0) { |
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state = std::unique_ptr<ARMul_State>(new ARMul_State); |
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ARMul_EmulateInit(); |
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memset(state.get(), 0, sizeof(ARMul_State)); |
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ARMul_NewState((ARMul_State*)state.get()); |
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state->abort_model = 0; |
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state->cpu = (cpu_config_t*)&s_arm11_cpu_info; |
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state->bigendSig = LOW; |
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ARMul_SelectProcessor(state.get(), ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop); |
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state->lateabtSig = LOW; |
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// Reset the core to initial state
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ARMul_CoProInit(state.get()); |
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ARMul_Reset(state.get()); |
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state->NextInstr = RESUME; // NOTE: This will be overwritten by LoadContext
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state->Emulate = 3; |
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state->pc = state->Reg[15] = 0x00000000; |
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state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
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state->servaddr = 0xFFFF0000; |
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state->NirqSig = HIGH; |
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VFPInit(state.get()); // Initialize the VFP
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ARMul_EmulateInit(); |
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} |
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ARM_DynCom::~ARM_DynCom() { |
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} |
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/**
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* Set the Program Counter to an address |
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* @param addr Address to set PC to |
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*/ |
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void ARM_DynCom::SetPC(u32 pc) { |
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state->pc = state->Reg[15] = pc; |
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} |
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/*
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* Get the current Program Counter |
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* @return Returns current PC |
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*/ |
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u32 ARM_DynCom::GetPC() const { |
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return state->pc; |
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} |
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/**
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* Get an ARM register |
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* @param index Register index (0-15) |
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* @return Returns the value in the register |
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*/ |
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u32 ARM_DynCom::GetReg(int index) const { |
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return state->Reg[index]; |
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} |
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/**
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* Set an ARM register |
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* @param index Register index (0-15) |
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* @param value Value to set register to |
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*/ |
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void ARM_DynCom::SetReg(int index, u32 value) { |
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state->Reg[index] = value; |
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} |
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/**
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* Get the current CPSR register |
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* @return Returns the value of the CPSR register |
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*/ |
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u32 ARM_DynCom::GetCPSR() const { |
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return state->Cpsr; |
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} |
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/**
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* Set the current CPSR register |
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* @param cpsr Value to set CPSR to |
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*/ |
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void ARM_DynCom::SetCPSR(u32 cpsr) { |
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state->Cpsr = cpsr; |
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} |
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/**
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* Returns the number of clock ticks since the last reset |
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* @return Returns number of clock ticks |
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*/ |
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u64 ARM_DynCom::GetTicks() const { |
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return ticks; |
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} |
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/**
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* Executes the given number of instructions |
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* @param num_instructions Number of instructions to executes |
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*/ |
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void ARM_DynCom::ExecuteInstructions(int num_instructions) { |
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ticks += num_instructions; |
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state->NumInstrsToExecute = num_instructions; |
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InterpreterMainLoop(state.get()); |
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} |
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/**
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* Saves the current CPU context |
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* @param ctx Thread context to save |
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* @todo Do we need to save Reg[15] and NextInstr? |
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*/ |
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void ARM_DynCom::SaveContext(ThreadContext& ctx) { |
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memcpy(ctx.cpu_registers, state->Reg, sizeof(ctx.cpu_registers)); |
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memcpy(ctx.fpu_registers, state->ExtReg, sizeof(ctx.fpu_registers)); |
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ctx.sp = state->Reg[13]; |
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ctx.lr = state->Reg[14]; |
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ctx.pc = state->pc; |
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ctx.cpsr = state->Cpsr; |
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ctx.fpscr = state->VFP[1]; |
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ctx.fpexc = state->VFP[2]; |
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ctx.reg_15 = state->Reg[15]; |
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ctx.mode = state->NextInstr; |
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} |
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/**
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* Loads a CPU context |
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* @param ctx Thread context to load |
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* @param Do we need to load Reg[15] and NextInstr? |
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*/ |
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void ARM_DynCom::LoadContext(const ThreadContext& ctx) { |
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memcpy(state->Reg, ctx.cpu_registers, sizeof(ctx.cpu_registers)); |
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memcpy(state->ExtReg, ctx.fpu_registers, sizeof(ctx.fpu_registers)); |
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state->Reg[13] = ctx.sp; |
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state->Reg[14] = ctx.lr; |
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state->pc = ctx.pc; |
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state->Cpsr = ctx.cpsr; |
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state->VFP[1] = ctx.fpscr; |
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state->VFP[2] = ctx.fpexc; |
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state->Reg[15] = ctx.reg_15; |
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state->NextInstr = ctx.mode; |
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} |
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/// Prepare core for thread reschedule (if needed to correctly handle state)
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void ARM_DynCom::PrepareReschedule() { |
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state->NumInstrsToExecute = 0; |
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} |
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@ -0,0 +1,90 @@ |
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// Copyright 2014 Citra Emulator Project |
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// Licensed under GPLv2 |
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// Refer to the license.txt file included. |
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#pragma once |
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#include <memory> |
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#include "common/common_types.h" |
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#include "core/arm/arm_interface.h" |
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#include "core/arm/skyeye_common/armdefs.h" |
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class ARM_DynCom final : virtual public ARM_Interface { |
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public: |
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ARM_DynCom(); |
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~ARM_DynCom(); |
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/** |
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* Set the Program Counter to an address |
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* @param addr Address to set PC to |
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*/ |
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void SetPC(u32 pc); |
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/* |
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* Get the current Program Counter |
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* @return Returns current PC |
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*/ |
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u32 GetPC() const; |
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/** |
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* Get an ARM register |
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* @param index Register index (0-15) |
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* @return Returns the value in the register |
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*/ |
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u32 GetReg(int index) const; |
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/** |
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* Set an ARM register |
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* @param index Register index (0-15) |
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* @param value Value to set register to |
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*/ |
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void SetReg(int index, u32 value); |
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/** |
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* Get the current CPSR register |
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* @return Returns the value of the CPSR register |
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*/ |
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u32 GetCPSR() const; |
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/** |
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* Set the current CPSR register |
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* @param cpsr Value to set CPSR to |
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*/ |
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void SetCPSR(u32 cpsr); |
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/** |
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* Returns the number of clock ticks since the last reset |
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* @return Returns number of clock ticks |
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*/ |
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u64 GetTicks() const; |
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/** |
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* Saves the current CPU context |
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* @param ctx Thread context to save |
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*/ |
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void SaveContext(ThreadContext& ctx); |
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/** |
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* Loads a CPU context |
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* @param ctx Thread context to load |
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*/ |
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void LoadContext(const ThreadContext& ctx); |
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/// Prepare core for thread reschedule (if needed to correctly handle state) |
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void PrepareReschedule(); |
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/** |
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* Executes the given number of instructions |
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* @param num_instructions Number of instructions to executes |
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*/ |
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void ExecuteInstructions(int num_instructions); |
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private: |
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std::unique_ptr<ARMul_State> state; |
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u64 ticks; |
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}; |
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@ -0,0 +1,402 @@ |
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/* Copyright (C)
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* 2012 - Michael.Kang blackfin.kang@gmail.com |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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*/ |
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/**
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* @file arm_dyncom_dec.cpp |
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* @brief Some common utility for arm decoder |
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* @author Michael.Kang blackfin.kang@gmail.com |
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* @version 7849 |
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* @date 2012-03-15 |
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*/ |
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#include "core/arm/skyeye_common/arm_regformat.h"
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#include "core/arm/skyeye_common/armdefs.h"
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#include "core/arm/dyncom/arm_dyncom_dec.h"
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const ISEITEM arm_instruction[] = { |
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#define VFP_DECODE
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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#undef VFP_DECODE
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{"srs" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d, 8, 11, 0x00000005}, |
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{"rfe" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001, 8, 11, 0x0000000a}, |
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{"bkpt" , 2 , 3 , 20, 31, 0x00000e12, 4, 7, 0x00000007}, |
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{"blx" , 1 , 3 , 25, 31, 0x0000007d}, |
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{"cps" , 3 , 6 , 20, 31, 0x00000f10, 16, 16, 0x00000000, 5, 5, 0x00000000}, |
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{"pld" , 4 , 4 , 26, 31, 0x0000003d, 24, 24, 0x00000001, 20, 22, 0x00000005, 12, 15, 0x0000000f}, |
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{"setend" , 2 , 6 , 16, 31, 0x0000f101, 4, 7, 0x00000000}, |
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{"clrex" , 1 , 6 , 0, 31, 0xf57ff01f}, |
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{"rev16" , 2 , 6 , 16, 27, 0x000006bf, 4, 11, 0x000000fb}, |
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{"usad8" , 3 , 6 , 20, 27, 0x00000078, 12, 15, 0x0000000f, 4, 7, 0x00000001}, |
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{"sxtb" , 2 , 6 , 16, 27, 0x000006af, 4, 7, 0x00000007}, |
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{"uxtb" , 2 , 6 , 16, 27, 0x000006ef, 4, 7, 0x00000007}, |
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{"sxth" , 2 , 6 , 16, 27, 0x000006bf, 4, 7, 0x00000007}, |
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{"sxtb16" , 2 , 6 , 16, 27, 0x0000068f, 4, 7, 0x00000007}, |
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{"uxth" , 2 , 6 , 16, 27, 0x000006ff, 4, 7, 0x00000007}, |
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{"uxtb16" , 2 , 6 , 16, 27, 0x000006cf, 4, 7, 0x00000007}, |
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{"cpy" , 2 , 6 , 20, 27, 0x0000001a, 4, 11, 0x00000000}, |
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{"uxtab" , 2 , 6 , 20, 27, 0x0000006e, 4, 9, 0x00000007}, |
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{"ssub8" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x0000000f}, |
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{"shsub8" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x0000000f}, |
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{"ssubaddx" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x00000005}, |
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{"strex" , 2 , 6 , 20, 27, 0x00000018, 4, 7, 0x00000009}, |
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{"strexb" , 2 , 7 , 20, 27, 0x0000001c, 4, 7, 0x00000009}, |
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{"swp" , 2 , 0 , 20, 27, 0x00000010, 4, 7, 0x00000009}, |
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{"swpb" , 2 , 0 , 20, 27, 0x00000014, 4, 7, 0x00000009}, |
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{"ssub16" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x00000007}, |
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{"ssat16" , 2 , 6 , 20, 27, 0x0000006a, 4, 7, 0x00000003}, |
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{"shsubaddx" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x00000005}, |
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{"qsubaddx" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x00000005}, |
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{"shaddsubx" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x00000003}, |
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{"shadd8" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x00000009}, |
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{"shadd16" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x00000001}, |
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{"sel" , 2 , 6 , 20, 27, 0x00000068, 4, 7, 0x0000000b}, |
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{"saddsubx" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x00000003}, |
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{"sadd8" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x00000009}, |
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{"sadd16" , 2 , 6 , 20, 27, 0x00000061, 4, 7, 0x00000001}, |
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{"shsub16" , 2 , 6 , 20, 27, 0x00000063, 4, 7, 0x00000007}, |
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{"umaal" , 2 , 6 , 20, 27, 0x00000004, 4, 7, 0x00000009}, |
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{"uxtab16" , 2 , 6 , 20, 27, 0x0000006c, 4, 7, 0x00000007}, |
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{"usubaddx" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x00000005}, |
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{"usub8" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x0000000f}, |
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{"usub16" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x00000007}, |
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{"usat16" , 2 , 6 , 20, 27, 0x0000006e, 4, 7, 0x00000003}, |
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{"usada8" , 2 , 6 , 20, 27, 0x00000078, 4, 7, 0x00000001}, |
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{"uqsubaddx" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x00000005}, |
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{"uqsub8" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x0000000f}, |
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{"uqsub16" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x00000007}, |
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{"uqaddsubx" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x00000003}, |
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{"uqadd8" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x00000009}, |
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{"uqadd16" , 2 , 6 , 20, 27, 0x00000066, 4, 7, 0x00000001}, |
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{"sxtab" , 2 , 6 , 20, 27, 0x0000006a, 4, 7, 0x00000007}, |
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{"uhsubaddx" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x00000005}, |
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{"uhsub8" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x0000000f}, |
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{"uhsub16" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x00000007}, |
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{"uhaddsubx" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x00000003}, |
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{"uhadd8" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x00000009}, |
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{"uhadd16" , 2 , 6 , 20, 27, 0x00000067, 4, 7, 0x00000001}, |
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{"uaddsubx" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x00000003}, |
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{"uadd8" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x00000009}, |
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{"uadd16" , 2 , 6 , 20, 27, 0x00000065, 4, 7, 0x00000001}, |
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{"sxtah" , 2 , 6 , 20, 27, 0x0000006b, 4, 7, 0x00000007}, |
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{"sxtab16" , 2 , 6 , 20, 27, 0x00000068, 4, 7, 0x00000007}, |
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{"qadd8" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x00000009}, |
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{"bxj" , 2 , 5 , 20, 27, 0x00000012, 4, 7, 0x00000002}, |
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{"clz" , 2 , 3 , 20, 27, 0x00000016, 4, 7, 0x00000001}, |
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{"uxtah" , 2 , 6 , 20, 27, 0x0000006f, 4, 7, 0x00000007}, |
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{"bx" , 2 , 2 , 20, 27, 0x00000012, 4, 7, 0x00000001}, |
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{"rev" , 2 , 6 , 20, 27, 0x0000006b, 4, 7, 0x00000003}, |
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{"blx" , 2 , 3 , 20, 27, 0x00000012, 4, 7, 0x00000003}, |
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{"revsh" , 2 , 6 , 20, 27, 0x0000006f, 4, 7, 0x0000000b}, |
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{"qadd" , 2 , 4 , 20, 27, 0x00000010, 4, 7, 0x00000005}, |
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{"qadd16" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x00000001}, |
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{"qaddsubx" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x00000003}, |
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{"ldrex" , 2 , 0 , 20, 27, 0x00000019, 4, 7, 0x00000009}, |
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{"qdadd" , 2 , 4 , 20, 27, 0x00000014, 4, 7, 0x00000005}, |
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{"qdsub" , 2 , 4 , 20, 27, 0x00000016, 4, 7, 0x00000005}, |
|||
{"qsub" , 2 , 4 , 20, 27, 0x00000012, 4, 7, 0x00000005}, |
|||
{"ldrexb" , 2 , 7 , 20, 27, 0x0000001d, 4, 7, 0x00000009}, |
|||
{"qsub8" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x0000000f}, |
|||
{"qsub16" , 2 , 6 , 20, 27, 0x00000062, 4, 7, 0x00000007}, |
|||
{"smuad" , 4 , 6 , 20, 27, 0x00000070, 12, 15, 0x0000000f, 6, 7, 0x00000000, 4, 4, 0x00000001}, |
|||
{"smmul" , 4 , 6 , 20, 27, 0x00000075, 12, 15, 0x0000000f, 6, 7, 0x00000000, 4, 4, 0x00000001}, |
|||
{"smusd" , 4 , 6 , 20, 27, 0x00000070, 12, 15, 0x0000000f, 6, 7, 0x00000001, 4, 4, 0x00000001}, |
|||
{"smlsd" , 3 , 6 , 20, 27, 0x00000070, 6, 7, 0x00000001, 4, 4, 0x00000001}, |
|||
{"smlsld" , 3 , 6 , 20, 27, 0x00000074, 6, 7, 0x00000001, 4, 4, 0x00000001}, |
|||
{"smmla" , 3 , 6 , 20, 27, 0x00000075, 6, 7, 0x00000000, 4, 4, 0x00000001}, |
|||
{"smmls" , 3 , 6 , 20, 27, 0x00000075, 6, 7, 0x00000003, 4, 4, 0x00000001}, |
|||
{"smlald" , 3 , 6 , 20, 27, 0x00000074, 6, 7, 0x00000000, 4, 4, 0x00000001}, |
|||
{"smlad" , 3 , 6 , 20, 27, 0x00000070, 6, 7, 0x00000000, 4, 4, 0x00000001}, |
|||
{"smlaw" , 3 , 4 , 20, 27, 0x00000012, 7, 7, 0x00000001, 4, 5, 0x00000000}, |
|||
{"smulw" , 3 , 4 , 20, 27, 0x00000012, 7, 7, 0x00000001, 4, 5, 0x00000002}, |
|||
{"pkhtb" , 2 , 6 , 20, 27, 0x00000068, 4, 6, 0x00000005}, |
|||
{"pkhbt" , 2 , 6 , 20, 27, 0x00000068, 4, 6, 0x00000001}, |
|||
{"smul" , 3 , 4 , 20, 27, 0x00000016, 7, 7, 0x00000001, 4, 4, 0x00000000}, |
|||
{"smlalxy" , 3 , 4 , 20, 27, 0x00000014, 7, 7, 0x00000001, 4, 4, 0x00000000}, |
|||
// {"smlal" , 2 , 4 , 21, 27, 0x00000007, 4, 7, 0x00000009},
|
|||
{"smla" , 3 , 4 , 20, 27, 0x00000010, 7, 7, 0x00000001, 4, 4, 0x00000000}, |
|||
{"mcrr" , 1 , 6 , 20, 27, 0x000000c4}, |
|||
{"mrrc" , 1 , 6 , 20, 27, 0x000000c5}, |
|||
{"cmp" , 2 , 0 , 26, 27, 0x00000000, 20, 24, 0x00000015}, |
|||
{"tst" , 2 , 0 , 26, 27, 0x00000000, 20, 24, 0x00000011}, |
|||
{"teq" , 2 , 0 , 26, 27, 0x00000000, 20, 24, 0x00000013}, |
|||
{"cmn" , 2 , 0 , 26, 27, 0x00000000, 20, 24, 0x00000017}, |
|||
{"smull" , 2 , 0 , 21, 27, 0x00000006, 4, 7, 0x00000009}, |
|||
{"umull" , 2 , 0 , 21, 27, 0x00000004, 4, 7, 0x00000009}, |
|||
{"umlal" , 2 , 0 , 21, 27, 0x00000005, 4, 7, 0x00000009}, |
|||
{"smlal" , 2 , 0 , 21, 27, 0x00000007, 4, 7, 0x00000009}, |
|||
{"mul" , 2 , 0 , 21, 27, 0x00000000, 4, 7, 0x00000009}, |
|||
{"mla" , 2 , 0 , 21, 27, 0x00000001, 4, 7, 0x00000009}, |
|||
{"ssat" , 2 , 6 , 21, 27, 0x00000035, 4, 5, 0x00000001}, |
|||
{"usat" , 2 , 6 , 21, 27, 0x00000037, 4, 5, 0x00000001}, |
|||
{"mrs" , 4 , 0 , 23, 27, 0x00000002, 20, 21, 0x00000000, 16, 19, 0x0000000f, 0, 11, 0x00000000}, |
|||
{"msr" , 3 , 0 , 23, 27, 0x00000002, 20, 21, 0x00000002, 4, 7, 0x00000000}, |
|||
{"and" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000000}, |
|||
{"bic" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x0000000e}, |
|||
{"ldm" , 3 , 0 , 25, 27, 0x00000004, 20, 22, 0x00000005, 15, 15, 0x00000000}, |
|||
{"eor" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000001}, |
|||
{"add" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000004}, |
|||
{"rsb" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000003}, |
|||
{"rsc" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000007}, |
|||
{"sbc" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000006}, |
|||
{"adc" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000005}, |
|||
{"sub" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x00000002}, |
|||
{"orr" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x0000000c}, |
|||
{"mvn" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x0000000f}, |
|||
{"mov" , 2 , 0 , 26, 27, 0x00000000, 21, 24, 0x0000000d}, |
|||
{"stm" , 2 , 0 , 25, 27, 0x00000004, 20, 22, 0x00000004}, |
|||
{"ldm" , 4 , 0 , 25, 27, 0x00000004, 22, 22, 0x00000001, 20, 20, 0x00000001, 15, 15, 0x00000001}, |
|||
{"ldrsh" , 3 , 2 , 25, 27, 0x00000000, 20, 20, 0x00000001, 4, 7, 0x0000000f}, |
|||
{"stm" , 3 , 0 , 25, 27, 0x00000004, 22, 22, 0x00000000, 20, 20, 0x00000000}, |
|||
{"ldm" , 3 , 0 , 25, 27, 0x00000004, 22, 22, 0x00000000, 20, 20, 0x00000001}, |
|||
{"ldrsb" , 3 , 2 , 25, 27, 0x00000000, 20, 20, 0x00000001, 4, 7, 0x0000000d}, |
|||
{"strd" , 3 , 4 , 25, 27, 0x00000000, 20, 20, 0x00000000, 4, 7, 0x0000000f}, |
|||
{"ldrh" , 3 , 0 , 25, 27, 0x00000000, 20, 20, 0x00000001, 4, 7, 0x0000000b}, |
|||
{"strh" , 3 , 0 , 25, 27, 0x00000000, 20, 20, 0x00000000, 4, 7, 0x0000000b}, |
|||
{"ldrd" , 3 , 4 , 25, 27, 0x00000000, 20, 20, 0x00000000, 4, 7, 0x0000000d}, |
|||
{"strt" , 3 , 0 , 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000002}, |
|||
{"strbt" , 3 , 0 , 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000006}, |
|||
{"ldrbt" , 3 , 0 , 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000007}, |
|||
{"ldrt" , 3 , 0 , 26, 27, 0x00000001, 24, 24, 0x00000000, 20, 22, 0x00000003}, |
|||
{"mrc" , 3 , 6 , 24, 27, 0x0000000e, 20, 20, 0x00000001, 4, 4, 0x00000001}, |
|||
{"mcr" , 3 , 0 , 24, 27, 0x0000000e, 20, 20, 0x00000000, 4, 4, 0x00000001}, |
|||
{"msr" , 2 , 0 , 23, 27, 0x00000006, 20, 21, 0x00000002}, |
|||
{"ldrb" , 3 , 0 , 26, 27, 0x00000001, 22, 22, 0x00000001, 20, 20, 0x00000001}, |
|||
{"strb" , 3 , 0 , 26, 27, 0x00000001, 22, 22, 0x00000001, 20, 20, 0x00000000}, |
|||
{"ldr" , 4 , 0 , 28, 31, 0x0000000e, 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000001}, |
|||
{"ldrcond" , 3 , 0 , 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000001}, |
|||
{"str" , 3 , 0 , 26, 27, 0x00000001, 22, 22, 0x00000000, 20, 20, 0x00000000}, |
|||
{"cdp" , 2 , 0 , 24, 27, 0x0000000e, 4, 4, 0x00000000}, |
|||
{"stc" , 2 , 0 , 25, 27, 0x00000006, 20, 20, 0x00000000}, |
|||
{"ldc" , 2 , 0 , 25, 27, 0x00000006, 20, 20, 0x00000001}, |
|||
{"swi" , 1 , 0 , 24, 27, 0x0000000f}, |
|||
{"bbl" , 1 , 0 , 25, 27, 0x00000005}, |
|||
}; |
|||
|
|||
const ISEITEM arm_exclusion_code[] = { |
|||
#define VFP_DECODE_EXCLUSION
|
|||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
|||
#undef VFP_DECODE_EXCLUSION
|
|||
{"srs" , 0 , 6 , 0}, |
|||
{"rfe" , 0 , 6 , 0}, |
|||
{"bkpt" , 0 , 3 , 0}, |
|||
{"blx" , 0 , 3 , 0}, |
|||
{"cps" , 0 , 6 , 0}, |
|||
{"pld" , 0 , 4 , 0}, |
|||
{"setend" , 0 , 6 , 0}, |
|||
{"clrex" , 0 , 6 , 0}, |
|||
{"rev16" , 0 , 6 , 0}, |
|||
{"usad8" , 0 , 6 , 0}, |
|||
{"sxtb" , 0 , 6 , 0}, |
|||
{"uxtb" , 0 , 6 , 0}, |
|||
{"sxth" , 0 , 6 , 0}, |
|||
{"sxtb16" , 0 , 6 , 0}, |
|||
{"uxth" , 0 , 6 , 0}, |
|||
{"uxtb16" , 0 , 6 , 0}, |
|||
{"cpy" , 0 , 6 , 0}, |
|||
{"uxtab" , 0 , 6 , 0}, |
|||
{"ssub8" , 0 , 6 , 0}, |
|||
{"shsub8" , 0 , 6 , 0}, |
|||
{"ssubaddx" , 0 , 6 , 0}, |
|||
{"strex" , 0 , 6 , 0}, |
|||
{"strexb" , 0 , 7 , 0}, |
|||
{"swp" , 0 , 0 , 0}, |
|||
{"swpb" , 0 , 0 , 0}, |
|||
{"ssub16" , 0 , 6 , 0}, |
|||
{"ssat16" , 0 , 6 , 0}, |
|||
{"shsubaddx" , 0 , 6 , 0}, |
|||
{"qsubaddx" , 0 , 6 , 0}, |
|||
{"shaddsubx" , 0 , 6 , 0}, |
|||
{"shadd8" , 0 , 6 , 0}, |
|||
{"shadd16" , 0 , 6 , 0}, |
|||
{"sel" , 0 , 6 , 0}, |
|||
{"saddsubx" , 0 , 6 , 0}, |
|||
{"sadd8" , 0 , 6 , 0}, |
|||
{"sadd16" , 0 , 6 , 0}, |
|||
{"shsub16" , 0 , 6 , 0}, |
|||
{"umaal" , 0 , 6 , 0}, |
|||
{"uxtab16" , 0 , 6 , 0}, |
|||
{"usubaddx" , 0 , 6 , 0}, |
|||
{"usub8" , 0 , 6 , 0}, |
|||
{"usub16" , 0 , 6 , 0}, |
|||
{"usat16" , 0 , 6 , 0}, |
|||
{"usada8" , 0 , 6 , 0}, |
|||
{"uqsubaddx" , 0 , 6 , 0}, |
|||
{"uqsub8" , 0 , 6 , 0}, |
|||
{"uqsub16" , 0 , 6 , 0}, |
|||
{"uqaddsubx" , 0 , 6 , 0}, |
|||
{"uqadd8" , 0 , 6 , 0}, |
|||
{"uqadd16" , 0 , 6 , 0}, |
|||
{"sxtab" , 0 , 6 , 0}, |
|||
{"uhsubaddx" , 0 , 6 , 0}, |
|||
{"uhsub8" , 0 , 6 , 0}, |
|||
{"uhsub16" , 0 , 6 , 0}, |
|||
{"uhaddsubx" , 0 , 6 , 0}, |
|||
{"uhadd8" , 0 , 6 , 0}, |
|||
{"uhadd16" , 0 , 6 , 0}, |
|||
{"uaddsubx" , 0 , 6 , 0}, |
|||
{"uadd8" , 0 , 6 , 0}, |
|||
{"uadd16" , 0 , 6 , 0}, |
|||
{"sxtah" , 0 , 6 , 0}, |
|||
{"sxtab16" , 0 , 6 , 0}, |
|||
{"qadd8" , 0 , 6 , 0}, |
|||
{"bxj" , 0 , 5 , 0}, |
|||
{"clz" , 0 , 3 , 0}, |
|||
{"uxtah" , 0 , 6 , 0}, |
|||
{"bx" , 0 , 2 , 0}, |
|||
{"rev" , 0 , 6 , 0}, |
|||
{"blx" , 0 , 3 , 0}, |
|||
{"revsh" , 0 , 6 , 0}, |
|||
{"qadd" , 0 , 4 , 0}, |
|||
{"qadd16" , 0 , 6 , 0}, |
|||
{"qaddsubx" , 0 , 6 , 0}, |
|||
{"ldrex" , 0 , 0 , 0}, |
|||
{"qdadd" , 0 , 4 , 0}, |
|||
{"qdsub" , 0 , 4 , 0}, |
|||
{"qsub" , 0 , 4 , 0}, |
|||
{"ldrexb" , 0 , 7 , 0}, |
|||
{"qsub8" , 0 , 6 , 0}, |
|||
{"qsub16" , 0 , 6 , 0}, |
|||
{"smuad" , 0 , 6 , 0}, |
|||
{"smmul" , 0 , 6 , 0}, |
|||
{"smusd" , 0 , 6 , 0}, |
|||
{"smlsd" , 0 , 6 , 0}, |
|||
{"smlsld" , 0 , 6 , 0}, |
|||
{"smmla" , 0 , 6 , 0}, |
|||
{"smmls" , 0 , 6 , 0}, |
|||
{"smlald" , 0 , 6 , 0}, |
|||
{"smlad" , 0 , 6 , 0}, |
|||
{"smlaw" , 0 , 4 , 0}, |
|||
{"smulw" , 0 , 4 , 0}, |
|||
{"pkhtb" , 0 , 6 , 0}, |
|||
{"pkhbt" , 0 , 6 , 0}, |
|||
{"smul" , 0 , 4 , 0}, |
|||
{"smlal" , 0 , 4 , 0}, |
|||
{"smla" , 0 , 4 , 0}, |
|||
{"mcrr" , 0 , 6 , 0}, |
|||
{"mrrc" , 0 , 6 , 0}, |
|||
{"cmp" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"tst" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"teq" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"cmn" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"smull" , 0 , 0 , 0}, |
|||
{"umull" , 0 , 0 , 0}, |
|||
{"umlal" , 0 , 0 , 0}, |
|||
{"smlal" , 0 , 0 , 0}, |
|||
{"mul" , 0 , 0 , 0}, |
|||
{"mla" , 0 , 0 , 0}, |
|||
{"ssat" , 0 , 6 , 0}, |
|||
{"usat" , 0 , 6 , 0}, |
|||
{"mrs" , 0 , 0 , 0}, |
|||
{"msr" , 0 , 0 , 0}, |
|||
{"and" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"bic" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"ldm" , 0 , 0 , 0}, |
|||
{"eor" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"add" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"rsb" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"rsc" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"sbc" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"adc" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"sub" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"orr" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"mvn" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"mov" , 3 , 0 , 4, 4, 0x00000001, 7, 7, 0x00000001, 25, 25, 0x00000000}, |
|||
{"stm" , 0 , 0 , 0}, |
|||
{"ldm" , 0 , 0 , 0}, |
|||
{"ldrsh" , 0 , 2 , 0}, |
|||
{"stm" , 0 , 0 , 0}, |
|||
{"ldm" , 0 , 0 , 0}, |
|||
{"ldrsb" , 0 , 2 , 0}, |
|||
{"strd" , 0 , 4 , 0}, |
|||
{"ldrh" , 0 , 0 , 0}, |
|||
{"strh" , 0 , 0 , 0}, |
|||
{"ldrd" , 0 , 4 , 0}, |
|||
{"strt" , 0 , 0 , 0}, |
|||
{"strbt" , 0 , 0 , 0}, |
|||
{"ldrbt" , 0 , 0 , 0}, |
|||
{"ldrt" , 0 , 0 , 0}, |
|||
{"mrc" , 0 , 6 , 0}, |
|||
{"mcr" , 0 , 0 , 0}, |
|||
{"msr" , 0 , 0 , 0}, |
|||
{"ldrb" , 0 , 0 , 0}, |
|||
{"strb" , 0 , 0 , 0}, |
|||
{"ldr" , 0 , 0 , 0}, |
|||
{"ldrcond" , 1 , 0 , 28, 31, 0x0000000e}, |
|||
{"str" , 0 , 0 , 0}, |
|||
{"cdp" , 0 , 0 , 0}, |
|||
{"stc" , 0 , 0 , 0}, |
|||
{"ldc" , 0 , 0 , 0}, |
|||
{"swi" , 0 , 0 , 0}, |
|||
{"bbl" , 0 , 0 , 0}, |
|||
{"bl_1_thumb", 0, INVALID, 0},/* should be table[-4] */ |
|||
{"bl_2_thumb", 0, INVALID, 0}, /* should be located at the end of the table[-3] */ |
|||
{"blx_1_thumb", 0, INVALID, 0}, /* should be located at table[-2] */ |
|||
{"invalid", 0, INVALID, 0} |
|||
}; |
|||
|
|||
int decode_arm_instr(uint32_t instr, int32_t *idx) |
|||
{ |
|||
int n = 0; |
|||
int base = 0; |
|||
int ret = DECODE_FAILURE; |
|||
int i = 0; |
|||
int instr_slots = sizeof(arm_instruction)/sizeof(ISEITEM); |
|||
for (i = 0; i < instr_slots; i++) |
|||
{ |
|||
// ret = DECODE_SUCCESS;
|
|||
n = arm_instruction[i].attribute_value; |
|||
base = 0; |
|||
while (n) { |
|||
if (arm_instruction[i].content[base + 1] == 31 && arm_instruction[i].content[base] == 0) { |
|||
/* clrex */ |
|||
if (instr != arm_instruction[i].content[base + 2]) { |
|||
break; |
|||
} |
|||
} else if (BITS(arm_instruction[i].content[base], arm_instruction[i].content[base + 1]) != arm_instruction[i].content[base + 2]) { |
|||
break; |
|||
} |
|||
base += 3; |
|||
n --; |
|||
} |
|||
//All conditions is satisfied.
|
|||
if (n == 0) |
|||
ret = DECODE_SUCCESS; |
|||
|
|||
if (ret == DECODE_SUCCESS) { |
|||
n = arm_exclusion_code[i].attribute_value; |
|||
if (n != 0) { |
|||
base = 0; |
|||
while (n) { |
|||
if (BITS(arm_exclusion_code[i].content[base], arm_exclusion_code[i].content[base + 1]) != arm_exclusion_code[i].content[base + 2]) { |
|||
break; } |
|||
base += 3; |
|||
n --; |
|||
} |
|||
//All conditions is satisfied.
|
|||
if (n == 0) |
|||
ret = DECODE_FAILURE; |
|||
} |
|||
} |
|||
|
|||
if (ret == DECODE_SUCCESS) { |
|||
*idx = i; |
|||
return ret; |
|||
} |
|||
} |
|||
return ret; |
|||
} |
|||
|
|||
@ -0,0 +1,155 @@ |
|||
/* Copyright (C) |
|||
* 2012 - Michael.Kang blackfin.kang@gmail.com |
|||
* This program is free software; you can redistribute it and/or |
|||
* modify it under the terms of the GNU General Public License |
|||
* as published by the Free Software Foundation; either version 2 |
|||
* of the License, or (at your option) any later version. |
|||
* |
|||
* This program is distributed in the hope that it will be useful, |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
* GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License |
|||
* along with this program; if not, write to the Free Software |
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|||
* |
|||
*/ |
|||
|
|||
/** |
|||
* @file arm_dyncom_dec.h |
|||
* @brief Some common utility for arm instruction decoder |
|||
* @author Michael.Kang blackfin.kang@gmail.com |
|||
* @version 7849 |
|||
* @date 2012-03-15 |
|||
*/ |
|||
|
|||
#ifndef __ARM_DYNCOM_DEC__ |
|||
#define __ARM_DYNCOM_DEC__ |
|||
|
|||
#define BITS(a,b) ((instr >> (a)) & ((1 << (1+(b)-(a)))-1)) |
|||
#define BIT(n) ((instr >> (n)) & 1) |
|||
#define BAD do{printf("meet BAD at %s, instr is %x\n", __FUNCTION__, instr ); /*exit(0);*/}while(0); |
|||
#define ptr_N cpu->ptr_N |
|||
#define ptr_Z cpu->ptr_Z |
|||
#define ptr_C cpu->ptr_C |
|||
#define ptr_V cpu->ptr_V |
|||
#define ptr_I cpu->ptr_I |
|||
#define ptr_T cpu->ptr_T |
|||
#define ptr_CPSR cpu->ptr_gpr[16] |
|||
|
|||
/* for MUL instructions */ |
|||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */ |
|||
#define RDHi ((instr >> 16) & 0xF) |
|||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */ |
|||
#define RDLo ((instr >> 12) & 0xF) |
|||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */ |
|||
#define MUL_RD ((instr >> 16) & 0xF) |
|||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */ |
|||
#define MUL_RN ((instr >> 12) & 0xF) |
|||
/*xxxx xxxx xxxx xxxx xxxx 1111 xxxx xxxx */ |
|||
#define RS ((instr >> 8) & 0xF) |
|||
|
|||
/*xxxx xxxx xxxx xxxx 1111 xxxx xxxx xxxx */ |
|||
#define RD ((instr >> 12) & 0xF) |
|||
/*xxxx xxxx xxxx 1111 xxxx xxxx xxxx xxxx */ |
|||
#define RN ((instr >> 16) & 0xF) |
|||
/*xxxx xxxx xxxx xxxx xxxx xxxx xxxx 1111 */ |
|||
#define RM (instr & 0xF) |
|||
#define BIT(n) ((instr >> (n)) & 1) |
|||
#define BITS(a,b) ((instr >> (a)) & ((1 << (1+(b)-(a)))-1)) |
|||
|
|||
/* CP15 registers */ |
|||
#define OPCODE_1 BITS(21, 23) |
|||
#define CRn BITS(16, 19) |
|||
#define CRm BITS(0, 3) |
|||
#define OPCODE_2 BITS(5, 7) |
|||
|
|||
/*xxxx xx1x xxxx xxxx xxxx xxxx xxxx xxxx */ |
|||
#define I BIT(25) |
|||
/*xxxx xxxx xxx1 xxxx xxxx xxxx xxxx xxxx */ |
|||
#define S BIT(20) |
|||
|
|||
#define SHIFT BITS(5,6) |
|||
#define SHIFT_IMM BITS(7,11) |
|||
#define IMMH BITS(8,11) |
|||
#define IMML BITS(0,3) |
|||
|
|||
#define LSPBIT BIT(24) |
|||
#define LSUBIT BIT(23) |
|||
#define LSBBIT BIT(22) |
|||
#define LSWBIT BIT(21) |
|||
#define LSLBIT BIT(20) |
|||
#define LSSHBITS BITS(5,6) |
|||
#define OFFSET12 BITS(0,11) |
|||
#define SBIT BIT(20) |
|||
#define DESTReg (BITS (12, 15)) |
|||
|
|||
/* they are in unused state, give a corrent value when using */ |
|||
#define IS_V5E 0 |
|||
#define IS_V5 0 |
|||
#define IS_V6 0 |
|||
#define LHSReg 0 |
|||
|
|||
/* temp define the using the pc reg need implement a flow */ |
|||
#define STORE_CHECK_RD_PC ADD(R(RD), CONST(INSTR_SIZE * 2)) |
|||
|
|||
#define OPERAND operand(cpu,instr,bb,NULL) |
|||
#define SCO_OPERAND(sco) operand(cpu,instr,bb,sco) |
|||
#define BOPERAND boperand(instr) |
|||
|
|||
#define CHECK_RN_PC (RN==15? ADD(AND(R(RN), CONST(~0x1)), CONST(INSTR_SIZE * 2)):R(RN)) |
|||
#define CHECK_RN_PC_WA (RN==15? ADD(AND(R(RN), CONST(~0x3)), CONST(INSTR_SIZE * 2)):R(RN)) |
|||
|
|||
#define GET_USER_MODE() (OR(ICMP_EQ(R(MODE_REG), CONST(USER32MODE)), ICMP_EQ(R(MODE_REG), CONST(SYSTEM32MODE)))) |
|||
|
|||
int decode_arm_instr(uint32_t instr, int32_t *idx); |
|||
|
|||
enum DECODE_STATUS { |
|||
DECODE_SUCCESS, |
|||
DECODE_FAILURE |
|||
}; |
|||
|
|||
struct instruction_set_encoding_item { |
|||
const char *name; |
|||
int attribute_value; |
|||
int version; |
|||
u32 content[21]; |
|||
}; |
|||
|
|||
typedef struct instruction_set_encoding_item ISEITEM; |
|||
|
|||
#define RECORD_WB(value, flag) {cpu->dyncom_engine->wb_value = value;cpu->dyncom_engine->wb_flag = flag;} |
|||
#define INIT_WB(wb_value, wb_flag) RECORD_WB(wb_value, wb_flag) |
|||
|
|||
#define EXECUTE_WB(base_reg) {if(cpu->dyncom_engine->wb_flag) \ |
|||
LET(base_reg, cpu->dyncom_engine->wb_value);} |
|||
inline int get_reg_count(uint32_t instr){ |
|||
int i = BITS(0,15); |
|||
int count = 0; |
|||
while(i){ |
|||
if(i & 1) |
|||
count ++; |
|||
i = i >> 1; |
|||
} |
|||
return count; |
|||
} |
|||
|
|||
enum ARMVER { |
|||
INVALID = 0, |
|||
ARMALL, |
|||
ARMV4, |
|||
ARMV4T, |
|||
ARMV5T, |
|||
ARMV5TE, |
|||
ARMV5TEJ, |
|||
ARMV6, |
|||
ARM1176JZF_S, |
|||
ARMVFP2, |
|||
ARMVFP3 |
|||
}; |
|||
|
|||
//extern const INSTRACT arm_instruction_action[]; |
|||
extern const ISEITEM arm_instruction[]; |
|||
|
|||
#endif |
|||
6563
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
File diff suppressed because it is too large
View File
File diff suppressed because it is too large
View File
@ -0,0 +1,7 @@ |
|||
// Copyright 2014 Citra Emulator Project |
|||
// Licensed under GPLv2 |
|||
// Refer to the license.txt file included. |
|||
|
|||
#pragma once |
|||
|
|||
void InterpreterMainLoop(ARMul_State* state); |
|||
@ -0,0 +1,120 @@ |
|||
/* Copyright (C)
|
|||
* 2011 - Michael.Kang blackfin.kang@gmail.com |
|||
* This program is free software; you can redistribute it and/or |
|||
* modify it under the terms of the GNU General Public License |
|||
* as published by the Free Software Foundation; either version 2 |
|||
* of the License, or (at your option) any later version. |
|||
* |
|||
* This program is distributed in the hope that it will be useful, |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
* GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License |
|||
* along with this program; if not, write to the Free Software |
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|||
* |
|||
*/ |
|||
/**
|
|||
* @file arm_dyncom_run.cpp |
|||
* @brief The dyncom run implementation for arm |
|||
* @author Michael.Kang blackfin.kang@gmail.com |
|||
* @version 78.77 |
|||
* @date 2011-11-20 |
|||
*/ |
|||
|
|||
#include <assert.h>
|
|||
|
|||
#include "core/arm/skyeye_common/armdefs.h"
|
|||
|
|||
void switch_mode(arm_core_t *core, uint32_t mode) |
|||
{ |
|||
uint32_t tmp1, tmp2; |
|||
if (core->Mode == mode) { |
|||
//Mode not changed.
|
|||
//printf("mode not changed\n");
|
|||
return; |
|||
} |
|||
//printf("%d --->>> %d\n", core->Mode, mode);
|
|||
//printf("In %s, Cpsr=0x%x, R15=0x%x, last_pc=0x%x, cpsr=0x%x, spsr_copy=0x%x, icounter=%lld\n", __FUNCTION__, core->Cpsr, core->Reg[15], core->last_pc, core->Cpsr, core->Spsr_copy, core->icounter);
|
|||
if (mode != USERBANK) { |
|||
switch (core->Mode) { |
|||
case USER32MODE: |
|||
core->Reg_usr[0] = core->Reg[13]; |
|||
core->Reg_usr[1] = core->Reg[14]; |
|||
break; |
|||
case IRQ32MODE: |
|||
core->Reg_irq[0] = core->Reg[13]; |
|||
core->Reg_irq[1] = core->Reg[14]; |
|||
core->Spsr[IRQBANK] = core->Spsr_copy; |
|||
break; |
|||
case SVC32MODE: |
|||
core->Reg_svc[0] = core->Reg[13]; |
|||
core->Reg_svc[1] = core->Reg[14]; |
|||
core->Spsr[SVCBANK] = core->Spsr_copy; |
|||
break; |
|||
case ABORT32MODE: |
|||
core->Reg_abort[0] = core->Reg[13]; |
|||
core->Reg_abort[1] = core->Reg[14]; |
|||
core->Spsr[ABORTBANK] = core->Spsr_copy; |
|||
break; |
|||
case UNDEF32MODE: |
|||
core->Reg_undef[0] = core->Reg[13]; |
|||
core->Reg_undef[1] = core->Reg[14]; |
|||
core->Spsr[UNDEFBANK] = core->Spsr_copy; |
|||
break; |
|||
case FIQ32MODE: |
|||
core->Reg_firq[0] = core->Reg[13]; |
|||
core->Reg_firq[1] = core->Reg[14]; |
|||
core->Spsr[FIQBANK] = core->Spsr_copy; |
|||
break; |
|||
|
|||
} |
|||
|
|||
switch (mode) { |
|||
case USER32MODE: |
|||
core->Reg[13] = core->Reg_usr[0]; |
|||
core->Reg[14] = core->Reg_usr[1]; |
|||
core->Bank = USERBANK; |
|||
break; |
|||
case IRQ32MODE: |
|||
core->Reg[13] = core->Reg_irq[0]; |
|||
core->Reg[14] = core->Reg_irq[1]; |
|||
core->Spsr_copy = core->Spsr[IRQBANK]; |
|||
core->Bank = IRQBANK; |
|||
break; |
|||
case SVC32MODE: |
|||
core->Reg[13] = core->Reg_svc[0]; |
|||
core->Reg[14] = core->Reg_svc[1]; |
|||
core->Spsr_copy = core->Spsr[SVCBANK]; |
|||
core->Bank = SVCBANK; |
|||
break; |
|||
case ABORT32MODE: |
|||
core->Reg[13] = core->Reg_abort[0]; |
|||
core->Reg[14] = core->Reg_abort[1]; |
|||
core->Spsr_copy = core->Spsr[ABORTBANK]; |
|||
core->Bank = ABORTBANK; |
|||
break; |
|||
case UNDEF32MODE: |
|||
core->Reg[13] = core->Reg_undef[0]; |
|||
core->Reg[14] = core->Reg_undef[1]; |
|||
core->Spsr_copy = core->Spsr[UNDEFBANK]; |
|||
core->Bank = UNDEFBANK; |
|||
break; |
|||
case FIQ32MODE: |
|||
core->Reg[13] = core->Reg_firq[0]; |
|||
core->Reg[14] = core->Reg_firq[1]; |
|||
core->Spsr_copy = core->Spsr[FIQBANK]; |
|||
core->Bank = FIQBANK; |
|||
break; |
|||
|
|||
} |
|||
core->Mode = mode; |
|||
//printf("In %si end, Cpsr=0x%x, R15=0x%x, last_pc=0x%x, cpsr=0x%x, spsr_copy=0x%x, icounter=%lld\n", __FUNCTION__, core->Cpsr, core->Reg[15], core->last_pc, core->Cpsr, core->Spsr_copy, core->icounter);
|
|||
//printf("\n--------------------------------------\n");
|
|||
} |
|||
else { |
|||
printf("user mode\n"); |
|||
exit(-2); |
|||
} |
|||
} |
|||
@ -0,0 +1,55 @@ |
|||
/* Copyright (C) |
|||
* 2011 - Michael.Kang blackfin.kang@gmail.com |
|||
* This program is free software; you can redistribute it and/or |
|||
* modify it under the terms of the GNU General Public License |
|||
* as published by the Free Software Foundation; either version 2 |
|||
* of the License, or (at your option) any later version. |
|||
* |
|||
* This program is distributed in the hope that it will be useful, |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
* GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License |
|||
* along with this program; if not, write to the Free Software |
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|||
* |
|||
*/ |
|||
|
|||
#ifndef __ARM_DYNCOM_RUN__ |
|||
#define __ARM_DYNCOM_RUN__ |
|||
|
|||
#include "core/arm/skyeye_common/skyeye_types.h" |
|||
|
|||
void switch_mode(arm_core_t *core, uint32_t mode); |
|||
|
|||
/* FIXME, we temporarily think thumb instruction is always 16 bit */ |
|||
static inline uint32 GET_INST_SIZE(arm_core_t* core){ |
|||
return core->TFlag? 2 : 4; |
|||
} |
|||
|
|||
/** |
|||
* @brief Read R15 and forced R15 to wold align, used address calculation |
|||
* |
|||
* @param core |
|||
* @param Rn |
|||
* |
|||
* @return |
|||
*/ |
|||
static inline addr_t CHECK_READ_REG15_WA(arm_core_t* core, int Rn){ |
|||
return (Rn == 15)? ((core->Reg[15] & ~0x3) + GET_INST_SIZE(core) * 2) : core->Reg[Rn]; |
|||
} |
|||
|
|||
/** |
|||
* @brief Read R15, used to data processing with pc |
|||
* |
|||
* @param core |
|||
* @param Rn |
|||
* |
|||
* @return |
|||
*/ |
|||
static inline uint32 CHECK_READ_REG15(arm_core_t* core, int Rn){ |
|||
return (Rn == 15)? ((core->Reg[15] & ~0x1) + GET_INST_SIZE(core) * 2) : core->Reg[Rn]; |
|||
} |
|||
|
|||
#endif |
|||
@ -0,0 +1,521 @@ |
|||
/* Copyright (C)
|
|||
* 2011 - Michael.Kang blackfin.kang@gmail.com |
|||
* This program is free software; you can redistribute it and/or |
|||
* modify it under the terms of the GNU General Public License |
|||
* as published by the Free Software Foundation; either version 2 |
|||
* of the License, or (at your option) any later version. |
|||
* |
|||
* This program is distributed in the hope that it will be useful, |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
* GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License |
|||
* along with this program; if not, write to the Free Software |
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|||
* |
|||
*/ |
|||
/**
|
|||
* @file arm_dyncom_thumb.c |
|||
* @brief The thumb dynamic interpreter |
|||
* @author Michael.Kang blackfin.kang@gmail.com |
|||
* @version 78.77 |
|||
* @date 2011-11-07 |
|||
*/ |
|||
|
|||
/* We can provide simple Thumb simulation by decoding the Thumb
|
|||
instruction into its corresponding ARM instruction, and using the |
|||
existing ARM simulator. */ |
|||
|
|||
#include "core/arm/skyeye_common/skyeye_defs.h"
|
|||
|
|||
#ifndef MODET /* required for the Thumb instruction support */
|
|||
#if 1
|
|||
#error "MODET needs to be defined for the Thumb world to work"
|
|||
#else
|
|||
#define MODET (1)
|
|||
#endif
|
|||
#endif
|
|||
|
|||
#include "core/arm/skyeye_common/armos.h"
|
|||
#include "core/arm/dyncom/arm_dyncom_thumb.h"
|
|||
|
|||
/* Decode a 16bit Thumb instruction. The instruction is in the low
|
|||
16-bits of the tinstr field, with the following Thumb instruction |
|||
held in the high 16-bits. Passing in two Thumb instructions allows |
|||
easier simulation of the special dual BL instruction. */ |
|||
|
|||
tdstate thumb_translate (addr_t addr, uint32_t instr, uint32_t* ainstr, uint32_t* inst_size) |
|||
{ |
|||
tdstate valid = t_uninitialized; |
|||
ARMword next_instr; |
|||
ARMword tinstr; |
|||
tinstr = instr; |
|||
/* The endian should be judge here */ |
|||
#if 0
|
|||
if (state->bigendSig) { |
|||
next_instr = tinstr & 0xFFFF; |
|||
tinstr >>= 16; |
|||
} |
|||
else { |
|||
next_instr = tinstr >> 16; |
|||
tinstr &= 0xFFFF; |
|||
} |
|||
#endif
|
|||
if((addr & 0x3) != 0) |
|||
tinstr = instr >> 16; |
|||
else |
|||
tinstr &= 0xFFFF; |
|||
|
|||
//printf("In %s, instr=0x%x, tinstr=0x%x, r15=0x%x\n", __FUNCTION__, instr, tinstr, cpu->translate_pc);
|
|||
#if 1 /* debugging to catch non updates */
|
|||
*ainstr = 0xDEADC0DE; |
|||
#endif
|
|||
|
|||
switch ((tinstr & 0xF800) >> 11) { |
|||
case 0: /* LSL */ |
|||
case 1: /* LSR */ |
|||
case 2: /* ASR */ |
|||
/* Format 1 */ |
|||
*ainstr = 0xE1B00000 /* base opcode */ |
|||
| ((tinstr & 0x1800) >> (11 - 5)) /* shift type */ |
|||
|((tinstr & 0x07C0) << (7 - 6)) /* imm5 */ |
|||
|((tinstr & 0x0038) >> 3) /* Rs */ |
|||
|((tinstr & 0x0007) << 12); /* Rd */ |
|||
break; |
|||
case 3: /* ADD/SUB */ |
|||
/* Format 2 */ |
|||
{ |
|||
ARMword subset[4] = { |
|||
0xE0900000, /* ADDS Rd,Rs,Rn */ |
|||
0xE0500000, /* SUBS Rd,Rs,Rn */ |
|||
0xE2900000, /* ADDS Rd,Rs,#imm3 */ |
|||
0xE2500000 /* SUBS Rd,Rs,#imm3 */ |
|||
}; |
|||
/* It is quicker indexing into a table, than performing switch
|
|||
or conditionals: */ |
|||
*ainstr = subset[(tinstr & 0x0600) >> 9] /* base opcode */ |
|||
|((tinstr & 0x01C0) >> 6) /* Rn or imm3 */ |
|||
|((tinstr & 0x0038) << (16 - 3)) /* Rs */ |
|||
|((tinstr & 0x0007) << (12 - 0)); /* Rd */ |
|||
} |
|||
break; |
|||
case 4: /* MOV */ |
|||
case 5: /* CMP */ |
|||
case 6: /* ADD */ |
|||
case 7: /* SUB */ |
|||
/* Format 3 */ |
|||
{ |
|||
ARMword subset[4] = { |
|||
0xE3B00000, /* MOVS Rd,#imm8 */ |
|||
0xE3500000, /* CMP Rd,#imm8 */ |
|||
0xE2900000, /* ADDS Rd,Rd,#imm8 */ |
|||
0xE2500000, /* SUBS Rd,Rd,#imm8 */ |
|||
}; |
|||
*ainstr = subset[(tinstr & 0x1800) >> 11] /* base opcode */ |
|||
|((tinstr & 0x00FF) >> 0) /* imm8 */ |
|||
|((tinstr & 0x0700) << (16 - 8)) /* Rn */ |
|||
|((tinstr & 0x0700) << (12 - 8)); /* Rd */ |
|||
} |
|||
break; |
|||
case 8: /* Arithmetic and high register transfers */ |
|||
/* TODO: Since the subsets for both Format 4 and Format 5
|
|||
instructions are made up of different ARM encodings, we could |
|||
save the following conditional, and just have one large |
|||
subset. */ |
|||
if ((tinstr & (1 << 10)) == 0) { |
|||
typedef enum |
|||
{ t_norm, t_shift, t_neg, t_mul }otype_t; |
|||
|
|||
/* Format 4 */ |
|||
struct |
|||
{ |
|||
ARMword opcode; |
|||
otype_t otype; |
|||
} |
|||
subset[16] = { |
|||
{ |
|||
0xE0100000, t_norm}, /* ANDS Rd,Rd,Rs */ |
|||
{ |
|||
0xE0300000, t_norm}, /* EORS Rd,Rd,Rs */ |
|||
{ |
|||
0xE1B00010, t_shift}, /* MOVS Rd,Rd,LSL Rs */ |
|||
{ |
|||
0xE1B00030, t_shift}, /* MOVS Rd,Rd,LSR Rs */ |
|||
{ |
|||
0xE1B00050, t_shift}, /* MOVS Rd,Rd,ASR Rs */ |
|||
{ |
|||
0xE0B00000, t_norm}, /* ADCS Rd,Rd,Rs */ |
|||
{ |
|||
0xE0D00000, t_norm}, /* SBCS Rd,Rd,Rs */ |
|||
{ |
|||
0xE1B00070, t_shift}, /* MOVS Rd,Rd,ROR Rs */ |
|||
{ |
|||
0xE1100000, t_norm}, /* TST Rd,Rs */ |
|||
{ |
|||
0xE2700000, t_neg}, /* RSBS Rd,Rs,#0 */ |
|||
{ |
|||
0xE1500000, t_norm}, /* CMP Rd,Rs */ |
|||
{ |
|||
0xE1700000, t_norm}, /* CMN Rd,Rs */ |
|||
{ |
|||
0xE1900000, t_norm}, /* ORRS Rd,Rd,Rs */ |
|||
{ |
|||
0xE0100090, t_mul}, /* MULS Rd,Rd,Rs */ |
|||
{ |
|||
0xE1D00000, t_norm}, /* BICS Rd,Rd,Rs */ |
|||
{ |
|||
0xE1F00000, t_norm} /* MVNS Rd,Rs */ |
|||
}; |
|||
*ainstr = subset[(tinstr & 0x03C0) >> 6].opcode; /* base */ |
|||
switch (subset[(tinstr & 0x03C0) >> 6].otype) { |
|||
case t_norm: |
|||
*ainstr |= ((tinstr & 0x0007) << 16) /* Rn */ |
|||
|((tinstr & 0x0007) << 12) /* Rd */ |
|||
|((tinstr & 0x0038) >> 3); /* Rs */ |
|||
break; |
|||
case t_shift: |
|||
*ainstr |= ((tinstr & 0x0007) << 12) /* Rd */ |
|||
|((tinstr & 0x0007) >> 0) /* Rm */ |
|||
|((tinstr & 0x0038) << (8 - 3)); /* Rs */ |
|||
break; |
|||
case t_neg: |
|||
*ainstr |= ((tinstr & 0x0007) << 12) /* Rd */ |
|||
|((tinstr & 0x0038) << (16 - 3)); /* Rn */ |
|||
break; |
|||
case t_mul: |
|||
*ainstr |= ((tinstr & 0x0007) << 16) /* Rd */ |
|||
|((tinstr & 0x0007) << 8) /* Rs */ |
|||
|((tinstr & 0x0038) >> 3); /* Rm */ |
|||
break; |
|||
} |
|||
} |
|||
else { |
|||
/* Format 5 */ |
|||
ARMword Rd = ((tinstr & 0x0007) >> 0); |
|||
ARMword Rs = ((tinstr & 0x0038) >> 3); |
|||
if (tinstr & (1 << 7)) |
|||
Rd += 8; |
|||
if (tinstr & (1 << 6)) |
|||
Rs += 8; |
|||
switch ((tinstr & 0x03C0) >> 6) { |
|||
case 0x1: /* ADD Rd,Rd,Hs */ |
|||
case 0x2: /* ADD Hd,Hd,Rs */ |
|||
case 0x3: /* ADD Hd,Hd,Hs */ |
|||
*ainstr = 0xE0800000 /* base */ |
|||
| (Rd << 16) /* Rn */ |
|||
|(Rd << 12) /* Rd */ |
|||
|(Rs << 0); /* Rm */ |
|||
break; |
|||
case 0x5: /* CMP Rd,Hs */ |
|||
case 0x6: /* CMP Hd,Rs */ |
|||
case 0x7: /* CMP Hd,Hs */ |
|||
*ainstr = 0xE1500000 /* base */ |
|||
| (Rd << 16) /* Rn */ |
|||
|(Rd << 12) /* Rd */ |
|||
|(Rs << 0); /* Rm */ |
|||
break; |
|||
case 0x9: /* MOV Rd,Hs */ |
|||
case 0xA: /* MOV Hd,Rs */ |
|||
case 0xB: /* MOV Hd,Hs */ |
|||
*ainstr = 0xE1A00000 /* base */ |
|||
| (Rd << 16) /* Rn */ |
|||
|(Rd << 12) /* Rd */ |
|||
|(Rs << 0); /* Rm */ |
|||
break; |
|||
case 0xC: /* BX Rs */ |
|||
case 0xD: /* BX Hs */ |
|||
*ainstr = 0xE12FFF10 /* base */ |
|||
| ((tinstr & 0x0078) >> 3); /* Rd */ |
|||
break; |
|||
case 0x0: /* UNDEFINED */ |
|||
case 0x4: /* UNDEFINED */ |
|||
case 0x8: /* UNDEFINED */ |
|||
valid = t_undefined; |
|||
break; |
|||
case 0xE: /* BLX */ |
|||
case 0xF: /* BLX */ |
|||
|
|||
//if (state->is_v5) {
|
|||
if(1){ |
|||
//valid = t_branch;
|
|||
#if 1
|
|||
*ainstr = 0xE1200030 /* base */ |
|||
|(Rs << 0); /* Rm */ |
|||
#endif
|
|||
} else { |
|||
valid = t_undefined; |
|||
} |
|||
break; |
|||
} |
|||
} |
|||
break; |
|||
case 9: /* LDR Rd,[PC,#imm8] */ |
|||
/* Format 6 */ |
|||
*ainstr = 0xE59F0000 /* base */ |
|||
| ((tinstr & 0x0700) << (12 - 8)) /* Rd */ |
|||
|((tinstr & 0x00FF) << (2 - 0)); /* off8 */ |
|||
break; |
|||
case 10: |
|||
case 11: |
|||
/* TODO: Format 7 and Format 8 perform the same ARM encoding, so
|
|||
the following could be merged into a single subset, saving on |
|||
the following boolean: */ |
|||
if ((tinstr & (1 << 9)) == 0) { |
|||
/* Format 7 */ |
|||
ARMword subset[4] = { |
|||
0xE7800000, /* STR Rd,[Rb,Ro] */ |
|||
0xE7C00000, /* STRB Rd,[Rb,Ro] */ |
|||
0xE7900000, /* LDR Rd,[Rb,Ro] */ |
|||
0xE7D00000 /* LDRB Rd,[Rb,Ro] */ |
|||
}; |
|||
*ainstr = subset[(tinstr & 0x0C00) >> 10] /* base */ |
|||
|((tinstr & 0x0007) << (12 - 0)) /* Rd */ |
|||
|((tinstr & 0x0038) << (16 - 3)) /* Rb */ |
|||
|((tinstr & 0x01C0) >> 6); /* Ro */ |
|||
} |
|||
else { |
|||
/* Format 8 */ |
|||
ARMword subset[4] = { |
|||
0xE18000B0, /* STRH Rd,[Rb,Ro] */ |
|||
0xE19000D0, /* LDRSB Rd,[Rb,Ro] */ |
|||
0xE19000B0, /* LDRH Rd,[Rb,Ro] */ |
|||
0xE19000F0 /* LDRSH Rd,[Rb,Ro] */ |
|||
}; |
|||
*ainstr = subset[(tinstr & 0x0C00) >> 10] /* base */ |
|||
|((tinstr & 0x0007) << (12 - 0)) /* Rd */ |
|||
|((tinstr & 0x0038) << (16 - 3)) /* Rb */ |
|||
|((tinstr & 0x01C0) >> 6); /* Ro */ |
|||
} |
|||
break; |
|||
case 12: /* STR Rd,[Rb,#imm5] */ |
|||
case 13: /* LDR Rd,[Rb,#imm5] */ |
|||
case 14: /* STRB Rd,[Rb,#imm5] */ |
|||
case 15: /* LDRB Rd,[Rb,#imm5] */ |
|||
/* Format 9 */ |
|||
{ |
|||
ARMword subset[4] = { |
|||
0xE5800000, /* STR Rd,[Rb,#imm5] */ |
|||
0xE5900000, /* LDR Rd,[Rb,#imm5] */ |
|||
0xE5C00000, /* STRB Rd,[Rb,#imm5] */ |
|||
0xE5D00000 /* LDRB Rd,[Rb,#imm5] */ |
|||
}; |
|||
/* The offset range defends on whether we are transferring a
|
|||
byte or word value: */ |
|||
*ainstr = subset[(tinstr & 0x1800) >> 11] /* base */ |
|||
|((tinstr & 0x0007) << (12 - 0)) /* Rd */ |
|||
|((tinstr & 0x0038) << (16 - 3)) /* Rb */ |
|||
|((tinstr & 0x07C0) >> (6 - ((tinstr & (1 << 12)) ? 0 : 2))); /* off5 */ |
|||
} |
|||
break; |
|||
case 16: /* STRH Rd,[Rb,#imm5] */ |
|||
case 17: /* LDRH Rd,[Rb,#imm5] */ |
|||
/* Format 10 */ |
|||
*ainstr = ((tinstr & (1 << 11)) /* base */ |
|||
? 0xE1D000B0 /* LDRH */ |
|||
: 0xE1C000B0) /* STRH */ |
|||
|((tinstr & 0x0007) << (12 - 0)) /* Rd */ |
|||
|((tinstr & 0x0038) << (16 - 3)) /* Rb */ |
|||
|((tinstr & 0x01C0) >> (6 - 1)) /* off5, low nibble */ |
|||
|((tinstr & 0x0600) >> (9 - 8)); /* off5, high nibble */ |
|||
break; |
|||
case 18: /* STR Rd,[SP,#imm8] */ |
|||
case 19: /* LDR Rd,[SP,#imm8] */ |
|||
/* Format 11 */ |
|||
*ainstr = ((tinstr & (1 << 11)) /* base */ |
|||
? 0xE59D0000 /* LDR */ |
|||
: 0xE58D0000) /* STR */ |
|||
|((tinstr & 0x0700) << (12 - 8)) /* Rd */ |
|||
|((tinstr & 0x00FF) << 2); /* off8 */ |
|||
break; |
|||
case 20: /* ADD Rd,PC,#imm8 */ |
|||
case 21: /* ADD Rd,SP,#imm8 */ |
|||
/* Format 12 */ |
|||
if ((tinstr & (1 << 11)) == 0) { |
|||
/* NOTE: The PC value used here should by word aligned */ |
|||
/* We encode shift-left-by-2 in the rotate immediate field,
|
|||
so no shift of off8 is needed. */ |
|||
*ainstr = 0xE28F0F00 /* base */ |
|||
| ((tinstr & 0x0700) << (12 - 8)) /* Rd */ |
|||
|(tinstr & 0x00FF); /* off8 */ |
|||
} |
|||
else { |
|||
/* We encode shift-left-by-2 in the rotate immediate field,
|
|||
so no shift of off8 is needed. */ |
|||
*ainstr = 0xE28D0F00 /* base */ |
|||
| ((tinstr & 0x0700) << (12 - 8)) /* Rd */ |
|||
|(tinstr & 0x00FF); /* off8 */ |
|||
} |
|||
break; |
|||
case 22: |
|||
case 23: |
|||
if ((tinstr & 0x0F00) == 0x0000) { |
|||
/* Format 13 */ |
|||
/* NOTE: The instruction contains a shift left of 2
|
|||
equivalent (implemented as ROR #30): */ |
|||
*ainstr = ((tinstr & (1 << 7)) /* base */ |
|||
? 0xE24DDF00 /* SUB */ |
|||
: 0xE28DDF00) /* ADD */ |
|||
|(tinstr & 0x007F); /* off7 */ |
|||
} |
|||
else if ((tinstr & 0x0F00) == 0x0e00) |
|||
*ainstr = 0xEF000000 | SWI_Breakpoint; |
|||
else { |
|||
/* Format 14 */ |
|||
ARMword subset[4] = { |
|||
0xE92D0000, /* STMDB sp!,{rlist} */ |
|||
0xE92D4000, /* STMDB sp!,{rlist,lr} */ |
|||
0xE8BD0000, /* LDMIA sp!,{rlist} */ |
|||
0xE8BD8000 /* LDMIA sp!,{rlist,pc} */ |
|||
}; |
|||
*ainstr = subset[((tinstr & (1 << 11)) >> 10) | ((tinstr & (1 << 8)) >> 8)] /* base */ |
|||
|(tinstr & 0x00FF); /* mask8 */ |
|||
} |
|||
break; |
|||
case 24: /* STMIA */ |
|||
case 25: /* LDMIA */ |
|||
/* Format 15 */ |
|||
*ainstr = ((tinstr & (1 << 11)) /* base */ |
|||
? 0xE8B00000 /* LDMIA */ |
|||
: 0xE8A00000) /* STMIA */ |
|||
|((tinstr & 0x0700) << (16 - 8)) /* Rb */ |
|||
|(tinstr & 0x00FF); /* mask8 */ |
|||
break; |
|||
case 26: /* Bcc */ |
|||
case 27: /* Bcc/SWI */ |
|||
if ((tinstr & 0x0F00) == 0x0F00) { |
|||
#if 0
|
|||
if (tinstr == (ARMul_ABORTWORD & 0xffff) && |
|||
state->AbortAddr == pc) { |
|||
*ainstr = ARMul_ABORTWORD; |
|||
break; |
|||
} |
|||
#endif
|
|||
/* Format 17 : SWI */ |
|||
*ainstr = 0xEF000000; |
|||
/* Breakpoint must be handled specially. */ |
|||
if ((tinstr & 0x00FF) == 0x18) |
|||
*ainstr |= ((tinstr & 0x00FF) << 16); |
|||
/* New breakpoint value. See gdb/arm-tdep.c */ |
|||
else if ((tinstr & 0x00FF) == 0xFE) |
|||
*ainstr |= SWI_Breakpoint; |
|||
else |
|||
*ainstr |= (tinstr & 0x00FF); |
|||
} |
|||
else if ((tinstr & 0x0F00) != 0x0E00) { |
|||
/* Format 16 */ |
|||
#if 0
|
|||
int doit = FALSE; |
|||
/* TODO: Since we are doing a switch here, we could just add
|
|||
the SWI and undefined instruction checks into this |
|||
switch to same on a couple of conditionals: */ |
|||
switch ((tinstr & 0x0F00) >> 8) { |
|||
case EQ: |
|||
doit = ZFLAG; |
|||
break; |
|||
case NE: |
|||
doit = !ZFLAG; |
|||
break; |
|||
case VS: |
|||
doit = VFLAG; |
|||
break; |
|||
case VC: |
|||
doit = !VFLAG; |
|||
break; |
|||
case MI: |
|||
doit = NFLAG; |
|||
break; |
|||
case PL: |
|||
doit = !NFLAG; |
|||
break; |
|||
case CS: |
|||
doit = CFLAG; |
|||
break; |
|||
case CC: |
|||
doit = !CFLAG; |
|||
break; |
|||
case HI: |
|||
doit = (CFLAG && !ZFLAG); |
|||
break; |
|||
case LS: |
|||
doit = (!CFLAG || ZFLAG); |
|||
break; |
|||
case GE: |
|||
doit = ((!NFLAG && !VFLAG) |
|||
|| (NFLAG && VFLAG)); |
|||
break; |
|||
case LT: |
|||
doit = ((NFLAG && !VFLAG) |
|||
|| (!NFLAG && VFLAG)); |
|||
break; |
|||
case GT: |
|||
doit = ((!NFLAG && !VFLAG && !ZFLAG) |
|||
|| (NFLAG && VFLAG && !ZFLAG)); |
|||
break; |
|||
case LE: |
|||
doit = ((NFLAG && !VFLAG) |
|||
|| (!NFLAG && VFLAG)) || ZFLAG; |
|||
break; |
|||
} |
|||
if (doit) { |
|||
state->Reg[15] = (pc + 4 |
|||
+ (((tinstr & 0x7F) << 1) |
|||
| ((tinstr & (1 << 7)) ? |
|||
0xFFFFFF00 : 0))); |
|||
FLUSHPIPE; |
|||
} |
|||
#endif
|
|||
valid = t_branch; |
|||
} |
|||
else /* UNDEFINED : cc=1110(AL) uses different format */ |
|||
valid = t_undefined; |
|||
break; |
|||
case 28: /* B */ |
|||
/* Format 18 */ |
|||
#if 0
|
|||
state->Reg[15] = (pc + 4 + (((tinstr & 0x3FF) << 1) |
|||
| ((tinstr & (1 << 10)) ? |
|||
0xFFFFF800 : 0))); |
|||
#endif
|
|||
//FLUSHPIPE;
|
|||
valid = t_branch; |
|||
break; |
|||
case 29: |
|||
if(tinstr & 0x1) |
|||
valid = t_undefined; |
|||
else{ |
|||
/* BLX 1 for armv5t and above */ |
|||
//printf("In %s, After BLX(1),LR=0x%x,PC=0x%x, offset=0x%x\n", __FUNCTION__, state->Reg[14], state->Reg[15], (tinstr &0x7FF) << 1);
|
|||
valid = t_branch; |
|||
} |
|||
break; |
|||
case 30: /* BL instruction 1 */ |
|||
/* Format 19 */ |
|||
/* There is no single ARM instruction equivalent for this Thumb
|
|||
instruction. To keep the simulation simple (from the user |
|||
perspective) we check if the following instruction is the |
|||
second half of this BL, and if it is we simulate it |
|||
immediately. */ |
|||
valid = t_branch; |
|||
break; |
|||
case 31: /* BL instruction 2 */ |
|||
/* Format 19 */ |
|||
/* There is no single ARM instruction equivalent for this
|
|||
instruction. Also, it should only ever be matched with the |
|||
fmt19 "BL instruction 1" instruction. However, we do allow |
|||
the simulation of it on its own, with undefined results if |
|||
r14 is not suitably initialised. */ |
|||
{ |
|||
#if 0
|
|||
ARMword tmp = (pc + 2); |
|||
state->Reg[15] = |
|||
(state->Reg[14] + ((tinstr & 0x07FF) << 1)); |
|||
state->Reg[14] = (tmp | 1); |
|||
#endif
|
|||
valid = t_branch; |
|||
} |
|||
break; |
|||
} |
|||
*inst_size = 2; |
|||
return valid; |
|||
} |
|||
@ -0,0 +1,51 @@ |
|||
/* Copyright (C) |
|||
* 2011 - Michael.Kang blackfin.kang@gmail.com |
|||
* This program is free software; you can redistribute it and/or |
|||
* modify it under the terms of the GNU General Public License |
|||
* as published by the Free Software Foundation; either version 2 |
|||
* of the License, or (at your option) any later version. |
|||
* |
|||
* This program is distributed in the hope that it will be useful, |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
* GNU General Public License for more details. |
|||
* |
|||
* You should have received a copy of the GNU General Public License |
|||
* along with this program; if not, write to the Free Software |
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|||
* |
|||
*/ |
|||
|
|||
/** |
|||
* @file arm_dyncom_thumb.h |
|||
* @brief The thumb dyncom |
|||
* @author Michael.Kang blackfin.kang@gmail.com |
|||
* @version 78.77 |
|||
* @date 2011-11-07 |
|||
*/ |
|||
|
|||
#ifndef __ARM_DYNCOM_THUMB_H__ |
|||
#define __ARM_DYNCOM_THUMB_H__ |
|||
|
|||
#include "core/arm/skyeye_common/armdefs.h" |
|||
#include "core/arm/skyeye_common/skyeye_types.h" |
|||
|
|||
enum tdstate { |
|||
t_undefined, // Undefined Thumb instruction |
|||
t_decoded, // Instruction decoded to ARM equivalent |
|||
t_branch, // Thumb branch (already processed) |
|||
t_uninitialized, |
|||
}; |
|||
|
|||
tdstate |
|||
thumb_translate(addr_t addr, uint32_t instr, uint32_t* ainstr, uint32_t* inst_size); |
|||
static inline uint32 get_thumb_instr(uint32 instr, addr_t pc){ |
|||
uint32 tinstr; |
|||
if ((pc & 0x3) != 0) |
|||
tinstr = instr >> 16; |
|||
else |
|||
tinstr = instr & 0xFFFF; |
|||
return tinstr; |
|||
} |
|||
|
|||
#endif |
|||
1007
src/core/arm/interpreter/armcopro.cpp
File diff suppressed because it is too large
View File
File diff suppressed because it is too large
View File
@ -1,238 +0,0 @@ |
|||
/*
|
|||
armmmu.c - Memory Management Unit emulation. |
|||
ARMulator extensions for the ARM7100 family. |
|||
Copyright (C) 1999 Ben Williamson |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|||
*/ |
|||
|
|||
#include <assert.h>
|
|||
#include <string.h>
|
|||
#include "armdefs.h"
|
|||
/* two header for arm disassemble */ |
|||
//#include "skyeye_arch.h"
|
|||
#include "armcpu.h"
|
|||
|
|||
|
|||
extern mmu_ops_t xscale_mmu_ops; |
|||
exception_t arm_mmu_write(short size, u32 addr, uint32_t *value); |
|||
exception_t arm_mmu_read(short size, u32 addr, uint32_t *value); |
|||
#define MMU_OPS (state->mmu.ops)
|
|||
ARMword skyeye_cachetype = -1; |
|||
|
|||
int |
|||
mmu_init (ARMul_State * state) |
|||
{ |
|||
int ret; |
|||
|
|||
state->mmu.control = 0x70; |
|||
state->mmu.translation_table_base = 0xDEADC0DE; |
|||
state->mmu.domain_access_control = 0xDEADC0DE; |
|||
state->mmu.fault_status = 0; |
|||
state->mmu.fault_address = 0; |
|||
state->mmu.process_id = 0; |
|||
|
|||
switch (state->cpu->cpu_val & state->cpu->cpu_mask) { |
|||
//case SA1100:
|
|||
//case SA1110:
|
|||
// NOTICE_LOG(ARM11, "SKYEYE: use sa11xx mmu ops\n");
|
|||
// state->mmu.ops = sa_mmu_ops;
|
|||
// break;
|
|||
//case PXA250:
|
|||
//case PXA270: //xscale
|
|||
// NOTICE_LOG(ARM11, "SKYEYE: use xscale mmu ops\n");
|
|||
// state->mmu.ops = xscale_mmu_ops;
|
|||
// break;
|
|||
//case 0x41807200: //arm720t
|
|||
//case 0x41007700: //arm7tdmi
|
|||
//case 0x41007100: //arm7100
|
|||
// NOTICE_LOG(ARM11, "SKYEYE: use arm7100 mmu ops\n");
|
|||
// state->mmu.ops = arm7100_mmu_ops;
|
|||
// break;
|
|||
//case 0x41009200:
|
|||
// NOTICE_LOG(ARM11, "SKYEYE: use arm920t mmu ops\n");
|
|||
// state->mmu.ops = arm920t_mmu_ops;
|
|||
// break;
|
|||
//case 0x41069260:
|
|||
// NOTICE_LOG(ARM11, "SKYEYE: use arm926ejs mmu ops\n");
|
|||
// state->mmu.ops = arm926ejs_mmu_ops;
|
|||
// break;
|
|||
/* case 0x560f5810: */ |
|||
case 0x0007b000: |
|||
NOTICE_LOG(ARM11, "SKYEYE: use arm11jzf-s mmu ops\n"); |
|||
state->mmu.ops = arm1176jzf_s_mmu_ops; |
|||
break; |
|||
|
|||
default: |
|||
ERROR_LOG (ARM11, |
|||
"SKYEYE: armmmu.c : mmu_init: unknown cpu_val&cpu_mask 0x%x\n", |
|||
state->cpu->cpu_val & state->cpu->cpu_mask); |
|||
break; |
|||
|
|||
}; |
|||
ret = state->mmu.ops.init (state); |
|||
state->mmu_inited = (ret == 0); |
|||
/* initialize mmu_read and mmu_write for disassemble */ |
|||
//skyeye_config_t *config = get_current_config();
|
|||
//generic_arch_t *arch_instance = get_arch_instance(config->arch->arch_name);
|
|||
//arch_instance->mmu_read = arm_mmu_read;
|
|||
//arch_instance->mmu_write = arm_mmu_write;
|
|||
|
|||
return ret; |
|||
} |
|||
|
|||
int |
|||
mmu_reset (ARMul_State * state) |
|||
{ |
|||
if (state->mmu_inited) |
|||
mmu_exit (state); |
|||
return mmu_init (state); |
|||
} |
|||
|
|||
void |
|||
mmu_exit (ARMul_State * state) |
|||
{ |
|||
MMU_OPS.exit (state); |
|||
state->mmu_inited = 0; |
|||
} |
|||
|
|||
fault_t |
|||
mmu_read_byte (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
return MMU_OPS.read_byte (state, virt_addr, data); |
|||
}; |
|||
|
|||
fault_t |
|||
mmu_read_halfword (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
return MMU_OPS.read_halfword (state, virt_addr, data); |
|||
}; |
|||
|
|||
fault_t |
|||
mmu_read_word (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
return MMU_OPS.read_word (state, virt_addr, data); |
|||
}; |
|||
|
|||
fault_t |
|||
mmu_write_byte (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
fault_t fault; |
|||
//static int count = 0;
|
|||
//count ++;
|
|||
fault = MMU_OPS.write_byte (state, virt_addr, data); |
|||
return fault; |
|||
} |
|||
|
|||
fault_t |
|||
mmu_write_halfword (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
fault_t fault; |
|||
//static int count = 0;
|
|||
//count ++;
|
|||
fault = MMU_OPS.write_halfword (state, virt_addr, data); |
|||
return fault; |
|||
} |
|||
|
|||
fault_t |
|||
mmu_write_word (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
fault_t fault; |
|||
fault = MMU_OPS.write_word (state, virt_addr, data); |
|||
|
|||
/*used for debug for MMU*
|
|||
|
|||
if (!fault){ |
|||
ARMword tmp; |
|||
|
|||
if (mmu_read_word(state, virt_addr, &tmp)){ |
|||
err_msg("load back\n"); |
|||
exit(-1); |
|||
}else{ |
|||
if (tmp != data){ |
|||
err_msg("load back not equal %d %x\n", count, virt_addr); |
|||
} |
|||
} |
|||
} |
|||
*/ |
|||
|
|||
return fault; |
|||
}; |
|||
|
|||
fault_t |
|||
mmu_load_instr (ARMul_State * state, ARMword virt_addr, ARMword * instr) |
|||
{ |
|||
return MMU_OPS.load_instr (state, virt_addr, instr); |
|||
} |
|||
|
|||
ARMword |
|||
mmu_mrc (ARMul_State * state, ARMword instr, ARMword * value) |
|||
{ |
|||
return MMU_OPS.mrc (state, instr, value); |
|||
} |
|||
|
|||
void |
|||
mmu_mcr (ARMul_State * state, ARMword instr, ARMword value) |
|||
{ |
|||
MMU_OPS.mcr (state, instr, value); |
|||
} |
|||
|
|||
/*ywc 20050416*/ |
|||
int |
|||
mmu_v2p_dbct (ARMul_State * state, ARMword virt_addr, ARMword * phys_addr) |
|||
{ |
|||
return (MMU_OPS.v2p_dbct (state, virt_addr, phys_addr)); |
|||
} |
|||
|
|||
//
|
|||
//
|
|||
///* dis_mmu_read for disassemble */
|
|||
//exception_t arm_mmu_read(short size, uint32_t addr, uint32_t * value)
|
|||
//{
|
|||
// ARMul_State *state;
|
|||
// ARM_CPU_State *cpu = get_current_cpu();
|
|||
// state = &cpu->core[0];
|
|||
// switch(size){
|
|||
// case 8:
|
|||
// MMU_OPS.read_byte (state, addr, value);
|
|||
// break;
|
|||
// case 16:
|
|||
// case 32:
|
|||
// break;
|
|||
// default:
|
|||
// ERROR_LOG(ARM11, "Error size %d", size);
|
|||
// break;
|
|||
// }
|
|||
// return No_exp;
|
|||
//}
|
|||
///* dis_mmu_write for disassemble */
|
|||
//exception_t arm_mmu_write(short size, uint32_t addr, uint32_t *value)
|
|||
//{
|
|||
// ARMul_State *state;
|
|||
// ARM_CPU_State *cpu = get_current_cpu();
|
|||
// state = &cpu->core[0];
|
|||
// switch(size){
|
|||
// case 8:
|
|||
// MMU_OPS.write_byte (state, addr, value);
|
|||
// break;
|
|||
// case 16:
|
|||
// case 32:
|
|||
// break;
|
|||
// default:
|
|||
// printf("In %s error size %d Line %d\n", __func__, size, __LINE__);
|
|||
// break;
|
|||
// }
|
|||
// return No_exp;
|
|||
//}
|
|||
@ -1,742 +0,0 @@ |
|||
/* armos.c -- ARMulator OS interface: ARM6 Instruction Emulator.
|
|||
Copyright (C) 1994 Advanced RISC Machines Ltd. |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
|||
|
|||
/* This file contains a model of Demon, ARM Ltd's Debug Monitor,
|
|||
including all the SWI's required to support the C library. The code in |
|||
it is not really for the faint-hearted (especially the abort handling |
|||
code), but it is a complete example. Defining NOOS will disable all the |
|||
fun, and definign VAILDATE will define SWI 1 to enter SVC mode, and SWI |
|||
0x11 to halt the emulator. */ |
|||
|
|||
//chy 2005-09-12 disable below line
|
|||
//#include "config.h"
|
|||
|
|||
#include <time.h>
|
|||
#include <errno.h>
|
|||
#include <string.h>
|
|||
#include "skyeye_defs.h"
|
|||
#ifndef __USE_LARGEFILE64
|
|||
#define __USE_LARGEFILE64 /* When use 64 bit large file need define it! for stat64*/
|
|||
#endif
|
|||
#include <fcntl.h>
|
|||
#include <sys/stat.h>
|
|||
|
|||
|
|||
#ifndef O_RDONLY
|
|||
#define O_RDONLY 0
|
|||
#endif
|
|||
#ifndef O_WRONLY
|
|||
#define O_WRONLY 1
|
|||
#endif
|
|||
#ifndef O_RDWR
|
|||
#define O_RDWR 2
|
|||
#endif
|
|||
#ifndef O_BINARY
|
|||
#define O_BINARY 0
|
|||
#endif
|
|||
|
|||
#ifdef __STDC__
|
|||
#define unlink(s) remove(s)
|
|||
#endif
|
|||
|
|||
#ifdef HAVE_UNISTD_H
|
|||
#include <unistd.h> /* For SEEK_SET etc */
|
|||
#endif
|
|||
|
|||
#ifdef __riscos
|
|||
extern int _fisatty (FILE *); |
|||
#define isatty_(f) _fisatty(f)
|
|||
#else
|
|||
#ifdef __ZTC__
|
|||
#include <io.h>
|
|||
#define isatty_(f) isatty((f)->_file)
|
|||
#else
|
|||
#ifdef macintosh
|
|||
#include <ioctl.h>
|
|||
#define isatty_(f) (~ioctl ((f)->_file, FIOINTERACTIVE, NULL))
|
|||
#else
|
|||
#define isatty_(f) isatty (fileno (f))
|
|||
#endif
|
|||
#endif
|
|||
#endif
|
|||
|
|||
#include "armdefs.h"
|
|||
#include "armos.h"
|
|||
#include "armemu.h"
|
|||
|
|||
#ifndef NOOS
|
|||
#ifndef VALIDATE
|
|||
/* #ifndef ASIM */ |
|||
//chy 2005-09-12 disable below line
|
|||
//#include "armfpe.h"
|
|||
/* #endif */ |
|||
#endif
|
|||
#endif
|
|||
|
|||
#define DUMP_SYSCALL 0
|
|||
#define dump(...) do { if (DUMP_SYSCALL) printf(__VA_ARGS__); } while(0)
|
|||
//#define debug(...) printf(__VA_ARGS__);
|
|||
#define debug(...) ;
|
|||
|
|||
extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number); |
|||
|
|||
#ifndef FOPEN_MAX
|
|||
#define FOPEN_MAX 64
|
|||
#endif
|
|||
|
|||
/***************************************************************************\
|
|||
* OS private Information * |
|||
\***************************************************************************/ |
|||
|
|||
unsigned arm_dyncom_SWI(ARMul_State * state, ARMword number) |
|||
{ |
|||
return ARMul_OSHandleSWI(state, number); |
|||
} |
|||
|
|||
//mmap_area_t *mmap_global = NULL;
|
|||
|
|||
static int translate_open_mode[] = { |
|||
O_RDONLY, /* "r" */ |
|||
O_RDONLY + O_BINARY, /* "rb" */ |
|||
O_RDWR, /* "r+" */ |
|||
O_RDWR + O_BINARY, /* "r+b" */ |
|||
O_WRONLY + O_CREAT + O_TRUNC, /* "w" */ |
|||
O_WRONLY + O_BINARY + O_CREAT + O_TRUNC, /* "wb" */ |
|||
O_RDWR + O_CREAT + O_TRUNC, /* "w+" */ |
|||
O_RDWR + O_BINARY + O_CREAT + O_TRUNC, /* "w+b" */ |
|||
O_WRONLY + O_APPEND + O_CREAT, /* "a" */ |
|||
O_WRONLY + O_BINARY + O_APPEND + O_CREAT, /* "ab" */ |
|||
O_RDWR + O_APPEND + O_CREAT, /* "a+" */ |
|||
O_RDWR + O_BINARY + O_APPEND + O_CREAT /* "a+b" */ |
|||
}; |
|||
//
|
|||
//static void
|
|||
//SWIWrite0 (ARMul_State * state, ARMword addr)
|
|||
//{
|
|||
// ARMword temp;
|
|||
//
|
|||
// //while ((temp = ARMul_ReadByte (state, addr++)) != 0)
|
|||
// while(1){
|
|||
// mem_read(8, addr++, &temp);
|
|||
// if(temp != 0)
|
|||
// (void) fputc ((char) temp, stdout);
|
|||
// else
|
|||
// break;
|
|||
// }
|
|||
//}
|
|||
//
|
|||
//static void
|
|||
//WriteCommandLineTo (ARMul_State * state, ARMword addr)
|
|||
//{
|
|||
// ARMword temp;
|
|||
// char *cptr = state->CommandLine;
|
|||
// if (cptr == NULL)
|
|||
// cptr = "\0";
|
|||
// do {
|
|||
// temp = (ARMword) * cptr++;
|
|||
// //ARMul_WriteByte (state, addr++, temp);
|
|||
// mem_write(8, addr++, temp);
|
|||
// }
|
|||
// while (temp != 0);
|
|||
//}
|
|||
//
|
|||
//static void
|
|||
//SWIopen (ARMul_State * state, ARMword name, ARMword SWIflags)
|
|||
//{
|
|||
// char dummy[2000];
|
|||
// int flags;
|
|||
// int i;
|
|||
//
|
|||
// for (i = 0; (dummy[i] = ARMul_ReadByte (state, name + i)); i++);
|
|||
// assert(SWIflags< (sizeof(translate_open_mode)/ sizeof(translate_open_mode[0])));
|
|||
// /* Now we need to decode the Demon open mode */
|
|||
// flags = translate_open_mode[SWIflags];
|
|||
// flags = SWIflags;
|
|||
//
|
|||
// /* Filename ":tt" is special: it denotes stdin/out */
|
|||
// if (strcmp (dummy, ":tt") == 0) {
|
|||
// if (flags == O_RDONLY) /* opening tty "r" */
|
|||
// state->Reg[0] = 0; /* stdin */
|
|||
// else
|
|||
// state->Reg[0] = 1; /* stdout */
|
|||
// }
|
|||
// else {
|
|||
// state->Reg[0] = (int) open (dummy, flags, 0666);
|
|||
// }
|
|||
//}
|
|||
//
|
|||
//static void
|
|||
//SWIread (ARMul_State * state, ARMword f, ARMword ptr, ARMword len)
|
|||
//{
|
|||
// int res;
|
|||
// int i;
|
|||
// char *local = (char*) malloc (len);
|
|||
//
|
|||
// if (local == NULL) {
|
|||
// fprintf (stderr,
|
|||
// "sim: Unable to read 0x%ulx bytes - out of memory\n",
|
|||
// len);
|
|||
// return;
|
|||
// }
|
|||
//
|
|||
// res = read (f, local, len);
|
|||
// if (res > 0)
|
|||
// for (i = 0; i < res; i++)
|
|||
// //ARMul_WriteByte (state, ptr + i, local[i]);
|
|||
// mem_write(8, ptr + i, local[i]);
|
|||
// free (local);
|
|||
// //state->Reg[0] = res == -1 ? -1 : len - res;
|
|||
// state->Reg[0] = res;
|
|||
//}
|
|||
//
|
|||
//static void
|
|||
//SWIwrite (ARMul_State * state, ARMword f, ARMword ptr, ARMword len)
|
|||
//{
|
|||
// int res;
|
|||
// ARMword i;
|
|||
// char *local = malloc (len);
|
|||
//
|
|||
// if (local == NULL) {
|
|||
// fprintf (stderr,
|
|||
// "sim: Unable to write 0x%lx bytes - out of memory\n",
|
|||
// (long unsigned int) len);
|
|||
// return;
|
|||
// }
|
|||
//
|
|||
// for (i = 0; i < len; i++){
|
|||
// //local[i] = ARMul_ReadByte (state, ptr + i);
|
|||
// ARMword data;
|
|||
// mem_read(8, ptr + i, &data);
|
|||
// local[i] = data & 0xFF;
|
|||
// }
|
|||
//
|
|||
// res = write (f, local, len);
|
|||
// //state->Reg[0] = res == -1 ? -1 : len - res;
|
|||
// state->Reg[0] = res;
|
|||
// free (local);
|
|||
//}
|
|||
|
|||
//static void
|
|||
//SWIflen (ARMul_State * state, ARMword fh)
|
|||
//{
|
|||
// ARMword addr;
|
|||
//
|
|||
// if (fh == 0 || fh > FOPEN_MAX) {
|
|||
// state->Reg[0] = -1L;
|
|||
// return;
|
|||
// }
|
|||
//
|
|||
// addr = lseek (fh, 0, SEEK_CUR);
|
|||
//
|
|||
// state->Reg[0] = lseek (fh, 0L, SEEK_END);
|
|||
// (void) lseek (fh, addr, SEEK_SET);
|
|||
//
|
|||
//}
|
|||
|
|||
/***************************************************************************\
|
|||
* The emulator calls this routine when a SWI instruction is encuntered. The * |
|||
* parameter passed is the SWI number (lower 24 bits of the instruction). * |
|||
\***************************************************************************/ |
|||
/* ahe-ykl information is retrieved from elf header and the starting value of
|
|||
brk_static is in sky_info_t */ |
|||
|
|||
/* brk static hold the value of brk */ |
|||
static uint32_t brk_static = -1; |
|||
|
|||
unsigned |
|||
ARMul_OSHandleSWI (ARMul_State * state, ARMword number) |
|||
{ |
|||
number &= 0xfffff; |
|||
ARMword addr, temp; |
|||
|
|||
switch (number) { |
|||
// case SWI_Syscall:
|
|||
// if (state->Reg[7] != 0)
|
|||
// return ARMul_OSHandleSWI(state, state->Reg[7]);
|
|||
// else
|
|||
// return FALSE;
|
|||
// case SWI_Read:
|
|||
// SWIread (state, state->Reg[0], state->Reg[1], state->Reg[2]);
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_GetUID32:
|
|||
// state->Reg[0] = getuid();
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_GetGID32:
|
|||
// state->Reg[0] = getgid();
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_GetEUID32:
|
|||
// state->Reg[0] = geteuid();
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_GetEGID32:
|
|||
// state->Reg[0] = getegid();
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Write:
|
|||
// SWIwrite (state, state->Reg[0], state->Reg[1], state->Reg[2]);
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Open:
|
|||
// SWIopen (state, state->Reg[0], state->Reg[1]);
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Close:
|
|||
// state->Reg[0] = close (state->Reg[0]);
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Seek:{
|
|||
// /* We must return non-zero for failure */
|
|||
// state->Reg[0] =
|
|||
// lseek (state->Reg[0], state->Reg[1],
|
|||
// SEEK_SET);
|
|||
// return TRUE;
|
|||
// }
|
|||
//
|
|||
// case SWI_ExitGroup:
|
|||
// case SWI_Exit:
|
|||
// {
|
|||
// struct timeval tv;
|
|||
// //gettimeofday(&tv,NULL);
|
|||
// //printf("In %s, %d sec, %d usec\n", __FUNCTION__, tv.tv_sec, tv.tv_usec);
|
|||
// printf("passed %d sec, %lld usec\n", get_clock_sec(), get_clock_us());
|
|||
//
|
|||
// /* quit here */
|
|||
// run_command("quit");
|
|||
// return TRUE;
|
|||
// }
|
|||
// case SWI_Times:{
|
|||
// uint32_t dest = state->Reg[0];
|
|||
// struct tms now;
|
|||
// struct target_tms32 nowret;
|
|||
//
|
|||
// uint32_t ret = times(&now);
|
|||
//
|
|||
// if (ret == -1){
|
|||
// debug("syscall %s error %d\n", "SWI_Times", ret);
|
|||
// state->Reg[0] = ret;
|
|||
// return FALSE;
|
|||
// }
|
|||
//
|
|||
// nowret.tms_cstime = now.tms_cstime;
|
|||
// nowret.tms_cutime = now.tms_cutime;
|
|||
// nowret.tms_stime = now.tms_stime;
|
|||
// nowret.tms_utime = now.tms_utime;
|
|||
//
|
|||
// uint32_t offset;
|
|||
// for (offset = 0; offset < sizeof(nowret); offset++) {
|
|||
// bus_write(8, dest + offset, *((uint8_t *) &nowret + offset));
|
|||
// }
|
|||
//
|
|||
// state->Reg[0] = ret;
|
|||
// return TRUE;
|
|||
// }
|
|||
//
|
|||
// case SWI_Gettimeofday: {
|
|||
// uint32_t dest1 = state->Reg[0];
|
|||
// uint32_t dest2 = state->Reg[1]; // Unsure of this
|
|||
// struct timeval val;
|
|||
// struct timezone zone;
|
|||
// struct target_timeval32 valret;
|
|||
// struct target_timezone32 zoneret;
|
|||
//
|
|||
// uint32_t ret = gettimeofday(&val, &zone);
|
|||
// valret.tv_sec = val.tv_sec;
|
|||
// valret.tv_usec = val.tv_usec;
|
|||
// zoneret.tz_dsttime = zoneret.tz_dsttime;
|
|||
// zoneret.tz_minuteswest = zoneret.tz_minuteswest;
|
|||
//
|
|||
// if (ret == -1){
|
|||
// debug("syscall %s error %d\n", "SWI_Gettimeofday", ret);
|
|||
// state->Reg[0] = ret;
|
|||
// return FALSE;
|
|||
// }
|
|||
//
|
|||
// uint32_t offset;
|
|||
// if (dest1) {
|
|||
// for (offset = 0; offset < sizeof(valret); offset++) {
|
|||
// bus_write(8, dest1 + offset, *((uint8_t *) &valret + offset));
|
|||
// }
|
|||
// state->Reg[0] = ret;
|
|||
// }
|
|||
// if (dest2) {
|
|||
// for (offset = 0; offset < sizeof(zoneret); offset++) {
|
|||
// bus_write(8, dest2 + offset, *((uint8_t *) &zoneret + offset));
|
|||
// }
|
|||
// state->Reg[0] = ret;
|
|||
// }
|
|||
//
|
|||
// return TRUE;
|
|||
// }
|
|||
// case SWI_Brk:
|
|||
// /* initialize brk value */
|
|||
// /* suppose that brk_static doesn't reach 0xffffffff... */
|
|||
// if (brk_static == -1) {
|
|||
// brk_static = (get_skyeye_pref()->info).brk;
|
|||
// }
|
|||
//
|
|||
// /* FIXME there might be a need to do a mmap */
|
|||
//
|
|||
// if(state->Reg[0]){
|
|||
// if (get_skyeye_exec_info()->mmap_access) {
|
|||
// /* if new brk is greater than current brk, allocate memory */
|
|||
// if (state->Reg[0] > brk_static) {
|
|||
// uint32_t ret = mmap( (void *) brk_static, state->Reg[0] - brk_static,
|
|||
// PROT_WRITE, MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS, -1, 0 );
|
|||
// if (ret != MAP_FAILED)
|
|||
// brk_static = ret;
|
|||
// }
|
|||
// }
|
|||
// brk_static = state->Reg[0];
|
|||
// //state->Reg[0] = 0; /* FIXME return value of brk set to be the address on success */
|
|||
// } else {
|
|||
// state->Reg[0] = brk_static;
|
|||
// }
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Break:
|
|||
// state->Emulate = FALSE;
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Mmap:{
|
|||
// int addr = state->Reg[0];
|
|||
// int len = state->Reg[1];
|
|||
// int prot = state->Reg[2];
|
|||
// int flag = state->Reg[3];
|
|||
// int fd = state->Reg[4];
|
|||
// int offset = state->Reg[5];
|
|||
// mmap_area_t *area = new_mmap_area(addr, len);
|
|||
// state->Reg[0] = area->bank.addr;
|
|||
// //printf("syscall %d mmap(0x%x,%x,0x%x,0x%x,%d,0x%x) = 0x%x\n",\ |
|||
// SWI_Mmap, addr, len, prot, flag, fd, offset, state->Reg[0]);
|
|||
// return TRUE;
|
|||
// }
|
|||
//
|
|||
// case SWI_Munmap:
|
|||
// state->Reg[0] = 0;
|
|||
// return TRUE;
|
|||
//
|
|||
// case SWI_Mmap2:{
|
|||
// int addr = state->Reg[0];
|
|||
// int len = state->Reg[1];
|
|||
// int prot = state->Reg[2];
|
|||
// int flag = state->Reg[3];
|
|||
// int fd = state->Reg[4];
|
|||
// int offset = state->Reg[5] * 4096; /* page offset */
|
|||
// mmap_area_t *area = new_mmap_area(addr, len);
|
|||
// state->Reg[0] = area->bank.addr;
|
|||
//
|
|||
// return TRUE;
|
|||
// }
|
|||
//
|
|||
// case SWI_Breakpoint:
|
|||
// //chy 2005-09-12 change below line
|
|||
// //state->EndCondition = RDIError_BreakpointReached;
|
|||
// //printf ("SKYEYE: in armos.c : should not come here!!!!\n");
|
|||
// state->EndCondition = 0;
|
|||
// /*modified by ksh to support breakpoiont*/
|
|||
// state->Emulate = STOP;
|
|||
// return (TRUE);
|
|||
// case SWI_Uname:
|
|||
// {
|
|||
// struct utsname *uts = (uintptr_t) state->Reg[0]; /* uname should write data in this address */
|
|||
// struct utsname utsbuf;
|
|||
// //printf("Uname size is %x\n", sizeof(utsbuf));
|
|||
// char *buf;
|
|||
// uintptr_t sp ; /* used as a temporary address */
|
|||
//
|
|||
//#define COPY_UTS_STRING(addr) \ |
|||
// buf = addr; \ |
|||
// while(*buf != NULL) { \ |
|||
// bus_write(8, sp, *buf); \ |
|||
// sp++; \ |
|||
// buf++; \ |
|||
// }
|
|||
//#define COPY_UTS(field) /*printf("%s: %s at %p\n", #field, utsbuf.field, uts->field);*/ \ |
|||
// sp = (uintptr_t) uts->field; \ |
|||
// COPY_UTS_STRING((&utsbuf)->field);
|
|||
//
|
|||
// if (uname(&utsbuf) < 0) {
|
|||
// printf("syscall uname: utsname error\n");
|
|||
// state->Reg[0] = -1;
|
|||
// return FALSE;
|
|||
// }
|
|||
//
|
|||
// /* FIXME for now, this is just the host system call
|
|||
// Some data should be missing, as it depends on
|
|||
// the version of utsname */
|
|||
// COPY_UTS(sysname);
|
|||
// COPY_UTS(nodename);
|
|||
// COPY_UTS(release);
|
|||
// COPY_UTS(version);
|
|||
// COPY_UTS(machine);
|
|||
//
|
|||
// state->Reg[0] = 0;
|
|||
// return TRUE;
|
|||
// }
|
|||
// case SWI_Fcntl:
|
|||
// {
|
|||
// uint32_t fd = state->Reg[0];
|
|||
// uint32_t cmd = state->Reg[1];
|
|||
// uint32_t arg = state->Reg[2];
|
|||
// uint32_t ret;
|
|||
//
|
|||
// switch(cmd){
|
|||
// case (F_GETFD):
|
|||
// {
|
|||
// ret = fcntl(fd, cmd, arg);
|
|||
// //printf("syscall fcntl for getfd not implemented, ret %d\n", ret);
|
|||
// state->Reg[0] = ret;
|
|||
// return FALSE;
|
|||
// }
|
|||
// default:
|
|||
// break;
|
|||
// }
|
|||
//
|
|||
// printf("syscall fcntl unimplemented fd %x cmd %x\n", fd, cmd);
|
|||
// state->Reg[0] = -1;
|
|||
// return FALSE;
|
|||
//
|
|||
// }
|
|||
// case SWI_Fstat64:
|
|||
// {
|
|||
// uint32_t dest = state->Reg[1];
|
|||
// uint32_t fd = state->Reg[0];
|
|||
// struct stat64 statbuf;
|
|||
// struct target_stat64 statret;
|
|||
// memset(&statret, 0, sizeof(struct target_stat64));
|
|||
// uint32_t ret = fstat64(fd, &statbuf);
|
|||
//
|
|||
// if (ret == -1){
|
|||
// printf("syscall %s returned error\n", "SWI_Fstat");
|
|||
// state->Reg[0] = ret;
|
|||
// return FALSE;
|
|||
// }
|
|||
//
|
|||
// /* copy statbuf to the process memory space
|
|||
// FIXME can't say if endian has an effect here */
|
|||
// uint32_t offset;
|
|||
// //printf("Fstat system is size %x\n", sizeof(statbuf));
|
|||
// //printf("Fstat target is size %x\n", sizeof(statret));
|
|||
//
|
|||
// /* we copy system structure data stat64 into arm fixed size structure target_stat64 */
|
|||
// statret.st_dev = statbuf.st_dev;
|
|||
// statret.st_ino = statbuf.st_ino;
|
|||
// statret.st_mode = statbuf.st_mode;
|
|||
// statret.st_nlink = statbuf.st_nlink;
|
|||
// statret.st_uid = statbuf.st_uid;
|
|||
// statret.st_gid = statbuf.st_gid;
|
|||
// statret.st_rdev = statbuf.st_rdev;
|
|||
// statret.st_size = statbuf.st_size;
|
|||
// statret.st_blksize = statbuf.st_blksize;
|
|||
// statret.st_blocks = statbuf.st_blocks;
|
|||
// statret.st32_atime = statbuf.st_atime;
|
|||
// statret.st32_mtime = statbuf.st_mtime;
|
|||
// statret.st32_ctime = statbuf.st_ctime;
|
|||
//
|
|||
// for (offset = 0; offset < sizeof(statret); offset++) {
|
|||
// bus_write(8, dest + offset, *((uint8_t *) &statret + offset));
|
|||
// }
|
|||
//
|
|||
// state->Reg[0] = ret;
|
|||
// return TRUE;
|
|||
// }
|
|||
// case SWI_Set_tls:
|
|||
// {
|
|||
// //printf("syscall set_tls unimplemented\n");
|
|||
// state->mmu.thread_uro_id = state->Reg[0];
|
|||
// state->CP15[CP15_THREAD_URO - CP15_BASE] = state->Reg[0];
|
|||
// state->Reg[0] = 0;
|
|||
// return FALSE;
|
|||
// }
|
|||
//#if 0
|
|||
// case SWI_Clock:
|
|||
// /* return number of centi-seconds... */
|
|||
// state->Reg[0] =
|
|||
//#ifdef CLOCKS_PER_SEC
|
|||
// (CLOCKS_PER_SEC >= 100)
|
|||
// ? (ARMword) (clock () / (CLOCKS_PER_SEC / 100))
|
|||
// : (ARMword) ((clock () * 100) / CLOCKS_PER_SEC);
|
|||
//#else
|
|||
// /* presume unix... clock() returns microseconds */
|
|||
// (ARMword) (clock () / 10000);
|
|||
//#endif
|
|||
// return (TRUE);
|
|||
//
|
|||
// case SWI_Time:
|
|||
// state->Reg[0] = (ARMword) time (NULL);
|
|||
// return (TRUE);
|
|||
// case SWI_Flen:
|
|||
// SWIflen (state, state->Reg[0]);
|
|||
// return (TRUE);
|
|||
//
|
|||
//#endif
|
|||
default: |
|||
|
|||
_dbg_assert_msg_(ARM11, false, "ImplementMe: ARMul_OSHandleSWI!"); |
|||
|
|||
return (FALSE); |
|||
} |
|||
} |
|||
//
|
|||
///**
|
|||
// * @brief For mmap syscall.A mmap_area is a memory bank. Get from ppc.
|
|||
// */
|
|||
//static mmap_area_t* new_mmap_area(int sim_addr, int len){
|
|||
// mmap_area_t *area = (mmap_area_t *)malloc(sizeof(mmap_area_t));
|
|||
// if(area == NULL){
|
|||
// printf("error, failed %s\n",__FUNCTION__);
|
|||
// exit(0);
|
|||
// }
|
|||
//#if FAST_MEMORY
|
|||
// if (mmap_next_base == -1)
|
|||
// {
|
|||
// mmap_next_base = get_skyeye_exec_info()->brk;
|
|||
// }
|
|||
//#endif
|
|||
//
|
|||
// memset(area, 0x0, sizeof(mmap_area_t));
|
|||
// area->bank.addr = mmap_next_base;
|
|||
// area->bank.len = len;
|
|||
// area->bank.bank_write = mmap_mem_write;
|
|||
// area->bank.bank_read = mmap_mem_read;
|
|||
// area->bank.type = MEMTYPE_RAM;
|
|||
// area->bank.objname = "mmap";
|
|||
// addr_mapping(&area->bank);
|
|||
//
|
|||
//#if FAST_MEMORY
|
|||
// if (get_skyeye_exec_info()->mmap_access)
|
|||
// {
|
|||
// /* FIXME check proper flags */
|
|||
// /* FIXME we may delete the need of banks up there */
|
|||
// uint32_t ret = mmap(mmap_next_base, len, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
|
|||
// mmap_next_base = ret;
|
|||
// }
|
|||
// area->mmap_addr = (uint8_t*)get_dma_addr(mmap_next_base);
|
|||
//#else
|
|||
// area->mmap_addr = malloc(len);
|
|||
// if(area->mmap_addr == NULL){
|
|||
// printf("error mmap malloc\n");
|
|||
// exit(0);
|
|||
// }
|
|||
// memset(area->mmap_addr, 0x0, len);
|
|||
//#endif
|
|||
//
|
|||
// area->next = NULL;
|
|||
// if(mmap_global){
|
|||
// area->next = mmap_global->next;
|
|||
// mmap_global->next = area;
|
|||
// }else{
|
|||
// mmap_global = area;
|
|||
// }
|
|||
// mmap_next_base = mmap_next_base + len;
|
|||
// return area;
|
|||
//}
|
|||
//
|
|||
//static mmap_area_t *get_mmap_area(int addr){
|
|||
// mmap_area_t *tmp = mmap_global;
|
|||
// while(tmp){
|
|||
// if ((tmp->bank.addr <= addr) && (tmp->bank.addr + tmp->bank.len > addr)){
|
|||
// return tmp;
|
|||
// }
|
|||
// tmp = tmp->next;
|
|||
// }
|
|||
// printf("cannot get mmap area:addr=0x%x\n", addr);
|
|||
// return NULL;
|
|||
//}
|
|||
//
|
|||
///**
|
|||
// * @brief the mmap_area bank write function. Get from ppc.
|
|||
// *
|
|||
// * @param size size to write, 8/16/32
|
|||
// * @param addr address to write
|
|||
// * @param value value to write
|
|||
// *
|
|||
// * @return sucess return 1,otherwise 0.
|
|||
// */
|
|||
//static char mmap_mem_write(short size, int addr, uint32_t value){
|
|||
// mmap_area_t *area_tmp = get_mmap_area(addr);
|
|||
// mem_bank_t *bank_tmp = &area_tmp->bank;
|
|||
// int offset = addr - bank_tmp->addr;
|
|||
// switch(size){
|
|||
// case 8:{
|
|||
// //uint8_t value_endian = value;
|
|||
// uint8_t value_endian = (uint8_t)value;
|
|||
// *(uint8_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
|
|||
// break;
|
|||
// }
|
|||
// case 16:{
|
|||
// //uint16_t value_endian = half_to_BE((uint16_t)value);
|
|||
// uint16_t value_endian = ((uint16_t)value);
|
|||
// *(uint16_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
|
|||
// break;
|
|||
// }
|
|||
// case 32:{
|
|||
// //uint32_t value_endian = word_to_BE((uint32_t)value);
|
|||
// uint32_t value_endian = ((uint32_t)value);
|
|||
// *(uint32_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
|
|||
// break;
|
|||
// }
|
|||
// default:
|
|||
// printf("invalid size %d\n",size);
|
|||
// return 0;
|
|||
// }
|
|||
// return 1;
|
|||
//}
|
|||
//
|
|||
///**
|
|||
// * @brief the mmap_area bank read function. Get from ppc.
|
|||
// *
|
|||
// * @param size size to read, 8/16/32
|
|||
// * @param addr address to read
|
|||
// * @param value value to read
|
|||
// *
|
|||
// * @return sucess return 1,otherwise 0.
|
|||
// */
|
|||
//static char mmap_mem_read(short size, int addr, uint32_t * value){
|
|||
// mmap_area_t *area_tmp = get_mmap_area(addr);
|
|||
// mem_bank_t *bank_tmp = &area_tmp->bank;
|
|||
// int offset = addr - bank_tmp->addr;
|
|||
// switch(size){
|
|||
// case 8:{
|
|||
// //*(uint8_t *)value = *(uint8_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]);
|
|||
// *value = *(uint8_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]);
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint32_t*)value);
|
|||
// break;
|
|||
// }
|
|||
// case 16:{
|
|||
// //*(uint16_t *)value = half_from_BE(*(uint16_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
|
|||
// *value = (*(uint16_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint16_t*)value);
|
|||
// break;
|
|||
// }
|
|||
// case 32:
|
|||
// //*value = (uint32_t)word_from_BE(*(uint32_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
|
|||
// *value = (uint32_t)(*(uint32_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
|
|||
// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint32_t*)value);
|
|||
// break;
|
|||
// default:
|
|||
// printf("invalid size %d\n",size);
|
|||
// return 0;
|
|||
// }
|
|||
// return 1;
|
|||
//}
|
|||
1132
src/core/arm/interpreter/mmu/arm1176jzf_s_mmu.cpp
File diff suppressed because it is too large
View File
File diff suppressed because it is too large
View File
@ -1,37 +0,0 @@ |
|||
/* |
|||
arm1176JZF-S_mmu.h - ARM1176JZF-S Memory Management Unit emulation. |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|||
*/ |
|||
|
|||
#ifndef _ARM1176JZF_S_MMU_H_ |
|||
#define _ARM1176JZF_S_MMU_H_ |
|||
|
|||
#if 0 |
|||
typedef struct arm1176jzf-s_mmu_s |
|||
{ |
|||
tlb_t i_tlb; |
|||
cache_t i_cache; |
|||
|
|||
tlb_t d_tlb; |
|||
cache_t d_cache; |
|||
wb_t wb_t; |
|||
} arm1176jzf-s_mmu_t; |
|||
#endif |
|||
extern mmu_ops_t arm1176jzf_s_mmu_ops; |
|||
|
|||
ARMword |
|||
arm1176jzf_s_mmu_mrc (ARMul_State *state, ARMword instr, ARMword *value); |
|||
#endif /*_ARM1176JZF_S_MMU_H_*/ |
|||
@ -1,370 +0,0 @@ |
|||
#include "core/arm/interpreter/armdefs.h"
|
|||
|
|||
/* mmu cache init
|
|||
* |
|||
* @cache_t :cache_t to init |
|||
* @width :cache line width in byte |
|||
* @way :way of each cache set |
|||
* @set :cache set num |
|||
* |
|||
* $ -1: error |
|||
* 0: sucess |
|||
*/ |
|||
int |
|||
mmu_cache_init (cache_s * cache_t, int width, int way, int set, int w_mode) |
|||
{ |
|||
int i, j; |
|||
cache_set_t *sets; |
|||
cache_line_t *lines; |
|||
|
|||
/*alloc cache set */ |
|||
sets = NULL; |
|||
lines = NULL; |
|||
//fprintf(stderr, "mmu_cache_init: mallloc beg size %d,sets 0x%x\n", sizeof(cache_set_t) * set,sets);
|
|||
//exit(-1);
|
|||
sets = (cache_set_t *) malloc (sizeof (cache_set_t) * set); |
|||
if (sets == NULL) { |
|||
ERROR_LOG(ARM11, "set malloc size %d\n", sizeof (cache_set_t) * set); |
|||
goto sets_error; |
|||
} |
|||
//fprintf(stderr, "mmu_cache_init: mallloc end sets 0x%x\n", sets);
|
|||
cache_t->sets = sets; |
|||
|
|||
/*init cache set */ |
|||
for (i = 0; i < set; i++) { |
|||
/*alloc cache line */ |
|||
lines = (cache_line_t *) malloc (sizeof (cache_line_t) * way); |
|||
if (lines == NULL) { |
|||
ERROR_LOG(ARM11, "line malloc size %d\n", |
|||
sizeof (cache_line_t) * way); |
|||
goto lines_error; |
|||
} |
|||
/*init cache line */ |
|||
for (j = 0; j < way; j++) { |
|||
lines[j].tag = 0; //invalid
|
|||
lines[j].data = (ARMword *) malloc (width); |
|||
if (lines[j].data == NULL) { |
|||
ERROR_LOG(ARM11, "data alloc size %d\n", width); |
|||
goto data_error; |
|||
} |
|||
} |
|||
|
|||
sets[i].lines = lines; |
|||
sets[i].cycle = 0; |
|||
|
|||
} |
|||
cache_t->width = width; |
|||
cache_t->set = set; |
|||
cache_t->way = way; |
|||
cache_t->w_mode = w_mode; |
|||
return 0; |
|||
|
|||
data_error: |
|||
/*free data */ |
|||
while (j-- > 0) |
|||
free (lines[j].data); |
|||
/*free data error line */ |
|||
free (lines); |
|||
lines_error: |
|||
/*free lines already alloced */ |
|||
while (i-- > 0) { |
|||
for (j = 0; j < way; j++) |
|||
free (sets[i].lines[j].data); |
|||
free (sets[i].lines); |
|||
} |
|||
/*free sets */ |
|||
free (sets); |
|||
sets_error: |
|||
return -1; |
|||
}; |
|||
|
|||
/* free a cache_t's inner data, the ptr self is not freed,
|
|||
* when needed do like below: |
|||
* mmu_cache_exit(cache); |
|||
* free(cache_t); |
|||
* |
|||
* @cache_t : the cache_t to free |
|||
*/ |
|||
|
|||
void |
|||
mmu_cache_exit (cache_s * cache_t) |
|||
{ |
|||
int i, j; |
|||
cache_set_t *sets, *set; |
|||
cache_line_t *lines, *line; |
|||
|
|||
/*free all set */ |
|||
sets = cache_t->sets; |
|||
for (set = sets, i = 0; i < cache_t->set; i++, set++) { |
|||
/*free all line */ |
|||
lines = set->lines; |
|||
for (line = lines, j = 0; j < cache_t->way; j++, line++) |
|||
free (line->data); |
|||
free (lines); |
|||
} |
|||
free (sets); |
|||
} |
|||
|
|||
/* mmu cache search
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to search |
|||
* @va :virtual address |
|||
* |
|||
* $ NULL: no cache match |
|||
* cache :cache matched |
|||
*/ |
|||
cache_line_t * |
|||
mmu_cache_search (ARMul_State * state, cache_s * cache_t, ARMword va) |
|||
{ |
|||
int i; |
|||
int set = va_cache_set (va, cache_t); |
|||
ARMword tag = va_cache_align (va, cache_t); |
|||
cache_line_t *cache; |
|||
|
|||
cache_set_t *cache_set = cache_t->sets + set; |
|||
for (i = 0, cache = cache_set->lines; i < cache_t->way; i++, cache++) { |
|||
if ((cache->tag & TAG_VALID_FLAG) |
|||
&& (tag == va_cache_align (cache->tag, cache_t))) |
|||
return cache; |
|||
} |
|||
return NULL; |
|||
} |
|||
|
|||
/* mmu cache search by set/index
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to search |
|||
* @index :set/index value. |
|||
* |
|||
* $ NULL: no cache match |
|||
* cache :cache matched |
|||
*/ |
|||
cache_line_t * |
|||
mmu_cache_search_by_index (ARMul_State * state, cache_s * cache_t, |
|||
ARMword index) |
|||
{ |
|||
int way = cache_t->way; |
|||
int set_v = index_cache_set (index, cache_t); |
|||
int i = 0, index_v = 0; |
|||
cache_set_t *set; |
|||
|
|||
while ((way >>= 1) >= 1) |
|||
i++; |
|||
index_v = index >> (32 - i); |
|||
set = cache_t->sets + set_v; |
|||
|
|||
return set->lines + index_v; |
|||
} |
|||
|
|||
|
|||
/* mmu cache alloc
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to alloc from |
|||
* @va :virtual address that require cache alloc, need not cache aligned |
|||
* @pa :physical address of va |
|||
* |
|||
* $ cache_alloced, always alloc OK |
|||
*/ |
|||
cache_line_t * |
|||
mmu_cache_alloc (ARMul_State * state, cache_s * cache_t, ARMword va, |
|||
ARMword pa) |
|||
{ |
|||
cache_line_t *cache; |
|||
cache_set_t *set; |
|||
int i; |
|||
|
|||
va = va_cache_align (va, cache_t); |
|||
pa = va_cache_align (pa, cache_t); |
|||
|
|||
set = &cache_t->sets[va_cache_set (va, cache_t)]; |
|||
|
|||
/*robin-round */ |
|||
cache = &set->lines[set->cycle++]; |
|||
if (set->cycle == cache_t->way) |
|||
set->cycle = 0; |
|||
|
|||
if (cache_t->w_mode == CACHE_WRITE_BACK) { |
|||
ARMword t; |
|||
|
|||
/*if cache valid, try to write back */ |
|||
if (cache->tag & TAG_VALID_FLAG) { |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
} |
|||
/*read in cache_line */ |
|||
t = pa; |
|||
for (i = 0; i < (cache_t->width >> WORD_SHT); |
|||
i++, t += WORD_SIZE) { |
|||
//cache->data[i] = mem_read_word (state, t);
|
|||
bus_read(32, t, &cache->data[i]); |
|||
} |
|||
} |
|||
/*store tag and pa */ |
|||
cache->tag = va | TAG_VALID_FLAG; |
|||
cache->pa = pa; |
|||
|
|||
return cache; |
|||
}; |
|||
|
|||
/* mmu_cache_write_back write cache data to memory
|
|||
* @state |
|||
* @cache_t :cache_t of the cache line |
|||
* @cache : cache line |
|||
*/ |
|||
void |
|||
mmu_cache_write_back (ARMul_State * state, cache_s * cache_t, |
|||
cache_line_t * cache) |
|||
{ |
|||
ARMword pa = cache->pa; |
|||
int nw = cache_t->width >> WORD_SHT; |
|||
ARMword *data = cache->data; |
|||
int i; |
|||
int t0, t1, t2; |
|||
|
|||
if ((cache->tag & 1) == 0) |
|||
return; |
|||
|
|||
switch (cache-> |
|||
tag & ~1 & (TAG_FIRST_HALF_DIRTY | TAG_LAST_HALF_DIRTY)) { |
|||
case 0: |
|||
return; |
|||
case TAG_FIRST_HALF_DIRTY: |
|||
nw /= 2; |
|||
break; |
|||
case TAG_LAST_HALF_DIRTY: |
|||
nw /= 2; |
|||
pa += nw << WORD_SHT; |
|||
data += nw; |
|||
break; |
|||
case TAG_FIRST_HALF_DIRTY | TAG_LAST_HALF_DIRTY: |
|||
break; |
|||
} |
|||
for (i = 0; i < nw; i++, data++, pa += WORD_SIZE) |
|||
//mem_write_word (state, pa, *data);
|
|||
bus_write(32, pa, *data); |
|||
|
|||
cache->tag &= ~(TAG_FIRST_HALF_DIRTY | TAG_LAST_HALF_DIRTY); |
|||
}; |
|||
|
|||
|
|||
/* mmu_cache_clean: clean a cache of va in cache_t
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to clean |
|||
* @va :virtaul address |
|||
*/ |
|||
void |
|||
mmu_cache_clean (ARMul_State * state, cache_s * cache_t, ARMword va) |
|||
{ |
|||
cache_line_t *cache; |
|||
|
|||
cache = mmu_cache_search (state, cache_t, va); |
|||
if (cache) |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
} |
|||
|
|||
/* mmu_cache_clean_by_index: clean a cache by set/index format value
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to clean |
|||
* @va :set/index format value |
|||
*/ |
|||
void |
|||
mmu_cache_clean_by_index (ARMul_State * state, cache_s * cache_t, |
|||
ARMword index) |
|||
{ |
|||
cache_line_t *cache; |
|||
|
|||
cache = mmu_cache_search_by_index (state, cache_t, index); |
|||
if (cache) |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
} |
|||
|
|||
/* mmu_cache_invalidate : invalidate a cache of va
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to invalid |
|||
* @va :virt_addr to invalid |
|||
*/ |
|||
void |
|||
mmu_cache_invalidate (ARMul_State * state, cache_s * cache_t, ARMword va) |
|||
{ |
|||
cache_line_t *cache; |
|||
|
|||
cache = mmu_cache_search (state, cache_t, va); |
|||
if (cache) { |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
cache->tag = 0; |
|||
} |
|||
} |
|||
|
|||
/* mmu_cache_invalidate_by_index : invalidate a cache by index format
|
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to invalid |
|||
* @index :set/index data |
|||
*/ |
|||
void |
|||
mmu_cache_invalidate_by_index (ARMul_State * state, cache_s * cache_t, |
|||
ARMword index) |
|||
{ |
|||
cache_line_t *cache; |
|||
|
|||
cache = mmu_cache_search_by_index (state, cache_t, index); |
|||
if (cache) { |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
cache->tag = 0; |
|||
} |
|||
} |
|||
|
|||
/* mmu_cache_invalidate_all
|
|||
* |
|||
* @state: |
|||
* @cache_t |
|||
* */ |
|||
void |
|||
mmu_cache_invalidate_all (ARMul_State * state, cache_s * cache_t) |
|||
{ |
|||
int i, j; |
|||
cache_set_t *set; |
|||
cache_line_t *cache; |
|||
|
|||
set = cache_t->sets; |
|||
for (i = 0; i < cache_t->set; i++, set++) { |
|||
cache = set->lines; |
|||
for (j = 0; j < cache_t->way; j++, cache++) { |
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
cache->tag = 0; |
|||
} |
|||
} |
|||
}; |
|||
|
|||
void |
|||
mmu_cache_soft_flush (ARMul_State * state, cache_s * cache_t, ARMword pa) |
|||
{ |
|||
ARMword set, way; |
|||
cache_line_t *cache; |
|||
pa = (pa / cache_t->width); |
|||
way = pa & (cache_t->way - 1); |
|||
set = (pa / cache_t->way) & (cache_t->set - 1); |
|||
cache = &cache_t->sets[set].lines[way]; |
|||
|
|||
mmu_cache_write_back (state, cache_t, cache); |
|||
cache->tag = 0; |
|||
} |
|||
|
|||
cache_line_t* mmu_cache_dirty_cache(ARMul_State *state,cache_s *cache){ |
|||
int i; |
|||
int j; |
|||
cache_line_t *cache_line = NULL; |
|||
cache_set_t *cache_set = cache->sets; |
|||
int sets = cache->set; |
|||
for (i = 0; i < sets; i++){ |
|||
for(j = 0,cache_line = &cache_set[i].lines[0]; j < cache->way; j++,cache_line++){ |
|||
if((cache_line->tag & TAG_FIRST_HALF_DIRTY) || (cache_line->tag & TAG_LAST_HALF_DIRTY)) |
|||
return cache_line; |
|||
} |
|||
} |
|||
return NULL; |
|||
} |
|||
@ -1,168 +0,0 @@ |
|||
#ifndef _MMU_CACHE_H_ |
|||
#define _MMU_CACHE_H_ |
|||
|
|||
typedef struct cache_line_t |
|||
{ |
|||
ARMword tag; /* cache line align address | |
|||
bit2: last half dirty |
|||
bit1: first half dirty |
|||
bit0: cache valid flag |
|||
*/ |
|||
ARMword pa; /*physical address */ |
|||
ARMword *data; /*array of cached data */ |
|||
} cache_line_t; |
|||
#define TAG_VALID_FLAG 0x00000001 |
|||
#define TAG_FIRST_HALF_DIRTY 0x00000002 |
|||
#define TAG_LAST_HALF_DIRTY 0x00000004 |
|||
|
|||
/*cache set association*/ |
|||
typedef struct cache_set_s |
|||
{ |
|||
cache_line_t *lines; |
|||
int cycle; |
|||
} cache_set_t; |
|||
|
|||
enum |
|||
{ |
|||
CACHE_WRITE_BACK, |
|||
CACHE_WRITE_THROUGH, |
|||
}; |
|||
|
|||
typedef struct cache_s |
|||
{ |
|||
int width; /*bytes in a line */ |
|||
int way; /*way of set asscociate */ |
|||
int set; /*num of set */ |
|||
int w_mode; /*write back or write through */ |
|||
//int a_mode; /*alloc mode: random or round-bin*/ |
|||
cache_set_t *sets; |
|||
/**/} cache_s; |
|||
|
|||
typedef struct cache_desc_s |
|||
{ |
|||
int width; |
|||
int way; |
|||
int set; |
|||
int w_mode; |
|||
// int a_mode; |
|||
} cache_desc_t; |
|||
|
|||
|
|||
/*virtual address to cache set index*/ |
|||
#define va_cache_set(va, cache_t) \ |
|||
(((va) / (cache_t)->width) & ((cache_t)->set - 1)) |
|||
/*virtual address to cahce line aligned*/ |
|||
#define va_cache_align(va, cache_t) \ |
|||
((va) & ~((cache_t)->width - 1)) |
|||
/*virtaul address to cache line word index*/ |
|||
#define va_cache_index(va, cache_t) \ |
|||
(((va) & ((cache_t)->width - 1)) >> WORD_SHT) |
|||
|
|||
/*see Page 558 in arm manual*/ |
|||
/*set/index format value to cache set value*/ |
|||
#define index_cache_set(index, cache_t) \ |
|||
(((index) / (cache_t)->width) & ((cache_t)->set - 1)) |
|||
|
|||
/*************************cache********************/ |
|||
/* mmu cache init |
|||
* |
|||
* @cache_t :cache_t to init |
|||
* @width :cache line width in byte |
|||
* @way :way of each cache set |
|||
* @set :cache set num |
|||
* @w_mode :cache w_mode |
|||
* |
|||
* $ -1: error |
|||
* 0: sucess |
|||
*/ |
|||
int |
|||
mmu_cache_init (cache_s * cache_t, int width, int way, int set, int w_mode); |
|||
|
|||
/* free a cache_t's inner data, the ptr self is not freed, |
|||
* when needed do like below: |
|||
* mmu_cache_exit(cache); |
|||
* free(cache_t); |
|||
* |
|||
* @cache_t : the cache_t to free |
|||
*/ |
|||
void mmu_cache_exit (cache_s * cache_t); |
|||
|
|||
/* mmu cache search |
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to search |
|||
* @va :virtual address |
|||
* |
|||
* $ NULL: no cache match |
|||
* cache :cache matched |
|||
* */ |
|||
cache_line_t *mmu_cache_search (ARMul_State * state, cache_s * cache_t, |
|||
ARMword va); |
|||
|
|||
/* mmu cache search by set/index |
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to search |
|||
* @index :set/index value. |
|||
* |
|||
* $ NULL: no cache match |
|||
* cache :cache matched |
|||
* */ |
|||
|
|||
cache_line_t *mmu_cache_search_by_index (ARMul_State * state, |
|||
cache_s * cache_t, ARMword index); |
|||
|
|||
/* mmu cache alloc |
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to alloc from |
|||
* @va :virtual address that require cache alloc, need not cache aligned |
|||
* @pa :physical address of va |
|||
* |
|||
* $ cache_alloced, always alloc OK |
|||
*/ |
|||
cache_line_t *mmu_cache_alloc (ARMul_State * state, cache_s * cache_t, |
|||
ARMword va, ARMword pa); |
|||
|
|||
/* mmu_cache_write_back write cache data to memory |
|||
* |
|||
* @state: |
|||
* @cache_t :cache_t of the cache line |
|||
* @cache : cache line |
|||
*/ |
|||
void |
|||
mmu_cache_write_back (ARMul_State * state, cache_s * cache_t, |
|||
cache_line_t * cache); |
|||
|
|||
/* mmu_cache_clean: clean a cache of va in cache_t |
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to clean |
|||
* @va :virtaul address |
|||
*/ |
|||
void mmu_cache_clean (ARMul_State * state, cache_s * cache_t, ARMword va); |
|||
void |
|||
mmu_cache_clean_by_index (ARMul_State * state, cache_s * cache_t, |
|||
ARMword index); |
|||
|
|||
/* mmu_cache_invalidate : invalidate a cache of va |
|||
* |
|||
* @state :ARMul_State |
|||
* @cache_t :cache_t to invalid |
|||
* @va :virt_addr to invalid |
|||
*/ |
|||
void |
|||
mmu_cache_invalidate (ARMul_State * state, cache_s * cache_t, ARMword va); |
|||
|
|||
void |
|||
mmu_cache_invalidate_by_index (ARMul_State * state, cache_s * cache_t, |
|||
ARMword index); |
|||
|
|||
void mmu_cache_invalidate_all (ARMul_State * state, cache_s * cache_t); |
|||
|
|||
void |
|||
mmu_cache_soft_flush (ARMul_State * state, cache_s * cache_t, ARMword pa); |
|||
|
|||
cache_line_t* mmu_cache_dirty_cache(ARMul_State * state, cache_s * cache_t); |
|||
|
|||
#endif /*_MMU_CACHE_H_*/ |
|||
1206
src/core/arm/interpreter/mmu/maverick.cpp
File diff suppressed because it is too large
View File
File diff suppressed because it is too large
View File
@ -1,126 +0,0 @@ |
|||
#include "core/arm/interpreter/armdefs.h"
|
|||
|
|||
/*chy 2004-06-06, fix bug found by wenye@cs.ucsb.edu*/ |
|||
ARMword rb_masks[] = { |
|||
0x0, //RB_INVALID
|
|||
4, //RB_1
|
|||
16, //RB_4
|
|||
32, //RB_8
|
|||
}; |
|||
|
|||
/*mmu_rb_init
|
|||
* @rb_t :rb_t to init |
|||
* @num :number of entry |
|||
* */ |
|||
int |
|||
mmu_rb_init (rb_s * rb_t, int num) |
|||
{ |
|||
int i; |
|||
rb_entry_t *entrys; |
|||
|
|||
entrys = (rb_entry_t *) malloc (sizeof (*entrys) * num); |
|||
if (entrys == NULL) { |
|||
printf ("SKYEYE:mmu_rb_init malloc error\n"); |
|||
return -1; |
|||
} |
|||
for (i = 0; i < num; i++) { |
|||
entrys[i].type = RB_INVALID; |
|||
entrys[i].fault = NO_FAULT; |
|||
} |
|||
|
|||
rb_t->entrys = entrys; |
|||
rb_t->num = num; |
|||
return 0; |
|||
} |
|||
|
|||
/*mmu_rb_exit*/ |
|||
void |
|||
mmu_rb_exit (rb_s * rb_t) |
|||
{ |
|||
free (rb_t->entrys); |
|||
}; |
|||
|
|||
/*mmu_rb_search
|
|||
* @rb_t :rb_t to serach |
|||
* @va :va address to math |
|||
* |
|||
* $ NULL :not match |
|||
* NO-NULL: |
|||
* */ |
|||
rb_entry_t * |
|||
mmu_rb_search (rb_s * rb_t, ARMword va) |
|||
{ |
|||
int i; |
|||
rb_entry_t *rb = rb_t->entrys; |
|||
|
|||
DEBUG_LOG(ARM11, "va = %x\n", va); |
|||
for (i = 0; i < rb_t->num; i++, rb++) { |
|||
//2004-06-06 lyh bug from wenye@cs.ucsb.edu
|
|||
if (rb->type) { |
|||
if ((va >= rb->va) |
|||
&& (va < (rb->va + rb_masks[rb->type]))) |
|||
return rb; |
|||
} |
|||
} |
|||
return NULL; |
|||
}; |
|||
|
|||
void |
|||
mmu_rb_invalidate_entry (rb_s * rb_t, int i) |
|||
{ |
|||
rb_t->entrys[i].type = RB_INVALID; |
|||
} |
|||
|
|||
void |
|||
mmu_rb_invalidate_all (rb_s * rb_t) |
|||
{ |
|||
int i; |
|||
|
|||
for (i = 0; i < rb_t->num; i++) |
|||
mmu_rb_invalidate_entry (rb_t, i); |
|||
}; |
|||
|
|||
void |
|||
mmu_rb_load (ARMul_State * state, rb_s * rb_t, int i_rb, int type, ARMword va) |
|||
{ |
|||
rb_entry_t *rb; |
|||
int i; |
|||
ARMword max_start, min_end; |
|||
fault_t fault; |
|||
tlb_entry_t *tlb; |
|||
|
|||
/*align va according to type */ |
|||
va &= ~(rb_masks[type] - 1); |
|||
/*invalidate all RB match [va, va + rb_masks[type]] */ |
|||
for (rb = rb_t->entrys, i = 0; i < rb_t->num; i++, rb++) { |
|||
if (rb->type) { |
|||
max_start = max (va, rb->va); |
|||
min_end = |
|||
min (va + rb_masks[type], |
|||
rb->va + rb_masks[rb->type]); |
|||
if (max_start < min_end) |
|||
rb->type = RB_INVALID; |
|||
} |
|||
} |
|||
/*load word */ |
|||
rb = &rb_t->entrys[i_rb]; |
|||
rb->type = type; |
|||
fault = translate (state, va, D_TLB (), &tlb); |
|||
if (fault) { |
|||
rb->fault = fault; |
|||
return; |
|||
} |
|||
fault = check_access (state, va, tlb, 1); |
|||
if (fault) { |
|||
rb->fault = fault; |
|||
return; |
|||
} |
|||
|
|||
rb->fault = NO_FAULT; |
|||
va = tlb_va_to_pa (tlb, va); |
|||
//2004-06-06 lyh bug from wenye@cs.ucsb.edu
|
|||
for (i = 0; i < (rb_masks[type] / 4); i++, va += WORD_SIZE) { |
|||
//rb->data[i] = mem_read_word (state, va);
|
|||
bus_read(32, va, &rb->data[i]); |
|||
}; |
|||
} |
|||
@ -1,55 +0,0 @@ |
|||
#ifndef _MMU_RB_H |
|||
#define _MMU_RB_H |
|||
|
|||
enum rb_type_t |
|||
{ |
|||
RB_INVALID = 0, //invalid |
|||
RB_1, //1 word |
|||
RB_4, //4 word |
|||
RB_8, //8 word |
|||
}; |
|||
|
|||
/*bytes of each rb_type*/ |
|||
extern ARMword rb_masks[]; |
|||
|
|||
#define RB_WORD_NUM 8 |
|||
typedef struct rb_entry_s |
|||
{ |
|||
ARMword data[RB_WORD_NUM]; //array to store data |
|||
ARMword va; //first word va |
|||
int type; //rb type |
|||
fault_t fault; //fault set by rb alloc |
|||
} rb_entry_t; |
|||
|
|||
typedef struct rb_s |
|||
{ |
|||
int num; |
|||
rb_entry_t *entrys; |
|||
} rb_s; |
|||
|
|||
/*mmu_rb_init |
|||
* @rb_t :rb_t to init |
|||
* @num :number of entry |
|||
* */ |
|||
int mmu_rb_init (rb_s * rb_t, int num); |
|||
|
|||
/*mmu_rb_exit*/ |
|||
void mmu_rb_exit (rb_s * rb_t); |
|||
|
|||
|
|||
/*mmu_rb_search |
|||
* @rb_t :rb_t to serach |
|||
* @va :va address to math |
|||
* |
|||
* $ NULL :not match |
|||
* NO-NULL: |
|||
* */ |
|||
rb_entry_t *mmu_rb_search (rb_s * rb_t, ARMword va); |
|||
|
|||
|
|||
void mmu_rb_invalidate_entry (rb_s * rb_t, int i); |
|||
void mmu_rb_invalidate_all (rb_s * rb_t); |
|||
void mmu_rb_load (ARMul_State * state, rb_s * rb_t, int i_rb, |
|||
int type, ARMword va); |
|||
|
|||
#endif /*_MMU_RB_H_*/ |
|||
@ -1,864 +0,0 @@ |
|||
/*
|
|||
armmmu.c - Memory Management Unit emulation. |
|||
ARMulator extensions for the ARM7100 family. |
|||
Copyright (C) 1999 Ben Williamson |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|||
*/ |
|||
|
|||
#include <assert.h>
|
|||
#include <string.h>
|
|||
|
|||
#include "core/arm/interpreter/armdefs.h"
|
|||
|
|||
/**
|
|||
* The interface of read data from bus |
|||
*/ |
|||
int bus_read(short size, int addr, uint32_t * value) { |
|||
ERROR_LOG(ARM11, "unimplemented bus_read"); |
|||
return 0; |
|||
} |
|||
|
|||
/**
|
|||
* The interface of write data from bus |
|||
*/ |
|||
int bus_write(short size, int addr, uint32_t value) { |
|||
ERROR_LOG(ARM11, "unimplemented bus_write"); |
|||
return 0; |
|||
} |
|||
|
|||
|
|||
typedef struct sa_mmu_desc_s |
|||
{ |
|||
int i_tlb; |
|||
cache_desc_t i_cache; |
|||
|
|||
int d_tlb; |
|||
cache_desc_t main_d_cache; |
|||
cache_desc_t mini_d_cache; |
|||
int rb; |
|||
wb_desc_t wb; |
|||
} sa_mmu_desc_t; |
|||
|
|||
static sa_mmu_desc_t sa11xx_mmu_desc = { |
|||
32, |
|||
{32, 32, 16, CACHE_WRITE_BACK}, |
|||
|
|||
32, |
|||
{32, 32, 8, CACHE_WRITE_BACK}, |
|||
{32, 2, 8, CACHE_WRITE_BACK}, |
|||
4, |
|||
//{8, 4}, for word size
|
|||
{8, 16}, //for byte size, chy 2003-07-11
|
|||
}; |
|||
|
|||
static fault_t sa_mmu_write (ARMul_State * state, ARMword va, ARMword data, |
|||
ARMword datatype); |
|||
static fault_t sa_mmu_read (ARMul_State * state, ARMword va, ARMword * data, |
|||
ARMword datatype); |
|||
static fault_t update_cache (ARMul_State * state, ARMword va, ARMword data, |
|||
ARMword datatype, cache_line_t * cache, |
|||
cache_s * cache_t, ARMword real_va); |
|||
|
|||
void |
|||
mmu_wb_write_bytes (ARMul_State * state, wb_s * wb_t, ARMword pa, |
|||
ARMbyte * data, int n); |
|||
int |
|||
sa_mmu_init (ARMul_State * state) |
|||
{ |
|||
sa_mmu_desc_t *desc; |
|||
cache_desc_t *c_desc; |
|||
|
|||
state->mmu.control = 0x70; |
|||
state->mmu.translation_table_base = 0xDEADC0DE; |
|||
state->mmu.domain_access_control = 0xDEADC0DE; |
|||
state->mmu.fault_status = 0; |
|||
state->mmu.fault_address = 0; |
|||
state->mmu.process_id = 0; |
|||
|
|||
desc = &sa11xx_mmu_desc; |
|||
if (mmu_tlb_init (I_TLB (), desc->i_tlb)) { |
|||
ERROR_LOG(ARM11, "i_tlb init %d\n", -1); |
|||
goto i_tlb_init_error; |
|||
} |
|||
|
|||
c_desc = &desc->i_cache; |
|||
if (mmu_cache_init (I_CACHE (), c_desc->width, c_desc->way, |
|||
c_desc->set, c_desc->w_mode)) { |
|||
ERROR_LOG(ARM11, "i_cache init %d\n", -1); |
|||
goto i_cache_init_error; |
|||
} |
|||
|
|||
if (mmu_tlb_init (D_TLB (), desc->d_tlb)) { |
|||
ERROR_LOG(ARM11, "d_tlb init %d\n", -1); |
|||
goto d_tlb_init_error; |
|||
} |
|||
|
|||
c_desc = &desc->main_d_cache; |
|||
if (mmu_cache_init (MAIN_D_CACHE (), c_desc->width, c_desc->way, |
|||
c_desc->set, c_desc->w_mode)) { |
|||
ERROR_LOG(ARM11, "main_d_cache init %d\n", -1); |
|||
goto main_d_cache_init_error; |
|||
} |
|||
|
|||
c_desc = &desc->mini_d_cache; |
|||
if (mmu_cache_init (MINI_D_CACHE (), c_desc->width, c_desc->way, |
|||
c_desc->set, c_desc->w_mode)) { |
|||
ERROR_LOG(ARM11, "mini_d_cache init %d\n", -1); |
|||
goto mini_d_cache_init_error; |
|||
} |
|||
|
|||
if (mmu_wb_init (WB (), desc->wb.num, desc->wb.nb)) { |
|||
ERROR_LOG(ARM11, "wb init %d\n", -1); |
|||
goto wb_init_error; |
|||
} |
|||
|
|||
if (mmu_rb_init (RB (), desc->rb)) { |
|||
ERROR_LOG(ARM11, "rb init %d\n", -1); |
|||
goto rb_init_error; |
|||
} |
|||
return 0; |
|||
|
|||
rb_init_error: |
|||
mmu_wb_exit (WB ()); |
|||
wb_init_error: |
|||
mmu_cache_exit (MINI_D_CACHE ()); |
|||
mini_d_cache_init_error: |
|||
mmu_cache_exit (MAIN_D_CACHE ()); |
|||
main_d_cache_init_error: |
|||
mmu_tlb_exit (D_TLB ()); |
|||
d_tlb_init_error: |
|||
mmu_cache_exit (I_CACHE ()); |
|||
i_cache_init_error: |
|||
mmu_tlb_exit (I_TLB ()); |
|||
i_tlb_init_error: |
|||
return -1; |
|||
} |
|||
|
|||
void |
|||
sa_mmu_exit (ARMul_State * state) |
|||
{ |
|||
mmu_rb_exit (RB ()); |
|||
mmu_wb_exit (WB ()); |
|||
mmu_cache_exit (MINI_D_CACHE ()); |
|||
mmu_cache_exit (MAIN_D_CACHE ()); |
|||
mmu_tlb_exit (D_TLB ()); |
|||
mmu_cache_exit (I_CACHE ()); |
|||
mmu_tlb_exit (I_TLB ()); |
|||
}; |
|||
|
|||
|
|||
static fault_t |
|||
sa_mmu_load_instr (ARMul_State * state, ARMword va, ARMword * instr) |
|||
{ |
|||
fault_t fault; |
|||
tlb_entry_t *tlb; |
|||
cache_line_t *cache; |
|||
int c; //cache bit
|
|||
ARMword pa; //physical addr
|
|||
|
|||
static int debug_count = 0; //used for debug
|
|||
|
|||
DEBUG_LOG(ARM11, "va = %x\n", va); |
|||
|
|||
va = mmu_pid_va_map (va); |
|||
if (MMU_Enabled) { |
|||
/*align check */ |
|||
if ((va & (WORD_SIZE - 1)) && MMU_Aligned) { |
|||
DEBUG_LOG(ARM11, "align\n"); |
|||
return ALIGNMENT_FAULT; |
|||
} |
|||
else |
|||
va &= ~(WORD_SIZE - 1); |
|||
|
|||
/*translate tlb */ |
|||
fault = translate (state, va, I_TLB (), &tlb); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "translate\n"); |
|||
return fault; |
|||
} |
|||
|
|||
/*check access */ |
|||
fault = check_access (state, va, tlb, 1); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "check_fault\n"); |
|||
return fault; |
|||
} |
|||
} |
|||
|
|||
/*search cache no matter MMU enabled/disabled */ |
|||
cache = mmu_cache_search (state, I_CACHE (), va); |
|||
if (cache) { |
|||
*instr = cache->data[va_cache_index (va, I_CACHE ())]; |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
/*if MMU disabled or C flag is set alloc cache */ |
|||
if (MMU_Disabled) { |
|||
c = 1; |
|||
pa = va; |
|||
} |
|||
else { |
|||
c = tlb_c_flag (tlb); |
|||
pa = tlb_va_to_pa (tlb, va); |
|||
} |
|||
|
|||
if (c) { |
|||
int index; |
|||
|
|||
debug_count++; |
|||
cache = mmu_cache_alloc (state, I_CACHE (), va, pa); |
|||
index = va_cache_index (va, I_CACHE ()); |
|||
*instr = cache->data[va_cache_index (va, I_CACHE ())]; |
|||
} |
|||
else |
|||
//*instr = mem_read_word (state, pa);
|
|||
bus_read(32, pa, instr); |
|||
|
|||
return NO_FAULT; |
|||
}; |
|||
|
|||
|
|||
|
|||
static fault_t |
|||
sa_mmu_read_byte (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
//ARMword temp,offset;
|
|||
fault_t fault; |
|||
fault = sa_mmu_read (state, virt_addr, data, ARM_BYTE_TYPE); |
|||
return fault; |
|||
} |
|||
|
|||
static fault_t |
|||
sa_mmu_read_halfword (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
//ARMword temp,offset;
|
|||
fault_t fault; |
|||
fault = sa_mmu_read (state, virt_addr, data, ARM_HALFWORD_TYPE); |
|||
return fault; |
|||
} |
|||
|
|||
static fault_t |
|||
sa_mmu_read_word (ARMul_State * state, ARMword virt_addr, ARMword * data) |
|||
{ |
|||
return sa_mmu_read (state, virt_addr, data, ARM_WORD_TYPE); |
|||
} |
|||
|
|||
|
|||
|
|||
|
|||
static fault_t |
|||
sa_mmu_read (ARMul_State * state, ARMword va, ARMword * data, |
|||
ARMword datatype) |
|||
{ |
|||
fault_t fault; |
|||
rb_entry_t *rb; |
|||
tlb_entry_t *tlb; |
|||
cache_line_t *cache; |
|||
ARMword pa, real_va, temp, offset; |
|||
|
|||
DEBUG_LOG(ARM11, "va = %x\n", va); |
|||
|
|||
va = mmu_pid_va_map (va); |
|||
real_va = va; |
|||
/*if MMU disabled, memory_read */ |
|||
if (MMU_Disabled) { |
|||
//*data = mem_read_word(state, va);
|
|||
if (datatype == ARM_BYTE_TYPE) |
|||
//*data = mem_read_byte (state, va);
|
|||
bus_read(8, va, data); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
//*data = mem_read_halfword (state, va);
|
|||
bus_read(16, va, data); |
|||
else if (datatype == ARM_WORD_TYPE) |
|||
//*data = mem_read_word (state, va);
|
|||
bus_read(32, va, data); |
|||
else { |
|||
printf ("SKYEYE:1 sa_mmu_read error: unknown data type %d\n", datatype); |
|||
// skyeye_exit (-1);
|
|||
} |
|||
|
|||
return NO_FAULT; |
|||
} |
|||
|
|||
/*align check */ |
|||
if (((va & 3) && (datatype == ARM_WORD_TYPE) && MMU_Aligned) || |
|||
((va & 1) && (datatype == ARM_HALFWORD_TYPE) && MMU_Aligned)) { |
|||
DEBUG_LOG(ARM11, "align\n"); |
|||
return ALIGNMENT_FAULT; |
|||
} // else
|
|||
|
|||
va &= ~(WORD_SIZE - 1); |
|||
|
|||
/*translate va to tlb */ |
|||
fault = translate (state, va, D_TLB (), &tlb); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "translate\n"); |
|||
return fault; |
|||
} |
|||
/*check access permission */ |
|||
fault = check_access (state, va, tlb, 1); |
|||
if (fault) |
|||
return fault; |
|||
/*search in read buffer */ |
|||
rb = mmu_rb_search (RB (), va); |
|||
if (rb) { |
|||
if (rb->fault) |
|||
return rb->fault; |
|||
*data = rb->data[(va & (rb_masks[rb->type] - 1)) >> WORD_SHT]; |
|||
goto datatrans; |
|||
//return 0;
|
|||
}; |
|||
/*search main cache */ |
|||
cache = mmu_cache_search (state, MAIN_D_CACHE (), va); |
|||
if (cache) { |
|||
*data = cache->data[va_cache_index (va, MAIN_D_CACHE ())]; |
|||
goto datatrans; |
|||
//return 0;
|
|||
} |
|||
/*search mini cache */ |
|||
cache = mmu_cache_search (state, MINI_D_CACHE (), va); |
|||
if (cache) { |
|||
*data = cache->data[va_cache_index (va, MINI_D_CACHE ())]; |
|||
goto datatrans; |
|||
//return 0;
|
|||
} |
|||
|
|||
/*get phy_addr */ |
|||
pa = tlb_va_to_pa (tlb, va); |
|||
if ((pa >= 0xe0000000) && (pa < 0xe8000000)) { |
|||
if (tlb_c_flag (tlb)) { |
|||
if (tlb_b_flag (tlb)) { |
|||
mmu_cache_soft_flush (state, MAIN_D_CACHE (), |
|||
pa); |
|||
} |
|||
else { |
|||
mmu_cache_soft_flush (state, MINI_D_CACHE (), |
|||
pa); |
|||
} |
|||
} |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
/*if Buffer, drain Write Buffer first */ |
|||
if (tlb_b_flag (tlb)) |
|||
mmu_wb_drain_all (state, WB ()); |
|||
|
|||
/*alloc cache or mem_read */ |
|||
if (tlb_c_flag (tlb) && MMU_DCacheEnabled) { |
|||
cache_s *cache_t; |
|||
|
|||
if (tlb_b_flag (tlb)) |
|||
cache_t = MAIN_D_CACHE (); |
|||
else |
|||
cache_t = MINI_D_CACHE (); |
|||
cache = mmu_cache_alloc (state, cache_t, va, pa); |
|||
*data = cache->data[va_cache_index (va, cache_t)]; |
|||
} |
|||
else { |
|||
//*data = mem_read_word(state, pa);
|
|||
if (datatype == ARM_BYTE_TYPE) |
|||
//*data = mem_read_byte (state, pa | (real_va & 3));
|
|||
bus_read(8, pa | (real_va & 3), data); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
//*data = mem_read_halfword (state, pa | (real_va & 2));
|
|||
bus_read(16, pa | (real_va & 2), data); |
|||
else if (datatype == ARM_WORD_TYPE) |
|||
//*data = mem_read_word (state, pa);
|
|||
bus_read(32, pa, data); |
|||
else { |
|||
printf ("SKYEYE:2 sa_mmu_read error: unknown data type %d\n", datatype); |
|||
// skyeye_exit (-1);
|
|||
} |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
|
|||
datatrans: |
|||
if (datatype == ARM_HALFWORD_TYPE) { |
|||
temp = *data; |
|||
offset = (((ARMword) state->bigendSig * 2) ^ (real_va & 2)) << 3; /* bit offset into the word */ |
|||
*data = (temp >> offset) & 0xffff; |
|||
} |
|||
else if (datatype == ARM_BYTE_TYPE) { |
|||
temp = *data; |
|||
offset = (((ARMword) state->bigendSig * 3) ^ (real_va & 3)) << 3; /* bit offset into the word */ |
|||
*data = (temp >> offset & 0xffL); |
|||
} |
|||
end: |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
|
|||
static fault_t |
|||
sa_mmu_write_byte (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
return sa_mmu_write (state, virt_addr, data, ARM_BYTE_TYPE); |
|||
} |
|||
|
|||
static fault_t |
|||
sa_mmu_write_halfword (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
return sa_mmu_write (state, virt_addr, data, ARM_HALFWORD_TYPE); |
|||
} |
|||
|
|||
static fault_t |
|||
sa_mmu_write_word (ARMul_State * state, ARMword virt_addr, ARMword data) |
|||
{ |
|||
return sa_mmu_write (state, virt_addr, data, ARM_WORD_TYPE); |
|||
} |
|||
|
|||
|
|||
|
|||
static fault_t |
|||
sa_mmu_write (ARMul_State * state, ARMword va, ARMword data, ARMword datatype) |
|||
{ |
|||
tlb_entry_t *tlb; |
|||
cache_line_t *cache; |
|||
int b; |
|||
ARMword pa, real_va; |
|||
fault_t fault; |
|||
|
|||
DEBUG_LOG(ARM11, "va = %x, val = %x\n", va, data); |
|||
va = mmu_pid_va_map (va); |
|||
real_va = va; |
|||
|
|||
/*search instruction cache */ |
|||
cache = mmu_cache_search (state, I_CACHE (), va); |
|||
if (cache) { |
|||
update_cache (state, va, data, datatype, cache, I_CACHE (), |
|||
real_va); |
|||
} |
|||
|
|||
if (MMU_Disabled) { |
|||
//mem_write_word(state, va, data);
|
|||
if (datatype == ARM_BYTE_TYPE) |
|||
//mem_write_byte (state, va, data);
|
|||
bus_write(8, va, data); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
//mem_write_halfword (state, va, data);
|
|||
bus_write(16, va, data); |
|||
else if (datatype == ARM_WORD_TYPE) |
|||
//mem_write_word (state, va, data);
|
|||
bus_write(32, va, data); |
|||
else { |
|||
printf ("SKYEYE:1 sa_mmu_write error: unknown data type %d\n", datatype); |
|||
// skyeye_exit (-1);
|
|||
} |
|||
|
|||
return NO_FAULT; |
|||
} |
|||
/*align check */ |
|||
//if ((va & (WORD_SIZE - 1)) && MMU_Aligned){
|
|||
if (((va & 3) && (datatype == ARM_WORD_TYPE) && MMU_Aligned) || |
|||
((va & 1) && (datatype == ARM_HALFWORD_TYPE) && MMU_Aligned)) { |
|||
DEBUG_LOG(ARM11, "align\n"); |
|||
return ALIGNMENT_FAULT; |
|||
} //else
|
|||
va &= ~(WORD_SIZE - 1); |
|||
/*tlb translate */ |
|||
fault = translate (state, va, D_TLB (), &tlb); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "translate\n"); |
|||
return fault; |
|||
} |
|||
/*tlb check access */ |
|||
fault = check_access (state, va, tlb, 0); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "check_access\n"); |
|||
return fault; |
|||
} |
|||
/*search main cache */ |
|||
cache = mmu_cache_search (state, MAIN_D_CACHE (), va); |
|||
if (cache) { |
|||
update_cache (state, va, data, datatype, cache, |
|||
MAIN_D_CACHE (), real_va); |
|||
} |
|||
else { |
|||
/*search mini cache */ |
|||
cache = mmu_cache_search (state, MINI_D_CACHE (), va); |
|||
if (cache) { |
|||
update_cache (state, va, data, datatype, cache, |
|||
MINI_D_CACHE (), real_va); |
|||
} |
|||
} |
|||
|
|||
if (!cache) { |
|||
b = tlb_b_flag (tlb); |
|||
pa = tlb_va_to_pa (tlb, va); |
|||
if (b) { |
|||
if (MMU_WBEnabled) { |
|||
if (datatype == ARM_WORD_TYPE) |
|||
mmu_wb_write_bytes (state, WB (), pa, |
|||
(ARMbyte*)&data, 4); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
mmu_wb_write_bytes (state, WB (), |
|||
(pa | |
|||
(real_va & 2)), |
|||
(ARMbyte*)&data, 2); |
|||
else if (datatype == ARM_BYTE_TYPE) |
|||
mmu_wb_write_bytes (state, WB (), |
|||
(pa | |
|||
(real_va & 3)), |
|||
(ARMbyte*)&data, 1); |
|||
|
|||
} |
|||
else { |
|||
if (datatype == ARM_WORD_TYPE) |
|||
//mem_write_word (state, pa, data);
|
|||
bus_write(32, pa, data); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
/*
|
|||
mem_write_halfword (state, |
|||
(pa | |
|||
(real_va & 2)), |
|||
data); |
|||
*/ |
|||
bus_write(16, pa | (real_va & 2), data); |
|||
else if (datatype == ARM_BYTE_TYPE) |
|||
/*
|
|||
mem_write_byte (state, |
|||
(pa | (real_va & 3)), |
|||
data); |
|||
*/ |
|||
bus_write(8, pa | (real_va & 3), data); |
|||
} |
|||
} |
|||
else { |
|||
mmu_wb_drain_all (state, WB ()); |
|||
|
|||
if (datatype == ARM_WORD_TYPE) |
|||
//mem_write_word (state, pa, data);
|
|||
bus_write(32, pa, data); |
|||
else if (datatype == ARM_HALFWORD_TYPE) |
|||
/*
|
|||
mem_write_halfword (state, |
|||
(pa | (real_va & 2)), |
|||
data); |
|||
*/ |
|||
bus_write(16, pa | (real_va & 2), data); |
|||
else if (datatype == ARM_BYTE_TYPE) |
|||
/*
|
|||
mem_write_byte (state, (pa | (real_va & 3)), |
|||
data); |
|||
*/ |
|||
bus_write(8, pa | (real_va & 3), data); |
|||
} |
|||
} |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
static fault_t |
|||
update_cache (ARMul_State * state, ARMword va, ARMword data, ARMword datatype, |
|||
cache_line_t * cache, cache_s * cache_t, ARMword real_va) |
|||
{ |
|||
ARMword temp, offset; |
|||
|
|||
ARMword index = va_cache_index (va, cache_t); |
|||
|
|||
//cache->data[index] = data;
|
|||
|
|||
if (datatype == ARM_WORD_TYPE) |
|||
cache->data[index] = data; |
|||
else if (datatype == ARM_HALFWORD_TYPE) { |
|||
temp = cache->data[index]; |
|||
offset = (((ARMword) state->bigendSig * 2) ^ (real_va & 2)) << 3; /* bit offset into the word */ |
|||
cache->data[index] = |
|||
(temp & ~(0xffffL << offset)) | ((data & 0xffffL) << |
|||
offset); |
|||
} |
|||
else if (datatype == ARM_BYTE_TYPE) { |
|||
temp = cache->data[index]; |
|||
offset = (((ARMword) state->bigendSig * 3) ^ (real_va & 3)) << 3; /* bit offset into the word */ |
|||
cache->data[index] = |
|||
(temp & ~(0xffL << offset)) | ((data & 0xffL) << |
|||
offset); |
|||
} |
|||
|
|||
if (index < (cache_t->width >> (WORD_SHT + 1))) |
|||
cache->tag |= TAG_FIRST_HALF_DIRTY; |
|||
else |
|||
cache->tag |= TAG_LAST_HALF_DIRTY; |
|||
|
|||
return NO_FAULT; |
|||
} |
|||
|
|||
ARMword |
|||
sa_mmu_mrc (ARMul_State * state, ARMword instr, ARMword * value) |
|||
{ |
|||
mmu_regnum_t creg = (mmu_regnum_t)(BITS (16, 19) & 15); |
|||
ARMword data; |
|||
|
|||
switch (creg) { |
|||
case MMU_ID: |
|||
// printf("mmu_mrc read ID ");
|
|||
data = 0x41007100; /* v3 */ |
|||
data = state->cpu->cpu_val; |
|||
break; |
|||
case MMU_CONTROL: |
|||
// printf("mmu_mrc read CONTROL");
|
|||
data = state->mmu.control; |
|||
break; |
|||
case MMU_TRANSLATION_TABLE_BASE: |
|||
// printf("mmu_mrc read TTB ");
|
|||
data = state->mmu.translation_table_base; |
|||
break; |
|||
case MMU_DOMAIN_ACCESS_CONTROL: |
|||
// printf("mmu_mrc read DACR ");
|
|||
data = state->mmu.domain_access_control; |
|||
break; |
|||
case MMU_FAULT_STATUS: |
|||
// printf("mmu_mrc read FSR ");
|
|||
data = state->mmu.fault_status; |
|||
break; |
|||
case MMU_FAULT_ADDRESS: |
|||
// printf("mmu_mrc read FAR ");
|
|||
data = state->mmu.fault_address; |
|||
break; |
|||
case MMU_PID: |
|||
data = state->mmu.process_id; |
|||
default: |
|||
printf ("mmu_mrc read UNKNOWN - reg %d\n", creg); |
|||
data = 0; |
|||
break; |
|||
} |
|||
// printf("\t\t\t\t\tpc = 0x%08x\n", state->Reg[15]);
|
|||
*value = data; |
|||
return data; |
|||
} |
|||
|
|||
void |
|||
sa_mmu_cache_ops (ARMul_State * state, ARMword instr, ARMword value) |
|||
{ |
|||
int CRm, OPC_2; |
|||
|
|||
CRm = BITS (0, 3); |
|||
OPC_2 = BITS (5, 7); |
|||
|
|||
if (OPC_2 == 0 && CRm == 7) { |
|||
mmu_cache_invalidate_all (state, I_CACHE ()); |
|||
mmu_cache_invalidate_all (state, MAIN_D_CACHE ()); |
|||
mmu_cache_invalidate_all (state, MINI_D_CACHE ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 0 && CRm == 5) { |
|||
mmu_cache_invalidate_all (state, I_CACHE ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 0 && CRm == 6) { |
|||
mmu_cache_invalidate_all (state, MAIN_D_CACHE ()); |
|||
mmu_cache_invalidate_all (state, MINI_D_CACHE ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 1 && CRm == 6) { |
|||
mmu_cache_invalidate (state, MAIN_D_CACHE (), value); |
|||
mmu_cache_invalidate (state, MINI_D_CACHE (), value); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 1 && CRm == 0xa) { |
|||
mmu_cache_clean (state, MAIN_D_CACHE (), value); |
|||
mmu_cache_clean (state, MINI_D_CACHE (), value); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 4 && CRm == 0xa) { |
|||
mmu_wb_drain_all (state, WB ()); |
|||
return; |
|||
} |
|||
ERROR_LOG(ARM11, "Unknow OPC_2 = %x CRm = %x\n", OPC_2, CRm); |
|||
} |
|||
|
|||
static void |
|||
sa_mmu_tlb_ops (ARMul_State * state, ARMword instr, ARMword value) |
|||
{ |
|||
int CRm, OPC_2; |
|||
|
|||
CRm = BITS (0, 3); |
|||
OPC_2 = BITS (5, 7); |
|||
|
|||
|
|||
if (OPC_2 == 0 && CRm == 0x7) { |
|||
mmu_tlb_invalidate_all (state, I_TLB ()); |
|||
mmu_tlb_invalidate_all (state, D_TLB ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 0 && CRm == 0x5) { |
|||
mmu_tlb_invalidate_all (state, I_TLB ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 0 && CRm == 0x6) { |
|||
mmu_tlb_invalidate_all (state, D_TLB ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 1 && CRm == 0x6) { |
|||
mmu_tlb_invalidate_entry (state, D_TLB (), value); |
|||
return; |
|||
} |
|||
|
|||
ERROR_LOG(ARM11, "Unknow OPC_2 = %x CRm = %x\n", OPC_2, CRm); |
|||
} |
|||
|
|||
static void |
|||
sa_mmu_rb_ops (ARMul_State * state, ARMword instr, ARMword value) |
|||
{ |
|||
int CRm, OPC_2; |
|||
|
|||
CRm = BITS (0, 3); |
|||
OPC_2 = BITS (5, 7); |
|||
|
|||
if (OPC_2 == 0x0 && CRm == 0x0) { |
|||
mmu_rb_invalidate_all (RB ()); |
|||
return; |
|||
} |
|||
|
|||
if (OPC_2 == 0x2) { |
|||
int idx = CRm & 0x3; |
|||
int type = ((CRm >> 2) & 0x3) + 1; |
|||
|
|||
if ((idx < 4) && (type < 4)) |
|||
mmu_rb_load (state, RB (), idx, type, value); |
|||
return; |
|||
} |
|||
|
|||
if ((OPC_2 == 1) && (CRm < 4)) { |
|||
mmu_rb_invalidate_entry (RB (), CRm); |
|||
return; |
|||
} |
|||
|
|||
ERROR_LOG(ARM11, "Unknow OPC_2 = %x CRm = %x\n", OPC_2, CRm); |
|||
} |
|||
|
|||
static ARMword |
|||
sa_mmu_mcr (ARMul_State * state, ARMword instr, ARMword value) |
|||
{ |
|||
mmu_regnum_t creg = (mmu_regnum_t)(BITS (16, 19) & 15); |
|||
if (!strncmp (state->cpu->cpu_arch_name, "armv4", 5)) { |
|||
switch (creg) { |
|||
case MMU_CONTROL: |
|||
// printf("mmu_mcr wrote CONTROL ");
|
|||
state->mmu.control = (value | 0x70) & 0xFFFD; |
|||
break; |
|||
case MMU_TRANSLATION_TABLE_BASE: |
|||
// printf("mmu_mcr wrote TTB ");
|
|||
state->mmu.translation_table_base = |
|||
value & 0xFFFFC000; |
|||
break; |
|||
case MMU_DOMAIN_ACCESS_CONTROL: |
|||
// printf("mmu_mcr wrote DACR ");
|
|||
state->mmu.domain_access_control = value; |
|||
break; |
|||
|
|||
case MMU_FAULT_STATUS: |
|||
state->mmu.fault_status = value & 0xFF; |
|||
break; |
|||
case MMU_FAULT_ADDRESS: |
|||
state->mmu.fault_address = value; |
|||
break; |
|||
|
|||
case MMU_CACHE_OPS: |
|||
sa_mmu_cache_ops (state, instr, value); |
|||
break; |
|||
case MMU_TLB_OPS: |
|||
sa_mmu_tlb_ops (state, instr, value); |
|||
break; |
|||
case MMU_SA_RB_OPS: |
|||
sa_mmu_rb_ops (state, instr, value); |
|||
break; |
|||
case MMU_SA_DEBUG: |
|||
break; |
|||
case MMU_SA_CP15_R15: |
|||
break; |
|||
case MMU_PID: |
|||
//2004-06-06 lyh, bug provided by wen ye wenye@cs.ucsb.edu
|
|||
state->mmu.process_id = value & 0x7e000000; |
|||
break; |
|||
|
|||
default: |
|||
printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); |
|||
break; |
|||
} |
|||
} |
|||
return 0; |
|||
} |
|||
|
|||
//teawater add for arm2x86 2005.06.24-------------------------------------------
|
|||
static int |
|||
sa_mmu_v2p_dbct (ARMul_State * state, ARMword virt_addr, ARMword * phys_addr) |
|||
{ |
|||
fault_t fault; |
|||
tlb_entry_t *tlb; |
|||
|
|||
virt_addr = mmu_pid_va_map (virt_addr); |
|||
if (MMU_Enabled) { |
|||
|
|||
/*align check */ |
|||
if ((virt_addr & (WORD_SIZE - 1)) && MMU_Aligned) { |
|||
DEBUG_LOG(ARM11, "align\n"); |
|||
return ALIGNMENT_FAULT; |
|||
} |
|||
else |
|||
virt_addr &= ~(WORD_SIZE - 1); |
|||
|
|||
/*translate tlb */ |
|||
fault = translate (state, virt_addr, I_TLB (), &tlb); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "translate\n"); |
|||
return fault; |
|||
} |
|||
|
|||
/*check access */ |
|||
fault = check_access (state, virt_addr, tlb, 1); |
|||
if (fault) { |
|||
DEBUG_LOG(ARM11, "check_fault\n"); |
|||
return fault; |
|||
} |
|||
} |
|||
|
|||
if (MMU_Disabled) { |
|||
*phys_addr = virt_addr; |
|||
} |
|||
else { |
|||
*phys_addr = tlb_va_to_pa (tlb, virt_addr); |
|||
} |
|||
|
|||
return (0); |
|||
} |
|||
|
|||
//AJ2D--------------------------------------------------------------------------
|
|||
|
|||
/*sa mmu_ops_t*/ |
|||
mmu_ops_t sa_mmu_ops = { |
|||
sa_mmu_init, |
|||
sa_mmu_exit, |
|||
sa_mmu_read_byte, |
|||
sa_mmu_write_byte, |
|||
sa_mmu_read_halfword, |
|||
sa_mmu_write_halfword, |
|||
sa_mmu_read_word, |
|||
sa_mmu_write_word, |
|||
sa_mmu_load_instr, |
|||
sa_mmu_mcr, |
|||
sa_mmu_mrc, |
|||
//teawater add for arm2x86 2005.06.24-------------------------------------------
|
|||
sa_mmu_v2p_dbct, |
|||
//AJ2D--------------------------------------------------------------------------
|
|||
}; |
|||
@ -1,58 +0,0 @@ |
|||
/* |
|||
sa_mmu.h - StrongARM Memory Management Unit emulation. |
|||
ARMulator extensions for SkyEye. |
|||
<lyhost@263.net> |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|||
*/ |
|||
|
|||
#ifndef _SA_MMU_H_ |
|||
#define _SA_MMU_H_ |
|||
|
|||
|
|||
/** |
|||
* The interface of read data from bus |
|||
*/ |
|||
int bus_read(short size, int addr, uint32_t * value); |
|||
|
|||
/** |
|||
* The interface of write data from bus |
|||
*/ |
|||
int bus_write(short size, int addr, uint32_t value); |
|||
|
|||
|
|||
typedef struct sa_mmu_s |
|||
{ |
|||
tlb_s i_tlb; |
|||
cache_s i_cache; |
|||
|
|||
tlb_s d_tlb; |
|||
cache_s main_d_cache; |
|||
cache_s mini_d_cache; |
|||
rb_s rb_t; |
|||
wb_s wb_t; |
|||
} sa_mmu_t; |
|||
|
|||
#define I_TLB() (&state->mmu.u.sa_mmu.i_tlb) |
|||
#define I_CACHE() (&state->mmu.u.sa_mmu.i_cache) |
|||
|
|||
#define D_TLB() (&state->mmu.u.sa_mmu.d_tlb) |
|||
#define MAIN_D_CACHE() (&state->mmu.u.sa_mmu.main_d_cache) |
|||
#define MINI_D_CACHE() (&state->mmu.u.sa_mmu.mini_d_cache) |
|||
#define WB() (&state->mmu.u.sa_mmu.wb_t) |
|||
#define RB() (&state->mmu.u.sa_mmu.rb_t) |
|||
|
|||
extern mmu_ops_t sa_mmu_ops; |
|||
#endif /*_SA_MMU_H_*/ |
|||
@ -1,307 +0,0 @@ |
|||
#include <assert.h>
|
|||
|
|||
#include "core/arm/interpreter/armdefs.h"
|
|||
|
|||
ARMword tlb_masks[] = { |
|||
0x00000000, /* TLB_INVALID */ |
|||
0xFFFFF000, /* TLB_SMALLPAGE */ |
|||
0xFFFF0000, /* TLB_LARGEPAGE */ |
|||
0xFFF00000, /* TLB_SECTION */ |
|||
0xFFFFF000, /*TLB_ESMALLPAGE, have TEX attirbute, only for XScale */ |
|||
0xFFFFFC00 /* TLB_TINYPAGE */ |
|||
}; |
|||
|
|||
/* This function encodes table 8-2 Interpreting AP bits,
|
|||
returning non-zero if access is allowed. */ |
|||
static int |
|||
check_perms (ARMul_State * state, int ap, int read) |
|||
{ |
|||
int s, r, user; |
|||
|
|||
s = state->mmu.control & CONTROL_SYSTEM; |
|||
r = state->mmu.control & CONTROL_ROM; |
|||
//chy 2006-02-15 , should consider system mode, don't conside 26bit mode
|
|||
user = (state->Mode == USER32MODE) || (state->Mode == USER26MODE) || (state->Mode == SYSTEM32MODE); |
|||
|
|||
switch (ap) { |
|||
case 0: |
|||
return read && ((s && !user) || r); |
|||
case 1: |
|||
return !user; |
|||
case 2: |
|||
return read || !user; |
|||
case 3: |
|||
return 1; |
|||
} |
|||
return 0; |
|||
} |
|||
|
|||
fault_t |
|||
check_access (ARMul_State * state, ARMword virt_addr, tlb_entry_t * tlb, |
|||
int read) |
|||
{ |
|||
int access; |
|||
|
|||
state->mmu.last_domain = tlb->domain; |
|||
access = (state->mmu.domain_access_control >> (tlb->domain * 2)) & 3; |
|||
if ((access == 0) || (access == 2)) { |
|||
/* It's unclear from the documentation whether this
|
|||
should always raise a section domain fault, or if |
|||
it should be a page domain fault in the case of an |
|||
L1 that describes a page table. In the ARM710T |
|||
datasheets, "Figure 8-9: Sequence for checking faults" |
|||
seems to indicate the former, while "Table 8-4: Priority |
|||
encoding of fault status" gives a value for FS[3210] in |
|||
the event of a domain fault for a page. Hmm. */ |
|||
return SECTION_DOMAIN_FAULT; |
|||
} |
|||
if (access == 1) { |
|||
/* client access - check perms */ |
|||
int subpage, ap; |
|||
|
|||
switch (tlb->mapping) { |
|||
/*ks 2004-05-09
|
|||
* only for XScale |
|||
* Extend Small Page(ESP) Format |
|||
* 31-12 bits the base addr of ESP |
|||
* 11-10 bits SBZ |
|||
* 9-6 bits TEX |
|||
* 5-4 bits AP |
|||
* 3 bit C |
|||
* 2 bit B |
|||
* 1-0 bits 11 |
|||
* */ |
|||
case TLB_ESMALLPAGE: //xj
|
|||
subpage = 0; |
|||
//printf("TLB_ESMALLPAGE virt_addr=0x%x \n",virt_addr );
|
|||
break; |
|||
|
|||
case TLB_TINYPAGE: |
|||
subpage = 0; |
|||
//printf("TLB_TINYPAGE virt_addr=0x%x \n",virt_addr );
|
|||
break; |
|||
|
|||
case TLB_SMALLPAGE: |
|||
subpage = (virt_addr >> 10) & 3; |
|||
break; |
|||
case TLB_LARGEPAGE: |
|||
subpage = (virt_addr >> 14) & 3; |
|||
break; |
|||
case TLB_SECTION: |
|||
subpage = 3; |
|||
break; |
|||
default: |
|||
assert (0); |
|||
subpage = 0; /* cleans a warning */ |
|||
} |
|||
ap = (tlb->perms >> (subpage * 2 + 4)) & 3; |
|||
if (!check_perms (state, ap, read)) { |
|||
if (tlb->mapping == TLB_SECTION) { |
|||
return SECTION_PERMISSION_FAULT; |
|||
} |
|||
else { |
|||
return SUBPAGE_PERMISSION_FAULT; |
|||
} |
|||
} |
|||
} |
|||
else { /* access == 3 */ |
|||
/* manager access - don't check perms */ |
|||
} |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
fault_t |
|||
translate (ARMul_State * state, ARMword virt_addr, tlb_s * tlb_t, |
|||
tlb_entry_t ** tlb) |
|||
{ |
|||
*tlb = mmu_tlb_search (state, tlb_t, virt_addr); |
|||
if (!*tlb) { |
|||
/* walk the translation tables */ |
|||
ARMword l1addr, l1desc; |
|||
tlb_entry_t entry; |
|||
|
|||
l1addr = state->mmu.translation_table_base & 0xFFFFC000; |
|||
l1addr = (l1addr | (virt_addr >> 18)) & ~3; |
|||
//l1desc = mem_read_word (state, l1addr);
|
|||
bus_read(32, l1addr, &l1desc); |
|||
switch (l1desc & 3) { |
|||
case 0: |
|||
/*
|
|||
* according to Figure 3-9 Sequence for checking faults in arm manual, |
|||
* section translation fault should be returned here. |
|||
*/ |
|||
{ |
|||
return SECTION_TRANSLATION_FAULT; |
|||
} |
|||
case 3: |
|||
/* fine page table */ |
|||
// dcl 2006-01-08
|
|||
{ |
|||
ARMword l2addr, l2desc; |
|||
|
|||
l2addr = l1desc & 0xFFFFF000; |
|||
l2addr = (l2addr | |
|||
((virt_addr & 0x000FFC00) >> 8)) & |
|||
~3; |
|||
//l2desc = mem_read_word (state, l2addr);
|
|||
bus_read(32, l2addr, &l2desc); |
|||
|
|||
entry.virt_addr = virt_addr; |
|||
entry.phys_addr = l2desc; |
|||
entry.perms = l2desc & 0x00000FFC; |
|||
entry.domain = (l1desc >> 5) & 0x0000000F; |
|||
switch (l2desc & 3) { |
|||
case 0: |
|||
state->mmu.last_domain = entry.domain; |
|||
return PAGE_TRANSLATION_FAULT; |
|||
case 3: |
|||
entry.mapping = TLB_TINYPAGE; |
|||
break; |
|||
case 1: |
|||
// this is untested
|
|||
entry.mapping = TLB_LARGEPAGE; |
|||
break; |
|||
case 2: |
|||
// this is untested
|
|||
entry.mapping = TLB_SMALLPAGE; |
|||
break; |
|||
} |
|||
} |
|||
break; |
|||
case 1: |
|||
/* coarse page table */ |
|||
{ |
|||
ARMword l2addr, l2desc; |
|||
|
|||
l2addr = l1desc & 0xFFFFFC00; |
|||
l2addr = (l2addr | |
|||
((virt_addr & 0x000FF000) >> 10)) & |
|||
~3; |
|||
//l2desc = mem_read_word (state, l2addr);
|
|||
bus_read(32, l2addr, &l2desc); |
|||
|
|||
entry.virt_addr = virt_addr; |
|||
entry.phys_addr = l2desc; |
|||
entry.perms = l2desc & 0x00000FFC; |
|||
entry.domain = (l1desc >> 5) & 0x0000000F; |
|||
//printf("SKYEYE:PAGE virt_addr = %x,l1desc=%x,phys_addr=%x\n",virt_addr,l1desc,entry.phys_addr);
|
|||
//chy 2003-09-02 for xscale
|
|||
switch (l2desc & 3) { |
|||
case 0: |
|||
state->mmu.last_domain = entry.domain; |
|||
return PAGE_TRANSLATION_FAULT; |
|||
case 3: |
|||
if (!state->is_XScale) { |
|||
state->mmu.last_domain = |
|||
entry.domain; |
|||
return PAGE_TRANSLATION_FAULT; |
|||
}; |
|||
//ks 2004-05-09 xscale shold use Extend Small Page
|
|||
//entry.mapping = TLB_SMALLPAGE;
|
|||
entry.mapping = TLB_ESMALLPAGE; //xj
|
|||
break; |
|||
case 1: |
|||
entry.mapping = TLB_LARGEPAGE; |
|||
break; |
|||
case 2: |
|||
entry.mapping = TLB_SMALLPAGE; |
|||
break; |
|||
} |
|||
} |
|||
break; |
|||
case 2: |
|||
/* section */ |
|||
//printf("SKYEYE:WARNING: not implement section mapping incompletely\n");
|
|||
//printf("SKYEYE:SECTION virt_addr = %x,l1desc=%x\n",virt_addr,l1desc);
|
|||
//return SECTION_DOMAIN_FAULT;
|
|||
//#if 0
|
|||
entry.virt_addr = virt_addr; |
|||
entry.phys_addr = l1desc; |
|||
entry.perms = l1desc & 0x00000C0C; |
|||
entry.domain = (l1desc >> 5) & 0x0000000F; |
|||
entry.mapping = TLB_SECTION; |
|||
break; |
|||
//#endif
|
|||
} |
|||
entry.virt_addr &= tlb_masks[entry.mapping]; |
|||
entry.phys_addr &= tlb_masks[entry.mapping]; |
|||
|
|||
/* place entry in the tlb */ |
|||
*tlb = &tlb_t->entrys[tlb_t->cycle]; |
|||
tlb_t->cycle = (tlb_t->cycle + 1) % tlb_t->num; |
|||
**tlb = entry; |
|||
} |
|||
state->mmu.last_domain = (*tlb)->domain; |
|||
return NO_FAULT; |
|||
} |
|||
|
|||
int |
|||
mmu_tlb_init (tlb_s * tlb_t, int num) |
|||
{ |
|||
tlb_entry_t *e; |
|||
int i; |
|||
|
|||
e = (tlb_entry_t *) malloc (sizeof (*e) * num); |
|||
if (e == NULL) { |
|||
ERROR_LOG(ARM11, "malloc size %d\n", sizeof (*e) * num); |
|||
goto tlb_malloc_error; |
|||
} |
|||
tlb_t->entrys = e; |
|||
for (i = 0; i < num; i++, e++) |
|||
e->mapping = TLB_INVALID; |
|||
tlb_t->cycle = 0; |
|||
tlb_t->num = num; |
|||
return 0; |
|||
|
|||
tlb_malloc_error: |
|||
return -1; |
|||
} |
|||
|
|||
void |
|||
mmu_tlb_exit (tlb_s * tlb_t) |
|||
{ |
|||
free (tlb_t->entrys); |
|||
}; |
|||
|
|||
void |
|||
mmu_tlb_invalidate_all (ARMul_State * state, tlb_s * tlb_t) |
|||
{ |
|||
int entry; |
|||
|
|||
for (entry = 0; entry < tlb_t->num; entry++) { |
|||
tlb_t->entrys[entry].mapping = TLB_INVALID; |
|||
} |
|||
tlb_t->cycle = 0; |
|||
} |
|||
|
|||
void |
|||
mmu_tlb_invalidate_entry (ARMul_State * state, tlb_s * tlb_t, ARMword addr) |
|||
{ |
|||
tlb_entry_t *tlb; |
|||
|
|||
tlb = mmu_tlb_search (state, tlb_t, addr); |
|||
if (tlb) { |
|||
tlb->mapping = TLB_INVALID; |
|||
} |
|||
} |
|||
|
|||
tlb_entry_t * |
|||
mmu_tlb_search (ARMul_State * state, tlb_s * tlb_t, ARMword virt_addr) |
|||
{ |
|||
int entry; |
|||
|
|||
for (entry = 0; entry < tlb_t->num; entry++) { |
|||
tlb_entry_t *tlb; |
|||
ARMword mask; |
|||
|
|||
tlb = &(tlb_t->entrys[entry]); |
|||
if (tlb->mapping == TLB_INVALID) { |
|||
continue; |
|||
} |
|||
mask = tlb_masks[tlb->mapping]; |
|||
if ((virt_addr & mask) == (tlb->virt_addr & mask)) { |
|||
return tlb; |
|||
} |
|||
} |
|||
return NULL; |
|||
} |
|||
@ -1,87 +0,0 @@ |
|||
#ifndef _MMU_TLB_H_ |
|||
#define _MMU_TLB_H_ |
|||
|
|||
typedef enum tlb_mapping_t |
|||
{ |
|||
TLB_INVALID = 0, |
|||
TLB_SMALLPAGE = 1, |
|||
TLB_LARGEPAGE = 2, |
|||
TLB_SECTION = 3, |
|||
TLB_ESMALLPAGE = 4, |
|||
TLB_TINYPAGE = 5 |
|||
} tlb_mapping_t; |
|||
|
|||
extern ARMword tlb_masks[]; |
|||
|
|||
/* Permissions bits in a TLB entry: |
|||
* |
|||
* 31 12 11 10 9 8 7 6 5 4 3 2 1 0 |
|||
* +-------------+-----+-----+-----+-----+---+---+-------+ |
|||
* Page:| | ap3 | ap2 | ap1 | ap0 | C | B | | |
|||
* +-------------+-----+-----+-----+-----+---+---+-------+ |
|||
* |
|||
* 31 12 11 10 9 4 3 2 1 0 |
|||
* +-------------+-----+-----------------+---+---+-------+ |
|||
* Section: | | AP | | C | B | | |
|||
* +-------------+-----+-----------------+---+---+-------+ |
|||
*/ |
|||
|
|||
/* |
|||
section: |
|||
section base address [31:20] |
|||
AP - table 8-2, page 8-8 |
|||
domain |
|||
C,B |
|||
|
|||
page: |
|||
page base address [31:16] or [31:12] |
|||
ap[3:0] |
|||
domain (from L1) |
|||
C,B |
|||
*/ |
|||
|
|||
|
|||
typedef struct tlb_entry_t |
|||
{ |
|||
ARMword virt_addr; |
|||
ARMword phys_addr; |
|||
ARMword perms; |
|||
ARMword domain; |
|||
tlb_mapping_t mapping; |
|||
} tlb_entry_t; |
|||
|
|||
typedef struct tlb_s |
|||
{ |
|||
int num; /*num of tlb entry */ |
|||
int cycle; /*current tlb cycle */ |
|||
tlb_entry_t *entrys; |
|||
} tlb_s; |
|||
|
|||
|
|||
#define tlb_c_flag(tlb) \ |
|||
((tlb)->perms & 0x8) |
|||
#define tlb_b_flag(tlb) \ |
|||
((tlb)->perms & 0x4) |
|||
|
|||
#define tlb_va_to_pa(tlb, va) ((tlb->phys_addr & tlb_masks[tlb->mapping]) | (va & ~tlb_masks[tlb->mapping])) |
|||
fault_t |
|||
check_access (ARMul_State * state, ARMword virt_addr, tlb_entry_t * tlb, |
|||
int read); |
|||
|
|||
fault_t |
|||
translate (ARMul_State * state, ARMword virt_addr, tlb_s * tlb_t, |
|||
tlb_entry_t ** tlb); |
|||
|
|||
int mmu_tlb_init (tlb_s * tlb_t, int num); |
|||
|
|||
void mmu_tlb_exit (tlb_s * tlb_t); |
|||
|
|||
void mmu_tlb_invalidate_all (ARMul_State * state, tlb_s * tlb_t); |
|||
|
|||
void |
|||
mmu_tlb_invalidate_entry (ARMul_State * state, tlb_s * tlb_t, ARMword addr); |
|||
|
|||
tlb_entry_t *mmu_tlb_search (ARMul_State * state, tlb_s * tlb_t, |
|||
ARMword virt_addr); |
|||
|
|||
#endif /*_MMU_TLB_H_*/ |
|||
@ -1,149 +0,0 @@ |
|||
#include "core/arm/interpreter/armdefs.h"
|
|||
|
|||
/* wb_init
|
|||
* @wb_t :wb_t to init |
|||
* @num :num of entrys |
|||
* @nb :num of byte of each entry |
|||
* |
|||
* $ -1:error |
|||
* 0:ok |
|||
* */ |
|||
int |
|||
mmu_wb_init (wb_s * wb_t, int num, int nb) |
|||
{ |
|||
int i; |
|||
wb_entry_t *entrys, *wb; |
|||
|
|||
entrys = (wb_entry_t *) malloc (sizeof (*entrys) * num); |
|||
if (entrys == NULL) { |
|||
ERROR_LOG(ARM11, "malloc size %d\n", sizeof (*entrys) * num); |
|||
goto entrys_malloc_error; |
|||
} |
|||
|
|||
for (wb = entrys, i = 0; i < num; i++, wb++) { |
|||
/*chy 2004-06-06, fix bug found by wenye@cs.ucsb.edu */ |
|||
//wb->data = (ARMword *)malloc(sizeof(ARMword) * nb);
|
|||
wb->data = (ARMbyte *) malloc (nb); |
|||
if (wb->data == NULL) { |
|||
ERROR_LOG(ARM11, "malloc size of %d\n", nb); |
|||
goto data_malloc_error; |
|||
} |
|||
|
|||
}; |
|||
|
|||
wb_t->first = wb_t->last = wb_t->used = 0; |
|||
wb_t->num = num; |
|||
wb_t->nb = nb; |
|||
wb_t->entrys = entrys; |
|||
return 0; |
|||
|
|||
data_malloc_error: |
|||
while (--i >= 0) |
|||
free (entrys[i].data); |
|||
free (entrys); |
|||
entrys_malloc_error: |
|||
return -1; |
|||
}; |
|||
|
|||
/* wb_exit
|
|||
* @wb_t :wb_t to exit |
|||
* */ |
|||
void |
|||
mmu_wb_exit (wb_s * wb_t) |
|||
{ |
|||
int i; |
|||
wb_entry_t *wb; |
|||
|
|||
wb = wb_t->entrys; |
|||
for (i = 0; i < wb_t->num; i++, wb++) { |
|||
free (wb->data); |
|||
} |
|||
free (wb_t->entrys); |
|||
}; |
|||
|
|||
/* wb_write_words :put words in Write Buffer
|
|||
* @state: ARMul_State |
|||
* @wb_t: write buffer |
|||
* @pa: physical address |
|||
* @data: data ptr |
|||
* @n number of word to write |
|||
* |
|||
* Note: write buffer merge is not implemented, can be done late |
|||
* */ |
|||
void |
|||
mmu_wb_write_bytes (ARMul_State * state, wb_s * wb_t, ARMword pa, |
|||
ARMbyte * data, int n) |
|||
{ |
|||
int i; |
|||
wb_entry_t *wb; |
|||
|
|||
while (n) { |
|||
if (wb_t->num == wb_t->used) { |
|||
/*clean the last wb entry */ |
|||
ARMword t; |
|||
|
|||
wb = &wb_t->entrys[wb_t->last]; |
|||
t = wb->pa; |
|||
for (i = 0; i < wb->nb; i++) { |
|||
//mem_write_byte (state, t, wb->data[i]);
|
|||
bus_write(8, t, wb->data[i]); |
|||
//t += WORD_SIZE;
|
|||
t++; |
|||
} |
|||
wb_t->last++; |
|||
if (wb_t->last == wb_t->num) |
|||
wb_t->last = 0; |
|||
wb_t->used--; |
|||
} |
|||
|
|||
wb = &wb_t->entrys[wb_t->first]; |
|||
i = (n < wb_t->nb) ? n : wb_t->nb; |
|||
|
|||
wb->pa = pa; |
|||
//pa += i << WORD_SHT;
|
|||
pa += i; |
|||
|
|||
wb->nb = i; |
|||
//memcpy(wb->data, data, i << WORD_SHT);
|
|||
memcpy (wb->data, data, i); |
|||
data += i; |
|||
n -= i; |
|||
wb_t->first++; |
|||
if (wb_t->first == wb_t->num) |
|||
wb_t->first = 0; |
|||
wb_t->used++; |
|||
}; |
|||
//teawater add for set_dirty fflash cache function 2005.07.18-------------------
|
|||
#ifdef DBCT
|
|||
if (!skyeye_config.no_dbct) { |
|||
tb_setdirty (state, pa, NULL); |
|||
} |
|||
#endif
|
|||
//AJ2D--------------------------------------------------------------------------
|
|||
} |
|||
|
|||
/* wb_drain_all
|
|||
* @wb_t wb_t to drain |
|||
* */ |
|||
void |
|||
mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t) |
|||
{ |
|||
ARMword pa; |
|||
wb_entry_t *wb; |
|||
int i; |
|||
|
|||
while (wb_t->used) { |
|||
wb = &wb_t->entrys[wb_t->last]; |
|||
pa = wb->pa; |
|||
for (i = 0; i < wb->nb; i++) { |
|||
//mem_write_byte (state, pa, wb->data[i]);
|
|||
bus_write(8, pa, wb->data[i]); |
|||
//pa += WORD_SIZE;
|
|||
pa++; |
|||
} |
|||
wb_t->last++; |
|||
if (wb_t->last == wb_t->num) |
|||
wb_t->last = 0; |
|||
wb_t->used--; |
|||
}; |
|||
} |
|||
@ -1,63 +0,0 @@ |
|||
#ifndef _MMU_WB_H_ |
|||
#define _MMU_WB_H_ |
|||
|
|||
typedef struct wb_entry_s |
|||
{ |
|||
ARMword pa; //phy_addr |
|||
ARMbyte *data; //data |
|||
int nb; //number byte to write |
|||
} wb_entry_t; |
|||
|
|||
typedef struct wb_s |
|||
{ |
|||
int num; //number of wb_entry |
|||
int nb; //number of byte of each entry |
|||
int first; // |
|||
int last; // |
|||
int used; // |
|||
wb_entry_t *entrys; |
|||
} wb_s; |
|||
|
|||
typedef struct wb_desc_s |
|||
{ |
|||
int num; |
|||
int nb; |
|||
} wb_desc_t; |
|||
|
|||
/* wb_init |
|||
* @wb_t :wb_t to init |
|||
* @num :num of entrys |
|||
* @nw :num of word of each entry |
|||
* |
|||
* $ -1:error |
|||
* 0:ok |
|||
* */ |
|||
int mmu_wb_init (wb_s * wb_t, int num, int nb); |
|||
|
|||
|
|||
/* wb_exit |
|||
* @wb_t :wb_t to exit |
|||
* */ |
|||
void mmu_wb_exit (wb_s * wb); |
|||
|
|||
|
|||
/* wb_write_bytes :put bytess in Write Buffer |
|||
* @state: ARMul_State |
|||
* @wb_t: write buffer |
|||
* @pa: physical address |
|||
* @data: data ptr |
|||
* @n number of byte to write |
|||
* |
|||
* Note: write buffer merge is not implemented, can be done late |
|||
* */ |
|||
void |
|||
mmu_wb_write_bytess (ARMul_State * state, wb_s * wb_t, ARMword pa, |
|||
ARMbyte * data, int n); |
|||
|
|||
|
|||
/* wb_drain_all |
|||
* @wb_t wb_t to drain |
|||
* */ |
|||
void mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t); |
|||
|
|||
#endif /*_MMU_WB_H_*/ |
|||
1391
src/core/arm/interpreter/mmu/xscale_copro.cpp
File diff suppressed because it is too large
View File
File diff suppressed because it is too large
View File
@ -0,0 +1,55 @@ |
|||
/* |
|||
skyeye_types.h - some data types definition for skyeye debugger |
|||
Copyright (C) 2003 Skyeye Develop Group |
|||
for help please send mail to <skyeye-developer@lists.sf.linuxforum.net> |
|||
|
|||
This program is free software; you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation; either version 2 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
This program is distributed in the hope that it will be useful, |
|||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
GNU General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with this program; if not, write to the Free Software |
|||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|||
|
|||
*/ |
|||
/* |
|||
* 12/16/2006 Michael.Kang <blackfin.kang@gmail.com> |
|||
*/ |
|||
|
|||
#ifndef __SKYEYE_TYPES_H |
|||
#define __SKYEYE_TYPES_H |
|||
|
|||
#include <stdint.h> |
|||
|
|||
/*default machine word length */ |
|||
|
|||
#ifndef __BEOS__ |
|||
/* To avoid the type conflict with the qemu */ |
|||
#ifndef QEMU |
|||
typedef uint8_t uint8; |
|||
typedef uint16_t uint16; |
|||
typedef uint32_t uint32; |
|||
typedef uint64_t uint64; |
|||
|
|||
typedef int8_t sint8; |
|||
typedef int16_t sint16; |
|||
typedef int32_t sint32; |
|||
typedef int64_t sint64; |
|||
#endif |
|||
|
|||
typedef uint32_t address_t; |
|||
typedef uint32_t uinteger_t; |
|||
typedef int32_t integer_t; |
|||
|
|||
typedef uint32_t physical_address_t; |
|||
typedef uint32_t generic_address_t; |
|||
|
|||
#endif |
|||
|
|||
#endif |
|||
@ -1,20 +0,0 @@ |
|||
// Copyright 2014 Citra Emulator Project |
|||
// Licensed under GPLv2 |
|||
// Refer to the license.txt file included. |
|||
|
|||
#pragma once |
|||
|
|||
#include "common/common_types.h" |
|||
|
|||
namespace HLE { |
|||
|
|||
/// Coprocessor operations |
|||
enum CoprocessorOperation { |
|||
DATA_SYNCHRONIZATION_BARRIER = 0xE0, |
|||
CALL_GET_THREAD_COMMAND_BUFFER = 0xE1, |
|||
}; |
|||
|
|||
/// Call an MRC (move to ARM register from coprocessor) instruction in HLE |
|||
s32 CallMRC(u32 instruction); |
|||
|
|||
} // namespace |
|||
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