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dyncom: Use ARMul_State as an object
dyncom: Use ARMul_State as an object
Gets rid of C-like parameter passing.pull/15/merge
12 changed files with 1023 additions and 1105 deletions
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4src/core/CMakeLists.txt
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11src/core/arm/dyncom/arm_dyncom.cpp
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365src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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93src/core/arm/dyncom/arm_dyncom_run.cpp
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21src/core/arm/dyncom/arm_dyncom_run.h
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100src/core/arm/skyeye_common/arminit.cpp
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104src/core/arm/skyeye_common/armmmu.h
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657src/core/arm/skyeye_common/armstate.cpp
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209src/core/arm/skyeye_common/armstate.h
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430src/core/arm/skyeye_common/armsupp.cpp
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8src/core/arm/skyeye_common/armsupp.h
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126src/core/arm/skyeye_common/vfp/vfpinstr.cpp
365
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -1,93 +0,0 @@ |
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// Copyright 2012 Michael Kang, 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/arm/dyncom/arm_dyncom_run.h"
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#include "core/arm/skyeye_common/armstate.h"
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void switch_mode(ARMul_State* core, uint32_t mode) { |
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if (core->Mode == mode) |
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return; |
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if (mode != USERBANK) { |
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switch (core->Mode) { |
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case SYSTEM32MODE: // Shares registers with user mode
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case USER32MODE: |
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core->Reg_usr[0] = core->Reg[13]; |
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core->Reg_usr[1] = core->Reg[14]; |
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break; |
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case IRQ32MODE: |
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core->Reg_irq[0] = core->Reg[13]; |
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core->Reg_irq[1] = core->Reg[14]; |
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core->Spsr[IRQBANK] = core->Spsr_copy; |
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break; |
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case SVC32MODE: |
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core->Reg_svc[0] = core->Reg[13]; |
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core->Reg_svc[1] = core->Reg[14]; |
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core->Spsr[SVCBANK] = core->Spsr_copy; |
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break; |
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case ABORT32MODE: |
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core->Reg_abort[0] = core->Reg[13]; |
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core->Reg_abort[1] = core->Reg[14]; |
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core->Spsr[ABORTBANK] = core->Spsr_copy; |
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break; |
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case UNDEF32MODE: |
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core->Reg_undef[0] = core->Reg[13]; |
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core->Reg_undef[1] = core->Reg[14]; |
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core->Spsr[UNDEFBANK] = core->Spsr_copy; |
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break; |
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case FIQ32MODE: |
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core->Reg_firq[0] = core->Reg[13]; |
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core->Reg_firq[1] = core->Reg[14]; |
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core->Spsr[FIQBANK] = core->Spsr_copy; |
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break; |
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} |
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|
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switch (mode) { |
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case USER32MODE: |
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core->Reg[13] = core->Reg_usr[0]; |
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core->Reg[14] = core->Reg_usr[1]; |
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core->Bank = USERBANK; |
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break; |
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case IRQ32MODE: |
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core->Reg[13] = core->Reg_irq[0]; |
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core->Reg[14] = core->Reg_irq[1]; |
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core->Spsr_copy = core->Spsr[IRQBANK]; |
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core->Bank = IRQBANK; |
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break; |
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case SVC32MODE: |
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core->Reg[13] = core->Reg_svc[0]; |
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core->Reg[14] = core->Reg_svc[1]; |
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core->Spsr_copy = core->Spsr[SVCBANK]; |
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core->Bank = SVCBANK; |
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break; |
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case ABORT32MODE: |
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core->Reg[13] = core->Reg_abort[0]; |
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core->Reg[14] = core->Reg_abort[1]; |
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core->Spsr_copy = core->Spsr[ABORTBANK]; |
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core->Bank = ABORTBANK; |
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break; |
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case UNDEF32MODE: |
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core->Reg[13] = core->Reg_undef[0]; |
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core->Reg[14] = core->Reg_undef[1]; |
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core->Spsr_copy = core->Spsr[UNDEFBANK]; |
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core->Bank = UNDEFBANK; |
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break; |
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case FIQ32MODE: |
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core->Reg[13] = core->Reg_firq[0]; |
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core->Reg[14] = core->Reg_firq[1]; |
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core->Spsr_copy = core->Spsr[FIQBANK]; |
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core->Bank = FIQBANK; |
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break; |
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case SYSTEM32MODE: // Shares registers with user mode.
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core->Reg[13] = core->Reg_usr[0]; |
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core->Reg[14] = core->Reg_usr[1]; |
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core->Bank = SYSTEMBANK; |
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break; |
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} |
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|
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// Set the mode bits in the APSR
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core->Cpsr = (core->Cpsr & ~core->Mode) | mode; |
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core->Mode = mode; |
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} |
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} |
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@ -1,100 +0,0 @@ |
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/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator.
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Copyright (C) 1994 Advanced RISC Machines Ltd. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(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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#include <cstring>
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#include "core/arm/skyeye_common/armstate.h"
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#include "core/arm/skyeye_common/vfp/vfp.h"
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// Resets certain MPCore CP15 values to their ARM-defined reset values.
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static void ResetMPCoreCP15Registers(ARMul_State* cpu) |
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{ |
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// c0
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cpu->CP15[CP15_MAIN_ID] = 0x410FB024; |
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cpu->CP15[CP15_TLB_TYPE] = 0x00000800; |
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cpu->CP15[CP15_PROCESSOR_FEATURE_0] = 0x00000111; |
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cpu->CP15[CP15_PROCESSOR_FEATURE_1] = 0x00000001; |
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cpu->CP15[CP15_DEBUG_FEATURE_0] = 0x00000002; |
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cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0] = 0x01100103; |
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cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1] = 0x10020302; |
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cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2] = 0x01222000; |
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cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3] = 0x00000000; |
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cpu->CP15[CP15_ISA_FEATURE_0] = 0x00100011; |
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cpu->CP15[CP15_ISA_FEATURE_1] = 0x12002111; |
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cpu->CP15[CP15_ISA_FEATURE_2] = 0x11221011; |
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cpu->CP15[CP15_ISA_FEATURE_3] = 0x01102131; |
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cpu->CP15[CP15_ISA_FEATURE_4] = 0x00000141; |
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// c1
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cpu->CP15[CP15_CONTROL] = 0x00054078; |
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cpu->CP15[CP15_AUXILIARY_CONTROL] = 0x0000000F; |
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cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = 0x00000000; |
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// c2
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cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = 0x00000000; |
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cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = 0x00000000; |
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cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = 0x00000000; |
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// c3
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cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = 0x00000000; |
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// c7
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cpu->CP15[CP15_PHYS_ADDRESS] = 0x00000000; |
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// c9
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cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = 0xFFFFFFF0; |
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// c10
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cpu->CP15[CP15_TLB_LOCKDOWN] = 0x00000000; |
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cpu->CP15[CP15_PRIMARY_REGION_REMAP] = 0x00098AA4; |
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cpu->CP15[CP15_NORMAL_REGION_REMAP] = 0x44E048E0; |
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// c13
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cpu->CP15[CP15_PID] = 0x00000000; |
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cpu->CP15[CP15_CONTEXT_ID] = 0x00000000; |
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cpu->CP15[CP15_THREAD_UPRW] = 0x00000000; |
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cpu->CP15[CP15_THREAD_URO] = 0x00000000; |
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cpu->CP15[CP15_THREAD_PRW] = 0x00000000; |
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// c15
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cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = 0x00000000; |
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cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = 0x00000000; |
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cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = 0x00000000; |
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cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = 0x00000000; |
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cpu->CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; |
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} |
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// Performs a reset
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void ARMul_Reset(ARMul_State* state) |
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{ |
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VFPInit(state); |
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state->Reg[15] = 0; |
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state->Cpsr = INTBITS | SVC32MODE; |
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state->Mode = SVC32MODE; |
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state->Bank = SVCBANK; |
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ResetMPCoreCP15Registers(state); |
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state->NresetSig = HIGH; |
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state->NfiqSig = HIGH; |
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state->NirqSig = HIGH; |
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state->NtransSig = (state->Mode & 3) ? HIGH : LOW; |
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state->abortSig = LOW; |
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state->NumInstrs = 0; |
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state->Emulate = RUN; |
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} |
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@ -1,104 +0,0 @@ |
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/* |
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armmmu.c - Memory Management Unit emulation. |
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ARMulator extensions for the ARM7100 family. |
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Copyright (C) 1999 Ben Williamson |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(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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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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#pragma once |
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#include "common/swap.h" |
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#include "core/memory.h" |
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#include "core/arm/skyeye_common/armstate.h" |
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#include "core/arm/skyeye_common/armsupp.h" |
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// Register numbers in the MMU |
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enum |
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{ |
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MMU_ID = 0, |
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MMU_CONTROL = 1, |
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MMU_TRANSLATION_TABLE_BASE = 2, |
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MMU_DOMAIN_ACCESS_CONTROL = 3, |
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MMU_FAULT_STATUS = 5, |
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MMU_FAULT_ADDRESS = 6, |
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MMU_CACHE_OPS = 7, |
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MMU_TLB_OPS = 8, |
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MMU_CACHE_LOCKDOWN = 9, |
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MMU_TLB_LOCKDOWN = 10, |
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MMU_PID = 13, |
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// MMU_V4 |
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MMU_V4_CACHE_OPS = 7, |
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MMU_V4_TLB_OPS = 8, |
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// MMU_V3 |
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MMU_V3_FLUSH_TLB = 5, |
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MMU_V3_FLUSH_TLB_ENTRY = 6, |
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MMU_V3_FLUSH_CACHE = 7, |
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}; |
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// Reads data in big/little endian format based on the |
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// state of the E (endian) bit in the emulated CPU's APSR. |
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inline u16 ReadMemory16(ARMul_State* cpu, u32 address) { |
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u16 data = Memory::Read16(address); |
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if (InBigEndianMode(cpu)) |
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data = Common::swap16(data); |
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return data; |
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} |
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inline u32 ReadMemory32(ARMul_State* cpu, u32 address) { |
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u32 data = Memory::Read32(address); |
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if (InBigEndianMode(cpu)) |
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data = Common::swap32(data); |
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return data; |
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} |
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inline u64 ReadMemory64(ARMul_State* cpu, u32 address) { |
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u64 data = Memory::Read64(address); |
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if (InBigEndianMode(cpu)) |
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data = Common::swap64(data); |
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return data; |
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} |
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// Writes data in big/little endian format based on the |
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// state of the E (endian) bit in the emulated CPU's APSR. |
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inline void WriteMemory16(ARMul_State* cpu, u32 address, u16 data) { |
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if (InBigEndianMode(cpu)) |
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data = Common::swap16(data); |
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Memory::Write16(address, data); |
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} |
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inline void WriteMemory32(ARMul_State* cpu, u32 address, u32 data) { |
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if (InBigEndianMode(cpu)) |
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data = Common::swap32(data); |
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Memory::Write32(address, data); |
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} |
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inline void WriteMemory64(ARMul_State* cpu, u32 address, u64 data) { |
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if (InBigEndianMode(cpu)) |
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data = Common::swap64(data); |
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Memory::Write64(address, data); |
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} |
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@ -0,0 +1,657 @@ |
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/swap.h"
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#include "common/logging/log.h"
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#include "core/mem_map.h"
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#include "core/memory.h"
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#include "core/arm/skyeye_common/armstate.h"
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#include "core/arm/skyeye_common/vfp/vfp.h"
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ARMul_State::ARMul_State(PrivilegeMode initial_mode) |
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{ |
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Reset(); |
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ChangePrivilegeMode(initial_mode); |
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} |
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void ARMul_State::ChangePrivilegeMode(u32 new_mode) |
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{ |
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if (Mode == new_mode) |
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return; |
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if (new_mode != USERBANK) { |
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switch (Mode) { |
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case SYSTEM32MODE: // Shares registers with user mode
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case USER32MODE: |
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Reg_usr[0] = Reg[13]; |
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Reg_usr[1] = Reg[14]; |
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break; |
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case IRQ32MODE: |
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Reg_irq[0] = Reg[13]; |
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Reg_irq[1] = Reg[14]; |
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Spsr[IRQBANK] = Spsr_copy; |
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break; |
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case SVC32MODE: |
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Reg_svc[0] = Reg[13]; |
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Reg_svc[1] = Reg[14]; |
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Spsr[SVCBANK] = Spsr_copy; |
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break; |
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case ABORT32MODE: |
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Reg_abort[0] = Reg[13]; |
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Reg_abort[1] = Reg[14]; |
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Spsr[ABORTBANK] = Spsr_copy; |
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break; |
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case UNDEF32MODE: |
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Reg_undef[0] = Reg[13]; |
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Reg_undef[1] = Reg[14]; |
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Spsr[UNDEFBANK] = Spsr_copy; |
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break; |
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case FIQ32MODE: |
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Reg_firq[0] = Reg[13]; |
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Reg_firq[1] = Reg[14]; |
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Spsr[FIQBANK] = Spsr_copy; |
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break; |
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} |
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switch (new_mode) { |
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case USER32MODE: |
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Reg[13] = Reg_usr[0]; |
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Reg[14] = Reg_usr[1]; |
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Bank = USERBANK; |
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break; |
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case IRQ32MODE: |
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Reg[13] = Reg_irq[0]; |
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Reg[14] = Reg_irq[1]; |
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Spsr_copy = Spsr[IRQBANK]; |
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Bank = IRQBANK; |
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break; |
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case SVC32MODE: |
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Reg[13] = Reg_svc[0]; |
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Reg[14] = Reg_svc[1]; |
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Spsr_copy = Spsr[SVCBANK]; |
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Bank = SVCBANK; |
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break; |
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case ABORT32MODE: |
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Reg[13] = Reg_abort[0]; |
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Reg[14] = Reg_abort[1]; |
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Spsr_copy = Spsr[ABORTBANK]; |
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Bank = ABORTBANK; |
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break; |
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case UNDEF32MODE: |
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Reg[13] = Reg_undef[0]; |
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Reg[14] = Reg_undef[1]; |
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Spsr_copy = Spsr[UNDEFBANK]; |
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Bank = UNDEFBANK; |
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break; |
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case FIQ32MODE: |
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Reg[13] = Reg_firq[0]; |
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Reg[14] = Reg_firq[1]; |
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Spsr_copy = Spsr[FIQBANK]; |
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Bank = FIQBANK; |
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break; |
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case SYSTEM32MODE: // Shares registers with user mode.
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Reg[13] = Reg_usr[0]; |
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Reg[14] = Reg_usr[1]; |
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Bank = SYSTEMBANK; |
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break; |
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} |
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|
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// Set the mode bits in the APSR
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Cpsr = (Cpsr & ~Mode) | new_mode; |
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Mode = new_mode; |
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} |
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} |
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|
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// Performs a reset
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void ARMul_State::Reset() |
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{ |
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VFPInit(this); |
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|
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// Set stack pointer to the top of the stack
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Reg[13] = 0x10000000; |
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Reg[15] = 0; |
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|
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Cpsr = INTBITS | SVC32MODE; |
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Mode = SVC32MODE; |
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Bank = SVCBANK; |
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ResetMPCoreCP15Registers(); |
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|
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NresetSig = HIGH; |
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NfiqSig = HIGH; |
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NirqSig = HIGH; |
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NtransSig = (Mode & 3) ? HIGH : LOW; |
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abortSig = LOW; |
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|
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NumInstrs = 0; |
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Emulate = RUN; |
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} |
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|
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// Resets certain MPCore CP15 values to their ARM-defined reset values.
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void ARMul_State::ResetMPCoreCP15Registers() |
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{ |
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// c0
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CP15[CP15_MAIN_ID] = 0x410FB024; |
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CP15[CP15_TLB_TYPE] = 0x00000800; |
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CP15[CP15_PROCESSOR_FEATURE_0] = 0x00000111; |
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CP15[CP15_PROCESSOR_FEATURE_1] = 0x00000001; |
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CP15[CP15_DEBUG_FEATURE_0] = 0x00000002; |
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CP15[CP15_MEMORY_MODEL_FEATURE_0] = 0x01100103; |
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CP15[CP15_MEMORY_MODEL_FEATURE_1] = 0x10020302; |
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CP15[CP15_MEMORY_MODEL_FEATURE_2] = 0x01222000; |
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CP15[CP15_MEMORY_MODEL_FEATURE_3] = 0x00000000; |
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CP15[CP15_ISA_FEATURE_0] = 0x00100011; |
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CP15[CP15_ISA_FEATURE_1] = 0x12002111; |
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CP15[CP15_ISA_FEATURE_2] = 0x11221011; |
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CP15[CP15_ISA_FEATURE_3] = 0x01102131; |
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CP15[CP15_ISA_FEATURE_4] = 0x00000141; |
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|
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// c1
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CP15[CP15_CONTROL] = 0x00054078; |
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CP15[CP15_AUXILIARY_CONTROL] = 0x0000000F; |
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CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = 0x00000000; |
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|
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// c2
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CP15[CP15_TRANSLATION_BASE_TABLE_0] = 0x00000000; |
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CP15[CP15_TRANSLATION_BASE_TABLE_1] = 0x00000000; |
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CP15[CP15_TRANSLATION_BASE_CONTROL] = 0x00000000; |
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|
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// c3
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CP15[CP15_DOMAIN_ACCESS_CONTROL] = 0x00000000; |
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|
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// c7
|
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CP15[CP15_PHYS_ADDRESS] = 0x00000000; |
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|
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// c9
|
|||
CP15[CP15_DATA_CACHE_LOCKDOWN] = 0xFFFFFFF0; |
|||
|
|||
// c10
|
|||
CP15[CP15_TLB_LOCKDOWN] = 0x00000000; |
|||
CP15[CP15_PRIMARY_REGION_REMAP] = 0x00098AA4; |
|||
CP15[CP15_NORMAL_REGION_REMAP] = 0x44E048E0; |
|||
|
|||
// c13
|
|||
CP15[CP15_PID] = 0x00000000; |
|||
CP15[CP15_CONTEXT_ID] = 0x00000000; |
|||
CP15[CP15_THREAD_UPRW] = 0x00000000; |
|||
CP15[CP15_THREAD_URO] = 0x00000000; |
|||
CP15[CP15_THREAD_PRW] = 0x00000000; |
|||
|
|||
// c15
|
|||
CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = 0x00000000; |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = 0x00000000; |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = 0x00000000; |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = 0x00000000; |
|||
CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; |
|||
} |
|||
|
|||
u16 ARMul_State::ReadMemory16(u32 address) const |
|||
{ |
|||
u16 data = Memory::Read16(address); |
|||
|
|||
if (InBigEndianMode()) |
|||
data = Common::swap16(data); |
|||
|
|||
return data; |
|||
} |
|||
|
|||
u32 ARMul_State::ReadMemory32(u32 address) const |
|||
{ |
|||
u32 data = Memory::Read32(address); |
|||
|
|||
if (InBigEndianMode()) |
|||
data = Common::swap32(data); |
|||
|
|||
return data; |
|||
} |
|||
|
|||
u64 ARMul_State::ReadMemory64(u32 address) const |
|||
{ |
|||
u64 data = Memory::Read64(address); |
|||
|
|||
if (InBigEndianMode()) |
|||
data = Common::swap64(data); |
|||
|
|||
return data; |
|||
} |
|||
|
|||
void ARMul_State::WriteMemory16(u32 address, u16 data) |
|||
{ |
|||
if (InBigEndianMode()) |
|||
data = Common::swap16(data); |
|||
|
|||
Memory::Write16(address, data); |
|||
} |
|||
|
|||
void ARMul_State::WriteMemory32(u32 address, u32 data) |
|||
{ |
|||
if (InBigEndianMode()) |
|||
data = Common::swap32(data); |
|||
|
|||
Memory::Write32(address, data); |
|||
} |
|||
|
|||
void ARMul_State::WriteMemory64(u32 address, u64 data) |
|||
{ |
|||
if (InBigEndianMode()) |
|||
data = Common::swap64(data); |
|||
|
|||
Memory::Write64(address, data); |
|||
} |
|||
|
|||
|
|||
// Reads from the CP15 registers. Used with implementation of the MRC instruction.
|
|||
// Note that since the 3DS does not have the hypervisor extensions, these registers
|
|||
// are not implemented.
|
|||
u32 ARMul_State::ReadCP15Register(u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) const |
|||
{ |
|||
// Unprivileged registers
|
|||
if (crn == 13 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_THREAD_UPRW]; |
|||
|
|||
if (opcode_2 == 3) |
|||
return CP15[CP15_THREAD_URO]; |
|||
} |
|||
|
|||
if (InAPrivilegedMode()) |
|||
{ |
|||
if (crn == 0 && opcode_1 == 0) |
|||
{ |
|||
if (crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_MAIN_ID]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_CACHE_TYPE]; |
|||
|
|||
if (opcode_2 == 3) |
|||
return CP15[CP15_TLB_TYPE]; |
|||
|
|||
if (opcode_2 == 5) |
|||
return CP15[CP15_CPU_ID]; |
|||
} |
|||
else if (crm == 1) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_PROCESSOR_FEATURE_0]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_PROCESSOR_FEATURE_1]; |
|||
|
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_DEBUG_FEATURE_0]; |
|||
|
|||
if (opcode_2 == 4) |
|||
return CP15[CP15_MEMORY_MODEL_FEATURE_0]; |
|||
|
|||
if (opcode_2 == 5) |
|||
return CP15[CP15_MEMORY_MODEL_FEATURE_1]; |
|||
|
|||
if (opcode_2 == 6) |
|||
return CP15[CP15_MEMORY_MODEL_FEATURE_2]; |
|||
|
|||
if (opcode_2 == 7) |
|||
return CP15[CP15_MEMORY_MODEL_FEATURE_3]; |
|||
} |
|||
else if (crm == 2) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_ISA_FEATURE_0]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_ISA_FEATURE_1]; |
|||
|
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_ISA_FEATURE_2]; |
|||
|
|||
if (opcode_2 == 3) |
|||
return CP15[CP15_ISA_FEATURE_3]; |
|||
|
|||
if (opcode_2 == 4) |
|||
return CP15[CP15_ISA_FEATURE_4]; |
|||
} |
|||
} |
|||
|
|||
if (crn == 1 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_CONTROL]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_AUXILIARY_CONTROL]; |
|||
|
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_COPROCESSOR_ACCESS_CONTROL]; |
|||
} |
|||
|
|||
if (crn == 2 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_TRANSLATION_BASE_TABLE_0]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_TRANSLATION_BASE_TABLE_1]; |
|||
|
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_TRANSLATION_BASE_CONTROL]; |
|||
} |
|||
|
|||
if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) |
|||
return CP15[CP15_DOMAIN_ACCESS_CONTROL]; |
|||
|
|||
if (crn == 5 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_FAULT_STATUS]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_INSTR_FAULT_STATUS]; |
|||
} |
|||
|
|||
if (crn == 6 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_FAULT_ADDRESS]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_WFAR]; |
|||
} |
|||
|
|||
if (crn == 7 && opcode_1 == 0 && crm == 4 && opcode_2 == 0) |
|||
return CP15[CP15_PHYS_ADDRESS]; |
|||
|
|||
if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) |
|||
return CP15[CP15_DATA_CACHE_LOCKDOWN]; |
|||
|
|||
if (crn == 10 && opcode_1 == 0) |
|||
{ |
|||
if (crm == 0 && opcode_2 == 0) |
|||
return CP15[CP15_TLB_LOCKDOWN]; |
|||
|
|||
if (crm == 2) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_PRIMARY_REGION_REMAP]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_NORMAL_REGION_REMAP]; |
|||
} |
|||
} |
|||
|
|||
if (crn == 13 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_PID]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_CONTEXT_ID]; |
|||
|
|||
if (opcode_2 == 4) |
|||
return CP15[CP15_THREAD_PRW]; |
|||
} |
|||
|
|||
if (crn == 15) |
|||
{ |
|||
if (opcode_1 == 0 && crm == 12) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
return CP15[CP15_PERFORMANCE_MONITOR_CONTROL]; |
|||
|
|||
if (opcode_2 == 1) |
|||
return CP15[CP15_CYCLE_COUNTER]; |
|||
|
|||
if (opcode_2 == 2) |
|||
return CP15[CP15_COUNT_0]; |
|||
|
|||
if (opcode_2 == 3) |
|||
return CP15[CP15_COUNT_1]; |
|||
} |
|||
|
|||
if (opcode_1 == 5 && opcode_2 == 2) |
|||
{ |
|||
if (crm == 5) |
|||
return CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS]; |
|||
|
|||
if (crm == 6) |
|||
return CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS]; |
|||
|
|||
if (crm == 7) |
|||
return CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE]; |
|||
} |
|||
|
|||
if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) |
|||
return CP15[CP15_TLB_DEBUG_CONTROL]; |
|||
} |
|||
} |
|||
|
|||
LOG_ERROR(Core_ARM11, "MRC CRn=%u, CRm=%u, OP1=%u OP2=%u is not implemented. Returning zero.", crn, crm, opcode_1, opcode_2); |
|||
return 0; |
|||
} |
|||
|
|||
// Write to the CP15 registers. Used with implementation of the MCR instruction.
|
|||
// Note that since the 3DS does not have the hypervisor extensions, these registers
|
|||
// are not implemented.
|
|||
void ARMul_State::WriteCP15Register(u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) |
|||
{ |
|||
if (InAPrivilegedMode()) |
|||
{ |
|||
if (crn == 1 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_CONTROL] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_AUXILIARY_CONTROL] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = value; |
|||
} |
|||
else if (crn == 2 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_TRANSLATION_BASE_TABLE_0] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_TRANSLATION_BASE_TABLE_1] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_TRANSLATION_BASE_CONTROL] = value; |
|||
} |
|||
else if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) |
|||
{ |
|||
CP15[CP15_DOMAIN_ACCESS_CONTROL] = value; |
|||
} |
|||
else if (crn == 5 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_FAULT_STATUS] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INSTR_FAULT_STATUS] = value; |
|||
} |
|||
else if (crn == 6 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_FAULT_ADDRESS] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_WFAR] = value; |
|||
} |
|||
else if (crn == 7 && opcode_1 == 0) |
|||
{ |
|||
if (crm == 0 && opcode_2 == 4) |
|||
{ |
|||
CP15[CP15_WAIT_FOR_INTERRUPT] = value; |
|||
} |
|||
else if (crm == 4 && opcode_2 == 0) |
|||
{ |
|||
// NOTE: Not entirely accurate. This should do permission checks.
|
|||
CP15[CP15_PHYS_ADDRESS] = Memory::VirtualToPhysicalAddress(value); |
|||
} |
|||
else if (crm == 5) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_INVALIDATE_INSTR_CACHE] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INVALIDATE_INSTR_CACHE_USING_MVA] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_INVALIDATE_INSTR_CACHE_USING_INDEX] = value; |
|||
else if (opcode_2 == 6) |
|||
CP15[CP15_FLUSH_BRANCH_TARGET_CACHE] = value; |
|||
else if (opcode_2 == 7) |
|||
CP15[CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY] = value; |
|||
} |
|||
else if (crm == 6) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_INVALIDATE_DATA_CACHE] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; |
|||
} |
|||
else if (crm == 7 && opcode_2 == 0) |
|||
{ |
|||
CP15[CP15_INVALIDATE_DATA_AND_INSTR_CACHE] = value; |
|||
} |
|||
else if (crm == 10) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_CLEAN_DATA_CACHE] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_MVA] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX] = value; |
|||
} |
|||
else if (crm == 14) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; |
|||
} |
|||
} |
|||
else if (crn == 8 && opcode_1 == 0) |
|||
{ |
|||
if (crm == 5) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_INVALIDATE_ITLB] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INVALIDATE_ITLB_SINGLE_ENTRY] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH] = value; |
|||
else if (opcode_2 == 3) |
|||
CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_MVA] = value; |
|||
} |
|||
else if (crm == 6) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_INVALIDATE_DTLB] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INVALIDATE_DTLB_SINGLE_ENTRY] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH] = value; |
|||
else if (opcode_2 == 3) |
|||
CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_MVA] = value; |
|||
} |
|||
else if (crm == 7) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_INVALIDATE_UTLB] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_INVALIDATE_UTLB_SINGLE_ENTRY] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH] = value; |
|||
else if (opcode_2 == 3) |
|||
CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_MVA] = value; |
|||
} |
|||
} |
|||
else if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) |
|||
{ |
|||
CP15[CP15_DATA_CACHE_LOCKDOWN] = value; |
|||
} |
|||
else if (crn == 10 && opcode_1 == 0) |
|||
{ |
|||
if (crm == 0 && opcode_2 == 0) |
|||
{ |
|||
CP15[CP15_TLB_LOCKDOWN] = value; |
|||
} |
|||
else if (crm == 2) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_PRIMARY_REGION_REMAP] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_NORMAL_REGION_REMAP] = value; |
|||
} |
|||
} |
|||
else if (crn == 13 && opcode_1 == 0 && crm == 0) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_PID] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_CONTEXT_ID] = value; |
|||
else if (opcode_2 == 3) |
|||
CP15[CP15_THREAD_URO] = value; |
|||
else if (opcode_2 == 4) |
|||
CP15[CP15_THREAD_PRW] = value; |
|||
} |
|||
else if (crn == 15) |
|||
{ |
|||
if (opcode_1 == 0 && crm == 12) |
|||
{ |
|||
if (opcode_2 == 0) |
|||
CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = value; |
|||
else if (opcode_2 == 1) |
|||
CP15[CP15_CYCLE_COUNTER] = value; |
|||
else if (opcode_2 == 2) |
|||
CP15[CP15_COUNT_0] = value; |
|||
else if (opcode_2 == 3) |
|||
CP15[CP15_COUNT_1] = value; |
|||
} |
|||
else if (opcode_1 == 5) |
|||
{ |
|||
if (crm == 4) |
|||
{ |
|||
if (opcode_2 == 2) |
|||
CP15[CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY] = value; |
|||
else if (opcode_2 == 4) |
|||
CP15[CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY] = value; |
|||
} |
|||
else if (crm == 5 && opcode_2 == 2) |
|||
{ |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = value; |
|||
} |
|||
else if (crm == 6 && opcode_2 == 2) |
|||
{ |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = value; |
|||
} |
|||
else if (crm == 7 && opcode_2 == 2) |
|||
{ |
|||
CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = value; |
|||
} |
|||
} |
|||
else if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) |
|||
{ |
|||
CP15[CP15_TLB_DEBUG_CONTROL] = value; |
|||
} |
|||
} |
|||
} |
|||
|
|||
// Unprivileged registers
|
|||
if (crn == 7 && opcode_1 == 0 && crm == 5 && opcode_2 == 4) |
|||
{ |
|||
CP15[CP15_FLUSH_PREFETCH_BUFFER] = value; |
|||
} |
|||
else if (crn == 7 && opcode_1 == 0 && crm == 10) |
|||
{ |
|||
if (opcode_2 == 4) |
|||
CP15[CP15_DATA_SYNC_BARRIER] = value; |
|||
else if (opcode_2 == 5) |
|||
CP15[CP15_DATA_MEMORY_BARRIER] = value; |
|||
} |
|||
else if (crn == 13 && opcode_1 == 0 && crm == 0 && opcode_2 == 2) |
|||
{ |
|||
CP15[CP15_THREAD_UPRW] = value; |
|||
} |
|||
} |
|||
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