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pull/15/merge
bunnei 12 years ago
parent
e05be0145c
commit
4860480c36
10 changed files with 6796 additions and 6796 deletions
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  1. 188
      src/core/src/arm/arm_regformat.h
  2. 72
      src/core/src/arm/armcpu.h
  3. 550
      src/core/src/arm/armdefs.h
  4. 10884
      src/core/src/arm/armemu.cpp
  5. 1620
      src/core/src/arm/mmu/arm1176jzf_s_mmu.cpp
  6. 10
      src/core/src/arm/mmu/arm1176jzf_s_mmu.h
  7. 116
      src/core/src/arm/mmu/cache.h
  8. 34
      src/core/src/arm/mmu/rb.h
  9. 74
      src/core/src/arm/mmu/tlb.h
  10. 44
      src/core/src/arm/mmu/wb.h

188
src/core/src/arm/arm_regformat.h
View File

@ -2,101 +2,101 @@
#define __ARM_REGFORMAT_H__
enum arm_regno{
R0 = 0,
R1,
R2,
R3,
R4,
R5,
R6,
R7,
R8,
R9,
R10,
R11,
R12,
R13,
LR,
R15, //PC,
CPSR_REG,
SPSR_REG,
R0 = 0,
R1,
R2,
R3,
R4,
R5,
R6,
R7,
R8,
R9,
R10,
R11,
R12,
R13,
LR,
R15, //PC,
CPSR_REG,
SPSR_REG,
#if 1
PHYS_PC,
R13_USR,
R14_USR,
R13_SVC,
R14_SVC,
R13_ABORT,
R14_ABORT,
R13_UNDEF,
R14_UNDEF,
R13_IRQ,
R14_IRQ,
R8_FIRQ,
R9_FIRQ,
R10_FIRQ,
R11_FIRQ,
R12_FIRQ,
R13_FIRQ,
R14_FIRQ,
SPSR_INVALID1,
SPSR_INVALID2,
SPSR_SVC,
SPSR_ABORT,
SPSR_UNDEF,
SPSR_IRQ,
SPSR_FIRQ,
MODE_REG, /* That is the cpsr[4 : 0], just for calculation easily */
BANK_REG,
EXCLUSIVE_TAG,
EXCLUSIVE_STATE,
EXCLUSIVE_RESULT,
CP15_BASE,
CP15_C0 = CP15_BASE,
CP15_C0_C0 = CP15_C0,
CP15_MAIN_ID = CP15_C0_C0,
CP15_CACHE_TYPE,
CP15_TCM_STATUS,
CP15_TLB_TYPE,
CP15_C0_C1,
CP15_PROCESSOR_FEATURE_0 = CP15_C0_C1,
CP15_PROCESSOR_FEATURE_1,
CP15_DEBUG_FEATURE_0,
CP15_AUXILIARY_FEATURE_0,
CP15_C1_C0,
CP15_CONTROL = CP15_C1_C0,
CP15_AUXILIARY_CONTROL,
CP15_COPROCESSOR_ACCESS_CONTROL,
CP15_C2,
CP15_C2_C0 = CP15_C2,
CP15_TRANSLATION_BASE = CP15_C2_C0,
CP15_TRANSLATION_BASE_TABLE_0 = CP15_TRANSLATION_BASE,
CP15_TRANSLATION_BASE_TABLE_1,
CP15_TRANSLATION_BASE_CONTROL,
CP15_DOMAIN_ACCESS_CONTROL,
CP15_RESERVED,
/* Fault status */
CP15_FAULT_STATUS,
CP15_INSTR_FAULT_STATUS,
CP15_COMBINED_DATA_FSR = CP15_FAULT_STATUS,
CP15_INST_FSR,
/* Fault Address register */
CP15_FAULT_ADDRESS,
CP15_COMBINED_DATA_FAR = CP15_FAULT_ADDRESS,
CP15_WFAR,
CP15_IFAR,
CP15_PID,
CP15_CONTEXT_ID,
CP15_THREAD_URO,
CP15_TLB_FAULT_ADDR, /* defined by SkyEye */
CP15_TLB_FAULT_STATUS, /* defined by SkyEye */
/* VFP registers */
VFP_BASE,
VFP_FPSID = VFP_BASE,
VFP_FPSCR,
VFP_FPEXC,
#endif
MAX_REG_NUM,
PHYS_PC,
R13_USR,
R14_USR,
R13_SVC,
R14_SVC,
R13_ABORT,
R14_ABORT,
R13_UNDEF,
R14_UNDEF,
R13_IRQ,
R14_IRQ,
R8_FIRQ,
R9_FIRQ,
R10_FIRQ,
R11_FIRQ,
R12_FIRQ,
R13_FIRQ,
R14_FIRQ,
SPSR_INVALID1,
SPSR_INVALID2,
SPSR_SVC,
SPSR_ABORT,
SPSR_UNDEF,
SPSR_IRQ,
SPSR_FIRQ,
MODE_REG, /* That is the cpsr[4 : 0], just for calculation easily */
BANK_REG,
EXCLUSIVE_TAG,
EXCLUSIVE_STATE,
EXCLUSIVE_RESULT,
CP15_BASE,
CP15_C0 = CP15_BASE,
CP15_C0_C0 = CP15_C0,
CP15_MAIN_ID = CP15_C0_C0,
CP15_CACHE_TYPE,
CP15_TCM_STATUS,
CP15_TLB_TYPE,
CP15_C0_C1,
CP15_PROCESSOR_FEATURE_0 = CP15_C0_C1,
CP15_PROCESSOR_FEATURE_1,
CP15_DEBUG_FEATURE_0,
CP15_AUXILIARY_FEATURE_0,
CP15_C1_C0,
CP15_CONTROL = CP15_C1_C0,
CP15_AUXILIARY_CONTROL,
CP15_COPROCESSOR_ACCESS_CONTROL,
CP15_C2,
CP15_C2_C0 = CP15_C2,
CP15_TRANSLATION_BASE = CP15_C2_C0,
CP15_TRANSLATION_BASE_TABLE_0 = CP15_TRANSLATION_BASE,
CP15_TRANSLATION_BASE_TABLE_1,
CP15_TRANSLATION_BASE_CONTROL,
CP15_DOMAIN_ACCESS_CONTROL,
CP15_RESERVED,
/* Fault status */
CP15_FAULT_STATUS,
CP15_INSTR_FAULT_STATUS,
CP15_COMBINED_DATA_FSR = CP15_FAULT_STATUS,
CP15_INST_FSR,
/* Fault Address register */
CP15_FAULT_ADDRESS,
CP15_COMBINED_DATA_FAR = CP15_FAULT_ADDRESS,
CP15_WFAR,
CP15_IFAR,
CP15_PID,
CP15_CONTEXT_ID,
CP15_THREAD_URO,
CP15_TLB_FAULT_ADDR, /* defined by SkyEye */
CP15_TLB_FAULT_STATUS, /* defined by SkyEye */
/* VFP registers */
VFP_BASE,
VFP_FPSID = VFP_BASE,
VFP_FPSCR,
VFP_FPEXC,
#endif
MAX_REG_NUM,
};
#define VFP_OFFSET(x) (x - VFP_BASE)

72
src/core/src/arm/armcpu.h
View File

@ -1,21 +1,21 @@
/*
* arm
* armcpu.h
* arm
* armcpu.h
*
* Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net)
* Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ARM_CPU_H__
@ -32,19 +32,19 @@
typedef struct ARM_CPU_State_s {
ARMul_State * core;
uint32_t core_num;
/* The core id that boot from
*/
uint32_t boot_core_id;
ARMul_State * core;
uint32_t core_num;
/* The core id that boot from
*/
uint32_t boot_core_id;
}ARM_CPU_State;
//static ARM_CPU_State* get_current_cpu(){
// machine_config_t* mach = get_current_mach();
// /* Casting a conf_obj_t to ARM_CPU_State type */
// ARM_CPU_State* cpu = (ARM_CPU_State*)mach->cpu_data->obj;
// machine_config_t* mach = get_current_mach();
// /* Casting a conf_obj_t to ARM_CPU_State type */
// ARM_CPU_State* cpu = (ARM_CPU_State*)mach->cpu_data->obj;
//
// return cpu;
// return cpu;
//}
/**
@ -53,8 +53,8 @@ typedef struct ARM_CPU_State_s {
* @return
*/
//static ARMul_State* get_boot_core(){
// ARM_CPU_State* cpu = get_current_cpu();
// return &cpu->core[cpu->boot_core_id];
// ARM_CPU_State* cpu = get_current_cpu();
// return &cpu->core[cpu->boot_core_id];
//}
/**
* @brief Get the instance of running core
@ -62,19 +62,19 @@ typedef struct ARM_CPU_State_s {
* @return the core instance
*/
//static ARMul_State* get_current_core(){
// /* Casting a conf_obj_t to ARM_CPU_State type */
// int id = Common::CurrentThreadId();
// /* If thread is not in running mode, we should give the boot core */
// if(get_thread_state(id) != Running_state){
// return get_boot_core();
// }
// /* Judge if we are running in paralell or sequenial */
// if(thread_exist(id)){
// conf_object_t* conf_obj = get_current_exec_priv(id);
// return (ARMul_State*)get_cast_conf_obj(conf_obj, "arm_core_t");
// }
// /* Casting a conf_obj_t to ARM_CPU_State type */
// int id = Common::CurrentThreadId();
// /* If thread is not in running mode, we should give the boot core */
// if(get_thread_state(id) != Running_state){
// return get_boot_core();
// }
// /* Judge if we are running in paralell or sequenial */
// if(thread_exist(id)){
// conf_object_t* conf_obj = get_current_exec_priv(id);
// return (ARMul_State*)get_cast_conf_obj(conf_obj, "arm_core_t");
// }
//
// return NULL;
// return NULL;
//}
#define CURRENT_CORE get_current_core()

550
src/core/src/arm/armdefs.h
View File

@ -89,7 +89,7 @@
#endif
//#define DBCT_TEST_SPEED
#define DBCT_TEST_SPEED_SEC 10
#define DBCT_TEST_SPEED_SEC 10
//AJ2D--------------------------------------------------------------------------
//teawater add compile switch for DBCT GDB RSP function 2005.10.21--------------
@ -99,9 +99,9 @@
//#include <skyeye_defs.h>
//#include <skyeye_types.h>
#define ARM_BYTE_TYPE 0
#define ARM_HALFWORD_TYPE 1
#define ARM_WORD_TYPE 2
#define ARM_BYTE_TYPE 0
#define ARM_HALFWORD_TYPE 1
#define ARM_WORD_TYPE 2
//the define of cachetype
#define NONCACHE 0
@ -112,10 +112,10 @@
typedef char *VoidStar;
#endif
typedef unsigned long long ARMdword; /* must be 64 bits wide */
typedef unsigned int ARMword; /* must be 32 bits wide */
typedef unsigned char ARMbyte; /* must be 8 bits wide */
typedef unsigned short ARMhword; /* must be 16 bits wide */
typedef unsigned long long ARMdword; /* must be 64 bits wide */
typedef unsigned int ARMword; /* must be 32 bits wide */
typedef unsigned char ARMbyte; /* must be 8 bits wide */
typedef unsigned short ARMhword; /* must be 16 bits wide */
typedef struct ARMul_State ARMul_State;
typedef struct ARMul_io ARMul_io;
typedef struct ARMul_Energy ARMul_Energy;
@ -152,59 +152,59 @@ typedef unsigned long long uint64_t;
typedef unsigned ARMul_CPInits (ARMul_State * state);
typedef unsigned ARMul_CPExits (ARMul_State * state);
typedef unsigned ARMul_LDCs (ARMul_State * state, unsigned type,
ARMword instr, ARMword value);
ARMword instr, ARMword value);
typedef unsigned ARMul_STCs (ARMul_State * state, unsigned type,
ARMword instr, ARMword * value);
ARMword instr, ARMword * value);
typedef unsigned ARMul_MRCs (ARMul_State * state, unsigned type,
ARMword instr, ARMword * value);
ARMword instr, ARMword * value);
typedef unsigned ARMul_MCRs (ARMul_State * state, unsigned type,
ARMword instr, ARMword value);
ARMword instr, ARMword value);
typedef unsigned ARMul_MRRCs (ARMul_State * state, unsigned type,
ARMword instr, ARMword * value1, ARMword * value2);
ARMword instr, ARMword * value1, ARMword * value2);
typedef unsigned ARMul_MCRRs (ARMul_State * state, unsigned type,
ARMword instr, ARMword value1, ARMword value2);
ARMword instr, ARMword value1, ARMword value2);
typedef unsigned ARMul_CDPs (ARMul_State * state, unsigned type,
ARMword instr);
ARMword instr);
typedef unsigned ARMul_CPReads (ARMul_State * state, unsigned reg,
ARMword * value);
ARMword * value);
typedef unsigned ARMul_CPWrites (ARMul_State * state, unsigned reg,
ARMword value);
ARMword value);
//added by ksh,2004-3-5
struct ARMul_io
{
ARMword *instr; //to display the current interrupt state
ARMword *net_flag; //to judge if network is enabled
ARMword *net_int; //netcard interrupt
//ywc,2004-04-01
ARMword *ts_int;
ARMword *ts_is_enable;
ARMword *ts_addr_begin;
ARMword *ts_addr_end;
ARMword *ts_buffer;
ARMword *instr; //to display the current interrupt state
ARMword *net_flag; //to judge if network is enabled
ARMword *net_int; //netcard interrupt
//ywc,2004-04-01
ARMword *ts_int;
ARMword *ts_is_enable;
ARMword *ts_addr_begin;
ARMword *ts_addr_end;
ARMword *ts_buffer;
};
/* added by ksh,2004-11-26,some energy profiling */
struct ARMul_Energy
{
int energy_prof; /* <tktan> BUG200103282109 : for energy profiling */
int enable_func_energy; /* <tktan> BUG200105181702 */
char *func_energy;
int func_display; /* <tktan> BUG200103311509 : for function call display */
int func_disp_start; /* <tktan> BUG200104191428 : to start func profiling */
char *start_func; /* <tktan> BUG200104191428 */
FILE *outfile; /* <tktan> BUG200105201531 : direct console to file */
long long tcycle, pcycle;
float t_energy;
void *cur_task; /* <tktan> BUG200103291737 */
long long t_mem_cycle, t_idle_cycle, t_uart_cycle;
long long p_mem_cycle, p_idle_cycle, p_uart_cycle;
long long p_io_update_tcycle;
/*record CCCR,to get current core frequency */
ARMword cccr;
int energy_prof; /* <tktan> BUG200103282109 : for energy profiling */
int enable_func_energy; /* <tktan> BUG200105181702 */
char *func_energy;
int func_display; /* <tktan> BUG200103311509 : for function call display */
int func_disp_start; /* <tktan> BUG200104191428 : to start func profiling */
char *start_func; /* <tktan> BUG200104191428 */
FILE *outfile; /* <tktan> BUG200105201531 : direct console to file */
long long tcycle, pcycle;
float t_energy;
void *cur_task; /* <tktan> BUG200103291737 */
long long t_mem_cycle, t_idle_cycle, t_uart_cycle;
long long p_mem_cycle, p_idle_cycle, p_uart_cycle;
long long p_io_update_tcycle;
/*record CCCR,to get current core frequency */
ARMword cccr;
};
#if 0
#define MAX_BANK 8
@ -212,119 +212,119 @@ struct ARMul_Energy
typedef struct mem_bank
{
ARMword (*read_byte) (ARMul_State * state, ARMword addr);
void (*write_byte) (ARMul_State * state, ARMword addr, ARMword data);
ARMword (*read_halfword) (ARMul_State * state, ARMword addr);
void (*write_halfword) (ARMul_State * state, ARMword addr,
ARMword data);
ARMword (*read_word) (ARMul_State * state, ARMword addr);
void (*write_word) (ARMul_State * state, ARMword addr, ARMword data);
unsigned int addr, len;
char filename[MAX_STR];
unsigned type; //chy 2003-09-21: maybe io,ram,rom
ARMword (*read_byte) (ARMul_State * state, ARMword addr);
void (*write_byte) (ARMul_State * state, ARMword addr, ARMword data);
ARMword (*read_halfword) (ARMul_State * state, ARMword addr);
void (*write_halfword) (ARMul_State * state, ARMword addr,
ARMword data);
ARMword (*read_word) (ARMul_State * state, ARMword addr);
void (*write_word) (ARMul_State * state, ARMword addr, ARMword data);
unsigned int addr, len;
char filename[MAX_STR];
unsigned type; //chy 2003-09-21: maybe io,ram,rom
} mem_bank_t;
typedef struct
{
int bank_num;
int current_num; /*current num of bank */
mem_bank_t mem_banks[MAX_BANK];
int bank_num;
int current_num; /*current num of bank */
mem_bank_t mem_banks[MAX_BANK];
} mem_config_t;
#endif
#define VFP_REG_NUM 64
struct ARMul_State
{
ARMword Emulate; /* to start and stop emulation */
unsigned EndCondition; /* reason for stopping */
unsigned ErrorCode; /* type of illegal instruction */
/* Order of the following register should not be modified */
ARMword Reg[16]; /* the current register file */
ARMword Cpsr; /* the current psr */
ARMword Spsr_copy;
ARMword phys_pc;
ARMword Reg_usr[2];
ARMword Reg_svc[2]; /* R13_SVC R14_SVC */
ARMword Reg_abort[2]; /* R13_ABORT R14_ABORT */
ARMword Reg_undef[2]; /* R13 UNDEF R14 UNDEF */
ARMword Reg_irq[2]; /* R13_IRQ R14_IRQ */
ARMword Reg_firq[7]; /* R8---R14 FIRQ */
ARMword Spsr[7]; /* the exception psr's */
ARMword Mode; /* the current mode */
ARMword Bank; /* the current register bank */
ARMword exclusive_tag;
ARMword exclusive_state;
ARMword exclusive_result;
ARMword CP15[VFP_BASE - CP15_BASE];
ARMword VFP[3]; /* FPSID, FPSCR, and FPEXC */
/* VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31).
VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31),
and only 32 singleword registers are accessible (S0-S31). */
ARMword ExtReg[VFP_REG_NUM];
/* ---- End of the ordered registers ---- */
ARMword RegBank[7][16]; /* all the registers */
//chy:2003-08-19, used in arm xscale
/* 40 bit accumulator. We always keep this 64 bits wide,
and move only 40 bits out of it in an MRA insn. */
ARMdword Accumulator;
ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */
ARMword Emulate; /* to start and stop emulation */
unsigned EndCondition; /* reason for stopping */
unsigned ErrorCode; /* type of illegal instruction */
/* Order of the following register should not be modified */
ARMword Reg[16]; /* the current register file */
ARMword Cpsr; /* the current psr */
ARMword Spsr_copy;
ARMword phys_pc;
ARMword Reg_usr[2];
ARMword Reg_svc[2]; /* R13_SVC R14_SVC */
ARMword Reg_abort[2]; /* R13_ABORT R14_ABORT */
ARMword Reg_undef[2]; /* R13 UNDEF R14 UNDEF */
ARMword Reg_irq[2]; /* R13_IRQ R14_IRQ */
ARMword Reg_firq[7]; /* R8---R14 FIRQ */
ARMword Spsr[7]; /* the exception psr's */
ARMword Mode; /* the current mode */
ARMword Bank; /* the current register bank */
ARMword exclusive_tag;
ARMword exclusive_state;
ARMword exclusive_result;
ARMword CP15[VFP_BASE - CP15_BASE];
ARMword VFP[3]; /* FPSID, FPSCR, and FPEXC */
/* VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31).
VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31),
and only 32 singleword registers are accessible (S0-S31). */
ARMword ExtReg[VFP_REG_NUM];
/* ---- End of the ordered registers ---- */
ARMword RegBank[7][16]; /* all the registers */
//chy:2003-08-19, used in arm xscale
/* 40 bit accumulator. We always keep this 64 bits wide,
and move only 40 bits out of it in an MRA insn. */
ARMdword Accumulator;
ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */
unsigned long long int icounter, debug_icounter, kernel_icounter;
unsigned int shifter_carry_out;
//ARMword translate_pc;
/* add armv6 flags dyf:2010-08-09 */
ARMword GEFlag, EFlag, AFlag, QFlags;
//chy:2003-08-19, used in arm v5e|xscale
ARMword SFlag;
/* add armv6 flags dyf:2010-08-09 */
ARMword GEFlag, EFlag, AFlag, QFlags;
//chy:2003-08-19, used in arm v5e|xscale
ARMword SFlag;
#ifdef MODET
ARMword TFlag; /* Thumb state */
ARMword TFlag; /* Thumb state */
#endif
ARMword instr, pc, temp; /* saved register state */
ARMword loaded, decoded; /* saved pipeline state */
//chy 2006-04-12 for ICE breakpoint
ARMword loaded_addr, decoded_addr; /* saved pipeline state addr*/
unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */
unsigned long long NumInstrs; /* the number of instructions executed */
unsigned NextInstr;
unsigned VectorCatch; /* caught exception mask */
unsigned CallDebug; /* set to call the debugger */
unsigned CanWatch; /* set by memory interface if its willing to suffer the
overhead of checking for watchpoints on each memory
access */
unsigned int StopHandle;
char *CommandLine; /* Command Line from ARMsd */
ARMul_CPInits *CPInit[16]; /* coprocessor initialisers */
ARMul_CPExits *CPExit[16]; /* coprocessor finalisers */
ARMul_LDCs *LDC[16]; /* LDC instruction */
ARMul_STCs *STC[16]; /* STC instruction */
ARMul_MRCs *MRC[16]; /* MRC instruction */
ARMul_MCRs *MCR[16]; /* MCR instruction */
ARMul_MRRCs *MRRC[16]; /* MRRC instruction */
ARMul_MCRRs *MCRR[16]; /* MCRR instruction */
ARMul_CDPs *CDP[16]; /* CDP instruction */
ARMul_CPReads *CPRead[16]; /* Read CP register */
ARMul_CPWrites *CPWrite[16]; /* Write CP register */
unsigned char *CPData[16]; /* Coprocessor data */
unsigned char const *CPRegWords[16]; /* map of coprocessor register sizes */
unsigned EventSet; /* the number of events in the queue */
unsigned int Now; /* time to the nearest cycle */
struct EventNode **EventPtr; /* the event list */
unsigned Debug; /* show instructions as they are executed */
unsigned NresetSig; /* reset the processor */
unsigned NfiqSig;
unsigned NirqSig;
unsigned abortSig;
unsigned NtransSig;
unsigned bigendSig;
unsigned prog32Sig;
unsigned data32Sig;
unsigned syscallSig;
ARMword instr, pc, temp; /* saved register state */
ARMword loaded, decoded; /* saved pipeline state */
//chy 2006-04-12 for ICE breakpoint
ARMword loaded_addr, decoded_addr; /* saved pipeline state addr*/
unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */
unsigned long long NumInstrs; /* the number of instructions executed */
unsigned NextInstr;
unsigned VectorCatch; /* caught exception mask */
unsigned CallDebug; /* set to call the debugger */
unsigned CanWatch; /* set by memory interface if its willing to suffer the
overhead of checking for watchpoints on each memory
access */
unsigned int StopHandle;
char *CommandLine; /* Command Line from ARMsd */
ARMul_CPInits *CPInit[16]; /* coprocessor initialisers */
ARMul_CPExits *CPExit[16]; /* coprocessor finalisers */
ARMul_LDCs *LDC[16]; /* LDC instruction */
ARMul_STCs *STC[16]; /* STC instruction */
ARMul_MRCs *MRC[16]; /* MRC instruction */
ARMul_MCRs *MCR[16]; /* MCR instruction */
ARMul_MRRCs *MRRC[16]; /* MRRC instruction */
ARMul_MCRRs *MCRR[16]; /* MCRR instruction */
ARMul_CDPs *CDP[16]; /* CDP instruction */
ARMul_CPReads *CPRead[16]; /* Read CP register */
ARMul_CPWrites *CPWrite[16]; /* Write CP register */
unsigned char *CPData[16]; /* Coprocessor data */
unsigned char const *CPRegWords[16]; /* map of coprocessor register sizes */
unsigned EventSet; /* the number of events in the queue */
unsigned int Now; /* time to the nearest cycle */
struct EventNode **EventPtr; /* the event list */
unsigned Debug; /* show instructions as they are executed */
unsigned NresetSig; /* reset the processor */
unsigned NfiqSig;
unsigned NirqSig;
unsigned abortSig;
unsigned NtransSig;
unsigned bigendSig;
unsigned prog32Sig;
unsigned data32Sig;
unsigned syscallSig;
/* 2004-05-09 chy
----------------------------------------------------------
@ -357,115 +357,115 @@ on later processors, this bit reads as 1 and ignores writes.
So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model)
if lateabtSig=0, then it means Base Restored Abort Model
*/
unsigned lateabtSig;
ARMword Vector; /* synthesize aborts in cycle modes */
ARMword Aborted; /* sticky flag for aborts */
ARMword Reseted; /* sticky flag for Reset */
ARMword Inted, LastInted; /* sticky flags for interrupts */
ARMword Base; /* extra hand for base writeback */
ARMword AbortAddr; /* to keep track of Prefetch aborts */
const struct Dbg_HostosInterface *hostif;
int verbose; /* non-zero means print various messages like the banner */
mmu_state_t mmu;
int mmu_inited;
//mem_state_t mem;
/*remove io_state to skyeye_mach_*.c files */
//io_state_t io;
/* point to a interrupt pending register. now for skyeye-ne2k.c
* later should move somewhere. e.g machine_config_t*/
//chy: 2003-08-11, for different arm core type
unsigned is_v4; /* Are we emulating a v4 architecture (or higher) ? */
unsigned is_v5; /* Are we emulating a v5 architecture ? */
unsigned is_v5e; /* Are we emulating a v5e architecture ? */
unsigned is_v6; /* Are we emulating a v6 architecture ? */
unsigned is_v7; /* Are we emulating a v7 architecture ? */
unsigned is_XScale; /* Are we emulating an XScale architecture ? */
unsigned is_iWMMXt; /* Are we emulating an iWMMXt co-processor ? */
unsigned is_ep9312; /* Are we emulating a Cirrus Maverick co-processor ? */
//chy 2005-09-19
unsigned is_pxa27x; /* Are we emulating a Intel PXA27x co-processor ? */
//chy: seems only used in xscale's CP14
unsigned int LastTime; /* Value of last call to ARMul_Time() */
ARMword CP14R0_CCD; /* used to count 64 clock cycles with CP14 R0 bit 3 set */
unsigned lateabtSig;
ARMword Vector; /* synthesize aborts in cycle modes */
ARMword Aborted; /* sticky flag for aborts */
ARMword Reseted; /* sticky flag for Reset */
ARMword Inted, LastInted; /* sticky flags for interrupts */
ARMword Base; /* extra hand for base writeback */
ARMword AbortAddr; /* to keep track of Prefetch aborts */
const struct Dbg_HostosInterface *hostif;
int verbose; /* non-zero means print various messages like the banner */
mmu_state_t mmu;
int mmu_inited;
//mem_state_t mem;
/*remove io_state to skyeye_mach_*.c files */
//io_state_t io;
/* point to a interrupt pending register. now for skyeye-ne2k.c
* later should move somewhere. e.g machine_config_t*/
//chy: 2003-08-11, for different arm core type
unsigned is_v4; /* Are we emulating a v4 architecture (or higher) ? */
unsigned is_v5; /* Are we emulating a v5 architecture ? */
unsigned is_v5e; /* Are we emulating a v5e architecture ? */
unsigned is_v6; /* Are we emulating a v6 architecture ? */
unsigned is_v7; /* Are we emulating a v7 architecture ? */
unsigned is_XScale; /* Are we emulating an XScale architecture ? */
unsigned is_iWMMXt; /* Are we emulating an iWMMXt co-processor ? */
unsigned is_ep9312; /* Are we emulating a Cirrus Maverick co-processor ? */
//chy 2005-09-19
unsigned is_pxa27x; /* Are we emulating a Intel PXA27x co-processor ? */
//chy: seems only used in xscale's CP14
unsigned int LastTime; /* Value of last call to ARMul_Time() */
ARMword CP14R0_CCD; /* used to count 64 clock cycles with CP14 R0 bit 3 set */
//added by ksh:for handle different machs io 2004-3-5
ARMul_io mach_io;
ARMul_io mach_io;
/*added by ksh,2004-11-26,some energy profiling*/
ARMul_Energy energy;
ARMul_Energy energy;
//teawater add for next_dis 2004.10.27-----------------------
int disassemble;
int disassemble;
//AJ2D------------------------------------------
//teawater add for arm2x86 2005.02.15-------------------------------------------
u32 trap;
u32 tea_break_addr;
u32 tea_break_ok;
int tea_pc;
u32 trap;
u32 tea_break_addr;
u32 tea_break_ok;
int tea_pc;
//AJ2D--------------------------------------------------------------------------
//teawater add for arm2x86 2005.07.03-------------------------------------------
/*
* 2007-01-24 removed the term-io functions by Anthony Lee,
* moved to "device/uart/skyeye_uart_stdio.c".
*/
/*
* 2007-01-24 removed the term-io functions by Anthony Lee,
* moved to "device/uart/skyeye_uart_stdio.c".
*/
//AJ2D--------------------------------------------------------------------------
//teawater add for arm2x86 2005.07.05-------------------------------------------
//arm_arm A2-18
int abort_model; //0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model
//arm_arm A2-18
int abort_model; //0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model
//AJ2D--------------------------------------------------------------------------
//teawater change for return if running tb dirty 2005.07.09---------------------
void *tb_now;
void *tb_now;
//AJ2D--------------------------------------------------------------------------
//teawater add for record reg value to ./reg.txt 2005.07.10---------------------
FILE *tea_reg_fd;
FILE *tea_reg_fd;
//AJ2D--------------------------------------------------------------------------
/*added by ksh in 2005-10-1*/
cpu_config_t *cpu;
//mem_config_t *mem_bank;
cpu_config_t *cpu;
//mem_config_t *mem_bank;
/* added LPC remap function */
int vector_remap_flag;
u32 vector_remap_addr;
u32 vector_remap_size;
u32 step;
u32 cycle;
int stop_simulator;
conf_object_t *dyncom_cpu;
int vector_remap_flag;
u32 vector_remap_addr;
u32 vector_remap_size;
u32 step;
u32 cycle;
int stop_simulator;
conf_object_t *dyncom_cpu;
//teawater add DBCT_TEST_SPEED 2005.10.04---------------------------------------
#ifdef DBCT_TEST_SPEED
uint64_t instr_count;
#endif //DBCT_TEST_SPEED
// FILE * state_log;
uint64_t instr_count;
#endif //DBCT_TEST_SPEED
// FILE * state_log;
//diff log
//#if DIFF_STATE
FILE * state_log;
FILE * state_log;
//#endif
/* monitored memory for exclusice access */
ARMword exclusive_tag_array[128];
/* 1 means exclusive access and 0 means open access */
ARMword exclusive_access_state;
memory_space_intf space;
u32 CurrInstr;
u32 last_pc; /* the last pc executed */
u32 last_instr; /* the last inst executed */
u32 WriteAddr[17];
u32 WriteData[17];
u32 WritePc[17];
u32 CurrWrite;
/* monitored memory for exclusice access */
ARMword exclusive_tag_array[128];
/* 1 means exclusive access and 0 means open access */
ARMword exclusive_access_state;
memory_space_intf space;
u32 CurrInstr;
u32 last_pc; /* the last pc executed */
u32 last_instr; /* the last inst executed */
u32 WriteAddr[17];
u32 WriteData[17];
u32 WritePc[17];
u32 CurrWrite;
};
#define DIFF_WRITE 0
@ -510,7 +510,7 @@ typedef ARMul_State arm_core_t;
#define ARM61 ARM2
#define ARM3 ARM2
#ifdef ARM60 /* previous definition in armopts.h */
#ifdef ARM60 /* previous definition in armopts.h */
#undef ARM60
#endif
@ -526,9 +526,9 @@ typedef ARMul_State arm_core_t;
* Macros to extract instruction fields *
\***************************************************************************/
#define BIT(n) ( (ARMword)(instr>>(n))&1) /* bit n of instruction */
#define BITS(m,n) ( (ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) ) /* bits m to n of instr */
#define TOPBITS(n) (instr >> (n)) /* bits 31 to n of instr */
#define BIT(n) ( (ARMword)(instr>>(n))&1) /* bit n of instruction */
#define BITS(m,n) ( (ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) ) /* bits m to n of instr */
#define TOPBITS(n) (instr >> (n)) /* bits 31 to n of instr */
/***************************************************************************\
* The hardware vector addresses *
@ -542,7 +542,7 @@ typedef ARMul_State arm_core_t;
#define ARMAddrExceptnV 20L
#define ARMIRQV 24L
#define ARMFIQV 28L
#define ARMErrorV 32L /* This is an offset, not an address ! */
#define ARMErrorV 32L /* This is an offset, not an address ! */
#define ARMul_ResetV ARMResetV
#define ARMul_UndefinedInstrV ARMUndefinedInstrV
@ -598,7 +598,7 @@ extern "C" {
extern void ARMul_EmulateInit (void);
extern void ARMul_Reset (ARMul_State * state);
#ifdef __cplusplus
}
}
#endif
extern ARMul_State *ARMul_NewState (ARMul_State * state);
extern ARMword ARMul_DoProg (ARMul_State * state);
@ -608,7 +608,7 @@ extern ARMword ARMul_DoInstr (ARMul_State * state);
\***************************************************************************/
extern void ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay,
unsigned (*func) ());
unsigned (*func) ());
extern void ARMul_EnvokeEvent (ARMul_State * state);
extern unsigned int ARMul_Time (ARMul_State * state);
@ -617,9 +617,9 @@ extern unsigned int ARMul_Time (ARMul_State * state);
\***************************************************************************/
extern ARMword ARMul_GetReg (ARMul_State * state, unsigned mode,
unsigned reg);
unsigned reg);
extern void ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg,
ARMword value);
ARMword value);
extern ARMword ARMul_GetPC (ARMul_State * state);
extern ARMword ARMul_GetNextPC (ARMul_State * state);
extern void ARMul_SetPC (ARMul_State * state, ARMword value);
@ -637,11 +637,11 @@ extern void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value);
extern void ARMul_Abort (ARMul_State * state, ARMword address);
#ifdef MODET
#define ARMul_ABORTWORD (state->TFlag ? 0xefffdfff : 0xefffffff) /* SWI -1 */
#define ARMul_ABORTWORD (state->TFlag ? 0xefffdfff : 0xefffffff) /* SWI -1 */
#define ARMul_PREFETCHABORT(address) if (state->AbortAddr == 1) \
state->AbortAddr = (address & (state->TFlag ? ~1L : ~3L))
#else
#define ARMul_ABORTWORD 0xefffffff /* SWI -1 */
#define ARMul_ABORTWORD 0xefffffff /* SWI -1 */
#define ARMul_PREFETCHABORT(address) if (state->AbortAddr == 1) \
state->AbortAddr = (address & ~3L)
#endif
@ -654,20 +654,20 @@ extern void ARMul_Abort (ARMul_State * state, ARMword address);
\***************************************************************************/
extern unsigned ARMul_MemoryInit (ARMul_State * state,
unsigned int initmemsize);
unsigned int initmemsize);
extern void ARMul_MemoryExit (ARMul_State * state);
extern ARMword ARMul_LoadInstrS (ARMul_State * state, ARMword address,
ARMword isize);
ARMword isize);
extern ARMword ARMul_LoadInstrN (ARMul_State * state, ARMword address,
ARMword isize);
ARMword isize);
#ifdef __cplusplus
extern "C" {
#endif
extern ARMword ARMul_ReLoadInstr (ARMul_State * state, ARMword address,
ARMword isize);
ARMword isize);
#ifdef __cplusplus
}
}
#endif
extern ARMword ARMul_LoadWordS (ARMul_State * state, ARMword address);
extern ARMword ARMul_LoadWordN (ARMul_State * state, ARMword address);
@ -675,34 +675,34 @@ extern ARMword ARMul_LoadHalfWord (ARMul_State * state, ARMword address);
extern ARMword ARMul_LoadByte (ARMul_State * state, ARMword address);
extern void ARMul_StoreWordS (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern void ARMul_StoreWordN (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern void ARMul_StoreHalfWord (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern void ARMul_StoreByte (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern ARMword ARMul_SwapWord (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern ARMword ARMul_SwapByte (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern void ARMul_Icycles (ARMul_State * state, unsigned number,
ARMword address);
ARMword address);
extern void ARMul_Ccycles (ARMul_State * state, unsigned number,
ARMword address);
ARMword address);
extern ARMword ARMul_ReadWord (ARMul_State * state, ARMword address);
extern ARMword ARMul_ReadByte (ARMul_State * state, ARMword address);
extern void ARMul_WriteWord (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern void ARMul_WriteByte (ARMul_State * state, ARMword address,
ARMword data);
ARMword data);
extern ARMword ARMul_MemAccess (ARMul_State * state, ARMword, ARMword,
ARMword, ARMword, ARMword, ARMword, ARMword,
ARMword, ARMword, ARMword);
ARMword, ARMword, ARMword, ARMword, ARMword,
ARMword, ARMword, ARMword);
/***************************************************************************\
* Definitons of things in the co-processor interface *
@ -746,12 +746,12 @@ extern ARMword ARMul_MemAccess (ARMul_State * state, ARMword, ARMword,
extern unsigned ARMul_CoProInit (ARMul_State * state);
extern void ARMul_CoProExit (ARMul_State * state);
extern void ARMul_CoProAttach (ARMul_State * state, unsigned number,
ARMul_CPInits * init, ARMul_CPExits * exit,
ARMul_LDCs * ldc, ARMul_STCs * stc,
ARMul_MRCs * mrc, ARMul_MCRs * mcr,
ARMul_MRRCs * mrrc, ARMul_MCRRs * mcrr,
ARMul_CDPs * cdp,
ARMul_CPReads * read, ARMul_CPWrites * write);
ARMul_CPInits * init, ARMul_CPExits * exit,
ARMul_LDCs * ldc, ARMul_STCs * stc,
ARMul_MRCs * mrc, ARMul_MCRs * mcr,
ARMul_MRRCs * mrrc, ARMul_MCRRs * mcrr,
ARMul_CDPs * cdp,
ARMul_CPReads * read, ARMul_CPWrites * write);
extern void ARMul_CoProDetach (ARMul_State * state, unsigned number);
/***************************************************************************\
@ -775,7 +775,7 @@ extern ARMword ARMul_OSLastErrorP (ARMul_State * state);
extern ARMword ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr);
extern unsigned ARMul_OSException (ARMul_State * state, ARMword vector,
ARMword pc);
ARMword pc);
extern int rdi_log;
/***************************************************************************\
@ -783,9 +783,9 @@ extern int rdi_log;
\***************************************************************************/
#ifdef macintosh
pascal void SpinCursor (short increment); /* copied from CursorCtl.h */
pascal void SpinCursor (short increment); /* copied from CursorCtl.h */
# define HOURGLASS SpinCursor( 1 )
# define HOURGLASS_RATE 1023 /* 2^n - 1 */
# define HOURGLASS_RATE 1023 /* 2^n - 1 */
#endif
//teawater add for arm2x86 2005.02.14-------------------------------------------
@ -821,38 +821,38 @@ pascal void SpinCursor (short increment); /* copied from CursorCtl.h */
#define NV 15
#ifndef NFLAG
#define NFLAG state->NFlag
#define NFLAG state->NFlag
#endif //NFLAG
#ifndef ZFLAG
#define ZFLAG state->ZFlag
#define ZFLAG state->ZFlag
#endif //ZFLAG
#ifndef CFLAG
#define CFLAG state->CFlag
#define CFLAG state->CFlag
#endif //CFLAG
#ifndef VFLAG
#define VFLAG state->VFlag
#define VFLAG state->VFlag
#endif //VFLAG
#ifndef IFLAG
#define IFLAG (state->IFFlags >> 1)
#define IFLAG (state->IFFlags >> 1)
#endif //IFLAG
#ifndef FFLAG
#define FFLAG (state->IFFlags & 1)
#define FFLAG (state->IFFlags & 1)
#endif //FFLAG
#ifndef IFFLAGS
#define IFFLAGS state->IFFlags
#define IFFLAGS state->IFFlags
#endif //VFLAG
#define FLAG_MASK 0xf0000000
#define NBIT_SHIFT 31
#define ZBIT_SHIFT 30
#define CBIT_SHIFT 29
#define VBIT_SHIFT 28
#define FLAG_MASK 0xf0000000
#define NBIT_SHIFT 31
#define ZBIT_SHIFT 30
#define CBIT_SHIFT 29
#define VBIT_SHIFT 28
#ifdef DBCT
//teawater change for local tb branch directly jump 2005.10.18------------------
#include "dbct/list.h"
@ -875,10 +875,10 @@ pascal void SpinCursor (short increment); /* copied from CursorCtl.h */
state->Reg[4],state->Reg[5],state->Reg[6],state->Reg[7], \
state->Reg[8],state->Reg[9],state->Reg[10],state->Reg[11], \
state->Reg[12],state->Reg[13],state->Reg[14],state->Reg[15], \
state->Cpsr, state->Spsr[0], state->Spsr[1], state->Spsr[2],\
state->Cpsr, state->Spsr[0], state->Spsr[1], state->Spsr[2],\
state->Spsr[3],state->Spsr[4], state->Spsr[5], state->Spsr[6],\
state->Mode,state->Bank,state->ErrorCode,state->instr,state->pc,\
state->temp,state->loaded,state->decoded);}
state->Mode,state->Bank,state->ErrorCode,state->instr,state->pc,\
state->temp,state->loaded,state->decoded);}
#define SKYEYE_OUTMOREREGS(fd) { fprintf ((fd),"\
RUs %x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,\
@ -911,13 +911,13 @@ RUn %x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x\n",\
state->RegBank[5][4],state->RegBank[5][5],state->RegBank[5][6],state->RegBank[5][7], \
state->RegBank[5][8],state->RegBank[5][9],state->RegBank[5][10],state->RegBank[5][11], \
state->RegBank[5][12],state->RegBank[5][13],state->RegBank[5][14],state->RegBank[5][15] \
);}
);}
#define SA1110 0x6901b110
#define SA1100 0x4401a100
#define PXA250 0x69052100
#define PXA270 0x69054110
#define PXA250 0x69052100
#define PXA270 0x69054110
//#define PXA250 0x69052903
// 0x69052903; //PXA250 B1 from intel 278522-001.pdf

10884
src/core/src/arm/armemu.cpp
File diff suppressed because it is too large
View File

1620
src/core/src/arm/mmu/arm1176jzf_s_mmu.cpp
File diff suppressed because it is too large
View File

10
src/core/src/arm/mmu/arm1176jzf_s_mmu.h
View File

@ -22,12 +22,12 @@
#if 0
typedef struct arm1176jzf-s_mmu_s
{
tlb_t i_tlb;
cache_t i_cache;
tlb_t i_tlb;
cache_t i_cache;
tlb_t d_tlb;
cache_t d_cache;
wb_t wb_t;
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;

116
src/core/src/arm/mmu/cache.h
View File

@ -3,85 +3,85 @@
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 */
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
#define TAG_LAST_HALF_DIRTY 0x00000004
/*cache set association*/
typedef struct cache_set_s
{
cache_line_t *lines;
int cycle;
cache_line_t *lines;
int cycle;
} cache_set_t;
enum
{
CACHE_WRITE_BACK,
CACHE_WRITE_THROUGH,
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;
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 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))
(((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))
((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)
(((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))
(((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
* @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
* 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);
* mmu_cache_exit(cache);
* free(cache_t);
*
* @cache_t : the cache_t to free
*/
@ -89,40 +89,40 @@ void mmu_cache_exit (cache_s * cache_t);
/* mmu cache search
*
* @state :ARMul_State
* @cache_t :cache_t to search
* @va :virtual address
* @state :ARMul_State
* @cache_t :cache_t to search
* @va :virtual address
*
* $ NULL: no cache match
* cache :cache matched
* $ NULL: no cache match
* cache :cache matched
* */
cache_line_t *mmu_cache_search (ARMul_State * state, cache_s * cache_t,
ARMword va);
ARMword va);
/* mmu cache search by set/index
*
* @state :ARMul_State
* @cache_t :cache_t to search
* @state :ARMul_State
* @cache_t :cache_t to search
* @index :set/index value.
*
* $ NULL: no cache match
* cache :cache matched
* $ NULL: no cache match
* cache :cache matched
* */
cache_line_t *mmu_cache_search_by_index (ARMul_State * state,
cache_s * cache_t, ARMword index);
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_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_alloced, always alloc OK
*/
cache_line_t *mmu_cache_alloc (ARMul_State * state, cache_s * cache_t,
ARMword va, ARMword pa);
ARMword va, ARMword pa);
/* mmu_cache_write_back write cache data to memory
*
@ -132,31 +132,31 @@ cache_line_t *mmu_cache_alloc (ARMul_State * state, cache_s * cache_t,
*/
void
mmu_cache_write_back (ARMul_State * state, cache_s * cache_t,
cache_line_t * cache);
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
* @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);
ARMword index);
/* mmu_cache_invalidate : invalidate a cache of va
*
* @state :ARMul_State
* @cache_t :cache_t to invalid
* @va :virt_addr to invalid
* @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);
ARMword index);
void mmu_cache_invalidate_all (ARMul_State * state, cache_s * cache_t);

34
src/core/src/arm/mmu/rb.h
View File

@ -3,10 +3,10 @@
enum rb_type_t
{
RB_INVALID = 0, //invalid
RB_1, //1 word
RB_4, //4 word
RB_8, //8 word
RB_INVALID = 0, //invalid
RB_1, //1 word
RB_4, //4 word
RB_8, //8 word
};
/*bytes of each rb_type*/
@ -15,21 +15,21 @@ 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
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;
int num;
rb_entry_t *entrys;
} rb_s;
/*mmu_rb_init
* @rb_t :rb_t to init
* @num :number of entry
* @rb_t :rb_t to init
* @num :number of entry
* */
int mmu_rb_init (rb_s * rb_t, int num);
@ -38,11 +38,11 @@ void mmu_rb_exit (rb_s * rb_t);
/*mmu_rb_search
* @rb_t :rb_t to serach
* @va :va address to math
* @rb_t :rb_t to serach
* @va :va address to math
*
* $ NULL :not match
* NO-NULL:
* $ NULL :not match
* NO-NULL:
* */
rb_entry_t *mmu_rb_search (rb_s * rb_t, ARMword va);
@ -50,6 +50,6 @@ 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);
int type, ARMword va);
#endif /*_MMU_RB_H_*/

74
src/core/src/arm/mmu/tlb.h
View File

@ -3,81 +3,81 @@
typedef enum tlb_mapping_t
{
TLB_INVALID = 0,
TLB_SMALLPAGE = 1,
TLB_LARGEPAGE = 2,
TLB_SECTION = 3,
TLB_ESMALLPAGE = 4,
TLB_TINYPAGE = 5
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
* +-------------+-----+-----+-----+-----+---+---+-------+
* 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 | |
* +-------------+-----+-----------------+---+---+-------+
* 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
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
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;
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;
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)
((tlb)->perms & 0x8)
#define tlb_b_flag(tlb) \
((tlb)->perms & 0x4)
((tlb)->perms & 0x4)
#define tlb_va_to_pa(tlb, va) \
(\
{\
ARMword mask = tlb_masks[tlb->mapping]; \
(tlb->phys_addr & mask) | (va & ~mask);\
ARMword mask = tlb_masks[tlb->mapping]; \
(tlb->phys_addr & mask) | (va & ~mask);\
}\
)
fault_t
check_access (ARMul_State * state, ARMword virt_addr, tlb_entry_t * tlb,
int read);
int read);
fault_t
translate (ARMul_State * state, ARMword virt_addr, tlb_s * tlb_t,
tlb_entry_t ** tlb);
tlb_entry_t ** tlb);
int mmu_tlb_init (tlb_s * tlb_t, int num);
@ -89,6 +89,6 @@ 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);
ARMword virt_addr);
#endif /*_MMU_TLB_H_*/
#endif /*_MMU_TLB_H_*/

44
src/core/src/arm/mmu/wb.h
View File

@ -3,34 +3,34 @@
typedef struct wb_entry_s
{
ARMword pa; //phy_addr
ARMbyte *data; //data
int nb; //number byte to write
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;
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;
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
* @wb_t :wb_t to init
* @num :num of entrys
* @nw :num of word of each entry
*
* $ -1:error
* 0:ok
* $ -1:error
* 0:ok
* */
int mmu_wb_init (wb_s * wb_t, int num, int nb);
@ -42,17 +42,17 @@ 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
* @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);
ARMbyte * data, int n);
/* wb_drain_all

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