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ARM: Synchronize Citra's SkyEye core with 3dmoo's.

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This commit is contained in:
bunnei 2014-07-23 19:16:40 -04:00
parent 866d2a62e9
commit 77fc029a00
6 changed files with 5553 additions and 6169 deletions
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6
src/core/arm/interpreter/arm_interpreter.cpp
View file

@ -12,6 +12,8 @@ ARM_Interpreter::ARM_Interpreter() {
state = new ARMul_State; state = new ARMul_State;
ARMul_EmulateInit(); ARMul_EmulateInit();
memset(state, 0, sizeof(ARMul_State));
ARMul_NewState(state); ARMul_NewState(state);
state->abort_model = 0; state->abort_model = 0;
@ -23,12 +25,14 @@ ARM_Interpreter::ARM_Interpreter() {
mmu_init(state); mmu_init(state);
// Reset the core to initial state // Reset the core to initial state
ARMul_CoProInit(state);
ARMul_Reset(state); ARMul_Reset(state);
state->NextInstr = 0; state->NextInstr = RESUME;
state->Emulate = 3; state->Emulate = 3;
state->pc = state->Reg[15] = 0x00000000; state->pc = state->Reg[15] = 0x00000000;
state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
state->servaddr = 0xFFFF0000;
} }
ARM_Interpreter::~ARM_Interpreter() { ARM_Interpreter::~ARM_Interpreter() {

5
src/core/arm/interpreter/armdefs.h
View file

@ -278,6 +278,11 @@ struct ARMul_State
unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */ unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */
unsigned long long NumInstrs; /* the number of instructions executed */ unsigned long long NumInstrs; /* the number of instructions executed */
unsigned NumInstrsToExecute; unsigned NumInstrsToExecute;
ARMword currentexaddr;
ARMword currentexval;
ARMword servaddr;
unsigned NextInstr; unsigned NextInstr;
unsigned VectorCatch; /* caught exception mask */ unsigned VectorCatch; /* caught exception mask */
unsigned CallDebug; /* set to call the debugger */ unsigned CallDebug; /* set to call the debugger */

9822
src/core/arm/interpreter/armemu.cpp
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File diff suppressed because it is too large Load diff

29
src/core/arm/interpreter/armemu.h
View file

@ -18,10 +18,12 @@
#define __ARMEMU_H__ #define __ARMEMU_H__
#include "core/arm/interpreter/skyeye_defs.h" #include "armdefs.h"
#include "core/arm/interpreter/armdefs.h" //#include "skyeye.h"
extern ARMword isize; //extern ARMword isize;
#define DEBUG(...) DEBUG_LOG(ARM11, __VA_ARGS__)
/* Condition code values. */ /* Condition code values. */
#define EQ 0 #define EQ 0
@ -228,17 +230,6 @@ extern ARMword isize;
} \ } \
while (0) while (0)
#define SETABORT_SKIPBRANCH(i, m, d) \
do \
{ \
int SETABORT_mode = (m); \
\
ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state)); \
ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT)) \
| (i) | SETABORT_mode)); \
} \
while (0)
#ifndef MODE32 #ifndef MODE32
#define VECTORS 0x20 #define VECTORS 0x20
#define LEGALADDR 0x03ffffff #define LEGALADDR 0x03ffffff
@ -306,7 +297,7 @@ extern ARMword isize;
if (! state->is_v4) \ if (! state->is_v4) \
{ \ { \
/* A standard PC inc and an S cycle. */ \ /* A standard PC inc and an S cycle. */ \
state->Reg[15] += isize; \ state->Reg[15] += INSN_SIZE; \
state->NextInstr = (state->NextInstr & 0xff) | 2; \ state->NextInstr = (state->NextInstr & 0xff) | 2; \
} \ } \
} \ } \
@ -320,7 +311,7 @@ extern ARMword isize;
else \ else \
{ \ { \
/* A standard PC inc and an N cycle. */ \ /* A standard PC inc and an N cycle. */ \
state->Reg[15] += isize; \ state->Reg[15] += INSN_SIZE; \
state->NextInstr |= 3; \ state->NextInstr |= 3; \
} \ } \
} \ } \
@ -330,7 +321,7 @@ extern ARMword isize;
do \ do \
{ \ { \
/* A standard PC inc. */ \ /* A standard PC inc. */ \
state->Reg[15] += isize; \ state->Reg[15] += INSN_SIZE; \
state->NextInstr |= 2; \ state->NextInstr |= 2; \
} \ } \
while (0) while (0)
@ -420,9 +411,7 @@ extern ARMword isize;
|| (read_cp15_reg (15, 0, 1) & (1 << (CP)))) || (read_cp15_reg (15, 0, 1) & (1 << (CP))))
*/ */
#define CP_ACCESS_ALLOWED(STATE, CP) \ #define CP_ACCESS_ALLOWED(STATE, CP) \
( ((CP) >= 14) \ ( ((CP) >= 14) ) \
|| (! (STATE)->is_XScale) \
|| (xscale_cp15_cp_access_allowed(STATE,15,CP)))
/* Macro to rotate n right by b bits. */ /* Macro to rotate n right by b bits. */
#define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b)))) #define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b))))

698
src/core/arm/interpreter/arminit.cpp
View file

@ -1,30 +1,21 @@
/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. /* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator.
Copyright (C) 1994 Advanced RISC Machines Ltd. Copyright (C) 1994 Advanced RISC Machines Ltd.
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or the Free Software Foundation; either version 2 of the License, or
(at your option) any later version. (at your option) any later version.
This program is distributed in the hope that it will be useful, This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
//#include <unistd.h>
#include "common/platform.h"
#if EMU_PLATFORM == PLATFORM_LINUX
#include <unistd.h>
#elif EMU_PLATFORM == PLATFORM_WINDOWS
#include <windows.h>
#endif
#include <math.h>
#include "core/arm/interpreter/armdefs.h" #include "core/arm/interpreter/armdefs.h"
#include "core/arm/interpreter/armemu.h" #include "core/arm/interpreter/armemu.h"
@ -42,9 +33,9 @@ ARMword ARMul_DoProg (ARMul_State * state);
ARMword ARMul_DoInstr (ARMul_State * state); ARMword ARMul_DoInstr (ARMul_State * state);
void ARMul_Abort (ARMul_State * state, ARMword address); void ARMul_Abort (ARMul_State * state, ARMword address);
unsigned ARMul_MultTable[32] = unsigned ARMul_MultTable[32] = {
{ 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,
10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16
}; };
ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */ ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */
char ARMul_BitList[256]; /* number of bits in a byte table */ char ARMul_BitList[256]; /* number of bits in a byte table */
@ -56,78 +47,34 @@ extern int remote_interrupt( void );
void arm_dyncom_Abort(ARMul_State * state, ARMword vector) void arm_dyncom_Abort(ARMul_State * state, ARMword vector)
{ {
ARMul_Abort(state, vector); ARMul_Abort(state, vector);
} }
/* ahe-ykl : the following code to initialize user mode /* ahe-ykl : the following code to initialize user mode
code is architecture dependent and probably model dependant. */ code is architecture dependent and probably model dependant. */
//#include "skyeye_arch.h" /*#include "skyeye_arch.h"
//#include "skyeye_pref.h" #include "skyeye_pref.h"
//#include "skyeye_exec_info.h" #include "skyeye_exec_info.h"
//#include "bank_defs.h" #include "bank_defs.h"*/
#include "armcpu.h" //#include "armcpu.h"
//#include "skyeye_callback.h" //#include "skyeye_callback.h"
//void arm_user_mode_init(generic_arch_t * arch_instance) /*
//{ ARM_CPU_State* cpu = get_current_cpu();
// sky_pref_t *pref = get_skyeye_pref(); arm_core_t* core = &cpu->core[0];
//
// if (pref->user_mode_sim)
// {
// sky_exec_info_t *info = get_skyeye_exec_info();
// info->arch_page_size = 0x1000;
// info->arch_stack_top = 0x1ffffff0;// + 0x401fe7 - 0xff0; /* arbitrary value */
// /* stack initial address specific to architecture may be placed here */
//
// /* we need to mmap the stack space, if we are using skyeye space */
// if (info->mmap_access)
// {
// /* get system stack size */
// size_t stacksize = 0;
// pthread_attr_t attr;
// pthread_attr_init(&attr);
// pthread_attr_getstacksize(&attr, &stacksize);
// if (stacksize > info->arch_stack_top)
// {
// printf("arch_stack_top is too low\n");
// stacksize = info->arch_stack_top;
// }
//
// /* Note: Skyeye is occupating 0x400000 to 0x600000 */
// /* We do a mmap */
// void* ret = mmap( (info->arch_stack_top) - stacksize,
// stacksize + 0x1000 , PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
// if (ret == MAP_FAILED){
// /* ideally, we should find an empty space until it works */
// printf("mmap error, stack couldn't be mapped: errno %d\n", errno);
// exit(-1);
// } else {
// memset(ret, '\0', stacksize);
// //printf("stack top has been defined at %x size %x\n", (uint32_t) ret + stacksize, stacksize);
// //info->arch_stack_top = (uint32_t) ret + stacksize;
// }
// }
//
// exec_stack_init();
//
// ARM_CPU_State* cpu = get_current_cpu();
// arm_core_t* core = &cpu->core[0];
//
// uint32_t sp = info->initial_sp;
//
// core->Cpsr = 0x10; /* User mode */
// /* FIXME: may need to add thumb */
// core->Reg[13] = sp;
// core->Reg[10] = info->start_data;
// core->Reg[0] = 0;
// bus_read(32, sp + 4, &(core->Reg[1]));
// bus_read(32, sp + 8, &(core->Reg[2]));
// }
//
//}
uint32_t sp = info->initial_sp;
core->Cpsr = 0x10; // User mode
// FIXME: may need to add thumb
core->Reg[13] = sp;
core->Reg[10] = info->start_data;
core->Reg[0] = 0;
bus_read(32, sp + 4, &(core->Reg[1]));
bus_read(32, sp + 8, &(core->Reg[2]));
*/
/***************************************************************************\ /***************************************************************************\
* Call this routine once to set up the emulator's tables. * * Call this routine once to set up the emulator's tables. *
\***************************************************************************/ \***************************************************************************/
@ -135,20 +82,20 @@ void arm_dyncom_Abort(ARMul_State * state, ARMword vector)
void void
ARMul_EmulateInit (void) ARMul_EmulateInit (void)
{ {
unsigned int i, j; unsigned int i, j;
for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */ for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */
ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL);
} }
for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */
for (j = 1; j < 256; j <<= 1) for (j = 1; j < 256; j <<= 1)
for (i = 0; i < 256; i++) for (i = 0; i < 256; i++)
if ((i & j) > 0) if ((i & j) > 0)
ARMul_BitList[i]++; ARMul_BitList[i]++;
for (i = 0; i < 256; i++) for (i = 0; i < 256; i++)
ARMul_BitList[i] *= 4; /* you always need 4 times these values */ ARMul_BitList[i] *= 4; /* you always need 4 times these values */
} }
@ -159,80 +106,82 @@ ARMul_EmulateInit (void)
ARMul_State * ARMul_State *
ARMul_NewState (ARMul_State *state) ARMul_NewState (ARMul_State *state)
{ {
unsigned i, j; unsigned i, j;
memset (state, 0, sizeof (ARMul_State)); memset (state, 0, sizeof (ARMul_State));
state->Emulate = RUN; state->Emulate = RUN;
for (i = 0; i < 16; i++) { for (i = 0; i < 16; i++) {
state->Reg[i] = 0; state->Reg[i] = 0;
for (j = 0; j < 7; j++) for (j = 0; j < 7; j++)
state->RegBank[j][i] = 0; state->RegBank[j][i] = 0;
} }
for (i = 0; i < 7; i++) for (i = 0; i < 7; i++)
state->Spsr[i] = 0; state->Spsr[i] = 0;
state->Mode = 0; state->Mode = 0;
state->CallDebug = FALSE; state->CallDebug = FALSE;
state->Debug = FALSE; state->Debug = FALSE;
state->VectorCatch = 0; state->VectorCatch = 0;
state->Aborted = FALSE; state->Aborted = FALSE;
state->Reseted = FALSE; state->Reseted = FALSE;
state->Inted = 3; state->Inted = 3;
state->LastInted = 3; state->LastInted = 3;
state->CommandLine = NULL; state->CommandLine = NULL;
state->EventSet = 0; state->EventSet = 0;
state->Now = 0; state->Now = 0;
state->EventPtr = state->EventPtr =
(struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE *
sizeof (struct EventNode *)); sizeof (struct EventNode *));
#if DIFF_STATE #if DIFF_STATE
state->state_log = fopen("/data/state.log", "w"); state->state_log = fopen("/data/state.log", "w");
printf("create pc log file.\n"); printf("create pc log file.\n");
#endif #endif
if (state->EventPtr == NULL) { if (state->EventPtr == NULL) {
printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n"); printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n");
exit(-1); exit(-1);
} //skyeye_exit (-1);
for (i = 0; i < EVENTLISTSIZE; i++) }
*(state->EventPtr + i) = NULL; for (i = 0; i < EVENTLISTSIZE; i++)
*(state->EventPtr + i) = NULL;
#if SAVE_LOG #if SAVE_LOG
state->state_log = fopen("/tmp/state.log", "w"); state->state_log = fopen("/tmp/state.log", "w");
printf("create pc log file.\n"); printf("create pc log file.\n");
#else #else
#if DIFF_LOG #if DIFF_LOG
state->state_log = fopen("/tmp/state.log", "r"); state->state_log = fopen("/tmp/state.log", "r");
printf("loaded pc log file.\n"); printf("loaded pc log file.\n");
#endif #endif
#endif #endif
#ifdef ARM61 #ifdef ARM61
state->prog32Sig = LOW; state->prog32Sig = LOW;
state->data32Sig = LOW; state->data32Sig = LOW;
#else #else
state->prog32Sig = HIGH; state->prog32Sig = HIGH;
state->data32Sig = HIGH; state->data32Sig = HIGH;
#endif #endif
state->lateabtSig = HIGH; state->lateabtSig = HIGH;
state->bigendSig = LOW; state->bigendSig = LOW;
//chy:2003-08-19 //chy:2003-08-19
state->LastTime = 0; state->LastTime = 0;
state->CP14R0_CCD = -1; state->CP14R0_CCD = -1;
/* ahe-ykl: common function for interpret and dyncom */
//sky_pref_t *pref = get_skyeye_pref();
//if (pref->user_mode_sim)
// register_callback(arm_user_mode_init, Bootmach_callback);
memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128); /* ahe-ykl: common function for interpret and dyncom */
state->exclusive_access_state = 0; /*sky_pref_t *pref = get_skyeye_pref();
//state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t)); if (pref->user_mode_sim)
//state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t)); register_callback(arm_user_mode_init, Bootmach_callback);
return (state); */
memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128);
state->exclusive_access_state = 0;
//state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t));
//state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t));
return (state);
} }
/***************************************************************************\ /***************************************************************************\
@ -242,39 +191,38 @@ ARMul_NewState (ARMul_State *state)
void void
ARMul_SelectProcessor (ARMul_State * state, unsigned properties) ARMul_SelectProcessor (ARMul_State * state, unsigned properties)
{ {
if (properties & ARM_Fix26_Prop) { if (properties & ARM_Fix26_Prop) {
state->prog32Sig = LOW; state->prog32Sig = LOW;
state->data32Sig = LOW; state->data32Sig = LOW;
} } else {
else { state->prog32Sig = HIGH;
state->prog32Sig = HIGH; state->data32Sig = HIGH;
state->data32Sig = HIGH; }
} /* 2004-05-09 chy
/* 2004-05-09 chy below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function */
*/ // state->lateabtSig = HIGH;
// state->lateabtSig = HIGH;
state->is_v4 = state->is_v4 =
(properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW; (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW;
state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW; state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW;
state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW; state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW;
state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW;
state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW; state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW;
/* state->is_v6 = LOW */; /* state->is_v6 = LOW */;
/* jeff.du 2010-08-05 */ /* jeff.du 2010-08-05 */
state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW; state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW;
state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW; state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW;
//chy 2005-09-19 //chy 2005-09-19
state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW; state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW;
/* shenoubang 2012-3-11 */ /* shenoubang 2012-3-11 */
state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW; state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW;
/* Only initialse the coprocessor support once we /* Only initialse the coprocessor support once we
know what kind of chip we are dealing with. */ know what kind of chip we are dealing with. */
ARMul_CoProInit (state); //ARMul_CoProInit (state);
} }
@ -285,66 +233,65 @@ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
void void
ARMul_Reset (ARMul_State * state) ARMul_Reset (ARMul_State * state)
{ {
//fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
state->NextInstr = 0; state->NextInstr = 0;
if (state->prog32Sig) { if (state->prog32Sig) {
state->Reg[15] = 0; state->Reg[15] = 0;
state->Cpsr = INTBITS | SVC32MODE; state->Cpsr = INTBITS | SVC32MODE;
state->Mode = SVC32MODE; state->Mode = SVC32MODE;
} } else {
else { state->Reg[15] = R15INTBITS | SVC26MODE;
state->Reg[15] = R15INTBITS | SVC26MODE; state->Cpsr = INTBITS | SVC26MODE;
state->Cpsr = INTBITS | SVC26MODE; state->Mode = SVC26MODE;
state->Mode = SVC26MODE; }
} //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
//fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //ARMul_CPSRAltered (state);
ARMul_CPSRAltered (state); state->Bank = SVCBANK;
state->Bank = SVCBANK; FLUSHPIPE;
FLUSHPIPE;
state->EndCondition = 0; state->EndCondition = 0;
state->ErrorCode = 0; state->ErrorCode = 0;
//fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
state->NresetSig = HIGH; state->NresetSig = HIGH;
state->NfiqSig = HIGH; state->NfiqSig = HIGH;
state->NirqSig = HIGH; state->NirqSig = HIGH;
state->NtransSig = (state->Mode & 3) ? HIGH : LOW; state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
state->abortSig = LOW; state->abortSig = LOW;
state->AbortAddr = 1; state->AbortAddr = 1;
state->NumInstrs = 0; state->NumInstrs = 0;
state->NumNcycles = 0; state->NumNcycles = 0;
state->NumScycles = 0; state->NumScycles = 0;
state->NumIcycles = 0; state->NumIcycles = 0;
state->NumCcycles = 0; state->NumCcycles = 0;
state->NumFcycles = 0; state->NumFcycles = 0;
//fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
mmu_reset (state); //mmu_reset (state);
//fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
//mem_reset (state); /* move to memory/ram.c */ //mem_reset (state); /* move to memory/ram.c */
//fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
/*remove later. walimis 03.7.17 */ /*remove later. walimis 03.7.17 */
//io_reset(state); //io_reset(state);
//lcd_disable(state); //lcd_disable(state);
/*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will /*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will
*be configured in skyeye_option_init and it is called after ARMul_NewState*/ *be configured in skyeye_option_init and it is called after ARMul_NewState*/
state->tea_break_ok = 0; state->tea_break_ok = 0;
state->tea_break_addr = 0; state->tea_break_addr = 0;
state->tea_pc = 0; state->tea_pc = 0;
#ifdef DBCT #ifdef DBCT
if (!skyeye_config.no_dbct) { if (!skyeye_config.no_dbct) {
//teawater add for arm2x86 2005.02.14------------------------------------------- //teawater add for arm2x86 2005.02.14-------------------------------------------
if (arm2x86_init (state)) { if (arm2x86_init (state)) {
printf ("SKYEYE: arm2x86_init error\n"); printf ("SKYEYE: arm2x86_init error\n");
skyeye_exit (-1); //skyeye_exit (-1);
} }
//AJ2D-------------------------------------------------------------------------- //AJ2D--------------------------------------------------------------------------
} }
#endif #endif
} }
@ -361,8 +308,9 @@ static ARMul_State *dbct_test_speed_state = NULL;
static void static void
dbct_test_speed_sig(int signo) dbct_test_speed_sig(int signo)
{ {
printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count); printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count);
skyeye_exit(0); exit(0);
//skyeye_exit(0);
} }
#endif //DBCT_TEST_SPEED #endif //DBCT_TEST_SPEED
//AJ2D-------------------------------------------------------------------------- //AJ2D--------------------------------------------------------------------------
@ -370,92 +318,91 @@ dbct_test_speed_sig(int signo)
ARMword ARMword
ARMul_DoProg (ARMul_State * state) ARMul_DoProg (ARMul_State * state)
{ {
ARMword pc = 0; ARMword pc = 0;
/* /*
* 2007-01-24 removed the term-io functions by Anthony Lee, * 2007-01-24 removed the term-io functions by Anthony Lee,
* moved to "device/uart/skyeye_uart_stdio.c". * moved to "device/uart/skyeye_uart_stdio.c".
*/ */
//teawater add DBCT_TEST_SPEED 2005.10.04--------------------------------------- //teawater add DBCT_TEST_SPEED 2005.10.04---------------------------------------
#ifdef DBCT_TEST_SPEED #ifdef DBCT_TEST_SPEED
{ {
if (!dbct_test_speed_state) { if (!dbct_test_speed_state) {
//init timer //init timer
struct itimerval value; struct itimerval value;
struct sigaction act; struct sigaction act;
dbct_test_speed_state = state; dbct_test_speed_state = state;
state->instr_count = 0; state->instr_count = 0;
act.sa_handler = dbct_test_speed_sig; act.sa_handler = dbct_test_speed_sig;
act.sa_flags = SA_RESTART; act.sa_flags = SA_RESTART;
//cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF
#ifndef __CYGWIN__ #ifndef __CYGWIN__
if (sigaction(SIGVTALRM, &act, NULL) == -1) { if (sigaction(SIGVTALRM, &act, NULL) == -1) {
#else #else
if (sigaction(SIGALRM, &act, NULL) == -1) { if (sigaction(SIGALRM, &act, NULL) == -1) {
#endif //__CYGWIN__ #endif //__CYGWIN__
fprintf(stderr, "init timer error.\n"); fprintf(stderr, "init timer error.\n");
skyeye_exit(-1); exit(-1);
} //skyeye_exit(-1);
if (skyeye_config.dbct_test_speed_sec) { }
value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec; if (skyeye_config.dbct_test_speed_sec) {
} value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec;
else { } else {
value.it_value.tv_sec = DBCT_TEST_SPEED_SEC; value.it_value.tv_sec = DBCT_TEST_SPEED_SEC;
} }
printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec); printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec);
value.it_value.tv_usec = 0; value.it_value.tv_usec = 0;
value.it_interval.tv_sec = 0; value.it_interval.tv_sec = 0;
value.it_interval.tv_usec = 0; value.it_interval.tv_usec = 0;
#ifndef __CYGWIN__ #ifndef __CYGWIN__
if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) { if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) {
#else #else
if (setitimer(ITIMER_REAL, &value, NULL) == -1) { if (setitimer(ITIMER_REAL, &value, NULL) == -1) {
#endif //__CYGWIN__ #endif //__CYGWIN__
fprintf(stderr, "init timer error.\n"); fprintf(stderr, "init timer error.\n");
skyeye_exit(-1); //skyeye_exit(-1);
} }
} }
} }
#endif //DBCT_TEST_SPEED #endif //DBCT_TEST_SPEED
//AJ2D-------------------------------------------------------------------------- //AJ2D--------------------------------------------------------------------------
state->Emulate = RUN; state->Emulate = RUN;
while (state->Emulate != STOP) { while (state->Emulate != STOP) {
state->Emulate = RUN; state->Emulate = RUN;
/*ywc 2005-03-31 */ /*ywc 2005-03-31 */
if (state->prog32Sig && ARMul_MODE32BIT) { if (state->prog32Sig && ARMul_MODE32BIT) {
#ifdef DBCT #ifdef DBCT
if (skyeye_config.no_dbct) { if (skyeye_config.no_dbct) {
pc = ARMul_Emulate32 (state); pc = ARMul_Emulate32 (state);
} } else {
else { pc = ARMul_Emulate32_dbct (state);
pc = ARMul_Emulate32_dbct (state); }
}
#else #else
pc = ARMul_Emulate32 (state); pc = ARMul_Emulate32 (state);
#endif #endif
} }
else { else {
_dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); //pc = ARMul_Emulate26 (state);
} }
//chy 2006-02-22, should test debugmode first //chy 2006-02-22, should test debugmode first
//chy 2006-04-14, put below codes in ARMul_Emulate //chy 2006-04-14, put below codes in ARMul_Emulate
#if 0 #if 0
if(debugmode) if(debugmode)
if(remote_interrupt()) if(remote_interrupt())
state->Emulate = STOP; state->Emulate = STOP;
#endif #endif
} }
/* /*
* 2007-01-24 removed the term-io functions by Anthony Lee, * 2007-01-24 removed the term-io functions by Anthony Lee,
* moved to "device/uart/skyeye_uart_stdio.c". * moved to "device/uart/skyeye_uart_stdio.c".
*/ */
return (pc); return (pc);
} }
/***************************************************************************\ /***************************************************************************\
@ -467,36 +414,34 @@ ARMul_DoProg (ARMul_State * state)
ARMword ARMword
ARMul_DoInstr (ARMul_State * state) ARMul_DoInstr (ARMul_State * state)
{ {
ARMword pc = 0; ARMword pc = 0;
state->Emulate = ONCE; state->Emulate = ONCE;
/*ywc 2005-03-31 */ /*ywc 2005-03-31 */
if (state->prog32Sig && ARMul_MODE32BIT) { if (state->prog32Sig && ARMul_MODE32BIT) {
#ifdef DBCT #ifdef DBCT
if (skyeye_config.no_dbct) { if (skyeye_config.no_dbct) {
pc = ARMul_Emulate32 (state); pc = ARMul_Emulate32 (state);
} } else {
else {
//teawater add compile switch for DBCT GDB RSP function 2005.10.21-------------- //teawater add compile switch for DBCT GDB RSP function 2005.10.21--------------
#ifndef DBCT_GDBRSP #ifndef DBCT_GDBRSP
printf("DBCT GDBRSP function switch is off.\n"); printf("DBCT GDBRSP function switch is off.\n");
printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n"); printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n");
skyeye_exit(-1); skyeye_exit(-1);
#endif //DBCT_GDBRSP #endif //DBCT_GDBRSP
//AJ2D-------------------------------------------------------------------------- //AJ2D--------------------------------------------------------------------------
pc = ARMul_Emulate32_dbct (state); pc = ARMul_Emulate32_dbct (state);
} }
#else #else
pc = ARMul_Emulate32 (state); pc = ARMul_Emulate32 (state);
#endif #endif
} }
else { //else
_dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); //pc = ARMul_Emulate26 (state);
}
return (pc); return (pc);
} }
/***************************************************************************\ /***************************************************************************\
@ -508,79 +453,74 @@ ARMul_DoInstr (ARMul_State * state)
void void
ARMul_Abort (ARMul_State * state, ARMword vector) ARMul_Abort (ARMul_State * state, ARMword vector)
{ {
ARMword temp; ARMword temp;
int isize = INSN_SIZE; int isize = INSN_SIZE;
int esize = (TFLAG ? 0 : 4); int esize = (TFLAG ? 0 : 4);
int e2size = (TFLAG ? -4 : 0); int e2size = (TFLAG ? -4 : 0);
state->Aborted = FALSE; state->Aborted = FALSE;
if (state->prog32Sig) if (state->prog32Sig)
if (ARMul_MODE26BIT) if (ARMul_MODE26BIT)
temp = R15PC; temp = R15PC;
else else
temp = state->Reg[15]; temp = state->Reg[15];
else else
temp = R15PC | ECC | ER15INT | EMODE; temp = R15PC | ECC | ER15INT | EMODE;
switch (vector) { switch (vector) {
case ARMul_ResetV: /* RESET */ case ARMul_ResetV: /* RESET */
SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE,
0); 0);
break; break;
case ARMul_UndefinedInstrV: /* Undefined Instruction */ case ARMul_UndefinedInstrV: /* Undefined Instruction */
SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE,
isize); isize);
break; break;
case ARMul_SWIV: /* Software Interrupt */ case ARMul_SWIV: /* Software Interrupt */
// Modified SETABORT that doesn't branch to a SVC vector as we are implementing this in HLE SETABORT (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE,
// Instead of doing normal routine, backup R15 by one instruction (this is what PC will get isize);
// set to, making it the next instruction after the SVC call), and skip setting the LR. break;
SETABORT_SKIPBRANCH (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE, case ARMul_PrefetchAbortV: /* Prefetch Abort */
isize); state->AbortAddr = 1;
state->Reg[15] -= 4; SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
return; esize);
case ARMul_PrefetchAbortV: /* Prefetch Abort */ break;
state->AbortAddr = 1; case ARMul_DataAbortV: /* Data Abort */
SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
esize); e2size);
break; break;
case ARMul_DataAbortV: /* Data Abort */ case ARMul_AddrExceptnV: /* Address Exception */
SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, SETABORT (IBIT, SVC26MODE, isize);
e2size); break;
break; case ARMul_IRQV: /* IRQ */
case ARMul_AddrExceptnV: /* Address Exception */ //chy 2003-09-02 the if sentence seems no use
SETABORT (IBIT, SVC26MODE, isize);
break;
case ARMul_IRQV: /* IRQ */
//chy 2003-09-02 the if sentence seems no use
#if 0 #if 0
if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
|| (temp & ARMul_CP13_R0_IRQ)) || (temp & ARMul_CP13_R0_IRQ))
#endif #endif
SETABORT (IBIT, SETABORT (IBIT,
state->prog32Sig ? IRQ32MODE : IRQ26MODE, state->prog32Sig ? IRQ32MODE : IRQ26MODE,
esize); esize);
break; break;
case ARMul_FIQV: /* FIQ */ case ARMul_FIQV: /* FIQ */
//chy 2003-09-02 the if sentence seems no use //chy 2003-09-02 the if sentence seems no use
#if 0 #if 0
if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
|| (temp & ARMul_CP13_R0_FIQ)) || (temp & ARMul_CP13_R0_FIQ))
#endif #endif
SETABORT (INTBITS, SETABORT (INTBITS,
state->prog32Sig ? FIQ32MODE : FIQ26MODE, state->prog32Sig ? FIQ32MODE : FIQ26MODE,
esize); esize);
break; break;
} }
if (ARMul_MODE32BIT) { if (ARMul_MODE32BIT) {
if (state->mmu.control & CONTROL_VECTOR) /*if (state->mmu.control & CONTROL_VECTOR)
vector += 0xffff0000; //for v4 high exception address vector += 0xffff0000; //for v4 high exception address*/
if (state->vector_remap_flag) if (state->vector_remap_flag)
vector += state->vector_remap_addr; /* support some remap function in LPC processor */ vector += state->vector_remap_addr; /* support some remap function in LPC processor */
ARMul_SetR15 (state, vector); ARMul_SetR15 (state, vector);
} } else
else ARMul_SetR15 (state, R15CCINTMODE | vector);
ARMul_SetR15 (state, R15CCINTMODE | vector);
} }

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src/core/arm/interpreter/armsupp.cpp
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