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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 */

9800
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))))

688
src/core/arm/interpreter/arminit.cpp
View file

@ -15,16 +15,7 @@
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 */ /* ahe-ykl: common function for interpret and dyncom */
//sky_pref_t *pref = get_skyeye_pref(); /*sky_pref_t *pref = get_skyeye_pref();
//if (pref->user_mode_sim) if (pref->user_mode_sim)
// register_callback(arm_user_mode_init, Bootmach_callback); register_callback(arm_user_mode_init, Bootmach_callback);
*/
memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128); memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128);
state->exclusive_access_state = 0; state->exclusive_access_state = 0;
//state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t)); //state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t));
//state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t)); //state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t));
return (state); 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);
} }

1150
src/core/arm/interpreter/armsupp.cpp
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