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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 */

2314
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))))

162
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"
@ -42,8 +33,8 @@ 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 */
@ -63,71 +54,27 @@ void arm_dyncom_Abort(ARMul_State * state, ARMword 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. *
\***************************************************************************/ \***************************************************************************/
@ -195,6 +142,7 @@ ARMul_NewState (ARMul_State *state)
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++) for (i = 0; i < EVENTLISTSIZE; i++)
*(state->EventPtr + i) = NULL; *(state->EventPtr + i) = NULL;
@ -224,9 +172,10 @@ ARMul_NewState (ARMul_State *state)
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;
@ -245,14 +194,13 @@ 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;
@ -274,7 +222,7 @@ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
/* 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);
} }
@ -291,14 +239,13 @@ ARMul_Reset (ARMul_State * state)
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;
@ -321,7 +268,7 @@ ARMul_Reset (ARMul_State * state)
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 */
@ -341,7 +288,7 @@ ARMul_Reset (ARMul_State * state)
//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--------------------------------------------------------------------------
} }
@ -362,7 +309,8 @@ 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--------------------------------------------------------------------------
@ -396,12 +344,12 @@ ARMul_DoProg (ARMul_State * state)
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) { if (skyeye_config.dbct_test_speed_sec) {
value.it_value.tv_sec = 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);
@ -414,7 +362,7 @@ ARMul_DoProg (ARMul_State * state)
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);
} }
} }
} }
@ -429,8 +377,7 @@ ARMul_DoProg (ARMul_State * state)
#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
@ -439,7 +386,7 @@ ARMul_DoProg (ARMul_State * state)
} }
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
@ -476,8 +423,7 @@ ARMul_DoInstr (ARMul_State * state)
#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");
@ -492,9 +438,8 @@ ARMul_DoInstr (ARMul_State * state)
#endif #endif
} }
else { //else
_dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); //pc = ARMul_Emulate26 (state);
}
return (pc); return (pc);
} }
@ -533,13 +478,9 @@ ARMul_Abort (ARMul_State * state, ARMword vector)
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
// set to, making it the next instruction after the SVC call), and skip setting the LR.
SETABORT_SKIPBRANCH (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE,
isize); isize);
state->Reg[15] -= 4; break;
return;
case ARMul_PrefetchAbortV: /* Prefetch Abort */ case ARMul_PrefetchAbortV: /* Prefetch Abort */
state->AbortAddr = 1; state->AbortAddr = 1;
SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
@ -575,12 +516,11 @@ ARMul_Abort (ARMul_State * state, ARMword vector)
} }
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);
} }

168
src/core/arm/interpreter/armsupp.cpp
View file

@ -15,22 +15,23 @@
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 <util.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"
#include "core/arm/interpreter/skyeye_defs.h"
#include "core/hle/coprocessor.h" #include "core/hle/coprocessor.h"
#include "core/arm/disassembler/arm_disasm.h" #include "core/arm/disassembler/arm_disasm.h"
unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg, //#include "ansidecl.h"
unsigned cpnum); //#include "skyeye.h"
//extern int skyeye_instr_debug; //extern int skyeye_instr_debug;
/* Definitions for the support routines. */ /* Definitions for the support routines. */
static ARMword ModeToBank (ARMword); static ARMword ModeToBank (ARMword);
static void EnvokeList (ARMul_State *, unsigned int, unsigned int); static void EnvokeList (ARMul_State *, unsigned int, unsigned int);
struct EventNode struct EventNode {
{ /* An event list node. */ /* An event list node. */
unsigned (*func) (ARMul_State *); /* The function to call. */ unsigned (*func) (ARMul_State *); /* The function to call. */
struct EventNode *next; struct EventNode *next;
}; };
@ -76,9 +77,9 @@ ARMword
ARMul_GetNextPC (ARMul_State * state) ARMul_GetNextPC (ARMul_State * state)
{ {
if (state->Mode > SVC26MODE) if (state->Mode > SVC26MODE)
return state->Reg[15] + isize; return state->Reg[15] + INSN_SIZE;
else else
return (state->Reg[15] + isize) & R15PCBITS; return (state->Reg[15] + INSN_SIZE) & R15PCBITS;
} }
/* This routine sets the value of the PC. */ /* This routine sets the value of the PC. */
@ -213,13 +214,13 @@ ARMul_CPSRAltered (ARMul_State * state)
oldmode = state->Mode; oldmode = state->Mode;
if (state->Mode != (state->Cpsr & MODEBITS)) { /*if (state->Mode != (state->Cpsr & MODEBITS)) {
state->Mode = state->Mode =
ARMul_SwitchMode (state, state->Mode, ARMul_SwitchMode (state, state->Mode,
state->Cpsr & MODEBITS); state->Cpsr & MODEBITS);
state->NtransSig = (state->Mode & 3) ? HIGH : LOW; state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
} }*/
//state->Cpsr &= ~MODEBITS; //state->Cpsr &= ~MODEBITS;
ASSIGNINT (state->Cpsr & INTBITS); ASSIGNINT (state->Cpsr & INTBITS);
@ -244,13 +245,11 @@ ARMul_CPSRAltered (ARMul_State * state)
state->Emulate = CHANGEMODE; state->Emulate = CHANGEMODE;
state->Reg[15] = ECC | ER15INT | EMODE | R15PC; state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
} }
} } else {
else {
if (state->Mode > SVC26MODE) { if (state->Mode > SVC26MODE) {
state->Emulate = CHANGEMODE; state->Emulate = CHANGEMODE;
state->Reg[15] = R15PC; state->Reg[15] = R15PC;
} } else
else
state->Reg[15] = ECC | ER15INT | EMODE | R15PC; state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
} }
} }
@ -406,12 +405,10 @@ ARMul_NegZero (ARMul_State * state, ARMword result)
if (NEG (result)) { if (NEG (result)) {
SETN; SETN;
CLEARZ; CLEARZ;
} } else if (result == 0) {
else if (result == 0) {
CLEARN; CLEARN;
SETZ; SETZ;
} } else {
else {
CLEARN; CLEARN;
CLEARZ; CLEARZ;
} }
@ -482,12 +479,13 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
UNDEF_LSCPCBaseWb; UNDEF_LSCPCBaseWb;
//printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address); //printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
/*chy 2004-05-23 should update this function in the future,should concern dataabort*/ /*chy 2004-05-23 should update this function in the future,should concern dataabort*/
// chy 2004-05-25 , fix it now,so needn't printf // chy 2004-05-25 , fix it now,so needn't printf
// printf("SKYEYE ARMul_LDC, should update this function!!!!!\n"); // printf("SKYEYE ARMul_LDC, should update this function!!!!!\n");
//exit(-1); //exit(-1);
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->LDC[CPNum]) {
/* /*
printf printf
("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n", ("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n",
@ -497,8 +495,8 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
return; return;
} }
//if (ADDREXCEPT (address)) /*if (ADDREXCEPT (address))
// INTERNALABORT (address); INTERNALABORT (address);*/
cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0); cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
while (cpab == ARMul_BUSY) { while (cpab == ARMul_BUSY) {
@ -508,8 +506,7 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0); instr, 0);
return; return;
} } else
else
cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr,
0); 0);
} }
@ -531,10 +528,10 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
BUSUSEDINCPCN; BUSUSEDINCPCN;
//chy 2004-05-25 //chy 2004-05-25
/* /*
if (BIT (21)) if (BIT (21))
LSBase = state->Base; LSBase = state->Base;
*/ */
cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
@ -549,7 +546,7 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
} }
//chy 2004-05-25 //chy 2004-05-25
L_ldc_takeabort: L_ldc_takeabort:
if (BIT (21)) { if (BIT (21)) {
if (! if (!
((state->abortSig || state->Aborted) ((state->abortSig || state->Aborted)
@ -581,7 +578,8 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
// printf("SKYEYE ARMul_STC, should update this function!!!!!\n"); // printf("SKYEYE ARMul_STC, should update this function!!!!!\n");
//exit(-1); //exit(-1);
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->STC[CPNum]) {
/* /*
printf printf
("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n", ("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n",
@ -591,8 +589,8 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
return; return;
} }
//if (ADDREXCEPT (address) || VECTORACCESS (address)) /*if (ADDREXCEPT (address) || VECTORACCESS (address))
// INTERNALABORT (address); INTERNALABORT (address);*/
cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data); cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data);
while (cpab == ARMul_BUSY) { while (cpab == ARMul_BUSY) {
@ -601,8 +599,7 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0); instr, 0);
return; return;
} } else
else
cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr,
&data); &data);
} }
@ -616,16 +613,16 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
CPTAKEABORT; CPTAKEABORT;
return; return;
} }
#ifndef MODE32 /*#ifndef MODE32
if (ADDREXCEPT (address) || VECTORACCESS (address)) if (ADDREXCEPT (address) || VECTORACCESS (address))
INTERNALABORT (address); INTERNALABORT (address);
#endif #endif*/
BUSUSEDINCPCN; BUSUSEDINCPCN;
//chy 2004-05-25 //chy 2004-05-25
/* /*
if (BIT (21)) if (BIT (21))
LSBase = state->Base; LSBase = state->Base;
*/ */
cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data);
ARMul_StoreWordN (state, address, data); ARMul_StoreWordN (state, address, data);
//chy 2004-05-25 //chy 2004-05-25
@ -641,7 +638,7 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
goto L_stc_takeabort; goto L_stc_takeabort;
} }
//chy 2004-05-25 //chy 2004-05-25
L_stc_takeabort: L_stc_takeabort:
if (BIT (21)) { if (BIT (21)) {
if (! if (!
((state->abortSig || state->Aborted) ((state->abortSig || state->Aborted)
@ -659,15 +656,31 @@ void
ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source) ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source)
{ {
unsigned cpab; unsigned cpab;
int cm = BITS(0, 3) & 0xf;
int cp = BITS(5, 7) & 0x7;
int rd = BITS(12, 15) & 0xf;
int cn = BITS(16, 19) & 0xf;
int cpopc = BITS(21, 23) & 0x7;
if (CPNum == 15 && source == 0) //Cache flush
{
return;
}
//printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source); //printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source);
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->MCR[CPNum]) {
//chy 2004-07-19 should fix in the future ????!!!! //chy 2004-07-19 should fix in the future ????!!!!
//printf("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source); DEBUG("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source);
ARMul_UndefInstr (state, instr); ARMul_UndefInstr (state, instr);
return; return;
} }
//DEBUG("SKYEYE ARMul_MCR p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp);
//DEBUG("plutoo: MCR not implemented\n");
//exit(1);
//return;
cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source); cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source);
while (cpab == ARMul_BUSY) { while (cpab == ARMul_BUSY) {
@ -677,17 +690,15 @@ ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source)
cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT,
instr, 0); instr, 0);
return; return;
} } else
else
cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr,
source); source);
} }
if (cpab == ARMul_CANT) { if (cpab == ARMul_CANT) {
printf ("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source); DEBUG("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source); //ichfly todo
ARMul_Abort (state, ARMul_UndefinedInstrV); //ARMul_Abort (state, ARMul_UndefinedInstrV);
} } else {
else {
BUSUSEDINCPCN; BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0); ARMul_Ccycles (state, 1, 0);
} }
@ -700,7 +711,8 @@ ARMul_MCRR (ARMul_State * state, ARMword instr, ARMword source1, ARMword source2
{ {
unsigned cpab; unsigned cpab;
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->MCRR[CPNum]) {
ARMul_UndefInstr (state, instr); ARMul_UndefInstr (state, instr);
return; return;
} }
@ -714,16 +726,14 @@ ARMul_MCRR (ARMul_State * state, ARMword instr, ARMword source1, ARMword source2
cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT,
instr, 0, 0); instr, 0, 0);
return; return;
} } else
else
cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr,
source1, source2); source1, source2);
} }
if (cpab == ARMul_CANT) { if (cpab == ARMul_CANT) {
printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2); printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2);
ARMul_Abort (state, ARMul_UndefinedInstrV); ARMul_Abort (state, ARMul_UndefinedInstrV);
} } else {
else {
BUSUSEDINCPCN; BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0); ARMul_Ccycles (state, 1, 0);
} }
@ -731,21 +741,34 @@ ARMul_MCRR (ARMul_State * state, ARMword instr, ARMword source1, ARMword source2
/* This function does the Busy-Waiting for an MRC instruction. */ /* This function does the Busy-Waiting for an MRC instruction. */
ARMword ARMword ARMul_MRC (ARMul_State * state, ARMword instr)
ARMul_MRC (ARMul_State * state, ARMword instr)
{ {
unsigned cpab; int cm = BITS(0, 3) & 0xf;
int cp = BITS(5, 7) & 0x7;
int rd = BITS(12, 15) & 0xf;
int cn = BITS(16, 19) & 0xf;
int cpopc = BITS(21, 23) & 0x7;
if (cn == 13 && cm == 0 && cp == 3) { //c13,c0,3; returns CPU svc buffer
ARMword result = HLE::CallMRC(instr); ARMword result = HLE::CallMRC(instr);
if (result != -1) { if (result != -1) {
return result; return result;
} }
}
//DEBUG("SKYEYE ARMul_MRC p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp);
//DEBUG("plutoo: MRC not implemented\n");
//return;
unsigned cpab;
ARMword result = 0;
//printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr); //printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr);
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->MRC[CPNum]) {
//chy 2004-07-19 should fix in the future????!!!! //chy 2004-07-19 should fix in the future????!!!!
//printf("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n",CPNum, instr); DEBUG("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
ARMul_UndefInstr (state, instr); ARMul_UndefInstr (state, instr);
return -1; return -1;
} }
@ -757,8 +780,7 @@ ARMul_MRC (ARMul_State * state, ARMword instr)
cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0); instr, 0);
return (0); return (0);
} } else
else
cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr,
&result); &result);
} }
@ -767,8 +789,7 @@ ARMul_MRC (ARMul_State * state, ARMword instr)
ARMul_Abort (state, ARMul_UndefinedInstrV); ARMul_Abort (state, ARMul_UndefinedInstrV);
/* Parent will destroy the flags otherwise. */ /* Parent will destroy the flags otherwise. */
result = ECC; result = ECC;
} } else {
else {
BUSUSEDINCPCN; BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0); ARMul_Ccycles (state, 1, 0);
ARMul_Icycles (state, 1, 0); ARMul_Icycles (state, 1, 0);
@ -786,7 +807,8 @@ ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2
ARMword result1 = 0; ARMword result1 = 0;
ARMword result2 = 0; ARMword result2 = 0;
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->MRRC[CPNum]) {
ARMul_UndefInstr (state, instr); ARMul_UndefInstr (state, instr);
return; return;
} }
@ -798,16 +820,14 @@ ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2
cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT,
instr, 0, 0); instr, 0, 0);
return; return;
} } else
else
cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr, cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr,
&result1, &result2); &result1, &result2);
} }
if (cpab == ARMul_CANT) { if (cpab == ARMul_CANT) {
printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr); printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr);
ARMul_Abort (state, ARMul_UndefinedInstrV); ARMul_Abort (state, ARMul_UndefinedInstrV);
} } else {
else {
BUSUSEDINCPCN; BUSUSEDINCPCN;
ARMul_Ccycles (state, 1, 0); ARMul_Ccycles (state, 1, 0);
ARMul_Icycles (state, 1, 0); ARMul_Icycles (state, 1, 0);
@ -824,7 +844,8 @@ ARMul_CDP (ARMul_State * state, ARMword instr)
{ {
unsigned cpab; unsigned cpab;
if (!CP_ACCESS_ALLOWED (state, CPNum)) { //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
if (!state->CDP[CPNum]) {
ARMul_UndefInstr (state, instr); ARMul_UndefInstr (state, instr);
return; return;
} }
@ -835,8 +856,7 @@ ARMul_CDP (ARMul_State * state, ARMword instr)
cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT, cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT,
instr); instr);
return; return;
} } else
else
cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr); cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr);
} }
if (cpab == ARMul_CANT) if (cpab == ARMul_CANT)
@ -850,6 +870,8 @@ ARMul_CDP (ARMul_State * state, ARMword instr)
void void
ARMul_UndefInstr (ARMul_State * state, ARMword instr) ARMul_UndefInstr (ARMul_State * state, ARMword instr)
{ {
/*SKYEYE_LOG_IN_CLR(RED, "In %s, line = %d, undef instr: 0x%x\n",
__func__, __LINE__, instr);*/
char buff[512]; char buff[512];
ARM_Disasm disasm = ARM_Disasm(); ARM_Disasm disasm = ARM_Disasm();
disasm.disasm(state->pc, instr, buff); disasm.disasm(state->pc, instr, buff);
@ -866,12 +888,10 @@ IntPending (ARMul_State * state)
if (state->NresetSig == LOW) { if (state->NresetSig == LOW) {
ARMul_Abort (state, ARMul_ResetV); ARMul_Abort (state, ARMul_ResetV);
return TRUE; return TRUE;
} } else if (!state->NfiqSig && !FFLAG) {
else if (!state->NfiqSig && !FFLAG) {
ARMul_Abort (state, ARMul_FIQV); ARMul_Abort (state, ARMul_FIQV);
return TRUE; return TRUE;
} } else if (!state->NirqSig && !IFLAG) {
else if (!state->NirqSig && !IFLAG) {
ARMul_Abort (state, ARMul_IRQV); ARMul_Abort (state, ARMul_IRQV);
return TRUE; return TRUE;
} }
@ -882,7 +902,7 @@ IntPending (ARMul_State * state)
/* Align a word access to a non word boundary. */ /* Align a word access to a non word boundary. */
ARMword ARMword
ARMul_Align (ARMul_State *state, ARMword address, ARMword data) ARMul_Align (ARMul_State* state, ARMword address, ARMword data)
{ {
/* This code assumes the address is really unaligned, /* This code assumes the address is really unaligned,
as a shift by 32 is undefined in C. */ as a shift by 32 is undefined in C. */
@ -907,7 +927,11 @@ ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay,
state->Now = ARMul_Time (state); state->Now = ARMul_Time (state);
when = (state->Now + delay) % EVENTLISTSIZE; when = (state->Now + delay) % EVENTLISTSIZE;
event = (struct EventNode *) malloc (sizeof (struct EventNode)); event = (struct EventNode *) malloc (sizeof (struct EventNode));
_dbg_assert_msg_(ARM11, event, "SKYEYE:ARMul_ScheduleEvent: malloc event error\n"); if (!event) {
printf ("SKYEYE:ARMul_ScheduleEvent: malloc event error\n");
exit(-1);
//skyeye_exit (-1);
}
event->func = what; event->func = what;
event->next = *(state->EventPtr + when); event->next = *(state->EventPtr + when);
*(state->EventPtr + when) = event; *(state->EventPtr + when) = event;