diff options
Diffstat (limited to 'src/core/arm/interpreter/arminit.cpp')
-rw-r--r-- | src/core/arm/interpreter/arminit.cpp | 744 |
1 files changed, 342 insertions, 402 deletions
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp index e05667bea..6fbab3bfb 100644 --- a/src/core/arm/interpreter/arminit.cpp +++ b/src/core/arm/interpreter/arminit.cpp @@ -1,30 +1,21 @@ /* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. Copyright (C) 1994 Advanced RISC Machines Ltd. - + 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 the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#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 <unistd.h> #include "core/arm/interpreter/armdefs.h" #include "core/arm/interpreter/armemu.h" @@ -42,9 +33,9 @@ ARMword ARMul_DoProg (ARMul_State * state); ARMword ARMul_DoInstr (ARMul_State * state); void ARMul_Abort (ARMul_State * state, ARMword address); -unsigned ARMul_MultTable[32] = - { 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 +unsigned ARMul_MultTable[32] = { + 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 }; ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */ 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) { - 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. */ -//#include "skyeye_arch.h" -//#include "skyeye_pref.h" -//#include "skyeye_exec_info.h" -//#include "bank_defs.h" -#include "armcpu.h" +/*#include "skyeye_arch.h" +#include "skyeye_pref.h" +#include "skyeye_exec_info.h" +#include "bank_defs.h"*/ +//#include "armcpu.h" //#include "skyeye_callback.h" -//void arm_user_mode_init(generic_arch_t * arch_instance) -//{ -// sky_pref_t *pref = get_skyeye_pref(); -// -// 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])); -// } -// -//} +/* + 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])); +*/ /***************************************************************************\ * 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 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 */ - ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); - } + for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */ + ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); + } - for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ - for (j = 1; j < 256; j <<= 1) - for (i = 0; i < 256; i++) - if ((i & j) > 0) - ARMul_BitList[i]++; + for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ + for (j = 1; j < 256; j <<= 1) + for (i = 0; i < 256; i++) + if ((i & j) > 0) + ARMul_BitList[i]++; - for (i = 0; i < 256; i++) - ARMul_BitList[i] *= 4; /* you always need 4 times these values */ + for (i = 0; i < 256; i++) + ARMul_BitList[i] *= 4; /* you always need 4 times these values */ } @@ -159,80 +106,82 @@ ARMul_EmulateInit (void) ARMul_State * ARMul_NewState (ARMul_State *state) { - unsigned i, j; - - memset (state, 0, sizeof (ARMul_State)); - - state->Emulate = RUN; - for (i = 0; i < 16; i++) { - state->Reg[i] = 0; - for (j = 0; j < 7; j++) - state->RegBank[j][i] = 0; - } - for (i = 0; i < 7; i++) - state->Spsr[i] = 0; - state->Mode = 0; - - state->CallDebug = FALSE; - state->Debug = FALSE; - state->VectorCatch = 0; - state->Aborted = FALSE; - state->Reseted = FALSE; - state->Inted = 3; - state->LastInted = 3; - - state->CommandLine = NULL; - - state->EventSet = 0; - state->Now = 0; - state->EventPtr = - (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * - sizeof (struct EventNode *)); + unsigned i, j; + + memset (state, 0, sizeof (ARMul_State)); + + state->Emulate = RUN; + for (i = 0; i < 16; i++) { + state->Reg[i] = 0; + for (j = 0; j < 7; j++) + state->RegBank[j][i] = 0; + } + for (i = 0; i < 7; i++) + state->Spsr[i] = 0; + state->Mode = 0; + + state->CallDebug = FALSE; + state->Debug = FALSE; + state->VectorCatch = 0; + state->Aborted = FALSE; + state->Reseted = FALSE; + state->Inted = 3; + state->LastInted = 3; + + state->CommandLine = NULL; + + state->EventSet = 0; + state->Now = 0; + state->EventPtr = + (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * + sizeof (struct EventNode *)); #if DIFF_STATE - state->state_log = fopen("/data/state.log", "w"); - printf("create pc log file.\n"); + state->state_log = fopen("/data/state.log", "w"); + printf("create pc log file.\n"); #endif - if (state->EventPtr == NULL) { - printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n"); - exit(-1); - } - for (i = 0; i < EVENTLISTSIZE; i++) - *(state->EventPtr + i) = NULL; + if (state->EventPtr == NULL) { + printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n"); + exit(-1); + //skyeye_exit (-1); + } + for (i = 0; i < EVENTLISTSIZE; i++) + *(state->EventPtr + i) = NULL; #if SAVE_LOG - state->state_log = fopen("/tmp/state.log", "w"); - printf("create pc log file.\n"); + state->state_log = fopen("/tmp/state.log", "w"); + printf("create pc log file.\n"); #else #if DIFF_LOG - state->state_log = fopen("/tmp/state.log", "r"); - printf("loaded pc log file.\n"); + state->state_log = fopen("/tmp/state.log", "r"); + printf("loaded pc log file.\n"); #endif #endif #ifdef ARM61 - state->prog32Sig = LOW; - state->data32Sig = LOW; + state->prog32Sig = LOW; + state->data32Sig = LOW; #else - state->prog32Sig = HIGH; - state->data32Sig = HIGH; + state->prog32Sig = HIGH; + state->data32Sig = HIGH; #endif - state->lateabtSig = HIGH; - state->bigendSig = LOW; - - //chy:2003-08-19 - state->LastTime = 0; - 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); - 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); + state->lateabtSig = HIGH; + state->bigendSig = LOW; + + //chy:2003-08-19 + state->LastTime = 0; + 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); + 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 ARMul_SelectProcessor (ARMul_State * state, unsigned properties) { - if (properties & ARM_Fix26_Prop) { - state->prog32Sig = LOW; - state->data32Sig = LOW; - } - else { - state->prog32Sig = HIGH; - state->data32Sig = HIGH; - } -/* 2004-05-09 chy -below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function -*/ - // state->lateabtSig = HIGH; - - - state->is_v4 = - (properties & (ARM_v4_Prop | 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_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; - state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW; - /* state->is_v6 = LOW */; - /* jeff.du 2010-08-05 */ - state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW; - state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW; - //chy 2005-09-19 - state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW; - - /* shenoubang 2012-3-11 */ - state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW; - - /* Only initialse the coprocessor support once we - know what kind of chip we are dealing with. */ - ARMul_CoProInit (state); + if (properties & ARM_Fix26_Prop) { + state->prog32Sig = LOW; + state->data32Sig = LOW; + } else { + state->prog32Sig = HIGH; + state->data32Sig = HIGH; + } + /* 2004-05-09 chy + below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function + */ + // state->lateabtSig = HIGH; + + + state->is_v4 = + (properties & (ARM_v4_Prop | 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_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; + state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW; + /* state->is_v6 = LOW */; + /* jeff.du 2010-08-05 */ + state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW; + state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW; + //chy 2005-09-19 + state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW; + + /* shenoubang 2012-3-11 */ + state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW; + + /* Only initialse the coprocessor support once we + know what kind of chip we are dealing with. */ + //ARMul_CoProInit (state); } @@ -285,66 +233,65 @@ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function void ARMul_Reset (ARMul_State * state) { - //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - state->NextInstr = 0; - if (state->prog32Sig) { - state->Reg[15] = 0; - state->Cpsr = INTBITS | SVC32MODE; - state->Mode = SVC32MODE; - } - else { - state->Reg[15] = R15INTBITS | SVC26MODE; - state->Cpsr = INTBITS | SVC26MODE; - state->Mode = SVC26MODE; - } - //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - ARMul_CPSRAltered (state); - state->Bank = SVCBANK; - FLUSHPIPE; - - state->EndCondition = 0; - state->ErrorCode = 0; - - //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - state->NresetSig = HIGH; - state->NfiqSig = HIGH; - state->NirqSig = HIGH; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - state->abortSig = LOW; - state->AbortAddr = 1; - - state->NumInstrs = 0; - state->NumNcycles = 0; - state->NumScycles = 0; - state->NumIcycles = 0; - state->NumCcycles = 0; - state->NumFcycles = 0; - - //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - mmu_reset (state); - //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - - //mem_reset (state); /* move to memory/ram.c */ - - //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - /*remove later. walimis 03.7.17 */ - //io_reset(state); - //lcd_disable(state); - - /*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*/ - state->tea_break_ok = 0; - state->tea_break_addr = 0; - state->tea_pc = 0; + //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + state->NextInstr = 0; + if (state->prog32Sig) { + state->Reg[15] = 0; + state->Cpsr = INTBITS | SVC32MODE; + state->Mode = SVC32MODE; + } else { + state->Reg[15] = R15INTBITS | SVC26MODE; + state->Cpsr = INTBITS | SVC26MODE; + state->Mode = SVC26MODE; + } + //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + //ARMul_CPSRAltered (state); + state->Bank = SVCBANK; + FLUSHPIPE; + + state->EndCondition = 0; + state->ErrorCode = 0; + + //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + state->NresetSig = HIGH; + state->NfiqSig = HIGH; + state->NirqSig = HIGH; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + state->abortSig = LOW; + state->AbortAddr = 1; + + state->NumInstrs = 0; + state->NumNcycles = 0; + state->NumScycles = 0; + state->NumIcycles = 0; + state->NumCcycles = 0; + state->NumFcycles = 0; + + //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + //mmu_reset (state); + //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + + //mem_reset (state); /* move to memory/ram.c */ + + //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + /*remove later. walimis 03.7.17 */ + //io_reset(state); + //lcd_disable(state); + + /*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*/ + state->tea_break_ok = 0; + state->tea_break_addr = 0; + state->tea_pc = 0; #ifdef DBCT - if (!skyeye_config.no_dbct) { - //teawater add for arm2x86 2005.02.14------------------------------------------- - if (arm2x86_init (state)) { - printf ("SKYEYE: arm2x86_init error\n"); - skyeye_exit (-1); - } - //AJ2D-------------------------------------------------------------------------- - } + if (!skyeye_config.no_dbct) { + //teawater add for arm2x86 2005.02.14------------------------------------------- + if (arm2x86_init (state)) { + printf ("SKYEYE: arm2x86_init error\n"); + //skyeye_exit (-1); + } + //AJ2D-------------------------------------------------------------------------- + } #endif } @@ -361,8 +308,9 @@ static ARMul_State *dbct_test_speed_state = NULL; static void dbct_test_speed_sig(int signo) { - printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count); - skyeye_exit(0); + printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count); + exit(0); + //skyeye_exit(0); } #endif //DBCT_TEST_SPEED //AJ2D-------------------------------------------------------------------------- @@ -370,92 +318,91 @@ dbct_test_speed_sig(int signo) ARMword ARMul_DoProg (ARMul_State * state) { - ARMword pc = 0; + ARMword pc = 0; - /* - * 2007-01-24 removed the term-io functions by Anthony Lee, - * moved to "device/uart/skyeye_uart_stdio.c". - */ + /* + * 2007-01-24 removed the term-io functions by Anthony Lee, + * moved to "device/uart/skyeye_uart_stdio.c". + */ //teawater add DBCT_TEST_SPEED 2005.10.04--------------------------------------- #ifdef DBCT_TEST_SPEED - { - if (!dbct_test_speed_state) { - //init timer - struct itimerval value; - struct sigaction act; - - dbct_test_speed_state = state; - state->instr_count = 0; - act.sa_handler = dbct_test_speed_sig; - act.sa_flags = SA_RESTART; - //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF + { + if (!dbct_test_speed_state) { + //init timer + struct itimerval value; + struct sigaction act; + + dbct_test_speed_state = state; + state->instr_count = 0; + act.sa_handler = dbct_test_speed_sig; + act.sa_flags = SA_RESTART; + //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF #ifndef __CYGWIN__ - if (sigaction(SIGVTALRM, &act, NULL) == -1) { + if (sigaction(SIGVTALRM, &act, NULL) == -1) { #else - if (sigaction(SIGALRM, &act, NULL) == -1) { + if (sigaction(SIGALRM, &act, NULL) == -1) { #endif //__CYGWIN__ - fprintf(stderr, "init timer error.\n"); - skyeye_exit(-1); - } - if (skyeye_config.dbct_test_speed_sec) { - value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec; - } - else { - value.it_value.tv_sec = DBCT_TEST_SPEED_SEC; - } - printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec); - value.it_value.tv_usec = 0; - value.it_interval.tv_sec = 0; - value.it_interval.tv_usec = 0; + fprintf(stderr, "init timer error.\n"); + exit(-1); + //skyeye_exit(-1); + } + if (skyeye_config.dbct_test_speed_sec) { + value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec; + } else { + value.it_value.tv_sec = DBCT_TEST_SPEED_SEC; + } + printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec); + value.it_value.tv_usec = 0; + value.it_interval.tv_sec = 0; + value.it_interval.tv_usec = 0; #ifndef __CYGWIN__ - if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) { + if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) { #else - if (setitimer(ITIMER_REAL, &value, NULL) == -1) { + if (setitimer(ITIMER_REAL, &value, NULL) == -1) { #endif //__CYGWIN__ - fprintf(stderr, "init timer error.\n"); - skyeye_exit(-1); - } - } - } + fprintf(stderr, "init timer error.\n"); + //skyeye_exit(-1); + } + } + } #endif //DBCT_TEST_SPEED //AJ2D-------------------------------------------------------------------------- - state->Emulate = RUN; - while (state->Emulate != STOP) { - state->Emulate = RUN; + state->Emulate = RUN; + while (state->Emulate != STOP) { + state->Emulate = RUN; - /*ywc 2005-03-31 */ - if (state->prog32Sig && ARMul_MODE32BIT) { + /*ywc 2005-03-31 */ + if (state->prog32Sig && ARMul_MODE32BIT) { #ifdef DBCT - if (skyeye_config.no_dbct) { - pc = ARMul_Emulate32 (state); - } - else { - pc = ARMul_Emulate32_dbct (state); - } + if (skyeye_config.no_dbct) { + pc = ARMul_Emulate32 (state); + } else { + pc = ARMul_Emulate32_dbct (state); + } #else - pc = ARMul_Emulate32 (state); + pc = ARMul_Emulate32 (state); #endif - } + } - else { - _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); - } - //chy 2006-02-22, should test debugmode first - //chy 2006-04-14, put below codes in ARMul_Emulate + else { + //pc = ARMul_Emulate26 (state); + } + //chy 2006-02-22, should test debugmode first + //chy 2006-04-14, put below codes in ARMul_Emulate #if 0 - if(debugmode) - if(remote_interrupt()) - state->Emulate = STOP; + if(debugmode) + if(remote_interrupt()) + state->Emulate = STOP; #endif - } + } - /* - * 2007-01-24 removed the term-io functions by Anthony Lee, - * moved to "device/uart/skyeye_uart_stdio.c". - */ + /* + * 2007-01-24 removed the term-io functions by Anthony Lee, + * moved to "device/uart/skyeye_uart_stdio.c". + */ - return (pc); + return (pc); } /***************************************************************************\ @@ -467,36 +414,34 @@ ARMul_DoProg (ARMul_State * state) ARMword ARMul_DoInstr (ARMul_State * state) { - ARMword pc = 0; + ARMword pc = 0; - state->Emulate = ONCE; + state->Emulate = ONCE; - /*ywc 2005-03-31 */ - if (state->prog32Sig && ARMul_MODE32BIT) { + /*ywc 2005-03-31 */ + if (state->prog32Sig && ARMul_MODE32BIT) { #ifdef DBCT - if (skyeye_config.no_dbct) { - pc = ARMul_Emulate32 (state); - } - else { + if (skyeye_config.no_dbct) { + pc = ARMul_Emulate32 (state); + } else { //teawater add compile switch for DBCT GDB RSP function 2005.10.21-------------- #ifndef DBCT_GDBRSP - 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"); - skyeye_exit(-1); + 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"); + skyeye_exit(-1); #endif //DBCT_GDBRSP //AJ2D-------------------------------------------------------------------------- - pc = ARMul_Emulate32_dbct (state); - } + pc = ARMul_Emulate32_dbct (state); + } #else - pc = ARMul_Emulate32 (state); + pc = ARMul_Emulate32 (state); #endif - } + } - else { - _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); - } + //else + //pc = ARMul_Emulate26 (state); - return (pc); + return (pc); } /***************************************************************************\ @@ -508,79 +453,74 @@ ARMul_DoInstr (ARMul_State * state) void ARMul_Abort (ARMul_State * state, ARMword vector) { - ARMword temp; - int isize = INSN_SIZE; - int esize = (TFLAG ? 0 : 4); - int e2size = (TFLAG ? -4 : 0); - - state->Aborted = FALSE; - - if (state->prog32Sig) - if (ARMul_MODE26BIT) - temp = R15PC; - else - temp = state->Reg[15]; - else - temp = R15PC | ECC | ER15INT | EMODE; - - switch (vector) { - case ARMul_ResetV: /* RESET */ - SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, - 0); - break; - case ARMul_UndefinedInstrV: /* Undefined Instruction */ - SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, - isize); - break; - case ARMul_SWIV: /* Software Interrupt */ - // Modified SETABORT that doesn't branch to a SVC vector as we are implementing this in HLE - // 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); - state->Reg[15] -= 4; - return; - case ARMul_PrefetchAbortV: /* Prefetch Abort */ - state->AbortAddr = 1; - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, - esize); - break; - case ARMul_DataAbortV: /* Data Abort */ - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, - e2size); - break; - case ARMul_AddrExceptnV: /* Address Exception */ - SETABORT (IBIT, SVC26MODE, isize); - break; - case ARMul_IRQV: /* IRQ */ - //chy 2003-09-02 the if sentence seems no use + ARMword temp; + int isize = INSN_SIZE; + int esize = (TFLAG ? 0 : 4); + int e2size = (TFLAG ? -4 : 0); + + state->Aborted = FALSE; + + if (state->prog32Sig) + if (ARMul_MODE26BIT) + temp = R15PC; + else + temp = state->Reg[15]; + else + temp = R15PC | ECC | ER15INT | EMODE; + + switch (vector) { + case ARMul_ResetV: /* RESET */ + SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, + 0); + break; + case ARMul_UndefinedInstrV: /* Undefined Instruction */ + SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, + isize); + break; + case ARMul_SWIV: /* Software Interrupt */ + SETABORT (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE, + isize); + break; + case ARMul_PrefetchAbortV: /* Prefetch Abort */ + state->AbortAddr = 1; + SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, + esize); + break; + case ARMul_DataAbortV: /* Data Abort */ + SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, + e2size); + break; + case ARMul_AddrExceptnV: /* Address Exception */ + SETABORT (IBIT, SVC26MODE, isize); + break; + case ARMul_IRQV: /* IRQ */ + //chy 2003-09-02 the if sentence seems no use #if 0 - if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) - || (temp & ARMul_CP13_R0_IRQ)) + if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) + || (temp & ARMul_CP13_R0_IRQ)) #endif - SETABORT (IBIT, - state->prog32Sig ? IRQ32MODE : IRQ26MODE, - esize); - break; - case ARMul_FIQV: /* FIQ */ - //chy 2003-09-02 the if sentence seems no use + SETABORT (IBIT, + state->prog32Sig ? IRQ32MODE : IRQ26MODE, + esize); + break; + case ARMul_FIQV: /* FIQ */ + //chy 2003-09-02 the if sentence seems no use #if 0 - if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) - || (temp & ARMul_CP13_R0_FIQ)) + if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) + || (temp & ARMul_CP13_R0_FIQ)) #endif - SETABORT (INTBITS, - state->prog32Sig ? FIQ32MODE : FIQ26MODE, - esize); - break; - } - - if (ARMul_MODE32BIT) { - if (state->mmu.control & CONTROL_VECTOR) - vector += 0xffff0000; //for v4 high exception address - if (state->vector_remap_flag) - vector += state->vector_remap_addr; /* support some remap function in LPC processor */ - ARMul_SetR15 (state, vector); - } - else - ARMul_SetR15 (state, R15CCINTMODE | vector); + SETABORT (INTBITS, + state->prog32Sig ? FIQ32MODE : FIQ26MODE, + esize); + break; + } + + if (ARMul_MODE32BIT) { + /*if (state->mmu.control & CONTROL_VECTOR) + vector += 0xffff0000; //for v4 high exception address*/ + if (state->vector_remap_flag) + vector += state->vector_remap_addr; /* support some remap function in LPC processor */ + ARMul_SetR15 (state, vector); + } else + ARMul_SetR15 (state, R15CCINTMODE | vector); } |