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author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-13 12:17:11 +0000 |
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committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-13 12:17:11 +0000 |
commit | a7ae35e7988269545affa14421dafc2c37792d7e (patch) | |
tree | 09153e2e85487ff3a28a46bde35df4c437bff426 | |
parent | b6caf057eb1a6dc3d7f858fec987f9ce825efb1f (diff) | |
download | openocd_libswd-a7ae35e7988269545affa14421dafc2c37792d7e.tar.gz openocd_libswd-a7ae35e7988269545affa14421dafc2c37792d7e.tar.bz2 openocd_libswd-a7ae35e7988269545affa14421dafc2c37792d7e.tar.xz openocd_libswd-a7ae35e7988269545affa14421dafc2c37792d7e.zip |
hontor <hontor@126.com> - ARMV7_GDB_HACKS compilation error fix
git-svn-id: svn://svn.berlios.de/openocd/trunk@1045 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r-- | src/target/armv7m.c | 174 |
1 files changed, 88 insertions, 86 deletions
diff --git a/src/target/armv7m.c b/src/target/armv7m.c index 8456754d..ae4d82ba 100644 --- a/src/target/armv7m.c +++ b/src/target/armv7m.c @@ -48,7 +48,7 @@ char* armv7m_mode_strings[] = { - "Thread", "Thread (User)", "Handler", + "Thread", "Thread (User)", "Handler", }; char* armv7m_exception_strings[] = @@ -90,7 +90,7 @@ reg_t armv7m_gdb_dummy_cpsr_reg = }; #endif -armv7m_core_reg_t armv7m_core_reg_list_arch_info[] = +armv7m_core_reg_t armv7m_core_reg_list_arch_info[] = { /* CORE_GP are accesible using the core debug registers */ {0, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, @@ -107,7 +107,7 @@ armv7m_core_reg_t armv7m_core_reg_list_arch_info[] = {11, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, {12, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, {13, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, - {14, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, + {14, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, {15, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, {16, ARMV7M_REGISTER_CORE_GP, ARMV7M_MODE_ANY, NULL, NULL}, /* xPSR */ @@ -127,7 +127,7 @@ int armv7m_dummy_core_reg_arch_type = -1; int armv7m_restore_context(target_t *target) { int i; - + /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; @@ -135,7 +135,7 @@ int armv7m_restore_context(target_t *target) if (armv7m->pre_restore_context) armv7m->pre_restore_context(target); - + for (i = ARMV7NUMCOREREGS-1; i >= 0; i--) { if (armv7m->core_cache->reg_list[i].dirty) @@ -143,18 +143,18 @@ int armv7m_restore_context(target_t *target) armv7m->write_core_reg(target, i); } } - + if (armv7m->post_restore_context) armv7m->post_restore_context(target); - - return ERROR_OK; + + return ERROR_OK; } /* Core state functions */ char *armv7m_exception_string(int number) { static char enamebuf[32]; - + if ((number < 0) | (number > 511)) return "Invalid exception"; if (number < 16) @@ -169,14 +169,14 @@ int armv7m_get_core_reg(reg_t *reg) armv7m_core_reg_t *armv7m_reg = reg->arch_info; target_t *target = armv7m_reg->target; armv7m_common_t *armv7m_target = target->arch_info; - + if (target->state != TARGET_HALTED) { return ERROR_TARGET_NOT_HALTED; } retval = armv7m_target->read_core_reg(target, armv7m_reg->num); - + return retval; } @@ -185,12 +185,12 @@ int armv7m_set_core_reg(reg_t *reg, u8 *buf) armv7m_core_reg_t *armv7m_reg = reg->arch_info; target_t *target = armv7m_reg->target; u32 value = buf_get_u32(buf, 0, 32); - + if (target->state != TARGET_HALTED) { return ERROR_TARGET_NOT_HALTED; } - + buf_set_u32(reg->value, 0, 32, value); reg->dirty = 1; reg->valid = 1; @@ -203,10 +203,10 @@ int armv7m_read_core_reg(struct target_s *target, int num) u32 reg_value; int retval; armv7m_core_reg_t * armv7m_core_reg; - + /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; - + if ((num < 0) || (num >= ARMV7NUMCOREREGS)) return ERROR_INVALID_ARGUMENTS; @@ -215,8 +215,8 @@ int armv7m_read_core_reg(struct target_s *target, int num) buf_set_u32(armv7m->core_cache->reg_list[num].value, 0, 32, reg_value); armv7m->core_cache->reg_list[num].valid = 1; armv7m->core_cache->reg_list[num].dirty = 0; - - return ERROR_OK; + + return ERROR_OK; } int armv7m_write_core_reg(struct target_s *target, int num) @@ -224,13 +224,13 @@ int armv7m_write_core_reg(struct target_s *target, int num) int retval; u32 reg_value; armv7m_core_reg_t *armv7m_core_reg; - + /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; if ((num < 0) || (num >= ARMV7NUMCOREREGS)) return ERROR_INVALID_ARGUMENTS; - + reg_value = buf_get_u32(armv7m->core_cache->reg_list[num].value, 0, 32); armv7m_core_reg = armv7m->core_cache->reg_list[num].arch_info; retval = armv7m->store_core_reg_u32(target, armv7m_core_reg->type, armv7m_core_reg->num, reg_value); @@ -243,7 +243,7 @@ int armv7m_write_core_reg(struct target_s *target, int num) LOG_DEBUG("write core reg %i value 0x%x", num , reg_value); armv7m->core_cache->reg_list[num].valid = 1; armv7m->core_cache->reg_list[num].dirty = 0; - + return ERROR_OK; } @@ -252,13 +252,13 @@ int armv7m_invalidate_core_regs(target_t *target) /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; int i; - + for (i = 0; i < armv7m->core_cache->num_regs; i++) { armv7m->core_cache->reg_list[i].valid = 0; armv7m->core_cache->reg_list[i].dirty = 0; } - + return ERROR_OK; } @@ -267,26 +267,26 @@ int armv7m_get_gdb_reg_list(target_t *target, reg_t **reg_list[], int *reg_list_ /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; int i; - + *reg_list_size = 26; *reg_list = malloc(sizeof(reg_t*) * (*reg_list_size)); - + for (i = 0; i < 16; i++) { (*reg_list)[i] = &armv7m->core_cache->reg_list[i]; } - + for (i = 16; i < 24; i++) { (*reg_list)[i] = &armv7m_gdb_dummy_fp_reg; } - + (*reg_list)[24] = &armv7m_gdb_dummy_fps_reg; #ifdef ARMV7_GDB_HACKS /* use dummy cpsr reg otherwise gdb may try and set the thumb bit */ (*reg_list)[25] = &armv7m_gdb_dummy_cpsr_reg; - + /* ARMV7M is always in thumb mode, try to make GDB understand this * if it does not support this arch */ armv7m->core_cache->reg_list[15].value[0] |= 1; @@ -307,54 +307,54 @@ int armv7m_run_algorithm(struct target_s *target, int num_mem_params, mem_param_ u32 pc; int i; u32 context[ARMV7NUMCOREREGS]; - + if (armv7m_algorithm_info->common_magic != ARMV7M_COMMON_MAGIC) { LOG_ERROR("current target isn't an ARMV7M target"); return ERROR_TARGET_INVALID; } - + if (target->state != TARGET_HALTED) { LOG_WARNING("target not halted"); return ERROR_TARGET_NOT_HALTED; } - + /* refresh core register cache */ - /* Not needed if core register cache is always consistent with target process state */ + /* Not needed if core register cache is always consistent with target process state */ for (i = 0; i < ARMV7NUMCOREREGS; i++) { if (!armv7m->core_cache->reg_list[i].valid) armv7m->read_core_reg(target, i); context[i] = buf_get_u32(armv7m->core_cache->reg_list[i].value, 0, 32); } - + for (i = 0; i < num_mem_params; i++) { target_write_buffer(target, mem_params[i].address, mem_params[i].size, mem_params[i].value); } - + for (i = 0; i < num_reg_params; i++) { reg_t *reg = register_get_by_name(armv7m->core_cache, reg_params[i].reg_name, 0); u32 regvalue; - + if (!reg) { LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name); exit(-1); } - + if (reg->size != reg_params[i].size) { LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name); exit(-1); } - + regvalue = buf_get_u32(reg_params[i].value, 0, 32); armv7m_set_core_reg(reg, reg_params[i].value); } - + if (armv7m_algorithm_info->core_mode != ARMV7M_MODE_ANY) { LOG_DEBUG("setting core_mode: 0x%2.2x", armv7m_algorithm_info->core_mode); @@ -362,19 +362,19 @@ int armv7m_run_algorithm(struct target_s *target, int num_mem_params, mem_param_ armv7m->core_cache->reg_list[ARMV7M_CONTROL].dirty = 1; armv7m->core_cache->reg_list[ARMV7M_CONTROL].valid = 1; } - + /* ARMV7M always runs in Thumb state */ if ((retval = breakpoint_add(target, exit_point, 2, BKPT_SOFT)) != ERROR_OK) { LOG_ERROR("can't add breakpoint to finish algorithm execution"); return ERROR_TARGET_FAILURE; } - - /* This code relies on the target specific resume() and poll()->debug_entry() + + /* This code relies on the target specific resume() and poll()->debug_entry() sequence to write register values to the processor and the read them back */ target_resume(target, 0, entry_point, 1, 1); target_poll(target); - + target_wait_state(target, TARGET_HALTED, timeout_ms); if (target->state != TARGET_HALTED) { @@ -386,47 +386,47 @@ int armv7m_run_algorithm(struct target_s *target, int num_mem_params, mem_param_ } return ERROR_TARGET_TIMEOUT; } - - + + armv7m->load_core_reg_u32(target, ARMV7M_REGISTER_CORE_GP, 15, &pc); if (pc != exit_point) { - LOG_DEBUG("failed algoritm halted at 0x%x ", pc); + LOG_DEBUG("failed algoritm halted at 0x%x ", pc); return ERROR_TARGET_TIMEOUT; } - + breakpoint_remove(target, exit_point); - + /* Read memory values to mem_params[] */ for (i = 0; i < num_mem_params; i++) { if (mem_params[i].direction != PARAM_OUT) target_read_buffer(target, mem_params[i].address, mem_params[i].size, mem_params[i].value); } - + /* Copy core register values to reg_params[] */ for (i = 0; i < num_reg_params; i++) { if (reg_params[i].direction != PARAM_OUT) { reg_t *reg = register_get_by_name(armv7m->core_cache, reg_params[i].reg_name, 0); - + if (!reg) { LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name); exit(-1); } - + if (reg->size != reg_params[i].size) { LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name); exit(-1); } - + buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32)); } } - + for (i = ARMV7NUMCOREREGS-1; i >= 0; i--) { LOG_DEBUG("restoring register %s with value 0x%8.8x", armv7m->core_cache->reg_list[i].name, context[i]); @@ -434,9 +434,9 @@ int armv7m_run_algorithm(struct target_s *target, int num_mem_params, mem_param_ armv7m->core_cache->reg_list[i].valid = 1; armv7m->core_cache->reg_list[i].dirty = 1; } - + armv7m->core_mode = core_mode; - + return retval; } @@ -444,14 +444,14 @@ int armv7m_arch_state(struct target_s *target) { /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; - + LOG_USER("target halted due to %s, current mode: %s %s\nxPSR: 0x%8.8x pc: 0x%8.8x", Jim_Nvp_value2name_simple( nvp_target_debug_reason,target->debug_reason)->name, armv7m_mode_strings[armv7m->core_mode], armv7m_exception_string(armv7m->exception_number), buf_get_u32(armv7m->core_cache->reg_list[ARMV7M_xPSR].value, 0, 32), buf_get_u32(armv7m->core_cache->reg_list[15].value, 0, 32)); - + return ERROR_OK; } @@ -466,24 +466,26 @@ reg_cache_t *armv7m_build_reg_cache(target_t *target) reg_t *reg_list = malloc(sizeof(reg_t) * num_regs); armv7m_core_reg_t *arch_info = malloc(sizeof(armv7m_core_reg_t) * num_regs); int i; - + if (armv7m_core_reg_arch_type == -1) { armv7m_core_reg_arch_type = register_reg_arch_type(armv7m_get_core_reg, armv7m_set_core_reg); } - + register_init_dummy(&armv7m_gdb_dummy_fps_reg); +#ifdef ARMV7_GDB_HACKS register_init_dummy(&armv7m_gdb_dummy_cpsr_reg); +#endif register_init_dummy(&armv7m_gdb_dummy_fp_reg); - - /* Build the process context cache */ + + /* Build the process context cache */ cache->name = "arm v7m registers"; cache->next = NULL; cache->reg_list = reg_list; cache->num_regs = num_regs; (*cache_p) = cache; armv7m->core_cache = cache; - + for (i = 0; i < num_regs; i++) { arch_info[i] = armv7m_core_reg_list_arch_info[i]; @@ -499,25 +501,25 @@ reg_cache_t *armv7m_build_reg_cache(target_t *target) reg_list[i].arch_type = armv7m_core_reg_arch_type; reg_list[i].arch_info = &arch_info[i]; } - + return cache; } int armv7m_init_target(struct command_context_s *cmd_ctx, struct target_s *target) { armv7m_build_reg_cache(target); - + return ERROR_OK; } int armv7m_init_arch_info(target_t *target, armv7m_common_t *armv7m) { /* register arch-specific functions */ - + target->arch_info = armv7m; armv7m->read_core_reg = armv7m_read_core_reg; armv7m->write_core_reg = armv7m_write_core_reg; - + return ERROR_OK; } @@ -532,8 +534,8 @@ int armv7m_checksum_memory(struct target_s *target, u32 address, u32 count, u32* armv7m_algorithm_t armv7m_info; reg_param_t reg_params[2]; int retval; - - u16 cortex_m3_crc_code[] = { + + u16 cortex_m3_crc_code[] = { 0x4602, /* mov r2, r0 */ 0xF04F, 0x30FF, /* mov r0, #0xffffffff */ 0x460B, /* mov r3, r1 */ @@ -543,7 +545,7 @@ int armv7m_checksum_memory(struct target_s *target, u32 address, u32 count, u32* 0x5D11, /* ldrb r1, [r2, r4] */ 0xF8DF, 0x7028, /* ldr r7, CRC32XOR */ 0xEA80, 0x6001, /* eor r0, r0, r1, asl #24 */ - + 0xF04F, 0x0500, /* mov r5, #0 */ /* loop: */ 0x2800, /* cmp r0, #0 */ @@ -554,7 +556,7 @@ int armv7m_checksum_memory(struct target_s *target, u32 address, u32 count, u32* 0xEA86, 0x0007, /* eor r0, r6, r7 */ 0x2D08, /* cmp r5, #8 */ 0xD1F4, /* bne loop */ - + 0xF104, 0x0401, /* add r4, r4, #1 */ /* ncomp: */ 0x429C, /* cmp r4, r3 */ @@ -565,25 +567,25 @@ int armv7m_checksum_memory(struct target_s *target, u32 address, u32 count, u32* }; int i; - + if (target_alloc_working_area(target, sizeof(cortex_m3_crc_code), &crc_algorithm) != ERROR_OK) { return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; } - + /* convert flash writing code into a buffer in target endianness */ for (i = 0; i < (sizeof(cortex_m3_crc_code)/sizeof(u16)); i++) target_write_u16(target, crc_algorithm->address + i*sizeof(u16), cortex_m3_crc_code[i]); - + armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.core_mode = ARMV7M_MODE_ANY; - + init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - + buf_set_u32(reg_params[0].value, 0, 32, address); buf_set_u32(reg_params[1].value, 0, 32, count); - + if ((retval = target->type->run_algorithm(target, 0, NULL, 2, reg_params, crc_algorithm->address, crc_algorithm->address + (sizeof(cortex_m3_crc_code)-6), 20000, &armv7m_info)) != ERROR_OK) { @@ -593,14 +595,14 @@ int armv7m_checksum_memory(struct target_s *target, u32 address, u32 count, u32* target_free_working_area(target, crc_algorithm); return retval; } - + *checksum = buf_get_u32(reg_params[0].value, 0, 32); - + destroy_reg_param(®_params[0]); destroy_reg_param(®_params[1]); - + target_free_working_area(target, crc_algorithm); - + return ERROR_OK; } @@ -611,7 +613,7 @@ int armv7m_blank_check_memory(struct target_s *target, u32 address, u32 count, u armv7m_algorithm_t armv7m_info; int retval; int i; - + u16 erase_check_code[] = { /* loop: */ @@ -628,11 +630,11 @@ int armv7m_blank_check_memory(struct target_s *target, u32 address, u32 count, u { return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; } - + /* convert flash writing code into a buffer in target endianness */ for (i = 0; i < (sizeof(erase_check_code)/sizeof(u16)); i++) target_write_u16(target, erase_check_algorithm->address + i*sizeof(u16), erase_check_code[i]); - + armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.core_mode = ARMV7M_MODE_ANY; @@ -645,7 +647,7 @@ int armv7m_blank_check_memory(struct target_s *target, u32 address, u32 count, u init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT); buf_set_u32(reg_params[2].value, 0, 32, 0xff); - if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, + if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, erase_check_algorithm->address, erase_check_algorithm->address + (sizeof(erase_check_code)-2), 10000, &armv7m_info)) != ERROR_OK) { destroy_reg_param(®_params[0]); @@ -654,14 +656,14 @@ int armv7m_blank_check_memory(struct target_s *target, u32 address, u32 count, u target_free_working_area(target, erase_check_algorithm); return 0; } - + *blank = buf_get_u32(reg_params[2].value, 0, 32); - + destroy_reg_param(®_params[0]); destroy_reg_param(®_params[1]); destroy_reg_param(®_params[2]); - + target_free_working_area(target, erase_check_algorithm); - + return ERROR_OK; } |