X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm9tdmi.c;h=761e7cf7814e889efe4de8a7cbb02e1082ce4ea5;hp=7176ab377d30b10b0559a1231893fbfa81a6fb8d;hb=4960c9018f2560b11ede91cde8a68dc56c690159;hpb=8012b3963fc49c7edf87f31a93bc0039095f5b59 diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c index 7176ab377d..761e7cf781 100644 --- a/src/target/arm9tdmi.c +++ b/src/target/arm9tdmi.c @@ -29,6 +29,8 @@ #include "arm9tdmi.h" #include "target_type.h" +#include "register.h" +#include "arm_opcodes.h" /* @@ -45,8 +47,22 @@ #define _DEBUG_INSTRUCTION_EXECUTION_ #endif -static const arm9tdmi_vector_t arm9tdmi_vectors[] = +enum arm9tdmi_vector_bit { + ARM9TDMI_RESET_VECTOR = 0x01, + ARM9TDMI_UNDEF_VECTOR = 0x02, + ARM9TDMI_SWI_VECTOR = 0x04, + ARM9TDMI_PABT_VECTOR = 0x08, + ARM9TDMI_DABT_VECTOR = 0x10, + /* BIT(5) reserved -- must be zero */ + ARM9TDMI_IRQ_VECTOR = 0x40, + ARM9TDMI_FIQ_VECTOR = 0x80, +}; + +static const struct arm9tdmi_vector { + char *name; + uint32_t value; +} arm9tdmi_vectors[] = { {"reset", ARM9TDMI_RESET_VECTOR}, {"undef", ARM9TDMI_UNDEF_VECTOR}, {"swi", ARM9TDMI_SWI_VECTOR}, @@ -57,7 +73,7 @@ static const arm9tdmi_vector_t arm9tdmi_vectors[] = {0, 0}, }; -int arm9tdmi_examine_debug_reason(target_t *target) +int arm9tdmi_examine_debug_reason(struct target *target) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -124,7 +140,7 @@ int arm9tdmi_examine_debug_reason(target_t *target) /* put an instruction in the ARM9TDMI pipeline or write the data bus, * and optionally read data */ -int arm9tdmi_clock_out(arm_jtag_t *jtag_info, uint32_t instr, +int arm9tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t instr, uint32_t out, uint32_t *in, int sysspeed) { int retval = ERROR_OK; @@ -198,7 +214,7 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, uint32_t instr, } /* just read data (instruction and data-out = don't care) */ -int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, uint32_t *in) +int arm9tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) { int retval = ERROR_OK;; struct scan_field fields[3]; @@ -253,8 +269,6 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, uint32_t *in) return ERROR_OK; } -extern void arm_endianness(uint8_t *tmp, void *in, int size, int be, int flip); - static int arm9endianness(jtag_callback_data_t arg, jtag_callback_data_t size, jtag_callback_data_t be, jtag_callback_data_t captured) @@ -269,7 +283,7 @@ static int arm9endianness(jtag_callback_data_t arg, * the *in pointer points to a buffer where elements of 'size' bytes * are stored in big (be == 1) or little (be == 0) endianness */ -int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, +int arm9tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info, void *in, int size, int be) { int retval = ERROR_OK; @@ -325,12 +339,12 @@ int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, return ERROR_OK; } -static void arm9tdmi_change_to_arm(target_t *target, +static void arm9tdmi_change_to_arm(struct target *target, uint32_t *r0, uint32_t *pc) { int retval = ERROR_OK; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* save r0 before using it and put system in ARM state * to allow common handling of ARM and THUMB debugging */ @@ -379,12 +393,12 @@ static void arm9tdmi_change_to_arm(target_t *target, *pc -= 0xc; } -void arm9tdmi_read_core_regs(target_t *target, +void arm9tdmi_read_core_regs(struct target *target, uint32_t mask, uint32_t* core_regs[16]) { int i; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* STMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -404,12 +418,12 @@ void arm9tdmi_read_core_regs(target_t *target, } } -static void arm9tdmi_read_core_regs_target_buffer(target_t *target, +static void arm9tdmi_read_core_regs_target_buffer(struct target *target, uint32_t mask, void* buffer, int size) { int i; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; int be = (target->endianness == TARGET_BIG_ENDIAN) ? 1 : 0; uint32_t *buf_u32 = buffer; uint16_t *buf_u16 = buffer; @@ -444,10 +458,10 @@ static void arm9tdmi_read_core_regs_target_buffer(target_t *target, } } -static void arm9tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr) +static void arm9tdmi_read_xpsr(struct target *target, uint32_t *xpsr, int spsr) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* MRS r0, cpsr */ arm9tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), 0, NULL, 0); @@ -466,10 +480,10 @@ static void arm9tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr) arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, xpsr, 0); } -static void arm9tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr) +static void arm9tdmi_write_xpsr(struct target *target, uint32_t xpsr, int spsr) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr); @@ -500,11 +514,11 @@ static void arm9tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr) arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); } -static void arm9tdmi_write_xpsr_im8(target_t *target, +static void arm9tdmi_write_xpsr_im8(struct target *target, uint8_t xpsr_im, int rot, int spsr) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr); @@ -525,12 +539,12 @@ static void arm9tdmi_write_xpsr_im8(target_t *target, } } -void arm9tdmi_write_core_regs(target_t *target, +void arm9tdmi_write_core_regs(struct target *target, uint32_t mask, uint32_t core_regs[16]) { int i; struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* LDMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -551,70 +565,70 @@ void arm9tdmi_write_core_regs(target_t *target, arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); } -void arm9tdmi_load_word_regs(target_t *target, uint32_t mask) +void arm9tdmi_load_word_regs(struct target *target, uint32_t mask) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load-multiple into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 1), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -void arm9tdmi_load_hword_reg(target_t *target, int num) +void arm9tdmi_load_hword_reg(struct target *target, int num) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load half-word into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRH_IP(num, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -void arm9tdmi_load_byte_reg(target_t *target, int num) +void arm9tdmi_load_byte_reg(struct target *target, int num) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed load byte into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRB_IP(num, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -void arm9tdmi_store_word_regs(target_t *target, uint32_t mask) +void arm9tdmi_store_word_regs(struct target *target, uint32_t mask) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store-multiple into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask, 0, 1), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -void arm9tdmi_store_hword_reg(target_t *target, int num) +void arm9tdmi_store_hword_reg(struct target *target, int num) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store half-word into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_STRH_IP(num, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -void arm9tdmi_store_byte_reg(target_t *target, int num) +void arm9tdmi_store_byte_reg(struct target *target, int num) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* put system-speed store byte into the pipeline */ arm9tdmi_clock_out(jtag_info, ARMV4_5_STRB_IP(num, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -static void arm9tdmi_write_pc(target_t *target, uint32_t pc) +static void arm9tdmi_write_pc(struct target *target, uint32_t pc) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; /* LDMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -635,23 +649,23 @@ static void arm9tdmi_write_pc(target_t *target, uint32_t pc) arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); } -void arm9tdmi_branch_resume(target_t *target) +void arm9tdmi_branch_resume(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - arm_jtag_t *jtag_info = &arm7_9->jtag_info; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; arm9tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffc, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); } -static void arm9tdmi_branch_resume_thumb(target_t *target) +static void arm9tdmi_branch_resume_thumb(struct target *target) { LOG_DEBUG("-"); struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common; - arm_jtag_t *jtag_info = &arm7_9->jtag_info; - reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; + struct arm *armv4_5 = &arm7_9->armv4_5_common; + struct arm_jtag *jtag_info = &arm7_9->jtag_info; + struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; /* LDMIA r0-15, [r0] at debug speed * register values will start to appear on 4th DCLK @@ -703,7 +717,7 @@ static void arm9tdmi_branch_resume_thumb(target_t *target) arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0); } -void arm9tdmi_enable_single_step(target_t *target, uint32_t next_pc) +void arm9tdmi_enable_single_step(struct target *target, uint32_t next_pc) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -718,7 +732,7 @@ void arm9tdmi_enable_single_step(target_t *target, uint32_t next_pc) } } -void arm9tdmi_disable_single_step(target_t *target) +void arm9tdmi_disable_single_step(struct target *target) { struct arm7_9_common *arm7_9 = target_to_arm7_9(target); @@ -733,67 +747,24 @@ void arm9tdmi_disable_single_step(target_t *target) } } -static void arm9tdmi_build_reg_cache(target_t *target) +static void arm9tdmi_build_reg_cache(struct target *target) { - reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache); - struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target); + struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache); + struct arm *armv4_5 = target_to_arm(target); - (*cache_p) = armv4_5_build_reg_cache(target, armv4_5); - armv4_5->core_cache = (*cache_p); + (*cache_p) = arm_build_reg_cache(target, armv4_5); } -int arm9tdmi_examine(struct target_s *target) -{ - int retval; - struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - - if (!target_was_examined(target)) - { - reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache); - reg_cache_t *t; - /* one extra register (vector catch) */ - t = embeddedice_build_reg_cache(target, arm7_9); - if (t == NULL) - return ERROR_FAIL; - (*cache_p) = t; - arm7_9->eice_cache = (*cache_p); - - if (arm7_9->armv4_5_common.etm) - { - arm_jtag_t *jtag_info = &arm7_9->jtag_info; - (*cache_p)->next = etm_build_reg_cache(target, - jtag_info, arm7_9->armv4_5_common.etm); - arm7_9->armv4_5_common.etm->reg_cache = (*cache_p)->next; - } - target_set_examined(target); - } - if ((retval = embeddedice_setup(target)) != ERROR_OK) - return retval; - if ((retval = arm7_9_setup(target)) != ERROR_OK) - return retval; - if (arm7_9->armv4_5_common.etm) - { - if ((retval = etm_setup(target)) != ERROR_OK) - return retval; - } - return ERROR_OK; -} - -int arm9tdmi_init_target(struct command_context_s *cmd_ctx, - struct target_s *target) +int arm9tdmi_init_target(struct command_context *cmd_ctx, + struct target *target) { arm9tdmi_build_reg_cache(target); return ERROR_OK; } -int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, struct jtag_tap *tap) +int arm9tdmi_init_arch_info(struct target *target, + struct arm7_9_common *arm7_9, struct jtag_tap *tap) { - armv4_5_common_t *armv4_5; - struct arm7_9_common *arm7_9; - - arm7_9 = &arm9tdmi->arm7_9_common; - armv4_5 = &arm7_9->armv4_5_common; - /* prepare JTAG information for the new target */ arm7_9->jtag_info.tap = tap; arm7_9->jtag_info.scann_size = 5; @@ -846,27 +817,33 @@ int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, struc return ERROR_OK; } -static int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp) +static int arm9tdmi_target_create(struct target *target, Jim_Interp *interp) { - arm9tdmi_common_t *arm9tdmi = calloc(1,sizeof(arm9tdmi_common_t)); + struct arm7_9_common *arm7_9 = calloc(1,sizeof(struct arm7_9_common)); - arm9tdmi_init_arch_info(target, arm9tdmi, target->tap); - arm9tdmi->arm7_9_common.armv4_5_common.is_armv4 = true; + arm9tdmi_init_arch_info(target, arm7_9, target->tap); + arm7_9->armv4_5_common.is_armv4 = true; return ERROR_OK; } COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) { - target_t *target = get_current_target(cmd_ctx); + struct target *target = get_current_target(CMD_CTX); struct arm7_9_common *arm7_9 = target_to_arm7_9(target); - reg_t *vector_catch; + struct reg *vector_catch; uint32_t vector_catch_value; + if (!target_was_examined(target)) + { + LOG_ERROR("Target not examined yet"); + return ERROR_FAIL; + } + /* it's uncommon, but some ARM7 chips can support this */ if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC || !arm7_9->has_vector_catch) { - command_print(cmd_ctx, "target doesn't have EmbeddedICE " + command_print(CMD_CTX, "target doesn't have EmbeddedICE " "with vector_catch"); return ERROR_TARGET_INVALID; } @@ -880,26 +857,26 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* get the current setting */ vector_catch_value = buf_get_u32(vector_catch->value, 0, 8); - if (argc > 0) + if (CMD_ARGC > 0) { vector_catch_value = 0x0; - if (strcmp(args[0], "all") == 0) + if (strcmp(CMD_ARGV[0], "all") == 0) { vector_catch_value = 0xdf; } - else if (strcmp(args[0], "none") == 0) + else if (strcmp(CMD_ARGV[0], "none") == 0) { /* do nothing */ } else { - for (unsigned i = 0; i < argc; i++) + for (unsigned i = 0; i < CMD_ARGC; i++) { /* go through list of vectors */ unsigned j; for (j = 0; arm9tdmi_vectors[j].name; j++) { - if (strcmp(args[i], arm9tdmi_vectors[j].name) == 0) + if (strcmp(CMD_ARGV[i], arm9tdmi_vectors[j].name) == 0) { vector_catch_value |= arm9tdmi_vectors[j].value; break; @@ -909,7 +886,7 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* complain if vector wasn't found */ if (!arm9tdmi_vectors[j].name) { - command_print(cmd_ctx, "vector '%s' not found, leaving current setting unchanged", args[i]); + command_print(CMD_CTX, "vector '%s' not found, leaving current setting unchanged", CMD_ARGV[i]); /* reread current setting */ vector_catch_value = buf_get_u32( @@ -928,7 +905,7 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* output current settings */ for (unsigned i = 0; arm9tdmi_vectors[i].name; i++) { - command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name, + command_print(CMD_CTX, "%s: %s", arm9tdmi_vectors[i].name, (vector_catch_value & arm9tdmi_vectors[i].value) ? "catch" : "don't catch"); } @@ -936,29 +913,37 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) return ERROR_OK; } -int arm9tdmi_register_commands(struct command_context_s *cmd_ctx) -{ - int retval; - command_t *arm9tdmi_cmd; - - retval = arm7_9_register_commands(cmd_ctx); - arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9", - NULL, COMMAND_ANY, - "arm9 specific commands"); - register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", - handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, - "arm9 vector_catch [all|none|reset|undef|swi|pabt|dabt|irq|fiq] ..."); - - return retval; -} +static const struct command_registration arm9tdmi_exec_command_handlers[] = { + { + .name = "vector_catch", + .handler = handle_arm9tdmi_catch_vectors_command, + .mode = COMMAND_EXEC, + .help = "Display, after optionally updating, configuration " + "of vector catch unit.", + .usage = "[all|none|(reset|undef|swi|pabt|dabt|irq|fiq)*]", + }, + COMMAND_REGISTRATION_DONE +}; +const struct command_registration arm9tdmi_command_handlers[] = { + { + .chain = arm7_9_command_handlers, + }, + { + .name = "arm9tdmi", + .mode = COMMAND_ANY, + .help = "arm9tdmi command group", + .chain = arm9tdmi_exec_command_handlers, + }, + COMMAND_REGISTRATION_DONE +}; /** Holds methods for ARM9TDMI targets. */ -target_type_t arm9tdmi_target = +struct target_type arm9tdmi_target = { .name = "arm9tdmi", .poll = arm7_9_poll, - .arch_state = armv4_5_arch_state, + .arch_state = arm_arch_state, .target_request_data = arm7_9_target_request_data, @@ -970,13 +955,14 @@ target_type_t arm9tdmi_target = .deassert_reset = arm7_9_deassert_reset, .soft_reset_halt = arm7_9_soft_reset_halt, - .get_gdb_reg_list = armv4_5_get_gdb_reg_list, + .get_gdb_reg_list = arm_get_gdb_reg_list, .read_memory = arm7_9_read_memory, .write_memory = arm7_9_write_memory, .bulk_write_memory = arm7_9_bulk_write_memory, - .checksum_memory = arm7_9_checksum_memory, - .blank_check_memory = arm7_9_blank_check_memory, + + .checksum_memory = arm_checksum_memory, + .blank_check_memory = arm_blank_check_memory, .run_algorithm = armv4_5_run_algorithm, @@ -985,8 +971,9 @@ target_type_t arm9tdmi_target = .add_watchpoint = arm7_9_add_watchpoint, .remove_watchpoint = arm7_9_remove_watchpoint, - .register_commands = arm9tdmi_register_commands, + .commands = arm9tdmi_command_handlers, .target_create = arm9tdmi_target_create, .init_target = arm9tdmi_init_target, - .examine = arm9tdmi_examine, + .examine = arm7_9_examine, + .check_reset = arm7_9_check_reset, };