X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Farmv7m.c;h=4fcde16fd4d865ef47c604084fd9aac75844e690;hb=94e90cbf16cb14c997e68b780b1c4397f2cc2257;hp=ec111760d5dd4e6f6914ebcd381b7005a5f68cbf;hpb=4c9f29bd9c9e38c3f495f8c26869f4dfe8fe9983;p=openocd.git diff --git a/src/target/armv7m.c b/src/target/armv7m.c index ec111760d5..4fcde16fd4 100644 --- a/src/target/armv7m.c +++ b/src/target/armv7m.c @@ -82,7 +82,7 @@ struct reg armv7m_gdb_dummy_cpsr_reg = */ static const struct { unsigned id; - char *name; + const char *name; unsigned bits; } armv7m_regs[] = { { ARMV7M_R0, "r0", 32 }, @@ -139,9 +139,6 @@ int armv7m_restore_context(struct target *target) } } - if (armv7m->post_restore_context) - armv7m->post_restore_context(target); - return ERROR_OK; } @@ -316,7 +313,7 @@ static int armv7m_run_and_wait(struct target *target, uint32_t entry_point, int } armv7m->load_core_reg_u32(target, ARMV7M_REGISTER_CORE_GP, 15, &pc); - if (pc != exit_point) + if (exit_point && (pc != exit_point)) { LOG_DEBUG("failed algoritm halted at 0x%" PRIx32 " ", pc); return ERROR_TARGET_TIMEOUT; @@ -469,14 +466,15 @@ int armv7m_arch_state(struct target *target) sp = buf_get_u32(armv7m->core_cache->reg_list[ARMV7M_R13].value, 0, 32); LOG_USER("target halted due to %s, current mode: %s %s\n" - "xPSR: %#8.8" PRIx32 " pc: %#8.8" PRIx32 " %csp: %#8.8" PRIx32, + "xPSR: %#8.8" PRIx32 " pc: %#8.8" PRIx32 " %csp: %#8.8" PRIx32 "%s", debug_reason_name(target), armv7m_mode_strings[armv7m->core_mode], armv7m_exception_string(armv7m->exception_number), buf_get_u32(arm->cpsr->value, 0, 32), buf_get_u32(arm->pc->value, 0, 32), (ctrl & 0x02) ? 'p' : 'm', - sp); + sp, + arm->is_semihosting ? ", semihosting" : ""); return ERROR_OK; } @@ -529,6 +527,12 @@ struct reg_cache *armv7m_build_reg_cache(struct target *target) return cache; } +static int armv7m_setup_semihosting(struct target *target, int enable) +{ + /* nothing todo for armv7m */ + return ERROR_OK; +} + /** Sets up target as a generic ARMv7-M core */ int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m) { @@ -538,6 +542,7 @@ int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m) arm->core_type = ARM_MODE_THREAD; arm->arch_info = armv7m; + arm->setup_semihosting = armv7m_setup_semihosting; /* FIXME remove v7m-specific r/w core_reg functions; * use the generic ARM core support.. @@ -557,6 +562,8 @@ int armv7m_checksum_memory(struct target *target, struct reg_param reg_params[2]; int retval; + /* see contib/loaders/checksum/armv7m_crc.s for src */ + static const uint16_t cortex_m3_crc_code[] = { 0x4602, /* mov r2, r0 */ 0xF04F, 0x30FF, /* mov r0, #0xffffffff */ @@ -610,8 +617,10 @@ int armv7m_checksum_memory(struct target *target, buf_set_u32(reg_params[0].value, 0, 32, address); buf_set_u32(reg_params[1].value, 0, 32, count); + int timeout = 20000 * (1 + (count / (1024 * 1024))); + if ((retval = target_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) + crc_algorithm->address, crc_algorithm->address + (sizeof(cortex_m3_crc_code)-6), timeout, &armv7m_info)) != ERROR_OK) { LOG_ERROR("error executing cortex_m3 crc algorithm"); destroy_reg_param(®_params[0]); @@ -731,160 +740,12 @@ int armv7m_maybe_skip_bkpt_inst(struct target *target, bool *inst_found) return ERROR_OK; } -/*--------------------------------------------------------------------------*/ - -/* - * Only stuff below this line should need to verify that its target - * is an ARMv7-M node. - */ - - -/* - * Return the debug ap baseaddress in hexadecimal; - * no extra output to simplify script processing - */ -COMMAND_HANDLER(handle_dap_baseaddr_command) -{ - struct target *target = get_current_target(CMD_CTX); - struct armv7m_common *armv7m = target_to_armv7m(target); - struct swjdp_common *swjdp = &armv7m->swjdp_info; - - if (!is_armv7m(armv7m)) { - command_print(CMD_CTX, "current target isn't an ARM7-M"); - return ERROR_TARGET_INVALID; - } - - return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp); -} - -/* - * Return the debug ap id in hexadecimal; - * no extra output to simplify script processing - */ -COMMAND_HANDLER(handle_dap_apid_command) -{ - struct target *target = get_current_target(CMD_CTX); - struct armv7m_common *armv7m = target_to_armv7m(target); - struct swjdp_common *swjdp = &armv7m->swjdp_info; - - if (!is_armv7m(armv7m)) { - command_print(CMD_CTX, "current target isn't an ARM7-M"); - return ERROR_TARGET_INVALID; - } - - return CALL_COMMAND_HANDLER(dap_apid_command, swjdp); -} - -COMMAND_HANDLER(handle_dap_apsel_command) -{ - struct target *target = get_current_target(CMD_CTX); - struct armv7m_common *armv7m = target_to_armv7m(target); - struct swjdp_common *swjdp = &armv7m->swjdp_info; - - if (!is_armv7m(armv7m)) { - command_print(CMD_CTX, "current target isn't an ARM7-M"); - return ERROR_TARGET_INVALID; - } - - return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp); -} - -COMMAND_HANDLER(handle_dap_memaccess_command) -{ - struct target *target = get_current_target(CMD_CTX); - struct armv7m_common *armv7m = target_to_armv7m(target); - struct swjdp_common *swjdp = &armv7m->swjdp_info; - - if (!is_armv7m(armv7m)) { - command_print(CMD_CTX, "current target isn't an ARM7-M"); - return ERROR_TARGET_INVALID; - } - - return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp); -} - - -COMMAND_HANDLER(handle_dap_info_command) -{ - struct target *target = get_current_target(CMD_CTX); - struct armv7m_common *armv7m = target_to_armv7m(target); - struct swjdp_common *swjdp = &armv7m->swjdp_info; - uint32_t apsel; - - if (!is_armv7m(armv7m)) { - command_print(CMD_CTX, "current target isn't an ARM7-M"); - return ERROR_TARGET_INVALID; - } - - switch (CMD_ARGC) { - case 0: - apsel = swjdp->apsel; - break; - case 1: - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel); - break; - default: - return ERROR_COMMAND_SYNTAX_ERROR; - } - - return dap_info_command(CMD_CTX, swjdp, apsel); -} - -/* FIXME this table should be part of generic DAP support, and - * be shared by the ARMv7-A/R and ARMv7-M support ... - */ -static const struct command_registration armv7m_exec_command_handlers[] = { - { - .name = "info", - .handler = handle_dap_info_command, - .mode = COMMAND_EXEC, - .help = "display ROM table for MEM-AP " - "(default currently selected AP)", - .usage = "[ap_num]", - }, - { - .name = "apsel", - .handler = handle_dap_apsel_command, - .mode = COMMAND_EXEC, - .help = "Set the currently selected AP (default 0) " - "and display the result", - .usage = "[ap_num]", - }, - { - .name = "apid", - .handler = handle_dap_apid_command, - .mode = COMMAND_EXEC, - .help = "return ID register from AP " - "(default currently selected AP)", - .usage = "[ap_num]", - }, - { - .name = "baseaddr", - .handler = handle_dap_baseaddr_command, - .mode = COMMAND_EXEC, - .help = "return debug base address from MEM-AP " - "(default currently selected AP)", - .usage = "[ap_num]", - }, - { - .name = "memaccess", - .handler = handle_dap_memaccess_command, - .mode = COMMAND_EXEC, - .help = "set/get number of extra tck for MEM-AP memory " - "bus access [0-255]", - .usage = "[cycles]", - }, - COMMAND_REGISTRATION_DONE -}; const struct command_registration armv7m_command_handlers[] = { { .chain = arm_command_handlers, }, { - .name = "dap", - .mode = COMMAND_EXEC, - .help = "Cortex DAP command group", - .chain = armv7m_exec_command_handlers, + .chain = dap_command_handlers, }, COMMAND_REGISTRATION_DONE };