diff options
Diffstat (limited to 'src/target/armv7m.c')
| -rw-r--r-- | src/target/armv7m.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/src/target/armv7m.c b/src/target/armv7m.c index 39a89b94..d9e63d7f 100644 --- a/src/target/armv7m.c +++ b/src/target/armv7m.c @@ -626,17 +626,16 @@ int armv7m_checksum_memory(struct target *target, uint32_t i; - if (target_alloc_working_area(target, sizeof(cortex_m3_crc_code), &crc_algorithm) != ERROR_OK) - { - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } + retval = target_alloc_working_area(target, sizeof(cortex_m3_crc_code), &crc_algorithm); + if (retval != ERROR_OK) + return retval; /* convert flash writing code into a buffer in target endianness */ - for (i = 0; i < ARRAY_SIZE(cortex_m3_crc_code); i++) - if ((retval = target_write_u16(target, crc_algorithm->address + i*sizeof(uint16_t), cortex_m3_crc_code[i])) != ERROR_OK) - { - return retval; - } + for (i = 0; i < ARRAY_SIZE(cortex_m3_crc_code); i++) { + retval = target_write_u16(target, crc_algorithm->address + i*sizeof(uint16_t), cortex_m3_crc_code[i]); + if (retval != ERROR_OK) + goto cleanup; + } armv7m_info.common_magic = ARMV7M_COMMON_MAGIC; armv7m_info.core_mode = ARMV7M_MODE_ANY; @@ -649,24 +648,22 @@ int armv7m_checksum_memory(struct target *target, 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), timeout, &armv7m_info)) != ERROR_OK) - { - LOG_ERROR("error executing cortex_m3 crc algorithm"); - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - target_free_working_area(target, crc_algorithm); - return retval; - } + retval = target_run_algorithm(target, 0, NULL, 2, reg_params, crc_algorithm->address, + crc_algorithm->address + (sizeof(cortex_m3_crc_code) - 6), + timeout, &armv7m_info); - *checksum = buf_get_u32(reg_params[0].value, 0, 32); + if (retval == ERROR_OK) + *checksum = buf_get_u32(reg_params[0].value, 0, 32); + else + LOG_ERROR("error executing cortex_m3 crc algorithm"); destroy_reg_param(®_params[0]); destroy_reg_param(®_params[1]); +cleanup: target_free_working_area(target, crc_algorithm); - return ERROR_OK; + return retval; } /** Checks whether a memory region is zeroed. */ @@ -711,17 +708,12 @@ int armv7m_blank_check_memory(struct target *target, init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT); buf_set_u32(reg_params[2].value, 0, 32, 0xff); - if ((retval = target_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]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - target_free_working_area(target, erase_check_algorithm); - return 0; - } + retval = target_run_algorithm(target, 0, NULL, 3, reg_params, erase_check_algorithm->address, + erase_check_algorithm->address + (sizeof(erase_check_code) - 2), + 10000, &armv7m_info); - *blank = buf_get_u32(reg_params[2].value, 0, 32); + if (retval == ERROR_OK) + *blank = buf_get_u32(reg_params[2].value, 0, 32); destroy_reg_param(®_params[0]); destroy_reg_param(®_params[1]); @@ -729,7 +721,7 @@ int armv7m_blank_check_memory(struct target *target, target_free_working_area(target, erase_check_algorithm); - return ERROR_OK; + return retval; } int armv7m_maybe_skip_bkpt_inst(struct target *target, bool *inst_found) |