diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/cortex_m3.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index e99e99c0..7e48dae1 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -858,9 +858,8 @@ cortex_m3_set_breakpoint(struct target *target, struct breakpoint *breakpoint) fp_num++; if (fp_num >= cortex_m3->fp_num_code) { - LOG_DEBUG("ERROR Can not find free FP Comparator"); - LOG_WARNING("ERROR Can not find free FP Comparator"); - exit(-1); + LOG_ERROR("Can not find free FPB Comparator!"); + return ERROR_FAIL; } breakpoint->set = fp_num + 1; hilo = (breakpoint->address & 0x2) ? FPCR_REPLACE_BKPT_HIGH : FPCR_REPLACE_BKPT_LOW; @@ -1372,16 +1371,11 @@ static int cortex_m3_read_memory(struct target *target, uint32_t address, { struct armv7m_common *armv7m = target_to_armv7m(target); struct swjdp_common *swjdp = &armv7m->swjdp_info; - int retval; - - /* sanitize arguments */ - if (((size != 4) && (size != 2) && (size != 1)) || (count == 0) || !(buffer)) - return ERROR_INVALID_ARGUMENTS; + int retval = ERROR_INVALID_ARGUMENTS; /* cortex_m3 handles unaligned memory access */ - - switch (size) - { + if (count && buffer) { + switch (size) { case 4: retval = mem_ap_read_buf_u32(swjdp, buffer, 4 * count, address); break; @@ -1391,9 +1385,7 @@ static int cortex_m3_read_memory(struct target *target, uint32_t address, case 1: retval = mem_ap_read_buf_u8(swjdp, buffer, count, address); break; - default: - LOG_ERROR("BUG: we shouldn't get here"); - exit(-1); + } } return retval; @@ -1404,14 +1396,10 @@ static int cortex_m3_write_memory(struct target *target, uint32_t address, { struct armv7m_common *armv7m = target_to_armv7m(target); struct swjdp_common *swjdp = &armv7m->swjdp_info; - int retval; - - /* sanitize arguments */ - if (((size != 4) && (size != 2) && (size != 1)) || (count == 0) || !(buffer)) - return ERROR_INVALID_ARGUMENTS; + int retval = ERROR_INVALID_ARGUMENTS; - switch (size) - { + if (count && buffer) { + switch (size) { case 4: retval = mem_ap_write_buf_u32(swjdp, buffer, 4 * count, address); break; @@ -1421,9 +1409,7 @@ static int cortex_m3_write_memory(struct target *target, uint32_t address, case 1: retval = mem_ap_write_buf_u8(swjdp, buffer, count, address); break; - default: - LOG_ERROR("BUG: we shouldn't get here"); - exit(-1); + } } return retval; |