diff options
Diffstat (limited to 'src/target/etm.c')
| -rw-r--r-- | src/target/etm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/target/etm.c b/src/target/etm.c index 61ee99a0..5c42fb59 100644 --- a/src/target/etm.c +++ b/src/target/etm.c @@ -496,6 +496,7 @@ static int etm_read_reg_w_check(struct reg *reg, const struct etm_reg_info *r = etm_reg->reg_info; uint8_t reg_addr = r->addr & 0x7f; struct scan_field fields[3]; + int retval; if (etm_reg->reg_info->mode == WO) { LOG_ERROR("BUG: can't read write-only register %s", r->name); @@ -505,7 +506,9 @@ static int etm_read_reg_w_check(struct reg *reg, LOG_DEBUG("%s (%u)", r->name, reg_addr); arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE); - arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + retval = arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + if (retval != ERROR_OK) + return retval; fields[0].num_bits = 32; fields[0].out_value = reg->value; @@ -577,6 +580,7 @@ static int etm_write_reg(struct reg *reg, uint32_t value) const struct etm_reg_info *r = etm_reg->reg_info; uint8_t reg_addr = r->addr & 0x7f; struct scan_field fields[3]; + int retval; if (etm_reg->reg_info->mode == RO) { LOG_ERROR("BUG: can't write read--only register %s", r->name); @@ -586,7 +590,9 @@ static int etm_write_reg(struct reg *reg, uint32_t value) LOG_DEBUG("%s (%u): 0x%8.8" PRIx32 "", r->name, reg_addr, value); arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE); - arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + retval = arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + if (retval != ERROR_OK) + return retval; fields[0].num_bits = 32; uint8_t tmp1[4]; |