diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/cortex_m.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index 8000b9a8..2a283cdb 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -124,16 +124,20 @@ static int cortexm3_dap_write_coreregister_u32(struct adiv5_dap *swjdp, if (retval != ERROR_OK) return retval; retval = dap_queue_ap_write(swjdp, AP_REG_BD0 | (DCB_DCRDR & 0xC), value); - // XXX check retval + if (retval != ERROR_OK) + return retval; /* mem_ap_write_u32(swjdp, DCB_DCRSR, i | DCRSR_WnR); */ retval = dap_setup_accessport(swjdp, CSW_32BIT | CSW_ADDRINC_OFF, DCB_DCRSR & 0xFFFFFFF0); if (retval != ERROR_OK) return retval; retval = dap_queue_ap_write(swjdp, AP_REG_BD0 | (DCB_DCRSR & 0xC), regnum | DCRSR_WnR); - // XXX check retval + if (retval != ERROR_OK) + return retval; retval = dap_run(swjdp); + if (retval != ERROR_OK) + return retval; /* restore DCB_DCRDR - this needs to be in a seperate * transaction otherwise the emulated DCC channel breaks */ |