diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/mips_m4k.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c index d7e42652..4774c49c 100644 --- a/src/target/mips_m4k.c +++ b/src/target/mips_m4k.c @@ -57,33 +57,37 @@ static int mips_m4k_examine_debug_reason(struct target *target) int retval; if ((target->debug_reason != DBG_REASON_DBGRQ) - && (target->debug_reason != DBG_REASON_SINGLESTEP)) { - /* get info about inst breakpoint support */ - retval = target_read_u32(target, - ejtag_info->ejtag_ibs_addr, &break_status); - if (retval != ERROR_OK) - return retval; - if (break_status & 0x1f) { - /* we have halted on a breakpoint */ - retval = target_write_u32(target, - ejtag_info->ejtag_ibs_addr, 0); + && (target->debug_reason != DBG_REASON_SINGLESTEP)) { + if (ejtag_info->debug_caps & EJTAG_DCR_IB) { + /* get info about inst breakpoint support */ + retval = target_read_u32(target, + ejtag_info->ejtag_ibs_addr, &break_status); if (retval != ERROR_OK) return retval; - target->debug_reason = DBG_REASON_BREAKPOINT; + if (break_status & 0x1f) { + /* we have halted on a breakpoint */ + retval = target_write_u32(target, + ejtag_info->ejtag_ibs_addr, 0); + if (retval != ERROR_OK) + return retval; + target->debug_reason = DBG_REASON_BREAKPOINT; + } } - /* get info about data breakpoint support */ - retval = target_read_u32(target, - ejtag_info->ejtag_dbs_addr, &break_status); - if (retval != ERROR_OK) - return retval; - if (break_status & 0x1f) { - /* we have halted on a breakpoint */ - retval = target_write_u32(target, - ejtag_info->ejtag_dbs_addr, 0); + if (ejtag_info->debug_caps & EJTAG_DCR_DB) { + /* get info about data breakpoint support */ + retval = target_read_u32(target, + ejtag_info->ejtag_dbs_addr, &break_status); if (retval != ERROR_OK) return retval; - target->debug_reason = DBG_REASON_WATCHPOINT; + if (break_status & 0x1f) { + /* we have halted on a breakpoint */ + retval = target_write_u32(target, + ejtag_info->ejtag_dbs_addr, 0); + if (retval != ERROR_OK) + return retval; + target->debug_reason = DBG_REASON_WATCHPOINT; + } } } |