diff options
Diffstat (limited to 'src/target/arm7_9_common.c')
| -rw-r--r-- | src/target/arm7_9_common.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index e31b0151..a7d756a3 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -860,16 +860,26 @@ int arm7_9_soft_reset_halt(struct target_s *target) reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; int i; + int retval; - if (target->state == TARGET_RUNNING) - { - target->type->halt(target); - } + if ((retval=target->type->halt(target))!=ERROR_OK) + return retval; - while (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) + for (i=0; i<10; i++) { + if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) != 0) + break; embeddedice_read_reg(dbg_stat); - jtag_execute_queue(); + if ((retval=jtag_execute_queue())!=ERROR_OK) + return retval; + /* do not eat all CPU, time out after 1 se*/ + usleep(100*1000); + + } + if (i==10) + { + ERROR("Failed to halt CPU after 1 sec"); + return ERROR_TARGET_TIMEOUT; } target->state = TARGET_HALTED; @@ -962,7 +972,7 @@ int arm7_9_halt(target_t *target) if (target->state == TARGET_HALTED) { WARNING("target was already halted"); - return ERROR_TARGET_ALREADY_HALTED; + return ERROR_OK; } if (target->state == TARGET_UNKNOWN) |