diff options
Diffstat (limited to 'src/target/arm720t.c')
-rw-r--r-- | src/target/arm720t.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/target/arm720t.c b/src/target/arm720t.c index 6b2e2151..118fff45 100644 --- a/src/target/arm720t.c +++ b/src/target/arm720t.c @@ -365,14 +365,28 @@ int arm720t_soft_reset_halt(struct target_s *target) arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info; arm720t_common_t *arm720t = arm7tdmi->arch_info; + int i; reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT]; target->type->halt(target); - while (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) + for (i=0; i<10; i++) { - embeddedice_read_reg(dbg_stat); - jtag_execute_queue(); + if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0) + { + embeddedice_read_reg(dbg_stat); + jtag_execute_queue(); + } else + { + break; + } + /* do not eat all CPU, time out after 1 se*/ + usleep(100*1000); + } + if (i==10) + { + LOG_ERROR("Failed to halt CPU after 1 sec"); + return ERROR_TARGET_TIMEOUT; } target->state = TARGET_HALTED; |