diff options
Diffstat (limited to 'core/exceptions.c')
| -rw-r--r-- | core/exceptions.c | 48 |
1 files changed, 5 insertions, 43 deletions
diff --git a/core/exceptions.c b/core/exceptions.c index 995ca92..2b2aa6c 100644 --- a/core/exceptions.c +++ b/core/exceptions.c @@ -362,50 +362,12 @@ void handle_hmi(struct stack_frame *stack); void handle_hmi(struct stack_frame *stack) { - uint64_t hmer, orig_hmer; - bool assert = false; - - orig_hmer = hmer = mfspr(SPR_HMER); - printf("HMI: Received HMI interrupt: HMER = 0x%016llx\n", hmer); - if (hmer & (SPR_HMER_PROC_RECV_DONE - | SPR_HMER_PROC_RECV_ERROR_MASKED)) { - hmer &= ~(SPR_HMER_PROC_RECV_DONE - | SPR_HMER_PROC_RECV_ERROR_MASKED); - printf("HMI: Processor recovery Done.\n"); - } - if (hmer & SPR_HMER_PROC_RECV_AGAIN) { - hmer &= ~SPR_HMER_PROC_RECV_AGAIN; - printf("HMI: Processor recovery occurred again before" - "bit2 was cleared\n"); - } - /* Assert if we see malfunction alert, we can not continue. */ - if (hmer & SPR_HMER_MALFUNCTION_ALERT) { - hmer &= ~SPR_HMER_MALFUNCTION_ALERT; - assert = true; - } + uint64_t orig_hmer; + int recover; - /* Assert if we see Hypervisor resource error, we can not continue. */ - if (hmer & SPR_HMER_HYP_RESOURCE_ERR) { - hmer &= ~SPR_HMER_HYP_RESOURCE_ERR; - assert = true; - } - - /* - * Assert for now for all TOD errors. In future we need to decode - * TFMR and take corrective action wherever required. - */ - if (hmer & (SPR_HMER_TFAC_ERROR | SPR_HMER_TFMR_PARITY_ERROR)) { - hmer &= ~(SPR_HMER_TFAC_ERROR | SPR_HMER_TFMR_PARITY_ERROR); - assert = true; - } - - /* - * HMER bits are sticky, once set to 1 they remain set to 1 until - * they are set to 0. Reset the error source bit to 0, otherwise - * we keep getting HMI interrupt again and again. - */ - mtspr(SPR_HMER, hmer); - if (!assert) + orig_hmer = mfspr(SPR_HMER); + recover = handle_hmi_exception(orig_hmer); + if (recover) return; /* |