diff options
Diffstat (limited to 'hw/xics.c')
| -rw-r--r-- | hw/xics.c | 38 |
1 files changed, 28 insertions, 10 deletions
@@ -489,11 +489,36 @@ static void rtas_int_on(sPAPREnvironment *spapr, uint32_t token, rtas_st(rets, 0, 0); /* Success */ } +static void xics_reset(void *opaque) +{ + struct icp_state *icp = (struct icp_state *)opaque; + struct ics_state *ics = icp->ics; + int i; + + for (i = 0; i < icp->nr_servers; i++) { + icp->ss[i].xirr = 0; + icp->ss[i].pending_priority = 0; + icp->ss[i].mfrr = 0xff; + /* Make all outputs are deasserted */ + qemu_set_irq(icp->ss[i].output, 0); + } + + for (i = 0; i < ics->nr_irqs; i++) { + /* Reset everything *except* the type */ + ics->irqs[i].server = 0; + ics->irqs[i].asserted = 0; + ics->irqs[i].sent = 0; + ics->irqs[i].rejected = 0; + ics->irqs[i].masked_pending = 0; + ics->irqs[i].priority = 0xff; + ics->irqs[i].saved_priority = 0xff; + } +} + struct icp_state *xics_system_init(int nr_irqs) { CPUPPCState *env; int max_server_num; - int i; struct icp_state *icp; struct ics_state *ics; @@ -508,10 +533,6 @@ struct icp_state *xics_system_init(int nr_irqs) icp->nr_servers = max_server_num + 1; icp->ss = g_malloc0(icp->nr_servers*sizeof(struct icp_server_state)); - for (i = 0; i < icp->nr_servers; i++) { - icp->ss[i].mfrr = 0xff; - } - for (env = first_cpu; env != NULL; env = env->next_cpu) { struct icp_server_state *ss = &icp->ss[env->cpu_index]; @@ -539,11 +560,6 @@ struct icp_state *xics_system_init(int nr_irqs) icp->ics = ics; ics->icp = icp; - for (i = 0; i < nr_irqs; i++) { - ics->irqs[i].priority = 0xff; - ics->irqs[i].saved_priority = 0xff; - } - ics->qirqs = qemu_allocate_irqs(ics_set_irq, ics, nr_irqs); spapr_register_hypercall(H_CPPR, h_cppr); @@ -556,5 +572,7 @@ struct icp_state *xics_system_init(int nr_irqs) spapr_rtas_register("ibm,int-off", rtas_int_off); spapr_rtas_register("ibm,int-on", rtas_int_on); + qemu_register_reset(xics_reset, icp); + return icp; } |