diff options
| -rw-r--r-- | hw/ppc/spapr.c | 12 | ||||
| -rw-r--r-- | hw/ppc/xics.c | 57 | ||||
| -rw-r--r-- | hw/xics.h | 3 |
3 files changed, 34 insertions, 38 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 74ae83bb77..7b2a11fbe4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -779,6 +779,11 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) spapr->htab_shift++; } + /* Set up Interrupt Controller before we create the VCPUs */ + spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, + XICS_IRQS); + spapr->next_irq = XICS_IRQ_BASE; + /* init CPUs */ if (cpu_model == NULL) { cpu_model = kvm_enabled() ? "host" : "POWER7"; @@ -791,6 +796,8 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) } env = &cpu->env; + xics_cpu_setup(spapr->icp, cpu); + /* Set time-base frequency to 512 MHz */ cpu_ppc_tb_init(env, TIMEBASE_FREQ); @@ -830,11 +837,6 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) } g_free(filename); - - /* Set up Interrupt Controller */ - spapr->icp = xics_system_init(XICS_IRQS); - spapr->next_irq = XICS_IRQ_BASE; - /* Set up EPOW events infrastructure */ spapr_events_init(spapr); diff --git a/hw/ppc/xics.c b/hw/ppc/xics.c index c3ef12fff4..374da5bbfd 100644 --- a/hw/ppc/xics.c +++ b/hw/ppc/xics.c @@ -521,45 +521,38 @@ static void xics_reset(void *opaque) } } -struct icp_state *xics_system_init(int nr_irqs) +void xics_cpu_setup(struct icp_state *icp, PowerPCCPU *cpu) { - CPUPPCState *env; - CPUState *cpu; - int max_server_num; - struct icp_state *icp; - struct ics_state *ics; + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; + struct icp_server_state *ss = &icp->ss[cs->cpu_index]; - max_server_num = -1; - for (env = first_cpu; env != NULL; env = env->next_cpu) { - cpu = CPU(ppc_env_get_cpu(env)); - if (cpu->cpu_index > max_server_num) { - max_server_num = cpu->cpu_index; - } - } + assert(cs->cpu_index < icp->nr_servers); - icp = g_malloc0(sizeof(*icp)); - icp->nr_servers = max_server_num + 1; - icp->ss = g_malloc0(icp->nr_servers*sizeof(struct icp_server_state)); + switch (PPC_INPUT(env)) { + case PPC_FLAGS_INPUT_POWER7: + ss->output = env->irq_inputs[POWER7_INPUT_INT]; + break; - for (env = first_cpu; env != NULL; env = env->next_cpu) { - cpu = CPU(ppc_env_get_cpu(env)); - struct icp_server_state *ss = &icp->ss[cpu->cpu_index]; + case PPC_FLAGS_INPUT_970: + ss->output = env->irq_inputs[PPC970_INPUT_INT]; + break; - switch (PPC_INPUT(env)) { - case PPC_FLAGS_INPUT_POWER7: - ss->output = env->irq_inputs[POWER7_INPUT_INT]; - break; + default: + fprintf(stderr, "XICS interrupt controller does not support this CPU " + "bus model\n"); + abort(); + } +} - case PPC_FLAGS_INPUT_970: - ss->output = env->irq_inputs[PPC970_INPUT_INT]; - break; +struct icp_state *xics_system_init(int nr_servers, int nr_irqs) +{ + struct icp_state *icp; + struct ics_state *ics; - default: - hw_error("XICS interrupt model does not support this CPU bus " - "model\n"); - exit(1); - } - } + icp = g_malloc0(sizeof(*icp)); + icp->nr_servers = nr_servers; + icp->ss = g_malloc0(icp->nr_servers*sizeof(struct icp_server_state)); ics = g_malloc0(sizeof(*ics)); ics->nr_irqs = nr_irqs; @@ -35,6 +35,7 @@ struct icp_state; qemu_irq xics_get_qirq(struct icp_state *icp, int irq); void xics_set_irq_type(struct icp_state *icp, int irq, bool lsi); -struct icp_state *xics_system_init(int nr_irqs); +struct icp_state *xics_system_init(int nr_servers, int nr_irqs); +void xics_cpu_setup(struct icp_state *icp, PowerPCCPU *cpu); #endif /* __XICS_H__ */ |