diff options
-rw-r--r-- | hw/arm_gic.c | 23 | ||||
-rw-r--r-- | hw/armv7m_nvic.c | 5 |
2 files changed, 5 insertions, 23 deletions
diff --git a/hw/arm_gic.c b/hw/arm_gic.c index 17b2eba..2d8ceb8 100644 --- a/hw/arm_gic.c +++ b/hw/arm_gic.c @@ -25,11 +25,7 @@ /* First 32 are private to each CPU (SGIs and PPIs). */ #define GIC_INTERNAL 32 /* Maximum number of possible CPU interfaces, determined by GIC architecture */ -#ifdef NVIC -#define NCPU 1 -#else #define NCPU 8 -#endif //#define DEBUG_GIC @@ -67,11 +63,7 @@ typedef struct gic_irq_state } gic_irq_state; #define ALL_CPU_MASK ((unsigned)(((1 << NCPU) - 1))) -#if NCPU > 1 #define NUM_CPU(s) ((s)->num_cpu) -#else -#define NUM_CPU(s) 1 -#endif #define GIC_SET_ENABLED(irq, cm) s->irq_state[irq].enabled |= (cm) #define GIC_CLEAR_ENABLED(irq, cm) s->irq_state[irq].enabled &= ~(cm) @@ -131,11 +123,9 @@ typedef struct gic_state static inline int gic_get_current_cpu(gic_state *s) { -#if NCPU > 1 if (s->num_cpu > 1) { return cpu_single_env->cpu_index; } -#endif return 0; } @@ -842,21 +832,14 @@ static int gic_load(QEMUFile *f, void *opaque, int version_id) return 0; } -#if NCPU > 1 -static void gic_init(gic_state *s, int num_cpu, int num_irq) -#else static void gic_init(gic_state *s, int num_irq) -#endif { int i; -#if NCPU > 1 - s->num_cpu = num_cpu; if (s->num_cpu > NCPU) { hw_error("requested %u CPUs exceeds GIC maximum %d\n", - num_cpu, NCPU); + s->num_cpu, NCPU); } -#endif s->num_irq = num_irq + GIC_BASE_IRQ; if (s->num_irq > GIC_MAXIRQ) { hw_error("requested %u interrupt lines exceeds GIC maximum %d\n", @@ -880,7 +863,7 @@ static void gic_init(gic_state *s, int num_irq) * [N+32..N+63] PPIs for CPU 1 * ... */ - i += (GIC_INTERNAL * num_cpu); + i += (GIC_INTERNAL * s->num_cpu); #endif qdev_init_gpio_in(&s->busdev.qdev, gic_set_irq, i); for (i = 0; i < NUM_CPU(s); i++) { @@ -915,7 +898,7 @@ static int arm_gic_init(SysBusDevice *dev) /* Device instance init function for the GIC sysbus device */ int i; gic_state *s = FROM_SYSBUS(gic_state, dev); - gic_init(s, s->num_cpu, s->num_irq); + gic_init(s, s->num_irq); /* Distributor */ sysbus_init_mmio(dev, &s->iomem); /* cpu interfaces (one for "current cpu" plus one per cpu) */ diff --git a/hw/armv7m_nvic.c b/hw/armv7m_nvic.c index 986a6bb..99a87a2 100644 --- a/hw/armv7m_nvic.c +++ b/hw/armv7m_nvic.c @@ -389,9 +389,8 @@ static int armv7m_nvic_init(SysBusDevice *dev) { nvic_state *s= FROM_SYSBUSGIC(nvic_state, dev); - /* note that for the M profile gic_init() takes the number of external - * interrupt lines only. - */ + /* The NVIC always has only one CPU */ + s->gic.num_cpu = 1; gic_init(&s->gic, s->num_irq); memory_region_add_subregion(get_system_memory(), 0xe000e000, &s->gic.iomem); s->systick.timer = qemu_new_timer_ns(vm_clock, systick_timer_tick, s); |