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-rw-r--r--hw/arm_gic.c23
-rw-r--r--hw/armv7m_nvic.c5
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);