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hw/arm_gic.c: Make NVIC interrupt numbering a runtime setting

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Make the minor tweaks to interrupt numbering used by the NVIC
a runtime setting rather than a compile time one, so we can
drop more NVIC ifdefs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2012-05-02 16:49:41 +00:00
parent 6b9680bb58
commit 84e4fccb7f
1 changed files with 4 additions and 8 deletions
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12
hw/arm_gic.c
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@ -36,13 +36,9 @@ do { printf("arm_gic: " fmt , ## __VA_ARGS__); } while (0)
#define DPRINTF(fmt, ...) do {} while(0)
#endif
#ifdef NVIC
/* The NVIC has 16 internal vectors. However these are not exposed
through the normal GIC interface. */
#define GIC_BASE_IRQ 32
#else
#define GIC_BASE_IRQ 0
#endif
#define GIC_BASE_IRQ ((s->revision == REV_NVIC) ? 32 : 0)
static const uint8_t gic_id[] = {
0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1
@ -839,7 +835,6 @@ static void gic_init(gic_state *s, int num_irq)
}
i = s->num_irq - GIC_INTERNAL;
#ifndef NVIC
/* For the GIC, also expose incoming GPIO lines for PPIs for each CPU.
* GPIO array layout is thus:
* [0..N-1] SPIs
@ -847,8 +842,9 @@ static void gic_init(gic_state *s, int num_irq)
* [N+32..N+63] PPIs for CPU 1
* ...
*/
i += (GIC_INTERNAL * s->num_cpu);
#endif
if (s->revision != REV_NVIC) {
i += (GIC_INTERNAL * s->num_cpu);
}
qdev_init_gpio_in(&s->busdev.qdev, gic_set_irq, i);
for (i = 0; i < NUM_CPU(s); i++) {
sysbus_init_irq(&s->busdev, &s->parent_irq[i]);