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authorPeter Maydell <peter.maydell@linaro.org>2012-05-02 16:49:41 +0000
committerPeter Maydell <peter.maydell@linaro.org>2012-06-19 13:24:44 +0000
commit84e4fccb7f63ee2b9ac82c299d29b2a723479e3d (patch)
tree55aebfdb83f686863c0008239dfe9b9b8ff568ac /hw/arm_gic.c
parent6b9680bb5826dcf0ead42bafb62946f472466d63 (diff)
hw/arm_gic.c: Make NVIC interrupt numbering a runtime setting
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>
Diffstat (limited to 'hw/arm_gic.c')
-rw-r--r--hw/arm_gic.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
index a6e2431c20..c288bc5db8 100644
--- a/hw/arm_gic.c
+++ b/hw/arm_gic.c
@@ -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]);