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authorChristoffer Dall <christoffer.dall@linaro.org>2013-12-20 22:09:33 -0800
committerPeter Maydell <peter.maydell@linaro.org>2014-01-08 19:07:22 +0000
commit9df90ad078ec782d1339bd6879b6ea117f9759f7 (patch)
tree2f4eb30a6d3ee1dc4c36bed8276a24c7d7bfff5a
parent04050c5c6aa6f9c086a63a30b182b996fb2d3d02 (diff)
downloadhqemu-9df90ad078ec782d1339bd6879b6ea117f9759f7.zip
hqemu-9df90ad078ec782d1339bd6879b6ea117f9759f7.tar.gz
hw: arm_gic: Introduce gic_set_priority function
To make the code slightly cleaner to look at and make the save/restore code easier to understand, introduce this function to set the priority of interrupts. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Message-id: 1387606179-22709-3-git-send-email-christoffer.dall@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/intc/arm_gic.c15
-rw-r--r--hw/intc/gic_internal.h1
2 files changed, 11 insertions, 5 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 27c258a..6c59650 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -168,6 +168,15 @@ uint32_t gic_acknowledge_irq(GICState *s, int cpu)
return new_irq;
}
+void gic_set_priority(GICState *s, int cpu, int irq, uint8_t val)
+{
+ if (irq < GIC_INTERNAL) {
+ s->priority1[irq][cpu] = val;
+ } else {
+ s->priority2[(irq) - GIC_INTERNAL] = val;
+ }
+}
+
void gic_complete_irq(GICState *s, int cpu, int irq)
{
int update = 0;
@@ -443,11 +452,7 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
irq = (offset - 0x400) + GIC_BASE_IRQ;
if (irq >= s->num_irq)
goto bad_reg;
- if (irq < GIC_INTERNAL) {
- s->priority1[irq][cpu] = value;
- } else {
- s->priority2[irq - GIC_INTERNAL] = value;
- }
+ gic_set_priority(s, cpu, irq, value);
} else if (offset < 0xc00) {
/* Interrupt CPU Target. RAZ/WI on uniprocessor GICs, with the
* annoying exception of the 11MPCore's GIC.
diff --git a/hw/intc/gic_internal.h b/hw/intc/gic_internal.h
index efac78d..8c02d58 100644
--- a/hw/intc/gic_internal.h
+++ b/hw/intc/gic_internal.h
@@ -61,5 +61,6 @@ uint32_t gic_acknowledge_irq(GICState *s, int cpu);
void gic_complete_irq(GICState *s, int cpu, int irq);
void gic_update(GICState *s);
void gic_init_irqs_and_distributor(GICState *s, int num_irq);
+void gic_set_priority(GICState *s, int cpu, int irq, uint8_t val);
#endif /* !QEMU_ARM_GIC_INTERNAL_H */
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