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hw/intc/arm_gic: Create outbound FIQ lines

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Create the outbound FIQ lines from the GIC to the CPUs; these are
used if the GIC has security extensions or grouping support.

Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1430502643-25909-2-git-send-email-peter.maydell@linaro.org
Message-id: 1429113742-8371-2-git-send-email-greg.bellows@linaro.org
[PMM: added FIQ lines to kvm-arm-gic so its interface is the same;
tweaked commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Fabian Aggeler 2015-05-12 11:57:16 +01:00 committed by Peter Maydell
parent 16b781aaef
commit 44f5529647
3 changed files with 8 additions and 1 deletions
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3
hw/intc/arm_gic.c
View File

@ -790,6 +790,9 @@ void gic_init_irqs_and_distributor(GICState *s)
for (i = 0; i < NUM_CPU(s); i++) {
sysbus_init_irq(sbd, &s->parent_irq[i]);
}
for (i = 0; i < NUM_CPU(s); i++) {
sysbus_init_irq(sbd, &s->parent_fiq[i]);
}
memory_region_init_io(&s->iomem, OBJECT(s), &gic_dist_ops, s,
"gic_dist", 0x1000);
}

5
hw/intc/arm_gic_kvm.c
View File

@ -554,12 +554,15 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
*/
i += (GIC_INTERNAL * s->num_cpu);
qdev_init_gpio_in(dev, kvm_arm_gic_set_irq, i);
/* We never use our outbound IRQ lines but provide them so that
/* We never use our outbound IRQ/FIQ lines but provide them so that
* we maintain the same interface as the non-KVM GIC.
*/
for (i = 0; i < s->num_cpu; i++) {
sysbus_init_irq(sbd, &s->parent_irq[i]);
}
for (i = 0; i < s->num_cpu; i++) {
sysbus_init_irq(sbd, &s->parent_fiq[i]);
}
/* Try to create the device via the device control API */
s->dev_fd = -1;

1
include/hw/intc/arm_gic_common.h
View File

@ -50,6 +50,7 @@ typedef struct GICState {
/*< public >*/
qemu_irq parent_irq[GIC_NCPU];
qemu_irq parent_fiq[GIC_NCPU];
bool enabled;
bool cpu_enabled[GIC_NCPU];