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hw/arm_gic_common: Use vmstate struct rather than save/load functions

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Update the GIC save/restore to use vmstate rather than hand-rolled
save/load functions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Message-id: 1363975375-3166-4-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2013-04-05 16:18:00 +01:00
parent c3037774be
commit 2e19a7035a
1 changed files with 41 additions and 67 deletions
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108
hw/arm_gic_common.c
View file

@ -20,90 +20,65 @@
#include "hw/arm_gic_internal.h"
static void gic_save(QEMUFile *f, void *opaque)
static void gic_pre_save(void *opaque)
{
GICState *s = (GICState *)opaque;
ARMGICCommonClass *c = ARM_GIC_COMMON_GET_CLASS(s);
int i;
int j;
if (c->pre_save) {
c->pre_save(s);
}
qemu_put_be32(f, s->enabled);
for (i = 0; i < s->num_cpu; i++) {
qemu_put_be32(f, s->cpu_enabled[i]);
for (j = 0; j < GIC_INTERNAL; j++) {
qemu_put_be32(f, s->priority1[j][i]);
}
for (j = 0; j < s->num_irq; j++) {
qemu_put_be32(f, s->last_active[j][i]);
}
qemu_put_be32(f, s->priority_mask[i]);
qemu_put_be32(f, s->running_irq[i]);
qemu_put_be32(f, s->running_priority[i]);
qemu_put_be32(f, s->current_pending[i]);
}
for (i = 0; i < s->num_irq - GIC_INTERNAL; i++) {
qemu_put_be32(f, s->priority2[i]);
}
for (i = 0; i < s->num_irq; i++) {
qemu_put_be32(f, s->irq_target[i]);
qemu_put_byte(f, s->irq_state[i].enabled);
qemu_put_byte(f, s->irq_state[i].pending);
qemu_put_byte(f, s->irq_state[i].active);
qemu_put_byte(f, s->irq_state[i].level);
qemu_put_byte(f, s->irq_state[i].model);
qemu_put_byte(f, s->irq_state[i].trigger);
}
}
static int gic_load(QEMUFile *f, void *opaque, int version_id)
static int gic_post_load(void *opaque, int version_id)
{
GICState *s = (GICState *)opaque;
ARMGICCommonClass *c = ARM_GIC_COMMON_GET_CLASS(s);
int i;
int j;
if (version_id != 3) {
return -EINVAL;
}
s->enabled = qemu_get_be32(f);
for (i = 0; i < s->num_cpu; i++) {
s->cpu_enabled[i] = qemu_get_be32(f);
for (j = 0; j < GIC_INTERNAL; j++) {
s->priority1[j][i] = qemu_get_be32(f);
}
for (j = 0; j < s->num_irq; j++) {
s->last_active[j][i] = qemu_get_be32(f);
}
s->priority_mask[i] = qemu_get_be32(f);
s->running_irq[i] = qemu_get_be32(f);
s->running_priority[i] = qemu_get_be32(f);
s->current_pending[i] = qemu_get_be32(f);
}
for (i = 0; i < s->num_irq - GIC_INTERNAL; i++) {
s->priority2[i] = qemu_get_be32(f);
}
for (i = 0; i < s->num_irq; i++) {
s->irq_target[i] = qemu_get_be32(f);
s->irq_state[i].enabled = qemu_get_byte(f);
s->irq_state[i].pending = qemu_get_byte(f);
s->irq_state[i].active = qemu_get_byte(f);
s->irq_state[i].level = qemu_get_byte(f);
s->irq_state[i].model = qemu_get_byte(f);
s->irq_state[i].trigger = qemu_get_byte(f);
}
if (c->post_load) {
c->post_load(s);
}
return 0;
}
static const VMStateDescription vmstate_gic_irq_state = {
.name = "arm_gic_irq_state",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT8(enabled, gic_irq_state),
VMSTATE_UINT8(pending, gic_irq_state),
VMSTATE_UINT8(active, gic_irq_state),
VMSTATE_UINT8(level, gic_irq_state),
VMSTATE_BOOL(model, gic_irq_state),
VMSTATE_BOOL(trigger, gic_irq_state),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_gic = {
.name = "arm_gic",
.version_id = 4,
.minimum_version_id = 4,
.pre_save = gic_pre_save,
.post_load = gic_post_load,
.fields = (VMStateField[]) {
VMSTATE_BOOL(enabled, GICState),
VMSTATE_BOOL_ARRAY(cpu_enabled, GICState, NCPU),
VMSTATE_STRUCT_ARRAY(irq_state, GICState, GIC_MAXIRQ, 1,
vmstate_gic_irq_state, gic_irq_state),
VMSTATE_UINT8_ARRAY(irq_target, GICState, GIC_MAXIRQ),
VMSTATE_UINT8_2DARRAY(priority1, GICState, GIC_INTERNAL, NCPU),
VMSTATE_UINT8_ARRAY(priority2, GICState, GIC_MAXIRQ - GIC_INTERNAL),
VMSTATE_UINT16_2DARRAY(last_active, GICState, GIC_MAXIRQ, NCPU),
VMSTATE_UINT16_ARRAY(priority_mask, GICState, NCPU),
VMSTATE_UINT16_ARRAY(running_irq, GICState, NCPU),
VMSTATE_UINT16_ARRAY(running_priority, GICState, NCPU),
VMSTATE_UINT16_ARRAY(current_pending, GICState, NCPU),
VMSTATE_END_OF_LIST()
}
};
static void arm_gic_common_realize(DeviceState *dev, Error **errp)
{
GICState *s = ARM_GIC_COMMON(dev);
@ -131,8 +106,6 @@ static void arm_gic_common_realize(DeviceState *dev, Error **errp)
num_irq);
return;
}
register_savevm(NULL, "arm_gic", -1, 3, gic_save, gic_load, s);
}
static void arm_gic_common_reset(DeviceState *dev)
@ -182,6 +155,7 @@ static void arm_gic_common_class_init(ObjectClass *klass, void *data)
dc->reset = arm_gic_common_reset;
dc->realize = arm_gic_common_realize;
dc->props = arm_gic_common_properties;
dc->vmsd = &vmstate_gic;
dc->no_user = 1;
}