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xlnx-zynqmp: Delay realization of GIC until post CPU realization 

Delay the realization of the GIC until after CPUs are
realized. This is needed for KVM as the in-kernel GIC
model will fail if it is realized with no available CPUs.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-4-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2016-06-06 16:59:30 +01:00 committed by Peter Maydell
parent 6ed92b14f6
commit 0776d9679d
1 changed files with 31 additions and 25 deletions
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56
hw/arm/xlnx-zynqmp.c
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@ -224,33 +224,9 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS);
object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS);
for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) {
SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic);
const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i];
MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index);
uint32_t addr = r->address;
int j;
sysbus_mmio_map(gic, r->region_index, addr);
for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) {
MemoryRegion *alias = &s->gic_mr[i][j];
addr += XLNX_ZYNQMP_GIC_REGION_SIZE;
memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr,
0, XLNX_ZYNQMP_GIC_REGION_SIZE);
memory_region_add_subregion(system_memory, addr, alias);
}
}
/* Realize APUs before realizing the GIC. KVM requires this. */
for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
qemu_irq irq;
char *name;
object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC,
@ -276,6 +252,36 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
error_propagate(errp, err);
return;
}
}
object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS);
for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) {
SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic);
const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i];
MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index);
uint32_t addr = r->address;
int j;
sysbus_mmio_map(gic, r->region_index, addr);
for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) {
MemoryRegion *alias = &s->gic_mr[i][j];
addr += XLNX_ZYNQMP_GIC_REGION_SIZE;
memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr,
0, XLNX_ZYNQMP_GIC_REGION_SIZE);
memory_region_add_subregion(system_memory, addr, alias);
}
}
for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
qemu_irq irq;
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]),