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authorShannon Zhao <shannon.zhao@linaro.org>2015-06-26 14:22:36 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-06-26 14:22:36 +0100
commitca7937365305d144cf0c97b907dac6f70ea152ef (patch)
tree3d9582c52f8c84b130ddd27182e66c82fec8aa63 /hw/arm
parentd0652b5765859049c96a13372bbe075be44e756b (diff)
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hw/arm/virt-acpi-build: Add GICv2m description in ACPI MADT table
Add GICv2m description in ACPI MADT table, so guest can use MSI when booting with ACPI. Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Tested-by: Andrew Jones <drjones@redhat.com> Message-id: 1434676210-2276-1-git-send-email-shannon.zhao@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
-rw-r--r--hw/arm/virt-acpi-build.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 40029ddfda..f365140319 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -423,8 +423,10 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
{
int madt_start = table_data->len;
const MemMapEntry *memmap = guest_info->memmap;
+ const int *irqmap = guest_info->irqmap;
AcpiMultipleApicTable *madt;
AcpiMadtGenericDistributor *gicd;
+ AcpiMadtGenericMsiFrame *gic_msi;
int i;
madt = acpi_data_push(table_data, sizeof *madt);
@@ -448,6 +450,15 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info,
gicd->length = sizeof(*gicd);
gicd->base_address = memmap[VIRT_GIC_DIST].base;
+ gic_msi = acpi_data_push(table_data, sizeof *gic_msi);
+ gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME;
+ gic_msi->length = sizeof(*gic_msi);
+ gic_msi->gic_msi_frame_id = 0;
+ gic_msi->base_address = cpu_to_le64(memmap[VIRT_GIC_V2M].base);
+ gic_msi->flags = cpu_to_le32(1);
+ gic_msi->spi_count = cpu_to_le16(NUM_GICV2M_SPIS);
+ gic_msi->spi_base = cpu_to_le16(irqmap[VIRT_GIC_V2M] + ARM_SPI_BASE);
+
build_header(linker, table_data,
(void *)(table_data->data + madt_start), "APIC",
table_data->len - madt_start, 3);