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authorGerd Hoffmann <kraxel@redhat.com>2020-05-20 15:19:48 +0200
committerMichael S. Tsirkin <mst@redhat.com>2020-06-12 10:17:06 -0400
commit5794d34a13d11e12d9bc53ea4ade997c2ff81c4c (patch)
tree59bd5c256f4ab7da9ec933226e390972da31265a /hw/i386
parenteb66ffabc00a7b062b2c73b9178eb2679328813b (diff)
acpi: madt: skip pci override on pci-less systems.
Needed for microvm. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200520132003.9492-8-kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
-rw-r--r--hw/i386/acpi-build.c2
-rw-r--r--hw/i386/acpi-common.c26
-rw-r--r--hw/i386/acpi-common.h3
3 files changed, 18 insertions, 13 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 26c0c8aefa..473cbdfffd 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2588,7 +2588,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
acpi_add_table(table_offsets, tables_blob);
acpi_build_madt(tables_blob, tables->linker, x86ms,
- ACPI_DEVICE_IF(pcms->acpi_dev));
+ ACPI_DEVICE_IF(pcms->acpi_dev), true);
vmgenid_dev = find_vmgenid_dev();
if (vmgenid_dev) {
diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c
index 5caca16a0b..ab9b00581a 100644
--- a/hw/i386/acpi-common.c
+++ b/hw/i386/acpi-common.c
@@ -72,7 +72,8 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
}
void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
- X86MachineState *x86ms, AcpiDeviceIf *adev)
+ X86MachineState *x86ms, AcpiDeviceIf *adev,
+ bool has_pci)
{
MachineClass *mc = MACHINE_GET_CLASS(x86ms);
const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(x86ms));
@@ -111,18 +112,21 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
intsrcovr->gsi = cpu_to_le32(2);
intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */
}
- for (i = 1; i < 16; i++) {
+
+ if (has_pci) {
+ for (i = 1; i < 16; i++) {
#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
- if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
- /* No need for a INT source override structure. */
- continue;
+ if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
+ /* No need for a INT source override structure. */
+ continue;
+ }
+ intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
+ intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
+ intsrcovr->length = sizeof(*intsrcovr);
+ intsrcovr->source = i;
+ intsrcovr->gsi = cpu_to_le32(i);
+ intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */
}
- intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
- intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
- intsrcovr->length = sizeof(*intsrcovr);
- intsrcovr->source = i;
- intsrcovr->gsi = cpu_to_le32(i);
- intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */
}
if (x2apic_mode) {
diff --git a/hw/i386/acpi-common.h b/hw/i386/acpi-common.h
index c30e461f18..9cac18dddf 100644
--- a/hw/i386/acpi-common.h
+++ b/hw/i386/acpi-common.h
@@ -9,6 +9,7 @@
#define ACPI_BUILD_IOAPIC_ID 0x0
void acpi_build_madt(GArray *table_data, BIOSLinker *linker,
- X86MachineState *x86ms, AcpiDeviceIf *adev);
+ X86MachineState *x86ms, AcpiDeviceIf *adev,
+ bool has_pci);
#endif