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[Qemu-devel] [RFC PATCH 5/9] hw/acpi: implement madt_sub[ACPI_APIC_XRUPT
From: |
Wei Yang |
Subject: |
[Qemu-devel] [RFC PATCH 5/9] hw/acpi: implement madt_sub[ACPI_APIC_XRUPT_OVERRIDE] |
Date: |
Mon, 13 May 2019 14:19:09 +0800 |
Signed-off-by: Wei Yang <address@hidden>
---
hw/i386/acpi-build.c | 37 ++++++++++++++++++++++++-------------
1 file changed, 24 insertions(+), 13 deletions(-)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index a661fff51d..f48cc5b292 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -351,10 +351,31 @@ static void pc_madt_io_entry(GArray *entry, void *opaque)
io_apic->interrupt = cpu_to_le32(0);
}
+static void pc_madt_xrupt_override_entry(GArray *entry, void *opaque)
+{
+ AcpiMadtIntsrcovr *intsrcovr;
+ int *idx = opaque;
+
+ intsrcovr = acpi_data_push(entry, sizeof *intsrcovr);
+ intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
+ intsrcovr->length = sizeof(*intsrcovr);
+ intsrcovr->source = *idx;
+ if (*idx == 0) {
+ intsrcovr->gsi = cpu_to_le32(2);
+ /* conforms to bus specifications */
+ intsrcovr->flags = cpu_to_le16(0);
+ } else {
+ intsrcovr->gsi = cpu_to_le32(*idx);
+ /* active high, level triggered */
+ intsrcovr->flags = cpu_to_le16(0xd);
+ }
+}
+
madt_operations i386_madt_sub = {
[ACPI_APIC_PROCESSOR] = pc_madt_apic_entry,
[ACPI_APIC_LOCAL_X2APIC] = pc_madt_x2apic_entry,
[ACPI_APIC_IO] = pc_madt_io_entry,
+ [ACPI_APIC_XRUPT_OVERRIDE] = pc_madt_xrupt_override_entry,
};
static void
@@ -368,7 +389,6 @@ build_madt(GArray *table_data, BIOSLinker *linker,
PCMachineState *pcms)
bool x2apic_mode = false;
AcpiMultipleApicTable *madt;
- AcpiMadtIntsrcovr *intsrcovr;
int i;
madt = acpi_data_push(table_data, sizeof *madt);
@@ -391,12 +411,8 @@ build_madt(GArray *table_data, BIOSLinker *linker,
PCMachineState *pcms)
adevc->madt_sub[ACPI_APIC_IO](table_data, NULL);
if (pcms->apic_xrupt_override) {
- intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
- intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
- intsrcovr->length = sizeof(*intsrcovr);
- intsrcovr->source = 0;
- intsrcovr->gsi = cpu_to_le32(2);
- intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications
*/
+ i = 0;
+ adevc->madt_sub[ACPI_APIC_XRUPT_OVERRIDE](table_data, &i);
}
for (i = 1; i < 16; i++) {
#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
@@ -404,12 +420,7 @@ build_madt(GArray *table_data, BIOSLinker *linker,
PCMachineState *pcms)
/* 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
*/
+ adevc->madt_sub[ACPI_APIC_XRUPT_OVERRIDE](table_data, &i);
}
if (x2apic_mode) {
--
2.19.1
- [Qemu-devel] [RFC PATCH 0/9] hw/acpi: make build_madt arch agnostic, Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 1/9] hw/acpi: expand pc_madt_cpu_entry in place, Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 2/9] hw/acpi: implement madt_sub[ACPI_APIC_PROCESSOR], Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 3/9] hw/acpi: implement madt_sub[ACPI_APIC_LOCAL_X2APIC], Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 9/9] hw/acpi: implement madt_main to manipulate main madt table, Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 8/9] hw/acpi: factor build_madt with madt_input, Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 7/9] hw/acpi: implement madt_sub[ACPI_APIC_LOCAL_NMI], Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 4/9] hw/acpi: implement madt_sub[ACPI_APIC_IO], Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 6/9] hw/acpi: implement madt_sub[ACPI_APIC_LOCAL_X2APIC_NMI], Wei Yang, 2019/05/13
- [Qemu-devel] [RFC PATCH 5/9] hw/acpi: implement madt_sub[ACPI_APIC_XRUPT_OVERRIDE],
Wei Yang <=