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ACPI ERST: create ACPI ERST table for pc/x86 machines

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This change exposes ACPI ERST support for x86 guests.

Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <1643402289-22216-8-git-send-email-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eric DeVolder 2022-01-28 15:38:06 -05:00 • committed by Michael S. Tsirkin
parent c9cd06ca00
commit 8486f12f0b
3 changed files with 35 additions and 0 deletions
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15
hw/i386/acpi-build.c
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@ -43,6 +43,7 @@
#include "sysemu/tpm.h"
#include "hw/acpi/tpm.h"
#include "hw/acpi/vmgenid.h"
#include "hw/acpi/erst.h"
#include "sysemu/tpm_backend.h"
#include "hw/rtc/mc146818rtc_regs.h"
#include "migration/vmstate.h"
@ -74,6 +75,8 @@
#include "hw/acpi/hmat.h"
#include "hw/acpi/viot.h"
#include CONFIG_DEVICES
/* These are used to size the ACPI tables for -M pc-i440fx-1.7 and
* -M pc-i440fx-2.0. Even if the actual amount of AML generated grows
* a little bit, there should be plenty of free space since the DSDT
@ -2575,6 +2578,18 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
x86ms->oem_table_id);
#ifdef CONFIG_ACPI_ERST
{
Object *erst_dev;
erst_dev = find_erst_dev();
if (erst_dev) {
acpi_add_table(table_offsets, tables_blob);
build_erst(tables_blob, tables->linker, erst_dev,
x86ms->oem_id, x86ms->oem_table_id);
}
}
#endif
vmgenid_dev = find_vmgenid_dev();
if (vmgenid_dev) {
acpi_add_table(table_offsets, tables_blob);