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OvmfPkg/ResetSystemLib: add driver for microvm

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Uses the generic event device to reset and poweroff.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3599
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
This commit is contained in:
Gerd Hoffmann
2021-09-08 11:01:14 +02:00
committed by mergify[bot]
parent bf02d73e74
commit 1d3e89f349
8 changed files with 231 additions and 7 deletions
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7
OvmfPkg/Include/IndustryStandard/Microvm.h
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@@ -9,4 +9,11 @@
#define MICROVM_PSEUDO_DEVICE_ID 0xfff1
/* generic event device */
#define MICROVM_GED_MMIO_BASE 0xfea00000
#define MICROVM_GED_MMIO_BASE_REGS (MICROVM_GED_MMIO_BASE + 0x200)
#define MICROVM_ACPI_GED_REG_SLEEP_CTL 0x00
#define MICROVM_ACPI_GED_REG_RESET 0x02
#define MICROVM_ACPI_GED_RESET_VALUE 0x42
#endif // __MICROVM_H__

1
OvmfPkg/Include/OvmfPlatforms.h
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@@ -15,6 +15,7 @@
#include <IndustryStandard/Q35MchIch9.h>
#include <IndustryStandard/I440FxPiix4.h>
#include <IndustryStandard/Bhyve.h>
#include <IndustryStandard/Microvm.h>
//
// OVMF Host Bridge DID Address