MdeModulePkg: Supporting S3 in 64bit PEI

https://bugzilla.tianocore.org/show_bug.cgi?id=4195
Transfer from DXE to OS waking vector by calling SwitchStack() when
both are in the same execution mode.

Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Ashraf Ali S <ashraf.ali.s@intel.com>
Cc: Chinni B Duggapu <chinni.b.duggapu@intel.com>
Signed-off-by: Ted Kuo <ted.kuo@intel.com>
This commit is contained in:
Kuo, Ted
2022-12-16 20:46:27 +08:00
committed by mergify[bot]
parent 6acf72901a
commit 8bd2028f9a
3 changed files with 22 additions and 13 deletions

View File

@ -4,7 +4,7 @@
This driver is dispatched by Dxe core and the driver will reload itself to ACPI reserved memory
in the entry point. The functionality is to interpret and restore the S3 boot script
Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@ -95,7 +95,7 @@ S3BootScriptExecutorEntryFunction (
PeiS3ResumeState->ReturnStatus = (UINT64)(UINTN)Status;
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
//
// X64 S3 Resume
// X64 DXE to IA32 PEI S3 Resume
//
DEBUG ((DEBUG_INFO, "Call AsmDisablePaging64() to return to S3 Resume in PEI Phase\n"));
PeiS3ResumeState->AsmTransferControl = (EFI_PHYSICAL_ADDRESS)(UINTN)AsmTransferControl32;
@ -121,7 +121,7 @@ S3BootScriptExecutorEntryFunction (
);
} else {
//
// IA32 S3 Resume
// IA32 DXE to IA32 PEI S3 Resume / X64 DXE to X64 PEI S3 Resume
//
DEBUG ((DEBUG_INFO, "Call SwitchStack() to return to S3 Resume in PEI Phase\n"));
PeiS3ResumeState->AsmTransferControl = (EFI_PHYSICAL_ADDRESS)(UINTN)AsmTransferControl;
@ -156,8 +156,11 @@ S3BootScriptExecutorEntryFunction (
//
// X64 long mode waking vector
//
DEBUG ((DEBUG_INFO, "Transfer to 64bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
DEBUG ((DEBUG_INFO, "Transfer from 64bit DXE to 64bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));
if (sizeof (UINTN) == sizeof (UINT64)) {
//
// 64bit DXE calls to 64bit OS S3 waking vector
//
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)Facs->XFirmwareWakingVector,
NULL,
@ -174,7 +177,10 @@ S3BootScriptExecutorEntryFunction (
// IA32 protected mode waking vector (Page disabled)
//
DEBUG ((DEBUG_INFO, "Transfer to 32bit OS waking vector - %x\r\n", (UINTN)Facs->XFirmwareWakingVector));
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
if (sizeof (UINTN) == sizeof (UINT64)) {
//
// 64bit DXE calls to 32bit OS S3 waking vector
//
AsmDisablePaging64 (
0x10,
(UINT32)Facs->XFirmwareWakingVector,
@ -183,6 +189,9 @@ S3BootScriptExecutorEntryFunction (
(UINT32)TempStackTop
);
} else {
//
// 32bit DXE calls to 32bit OS S3 waking vector
//
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)Facs->XFirmwareWakingVector,
NULL,