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MdeModulePkg: Supporting S3 in 64bit PEI

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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
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4
MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c
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@@ -3,7 +3,7 @@
Set a IDT entry for interrupt vector 3 for debug purpose for x64 platform
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>
@@ -118,7 +118,7 @@ IsLongModeWakingVector (
((Facs->OspmFlags & EFI_ACPI_4_0_OSPM_64BIT_WAKE__F) != 0))
{
// Both BIOS and OS wants 64bit vector
if (FeaturePcdGet (PcdDxeIplSwitchToLongMode)) {
if (sizeof (UINTN) == sizeof (UINT64)) {
return TRUE;
}
}