Reviewed-by: Ray Ni <ray.ni@intel.com>

Thanks,
Ray
________________________________
From: Tan, Dun <dun.tan@intel.com>
Sent: Friday, May 10, 2024 18:08
To: devel@edk2.groups.io <devel@edk2.groups.io>
Cc: Ni, Ray <ray.ni@intel.com>; Liming Gao <gaoliming@byosoft.com.cn>; Wu, Jiaxin <jiaxin.wu@intel.com>
Subject: [PATCH 01/18] MdeModulePkg: Add gEdkiiS3MtrrSettingGuid

Add gEdkiiS3MtrrSettingGuid a new GUID for s3
MTRR setting. This GUID will be used to save
MTRR_SETTINGS at EndOfDxe by LockBox and restore
at S3 boot PEI phase for s3 usage.

Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
---
 MdeModulePkg/MdeModulePkg.dec | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index f7339f0aec..2c50d90e94 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -465,6 +465,9 @@
   gEdk2JedecSfdpSpiDxeDriverGuid  = { 0xBE71701E, 0xB63C, 0x4574, { 0x9C, 0x5C, 0x36, 0x29, 0xE8, 0xEA, 0xC4, 0x14 }}
   gEdk2JedecSfdpSpiSmmDriverGuid  = { 0x95A1E915, 0x195C, 0x477C, { 0x92, 0x6F, 0x7E, 0x24, 0x67, 0xC1, 0xB3, 0x1F }}

+  ## This GUID will be used to save MTRR_SETTINGS at EndOfDxe by LockBox and restore at S3 boot PEI phase for s3 usage.
+  gEdkiiS3MtrrSettingGuid = { 0xd77baa84, 0xb332, 0x4463, { 0x9f, 0x1d, 0xce, 0x81, 0x00, 0xfe, 0x7f, 0x35 }}
+
 [Ppis]
   ## Include/Ppi/FirmwareVolumeShadowPpi.h
   gEdkiiPeiFirmwareVolumeShadowPpiGuid = { 0x7dfe756c, 0xed8d, 0x4d77, {0x9e, 0xc4, 0x39, 0x9a, 0x8a, 0x81, 0x51, 0x16 } }
--
2.31.1.windows.1



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