Add StandaloneMmIplPei IA32/X64 driver at PEI stage.
FSP will use this driver to load Standalone MM code
to dispatch other Standalone MM drivers.
Signed-off-by: Hongbin1 Zhang <hongbin1.zh...@intel.com>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Star Zeng <star.z...@intel.com>
Cc: Jiaxin Wu <jiaxin...@intel.com>
Cc: Sami Mujawar <sami.muja...@arm.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Supreeth Venkatesh <supreeth.venkat...@arm.com>
---
StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c | 11
+++++++++++
1 file changed, 11 insertions(+)
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
index 0d0c678f90..78939faeea 100644
--- a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
+++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
@@ -626,5 +626,16 @@ StandaloneMmIplPeiEntry (
DEBUG ((DEBUG_ERROR, "SMM IPL could not find a large enough SMRAM region
to load SMM Core\n"));
}
+ //
+ // Close and lock all SMRAM ranges.
+ //
+ for (Index = 0; Index < mSmramRangeCount; Index++) {
+ Status = mSmmAccess->Close ((EFI_PEI_SERVICES **)PeiServices, mSmmAccess,
Index);
+ ASSERT_EFI_ERROR (Status);
+
+ Status = mSmmAccess->Lock ((EFI_PEI_SERVICES **)PeiServices, mSmmAccess,
Index);
+ ASSERT_EFI_ERROR (Status);
+ }
+
return EFI_SUCCESS;
}
--
2.37.0.windows.1
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