Enable StandaloneMmMemLib to use longer physical addresses than 36 bits.

According to ARM "Learn the architecture - AArch64 memory management"

since Armv8.2-A physical address size was extended to 52 bits.

https://developer.arm.com/documentation/101811/0102/Address-spaces

 

Signed-off-by: Damian Milosek <damian.milosek@intel.com>

---

.../StandaloneMmMemLib/ArmStandaloneMmMemLibInternal.c        | 4 ++--

1 file changed, 2 insertions(+), 2 deletions(-)

 

diff --git a/StandaloneMmPkg/Library/StandaloneMmMemLib/ArmStandaloneMmMemLibInternal.c b/StandaloneMmPkg/Library/StandaloneMmMemLib/ArmStandaloneMmMemLibInternal.c

index 297cfae916..dff3e0145f 100644

--- a/StandaloneMmPkg/Library/StandaloneMmMemLib/ArmStandaloneMmMemLibInternal.c

+++ b/StandaloneMmPkg/Library/StandaloneMmMemLib/ArmStandaloneMmMemLibInternal.c

@@ -6,7 +6,7 @@

   all MMRAM range via MM_ACCESS_PROTOCOL, including the range for firmware (like MM Core

   and MM driver) and/or specific dedicated hardware.

 

-  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

+  Copyright (c) 2015 - 2023, Intel Corporation. All rights reserved.<BR>

   Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>

 

   SPDX-License-Identifier: BSD-2-Clause-Patent

@@ -21,7 +21,7 @@

extern EFI_PHYSICAL_ADDRESS  mMmMemLibInternalMaximumSupportAddress;

 

#ifdef MDE_CPU_AARCH64

-#define ARM_PHYSICAL_ADDRESS_BITS  36

+#define ARM_PHYSICAL_ADDRESS_BITS  52

#endif

#ifdef MDE_CPU_ARM

#define ARM_PHYSICAL_ADDRESS_BITS  32

--

2.37.2.windows.2