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ArmPlatformPkg/MemoryInitPeim: handle memory above 4 GB on 32-bit ARM

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Make sure that the PEI memory region is carved out of memory that is
32-bit addressable, by taking MAX_ADDRESS into account (which is
defined as '4 GB - 1' on ARM)

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18426 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel 2015-09-09 14:48:25 +00:00 committed by abiesheuvel
parent 8483681426
commit 984ec7588d
1 changed files with 5 additions and 2 deletions
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7
ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c
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@ -96,7 +96,7 @@ InitializeMemory (
{
EFI_STATUS Status;
UINTN SystemMemoryBase;
UINTN SystemMemoryTop;
UINT64 SystemMemoryTop;
UINTN FdBase;
UINTN FdTop;
UINTN UefiMemoryBase;
@ -115,7 +115,10 @@ InitializeMemory (
ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
SystemMemoryBase = (UINTN)PcdGet64 (PcdSystemMemoryBase);
SystemMemoryTop = SystemMemoryBase + (UINTN)PcdGet64 (PcdSystemMemorySize);
SystemMemoryTop = SystemMemoryBase + PcdGet64 (PcdSystemMemorySize);
if (SystemMemoryTop - 1 > MAX_ADDRESS) {
SystemMemoryTop = (UINT64)MAX_ADDRESS + 1;
}
FdBase = (UINTN)PcdGet64 (PcdFdBaseAddress);
FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);