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ArmPlatformPkg/MemoryInitPeim: take MAX_ALLOC_ADDRESS into account 

Limit the PEI memory region so it will not extend beyond what we can
address architecturally when running with 4 KB pages.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Ard Biesheuvel 2018-12-07 11:59:51 +01:00
parent 1c36f028fa
commit 6bd42402f7
1 changed files with 3 additions and 3 deletions
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6
ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c
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@ -105,12 +105,12 @@ InitializeMemory (
// Ensure PcdSystemMemorySize has been set
ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
ASSERT (PcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ADDRESS);
ASSERT (PcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ALLOC_ADDRESS);
SystemMemoryBase = (UINTN)PcdGet64 (PcdSystemMemoryBase);
SystemMemoryTop = SystemMemoryBase + PcdGet64 (PcdSystemMemorySize);
if (SystemMemoryTop - 1 > MAX_ADDRESS) {
SystemMemoryTop = (UINT64)MAX_ADDRESS + 1;
if (SystemMemoryTop - 1 > MAX_ALLOC_ADDRESS) {
SystemMemoryTop = (UINT64)MAX_ALLOC_ADDRESS + 1;
}
FdBase = (UINTN)PcdGet64 (PcdFdBaseAddress);
FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);