ArmPkg/ArmPkg.dec: Redefined PcdSystemMemory(Base|Size) as UINT64
The System Memory region might be out of the 32-bit memory space. This change has been validated on the FVP AArch64 model using 4GB of DRAM at 0x8_0000_0000: - # System Memory (2GB) - gArmTokenSpaceGuid.PcdSystemMemoryBase|0x80000000 - gArmTokenSpaceGuid.PcdSystemMemorySize|0x80000000 + # System Memory (4GB) + gArmTokenSpaceGuid.PcdSystemMemoryBase|0x800000000 + gArmTokenSpaceGuid.PcdSystemMemorySize|0x100000000 EFI Shell and Linux kernel boot successfully. Note: This change has not been validated on AArch32. I expect some early assembly code to not work. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15093 6f19259b-4bc3-4df7-8a09-765794883524
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oliviermartin
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c357fd6a1f
@@ -104,10 +104,10 @@ InitializeMemory (
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DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));
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// Ensure PcdSystemMemorySize has been set
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ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);
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ASSERT (FixedPcdGet64 (PcdSystemMemorySize) != 0);
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SystemMemoryBase = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase);
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SystemMemoryTop = SystemMemoryBase + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);
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SystemMemoryBase = (UINTN)FixedPcdGet64 (PcdSystemMemoryBase);
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SystemMemoryTop = SystemMemoryBase + (UINTN)FixedPcdGet64 (PcdSystemMemorySize);
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FdBase = (UINTN)PcdGet32 (PcdFdBaseAddress);
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FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);
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