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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@@ -223,7 +223,7 @@ BdsBootLinuxFdt (
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// Try to put the kernel at the start of RAM so as to give it access to all memory.
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// If that fails fall back to try loading it within LINUX_KERNEL_MAX_OFFSET of memory start.
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LinuxImage = PcdGet32(PcdSystemMemoryBase) + 0x80000;
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LinuxImage = PcdGet64 (PcdSystemMemoryBase) + 0x80000;
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Status = BdsLoadImage (LinuxKernelDevicePath, AllocateAddress, &LinuxImage, &LinuxImageSize);
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if (EFI_ERROR(Status)) {
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// Try again but give the loader more freedom of where to put the image.
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