From: Ard Biesheuvel <a...@kernel.org>
Mark RAM ranges as write/execute protectable in the GCD memory map. This
is needed to avoid issues with NonCoherentDmaLib in EmbeddedPkg, which
will fail if it does not manage to set the EFI_MEMORY_XP attribute on
the allocated DMA buffers.
Signed-off-by: Ard Biesheuvel <a...@kernel.org>
---
Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
index 7ba1cc5602d2..cf9eca2ffe9a 100644
--- a/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
+++ b/Platform/RaspberryPi/Library/MemoryInitPeiLib/MemoryInitPeiLib.c
@@ -51,6 +51,8 @@ AddBasicMemoryRegion (
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE |
+ EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE |
EFI_RESOURCE_ATTRIBUTE_TESTED,
Desc->PhysicalBase,
Desc->Length
--
2.46.0.rc1.232.g9752f9e123-goog
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