[edk2-devel] [PATCH v2 1/2] MdeModulePkg: Set EFI_MEMORY_RUNTIME with GCD
Akihiko Odaki
akihiko.odaki at gmail.com
Mon Apr 11 02:46:43 UTC 2022
Signed-off-by: Akihiko Odaki <akihiko.odaki at gmail.com>
---
MdeModulePkg/Core/Dxe/Gcd/Gcd.c | 9 +++++++++
MdePkg/Include/Pi/PiHob.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
index 3763467bdb..623b316c61 100644
--- a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
+++ b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
@@ -2628,6 +2628,15 @@ CoreInitializeGcdServices (
ResourceHob->ResourceLength,
Capabilities
);
+
+ if (!EFI_ERROR (Status) &&
+ (ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_RUNTIME) == EFI_RESOURCE_ATTRIBUTE_RUNTIME) {
+ Status = CoreSetMemorySpaceAttributes(
+ ResourceHob->PhysicalStart,
+ ResourceHob->ResourceLength,
+ EFI_MEMORY_RUNTIME
+ );
+ }
}
if (GcdIoType != EfiGcdIoTypeNonExistent) {
diff --git a/MdePkg/Include/Pi/PiHob.h b/MdePkg/Include/Pi/PiHob.h
index e9f0ab4309..92bacbe62c 100644
--- a/MdePkg/Include/Pi/PiHob.h
+++ b/MdePkg/Include/Pi/PiHob.h
@@ -296,6 +296,8 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;
//
#define EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE 0x02000000
+#define EFI_RESOURCE_ATTRIBUTE_RUNTIME 0x04000000
+
///
/// Describes the resource properties of all fixed,
/// nonrelocatable resource ranges found on the processor
--
2.35.1
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