From: Udit Kumar <udit.ku...@nxp.com>
While creating Hob list, ArmPlatformPkg is hiding UEFI memory.
whereas this memory can be used by OS.
This patch, allows OS to use UEFI code area.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>
Signed-off-by: Udit Kumar <udit.ku...@nxp.com>
---
ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c | 28 ++++++++++++-------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
index 2feb11f..ae6ebc4 100644
--- a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
+++ b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeiLib.c
@@ -147,24 +147,24 @@ MemoryPeim (
if (PcdGet64 (PcdFdBaseAddress) ==
NextHob.ResourceDescriptor->PhysicalStart) {
if (SystemMemoryTop == FdTop) {
NextHob.ResourceDescriptor->ResourceAttribute = ResourceAttributes
& ~EFI_RESOURCE_ATTRIBUTE_PRESENT;
- } else {
- // Create the System Memory HOB for the firmware with the
non-present attribute
- BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,
- ResourceAttributes &
~EFI_RESOURCE_ATTRIBUTE_PRESENT,
- PcdGet64 (PcdFdBaseAddress),
- PcdGet32 (PcdFdSize));
-
+ } else {
+ // Create the System Memory HOB for the firmware with the
non-present attribute
+ BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ PcdGet64 (PcdFdBaseAddress),
+ PcdGet32 (PcdFdSize));
+
// Top of the FD is system memory available for UEFI
NextHob.ResourceDescriptor->PhysicalStart += PcdGet32(PcdFdSize);
NextHob.ResourceDescriptor->ResourceLength -= PcdGet32(PcdFdSize);
}
- } else {
- // Create the System Memory HOB for the firmware with the
non-present attribute
- BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,
- ResourceAttributes &
~EFI_RESOURCE_ATTRIBUTE_PRESENT,
- PcdGet64 (PcdFdBaseAddress),
- PcdGet32 (PcdFdSize));
-
+ } else {
+ // Create the System Memory HOB for the firmware with the
non-present attribute
+ BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ PcdGet64 (PcdFdBaseAddress),
+ PcdGet32 (PcdFdSize));
+
// Update the HOB
NextHob.ResourceDescriptor->ResourceLength = PcdGet64
(PcdFdBaseAddress) - NextHob.ResourceDescriptor->PhysicalStart;
--
1.9.1
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