UefipayloadPkg: Protect coreboot tables
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
This commit is contained in:
committed by
Jeremy Soller
parent
876c1d36b3
commit
d90d84a4f7
@@ -390,12 +390,24 @@ BlPeiEntryPoint (
|
||||
EFI_PEI_GRAPHICS_DEVICE_INFO_HOB GfxDeviceInfo;
|
||||
EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *NewGfxDeviceInfo;
|
||||
|
||||
// Report lower 640KB of RAM.
|
||||
// Mark memory as reserved to keep coreboot header in place.
|
||||
//
|
||||
BuildResourceDescriptorHob (
|
||||
EFI_RESOURCE_MEMORY_RESERVED,
|
||||
(
|
||||
EFI_RESOURCE_ATTRIBUTE_PRESENT |
|
||||
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
|
||||
EFI_RESOURCE_ATTRIBUTE_TESTED |
|
||||
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
|
||||
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
|
||||
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
|
||||
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
|
||||
),
|
||||
(EFI_PHYSICAL_ADDRESS)(0),
|
||||
(UINT64)(0x1000)
|
||||
);
|
||||
|
||||
//
|
||||
// Report lower 640KB of RAM. Attribute EFI_RESOURCE_ATTRIBUTE_TESTED
|
||||
// is intentionally omitted to prevent erasing of the coreboot header
|
||||
// record before it is processed by ParseMemoryInfo.
|
||||
//
|
||||
BuildResourceDescriptorHob (
|
||||
EFI_RESOURCE_SYSTEM_MEMORY,
|
||||
(
|
||||
@@ -406,8 +418,8 @@ BlPeiEntryPoint (
|
||||
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
|
||||
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
|
||||
),
|
||||
(EFI_PHYSICAL_ADDRESS)(0 + 0x1000),
|
||||
(UINT64)(0xA0000 - 0x1000)
|
||||
(EFI_PHYSICAL_ADDRESS)(0x1000),
|
||||
(UINT64)(0x9F000)
|
||||
);
|
||||
|
||||
BuildResourceDescriptorHob (
|
||||
|
Reference in New Issue
Block a user