Current, the SystemMemoryUefiRegionSize is 32M, which means in universal
payload entry, we can at most use 32M heap.
However, this can't meet the memory requirment for 5 level page table.
In UefiPayloadPkg\UefiPayloadEntry\X64\VirtualMemory.c, we assume the
Physical Address at most has 52 bits. Using 1G table support, with 52 bits
Physical Address, to build page table, we need one overall page table,
eight five-level page tables, and for each five-level page table, we need
512 four-level page tables. Totally 8209 pages are needed, which is around
32M bytes.
Therefore, increase SystemMemoryUefiRegionSize from 32M to 64M to support
5 level page tables.
Cc: Guo Dong <guo.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Maurice Ma <maurice...@intel.com>
Cc: Benjamin You <benjamin....@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang....@intel.com>
---
UefiPayloadPkg/UefiPayloadPkg.dec | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/UefiPayloadPkg/UefiPayloadPkg.dec
b/UefiPayloadPkg/UefiPayloadPkg.dec
index faa98eb98a..551f0a4915 100644
--- a/UefiPayloadPkg/UefiPayloadPkg.dec
+++ b/UefiPayloadPkg/UefiPayloadPkg.dec
@@ -79,7 +79,7 @@
gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData|0xC0|UINT32|0x
gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode|0x80|UINT32|0x00000016
# Size of the region used by UEFI in permanent memory
-gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize|0x02000000|UINT32|0x00000017
+gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize|0x04000000|UINT32|0x00000017
gUefiPayloadPkgTokenSpaceGuid.PcdPcdDriverFile|{ 0x57, 0x72, 0xcf, 0x80, 0xab,
0x87, 0xf9, 0x47, 0xa3, 0xfe, 0xD5, 0x0B, 0x76, 0xd8, 0x95, 0x41
}|VOID*|0x00000018
--
2.32.0.windows.2
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