MdeModulePkg DxeCore: Add OEM reserved memory type support.

[mirror_edk2.git] / MdeModulePkg / Core / Dxe / Mem / Pool.c

diff --git a/MdeModulePkg/Core/Dxe/Mem/Pool.c b/MdeModulePkg/Core/Dxe/Mem/Pool.c
index ac717fb65f7a3a50da948bb01e67a356a4c6bf53..e5fee1abfc56dec170008f9075d14771c1b7e1e0 100644 (file)
--- a/MdeModulePkg/Core/Dxe/Mem/Pool.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Pool.c
@@ -154,10 +154,11 @@ LookupPoolHead (
   }\r
 \r
   //\r
-  // MemoryType values in the range 0x80000000..0xFFFFFFFF are reserved for use by UEFI \r
-  // OS loaders that are provided by operating system vendors\r
+  // MemoryType values in the range 0x80000000..0xFFFFFFFF are reserved for use by UEFI\r
+  // OS loaders that are provided by operating system vendors.\r
+  // MemoryType values in the range 0x70000000..0x7FFFFFFF are reserved for OEM use.\r
   //\r
-  if ((INT32)MemoryType < 0) {\r
+  if ((UINT32) MemoryType >= MEMORY_TYPE_OEM_RESERVED_MIN) {\r
 \r
     for (Link = mPoolHeadList.ForwardLink; Link != &mPoolHeadList; Link = Link->ForwardLink) {\r
       Pool = CR(Link, POOL, Link, POOL_SIGNATURE);\r
@@ -215,7 +216,7 @@ CoreInternalAllocatePool (
   //\r
   // If it's not a valid type, fail it\r
   //\r
-  if ((PoolType >= EfiMaxMemoryType && PoolType <= 0x7fffffff) ||\r
+  if ((PoolType >= EfiMaxMemoryType && PoolType < MEMORY_TYPE_OEM_RESERVED_MIN) ||\r
        (PoolType == EfiConventionalMemory) || (PoolType == EfiPersistentMemory)) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r