diff options
Diffstat (limited to 'EmbeddedPkg/Library/PrePiMemoryAllocationLib')
-rw-r--r-- | EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c index 85a32b7362..c22682a918 100644 --- a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c @@ -130,7 +130,33 @@ AllocateAlignedPages ( }
+/**
+ Frees one or more 4KB pages that were previously allocated with one of the page allocation
+ functions in the Memory Allocation Library.
+
+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
+ must have been allocated on a previous call to the page allocation services of the Memory
+ Allocation Library. If it is not possible to free allocated pages, then this function will
+ perform no actions.
+
+ If Buffer was not allocated with a page allocation function in the Memory Allocation Library,
+ then ASSERT().
+ If Pages is zero, then ASSERT().
+
+ @param Buffer Pointer to the buffer of pages to free.
+ @param Pages The number of 4 KB pages to free.
+**/
+VOID
+EFIAPI
+FreePages (
+ IN VOID *Buffer,
+ IN UINTN Pages
+ )
+{
+ // For now, we do not support the ability to free pages in the PrePei Memory Allocator.
+ // The allocated memory is lost.
+}
/**
Allocates a buffer of type EfiBootServicesData.
|