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authorOlivier Martin <olivier.martin@arm.com>2013-07-17 06:24:15 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2013-07-17 06:24:15 +0000
commit0b342ffb76c320e56c72eeed3d877415659c252b (patch)
treeff957eb369b94c3079aa32111ce9349cc6a9cd24 /EmbeddedPkg
parentf93f248a78a2c73114641c27042c16f6593dc5dc (diff)
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EmbeddedPkg/PrePiMemoryAllocationLib: Added dummy FreePages()
This function is exposed by the MemoryAllocationLib header. A dummy FreePages() function has been added to fix modules depending on this library and this function. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14478 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EmbeddedPkg')
-rw-r--r--EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
index 85a32b7..c22682a 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.