diff options
Diffstat (limited to 'EmbeddedPkg/Library/PrePiMemoryAllocationLib')
-rw-r--r-- | EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c index 0e75e23933..55e9249a57 100644 --- a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c @@ -16,6 +16,7 @@ #include <PiPei.h>
#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
#include <Library/PrePiLib.h>
#include <Library/DebugLib.h>
@@ -195,6 +196,37 @@ AllocatePool ( }
/**
+ Allocates and zeros a buffer of type EfiBootServicesData.
+
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
+ request, then NULL is returned.
+
+ @param AllocationSize The number of bytes to allocate and zero.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateZeroPool (
+ IN UINTN AllocationSize
+ )
+{
+ VOID *Buffer;
+
+ Buffer = AllocatePool (AllocationSize);
+ if (Buffer == NULL) {
+ return NULL;
+ }
+
+ ZeroMem (Buffer, AllocationSize);
+
+ return Buffer;
+}
+
+/**
Frees a buffer that was previously allocated with one of the pool allocation functions in the
Memory Allocation Library.
|