X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FUniversal%2FRuntime%2FRuntimeDxe%2FCrc32.c;h=3692d978f46f11d9f085fca19425c6bf497fee62;hp=675a5503c3e0eecaf32c200887802a684a501cb0;hb=3ec2611d34aec117fec295ab55dbf62363a7a7a9;hpb=d43eee260fdd3080c85a7d6860c19100d7e48e6b

diff --git a/EdkModulePkg/Universal/Runtime/RuntimeDxe/Crc32.c b/EdkModulePkg/Universal/Runtime/RuntimeDxe/Crc32.c
index 675a5503c3..3692d978f4 100644
--- a/EdkModulePkg/Universal/Runtime/RuntimeDxe/Crc32.c
+++ b/EdkModulePkg/Universal/Runtime/RuntimeDxe/Crc32.c
@@ -41,10 +41,20 @@ RuntimeDriverCalculateCrc32 (
 
 Routine Description:
 
+  Calculate CRC32 for target data
+
 Arguments:
 
+  Data     - The target data.
+  DataSize - The target data size.
+  CrcOut   - The CRC32 for target data.
+
 Returns:
 
+  EFI_SUCCESS           - The CRC32 for target data is calculated successfully.
+  EFI_INVALID_PARAMETER - Some parameter is not valid, so the CRC32 is not 
+                          calculated.
+
 --*/
 {
   UINT32  Crc;
@@ -72,10 +82,16 @@ ReverseBits (
 
 Routine Description:
 
+  Reverse bits for 32bit data.
+
 Arguments:
 
+  Value - the data to be reversed.
+
 Returns:
 
+  UINT32 data reversed.
+
 --*/
 {
   UINTN   Index;
@@ -99,10 +115,16 @@ RuntimeDriverInitializeCrc32Table (
 
 Routine Description:
 
+  Initialize CRC32 table.
+
 Arguments:
 
+  None.
+
 Returns:
 
+  None.
+
 --*/
 {
   UINTN   TableEntry;