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authoryshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524>2008-07-25 12:21:57 +0000
committeryshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524>2008-07-25 12:21:57 +0000
commit42eedea958591087603bbacd1c2227d2494026af (patch)
tree2213bd86a2a23738bf9caeb10f48df6ad5a1986b /MdePkg/Library/BaseLib/Ia32/WriteCr4.c
parent0f82bd55142af193e669e76fcaf02f8d835f3f39 (diff)
downloadedk2-platforms-42eedea958591087603bbacd1c2227d2494026af.tar.xz
Code Scrub for MdePkg.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5567 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/WriteCr4.c')
-rw-r--r--MdePkg/Library/BaseLib/Ia32/WriteCr4.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteCr4.c b/MdePkg/Library/BaseLib/Ia32/WriteCr4.c
index 04e7b00491..548d30ee31 100644
--- a/MdePkg/Library/BaseLib/Ia32/WriteCr4.c
+++ b/MdePkg/Library/BaseLib/Ia32/WriteCr4.c
@@ -17,6 +17,17 @@
//
+/**
+ Writes a value to Control Register 4 (CR4).
+
+ Writes and returns a new value to CR4. This function is only available on
+ IA-32 and X64. This writes a 32-bit value on IA-32 and a 64-bit value on X64.
+
+ @param Cr4 The value to write to CR4.
+
+ @return The value written to CR4.
+
+**/
UINTN
EFIAPI
AsmWriteCr4 (