diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/WriteCr4.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/WriteCr4.c | 11 |
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 (
|