diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/ReadDr4.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/ReadDr4.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr4.c b/MdePkg/Library/BaseLib/Ia32/ReadDr4.c index 9ec23218d4..ff37daa58a 100644 --- a/MdePkg/Library/BaseLib/Ia32/ReadDr4.c +++ b/MdePkg/Library/BaseLib/Ia32/ReadDr4.c @@ -17,6 +17,16 @@ //
+/**
+ Reads the current value of Debug Register 4 (DR4).
+
+ Reads and returns the current value of DR4. This function is only available
+ on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on
+ X64.
+
+ @return The value of Debug Register 4 (DR4).
+
+**/
UINTN
EFIAPI
AsmReadDr4 (
|