Code Scrub for MdePkg.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadDr4.c

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr4.c b/MdePkg/Library/BaseLib/Ia32/ReadDr4.c
index 9ec23218d4fd9ecaac099d16af73cc4069bb6ed5..ff37daa58aa19ad06bda88322fd3507b1c1e8e02 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadDr4.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDr4.c
@@ -17,6 +17,16 @@
 //\r
 \r
 \r
+/**\r
+  Reads the current value of Debug Register 4 (DR4).\r
+\r
+  Reads and returns the current value of DR4. This function is only available\r
+  on IA-32 and X64. This returns a 32-bit value on IA-32 and a 64-bit value on\r
+  X64.\r
+\r
+  @return The value of Debug Register 4 (DR4).\r
+\r
+**/\r
 UINTN\r
 EFIAPI\r
 AsmReadDr4 (\r