X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FReadDr0.c;fp=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FReadDr0.c;h=23880a416ef79f8d738317b9b630239d06a3af1e;hb=42eedea958591087603bbacd1c2227d2494026af;hp=7c6f0c629a7ef0424faf815ccf9c320902fdb5d3;hpb=0f82bd55142af193e669e76fcaf02f8d835f3f39;p=mirror_edk2.git

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr0.c b/MdePkg/Library/BaseLib/Ia32/ReadDr0.c
index 7c6f0c629a..23880a416e 100644
--- a/MdePkg/Library/BaseLib/Ia32/ReadDr0.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDr0.c
@@ -17,6 +17,16 @@
 //
 
 
+/**
+  Reads the current value of Debug Register 0 (DR0).
+
+  Reads and returns the current value of DR0. 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 0 (DR0).
+
+**/
 UINTN
 EFIAPI
 AsmReadDr0 (