Fix the bug that if code is run above 4G, AsmDisablePaging64 will be failed

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / FxSave.S

diff --git a/MdePkg/Library/BaseLib/Ia32/FxSave.S b/MdePkg/Library/BaseLib/Ia32/FxSave.S
index 81360846d9c64f8816c367bf7077900c27b50d03..7d6b379b6d3c401e701479fd39f01d9979150e65 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/FxSave.S
+++ b/MdePkg/Library/BaseLib/Ia32/FxSave.S
@@ -21,7 +21,7 @@
 #\r
 #------------------------------------------------------------------------------\r
 \r
-.globl ASM_PFX(InternalX86FxSave)\r
+ASM_GLOBAL ASM_PFX(InternalX86FxSave)\r
 \r
 #------------------------------------------------------------------------------\r
 # VOID\r
@@ -31,6 +31,6 @@
 #   );\r
 #------------------------------------------------------------------------------\r
 ASM_PFX(InternalX86FxSave):\r
-    movl    4(%esp), %eax\r
+    movl    4(%esp), %eax               # Buffer must be 16-byte aligned\r
     fxsave  (%eax)\r
     ret\r