Update x64 version of InitializeFpu.asm to use raw op-codes instead of 'finit' so...

[mirror_edk2.git] / UefiCpuPkg / Library / BaseUefiCpuLib / X64 / InitializeFpu.asm

diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
index 34c6de6f53cf482e9b77ae1c4f8c8dd5d58b055e..5098124a9ce0fcd6412116561705e5e2e9180386 100644 (file)
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
+++ b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.asm
@@ -41,7 +41,10 @@ InitializeFloatingPointUnits PROC PUBLIC
     ;\r
     ; Initialize floating point units\r
     ;\r
-    finit\r
+    ; The following opcodes stand for instruction 'finit' \r
+    ; to be supported by some 64-bit assemblers\r
+    ;\r
+    DB      9Bh, 0DBh, 0E3h\r
     fldcw   mFpuControlWord\r
     \r
     ;\r