UefiCpuPkg/CpuDxe: Fix boot error

[mirror_edk2.git] / UefiCpuPkg / CpuDxe / X64 / CpuAsm.nasm

diff --git a/UefiCpuPkg/CpuDxe/X64/CpuAsm.nasm b/UefiCpuPkg/CpuDxe/X64/CpuAsm.nasm
index c3489bcc3e896f47281c8e1ba1fedbc9637d5beb..66f8857fc0c873228f3d5eac1346850cb8b0683b 100644 (file)
--- a/UefiCpuPkg/CpuDxe/X64/CpuAsm.nasm
+++ b/UefiCpuPkg/CpuDxe/X64/CpuAsm.nasm
@@ -20,13 +20,11 @@
 ;------------------------------------------------------------------------------\r
 global ASM_PFX(SetCodeSelector)\r
 ASM_PFX(SetCodeSelector):\r
-    sub     rsp, 0x10\r
+    push    rcx\r
     lea     rax, [setCodeSelectorLongJump]\r
-    mov     [rsp], rax\r
-    mov     [rsp+4], cx\r
-    jmp     dword far [rsp]\r
+    push    rax\r
+    o64 retf\r
 setCodeSelectorLongJump:\r
-    add     rsp, 0x10\r
     ret\r
 \r
 ;------------------------------------------------------------------------------\r