1 files changed, 66 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/X64/SetJump.nasm b/Core/MdePkg/Library/BaseLib/X64/SetJump.nasm
new file mode 100644
index 0000000000..b1d0ff7121
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/X64/SetJump.nasm
@@ -0,0 +1,66 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   SetJump.Asm
+;
+; Abstract:
+;
+;   Implementation of SetJump() on x64.
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+extern ASM_PFX(InternalAssertJumpBuffer)
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; SetJump (
+;   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(SetJump)
+ASM_PFX(SetJump):
+    push    rcx
+    add     rsp, -0x20
+    call    ASM_PFX(InternalAssertJumpBuffer)
+    add     rsp, 0x20
+    pop     rcx
+    pop     rdx
+    mov     [rcx], rbx
+    mov     [rcx + 8], rsp
+    mov     [rcx + 0x10], rbp
+    mov     [rcx + 0x18], rdi
+    mov     [rcx + 0x20], rsi
+    mov     [rcx + 0x28], r12
+    mov     [rcx + 0x30], r13
+    mov     [rcx + 0x38], r14
+    mov     [rcx + 0x40], r15
+    mov     [rcx + 0x48], rdx
+    ; save non-volatile fp registers
+    stmxcsr [rcx + 0x50]
+    movdqu  [rcx + 0x58], xmm6
+    movdqu  [rcx + 0x68], xmm7
+    movdqu  [rcx + 0x78], xmm8
+    movdqu  [rcx + 0x88], xmm9
+    movdqu  [rcx + 0x98], xmm10
+    movdqu  [rcx + 0xA8], xmm11
+    movdqu  [rcx + 0xB8], xmm12
+    movdqu  [rcx + 0xC8], xmm13
+    movdqu  [rcx + 0xD8], xmm14
+    movdqu  [rcx + 0xE8], xmm15
+    xor     rax, rax
+    jmp     rdx
+