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1#------------------------------------------------------------------------------
2#
3# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
4# This program and the accompanying materials
5# are licensed and made available under the terms and conditions of the BSD License
6# which accompanies this distribution.  The full text of the license may be found at
7# http://opensource.org/licenses/bsd-license.php.
8#
9# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11#
12# Module Name:
13#
14#   LongJump.S
15#
16# Abstract:
17#
18#   Implementation of _LongJump() on x64.
19#
20#------------------------------------------------------------------------------
21
22#------------------------------------------------------------------------------
23# VOID
24# EFIAPI
25# InternalLongJump (
26#   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
27#   IN      UINTN                     Value
28#   );
29#------------------------------------------------------------------------------
30ASM_GLOBAL ASM_PFX(InternalLongJump)
31ASM_PFX(InternalLongJump):
32    mov     (%rcx), %rbx
33    mov     0x8(%rcx), %rsp
34    mov     0x10(%rcx), %rbp
35    mov     0x18(%rcx), %rdi
36    mov     0x20(%rcx), %rsi
37    mov     0x28(%rcx), %r12
38    mov     0x30(%rcx), %r13
39    mov     0x38(%rcx), %r14
40    mov     0x40(%rcx), %r15
41    # load non-volatile fp registers
42    ldmxcsr 0x50(%rcx)
43    movdqu  0x58(%rcx), %xmm6
44    movdqu  0x68(%rcx), %xmm7
45    movdqu  0x78(%rcx), %xmm8
46    movdqu  0x88(%rcx), %xmm9
47    movdqu  0x98(%rcx), %xmm10
48    movdqu  0xA8(%rcx), %xmm11
49    movdqu  0xB8(%rcx), %xmm12
50    movdqu  0xC8(%rcx), %xmm13
51    movdqu  0xD8(%rcx), %xmm14
52    movdqu  0xE8(%rcx), %xmm15
53    mov     %rdx, %rax          # set return value
54    jmp     *0x48(%rcx)
55