1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006, 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.Asm 15 ; 16 ; Abstract: 17 ; 18 ; Implementation of _LongJump() on x64. 19 ; 20 ;------------------------------------------------------------------------------ 21 22 DEFAULT REL 23 SECTION .text 24 25 ;------------------------------------------------------------------------------ 26 ; VOID 27 ; EFIAPI 28 ; InternalLongJump ( 29 ; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, 30 ; IN UINTN Value 31 ; ); 32 ;------------------------------------------------------------------------------ 33 global ASM_PFX(InternalLongJump) 34 ASM_PFX(InternalLongJump): 35 mov rbx, [rcx] 36 mov rsp, [rcx + 8] 37 mov rbp, [rcx + 0x10] 38 mov rdi, [rcx + 0x18] 39 mov rsi, [rcx + 0x20] 40 mov r12, [rcx + 0x28] 41 mov r13, [rcx + 0x30] 42 mov r14, [rcx + 0x38] 43 mov r15, [rcx + 0x40] 44 ; load non-volatile fp registers 45 ldmxcsr [rcx + 0x50] 46 movdqu xmm6, [rcx + 0x58] 47 movdqu xmm7, [rcx + 0x68] 48 movdqu xmm8, [rcx + 0x78] 49 movdqu xmm9, [rcx + 0x88] 50 movdqu xmm10, [rcx + 0x98] 51 movdqu xmm11, [rcx + 0xA8] 52 movdqu xmm12, [rcx + 0xB8] 53 movdqu xmm13, [rcx + 0xC8] 54 movdqu xmm14, [rcx + 0xD8] 55 movdqu xmm15, [rcx + 0xE8] 56 mov rax, rdx ; set return value 57 jmp qword [rcx + 0x48] 58 59
