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55 lines
1.8 KiB
55 lines
1.8 KiB
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php.
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# LongJump.S
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#
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# Abstract:
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#
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# Implementation of _LongJump() on x64.
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#
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# VOID
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# EFIAPI
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# InternalLongJump (
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# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
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# IN UINTN Value
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# );
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(InternalLongJump)
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ASM_PFX(InternalLongJump):
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mov (%rcx), %rbx
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mov 0x8(%rcx), %rsp
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mov 0x10(%rcx), %rbp
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mov 0x18(%rcx), %rdi
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mov 0x20(%rcx), %rsi
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mov 0x28(%rcx), %r12
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mov 0x30(%rcx), %r13
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mov 0x38(%rcx), %r14
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mov 0x40(%rcx), %r15
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# load non-volatile fp registers
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ldmxcsr 0x50(%rcx)
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movdqu 0x58(%rcx), %xmm6
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movdqu 0x68(%rcx), %xmm7
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movdqu 0x78(%rcx), %xmm8
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movdqu 0x88(%rcx), %xmm9
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movdqu 0x98(%rcx), %xmm10
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movdqu 0xA8(%rcx), %xmm11
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movdqu 0xB8(%rcx), %xmm12
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movdqu 0xC8(%rcx), %xmm13
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movdqu 0xD8(%rcx), %xmm14
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movdqu 0xE8(%rcx), %xmm15
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mov %rdx, %rax # set return value
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jmp *0x48(%rcx)
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