diff options
author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
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committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseLib/X64/LongJump.S | |
parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseLib/X64/LongJump.S')
-rw-r--r-- | Core/MdePkg/Library/BaseLib/X64/LongJump.S | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/X64/LongJump.S b/Core/MdePkg/Library/BaseLib/X64/LongJump.S new file mode 100644 index 0000000000..f20446fcf0 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/X64/LongJump.S @@ -0,0 +1,54 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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:
+#
+# LongJump.S
+#
+# Abstract:
+#
+# Implementation of _LongJump() on x64.
+#
+#------------------------------------------------------------------------------
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# InternalLongJump (
+# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
+# IN UINTN Value
+# );
+#------------------------------------------------------------------------------
+ASM_GLOBAL ASM_PFX(InternalLongJump)
+ASM_PFX(InternalLongJump):
+ mov (%rcx), %rbx
+ mov 0x8(%rcx), %rsp
+ mov 0x10(%rcx), %rbp
+ mov 0x18(%rcx), %rdi
+ mov 0x20(%rcx), %rsi
+ mov 0x28(%rcx), %r12
+ mov 0x30(%rcx), %r13
+ mov 0x38(%rcx), %r14
+ mov 0x40(%rcx), %r15
+ # load non-volatile fp registers
+ ldmxcsr 0x50(%rcx)
+ movdqu 0x58(%rcx), %xmm6
+ movdqu 0x68(%rcx), %xmm7
+ movdqu 0x78(%rcx), %xmm8
+ movdqu 0x88(%rcx), %xmm9
+ movdqu 0x98(%rcx), %xmm10
+ movdqu 0xA8(%rcx), %xmm11
+ movdqu 0xB8(%rcx), %xmm12
+ movdqu 0xC8(%rcx), %xmm13
+ movdqu 0xD8(%rcx), %xmm14
+ movdqu 0xE8(%rcx), %xmm15
+ mov %rdx, %rax # set return value
+ jmp *0x48(%rcx)
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