diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/LongJump.nasm | 58 |
2 files changed, 60 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 01ce2b6edd..f9628e5805 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -433,6 +433,7 @@ X64/CpuIdEx.asm
X64/CpuId.nasm
X64/CpuId.asm
+ X64/LongJump.nasm
X64/LongJump.asm
X64/SetJump.asm
X64/SwitchStack.asm
@@ -607,6 +608,7 @@ X64/Thunk16.S | XCODE
X64/SwitchStack.S | GCC
X64/SetJump.S | GCC
+ X64/LongJump.nasm| GCC
X64/LongJump.S | GCC
X64/EnableDisableInterrupts.S | GCC
X64/DisablePaging64.S | GCC
diff --git a/MdePkg/Library/BaseLib/X64/LongJump.nasm b/MdePkg/Library/BaseLib/X64/LongJump.nasm new file mode 100644 index 0000000000..3bac27469e --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/LongJump.nasm @@ -0,0 +1,58 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; LongJump.Asm
+;
+; Abstract:
+;
+; Implementation of _LongJump() on x64.
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalLongJump (
+; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
+; IN UINTN Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalLongJump)
+ASM_PFX(InternalLongJump):
+ mov rbx, [rcx]
+ mov rsp, [rcx + 8]
+ mov rbp, [rcx + 0x10]
+ mov rdi, [rcx + 0x18]
+ mov rsi, [rcx + 0x20]
+ mov r12, [rcx + 0x28]
+ mov r13, [rcx + 0x30]
+ mov r14, [rcx + 0x38]
+ mov r15, [rcx + 0x40]
+ ; load non-volatile fp registers
+ ldmxcsr [rcx + 0x50]
+ movdqu xmm6, [rcx + 0x58]
+ movdqu xmm7, [rcx + 0x68]
+ movdqu xmm8, [rcx + 0x78]
+ movdqu xmm9, [rcx + 0x88]
+ movdqu xmm10, [rcx + 0x98]
+ movdqu xmm11, [rcx + 0xA8]
+ movdqu xmm12, [rcx + 0xB8]
+ movdqu xmm13, [rcx + 0xC8]
+ movdqu xmm14, [rcx + 0xD8]
+ movdqu xmm15, [rcx + 0xE8]
+ mov rax, rdx ; set return value
+ jmp qword [rcx + 0x48]
+
|