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-rw-r--r--UnixPkg/Library/UnixBaseLib/X64/SetJump.S82
1 files changed, 82 insertions, 0 deletions
diff --git a/UnixPkg/Library/UnixBaseLib/X64/SetJump.S b/UnixPkg/Library/UnixBaseLib/X64/SetJump.S
new file mode 100644
index 0000000000..b5fd38ab6a
--- /dev/null
+++ b/UnixPkg/Library/UnixBaseLib/X64/SetJump.S
@@ -0,0 +1,82 @@
+#------------------------------------------------------------------------------
+#
+# 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:
+#
+# SetJump.S
+#
+# Abstract:
+#
+# Implementation of SetJump() on x86_64
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(EfiSetJump)
+ASM_PFX(EfiSetJump):
+ push %rcx
+ add $0xffffffffffffffe0,%rsp
+ call ASM_PFX(InternalAssertJumpBuffer)
+ add $0x20,%rsp
+ pop %rcx
+ pop %rdx
+ mov %rbx,(%rcx)
+ mov %rsp,0x8(%rcx)
+ mov %rbp,0x10(%rcx)
+ mov %rdi,0x18(%rcx)
+ mov %rsi,0x20(%rcx)
+ mov %r12,0x28(%rcx)
+ mov %r13,0x30(%rcx)
+ mov %r14,0x38(%rcx)
+ mov %r15,0x40(%rcx)
+ mov %rdx,0x48(%rcx)
+ # save non-volatile fp registers
+ stmxcsr 0x50(%rcx)
+ movdqu %xmm6, 0x58(%rcx)
+ movdqu %xmm7, 0x68(%rcx)
+ movdqu %xmm8, 0x78(%rcx)
+ movdqu %xmm9, 0x88(%rcx)
+ movdqu %xmm10, 0x98(%rcx)
+ movdqu %xmm11, 0xA8(%rcx)
+ movdqu %xmm12, 0xB8(%rcx)
+ movdqu %xmm13, 0xC8(%rcx)
+ movdqu %xmm14, 0xD8(%rcx)
+ movdqu %xmm15, 0xE8(%rcx)
+ xor %rax,%rax
+ jmpq *%rdx
+
+
+ASM_GLOBAL ASM_PFX(SetJump)
+ASM_PFX(SetJump):
+ pop %rdx
+ mov %rbx,(%rdi) # Rbx
+ mov %rsp,0x8(%rdi)
+ mov %rbp,0x10(%rdi)
+ mov %rcx,0x18(%rdi)
+ mov %rsi,0x20(%rdi)
+ mov %r12,0x28(%rdi)
+ mov %r13,0x30(%rdi)
+ mov %r14,0x38(%rdi)
+ mov %r15,0x40(%rdi)
+ mov %rdx,0x48(%rdi)
+ # save non-volatile fp registers
+ stmxcsr 0x50(%rdi)
+ movdqu %xmm6, 0x58(%rdi)
+ movdqu %xmm7, 0x68(%rdi)
+ movdqu %xmm8, 0x78(%rdi)
+ movdqu %xmm9, 0x88(%rdi)
+ movdqu %xmm10, 0x98(%rdi)
+ movdqu %xmm11, 0xA8(%rdi)
+ movdqu %xmm12, 0xB8(%rdi)
+ movdqu %xmm13, 0xC8(%rdi)
+ movdqu %xmm14, 0xD8(%rdi)
+ movdqu %xmm15, 0xE8(%rdi)
+ xor %rax,%rax
+ jmpq *%rdx