-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2008, Intel Corporation \r
-# All rights reserved. This program and the accompanying materials \r
-# are licensed and made available under the terms and conditions of the BSD License \r
-# which accompanies this distribution. The full text of the license may be found at \r
-# http://opensource.org/licenses/bsd-license.php \r
-# \r
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-# \r
-# Module Name:\r
-# ProcessorAsms.S\r
-#\r
-# Abstract:\r
-# This is separated from processor.c to allow this functions to be built with /O1\r
-#\r
-#\r
-#------------------------------------------------------------------------------\r
-#include <EfiBind.h>\r
-\r
- .text\r
-\r
-.global ASM_PFX(SwitchStacks)\r
-.global ASM_PFX(TransferControlSetJump)\r
-.global ASM_PFX(TransferControlLongJump)\r
-\r
-#\r
-# Routine Description:\r
-# This allows the caller to switch the stack and goes to the new entry point\r
-#\r
-# Arguments:\r
-# EntryPoint - Pointer to the location to enter // rcx\r
-# Parameter - Parameter to pass in // rdx\r
-# NewStack - New Location of the stack // r8\r
-# NewBsp - New BSP // r9 - not used\r
-#\r
-# Returns:\r
-# Nothing. Goes to the Entry Point passing in the new parameters\r
-#\r
-ASM_PFX(SwitchStacks):\r
-\r
- # Adjust stack for\r
- # 1) leave 4 registers space\r
- # 2) let it 16 bytes aligned after call\r
- sub $0x20,%r8\r
- and -0x10,%r8w # do not assume 16 bytes aligned\r
-\r
- mov %r8,%rsp\r
- mov %rcx,%r10\r
- mov %rdx,%rcx\r
- callq *%r10\r
-\r
- #\r
- # no ret as we have a new stack and we jumped to the new location\r
- # \r
- ret\r
-\r
-#SwitchStacks ENDP\r
-\r
-\r
-.equ EFI_SUCCESS, 0\r
-.equ EFI_WARN_RETURN_FROM_LONG_JUMP, 5\r
-\r
-#\r
-#Routine Description:\r
-#\r
-# This routine implements the x64 variant of the SetJump call. Its\r
-# responsibility is to store system state information for a possible\r
-# subsequent LongJump.\r
-#\r
-#Arguments:\r
-#\r
-# Pointer to CPU context save buffer.\r
-#\r
-#Returns:\r
-#\r
-# EFI_SUCCESS\r
-#\r
-# EFI_STATUS\r
-# EFIAPI\r
-# TransferControlLongJump (\r
-# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,\r
-# IN EFI_JUMP_BUFFER *Jump\r
-# );\r
-#\r
-# rcx - *This\r
-# rdx - JumpBuffer\r
-#\r
-ASM_PFX(TransferControlSetJump):\r
- mov %rbx,(%rdx)\r
- mov %rsp,0x8(%rdx)\r
- mov %rbp,0x10(%rdx)\r
- mov %rdi,0x18(%rdx)\r
- mov %rsi,0x20(%rdx)\r
- mov %r10,0x28(%rdx)\r
- mov %r11,0x30(%rdx)\r
- mov %r12,0x38(%rdx)\r
- mov %r13,0x40(%rdx)\r
- mov %r14,0x48(%rdx)\r
- mov %r15,0x50(%rdx)\r
- mov (%rsp),%rax\r
- mov %rax,0x58(%rdx)\r
- mov $0x0,%rax\r
- retq \r
-\r
-\r
-#\r
-# EFI_STATUS\r
-# EFIAPI\r
-# TransferControlLongJump (\r
-# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, // rcx\r
-# IN EFI_JUMP_BUFFER *Jump // rdx\r
-# );\r
-#\r
-#\r
-ASM_PFX(TransferControlLongJump):\r
- # set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP\r
- mov $0x5,%rax\r
- mov (%rdx),%rbx\r
- mov 0x8(%rdx),%rsp\r
- mov 0x10(%rdx),%rbp\r
- mov 0x18(%rdx),%rdi\r
- mov 0x20(%rdx),%rsi\r
- mov 0x28(%rdx),%r10\r
- mov 0x30(%rdx),%r11\r
- mov 0x38(%rdx),%r12\r
- mov 0x40(%rdx),%r13\r
- mov 0x48(%rdx),%r14\r
- mov 0x50(%rdx),%r15\r
- add $0x8,%rsp\r
- jmpq *0x58(%rdx)\r
- mov $0x5,%rax\r
- retq \r
-\r
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008, Intel Corporation
+# All rights reserved. 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:
+# ProcessorAsms.S
+#
+# Abstract:
+# This is separated from processor.c to allow this functions to be built with /O1
+#
+#
+#------------------------------------------------------------------------------
+#include <EfiBind.h>
+
+ .text
+
+.globl ASM_PFX(SwitchStacks)
+.globl ASM_PFX(TransferControlSetJump)
+.globl ASM_PFX(TransferControlLongJump)
+
+#
+# Routine Description:
+# This allows the caller to switch the stack and goes to the new entry point
+#
+# Arguments:
+# EntryPoint - Pointer to the location to enter // rcx
+# Parameter - Parameter to pass in // rdx
+# NewStack - New Location of the stack // r8
+# NewBsp - New BSP // r9 - not used
+#
+# Returns:
+# Nothing. Goes to the Entry Point passing in the new parameters
+#
+ASM_PFX(SwitchStacks):
+
+ # Adjust stack for
+ # 1) leave 4 registers space
+ # 2) let it 16 bytes aligned after call
+ sub $0x20,%r8
+ and -0x10,%r8w # do not assume 16 bytes aligned
+
+ mov %r8,%rsp
+ mov %rcx,%r10
+ mov %rdx,%rcx
+ callq *%r10
+
+ #
+ # no ret as we have a new stack and we jumped to the new location
+ #
+ ret
+
+#SwitchStacks ENDP
+
+
+.equ EFI_SUCCESS, 0
+.equ EFI_WARN_RETURN_FROM_LONG_JUMP, 5
+
+#
+#Routine Description:
+#
+# This routine implements the x64 variant of the SetJump call. Its
+# responsibility is to store system state information for a possible
+# subsequent LongJump.
+#
+#Arguments:
+#
+# Pointer to CPU context save buffer.
+#
+#Returns:
+#
+# EFI_SUCCESS
+#
+# EFI_STATUS
+# EFIAPI
+# TransferControlLongJump (
+# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
+# IN EFI_JUMP_BUFFER *Jump
+# );
+#
+# rcx - *This
+# rdx - JumpBuffer
+#
+ASM_PFX(TransferControlSetJump):
+ mov %rbx,(%rdx)
+ mov %rsp,0x8(%rdx)
+ mov %rbp,0x10(%rdx)
+ mov %rdi,0x18(%rdx)
+ mov %rsi,0x20(%rdx)
+ mov %r10,0x28(%rdx)
+ mov %r11,0x30(%rdx)
+ mov %r12,0x38(%rdx)
+ mov %r13,0x40(%rdx)
+ mov %r14,0x48(%rdx)
+ mov %r15,0x50(%rdx)
+ mov (%rsp),%rax
+ mov %rax,0x58(%rdx)
+ mov $0x0,%rax
+ retq
+
+
+#
+# EFI_STATUS
+# EFIAPI
+# TransferControlLongJump (
+# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, // rcx
+# IN EFI_JUMP_BUFFER *Jump // rdx
+# );
+#
+#
+ASM_PFX(TransferControlLongJump):
+ # set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP
+ mov $0x5,%rax
+ mov (%rdx),%rbx
+ mov 0x8(%rdx),%rsp
+ mov 0x10(%rdx),%rbp
+ mov 0x18(%rdx),%rdi
+ mov 0x20(%rdx),%rsi
+ mov 0x28(%rdx),%r10
+ mov 0x30(%rdx),%r11
+ mov 0x38(%rdx),%r12
+ mov 0x40(%rdx),%r13
+ mov 0x48(%rdx),%r14
+ mov 0x50(%rdx),%r15
+ add $0x8,%rsp
+ jmpq *0x58(%rdx)
+ mov $0x5,%rax
+ retq
+
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