diff options
Diffstat (limited to 'IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s')
-rw-r--r-- | IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s b/IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s deleted file mode 100644 index a21a5b6c61..0000000000 --- a/IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s +++ /dev/null @@ -1,78 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Copyright (c) 2014 - 2015, 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.
-#
-# Abstract:
-#
-# Switch the stack from temporary memory to permenent memory.
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# UINT32
-# EFIAPI
-# Pei2LoaderSwitchStack (
-# VOID
-# )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(Pei2LoaderSwitchStack)
-ASM_PFX(Pei2LoaderSwitchStack):
- xorl %eax, %eax
- jmp ASM_PFX(FspSwitchStack)
-
-#------------------------------------------------------------------------------
-# UINT32
-# EFIAPI
-# Loader2PeiSwitchStack (
-# VOID
-# )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(Loader2PeiSwitchStack)
-ASM_PFX(Loader2PeiSwitchStack):
- jmp ASM_PFX(FspSwitchStack)
-
-#------------------------------------------------------------------------------
-# UINT32
-# EFIAPI
-# FspSwitchStack (
-# VOID
-# )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(FspSwitchStack)
-ASM_PFX(FspSwitchStack):
- #
- #Save current contexts
- #
- push %eax
- pushf
- cli
- pusha
- sub $0x08, %esp
- sidt (%esp)
-
- #
- # Load new stack
- #
- push %esp
- call ASM_PFX(SwapStack)
- movl %eax, %esp
-
- #
- # Restore previous contexts
- #
- lidt (%esp)
- add $0x08,%esp
- popa
- popf
- add $0x04,%esp
- ret
-
-
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