16a16ea6e3
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
72 lines
1.7 KiB
NASM
72 lines
1.7 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;
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; Abstract:
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;
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; Switch the stack from temporary memory to permenent memory.
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;
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;------------------------------------------------------------------------------
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.586p
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.model flat,C
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.code
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;------------------------------------------------------------------------------
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; UINT32
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; EFIAPI
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; Pei2LoaderSwitchStack (
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; VOID
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; )
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;------------------------------------------------------------------------------
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EXTERNDEF C MeasurePoint:PROC
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Pei2LoaderSwitchStack PROC C PUBLIC
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xor eax, eax
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jmp FspSwitchStack
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Pei2LoaderSwitchStack ENDP
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;------------------------------------------------------------------------------
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; UINT32
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; EFIAPI
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; Loader2PeiSwitchStack (
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; VOID
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; )
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;------------------------------------------------------------------------------
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Loader2PeiSwitchStack PROC C PUBLIC
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jmp FspSwitchStack
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Loader2PeiSwitchStack ENDP
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;------------------------------------------------------------------------------
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; UINT32
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; EFIAPI
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; FspSwitchStack (
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; VOID
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; )
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;------------------------------------------------------------------------------
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EXTERNDEF C SwapStack:PROC
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FspSwitchStack PROC C PUBLIC
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; Save current contexts
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push eax
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pushfd
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cli
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pushad
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sub esp, 8
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sidt fword ptr [esp]
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; Load new stack
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push esp
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call SwapStack
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mov esp, eax
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; Restore previous contexts
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lidt fword ptr [esp]
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add esp, 8
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popad
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popfd
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add esp, 4
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ret
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FspSwitchStack ENDP
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END
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