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9344f09215
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: Liming Gao <liming.gao@intel.com>
46 lines
1.2 KiB
NASM
46 lines
1.2 KiB
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006 - 2008, 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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; Module Name:
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;
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; SwitchStack.Asm
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;
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; Abstract:
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;
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;------------------------------------------------------------------------------
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DEFAULT REL
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SECTION .text
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;------------------------------------------------------------------------------
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; Routine Description:
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;
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; Routine for switching stacks with 2 parameters
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;
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; Arguments:
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;
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; (rcx) EntryPoint - Entry point with new stack.
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; (rdx) Context1 - Parameter1 for entry point.
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; (r8) Context2 - Parameter2 for entry point.
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; (r9) NewStack - The pointer to new stack.
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;
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; Returns:
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;
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; None
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;
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;------------------------------------------------------------------------------
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global ASM_PFX(InternalSwitchStack)
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ASM_PFX(InternalSwitchStack):
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mov rax, rcx
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mov rcx, rdx
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mov rdx, r8
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;
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; Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack,
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; in case the callee wishes to spill them.
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;
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lea rsp, [r9 - 0x20]
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call rax
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