4059386c70
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: Leif Lindholm <leif.lindholm@linaro.org>
34 lines
774 B
NASM
34 lines
774 B
NASM
//
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// Copyright (c) 2016 - 2017, ARM Limited. All rights reserved.
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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//
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INCLUDE AsmMacroExport.inc
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RVCT_ASM_EXPORT ArmCallSvc
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// r0 will be popped just after the SVC call
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push {r0, r4-r8}
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// Load the SVC arguments values into the appropriate registers
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ldm r0, {r0-r7}
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svc #0
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// Load the ARM_SVC_ARGS structure address from the stack into r8
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ldr r8, [sp]
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// Load the SVC returned values into the appropriate registers
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// A SVC call can return up to 4 values - we do not need to store back r4-r7.
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stm r8, {r0-r3}
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mov r0, r8
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// Restore the registers r4-r8
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pop {r1, r4-r8}
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bx lr
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END
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