kopia lustrzana https://github.com/micropython/micropython
76 wiersze
2.0 KiB
ArmAsm
76 wiersze
2.0 KiB
ArmAsm
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Alessandro Gatti
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/* Provide a base setjmp/longjmp implementation to not link libc in. */
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.globl setjmp
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.type setjmp, @function
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setjmp:
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sw ra, 0(a0)
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sw s0, 4(a0)
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sw s1, 8(a0)
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sw s2, 12(a0)
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sw s3, 16(a0)
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sw s4, 20(a0)
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sw s5, 24(a0)
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sw s6, 28(a0)
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sw s7, 32(a0)
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sw s8, 36(a0)
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sw s9, 40(a0)
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sw s10, 44(a0)
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sw s11, 48(a0)
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sw sp, 52(a0)
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addi a0, zero, 0
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jalr zero, ra, 0
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.size setjmp, .-setjmp
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.globl longjmp
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.type longjmp, @function
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longjmp:
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lw ra, 0(a0)
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lw s0, 4(a0)
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lw s1, 8(a0)
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lw s2, 12(a0)
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lw s3, 16(a0)
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lw s4, 20(a0)
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lw s5, 24(a0)
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lw s6, 28(a0)
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lw s7, 32(a0)
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lw s8, 36(a0)
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lw s9, 40(a0)
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lw s10, 44(a0)
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lw s11, 48(a0)
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lw sp, 52(a0)
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sltiu a0, a1, 1
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add a0, a0, a1
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jalr zero, ra, 0
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.size longjmp, .-longjmp
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