66 lines
846 B
ArmAsm
66 lines
846 B
ArmAsm
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021/04/24 Juice The first version
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*/
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.global _start
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.section ".start", "ax"
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_start:
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.align 3
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csrw mideleg, 0
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csrw medeleg, 0
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csrw mie, 0
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csrw mip, 0
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la t0, trap_entry
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csrw mtvec, t0
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li x1, 0
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li x2, 0
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li x3, 0
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li x4, 0
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li x5, 0
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li x6, 0
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li x7, 0
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li x8, 0
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li x9, 0
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li x10, 0
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li x11, 0
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li x12, 0
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li x13, 0
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li x14, 0
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li x15, 0
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li x16, 0
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li x17, 0
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li x18, 0
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li x19, 0
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li x20, 0
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li x21, 0
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li x22, 0
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li x23, 0
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li x24, 0
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li x25, 0
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li x26, 0
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li x27, 0
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li x28, 0
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li x29, 0
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li x30, 0
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li x31, 0
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/* set to initial state of FPU and disable interrupt */
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li t0, 0
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csrs mstatus, t0
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.option push
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.option norelax
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la gp, __global_pointer$
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la sp, __stack
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call entry
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call exit
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.option pop
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