rt-thread-official/libcpu/risc-v/virt64/cpuport_gcc.S

26 lines
644 B
ArmAsm

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-10-19 RT-Thread the first version
*/
#include "cpuport.h"
#include "stackframe.h"
#include "asm-generic.h"
START_POINT(_rt_thread_entry)
LOAD ra, REGBYTES(sp) /* thread exit */
addi sp, sp, 2 * REGBYTES
LOAD a0, (sp) /* parameter */
LOAD t0, REGBYTES(sp) /* tentry */
addi sp, sp, 2 * REGBYTES
mv s1, ra
jalr t0
jalr s1
j . /* never here */
START_POINT_END(_rt_thread_entry)