1#include "cpuport.h" 2 3 .globl rt_hw_do_after_save_above 4 .type rt_hw_do_after_save_above,@function 5rt_hw_do_after_save_above: 6 addi sp, sp, -4 7 STORE ra, 0 * REGBYTES(sp) 8 9 csrr a0, mcause 10 csrr a1, mepc 11 mv a2, sp 12 call rt_rv32_system_irq_handler 13 14 LOAD ra, 0 * REGBYTES(sp) 15 addi sp, sp, 4 16 ret 17