#include "encoding.h" // See LICENSE for license details. .section .init .globl _start .type _start,@function _start: .option push .option norelax .option norvc j 1f .2byte 0x4e4d .2byte 0x5352 .4byte 0x669 1: la gp, __global_pointer$ .option pop la sp, _sp la t0, trap_entry csrw mtvec, t0 /* Load data section */ la a0, _data_lma la a1, _data la a2, _edata bgeu a1, a2, 2f 1: lw t0, (a0) addi a0, a0, 4 sw t0, (a1) addi a1, a1, 4 bltu a1, a2, 1b 2: /* Clear bss section */ la a0, __bss_start la a1, _end bgeu a0, a1, 2f 1: sw zero, (a0) addi a0, a0, 4 bltu a0, a1, 1b 2: /* Call global constructors */ #ifndef HAVE_NO_INIT_FINI la a0, __libc_fini_array call atexit call __libc_init_array #endif #ifndef __riscv_float_abi_soft /* Enable FPU */ li t0, MSTATUS_FS csrs mstatus, t0 csrr t1, mstatus and t1, t1, t0 beqz t1, 1f fssr x0 1: #endif /* argc = argv = 0 */ li a0, 0 li a1, 0 call main tail _exit