#include "tl2cdr.h"

.extern main

.extern int_svr_code
.extern plic_claim

.globl _prog_start
.section .text.init


_prog_start:
	li x1,  0
	li x2,  0
	li x3,  0
	li x4,  0
	li x5,  0
	li x6,  0
	li x7,  0
	li x8,  0
	li x9,  0
	li x10, 0
	li x11, 0
	li x12, 0
	li x13, 0
	li x14, 0
	li x15, 0
#ifdef __RV32I_MARCH__
	li x16, 0
	li x17, 0
	li x18, 0
	li x19, 0
	li x20, 0
	li x21, 0
	li x22, 0
	li x23, 0
	li x24, 0
	li x25, 0
	li x26, 0
	li x27, 0
	li x28, 0
	li x29, 0
	li x30, 0
	li x31, 0
#endif

	li sp, 0x40011000

	li 	a0, 0

	lui t0, %hi(plic_claim)
	lw 	a1, %lo(plic_claim)(t0)

	call int_svr_code
	mv t0, a0					#这里选择不同的trap_entry服务函数,这个是RV32I的代码
	
	csrw mtvec, t0
	li t0, 1 << 11
	csrw mie, t0

	csrr t0, mstatus
	ori t0, t0, 1<<3
	csrw mstatus, t0

	call main

	ecall