crt0.s

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

#include <machine.h>
#include <tk/asm.h>

#if _Csym == 0
#define	START	_start
#else
#define	START	start
#endif

	.text
	.globl	START
	.type	START, @function
	.balign	4
START:
	.set	noreorder
	bltzal	$zero,0f
	nop
0:	.cpload	$31
	.set	reorder
	la	$t9,Csym(_C_startup)
	j	$t9