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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* Mini startup module for CFE apps File: minicrt0.S
*
* About the most minimal startup routine you can get.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
#include "sbmips.h"
/*
* This module should be linked first!
*/
#define STACK_SIZE 8192
.bss
.comm stack_bottom,STACK_SIZE
.comm __junk,4
.text
.extern appletmain
.globl __start
__start:
/*
* Set up our GP (in case we're using it)
* Set up the stack pointer (don't use CFE's stack)
*/
la gp,_gp
la sp,stack_bottom+STACK_SIZE-32
/*
* Zero BSS. No need to do this very efficiently, do it
* 32 bits at a time to ensure we can compile this
* with -mips1.
*/
la t0,_fbss
la t1,_end
1: sw zero,0(t0)
add t0,4
blt t0,t1,1b
/*
* Jump to main program. Note that we didn't trash A0..A3,
* our application will need them. So, if you add stuff here,
* be sure to preserve the A0..A3 registers for the C code.
*/
j appletmain
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