/* Startup code for SH5 & ELF.
   Copyright (C) 1999 Free Software Foundation, Inc.
   Copyright (C) 2001 Hewlett-Packard Australia

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   see <http://www.gnu.org/licenses/>.  */

/* This is the canonical entry point, usually the first thing in the text
   segment.

	At this entry point, most registers' values are unspecified, except:

   sp		The stack contains the arguments and environment:
   		0(sp)			argc
		4(sp)			argv[0]
		...
		(4*argc)(sp)		NULL
		(4*(argc+1))(sp)	envp[0]
		...
					NULL
*/

	.file	"crt1.S"

	.globl	_start
	.type	_start,%function
	.type	main,%function

	.section .text64,"xa"
	.align 2	/* 2^2 = 4 */

_start:
	/* __uClibc_main (main, argc, argv, init, fini) */
	movi	__main, r18
	or	r2, r63, r18	

	/* Pop argc off the stack and save a pointer to argv */
	ld.l	r15, 0, r3	/* argc */
	addi	r15, 4, r4	/* argv */

	movi	_init, r5
	movi	_fini, r6

	/* call main() */
	movi	__uClibc_main, r17
	ptabs/l	r17, tr0
	blink	tr0, r18

	/* should never get here....*/
	movi	abort, r17
	ptabs/l	r17, tr0
	blink	tr0, r63	/* call abort() => (r63) do not come back ... */

/*
 *	The following is a stub to stop the GNU toolchain
 *	from calling its C-RTL initialization routines.
 */
__main:
	movi	main, r18
	ptabs/l	r18, tr0
	blink	tr0, r63

/* Define a symbol for the first piece of initialized data.  */
	.data
	.globl __data_start
__data_start:
	.long 0
	.weak data_start
	data_start = __data_start
