srt0.s revision e7cbe64f7a72dae5cb44f100db60ca88f3313c65
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ident "%Z%%M% %I% %E% SMI"
/*
* srt0.s - bootlst startup code
*/
#include <sys/asm_linkage.h>
#include <sys/machparam.h>
#define STKSIZE 0x1000
#if defined(lint)
void *estack;
caddr_t _end;
#endif
#if defined(lint)
/* ARGSUSED */
void
_start(void *a, ...)
{}
#else /* !lint */
.seg ".bss"
.align MMU_PAGESIZE
.skip STKSIZE
estack: ! top of cprboot stack
.global estack
.seg ".data"
.align 8
local_cif:
.xword 0 ! space for prom cookie
.seg ".text"
.align 8
!
! regs on entry:
! %o4 = prom cookie
!
ENTRY(_start)
set estack - STACK_BIAS, %o5
save %o5, -SA(MINFRAME), %sp
!
! clear the bss
!
set _edata, %o0
set _end, %g2
call bzero
sub %g2, %o0, %o1 ! bss size = (_end - _edata)
set local_cif, %g2
stx %i4, [%g2]
call main
mov %i4, %o0 ! SPARCV9/CIF
call prom_exit_to_mon
nop
SET_SIZE(_start)
#endif /* lint */
#if defined(lint)
/* ARGSUSED */
int
client_handler(void *cif_handler, void *arg_array)
{ return (0); }
#else
!
! 64/64 client interface for ieee1275 prom
!
ENTRY(client_handler)
mov %o7, %g1
mov %o0, %g5
mov %o1, %o0
jmp %g5
mov %g1, %o7
SET_SIZE(client_handler)
#endif /* lint */