/*
 * 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 */