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putstr.S revision 1.1
      1  1.1  dsl /*	$NetBSD: putstr.S,v 1.1 2003/04/16 13:24:10 dsl Exp $	*/
      2  1.1  dsl 
      3  1.1  dsl /*-
      4  1.1  dsl  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  1.1  dsl  * All rights reserved.
      6  1.1  dsl  *
      7  1.1  dsl  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  dsl  * by David Laight.
      9  1.1  dsl  *
     10  1.1  dsl  * Redistribution and use in source and binary forms, with or without
     11  1.1  dsl  * modification, are permitted provided that the following conditions
     12  1.1  dsl  * are met:
     13  1.1  dsl  * 1. Redistributions of source code must retain the above copyright
     14  1.1  dsl  *    notice, this list of conditions and the following disclaimer.
     15  1.1  dsl  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  dsl  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  dsl  *    documentation and/or other materials provided with the distribution.
     18  1.1  dsl  * 3. All advertising materials mentioning features or use of this software
     19  1.1  dsl  *    must display the following acknowledgement:
     20  1.1  dsl  *        This product includes software developed by the NetBSD
     21  1.1  dsl  *        Foundation, Inc. and its contributors.
     22  1.1  dsl  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1  dsl  *    contributors may be used to endorse or promote products derived
     24  1.1  dsl  *    from this software without specific prior written permission.
     25  1.1  dsl  *
     26  1.1  dsl  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1  dsl  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1  dsl  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1  dsl  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1  dsl  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1  dsl  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1  dsl  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1  dsl  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1  dsl  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1  dsl  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1  dsl  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1  dsl  */
     38  1.1  dsl 
     39  1.1  dsl #include <machine/asm.h>
     40  1.1  dsl 
     41  1.1  dsl /*
     42  1.1  dsl  * Diagnostic print routines callable from 32bit C code during early
     43  1.1  dsl  * parts of the boot process.
     44  1.1  dsl  */
     45  1.1  dsl 
     46  1.1  dsl /*
     47  1.1  dsl  * void putstr(const char *)
     48  1.1  dsl  *
     49  1.1  dsl  * display message on console
     50  1.1  dsl  * bugs: message address must be less than 64k
     51  1.1  dsl  */
     52  1.1  dsl 
     53  1.1  dsl 	.globl	_C_LABEL(putstr)
     54  1.1  dsl _C_LABEL(putstr):
     55  1.1  dsl 	.code32
     56  1.1  dsl 	movl	4(%esp), %eax
     57  1.1  dsl 	pusha
     58  1.1  dsl 	movl	%eax, %esi
     59  1.1  dsl 
     60  1.1  dsl 	call	_C_LABEL(prot_to_real)
     61  1.1  dsl 	.code16
     62  1.1  dsl 
     63  1.1  dsl 	movl	%esi, %eax
     64  1.1  dsl 	call	message
     65  1.1  dsl 
     66  1.1  dsl 	calll	_C_LABEL(real_to_prot)
     67  1.1  dsl 	.code32
     68  1.1  dsl 	popa
     69  1.1  dsl 	ret
     70  1.1  dsl 
     71  1.1  dsl /*
     72  1.1  dsl  * void putint(int)
     73  1.1  dsl  *
     74  1.1  dsl  * display value on console as 8 hex digits followed by a space
     75  1.1  dsl  */
     76  1.1  dsl 
     77  1.1  dsl 	.globl	_C_LABEL(putint)
     78  1.1  dsl _C_LABEL(putint):
     79  1.1  dsl 	.code32
     80  1.1  dsl 	movl	4(%esp), %eax
     81  1.1  dsl 	pusha
     82  1.1  dsl 
     83  1.1  dsl 	call	_C_LABEL(prot_to_real)
     84  1.1  dsl 	.code16
     85  1.1  dsl 
     86  1.1  dsl 	call	dump_eax
     87  1.1  dsl 
     88  1.1  dsl 	calll	_C_LABEL(real_to_prot)
     89  1.1  dsl 	.code32
     90  1.1  dsl 	popa
     91  1.1  dsl 	ret
     92