Home | History | Annotate | Line # | Download | only in lib
putstr.S revision 1.1.108.1
      1  1.1.108.1  yamt /*	$NetBSD: putstr.S,v 1.1.108.1 2008/05/16 02:22:39 yamt 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  *
     19        1.1   dsl  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20        1.1   dsl  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21        1.1   dsl  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22        1.1   dsl  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23        1.1   dsl  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24        1.1   dsl  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25        1.1   dsl  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26        1.1   dsl  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27        1.1   dsl  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28        1.1   dsl  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29        1.1   dsl  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1   dsl  */
     31        1.1   dsl 
     32        1.1   dsl #include <machine/asm.h>
     33        1.1   dsl 
     34        1.1   dsl /*
     35        1.1   dsl  * Diagnostic print routines callable from 32bit C code during early
     36        1.1   dsl  * parts of the boot process.
     37        1.1   dsl  */
     38        1.1   dsl 
     39        1.1   dsl /*
     40        1.1   dsl  * void putstr(const char *)
     41        1.1   dsl  *
     42        1.1   dsl  * display message on console
     43        1.1   dsl  * bugs: message address must be less than 64k
     44        1.1   dsl  */
     45        1.1   dsl 
     46        1.1   dsl 	.globl	_C_LABEL(putstr)
     47        1.1   dsl _C_LABEL(putstr):
     48        1.1   dsl 	.code32
     49        1.1   dsl 	movl	4(%esp), %eax
     50        1.1   dsl 	pusha
     51        1.1   dsl 	movl	%eax, %esi
     52        1.1   dsl 
     53        1.1   dsl 	call	_C_LABEL(prot_to_real)
     54        1.1   dsl 	.code16
     55        1.1   dsl 
     56        1.1   dsl 	movl	%esi, %eax
     57        1.1   dsl 	call	message
     58        1.1   dsl 
     59        1.1   dsl 	calll	_C_LABEL(real_to_prot)
     60        1.1   dsl 	.code32
     61        1.1   dsl 	popa
     62        1.1   dsl 	ret
     63        1.1   dsl 
     64        1.1   dsl /*
     65        1.1   dsl  * void putint(int)
     66        1.1   dsl  *
     67        1.1   dsl  * display value on console as 8 hex digits followed by a space
     68        1.1   dsl  */
     69        1.1   dsl 
     70        1.1   dsl 	.globl	_C_LABEL(putint)
     71        1.1   dsl _C_LABEL(putint):
     72        1.1   dsl 	.code32
     73        1.1   dsl 	movl	4(%esp), %eax
     74        1.1   dsl 	pusha
     75        1.1   dsl 
     76        1.1   dsl 	call	_C_LABEL(prot_to_real)
     77        1.1   dsl 	.code16
     78        1.1   dsl 
     79        1.1   dsl 	call	dump_eax
     80        1.1   dsl 
     81        1.1   dsl 	calll	_C_LABEL(real_to_prot)
     82        1.1   dsl 	.code32
     83        1.1   dsl 	popa
     84        1.1   dsl 	ret
     85