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Add C stubs to allow prints early in the boot code.

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This commit is contained in:
dsl 2011-06-02 18:53:00 +00:00
parent 27a83e750f
commit 53bfd680f2
2 changed files with 71 additions and 2 deletions
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4
sys/arch/i386/stand/lib/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.32 2011/05/20 22:29:56 joerg Exp $
# $NetBSD: Makefile,v 1.33 2011/06/02 18:53:00 dsl Exp $
S?= ${.CURDIR}/../../../..
@ -46,7 +46,7 @@ SRCS+= pread.c menuutils.c parseutils.c
SRCS+= bootinfo.c bootinfo_biosgeom.c bootinfo_memmap.c
SRCS+= startprog.S multiboot.S
SRCS+= biosgetsystime.S cpufunc.S bootmenu.c
SRCS+= realprot.S message.S message32.S dump_eax.S pvcopy.S putstr.S
SRCS+= realprot.S message.S message32.S dump_eax.S pvcopy.S putstr.S putstr32.S
SRCS+= rasops.c vbe.c biosvbe.S
.if (${I386_INCLUDE_DISK} == "yes")
SRCS+= biosdisk.c biosdisk_ll.c bios_disk.S

69
sys/arch/i386/stand/lib/putstr32.S Normal file
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@ -0,0 +1,69 @@
/* $NetBSD: putstr32.S,v 1.1 2011/06/02 18:53:00 dsl Exp $ */
/*-
* Copyright (c) 20011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by David Laight.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
/*
* Diagnostic print routines callable from 32bit C code during early
* parts of the boot process.
*/
/*
* void putstr(const char *)
*
* display message on serial port
*/
.globl _C_LABEL(putstr32)
_C_LABEL(putstr32):
.code32
push %esi
movl 8(%esp), %esi
call message32
pop %esi
ret
/*
* void putint(int)
*
* display value on serial port as 8 hex digits followed by a space
*/
.globl _C_LABEL(putint32)
_C_LABEL(putint32):
.code32
movl 4(%esp), %eax
call dump_eax32
ret