106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
|
/* $NetBSD: arcbios.c,v 1.1 2001/07/08 19:58:02 thorpej Exp $ */
|
||
|
|
|
||
|
|
/*-
|
||
|
|
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
||
|
|
* by Jason R. Thorpe.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by the NetBSD
|
||
|
|
* Foundation, Inc. and its contributors.
|
||
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived
|
||
|
|
* from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* 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 <sys/param.h>
|
||
|
|
|
||
|
|
#include <dev/cons.h>
|
||
|
|
|
||
|
|
#include <dev/arcbios/arcbios.h>
|
||
|
|
#include <dev/arcbios/arcbiosvar.h>
|
||
|
|
|
||
|
|
const struct arcbios_spb *ARCBIOS_SPB;
|
||
|
|
const struct arcbios_fv *ARCBIOS;
|
||
|
|
|
||
|
|
int arcbios_cngetc(dev_t);
|
||
|
|
void arcbios_cnputc(dev_t, int);
|
||
|
|
|
||
|
|
struct consdev arcbios_cn = {
|
||
|
|
NULL, NULL, arcbios_cngetc, arcbios_cnputc, nullcnpollc, NULL,
|
||
|
|
NODEV, CN_NORMAL,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* arcbios_init:
|
||
|
|
*
|
||
|
|
* Initialize the ARC BIOS.
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
arcbios_init(vaddr_t pblkva)
|
||
|
|
{
|
||
|
|
|
||
|
|
ARCBIOS_SPB = (struct arcbios_spb *) pblkva;
|
||
|
|
|
||
|
|
switch (ARCBIOS_SPB->SPBSignature) {
|
||
|
|
case ARCBIOS_SPB_SIGNATURE:
|
||
|
|
case ARCBIOS_SPB_SIGNATURE_1:
|
||
|
|
/* Okay. */
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
/* Don't know what this is. */
|
||
|
|
return (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Initialize our pointer to the firmware vector. */
|
||
|
|
ARCBIOS = ARCBIOS_SPB->FirmwareVector;
|
||
|
|
|
||
|
|
/* Initialize the bootstrap console. */
|
||
|
|
cn_tab = &arcbios_cn;
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
arcbios_cngetc(dev_t dev)
|
||
|
|
{
|
||
|
|
uint32_t count;
|
||
|
|
char c;
|
||
|
|
|
||
|
|
(*ARCBIOS->Read)(ARCBIOS_STDIN, &c, 1, &count);
|
||
|
|
return (c);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
arcbios_cnputc(dev_t dev, int c)
|
||
|
|
{
|
||
|
|
uint32_t count;
|
||
|
|
char ch = c;
|
||
|
|
|
||
|
|
(*ARCBIOS->Write)(ARCBIOS_STDOUT, &ch, 1, &count);
|
||
|
|
}
|