* Copyright (c) 2002 The NetBSD Foundation, Inc.

/* $NetBSD: boot.c,v 1.7 2016/06/11 06:34:00 dholland Exp $ */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Steve C. Woodford.
*
* 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.
*/

/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)boot.c 8.1 (Berkeley) 6/10/93
*/

#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/termios.h>
#include <sys/ttydefaults.h>
#include <machine/bootinfo.h>

#include <lib/libkern/libkern.h>

#include "stand.h"
#include "libsa.h"
#include "bugsyscalls.h"

struct bug_bootinfo bug_bootinfo;
struct mvmeppc_bootinfo bootinfo;

static u_int32_t ioctrl2cflag(u_int32_t);

void main(void);

void
main(void)
{
struct bug_buginfo *bbi;
struct bug_boardid *bid;
struct bug_ioinquiry *ioi, ioinq;
struct bug_ioctrl ioctrl;
char consname[CONSOLEDEV_LEN];
char line[80];
const char *file;
int ask = 0, howto, part;

if (bug_bootinfo.bbi_bugmode == 0)
panic("mvmeppc-boot: PReP boot mode not supported!");

bbi = &bug_bootinfo.bbi_bi.bbi;

if ((bid = bugsys_brdid()) == NULL)
panic("mvmeppc-boot: bugsys_brdid() failed!");

ioinq.ii_boardname = consname;
ioinq.ii_ioctrl = &ioctrl;
ioinq.ii_portnum = BUG_IOINQ_PORT_CONSOLE;
if ((ioi = bugsys_ioinq(&ioinq)) == NULL)
panic("mvmeppc-boot: bugsys_ioinq() failed!");

if (bid->bi_devtype > 9)
panic("mvmeppc-boot: Bogus boot device type (%d)",
bid->bi_devtype);

printf(">> MVMEPPC boot on MVME%x\n", bid->bi_bnumber);

parse_args(bbi->bbi_argstart, bbi->bbi_argend, &file, &howto, &part);

for (;;) {
if (ask) {
printf("boot: ");
kgets(line, sizeof(line));
if (strcmp(line, "halt") == 0)
break;

if (line[0]) {
char *cp = line;

while (cp < (line + sizeof(line) - 1) && *cp)
cp++;

bbi->bbi_argstart = line;
bbi->bbi_argend = cp;
parse_args(bbi->bbi_argstart, bbi->bbi_argend,
&file, &howto, &part);
}
}

bootinfo.bi_boothowto = howto;
bootinfo.bi_bootaddr = bbi->bbi_devaddr;
bootinfo.bi_bootclun = bbi->bbi_clun;
bootinfo.bi_bootclun = bbi->bbi_dlun;
strncpy(bootinfo.bi_bootline, bbi->bbi_argstart,
MIN(BOOTLINE_LEN, bbi->bbi_argend - bbi->bbi_argstart));
strncpy(bootinfo.bi_consoledev, consname, CONSOLEDEV_LEN);
bootinfo.bi_consoleaddr = ioi->ii_devaddr;
bootinfo.bi_consolechan = ioi->ii_channel;
bootinfo.bi_consolespeed = ioctrl.ic_baud;
bootinfo.bi_consolecflag = ioctrl2cflag(ioctrl.ic_ctrlbits);
bootinfo.bi_modelnumber = bid->bi_bnumber;

exec_mvme(file, howto, part);
printf("boot: %s: %s\n", file, strerror(errno));
ask = 1;
}
}

static u_int32_t
ioctrl2cflag(u_int32_t ctrlbits)
{
u_int32_t rv;

rv = TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB | PARODD);

/* Convert parity */
if (ctrlbits & IOCTRL_PARITY_ODD)
rv |= PARENB | PARODD;
else
if (ctrlbits & IOCTRL_PARITY_EVEN)
rv |= PARENB;

/* Convert character length */
if (ctrlbits & IOCTRL_BITS_8)
rv |= CS8;
else
if (ctrlbits & IOCTRL_BITS_7)
rv |= CS7;
else
if (ctrlbits & IOCTRL_BITS_6)
rv |= CS6;
else
if (ctrlbits & IOCTRL_BITS_5)
rv |= CS5;
else
panic("ioctrl2cflag: Bad character length: 0x%x", ctrlbits);

/* Convert number of stop bits */
if (ctrlbits & IOCTRL_STOP_2)
rv |= CSTOPB;
else
if ((ctrlbits & IOCTRL_STOP_1) == 0)
panic("ioctrl2cflag: Bad number of stop bits: 0x%x", ctrlbits);

return (rv);
}