* Copyright (C) 1995, 1996 Wolfgang Solfrank.

/* $NetBSD: boot.c,v 1.27 2014/08/08 19:45:48 joerg Exp $ */

/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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 <lib/libsa/stand.h>
#include <lib/libsa/loadfile.h>
#include <lib/libkern/libkern.h>
#include <sys/boot_flag.h>
#include <sys/reboot.h>
#include <machine/bootinfo.h>
#include <machine/cpu.h>

#include "boot.h"
#include "sdvar.h"
#include "wdvar.h"

char *names[] = {
"/dev/disk/scsi/000/0_0:/netbsd",
"/dev/disk/ide/0/master/0_0:/netbsd",
"/dev/disk/floppy:netbsd", "/dev/disk/floppy:netbsd.gz",
"/dev/disk/scsi/000/0_0:/onetbsd",
"/dev/disk/ide/0/master/0_0:/onetbsd",
"/dev/disk/floppy:onetbsd", "/dev/disk/floppy:onetbsd.gz"
"in",
};
#define NUMNAMES (sizeof (names) / sizeof (names[0]))

#define NAMELEN 128
char namebuf[NAMELEN];
char nametmp[NAMELEN];

struct btinfo_memory btinfo_memory;
struct btinfo_console btinfo_console;
struct btinfo_clock btinfo_clock;
struct btinfo_rootdevice btinfo_rootdevice;

extern char bootprog_name[], bootprog_rev[];

void main(void);
void exec_kernel(char *, void *);

void
main(void)
{
int n = 0;
int addr, speed;
char *name, *cnname;
void *bootinfo;

if (whichCPU() == 1)
cpu1();
resetCPU1();

scanPCI();

/*
* console init
*/
cnname = cninit(&addr, &speed);

/*
* make bootinfo
*/
bootinfo = (void *)0x3030;

/*
* memory
*/
btinfo_memory.common.next = sizeof (btinfo_memory);
btinfo_memory.common.type = BTINFO_MEMORY;
btinfo_memory.memsize = *(int *)0x3010;

/*
* console
*/
btinfo_console.common.next = sizeof (btinfo_console);
btinfo_console.common.type = BTINFO_CONSOLE;
strcpy(btinfo_console.devname, cnname);
btinfo_console.addr = addr;
btinfo_console.speed = speed;

/*
* clock
*/
btinfo_clock.common.next = 0;
btinfo_clock.common.type = BTINFO_CLOCK;
btinfo_clock.ticks_per_sec = TICKS_PER_SEC;

runCPU1((void *)start_CPU1);
wait_for(&CPU1_alive);

printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev);
printf(">> Memory: %d k\n", btinfo_memory.memsize / 1024);

/*
* attached kernel check and copy.
*/
init_in();

printf("\n");

/* Initialize siop@pci0 dev 12 func 0 */
siop_init(0, 12, 0);

/* Initialize wdc@isa port 0x1f0 */
wdc_init(0x1f0);

for (;;) {
name = names[n++];
if (n >= NUMNAMES)
n = 0;

exec_kernel(name, bootinfo);
}
}

/*
* Exec kernel
*/
void
exec_kernel(char *name, void *bootinfo)
{
int howto = 0, i;
char c, *ptr;
u_long marks[MARK_MAX];
void *p;
#ifdef DBMONITOR
int go_monitor;

ret:
#endif /* DBMONITOR */
printf("\nBoot: ");
memset(namebuf, 0, sizeof (namebuf));
(void)tgets(namebuf);

ptr = namebuf;
#ifdef DBMONITOR
go_monitor = 0;
if (*ptr == '!') {
if (*(++ptr) == NULL) {
db_monitor();
printf("\n");
goto ret;
} else {
go_monitor++;
}
}
#endif /* DBMONITOR */
while ((c = *ptr)) {
while (c == ' ')
c = *++ptr;
if (!c)
goto next;
if (c == '-') {
while ((c = *++ptr) && c != ' ')
BOOT_FLAG(c, howto);
} else {
name = ptr;
while ((c = *++ptr) && c != ' ');
if (c)
*ptr++ = 0;
}
}

next:
printf("Loading %s\n", name);

marks[MARK_START] = 0;
if (loadfile(name, marks, LOAD_ALL) == 0) {
#ifdef DBMONITOR
if (go_monitor) {
db_monitor();
printf("\n");
}
#endif /* DBMONITOR */

p = bootinfo;

/*
* root device
*/
btinfo_rootdevice.common.next = sizeof (btinfo_rootdevice);
btinfo_rootdevice.common.type = BTINFO_ROOTDEVICE;
strncpy(btinfo_rootdevice.rootdevice, name,
sizeof (btinfo_rootdevice.rootdevice));
i = 0;
while (btinfo_rootdevice.rootdevice[i] != '\0') {
if (btinfo_rootdevice.rootdevice[i] == ':')
break;
i++;
}
if (btinfo_rootdevice.rootdevice[i] == ':') {
/* It is NOT in-kernel. */

btinfo_rootdevice.rootdevice[i] = '\0';

memcpy(p, (void *)&btinfo_rootdevice,
sizeof (btinfo_rootdevice));
p += sizeof (btinfo_rootdevice);
}

memcpy(p, (void *)&btinfo_memory, sizeof (btinfo_memory));
p += sizeof (btinfo_memory);
memcpy(p, (void *)&btinfo_console, sizeof (btinfo_console));
p += sizeof (btinfo_console);
memcpy(p, (void *)&btinfo_clock, sizeof (btinfo_clock));

printf("start=0x%lx\n\n", marks[MARK_ENTRY]);
delay(1000);
__syncicache((void *)marks[MARK_ENTRY],
(u_int)marks[MARK_SYM] - (u_int)marks[MARK_ENTRY]);

*(volatile u_long *)0x0080 = marks[MARK_ENTRY];
run((void *)marks[MARK_SYM],
(void *)marks[MARK_END],
(void *)howto,
bootinfo,
(void *)marks[MARK_ENTRY]);
}
}

void
_rtt(void)
{

/* XXXX */
__unreachable();
}