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NetBSD/sys/arch/x68k/stand/xxboot/bootufs.c

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Another steps for ELF. - register prefix - machine/asm.h - deprecated -T option for ld(1)
2001-06-12 20:57:27 +04:00
/* $NetBSD: bootufs.c,v 1.2 2001/06/12 16:57:28 minoura Exp $ */
NetBSD/x68k boot loader. The xxboot now can boot NetBSD from 1. >1GB SCSI disks, 2. any of the top 7 partitions on disks, and 3. any SCSI interface.
1998-09-02 00:02:32 +04:00
/*-
* Copyright (c) 1993, 1994 Takumi Nakamura.
*
* 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 Takumi Nakamura.
* 4. 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.
*/
/***************************************************************
*
* file: bootufs.c
*
* author: chapuni(GBA02750@niftyserve.or.jp)
*
* <EFBFBD><EFBFBD><EFBFBD>ͤˤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: UNIX C PROGRAMMING (NUTSHELL)
* (¯<EFBFBD>˸<EFBFBD><EFBFBD><EFBFBD><EFBFBD>饤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
*
* <EFBFBD><EFBFBD><EFBFBD>줫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˾;
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD>ʤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˤ<EFBFBD><EFBFBD>Ƥߤ褦<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>ufs <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⥸<EFBFBD>塼<EFBFBD><EFBFBD><EFBFBD>ϡ<EFBFBD>/sys/lib/libsa <EFBFBD>Τ<EFBFBD><EFBFBD>Τ<EFBFBD>
* <EFBFBD>Ȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϥ<EFBFBD><EFBFBD>ʤΤǡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҤȤ⤽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><EFBFBD>褦<EFBFBD>ˤ<EFBFBD><EFBFBD>褦<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>褭<EFBFBD>ä<EFBFBD> FD DRIVER <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>夬<EFBFBD><EFBFBD><EFBFBD>ϥ<EFBFBD><EFBFBD>ʤΤǡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>᤯<EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD>褦<EFBFBD><EFBFBD>
*
*/
#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/types.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <ufs/ufs/dir.h>
#include <a.out.h>
#include <machine/bootinfo.h>
#ifdef SCSI_ADHOC_BOOTPART
#include <machine/disklabel.h>
#endif
#include "xxboot.h"
#include "../../x68k/iodevice.h"
#include "../common/execkern.h"
#ifdef GZIP
#include "gunzip/gzip.h"
#endif
/* assertion of sector size == 512 */
#if !(defined(DEV_BSHIFT) && defined(DEV_BSIZE) && defined(dbtob) \
&& DEV_BSHIFT == 9 && DEV_BSIZE == 512 && dbtob(1) == 512)
#error You must make changes to pass sector size to RAW_READ or 64bit-ise it.
#endif
#define alloca __builtin_alloca
#define memcpy __builtin_memcpy
static inline void memset __P((void *p, int v, size_t len));
#ifdef SCSI_ADHOC_BOOTPART
static int get_scsi_part __P((void));
#endif
static int get_scsi_host_adapter __P((void));
static inline int
strcmp(a, b)
const char *a;
const char *b;
{
while (*a && *a == *b)
a++, b++;
return (*a != *b);
}
static inline int
memcmp(a, b, n)
const char *a;
const char *b;
int n;
{
while (*a == *b && --n)
a++, b++;
return (*a != *b);
}
static inline void
memset(p, v, len)
void *p;
int v;
size_t len;
{
while (len--)
*(char *)p++ = v;
}
/* for debug */
#ifdef DEBUG_WITH_STDIO
extern int printf __P((const char *, ...));
#endif
#define IODEVbase ((volatile struct IODEVICE *)PHYS_IODEV)
union {
struct fs superblk; /* <20>ۥ<EFBFBD><DBA5><EFBFBD><EFBFBD><EFBFBD> */
unsigned char buf[SBSIZE]; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>碌 */
} superblk_buf;
#define sblock superblk_buf.superblk
/***************************************************************
*
* <EFBFBD>ǥ<EFBFBD><EFBFBD>쥯<EFBFBD>ȥꥨ<EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>򤿤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Хåե<EFBFBD>
*
*/
#define N_VMUNIX 24
struct {
ino_t ino; /* inode */
char name[60];
} vmunix_dirent[N_VMUNIX];
char *lowram;
/***************************************************************
*
* <EFBFBD>֥<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD><EFBFBD>Ϣ³<EFBFBD>ɤߤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߤ롣
* length = 0 <EFBFBD>ΤȤ<EFBFBD><EFBFBD>ϡ<EFBFBD>ñ<EFBFBD>˥Хåե<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ե<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD>夹<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥʤ롣
*
*/
void *s_buf;
u_int32_t s_blkpos;
size_t s_len;
int
raw_read_queue(buf, blkpos, len)
void *buf;
u_int32_t blkpos;
size_t len;
{
int r = 0;
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><CFB2>⤷<EFBFBD>ʤ<EFBFBD> */
if (s_len == 0) {
s_buf = buf;
s_blkpos = blkpos;
s_len = len;
return r;
}
/* <20><><EFBFBD>Υ<EFBFBD><CEA5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ³<CFA2><C2B3><EFBFBD>Ƥ<EFBFBD><C6A4><EFBFBD><EFBFBD>Ȥ<EFBFBD> */
if (len > 0 && s_blkpos + btodb(s_len) == blkpos) {
s_len += len;
return r;
}
/* <20><><EFBFBD><EFBFBD><EFBFBD>ޤ<EFBFBD>ί<EFBFBD>äƤ<C3A4><C6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Τ<EFBFBD><CEA4>ɤ<EFBFBD> */
r = RAW_READ(s_buf, s_blkpos, s_len);
s_buf = buf;
s_blkpos = blkpos;
s_len = len;
return r;
}
/***************************************************************
*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>֥<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɤߤ<EFBFBD><EFBFBD><EFBFBD>
*
*/
void
get_superblk()
{
RAW_READ(&superblk_buf.buf, SBLOCK, SBSIZE);
#ifdef DEBUG_WITH_STDIO
printf("fs_magic=%08lx\n", sblock.fs_magic);
printf("fs_ipg=%08lx\n", sblock.fs_ipg);
printf("fs_ncg=%08lx\n", sblock.fs_ncg);
printf("fs_bsize=%08lx\n", sblock.fs_bsize);
printf("fs_fsize=%08lx\n", sblock.fs_fsize);
printf("INOPB=%08lx\n", INOPB(&sblock));
#endif
}
/***************************************************************
*
* inode <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>äƤ<EFBFBD><EFBFBD><EFBFBD>
*
*/
int
get_inode(ino, pino)
ino_t ino;
struct dinode *pino;
{
struct dinode *buf = alloca((size_t) sblock.fs_bsize);
RAW_READ(buf,
fsbtodb(&sblock, (u_int32_t) ino_to_fsba(&sblock, ino)),
(size_t) sblock.fs_bsize);
*pino = buf[ino_to_fsbo(&sblock, ino)];
#ifdef DEBUG_WITH_STDIO
printf("%d)permission=%06ho\n", ino, pino->di_mode);
printf("%d)nlink=%4d\n", ino, pino->di_nlink);
printf("%d)uid=%4d\n", ino, pino->di_uid);
printf("%d)gid=%4d\n", ino, pino->di_gid);
printf("%d)size=%ld\n", ino, pino->di_size);
#endif
return 0;
}
/***************************************************************
*
* inode <EFBFBD>λؤ<EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֥<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>äƤ<EFBFBD><EFBFBD><EFBFBD>
*
* NutShell <EFBFBD>饤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Υѥ<EFBFBD><EFBFBD><EFBFBD>
*
* buf <EFBFBD>ˤϥǡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɤ<EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD>륢<EFBFBD>ɥ쥹<EFBFBD>򥻥åȤ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥۤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Х֥<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڤꤢ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
*/
int
read_indirect(blkno, level, buf, count)
ufs_daddr_t blkno;
int level;
void **buf;
int count;
{
ufs_daddr_t idblk[MAXBSIZE / sizeof(ufs_daddr_t)];
int i;
RAW_READ(idblk,
fsbtodb(&sblock, (u_int32_t) blkno),
(size_t) sblock.fs_bsize);
for (i = 0; i < NINDIR(&sblock) && count > 0; i++) {
if (level) {
/* <20><><EFBFBD><EFBFBD><EFBFBD>˴<EFBFBD><CBB4>ܥ֥<DCA5><D6A5>å<EFBFBD><C3A5><EFBFBD><EFBFBD>ɤޤ<C9A4><DEA4><EFBFBD> */
count = read_indirect(idblk[i], level - 1, buf, count);
} else {
/* <20>ǡ<EFBFBD><C7A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɤ<EFBFBD> */
#ifdef DEBUG_WITH_STDIO
printf("%d%4d\n", level, idblk[i]);
#endif
raw_read_queue(*buf,
fsbtodb(&sblock, (u_int32_t) idblk[i]),
(size_t) sblock.fs_bsize);
*buf += sblock.fs_bsize;
count -= sblock.fs_bsize;
}
}
return count;
}
void
read_blocks(dp, buf, count)
struct dinode *dp;
void *buf;
int count;
{
int i;
if (dp->di_size < (unsigned) count)
count = dp->di_size;
s_len = 0;
/* direct block <20><><EFBFBD>ɤ<EFBFBD> */
for (i = 0; i < NDADDR && count > 0; i++) {
#ifdef DEBUG_WITH_STDIO
printf(" %4d\n", dp->di_db[i]);
#endif
raw_read_queue(buf,
fsbtodb(&sblock, (u_int32_t) dp->di_db[i]),
(size_t) sblock.fs_bsize);
buf += sblock.fs_bsize;
count -= sblock.fs_bsize;
}
/* indirect block <20><><EFBFBD>ɤ<EFBFBD> */
for (i = 0; i < NIADDR && count > 0; i++) {
count = read_indirect(dp->di_ib[i], i, &buf, count);
}
/* <20>Хåե<C3A5><D5A5>Υե<CEA5><D5A5>å<EFBFBD><C3A5><EFBFBD> */
raw_read_queue(NULL, (u_int32_t) 0, (size_t) 0);
}
/***************************************************************
*
* <EFBFBD><EFBFBD><EFBFBD>ꤵ<EFBFBD>줿<EFBFBD>ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> inode <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
*/
ino_t
search_file(dirino, filename)
ino_t dirino; /* <20>ǥ<EFBFBD><C7A5>쥯<EFBFBD>ȥ<EFBFBD><C8A5>ΰ<EFBFBD><CEB0><EFBFBD> */
const char *filename; /* <20>ե<EFBFBD><D5A5><EFBFBD><EFBFBD><EFBFBD>̾ */
{
void *dirp;
struct dinode dinode;
struct direct *dir;
get_inode(dirino, &dinode);
dirp = alloca((size_t) (dinode.di_size + MAXBSIZE - 1) & ~((unsigned) MAXBSIZE - 1));
read_blocks(&dinode, dirp, (int) dinode.di_size);
while (dir = dirp, dir->d_ino != 0) {
if (!strcmp(dir->d_name, filename))
return dir->d_ino;
dirp += dir->d_reclen;
}
return 0;
}
/***************************************************************
*
* <EFBFBD><EFBFBD><EFBFBD>ꤵ<EFBFBD>줿<EFBFBD>ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɤ߹<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD><EFBFBD>
*
*/
unsigned
load_ino(buf, ino, filename)
void *buf;
ino_t ino;
const char *filename;
{
struct dinode dinode;
B_PRINT("loading ");
B_PRINT(filename);
B_PRINT("...");
get_inode(ino, &dinode);
read_blocks(&dinode, buf, (int) dinode.di_size);
return dinode.di_size;
}
unsigned
load_name(buf, dirino, filename)
void *buf; /* <20>ɤ߹<C9A4><DFB9><EFBFBD><EFBFBD><EFBFBD> */
ino_t dirino; /* <20><><EFBFBD><EFBFBD><EFBFBD>ǥ<EFBFBD><C7A5>쥯<EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD> inode <20>ֹ<EFBFBD> */
const char *filename; /* <20>ե<EFBFBD><D5A5><EFBFBD><EFBFBD><EFBFBD>̾ */
{
ino_t ino;
ino = search_file(dirino, filename);
return ino ? load_ino(buf, ino, filename) : 0;
}
/***************************************************************
*
* for test
*
* <EFBFBD><EFBFBD><EFBFBD>ΤȤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>vmunix <EFBFBD>ϥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܥ<EFBFBD><EFBFBD>å<EFBFBD><EFBFBD><EFBFBD><EFBFBD>󥯤ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ʤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ū<EFBFBD>ˤϤɤ<EFBFBD><EFBFBD>ˤ<EFBFBD><EFBFBD>ʤ뤫<EFBFBD>⤷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
*/
void
print_hex(x, l)
unsigned x; /* ɽ<><C9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int l; /* ɽ<><C9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
{
if (l > 0) {
print_hex(x >> 4, l - 1);
x &= 0x0F;
if (x > 9)
x += 7;
B_PUTC('0' + x);
}
}
/***************************************************************
*
* vmunix.* netbsd.* <EFBFBD>Υꥹ<EFBFBD>Ȥ<EFBFBD><EFBFBD>Ĥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ф<EFBFBD>
*
*/
void
pickup_list(dirino)
ino_t dirino;
{
void *dirp;
struct dinode dinode;
struct direct *dir;
int n = 0;
get_inode(dirino, &dinode);
dirp = alloca((size_t) (dinode.di_size + MAXBSIZE - 1) & ~((unsigned) MAXBSIZE - 1));
read_blocks(&dinode, dirp, (int) dinode.di_size);
while (dir = dirp, dir->d_ino != 0) {
if (!memcmp(dir->d_name, "vmunix", 6)
|| !memcmp(dir->d_name, "netbsd", 6)) {
vmunix_dirent[n].ino = dir->d_ino;
memcpy(vmunix_dirent[n].name, dir->d_name, 60);
if (++n >= N_VMUNIX)
return;
}
dirp += dir->d_reclen;
}
while (n < N_VMUNIX)
vmunix_dirent[n++].ino = 0;
}
/***************************************************************
*
* vmunix_dirent[] <EFBFBD>Υ쥳<EFBFBD><EFBFBD><EFBFBD>ɤ<EFBFBD>ɽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
*/
void
print_list(n, active, boothowto)
int n;
int active;
unsigned boothowto;
{
if (!vmunix_dirent[n].ino)
return;
B_LOCATE(0, 7 + n);
B_PRINT(active && (boothowto & RB_SINGLE)
? "SINGLE "
: " ");
print_hex(vmunix_dirent[n].ino, 8);
B_PRINT(" ");
if (active)
B_COLOR(0x0F);
B_PRINT(vmunix_dirent[n].name);
B_COLOR(0x03);
}
#ifdef SCSI_ADHOC_BOOTPART
/*
* get partition # from partition start position
*/
#define NPART 15
#define PARTTBL_TOP ((unsigned)4) /* pos of part inf in 512byte-blocks */
#define MAXPART 6
const unsigned char partition_conv[MAXPART + 1] = { 0, 1, 3, 4, 5, 6, 7 };
static int
get_scsi_part()
{
struct {
u_int32_t magic; /* 0x5836384B ("X68K") */
u_int32_t parttotal;
u_int32_t diskblocks;
u_int32_t diskblocks2; /* backup? */
struct dos_partition parttbl[NPART];
unsigned char formatstr[256];
unsigned char rest[512];
} partbuf;
int i;
u_int32_t part_top;
#ifdef BOOT_DEBUG
B_PRINT("seclen: ");
print_hex(SCSI_BLKLEN, 8); /* 0: 256, 1: 512, 2: 1024 */
B_PRINT(", topsec: ");
print_hex(SCSI_PARTTOP, 8); /* partition top in sector */
#endif
/*
* read partition table
*/
RAW_READ0(&partbuf, PARTTBL_TOP, sizeof partbuf);
part_top = SCSI_PARTTOP >> (2 - SCSI_BLKLEN);
for (i = 0; i < MAXPART; i++)
if ((u_int32_t) partbuf.parttbl[i].dp_start == part_top)
goto found;
BOOT_ERROR("Can't boot from this partition");
/* NOTREACHED */
found:
#ifdef BOOT_DEBUG
B_PRINT("; sd");
B_PUTC((unsigned)ID + '0'); /* SCSI ID (not NetBSD unit #) */
B_PUTC((unsigned)partition_conv[i] + 'a');
#endif
return partition_conv[i];
}
#endif /* SCSI_ADHOC_BOOTPART */
/*
* Check the type of SCSI interface
*/
static int
get_scsi_host_adapter()
{
char *bootrom;
int ha;
#ifdef BOOT_DEBUG
B_PRINT(" at ");
#endif
bootrom = (char *) (BOOT_INFO & 0x00ffffe0);
if (!memcmp(bootrom + 0x24, "SCSIIN", 6)) {
#ifdef BOOT_DEBUG
B_PRINT("spc0");
#endif
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 0;
} else if (badbaddr(&IODEVbase->io_exspc.bdid)) {
#ifdef BOOT_DEBUG
B_PRINT("mha0");
#endif
ha = (X68K_BOOT_SCSIIF_MHA << 4) | 0;
} else {
#ifdef BOOT_DEBUG
B_PRINT("spc1");
#endif
ha = (X68K_BOOT_SCSIIF_SPC << 4) | 1;
}
return ha;
}
/***************************************************************
*
* <EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>衩
*
* <EFBFBD><EFBFBD><EFBFBD>٤Ƥ<EFBFBD> IPL <EFBFBD>⥸<EFBFBD>塼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɤ߹<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥϡ<EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD>롣<EFBFBD>֥<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ž<EFBFBD><EFBFBD><EFBFBD>פ<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޤǤϡ<EFBFBD>
* x68k IOCS <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߤ<EFBFBD><EFBFBD>ޥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޤǤ<EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>פǤ<EFBFBD><EFBFBD>礦<EFBFBD><EFBFBD>
*
*/
volatile void
bootufs()
{
unsigned long boothowto;
unsigned long esym;
int i;
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x100000 <20><><EFBFBD><EFBFBD>¸<EFBFBD>ߤ<EFBFBD><DFA4>Ƥ<EFBFBD><C6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
extern struct exec header;
extern char image[];
/* <20><><EFBFBD><EFBFBD><EFBFBD>ϥ<EFBFBD><CFA5>ԡ<EFBFBD><D4A1><EFBFBD> */
struct execkern_arg execinfo;
int bootdev;
unsigned short SFT;
#ifdef BOOT_DEBUG
/* for debug; <20><>ư<EFBFBD><C6B0><EFBFBD>Υ쥸<CEA5><ECA5B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>äƤ<C3A4><C6A4><EFBFBD> */
extern unsigned startregs[16];
#endif
/* MPU <20><><EFBFBD><EFBFBD><EFBFBD>å<EFBFBD> */
#if 0
int sys_stat;
sys_stat = SYS_STAT(0);
if ((sys_stat & 255) == 0 ||
(getcpu() != 4 && !(sys_stat & (1 << 14)))) {
BOOT_ERROR("MMU <20><><EFBFBD>ʤ<EFBFBD><CAA4><EFBFBD><EFBFBD>ᡢNetBSD <20><><EFBFBD><EFBFBD>ư<EFBFBD>Ǥ<EFBFBD><C7A4>ޤ<EFBFBD><DEA4><EFBFBD><EFBFBD><EFBFBD>");
/* NOTREACHED */
}
#endif
#ifdef BOOT_DEBUG
/* for debug; <20>쥸<EFBFBD><ECA5B8><EFBFBD><EFBFBD><EFBFBD>ξ<EFBFBD><CEBE>֤<EFBFBD><D6A4>ץ<EFBFBD><D7A5><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD> */
for (i = 0; i < 16; i++) {
print_hex(startregs[i], 8);
B_PRINT((i & 7) == 7 ? "\r\n" : " ");
}
#endif
/*
* get boot device
*/
if (BINF_ISFD(&BOOT_INFO)) {
/* floppy */
bootdev = X68K_MAKEBOOTDEV(X68K_MAJOR_FD, BOOT_INFO & 3,
(FDSECMINMAX.minsec.N == 3) ? 0 : 2);
} else {
/* SCSI */
int part, ha;
#ifdef SCSI_ADHOC_BOOTPART
part = get_scsi_part();
#else
part = 0; /* sd?a only */
#endif
ha = get_scsi_host_adapter();
bootdev = X68K_MAKESCSIBOOTDEV(X68K_MAJOR_SD, ha >> 4, ha & 15,
ID & 7, 0, part);
}
#ifdef BOOT_DEBUG
B_PRINT("\r\nbootdev: ");
print_hex((unsigned) bootdev, 8);
B_PRINT("\r\nhit key\r\n");
(void) B_KEYINP(); /* wait key input */
#endif
/* boothowto <20>򥻥å<F2A5BBA5> */
boothowto = RB_AUTOBOOT;
/* <20><><EFBFBD>եȥ<D5A5><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥ<EFBFBD><C6A4><EFBFBD><EFBFBD><EFBFBD> */
SFT = B_SFTSNS();
if (SFT & 0x01)
boothowto |= RB_SINGLE;
/* vmunix <20><><EFBFBD>ɤ߹<C9A4><DFB9><EFBFBD><EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD> */
get_superblk();
if (sblock.fs_magic != FS_MAGIC) {
BOOT_ERROR("bogus super block: "
"<EFBFBD>롼<EFBFBD>ȥե<EFBFBD><EFBFBD><EFBFBD><EFBFBD>륷<EFBFBD><EFBFBD><EFBFBD>ƥब<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>");
/* NOTREACHED */
}
if (boothowto == RB_AUTOBOOT) {
esym = load_name(&header, ROOTINO, "netbsd");
#ifdef GZIP
if (!esym)
esym = load_name(&header, ROOTINO, "netbsd.gz");
#endif
SFT = B_SFTSNS();
if (SFT & 0x0001)
boothowto |= RB_SINGLE;
}
if (boothowto != RB_AUTOBOOT || !esym) {
int x = 0;
printtitle();
B_PRINT("....<2E>ɤΥ<C9A4><CEA5><EFBFBD><EFBFBD>ͥ<EFBFBD><CDA5><EFBFBD><EFBFBD>ɤ߹<C9A4><DFB9>ߤޤ<DFA4><DEA4><EFBFBD><EFBFBD><EFBFBD>\r\n"
"SHIFT <20><> RB_SINGLE <20><><EFBFBD>ȥ<EFBFBD><C8A5>뤷<EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>\r\n");
/* <20>롼<EFBFBD>ȥǥ<C8A5><C7A5>쥯<EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϥ<EFBFBD><CFA4><EFBFBD> */
pickup_list(ROOTINO);
/* ɽ<><C9BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
for (i = 0; i < N_VMUNIX; i++) {
if (!memcmp(vmunix_dirent[i].name, "netbsd", 7)) {
print_list(x, 0, boothowto);
x = i;
}
print_list(i, i == x, boothowto);
}
wait_shift_release:
while (B_SFTSNS() & 0x0001)
;
/* <20><><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>롼<EFBFBD>פ<EFBFBD><D7A4><EFBFBD> */
for (;;) {
switch ((B_KEYINP() >> 8) & 0xFF) {
case 0x3C: /* UP */
if (x > 0) {
print_list(--x, 1, boothowto);
print_list(x + 1, 0, boothowto);
}
break;
case 0x3E: /* DOWN */
if (x < N_VMUNIX - 1
&& vmunix_dirent[x + 1].ino) {
print_list(++x, 1, boothowto);
print_list(x - 1, 0, boothowto);
}
break;
case 0x70: /* SHIFT */
boothowto ^= RB_SINGLE;
print_list(x, 1, boothowto);
goto wait_shift_release;
case 0x1D: /* CR */
case 0x4E: /* ENTER */
goto exit_loop;
}
}
exit_loop:
printtitle();
esym = load_ino(&header,
vmunix_dirent[x].ino, vmunix_dirent[x].name);
}
#ifdef GZIP
load_done:
#endif
B_PRINT("done.\r\n");
#ifdef GZIP
/*
* Check if the file is gzip'ed
*/
if (check_gzip_magic((char *) &header)) {
/*
* uncompress
*/
char *ctop; /* gzip'ed top */
/*
* transfer loaded file to safe? area
*
* 0x3F0000 - SIZE_ALLOC_BUF - ?
* (stack bottom) (see inflate.c)
*/
ctop = (char *) 0x3e8000 - esym;
memcpy(ctop, &header, esym);
B_PRINT("decompressing...");
/* unzip() doesn't return on failure */
esym = unzip(ctop, (char *) &header);
goto load_done;
}
#endif
/* <20>֤Ҥ餬<D2A4>ʡפǡ<D7A4>ddb <20>򵯤<EFBFBD><F2B5AFA4><EFBFBD> */
SFT = B_SFTSNS();
if (SFT & 0x2000)
boothowto |= RB_KDB;
/* <20>إå<D8A5><C3A5>򥳥ԡ<F2A5B3A5><D4A1><EFBFBD><EFBFBD><EFBFBD> */
execinfo.image_top = image;
execinfo.load_addr = 0;
execinfo.text_size = header.a_text;
execinfo.data_size = header.a_data;
execinfo.bss_size = header.a_bss;
execinfo.symbol_size = header.a_syms;
execinfo.d5 = BOOT_INFO; /* unused for now */
execinfo.rootdev = bootdev;
execinfo.boothowto = boothowto;
execinfo.entry_addr = header.a_entry;
/* <20><><EFBFBD>Τ򥳥<CEA4><F2A5B3A5><EFBFBD> load <20><><EFBFBD><EFBFBD> */
if (N_GETMID(header) == MID_M68K
&& N_GETMAGIC(header) == NMAGIC) {
/*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶ػߤǤ<EFBFBD><EFBFBD>롣
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĥ<EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>졣
*/
Another steps for ELF. - register prefix - machine/asm.h - deprecated -T option for ld(1)
2001-06-12 20:57:27 +04:00
asm("oriw #0x0700,%sr");
NetBSD/x68k boot loader. The xxboot now can boot NetBSD from 1. >1GB SCSI disks, 2. any of the top 7 partitions on disks, and 3. any SCSI interface.
1998-09-02 00:02:32 +04:00
/* <20>¹<EFBFBD> */
exec_kernel(&execinfo);
/* NOTREACHED */
} else {
BOOT_ERROR("improper file format: <20>¹<EFBFBD><C2B9>Բ<EFBFBD>ǽ<EFBFBD>Ǥ<EFBFBD><C7A4><EFBFBD>");
/* NOTREACHED */
}
}
/* eof */