2003-08-25 23:28:32 +00:00
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/*-
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1998-10-12 21:16:26 +00:00
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* Copyright (c) 1998 Robert Nordier
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are freely
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* permitted provided that the above copyright notice and this
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* paragraph and the following disclaimer are duplicated in all
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* such forms.
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*
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* This software is provided "AS IS" and without any express or
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* implied warranties, including, without limitation, the implied
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* warranties of merchantability and fitness for a particular
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* purpose.
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*/
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2003-08-25 23:28:32 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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1998-10-12 21:16:26 +00:00
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#include <sys/param.h>
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#include <sys/disklabel.h>
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2002-10-01 07:24:55 +00:00
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#include <sys/diskmbr.h>
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1998-10-12 21:16:26 +00:00
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#include <sys/dirent.h>
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2003-11-11 06:27:34 +00:00
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#include <sys/reboot.h>
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1998-10-12 21:16:26 +00:00
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#include <machine/bootinfo.h>
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2001-05-02 23:56:21 +00:00
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#include <machine/elf.h>
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2008-08-08 19:41:20 +00:00
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#include <machine/psl.h>
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1998-10-12 21:16:26 +00:00
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#include <stdarg.h>
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#include <a.out.h>
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#include <btxv86.h>
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2001-07-31 19:50:09 +00:00
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#include "boot2.h"
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1998-10-15 20:04:21 +00:00
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#include "lib.h"
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2002-04-11 09:21:10 +00:00
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#define IO_KEYBOARD 1
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#define IO_SERIAL 2
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#define SECOND 18 /* Circa that many ticks in a second. */
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1998-10-12 21:16:26 +00:00
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#define RBX_ASKNAME 0x0 /* -a */
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#define RBX_SINGLE 0x1 /* -s */
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2003-11-15 10:04:06 +00:00
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/* 0x2 is reserved for log2(RB_NOSYNC). */
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/* 0x3 is reserved for log2(RB_HALT). */
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/* 0x4 is reserved for log2(RB_INITNAME). */
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1998-10-12 21:16:26 +00:00
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#define RBX_DFLTROOT 0x5 /* -r */
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#define RBX_KDB 0x6 /* -d */
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2003-11-15 10:04:06 +00:00
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/* 0x7 is reserved for log2(RB_RDONLY). */
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/* 0x8 is reserved for log2(RB_DUMP). */
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/* 0x9 is reserved for log2(RB_MINIROOT). */
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1998-10-12 21:16:26 +00:00
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#define RBX_CONFIG 0xa /* -c */
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#define RBX_VERBOSE 0xb /* -v */
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1998-10-15 20:04:21 +00:00
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#define RBX_SERIAL 0xc /* -h */
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1998-10-12 21:16:26 +00:00
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#define RBX_CDROM 0xd /* -C */
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2003-11-15 10:04:06 +00:00
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/* 0xe is reserved for log2(RB_POWEROFF). */
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1998-10-12 21:16:26 +00:00
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#define RBX_GDB 0xf /* -g */
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2002-03-13 11:03:36 +00:00
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#define RBX_MUTE 0x10 /* -m */
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2003-11-15 10:04:06 +00:00
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/* 0x11 is reserved for log2(RB_SELFTEST). */
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/* 0x12 is reserved for boot programs. */
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/* 0x13 is reserved for boot programs. */
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#define RBX_PAUSE 0x14 /* -p */
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2005-10-16 20:22:36 +00:00
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#define RBX_QUIET 0x15 /* -q */
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2005-10-16 19:49:44 +00:00
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#define RBX_NOINTR 0x1c /* -n */
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2003-11-15 10:04:06 +00:00
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/* 0x1d is reserved for log2(RB_MULTIPLE) and is just misnamed here. */
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1998-10-15 20:04:21 +00:00
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#define RBX_DUAL 0x1d /* -D */
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2003-11-15 10:04:06 +00:00
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/* 0x1f is reserved for log2(RB_BOOTINFO). */
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1998-10-15 20:04:21 +00:00
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2003-01-13 21:28:24 +00:00
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/* pass: -a, -s, -r, -d, -c, -v, -h, -C, -g, -m, -p, -D */
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2005-11-03 07:35:36 +00:00
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#define RBX_MASK (OPT_SET(RBX_ASKNAME) | OPT_SET(RBX_SINGLE) | \
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OPT_SET(RBX_DFLTROOT) | OPT_SET(RBX_KDB ) | \
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OPT_SET(RBX_CONFIG) | OPT_SET(RBX_VERBOSE) | \
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OPT_SET(RBX_SERIAL) | OPT_SET(RBX_CDROM) | \
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OPT_SET(RBX_GDB ) | OPT_SET(RBX_MUTE) | \
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OPT_SET(RBX_PAUSE) | OPT_SET(RBX_DUAL))
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1998-10-12 21:16:26 +00:00
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#define PATH_CONFIG "/boot.config"
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#define PATH_BOOT3 "/boot/loader"
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2005-08-06 00:33:42 +00:00
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#define PATH_KERNEL "/boot/kernel/kernel"
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1998-10-12 21:16:26 +00:00
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1999-01-10 13:29:52 +00:00
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#define ARGS 0x900
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2006-10-26 19:41:02 +00:00
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#define NOPT 14
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2002-12-17 21:10:34 +00:00
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#define NDEV 3
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1998-10-12 21:16:26 +00:00
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#define MEM_BASE 0x12
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#define MEM_EXT 0x15
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2008-08-08 19:41:20 +00:00
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#define V86_CY(x) ((x) & PSL_C)
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#define V86_ZR(x) ((x) & PSL_Z)
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1998-10-12 21:16:26 +00:00
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1998-10-13 17:41:06 +00:00
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#define DRV_HARD 0x80
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#define DRV_MASK 0x7f
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2000-02-09 19:23:46 +00:00
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#define TYPE_AD 0
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2002-12-17 21:10:34 +00:00
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#define TYPE_DA 1
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2002-06-21 06:18:05 +00:00
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#define TYPE_MAXHARD TYPE_DA
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2002-12-17 21:10:34 +00:00
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#define TYPE_FD 2
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1998-10-13 17:41:06 +00:00
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2005-11-03 07:35:36 +00:00
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#define OPT_SET(opt) (1 << (opt))
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#define OPT_CHECK(opt) ((opts) & OPT_SET(opt))
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2005-10-16 20:22:36 +00:00
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1998-10-12 21:16:26 +00:00
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extern uint32_t _end;
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2006-10-26 19:41:02 +00:00
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static const char optstr[NOPT] = "DhaCcdgmnpqrsv"; /* Also 'P', 'S' */
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1998-10-12 21:16:26 +00:00
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static const unsigned char flags[NOPT] = {
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1998-10-15 20:04:21 +00:00
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RBX_DUAL,
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RBX_SERIAL,
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1998-10-12 21:16:26 +00:00
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RBX_ASKNAME,
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RBX_CDROM,
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2006-10-26 19:41:02 +00:00
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RBX_CONFIG,
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RBX_KDB,
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1998-10-12 21:16:26 +00:00
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RBX_GDB,
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2002-03-13 11:03:36 +00:00
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RBX_MUTE,
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2002-03-23 19:40:27 +00:00
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RBX_NOINTR,
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2002-03-13 11:03:36 +00:00
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RBX_PAUSE,
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2005-10-16 20:22:36 +00:00
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RBX_QUIET,
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1998-10-12 21:16:26 +00:00
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RBX_DFLTROOT,
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RBX_SINGLE,
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RBX_VERBOSE
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};
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2002-12-17 21:10:34 +00:00
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static const char *const dev_nm[NDEV] = {"ad", "da", "fd"};
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static const unsigned char dev_maj[NDEV] = {30, 4, 2};
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1998-10-12 21:16:26 +00:00
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static struct dsk {
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unsigned drive;
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unsigned type;
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unsigned unit;
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unsigned slice;
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unsigned part;
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1998-10-13 17:41:06 +00:00
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unsigned start;
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int init;
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1998-10-12 21:16:26 +00:00
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} dsk;
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2008-02-28 17:08:05 +00:00
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static char cmd[512], cmddup[512];
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1999-11-14 22:17:06 +00:00
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static char kname[1024];
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2011-02-21 19:46:02 +00:00
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static uint32_t opts;
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2005-08-18 00:42:45 +00:00
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static int comspeed = SIOSPD;
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1998-10-12 21:16:26 +00:00
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static struct bootinfo bootinfo;
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2002-04-11 09:21:10 +00:00
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static uint8_t ioctrl = IO_KEYBOARD;
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1998-10-12 21:16:26 +00:00
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void exit(int);
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2002-12-17 21:10:34 +00:00
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static void load(void);
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static int parse(void);
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1998-10-13 23:00:47 +00:00
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static int xfsread(ino_t, void *, size_t);
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1998-10-12 21:16:26 +00:00
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static int dskread(void *, unsigned, unsigned);
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2002-10-08 15:48:43 +00:00
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static void printf(const char *,...);
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static void putchar(int);
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2002-12-17 21:10:34 +00:00
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static uint32_t memsize(void);
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1998-10-12 21:16:26 +00:00
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static int drvread(void *, unsigned, unsigned);
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static int keyhit(unsigned);
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1998-10-15 20:04:21 +00:00
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static int xputc(int);
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static int xgetc(int);
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static int getc(int);
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1998-10-12 21:16:26 +00:00
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2004-07-30 00:33:09 +00:00
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static void memcpy(void *, const void *, int);
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2004-03-12 21:45:33 +00:00
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static void
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2004-07-30 00:33:09 +00:00
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memcpy(void *dst, const void *src, int len)
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2004-03-12 21:45:33 +00:00
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{
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2004-07-30 00:33:09 +00:00
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const char *s = src;
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char *d = dst;
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2004-03-12 21:45:33 +00:00
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while (len--)
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2004-07-30 00:33:09 +00:00
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*d++ = *s++;
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2004-03-12 21:45:33 +00:00
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}
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2000-07-06 01:51:27 +00:00
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static inline int
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strcmp(const char *s1, const char *s2)
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{
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for (; *s1 == *s2 && *s1; s1++, s2++);
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2002-12-20 05:49:40 +00:00
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return (unsigned char)*s1 - (unsigned char)*s2;
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2000-07-06 01:51:27 +00:00
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}
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2007-10-26 21:02:31 +00:00
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#define UFS_SMALL_CGBASE
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2002-06-05 11:10:38 +00:00
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#include "ufsread.c"
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2000-07-06 01:51:27 +00:00
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2005-10-16 20:22:36 +00:00
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static inline int
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2002-06-21 06:18:05 +00:00
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xfsread(ino_t inode, void *buf, size_t nbyte)
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2000-07-06 01:51:27 +00:00
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{
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2002-12-15 02:15:19 +00:00
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if ((size_t)fsread(inode, buf, nbyte) != nbyte) {
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2002-06-21 06:18:05 +00:00
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printf("Invalid %s\n", "format");
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return -1;
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}
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return 0;
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2000-07-06 01:51:27 +00:00
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}
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2002-12-17 21:10:34 +00:00
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static inline uint32_t
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memsize(void)
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{
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v86.addr = MEM_EXT;
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v86.eax = 0x8800;
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v86int();
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return v86.eax;
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}
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2000-07-06 01:51:27 +00:00
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static inline void
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2002-12-17 21:10:34 +00:00
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getstr(void)
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2000-07-06 01:51:27 +00:00
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{
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char *s;
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int c;
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2002-12-17 21:10:34 +00:00
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s = cmd;
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2002-06-21 06:18:05 +00:00
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for (;;) {
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switch (c = xgetc(0)) {
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2000-07-06 01:51:27 +00:00
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case 0:
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2002-12-17 22:00:06 +00:00
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break;
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2000-07-06 01:51:27 +00:00
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case '\177':
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2002-06-21 06:18:05 +00:00
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case '\b':
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2002-12-17 21:10:34 +00:00
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if (s > cmd) {
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2000-07-06 01:51:27 +00:00
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s--;
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2002-12-17 21:10:34 +00:00
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printf("\b \b");
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}
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2002-12-17 22:00:06 +00:00
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break;
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2000-07-06 01:51:27 +00:00
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case '\n':
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2002-06-21 06:18:05 +00:00
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case '\r':
|
2000-07-06 01:51:27 +00:00
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*s = 0;
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2002-06-21 06:18:05 +00:00
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return;
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2000-07-06 01:51:27 +00:00
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default:
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2002-12-17 21:10:34 +00:00
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if (s - cmd < sizeof(cmd) - 1)
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2000-07-06 01:51:27 +00:00
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*s++ = c;
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2002-12-17 22:00:06 +00:00
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putchar(c);
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2000-07-06 01:51:27 +00:00
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}
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2002-06-21 06:18:05 +00:00
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}
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2000-07-06 01:51:27 +00:00
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}
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static inline void
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putc(int c)
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{
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v86.addr = 0x10;
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v86.eax = 0xe00 | (c & 0xff);
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v86.ebx = 0x7;
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v86int();
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}
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1998-10-12 21:16:26 +00:00
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int
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main(void)
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{
|
2011-02-15 20:18:52 +00:00
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uint8_t autoboot;
|
2002-06-21 06:18:05 +00:00
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ino_t ino;
|
1998-10-12 21:16:26 +00:00
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2002-10-08 10:15:42 +00:00
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dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base);
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1998-10-13 23:00:47 +00:00
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v86.ctl = V86_FLAGS;
|
2008-08-08 19:41:20 +00:00
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v86.efl = PSL_RESERVED_DEFAULT | PSL_I;
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1998-10-12 21:16:26 +00:00
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dsk.drive = *(uint8_t *)PTOV(ARGS);
|
2000-02-09 19:23:46 +00:00
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dsk.type = dsk.drive & DRV_HARD ? TYPE_AD : TYPE_FD;
|
1998-10-13 17:41:06 +00:00
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dsk.unit = dsk.drive & DRV_MASK;
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1998-10-12 21:16:26 +00:00
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dsk.slice = *(uint8_t *)PTOV(ARGS + 1) + 1;
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bootinfo.bi_version = BOOTINFO_VERSION;
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bootinfo.bi_size = sizeof(bootinfo);
|
2002-10-01 19:31:09 +00:00
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bootinfo.bi_basemem = 0; /* XXX will be filled by loader or kernel */
|
2002-12-17 21:10:34 +00:00
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bootinfo.bi_extmem = memsize();
|
1998-10-12 21:16:26 +00:00
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bootinfo.bi_memsizes_valid++;
|
2002-04-11 09:21:10 +00:00
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/* Process configuration file */
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autoboot = 1;
|
2002-06-21 06:18:05 +00:00
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if ((ino = lookup(PATH_CONFIG)))
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fsread(ino, cmd, sizeof(cmd));
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|
1998-10-17 09:16:01 +00:00
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|
if (*cmd) {
|
2008-02-28 17:08:05 +00:00
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|
memcpy(cmddup, cmd, sizeof(cmd));
|
2002-12-17 21:10:34 +00:00
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|
if (parse())
|
1998-10-17 09:16:01 +00:00
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|
autoboot = 0;
|
2005-10-16 20:22:36 +00:00
|
|
|
if (!OPT_CHECK(RBX_QUIET))
|
2008-02-28 17:08:05 +00:00
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|
printf("%s: %s", PATH_CONFIG, cmddup);
|
2002-04-11 09:21:10 +00:00
|
|
|
/* Do not process this command twice */
|
1998-11-08 18:37:28 +00:00
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|
*cmd = 0;
|
1998-10-17 09:16:01 +00:00
|
|
|
}
|
2002-04-11 09:21:10 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Try to exec stage 3 boot loader. If interrupted by a keypress,
|
|
|
|
* or in case of failure, try to load a kernel directly instead.
|
|
|
|
*/
|
|
|
|
|
1998-10-17 09:16:01 +00:00
|
|
|
if (autoboot && !*kname) {
|
2002-04-11 09:21:10 +00:00
|
|
|
memcpy(kname, PATH_BOOT3, sizeof(PATH_BOOT3));
|
|
|
|
if (!keyhit(3*SECOND)) {
|
2002-12-17 21:10:34 +00:00
|
|
|
load();
|
1998-10-12 21:16:26 +00:00
|
|
|
memcpy(kname, PATH_KERNEL, sizeof(PATH_KERNEL));
|
2002-04-11 09:21:10 +00:00
|
|
|
}
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
2002-04-11 09:21:10 +00:00
|
|
|
|
|
|
|
/* Present the user with the boot2 prompt. */
|
|
|
|
|
1998-10-12 21:16:26 +00:00
|
|
|
for (;;) {
|
2005-10-16 20:22:36 +00:00
|
|
|
if (!autoboot || !OPT_CHECK(RBX_QUIET))
|
2010-03-26 01:30:53 +00:00
|
|
|
printf("\nFreeBSD/x86 boot\n"
|
2005-10-16 20:22:36 +00:00
|
|
|
"Default: %u:%s(%u,%c)%s\n"
|
|
|
|
"boot: ",
|
|
|
|
dsk.drive & DRV_MASK, dev_nm[dsk.type], dsk.unit,
|
|
|
|
'a' + dsk.part, kname);
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_SERIAL)
|
1998-10-15 20:04:21 +00:00
|
|
|
sio_flush();
|
2002-04-11 09:21:10 +00:00
|
|
|
if (!autoboot || keyhit(5*SECOND))
|
2002-12-17 21:10:34 +00:00
|
|
|
getstr();
|
2005-10-16 20:22:36 +00:00
|
|
|
else if (!autoboot || !OPT_CHECK(RBX_QUIET))
|
1998-10-17 09:50:09 +00:00
|
|
|
putchar('\n');
|
1999-01-11 11:36:03 +00:00
|
|
|
autoboot = 0;
|
2002-12-17 21:10:34 +00:00
|
|
|
if (parse())
|
2002-12-15 02:15:19 +00:00
|
|
|
putchar('\a');
|
1998-10-12 21:16:26 +00:00
|
|
|
else
|
2002-12-17 21:10:34 +00:00
|
|
|
load();
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2000-07-06 01:51:27 +00:00
|
|
|
/* XXX - Needed for btxld to link the boot2 binary; do not remove. */
|
1998-10-12 21:16:26 +00:00
|
|
|
void
|
|
|
|
exit(int x)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-12-17 21:10:34 +00:00
|
|
|
load(void)
|
1998-10-12 21:16:26 +00:00
|
|
|
{
|
2005-10-16 19:49:44 +00:00
|
|
|
union {
|
1998-10-12 21:16:26 +00:00
|
|
|
struct exec ex;
|
|
|
|
Elf32_Ehdr eh;
|
|
|
|
} hdr;
|
2005-10-16 20:22:36 +00:00
|
|
|
static Elf32_Phdr ep[2];
|
|
|
|
static Elf32_Shdr es[2];
|
1998-10-12 21:16:26 +00:00
|
|
|
caddr_t p;
|
|
|
|
ino_t ino;
|
|
|
|
uint32_t addr, x;
|
2011-02-15 20:18:52 +00:00
|
|
|
int i, j;
|
|
|
|
uint8_t fmt;
|
1998-10-12 21:16:26 +00:00
|
|
|
|
2002-12-17 21:10:34 +00:00
|
|
|
if (!(ino = lookup(kname))) {
|
1999-11-14 22:17:06 +00:00
|
|
|
if (!ls)
|
2002-12-17 21:10:34 +00:00
|
|
|
printf("No %s\n", kname);
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
}
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, &hdr, sizeof(hdr)))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
if (N_GETMAGIC(hdr.ex) == ZMAGIC)
|
|
|
|
fmt = 0;
|
|
|
|
else if (IS_ELF(hdr.eh))
|
|
|
|
fmt = 1;
|
|
|
|
else {
|
|
|
|
printf("Invalid %s\n", "format");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (fmt == 0) {
|
2006-11-02 17:28:38 +00:00
|
|
|
addr = hdr.ex.a_entry & 0xffffff;
|
1998-10-12 21:16:26 +00:00
|
|
|
p = PTOV(addr);
|
|
|
|
fs_off = PAGE_SIZE;
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, p, hdr.ex.a_text))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
p += roundup2(hdr.ex.a_text, PAGE_SIZE);
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, p, hdr.ex.a_data))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
} else {
|
|
|
|
fs_off = hdr.eh.e_phoff;
|
1999-06-19 20:50:38 +00:00
|
|
|
for (j = i = 0; i < hdr.eh.e_phnum && j < 2; i++) {
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, ep + j, sizeof(ep[0])))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
if (ep[j].p_type == PT_LOAD)
|
|
|
|
j++;
|
|
|
|
}
|
|
|
|
for (i = 0; i < 2; i++) {
|
2006-11-02 17:28:38 +00:00
|
|
|
p = PTOV(ep[i].p_paddr & 0xffffff);
|
1998-10-12 21:16:26 +00:00
|
|
|
fs_off = ep[i].p_offset;
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, p, ep[i].p_filesz))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
p += roundup2(ep[1].p_memsz, PAGE_SIZE);
|
|
|
|
bootinfo.bi_symtab = VTOP(p);
|
|
|
|
if (hdr.eh.e_shnum == hdr.eh.e_shstrndx + 3) {
|
|
|
|
fs_off = hdr.eh.e_shoff + sizeof(es[0]) *
|
|
|
|
(hdr.eh.e_shstrndx + 1);
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, &es, sizeof(es)))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
for (i = 0; i < 2; i++) {
|
2010-10-22 18:07:21 +00:00
|
|
|
*(Elf32_Word *)p = es[i].sh_size;
|
1998-10-12 21:16:26 +00:00
|
|
|
p += sizeof(es[i].sh_size);
|
|
|
|
fs_off = es[i].sh_offset;
|
1998-10-13 23:00:47 +00:00
|
|
|
if (xfsread(ino, p, es[i].sh_size))
|
1998-10-12 21:16:26 +00:00
|
|
|
return;
|
|
|
|
p += es[i].sh_size;
|
|
|
|
}
|
|
|
|
}
|
2006-11-02 17:28:38 +00:00
|
|
|
addr = hdr.eh.e_entry & 0xffffff;
|
2011-02-16 18:05:10 +00:00
|
|
|
bootinfo.bi_esymtab = VTOP(p);
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
2002-12-17 21:10:34 +00:00
|
|
|
bootinfo.bi_kernelname = VTOP(kname);
|
1999-01-24 00:10:10 +00:00
|
|
|
bootinfo.bi_bios_dev = dsk.drive;
|
2005-10-16 19:49:44 +00:00
|
|
|
__exec((caddr_t)addr, RB_BOOTINFO | (opts & RBX_MASK),
|
2007-10-24 04:03:25 +00:00
|
|
|
MAKEBOOTDEV(dev_maj[dsk.type], dsk.slice, dsk.unit, dsk.part),
|
1998-10-13 17:41:06 +00:00
|
|
|
0, 0, 0, VTOP(&bootinfo));
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2002-12-17 21:10:34 +00:00
|
|
|
parse()
|
1998-10-12 21:16:26 +00:00
|
|
|
{
|
2002-12-17 21:10:34 +00:00
|
|
|
char *arg = cmd;
|
2005-08-18 00:42:45 +00:00
|
|
|
char *ep, *p, *q;
|
|
|
|
const char *cp;
|
2002-12-17 21:10:34 +00:00
|
|
|
unsigned int drv;
|
2005-08-18 00:42:45 +00:00
|
|
|
int c, i, j;
|
1998-10-12 21:16:26 +00:00
|
|
|
|
|
|
|
while ((c = *arg++)) {
|
2000-06-13 13:07:53 +00:00
|
|
|
if (c == ' ' || c == '\t' || c == '\n')
|
1998-10-12 21:16:26 +00:00
|
|
|
continue;
|
2000-06-13 13:07:53 +00:00
|
|
|
for (p = arg; *p && *p != '\n' && *p != ' ' && *p != '\t'; p++);
|
2005-08-18 00:42:45 +00:00
|
|
|
ep = p;
|
1998-10-12 21:16:26 +00:00
|
|
|
if (*p)
|
|
|
|
*p++ = 0;
|
1998-10-15 20:04:21 +00:00
|
|
|
if (c == '-') {
|
1998-10-12 21:16:26 +00:00
|
|
|
while ((c = *arg++)) {
|
2005-08-18 00:42:45 +00:00
|
|
|
if (c == 'P') {
|
|
|
|
if (*(uint8_t *)PTOV(0x496) & 0x10) {
|
|
|
|
cp = "yes";
|
|
|
|
} else {
|
2005-11-03 07:35:36 +00:00
|
|
|
opts |= OPT_SET(RBX_DUAL) | OPT_SET(RBX_SERIAL);
|
2005-08-18 00:42:45 +00:00
|
|
|
cp = "no";
|
|
|
|
}
|
|
|
|
printf("Keyboard: %s\n", cp);
|
|
|
|
continue;
|
|
|
|
} else if (c == 'S') {
|
|
|
|
j = 0;
|
|
|
|
while ((unsigned int)(i = *arg++ - '0') <= 9)
|
|
|
|
j = j * 10 + i;
|
|
|
|
if (j > 0 && i == -'0') {
|
|
|
|
comspeed = j;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/* Fall through to error below ('S' not in optstr[]). */
|
|
|
|
}
|
1998-10-12 21:16:26 +00:00
|
|
|
for (i = 0; c != optstr[i]; i++)
|
|
|
|
if (i == NOPT - 1)
|
|
|
|
return -1;
|
2005-11-03 07:35:36 +00:00
|
|
|
opts ^= OPT_SET(flags[i]);
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
2005-11-03 07:35:36 +00:00
|
|
|
ioctrl = OPT_CHECK(RBX_DUAL) ? (IO_SERIAL|IO_KEYBOARD) :
|
|
|
|
OPT_CHECK(RBX_SERIAL) ? IO_SERIAL : IO_KEYBOARD;
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_SERIAL)
|
2005-08-18 00:42:45 +00:00
|
|
|
sio_init(115200 / comspeed);
|
1998-10-15 20:04:21 +00:00
|
|
|
} else {
|
1998-10-12 21:16:26 +00:00
|
|
|
for (q = arg--; *q && *q != '('; q++);
|
|
|
|
if (*q) {
|
|
|
|
drv = -1;
|
|
|
|
if (arg[1] == ':') {
|
|
|
|
drv = *arg - '0';
|
2002-12-17 21:10:34 +00:00
|
|
|
if (drv > 9)
|
|
|
|
return (-1);
|
1998-10-12 21:16:26 +00:00
|
|
|
arg += 2;
|
|
|
|
}
|
|
|
|
if (q - arg != 2)
|
|
|
|
return -1;
|
|
|
|
for (i = 0; arg[0] != dev_nm[i][0] ||
|
1998-10-13 21:35:42 +00:00
|
|
|
arg[1] != dev_nm[i][1]; i++)
|
1998-10-12 21:16:26 +00:00
|
|
|
if (i == NDEV - 1)
|
|
|
|
return -1;
|
|
|
|
dsk.type = i;
|
|
|
|
arg += 3;
|
|
|
|
dsk.unit = *arg - '0';
|
2002-12-17 21:10:34 +00:00
|
|
|
if (arg[1] != ',' || dsk.unit > 9)
|
|
|
|
return -1;
|
1998-10-12 21:16:26 +00:00
|
|
|
arg += 2;
|
1998-10-13 21:35:42 +00:00
|
|
|
dsk.slice = WHOLE_DISK_SLICE;
|
1998-10-12 21:16:26 +00:00
|
|
|
if (arg[1] == ',') {
|
2002-12-17 21:10:34 +00:00
|
|
|
dsk.slice = *arg - '0' + 1;
|
2008-07-01 11:18:51 +00:00
|
|
|
if (dsk.slice > NDOSPART + 1)
|
1998-10-12 21:16:26 +00:00
|
|
|
return -1;
|
|
|
|
arg += 2;
|
|
|
|
}
|
2002-12-17 21:10:34 +00:00
|
|
|
if (arg[1] != ')')
|
1998-10-12 21:16:26 +00:00
|
|
|
return -1;
|
|
|
|
dsk.part = *arg - 'a';
|
2002-12-17 21:10:34 +00:00
|
|
|
if (dsk.part > 7)
|
|
|
|
return (-1);
|
1998-10-12 21:16:26 +00:00
|
|
|
arg += 2;
|
|
|
|
if (drv == -1)
|
1998-10-13 17:41:06 +00:00
|
|
|
drv = dsk.unit;
|
2002-06-21 06:18:05 +00:00
|
|
|
dsk.drive = (dsk.type <= TYPE_MAXHARD
|
|
|
|
? DRV_HARD : 0) + drv;
|
2002-06-05 11:10:38 +00:00
|
|
|
dsk_meta = 0;
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
2005-08-18 00:42:45 +00:00
|
|
|
if ((i = ep - arg)) {
|
2002-12-15 02:15:19 +00:00
|
|
|
if ((size_t)i >= sizeof(kname))
|
1998-10-12 21:16:26 +00:00
|
|
|
return -1;
|
|
|
|
memcpy(kname, arg, i + 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
arg = p;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
dskread(void *buf, unsigned lba, unsigned nblk)
|
|
|
|
{
|
|
|
|
struct dos_partition *dp;
|
|
|
|
struct disklabel *d;
|
2002-01-17 22:39:19 +00:00
|
|
|
char *sec;
|
1998-10-12 21:16:26 +00:00
|
|
|
unsigned sl, i;
|
|
|
|
|
2002-06-05 11:10:38 +00:00
|
|
|
if (!dsk_meta) {
|
2002-01-17 22:39:19 +00:00
|
|
|
sec = dmadat->secbuf;
|
1998-10-13 17:41:06 +00:00
|
|
|
dsk.start = 0;
|
1998-10-13 21:35:42 +00:00
|
|
|
if (drvread(sec, DOSBBSECTOR, 1))
|
|
|
|
return -1;
|
|
|
|
dp = (void *)(sec + DOSPARTOFF);
|
1998-10-12 21:16:26 +00:00
|
|
|
sl = dsk.slice;
|
1998-10-13 21:35:42 +00:00
|
|
|
if (sl < BASE_SLICE) {
|
|
|
|
for (i = 0; i < NDOSPART; i++)
|
|
|
|
if (dp[i].dp_typ == DOSPTYP_386BSD &&
|
|
|
|
(dp[i].dp_flag & 0x80 || sl < BASE_SLICE)) {
|
|
|
|
sl = BASE_SLICE + i;
|
|
|
|
if (dp[i].dp_flag & 0x80 ||
|
|
|
|
dsk.slice == COMPATIBILITY_SLICE)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (dsk.slice == WHOLE_DISK_SLICE)
|
|
|
|
dsk.slice = sl;
|
|
|
|
}
|
1998-10-12 21:16:26 +00:00
|
|
|
if (sl != WHOLE_DISK_SLICE) {
|
|
|
|
if (sl != COMPATIBILITY_SLICE)
|
|
|
|
dp += sl - BASE_SLICE;
|
|
|
|
if (dp->dp_typ != DOSPTYP_386BSD) {
|
|
|
|
printf("Invalid %s\n", "slice");
|
|
|
|
return -1;
|
|
|
|
}
|
1998-10-13 17:41:06 +00:00
|
|
|
dsk.start = dp->dp_start;
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
1998-10-13 21:35:42 +00:00
|
|
|
if (drvread(sec, dsk.start + LABELSECTOR, 1))
|
1998-10-12 21:16:26 +00:00
|
|
|
return -1;
|
1998-10-13 17:41:06 +00:00
|
|
|
d = (void *)(sec + LABELOFFSET);
|
|
|
|
if (d->d_magic != DISKMAGIC || d->d_magic2 != DISKMAGIC) {
|
|
|
|
if (dsk.part != RAW_PART) {
|
1998-10-13 21:35:42 +00:00
|
|
|
printf("Invalid %s\n", "label");
|
|
|
|
return -1;
|
1998-10-13 17:41:06 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (!dsk.init) {
|
1998-10-13 21:35:42 +00:00
|
|
|
if (d->d_type == DTYPE_SCSI)
|
2000-02-09 19:23:46 +00:00
|
|
|
dsk.type = TYPE_DA;
|
1998-10-13 17:41:06 +00:00
|
|
|
dsk.init++;
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
1999-01-29 03:36:42 +00:00
|
|
|
if (dsk.part >= d->d_npartitions ||
|
|
|
|
!d->d_partitions[dsk.part].p_size) {
|
1998-10-12 21:16:26 +00:00
|
|
|
printf("Invalid %s\n", "partition");
|
|
|
|
return -1;
|
|
|
|
}
|
2002-10-07 13:11:28 +00:00
|
|
|
dsk.start += d->d_partitions[dsk.part].p_offset;
|
|
|
|
dsk.start -= d->d_partitions[RAW_PART].p_offset;
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
}
|
1998-10-13 17:41:06 +00:00
|
|
|
return drvread(buf, dsk.start + lba, nblk);
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
|
2002-10-08 15:48:43 +00:00
|
|
|
static void
|
1998-10-12 21:16:26 +00:00
|
|
|
printf(const char *fmt,...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
char buf[10];
|
|
|
|
char *s;
|
2002-12-17 21:10:34 +00:00
|
|
|
unsigned u;
|
1998-10-12 21:16:26 +00:00
|
|
|
int c;
|
|
|
|
|
|
|
|
va_start(ap, fmt);
|
|
|
|
while ((c = *fmt++)) {
|
|
|
|
if (c == '%') {
|
|
|
|
c = *fmt++;
|
|
|
|
switch (c) {
|
|
|
|
case 'c':
|
|
|
|
putchar(va_arg(ap, int));
|
|
|
|
continue;
|
|
|
|
case 's':
|
|
|
|
for (s = va_arg(ap, char *); *s; s++)
|
|
|
|
putchar(*s);
|
|
|
|
continue;
|
|
|
|
case 'u':
|
|
|
|
u = va_arg(ap, unsigned);
|
|
|
|
s = buf;
|
|
|
|
do
|
2002-12-17 21:10:34 +00:00
|
|
|
*s++ = '0' + u % 10U;
|
|
|
|
while (u /= 10U);
|
1998-10-12 21:16:26 +00:00
|
|
|
while (--s >= buf)
|
|
|
|
putchar(*s);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
putchar(c);
|
|
|
|
}
|
|
|
|
va_end(ap);
|
2002-10-08 15:48:43 +00:00
|
|
|
return;
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
|
2002-10-08 15:48:43 +00:00
|
|
|
static void
|
1998-10-12 21:16:26 +00:00
|
|
|
putchar(int c)
|
|
|
|
{
|
|
|
|
if (c == '\n')
|
1998-10-15 20:04:21 +00:00
|
|
|
xputc('\r');
|
2002-10-08 15:48:43 +00:00
|
|
|
xputc(c);
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
drvread(void *buf, unsigned lba, unsigned nblk)
|
|
|
|
{
|
1998-10-13 23:00:47 +00:00
|
|
|
static unsigned c = 0x2d5c7c2f;
|
|
|
|
|
2005-10-16 20:22:36 +00:00
|
|
|
if (!OPT_CHECK(RBX_QUIET))
|
|
|
|
printf("%c\b", c = c << 8 | c >> 24);
|
1998-10-12 21:16:26 +00:00
|
|
|
v86.ctl = V86_ADDR | V86_CALLF | V86_FLAGS;
|
2001-07-31 19:50:09 +00:00
|
|
|
v86.addr = XREADORG; /* call to xread in boot1 */
|
1998-11-08 15:36:35 +00:00
|
|
|
v86.es = VTOPSEG(buf);
|
|
|
|
v86.eax = lba;
|
|
|
|
v86.ebx = VTOPOFF(buf);
|
|
|
|
v86.ecx = lba >> 16;
|
|
|
|
v86.edx = nblk << 8 | dsk.drive;
|
1998-10-12 21:16:26 +00:00
|
|
|
v86int();
|
|
|
|
v86.ctl = V86_FLAGS;
|
|
|
|
if (V86_CY(v86.efl)) {
|
2002-12-17 21:10:34 +00:00
|
|
|
printf("error %u lba %u\n", v86.eax >> 8 & 0xff, lba);
|
1998-10-12 21:16:26 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
keyhit(unsigned ticks)
|
|
|
|
{
|
1998-10-13 22:17:05 +00:00
|
|
|
uint32_t t0, t1;
|
1998-10-12 21:16:26 +00:00
|
|
|
|
2005-10-16 20:22:36 +00:00
|
|
|
if (OPT_CHECK(RBX_NOINTR))
|
2002-03-23 19:40:27 +00:00
|
|
|
return 0;
|
1998-10-13 22:17:05 +00:00
|
|
|
t0 = 0;
|
1998-10-12 21:16:26 +00:00
|
|
|
for (;;) {
|
1998-10-15 20:04:21 +00:00
|
|
|
if (xgetc(1))
|
1998-10-12 21:16:26 +00:00
|
|
|
return 1;
|
1998-10-13 22:17:05 +00:00
|
|
|
t1 = *(uint32_t *)PTOV(0x46c);
|
|
|
|
if (!t0)
|
|
|
|
t0 = t1;
|
|
|
|
if (t1 < t0 || t1 >= t0 + ticks)
|
1998-10-12 21:16:26 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
1998-10-15 20:04:21 +00:00
|
|
|
xputc(int c)
|
|
|
|
{
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_KEYBOARD)
|
1998-10-15 20:04:21 +00:00
|
|
|
putc(c);
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_SERIAL)
|
1998-10-15 20:04:21 +00:00
|
|
|
sio_putc(c);
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
xgetc(int fn)
|
|
|
|
{
|
2005-10-16 20:22:36 +00:00
|
|
|
if (OPT_CHECK(RBX_NOINTR))
|
2002-03-23 19:40:27 +00:00
|
|
|
return 0;
|
1998-10-15 20:04:21 +00:00
|
|
|
for (;;) {
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_KEYBOARD && getc(1))
|
1998-10-15 20:04:21 +00:00
|
|
|
return fn ? 1 : getc(0);
|
2002-04-11 09:21:10 +00:00
|
|
|
if (ioctrl & IO_SERIAL && sio_ischar())
|
1998-10-15 20:04:21 +00:00
|
|
|
return fn ? 1 : sio_getc();
|
|
|
|
if (fn)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1998-10-12 21:16:26 +00:00
|
|
|
static int
|
1998-10-15 20:04:21 +00:00
|
|
|
getc(int fn)
|
1998-10-12 21:16:26 +00:00
|
|
|
{
|
|
|
|
v86.addr = 0x16;
|
1998-10-15 20:04:21 +00:00
|
|
|
v86.eax = fn << 8;
|
1998-10-12 21:16:26 +00:00
|
|
|
v86int();
|
1998-10-15 20:04:21 +00:00
|
|
|
return fn == 0 ? v86.eax & 0xff : !V86_ZR(v86.efl);
|
1998-10-12 21:16:26 +00:00
|
|
|
}
|