svn commit: r202355 - stable/7/sys/boot/pc98/boot2
Takahashi Yoshihiro
nyan at FreeBSD.org
Fri Jan 15 12:45:23 UTC 2010
Author: nyan
Date: Fri Jan 15 12:45:23 2010
New Revision: 202355
URL: http://svn.freebsd.org/changeset/base/202355
Log:
MFC: revision 201342
Reimplement the boot2 for pc98 completely.
It's based on the newest i386's one and has the advantage of:
- ELF binary support.
- UFS2 filesystem support.
- Many FreeBSD slices support on a disk.
Added:
stable/7/sys/boot/pc98/boot2/boot1.S
- copied unchanged from r201342, head/sys/boot/pc98/boot2/boot1.S
stable/7/sys/boot/pc98/boot2/boot2.c
- copied unchanged from r201342, head/sys/boot/pc98/boot2/boot2.c
Deleted:
stable/7/sys/boot/pc98/boot2/asm.S
stable/7/sys/boot/pc98/boot2/asm.h
stable/7/sys/boot/pc98/boot2/bios.S
stable/7/sys/boot/pc98/boot2/boot.c
stable/7/sys/boot/pc98/boot2/boot.h
stable/7/sys/boot/pc98/boot2/boot2.S
stable/7/sys/boot/pc98/boot2/dinode.h
stable/7/sys/boot/pc98/boot2/disk.c
stable/7/sys/boot/pc98/boot2/fs.h
stable/7/sys/boot/pc98/boot2/inode.h
stable/7/sys/boot/pc98/boot2/io.c
stable/7/sys/boot/pc98/boot2/probe_keyboard.c
stable/7/sys/boot/pc98/boot2/quota.h
stable/7/sys/boot/pc98/boot2/serial.S
stable/7/sys/boot/pc98/boot2/serial_16550.S
stable/7/sys/boot/pc98/boot2/serial_8251.S
stable/7/sys/boot/pc98/boot2/start.S
stable/7/sys/boot/pc98/boot2/sys.c
stable/7/sys/boot/pc98/boot2/table.c
Modified:
stable/7/sys/boot/pc98/boot2/Makefile
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/boot/pc98/boot2/Makefile
==============================================================================
--- stable/7/sys/boot/pc98/boot2/Makefile Fri Jan 15 12:42:35 2010 (r202354)
+++ stable/7/sys/boot/pc98/boot2/Makefile Fri Jan 15 12:45:23 2010 (r202355)
@@ -1,114 +1,104 @@
# $FreeBSD$
-#
-PROG= boot
-# Order is very important on the SRCS line for this prog
-SRCS= start.S table.c boot2.S boot.c asm.S bios.S serial.S
-SRCS+= probe_keyboard.c io.c disk.c sys.c
-
-BINMODE= 444
-CFLAGS= -Os -mrtd \
- -fno-guess-branch-probability \
- -fno-unit-at-a-time \
- -D_KERNEL -DBOOTWAIT=${BOOTWAIT} -DTIMEOUT=${TIMEOUT}
-CFLAGS+= -DBOOTSEG=${BOOTSEG} -DBOOTSTACK=${BOOTSTACK}
-CFLAGS+= ${CWARNFLAGS}
-CFLAGS+= -I${.CURDIR}/../../.. -I.
-
-# By default, if a serial port is going to be used as console, use COM1
-# (aka /dev/ttyd0).
-#BOOT_COMCONSOLE_PORT?=0x30
-BOOT_COMCONSOLE_PORT?=0x238
-BOOT_COMCONSOLE_CLK?=16
-BOOT_COMCONSOLE_MODE=0x0c
-CFLAGS+= -DCOMCONSOLE=${BOOT_COMCONSOLE_PORT} \
- -DCOMCONSOLE_CLK=${BOOT_COMCONSOLE_CLK} \
- -DCOMCONSOLE_MODE=${BOOT_COMCONSOLE_MODE}
-
-# feature not implemented
-BOOT_COMCONSOLE_SPEED?=9600
-CFLAGS+= -DCOMSPEED=${BOOT_COMCONSOLE_SPEED}
-
-# Enable code to take the default boot string from a fixed location on the
-# disk. See nextboot(8) and README.386BSD for more info.
-#CFLAGS+= -DNAMEBLOCK
-#CFLAGS+= -DNAMEBLOCK_WRITEBACK
-
-# Bias the conversion from the BIOS drive number to the FreeBSD unit number
-# for hard disks. This may be useful for people booting in a mixed IDE/SCSI
-# environment (set BOOT_HD_BIAS to the number of IDE drives).
-#CFLAGS+= -DBOOT_HD_BIAS=1
-#
-# Details: this only applies if BOOT_HD_BIAS > 0. If the BIOS drive number
-# for the boot drive is >= BOOT_HD_BIAS, then the boot drive is assumed to
-# be SCSI and have unit number (BIOS_drive_number - BOOT_HD_BIAS). E.g.,
-# BOOT_HD_BIAS=1 makes BIOS drive 1 correspond to 1:da(0,a) instead of
-# 1:wd(1,a). If `da' is given explicitly, then the drive is assumed to be
-# SCSI and have BIOS drive number (da_unit_number + BOOT_HD_BIAS). E.g.,
-# BOOT_HD_BIAS=1 makes da(0,a) correspond to 1:da(0,a) instead of 0:da(0,a).
-
-CLEANFILES+= boot.nohdr boot.strip boot.ldr boot1 boot2 sizetest
-LDFLAGS+= -N -Ttext 0 -e start
-NO_SHARED= YES
-NO_MAN=
-STRIP=
-
-# tunable timeout parameter, waiting for keypress, calibrated in ms
-BOOTWAIT?= 5000
-# tunable timeout during string input, calibrated in ms
-#TIMEOUT?= 30000
-
-# Location that boot2 is loaded at
-BOOTSEG= 0x1000
-
-# Offset in BOOTSEG for the top of the stack, keep this 16 byte aligned
-BOOTSTACK= 0xFFF0
-
-boot.nohdr: boot
- objcopy -S -O binary boot boot.nohdr
- ls -l boot.nohdr
-
-boot.ldr: boot.nohdr
- dd if=boot.nohdr of=boot.ldr bs=8192 count=1 conv=sync
-
-boot1: boot.nohdr
- dd if=boot.nohdr of=boot1 bs=512 count=1
-
-boot2: boot.nohdr
- dd if=boot.nohdr of=boot2 bs=512 skip=1
- @dd if=boot2 skip=14 of=sizetest 2> /dev/null
- @if [ -s sizetest ] ; then \
- echo "boot2 is too big" >&2 ; \
- rm boot2 ; \
- exit 2 ; \
- fi
-
-all: boot.ldr boot1 boot2
-
-install:
- ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
- boot.ldr ${DESTDIR}${BINDIR}/boot
- ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
- boot1 boot2 ${DESTDIR}${BINDIR}
-
-# If it's not there, don't consider it a target
-.if exists(${.CURDIR}/../../../pc98/include)
-beforedepend ${OBJS}: machine
-
-machine:
- ln -sf ${.CURDIR}/../../../pc98/include machine
-
-.endif
-
-.if exists(${.CURDIR}/../../../i386/include)
-beforedepend ${OBJS}: i386
+FILES= boot boot1 boot2
-i386:
- ln -sf ${.CURDIR}/../../../i386/include i386
+NM?= nm
-.endif
+BOOT_COMCONSOLE_PORT?= 0x238
+BOOT_COMCONSOLE_SPEED?= 9600
+B2SIOFMT?= 0x3
+
+REL1= 0x700
+ORG1= 0
+ORG2= 0x2000
+
+# Decide level of UFS support.
+BOOT2_UFS?= UFS1_AND_UFS2
+#BOOT2_UFS?= UFS2_ONLY
+#BOOT2_UFS?= UFS1_ONLY
+
+CFLAGS= -Os \
+ -fno-guess-branch-probability \
+ -fomit-frame-pointer \
+ -fno-unit-at-a-time \
+ -mno-align-long-strings \
+ -mrtd \
+ -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \
+ -D${BOOT2_UFS} \
+ -DFLAGS=${BOOT_BOOT1_FLAGS} \
+ -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
+ -DSIOFMT=${B2SIOFMT} \
+ -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
+ -I${.CURDIR}/../../.. \
+ -I${.CURDIR}/../../i386/boot2 \
+ -I${.CURDIR}/../../common \
+ -I${.CURDIR}/../btx/lib -I. \
+ -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
+ -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
+ -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
+ -Winline --param max-inline-insns-single=100
+
+# Set machine type to PC98_SYSTEM_PARAMETER
+#CFLAGS+= -DSET_MACHINE_TYPE
+
+# Initialize the bi_bios_geom using the BIOS geometry
+#CFLAGS+= -DGET_BIOSGEOM
+
+LDFLAGS=-static -N --gc-sections
+
+# Pick up ../Makefile.inc early.
+.include <bsd.init.mk>
+
+.PATH: ${.CURDIR}/../../i386/boot2
+
+CLEANFILES= boot
+
+boot: boot1 boot2
+ cat boot1 boot2 > boot
+
+CLEANFILES+= boot1 boot1.out boot1.o
+
+boot1: boot1.out
+ objcopy -S -O binary boot1.out ${.TARGET}
+
+boot1.out: boot1.o
+ ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
+
+CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
+ boot2.s boot2.s.tmp boot2.h sio.o
+
+boot2: boot2.ld
+ @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
+ echo "$$x bytes available"; test $$x -ge 0
+ dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
+
+boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
+ btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
+ -o ${.TARGET} -P 1 boot2.bin
+
+boot2.ldr:
+ dd if=/dev/zero of=${.TARGET} bs=276 count=1
+
+boot2.bin: boot2.out
+ objcopy -S -O binary boot2.out ${.TARGET}
+
+boot2.out: ${BTXCRT} boot2.o sio.o
+ ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
+
+boot2.o: boot2.s
+
+SRCS= boot2.c boot2.h
+
+boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
+ ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
+ sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
+ rm -f boot2.s.tmp
+
+boot2.h: boot1.out
+ ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \
+ { x = $$1 - ORG1; \
+ printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \
+ ORG1=`printf "%d" ${ORG1}` \
+ REL1=`printf "%d" ${REL1}` > ${.TARGET}
-CLEANFILES+= machine i386
-
-.include "${.CURDIR}/../../../conf/kern.mk"
.include <bsd.prog.mk>
Copied: stable/7/sys/boot/pc98/boot2/boot1.S (from r201342, head/sys/boot/pc98/boot2/boot1.S)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/7/sys/boot/pc98/boot2/boot1.S Fri Jan 15 12:45:23 2010 (r202355, copy of r201342, head/sys/boot/pc98/boot2/boot1.S)
@@ -0,0 +1,395 @@
+/*-
+ * Copyright (c) 2008-2009 TAKAHASHI Yoshihiro
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+/* Memory Locations */
+ .set STACK_OFF,0x6000 # Stack offset
+ .set LOAD_SIZE,8192 # Load size
+ .set DAUA,0x0584 # DA/UA
+ .set MEM_REL,0x700 # Relocation address
+ .set MEM_ARG,0x900 # Arguments
+ .set MEM_BUF,0x8cec # Load area
+ .set MEM_BTX,0x9000 # BTX start
+ .set MEM_JMP,0x9010 # BTX entry point
+ .set MEM_USR,0xa000 # Client start
+
+/* PC98 machine type from sys/pc98/pc98/pc98_machdep.h */
+ .set MEM_SYS, 0xa100 # System common area segment
+ .set PC98_MACHINE_TYPE, 0x0620 # PC98 machine type
+ .set EPSON_ID, 0x0624 # EPSON machine id
+
+ .set M_NEC_PC98, 0x0001
+ .set M_EPSON_PC98, 0x0002
+ .set M_NOT_H98, 0x0010
+ .set M_H98, 0x0020
+ .set M_NOTE, 0x0040
+ .set M_NORMAL, 0x1000
+ .set M_8M, 0x8000
+
+/* Partition Constants */
+ .set PRT_OFF,0x1be # Partition offset
+
+/* Misc. Constants */
+ .set SIZ_PAG,0x1000 # Page size
+ .set SIZ_SEC,0x200 # Sector size
+
+ .set NSECT,0x10
+
+ .globl start
+ .globl read
+ .globl putc
+ .code16
+
+start: jmp main
+
+boot_cyl: .org 4
+ .ascii "IPL1 "
+
+main: cld
+
+ /* Setup the stack */
+ xor %si,%si
+ mov %si,%ss
+ mov $STACK_OFF,%sp
+
+ push %cx
+
+ /* Relocate ourself to MEM_REL */
+ push %cs
+ pop %ds
+ mov %si,%es
+ mov $MEM_REL,%di
+ mov $SIZ_SEC,%cx
+ rep
+ movsb
+
+ /* Transfer PC-9801 system common area */
+ xor %ax,%ax
+ mov %ax,%si
+ mov %ax,%ds
+ mov %ax,%di
+ mov $MEM_SYS,%ax
+ mov %ax,%es
+ mov $0x0600,%cx
+ rep
+ movsb
+
+ /* Transfer EPSON machine type */
+ mov $0xfd00,%ax
+ mov %ax,%ds
+ mov (0x804),%eax
+ and $0x00ffffff,%eax
+ mov %eax,%es:(EPSON_ID)
+
+ /* Set machine type to PC98_SYSTEM_PARAMETER */
+#ifdef SET_MACHINE_TYPE
+ call set_machine_type
+#else
+ mov $M_NEC_PC98+M_NOT_H98,%eax
+ mov %eax,%es:(PC98_MACHINE_TYPE)
+#endif
+
+ /* Setup graphic screen */
+ mov $0x42,%ah /* 640x400 */
+ mov $0xc0,%ch
+ int $0x18
+ mov $0x40,%ah /* graph on */
+ int $0x18
+
+ /* Setup text screen */
+ mov $0x0a00,%ax /* 80x25 */
+ int $0x18
+ mov $0x0c,%ah /* text on */
+ int $0x18
+ mov $0x13,%ah /* cursor home */
+ xor %dx,%dx
+ int $0x18
+ mov $0x11,%ah /* cursor on */
+ int $0x18
+
+ /* Setup keyboard */
+ mov $0x03,%ah
+ int $0x18
+
+ pop %cx
+
+ /* bootstrap passes */
+ xor %edi,%edi
+ mov %di,%ds
+ mov %di,%es
+ mov %cs,%bx
+ cmp $0x1fe0,%bx
+ jz boot_fd
+ cmp $0x1fc0,%bx
+ jnz boot_hd
+ xor %cx,%cx
+ mov (DAUA),%al
+ and $0xf0,%al
+ cmp $0x30,%al
+ jz boot_fd
+ cmp $0x90,%al
+ jnz boot_hd
+boot_fd: xor %cx,%cx
+ jmp boot_load
+boot_hd: test %cx,%cx
+ jnz boot_load
+ mov %cs:(boot_cyl),%cx
+boot_load: mov %cx,MEM_ARG /* Save cylinder number */
+ mov %cx,%di
+ xor %dx,%dx
+ mov $LOAD_SIZE,%bx
+ mov $MEM_BUF,%bp
+ push %cs
+ callw read
+ jc error
+
+ /* Transfer boot2.bin */
+ mov $MEM_BTX,%bx
+ mov 0xa(%bx),%si /* BTX size */
+ add %bx,%si /* start of boot2.bin */
+ mov $MEM_USR+SIZ_PAG*2,%di
+ mov $MEM_BTX+(NSECT-1)*SIZ_SEC,%cx
+ sub %si,%cx
+ rep
+ movsb
+
+ /* Enable A20 */
+ xor %ax,%ax
+ outb %al,$0xf2
+ mov $0x02,%al
+ outb %al,$0xf6
+
+ /* Start BTX */
+ ljmp $0x0000,$MEM_JMP
+
+/*
+ * Reads sectors from the disk.
+ * Call with:
+ *
+ * %bx - bytes to read
+ * %cx - cylinder
+ * %dh - head
+ * %dl - sector
+ * %edi - lba
+ * %es:(%bp) - buffer to read data into
+ */
+read: xor %ax,%ax
+ mov %ax,%ds
+ mov $0x06,%ah
+ mov (DAUA),%al
+ mov %ax,%si
+ and $0xf0,%al
+ cmp $0x30,%al /* 1.44MB FDD */
+ jz read_fd
+ cmp $0x90,%al /* 1MB FDD */
+ jz read_fd
+ cmp $0xa0,%al /* Is SCSI device? */
+ jnz read_load
+ push %cx
+ mov %si,%cx
+ and $0x0f,%cl
+ inc %cl
+ mov (0x482),%ah
+ shr %cl,%ah /* Is SCSI HDD? */
+ pop %cx
+ jc read_load
+ and $0xff7f,%si /* SCSI MO */
+ mov %di,%cx
+ shr $16,%di
+ mov %di,%dx
+ jmp read_load
+read_fd: or $0xd000,%si
+ or $0x0200,%cx
+ inc %dx
+read_load: mov %si,%ax
+ int $0x1b
+ lret
+
+/*
+ * Print out the error message, wait for a keypress, and then reboot
+ * the machine.
+ */
+error: push %cs
+ pop %ds
+ mov $msg_eread,%si
+ call putstr
+ xor %ax,%ax /* Get keypress */
+ int $0x18
+ xor %ax,%ax /* CPU reset */
+ outb %al,$0xf0
+halt: hlt
+ jmp halt /* Spin */
+
+/*
+ * Display a null-terminated string.
+ */
+putstr.0: push %cs
+ callw putc
+putstr: lodsb
+ test %al,%al
+ jne putstr.0
+ ret
+
+/*
+ * Display a single char.
+ */
+putc: pusha
+ xor %dx,%dx
+ mov %dx,%ds
+ mov MEM_REL+cursor-start,%di
+ mov $0xa000,%bx
+ mov %bx,%es
+ mov $(80*2),%cx
+
+ cmp $0x08,%al
+ je putc.bs
+ cmp $0x0d,%al
+ je putc.cr
+ cmp $0x0a,%al
+ je putc.lf
+ cmp $0x5c,%al /* \ */
+ jne 1f
+ mov $0xfc,%al
+1: movb $0xe1,%es:0x2000(%di)
+ stosw
+ jmp putc.scr
+putc.bs: test %di,%di
+ jz putc.move
+ dec %di
+ dec %di
+ movb $0xe1,%es:0x2000(%di)
+ movw $0x20,%es:(%di)
+ jmp putc.move
+putc.cr: mov %di,%ax
+ div %cx
+ sub %dx,%di
+ jmp putc.move
+putc.lf: add %cx,%di
+putc.scr: cmp $(80*2*25),%di /* Scroll screen */
+ jb putc.move
+ push %ds
+ mov %bx,%ds
+ mov $(80*2),%si
+ xor %di,%di
+ mov $(80*24/2),%cx
+ rep
+ movsl
+ xor %ax,%ax
+ mov $0x20,%al
+ mov $80,%cl
+ rep
+ stosw
+ pop %ds
+ mov $(80*24*2),%di
+putc.move: mov %di,MEM_REL+cursor-start /* Move cursor */
+ mov $0x13,%ah
+ mov %di,%dx
+ int $0x18
+ popa
+ lret
+
+cursor: .word 0
+
+#ifdef SET_MACHINE_TYPE
+/*
+ * Set machine type to PC98_SYSTEM_PARAMETER.
+ */
+set_machine_type:
+ xor %edx,%edx
+ mov %dx,%ds
+// mov $MEM_SYS,%ax
+// mov %ax,%es
+
+ /* Wait V-SYNC */
+vsync.1: inb $0x60,%al
+ test $0x20,%al
+ jnz vsync.1
+vsync.2: inb $0x60,%al
+ test $0x20,%al
+ jz vsync.2
+
+ /* ANK 'A' font */
+ xor %al,%al
+ outb %al,$0xa1
+ mov $0x41,%al
+ outb %al,$0xa3
+
+ /* Get 'A' font from CG window */
+ push %ds
+ mov $0xa400,%ax
+ mov %ax,%ds
+ xor %eax,%eax
+ xor %bx,%bx
+ mov $4,%cx
+font.1: add (%bx),%eax
+ add $4,%bx
+ loop font.1
+ pop %ds
+ cmp $0x6efc58fc,%eax
+ jnz m_epson
+
+m_pc98: or $M_NEC_PC98,%edx
+ mov $0x0458,%bx
+ mov (%bx),%al
+ test $0x80,%al
+ jz m_not_h98
+ or $M_H98,%edx
+ jmp 1f
+m_epson: or $M_EPSON_PC98,%edx
+m_not_h98: or $M_NOT_H98,%edx
+
+1: inb $0x42,%al
+ test $0x20,%al
+ jz 1f
+ or $M_8M,%edx
+
+1: mov $0x0400,%bx
+ mov (%bx),%al
+ test $0x80,%al
+ jz 1f
+ or $M_NOTE,%edx
+
+1: mov $PC98_MACHINE_TYPE,%bx
+ mov %edx,%es:(%bx)
+ ret
+#endif
+
+/* Messages */
+
+msg_eread: .asciz "Error\r\n"
+
+ .org PRT_OFF,0x90
+
+/* Partition table */
+
+ .fill 0x30,0x1,0x0
+ .byte 0x80, 0x00, 0x01, 0x00
+ .byte 0xa5, 0xff, 0xff, 0xff
+ .byte 0x00, 0x00, 0x00, 0x00
+ .byte 0x50, 0xc3, 0x00, 0x00
+
+ .word 0xaa55 # Magic number
Copied: stable/7/sys/boot/pc98/boot2/boot2.c (from r201342, head/sys/boot/pc98/boot2/boot2.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/7/sys/boot/pc98/boot2/boot2.c Fri Jan 15 12:45:23 2010 (r202355, copy of r201342, head/sys/boot/pc98/boot2/boot2.c)
@@ -0,0 +1,842 @@
+/*-
+ * Copyright (c) 2008-2009 TAKAHASHI Yoshihiro
+ * Copyright (c) 1998 Robert Nordier
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are freely
+ * permitted provided that the above copyright notice and this
+ * paragraph and the following disclaimer are duplicated in all
+ * such forms.
+ *
+ * This software is provided "AS IS" and without any express or
+ * implied warranties, including, without limitation, the implied
+ * warranties of merchantability and fitness for a particular
+ * purpose.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/disklabel.h>
+#include <sys/diskpc98.h>
+#include <sys/dirent.h>
+#include <sys/reboot.h>
+
+#include <machine/bootinfo.h>
+#include <machine/cpufunc.h>
+#include <machine/elf.h>
+#include <machine/psl.h>
+
+#include <stdarg.h>
+
+#include <a.out.h>
+
+#include <btxv86.h>
+
+#include "boot2.h"
+#include "lib.h"
+
+#define IO_KEYBOARD 1
+#define IO_SERIAL 2
+
+#define SECOND 1 /* Circa that many ticks in a second. */
+
+#define RBX_ASKNAME 0x0 /* -a */
+#define RBX_SINGLE 0x1 /* -s */
+/* 0x2 is reserved for log2(RB_NOSYNC). */
+/* 0x3 is reserved for log2(RB_HALT). */
+/* 0x4 is reserved for log2(RB_INITNAME). */
+#define RBX_DFLTROOT 0x5 /* -r */
+#define RBX_KDB 0x6 /* -d */
+/* 0x7 is reserved for log2(RB_RDONLY). */
+/* 0x8 is reserved for log2(RB_DUMP). */
+/* 0x9 is reserved for log2(RB_MINIROOT). */
+#define RBX_CONFIG 0xa /* -c */
+#define RBX_VERBOSE 0xb /* -v */
+#define RBX_SERIAL 0xc /* -h */
+#define RBX_CDROM 0xd /* -C */
+/* 0xe is reserved for log2(RB_POWEROFF). */
+#define RBX_GDB 0xf /* -g */
+#define RBX_MUTE 0x10 /* -m */
+/* 0x11 is reserved for log2(RB_SELFTEST). */
+/* 0x12 is reserved for boot programs. */
+/* 0x13 is reserved for boot programs. */
+#define RBX_PAUSE 0x14 /* -p */
+#define RBX_QUIET 0x15 /* -q */
+#define RBX_NOINTR 0x1c /* -n */
+/* 0x1d is reserved for log2(RB_MULTIPLE) and is just misnamed here. */
+#define RBX_DUAL 0x1d /* -D */
+/* 0x1f is reserved for log2(RB_BOOTINFO). */
+
+/* pass: -a, -s, -r, -d, -c, -v, -h, -C, -g, -m, -p, -D */
+#define RBX_MASK (OPT_SET(RBX_ASKNAME) | OPT_SET(RBX_SINGLE) | \
+ OPT_SET(RBX_DFLTROOT) | OPT_SET(RBX_KDB ) | \
+ OPT_SET(RBX_CONFIG) | OPT_SET(RBX_VERBOSE) | \
+ OPT_SET(RBX_SERIAL) | OPT_SET(RBX_CDROM) | \
+ OPT_SET(RBX_GDB ) | OPT_SET(RBX_MUTE) | \
+ OPT_SET(RBX_PAUSE) | OPT_SET(RBX_DUAL))
+
+#define PATH_CONFIG "/boot.config"
+#define PATH_BOOT3 "/boot/loader"
+#define PATH_KERNEL "/boot/kernel/kernel"
+
+#define ARGS 0x900
+#define NOPT 14
+#define NDEV 3
+#define V86_CY(x) ((x) & PSL_C)
+#define V86_ZR(x) ((x) & PSL_Z)
+
+#define DRV_DISK 0xf0
+#define DRV_UNIT 0x0f
+
+#define TYPE_AD 0
+#define TYPE_DA 1
+#define TYPE_FD 2
+
+#define OPT_SET(opt) (1 << (opt))
+#define OPT_CHECK(opt) ((opts) & OPT_SET(opt))
+
+extern uint32_t _end;
+
+static const char optstr[NOPT] = "DhaCcdgmnpqrsv"; /* Also 'P', 'S' */
+static const unsigned char flags[NOPT] = {
+ RBX_DUAL,
+ RBX_SERIAL,
+ RBX_ASKNAME,
+ RBX_CDROM,
+ RBX_CONFIG,
+ RBX_KDB,
+ RBX_GDB,
+ RBX_MUTE,
+ RBX_NOINTR,
+ RBX_PAUSE,
+ RBX_QUIET,
+ RBX_DFLTROOT,
+ RBX_SINGLE,
+ RBX_VERBOSE
+};
+
+static const char *const dev_nm[NDEV] = {"ad", "da", "fd"};
+static const unsigned char dev_maj[NDEV] = {30, 4, 2};
+static const unsigned char dev_daua[NDEV] = {0x80, 0xa0, 0x90};
+
+static struct dsk {
+ unsigned daua;
+ unsigned type;
+ unsigned disk;
+ unsigned unit;
+ unsigned head;
+ unsigned sec;
+ unsigned slice;
+ unsigned part;
+ unsigned start;
+} dsk;
+static char cmd[512], cmddup[512];
+static char kname[1024];
+static uint32_t opts;
+static int comspeed = SIOSPD;
+static struct bootinfo bootinfo;
+static uint8_t ioctrl = IO_KEYBOARD;
+
+void exit(int);
+static void load(void);
+static int parse(void);
+static int xfsread(ino_t, void *, size_t);
+static int dskread(void *, unsigned, unsigned);
+static void printf(const char *,...);
+static void putchar(int);
+static uint32_t memsize(void);
+static int drvread(void *, unsigned);
+static int keyhit(unsigned);
+static int xputc(int);
+static int xgetc(int);
+static int getc(int);
+
+static void memcpy(void *, const void *, int);
+static void
+memcpy(void *dst, const void *src, int len)
+{
+ const char *s = src;
+ char *d = dst;
+
+ while (len--)
+ *d++ = *s++;
+}
+
+static inline int
+strcmp(const char *s1, const char *s2)
+{
+ for (; *s1 == *s2 && *s1; s1++, s2++);
+ return (unsigned char)*s1 - (unsigned char)*s2;
+}
+
+#define UFS_SMALL_CGBASE
+#include "ufsread.c"
+
+static inline int
+xfsread(ino_t inode, void *buf, size_t nbyte)
+{
+ if ((size_t)fsread(inode, buf, nbyte) != nbyte) {
+ printf("Invalid %s\n", "format");
+ return -1;
+ }
+ return 0;
+}
+
+static inline uint32_t
+memsize(void)
+{
+ u_char *p = (u_char *)PTOV(0);
+
+ return *(p + 0x401) * 128 * 1024 + *(u_int16_t *)(p + 0x594) * 1024 * 1024;
+}
+
+static inline void
+getstr(void)
+{
+ char *s;
+ int c;
+
+ s = cmd;
+ for (;;) {
+ switch (c = xgetc(0)) {
+ case 0:
+ break;
+ case '\177':
+ case '\b':
+ if (s > cmd) {
+ s--;
+ printf("\b \b");
+ }
+ break;
+ case '\n':
+ case '\r':
+ *s = 0;
+ return;
+ default:
+ if (s - cmd < sizeof(cmd) - 1)
+ *s++ = c;
+ putchar(c);
+ }
+ }
+}
+
+static inline void
+putc(int c)
+{
+
+ v86.ctl = V86_ADDR | V86_CALLF | V86_FLAGS;
+ v86.addr = PUTCORG; /* call to putc in boot1 */
+ v86.eax = c;
+ v86int();
+ v86.ctl = V86_FLAGS;
+}
+
+static inline int
+is_scsi_hd(void)
+{
+
+ if ((*(u_char *)PTOV(0x482) >> dsk.unit) & 0x01)
+ return 1;
+
+ return 0;
+}
+
+static inline void
+fix_sector_size(void)
+{
+ u_char *p;
+
+ p = (u_char *)PTOV(0x460 + dsk.unit * 4); /* SCSI equipment parameter */
+
+ if ((p[0] & 0x1f) == 7) { /* SCSI MO */
+ if (!(p[3] & 0x30)) { /* 256B / sector */
+ p[3] |= 0x10; /* forced set 512B / sector */
+ p[3 + 0xa1000] |= 0x10;
+ }
+ }
+}
+
+static inline uint32_t
+get_diskinfo(void)
+{
+
+ if (dsk.disk == 0x30) { /* 1440KB FD */
+ /* 80 cylinders, 2 heads, 18 sectors */
+ return (80 << 16) | (2 << 8) | 18;
+ } else if (dsk.disk == 0x90) { /* 1200KB FD */
+ /* 80 cylinders, 2 heads, 15 sectors */
+ return (80 << 16) | (2 << 8) | 15;
+ } else if (dsk.disk == 0x80 || is_scsi_hd()) { /* IDE or SCSI HDD */
+ v86.addr = 0x1b;
+ v86.eax = 0x8400 | dsk.daua;
+ v86int();
+ return (v86.ecx << 16) | v86.edx;
+ }
+
+ /* SCSI MO or CD */
+ fix_sector_size(); /* SCSI MO */
+
+ /* other SCSI devices */
+ return (65535 << 16) | (8 << 8) | 32;
+}
+
+static void
+set_dsk(void)
+{
+ uint32_t di;
+
+ di = get_diskinfo();
+
+ dsk.head = (di >> 8) & 0xff;
+ dsk.sec = di & 0xff;
+ dsk.start = 0;
+}
+
+#ifdef GET_BIOSGEOM
+static uint32_t
+bd_getbigeom(int bunit)
+{
+ int hds = 0;
+ int unit = 0x80; /* IDE HDD */
+ u_int addr = 0x55d;
+
+ while (unit < 0xa7) {
+ if (*(u_char *)PTOV(addr) & (1 << (unit & 0x0f)))
+ if (hds++ == bunit)
+ break;
+
+ if (unit >= 0xA0) {
+ int media = ((unsigned *)PTOV(0x460))[unit & 0x0F] & 0x1F;
+
+ if (media == 7 && hds++ == bunit) /* SCSI MO */
+ return(0xFFFE0820); /* C:65535 H:8 S:32 */
+ }
+ if (++unit == 0x84) {
+ unit = 0xA0; /* SCSI HDD */
+ addr = 0x482;
+ }
+ }
+ if (unit == 0xa7)
+ return 0x4F020F; /* 1200KB FD C:80 H:2 S:15 */
+ v86.addr = 0x1b;
+ v86.eax = 0x8400 | unit;
+ v86int();
+ if (v86.efl & 0x1)
+ return 0x4F020F; /* 1200KB FD C:80 H:2 S:15 */
+ return ((v86.ecx & 0xffff) << 16) | (v86.edx & 0xffff);
+}
+#endif
+
+static int
+check_slice(void)
+{
+ struct pc98_partition *dp;
+ char *sec;
+ unsigned i, cyl;
+
+ sec = dmadat->secbuf;
+ cyl = *(uint16_t *)PTOV(ARGS);
+ set_dsk();
+
+ if (dsk.type == TYPE_FD)
+ return (WHOLE_DISK_SLICE);
+ if (drvread(sec, DOSBBSECTOR + 1))
+ return (WHOLE_DISK_SLICE); /* Read error */
+ dp = (void *)(sec + DOSPARTOFF);
+ for (i = 0; i < NDOSPART; i++) {
+ if (dp[i].dp_mid == DOSMID_386BSD) {
+ if (dp[i].dp_scyl <= cyl && cyl <= dp[i].dp_ecyl)
+ return (BASE_SLICE + i);
+ }
+ }
+
+ return (WHOLE_DISK_SLICE);
+}
+
+int
+main(void)
+{
+#ifdef GET_BIOSGEOM
+ int i;
+#endif
+ int autoboot;
+ ino_t ino;
+
+ dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base);
+ v86.ctl = V86_FLAGS;
+ v86.efl = PSL_RESERVED_DEFAULT | PSL_I;
+ dsk.daua = *(uint8_t *)PTOV(0x584);
+ dsk.disk = dsk.daua & DRV_DISK;
+ dsk.unit = dsk.daua & DRV_UNIT;
+ if (dsk.disk == 0x80)
+ dsk.type = TYPE_AD;
+ else if (dsk.disk == 0xa0)
+ dsk.type = TYPE_DA;
+ else /* if (dsk.disk == 0x30 || dsk.disk == 0x90) */
+ dsk.type = TYPE_FD;
+ dsk.slice = check_slice();
+#ifdef GET_BIOSGEOM
+ for (i = 0; i < N_BIOS_GEOM; i++)
+ bootinfo.bi_bios_geom[i] = bd_getbigeom(i);
+#endif
+ bootinfo.bi_version = BOOTINFO_VERSION;
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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