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[src/trunk]: src/sys/arch/i386/stand/bootxx bootxx: bootstrap code - installa...
details: https://anonhg.NetBSD.org/src/rev/262db74854e5
branches: trunk
changeset: 545830:262db74854e5
user: dsl <dsl%NetBSD.org@localhost>
date: Wed Apr 16 22:16:36 2003 +0000
description:
bootxx: bootstrap code - installable by MI installboot.
Loads /boot using filesystem accesses (rather than a list of block numbers)
diffstat:
sys/arch/i386/stand/bootxx/Makefile | 6 +
sys/arch/i386/stand/bootxx/Makefile.bootxx | 144 ++++++++
sys/arch/i386/stand/bootxx/boot1.c | 108 ++++++
sys/arch/i386/stand/bootxx/boot_params.S | 9 +
sys/arch/i386/stand/bootxx/bootxx.S | 128 +++++++
sys/arch/i386/stand/bootxx/bootxx_ffsv1/Makefile | 5 +
sys/arch/i386/stand/bootxx/bootxx_ffsv2/Makefile | 5 +
sys/arch/i386/stand/bootxx/bootxx_lfsv1/Makefile | 5 +
sys/arch/i386/stand/bootxx/bootxx_lfsv2/Makefile | 5 +
sys/arch/i386/stand/bootxx/bootxx_ufs/Makefile | 5 +
sys/arch/i386/stand/bootxx/bootxx_ustarfs/Makefile | 7 +
sys/arch/i386/stand/bootxx/label.S | 13 +
sys/arch/i386/stand/bootxx/pbr.S | 368 +++++++++++++++++++++
13 files changed, 808 insertions(+), 0 deletions(-)
diffs (truncated from 860 to 300 lines):
diff -r 143fc81ced06 -r 262db74854e5 sys/arch/i386/stand/bootxx/Makefile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/bootxx/Makefile Wed Apr 16 22:16:36 2003 +0000
@@ -0,0 +1,6 @@
+# $NetBSD: Makefile,v 1.1 2003/04/16 22:17:44 dsl Exp $
+
+SUBDIR= bootxx_ufs bootxx_ffsv1 bootxx_ffsv2 bootxx_lfsv1 bootxx_lfsv2
+SUBDIR+= bootxx_dosfs bootxx_ustarfs
+
+.include <bsd.subdir.mk>
diff -r 143fc81ced06 -r 262db74854e5 sys/arch/i386/stand/bootxx/Makefile.bootxx
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/bootxx/Makefile.bootxx Wed Apr 16 22:16:36 2003 +0000
@@ -0,0 +1,144 @@
+# $NetBSD: Makefile.bootxx,v 1.1 2003/04/16 22:17:44 dsl Exp $
+
+S= ${.CURDIR}/../../../../../
+
+NOMAN=
+STRIPFLAG=
+PROG= bootxx_${FS}
+PRIMARY_LOAD_ADDRESS=0x600
+SECONDARY_LOAD_ADDRESS=0x10000
+
+# We ought (need?) to fit into track 0 of a 1.2M floppy.
+# This restricts us to 15 sectors (including pbr and label)
+BOOTXX_SECTORS?=15
+BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
+
+SRCS= pbr.S label.S bootxx.S boot1.c
+
+.include <bsd.own.mk>
+
+LIBCRT0= # nothing
+LIBCRTBEGIN= # nothing
+LIBCRTEND= # nothing
+LIBC= # nothing
+
+BINDIR=/usr/mdec
+BINMODE=444
+
+.PATH: ${.CURDIR}/.. ${.CURDIR}/../../lib
+
+LDFLAGS+= -N -e start
+CPPFLAGS+= -DBOOTXX
+# CPPFLAGS+= -D__daddr_t=int32_t
+CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
+CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
+CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
+CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
+# Magic number also known by usr.sbin/installboot/arch/i386.c
+CPPFLAGS+= -DX86_BOOT_MAGIC_1="('x' << 24 | 0x86b << 12 | 'm' << 4 | 1)"
+CPPFLAGS+= -DXXfs_open=${FS}_open
+CPPFLAGS+= -DXXfs_close=${FS}_close
+CPPFLAGS+= -DXXfs_read=${FS}_read
+CPPFLAGS+= -DXXfs_stat=${FS}_stat
+
+# Make sure we override any optimization options specified by the user
+COPTS= -Os
+
+.if ${MACHINE} == "x86_64"
+LDFLAGS+= -m elf_i386
+AFLAGS+= -m32
+COPTS+= -m32
+LIBKERN_ARCH=i386
+KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
+.else
+COPTS+= -mcpu=i386
+.endif
+
+COPTS+= -ffreestanding
+CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
+CPPFLAGS+= -nostdinc -D_STANDALONE
+CPPFLAGS+= -I$S
+
+CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
+ -DLIBSA_NO_TWIDDLE \
+ -DLIBSA_NO_FD_CHECKING \
+ -DLIBSA_NO_RAW_ACCESS \
+ -DLIBSA_NO_FS_WRITE \
+ -DLIBSA_NO_FS_SEEK \
+ -DLIBSA_USE_MEMCPY \
+ -DLIBSA_USE_MEMSET \
+ -DLIBSA_SINGLE_DEVICE=blkdev \
+ -DLIBKERN_OPTIMISE_SPACE \
+ -D"blkdevioctl(x,y,z)=EINVAL" \
+ -D"blkdevclose(f)=0" \
+ -D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
+ -DLIBSA_NO_DISKLABEL_MSGS
+
+# -DLIBSA_FS_SINGLECOMPONENT
+
+# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
+
+I386_STAND_DIR?= $S/arch/i386/stand
+
+.if !make(obj) && !make(clean) && !make(cleandir)
+.BEGIN: machine
+.NOPATH: machine
+.endif
+
+realdepend realall: machine
+CLEANFILES+= machine
+
+machine::
+ -rm -f $@
+ ln -s $S/arch/i386/include $@
+
+${OBJS}: machine
+
+### find out what to use for libi386
+I386DIR= ${I386_STAND_DIR}/lib
+I386DST= ${.OBJDIR}/../lib/i386
+.include "${I386DIR}/Makefile.inc"
+LIBI386= ${I386LIB}
+
+### find out what to use for libsa
+SA_AS= library
+SADST= ${.OBJDIR}/../lib/libsa
+SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
+.include "${S}/lib/libsa/Makefile.inc"
+LIBSA= ${SALIB}
+
+### find out what to use for libkern
+KERN_AS= library
+KERNDST= ${.OBJDIR}/../lib/libkern
+.include "${S}/lib/libkern/Makefile.inc"
+LIBKERN= ${KERNLIB}
+
+
+cleandir distclean: cleanlibdir
+
+cleanlibdir:
+ rm -rf lib
+
+LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
+
+CLEANFILES+= ${PROG}.tmp ${PROG}.map
+
+${PROG}: ${OBJS} ${LIBLIST}
+ ${LD} -o ${PROG}.tmp ${LDFLAGS} -Ttext ${PRIMARY_LOAD_ADDRESS} \
+ -Map ${PROG}.map -cref ${OBJS} ${LIBLIST}
+ ${OBJCOPY} -O binary ${PROG}.tmp ${PROG}
+ # rm -f ${PROG}.tmp
+ @ sz=$$(ls -ln ${PROG}|tr -s ' '|cut -d' ' -f5); \
+ if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
+ echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
+ rm ${PROG}; \
+ ! :; \
+ else \
+ : pad to sector boundary; \
+ pad=$$(( 512 - ( $$sz & 511 ) )); \
+ [ $$pad != 512 ] && \
+ dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
+ echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
+ fi
+
+.include <bsd.prog.mk>
diff -r 143fc81ced06 -r 262db74854e5 sys/arch/i386/stand/bootxx/boot1.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/bootxx/boot1.c Wed Apr 16 22:16:36 2003 +0000
@@ -0,0 +1,108 @@
+/* $NetBSD: boot1.c,v 1.1 2003/04/16 22:17:44 dsl Exp $ */
+
+/*-
+ * Copyright (c) 2003 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by David Laight.
+ *
+ * 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 the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: boot1.c,v 1.1 2003/04/16 22:17:44 dsl Exp $");
+
+#include <lib/libsa/stand.h>
+#include <lib/libkern/libkern.h>
+#include <biosdisk_ll.h>
+
+#include <sys/param.h>
+#include <sys/bootblock.h>
+
+static uint32_t bios_dev;
+static uint32_t bios_sector;
+
+struct biosdisk_ll d;
+
+const char *boot1(uint32_t biosdev, uint32_t sector);
+extern void putstr(const char *);
+
+const char *
+boot1(uint32_t biosdev, uint32_t sector)
+{
+ struct stat sb;
+ int fd;
+
+ bios_sector = sector;
+ bios_dev = biosdev;
+ d.dev = biosdev;
+
+ putstr("\r\nNetBSD/i386 Primary Bootstrap\r\n");
+
+ if (set_geometry(&d, NULL))
+ return "set_geometry\r\n";
+
+ fd = open("boot", 0);
+ if (fd == -1 || fstat(fd, &sb) == -1)
+ return "Can't open /boot.\r\n";
+
+#if 0
+ if (sb.st_size > SECONDARY_MAX_LOAD)
+ return "/boot too large.\r\n";
+#endif
+
+ if (read(fd, (void *)SECONDARY_LOAD_ADDRESS, sb.st_size) != sb.st_size)
+ return "/boot load failed.\r\n";
+
+ if (*(uint32_t *)(SECONDARY_LOAD_ADDRESS + 4) != X86_BOOT_MAGIC_2)
+ return "Invalid /boot file format.\r\n";
+
+ /* We need to jump to the secondary bootstrap in realmode */
+ return 0;
+}
+
+int
+blkdevstrategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize)
+{
+ if (flag != F_READ)
+ return EROFS;
+
+ if (size & (BIOSDISK_SECSIZE - 1))
+ return EINVAL;
+
+ if (rsize)
+ *rsize = size;
+
+ if (size != 0 && readsects(&d, bios_sector + dblk,
+ size / BIOSDISK_SECSIZE, buf, 1) != 0)
+ return EIO;
+
+ return 0;
+}
diff -r 143fc81ced06 -r 262db74854e5 sys/arch/i386/stand/bootxx/boot_params.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/bootxx/boot_params.S Wed Apr 16 22:16:36 2003 +0000
@@ -0,0 +1,9 @@
+/* $NetBSD: boot_params.S,v 1.1 2003/04/16 22:17:44 dsl Exp $ */
+
+/* Default boot parameters */
+
+ .long 0 /* flags */
+ .long 5 /* timeout in seconds */
+ .long 0 /* console device 0 => CONSDEV_PC */
+ .long 9600 /* serial baud rate */
+ .space 16 /* md5 boot password */
diff -r 143fc81ced06 -r 262db74854e5 sys/arch/i386/stand/bootxx/bootxx.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/bootxx/bootxx.S Wed Apr 16 22:16:36 2003 +0000
@@ -0,0 +1,128 @@
+/* $NetBSD: bootxx.S,v 1.1 2003/04/16 22:17:44 dsl Exp $ */
+
+/*-
+ * Copyright (c) 2003 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by David Laight.
+ *
+ * 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
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