made boot/ into hierarchy of programs
work of Antoine Leca
This commit is contained in:
Ben Gras
parent
e969b5e11b
commit
455b809b17
24 changed files with 157 additions and 1944 deletions
100
boot/Makefile
100
boot/Makefile
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@ -1,97 +1,17 @@
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# Makefile for the boot monitor package.
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# XXX: Can only be built with ACK currently
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CC:=${CC:C/^.*gcc/cc/}
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COMPILER_TYPE:=ack
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.include <bsd.own.mk>
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PROGS= bootblock cdbootblock boot masterboot \
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jumpboot installboot edparams dosboot mkfile
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# 16-bit code; various boot blocks
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SUBDIR= masterboot bootblock cdbootblock
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SRCS.bootblock= bootblock.s
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CPPFLAGS.bootblock.s= ${I86CPPFLAGS}
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LDFLAGS.bootblock= ${I86LDFLAGS}
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BINDIR.bootblock= /usr/mdec
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MAN.bootblock=
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# Supplementary MBR code (alternate to masterboot)
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SUBDIR+= jumpboot
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SRCS.cdbootblock= cdbootblock.s
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CPPFLAGS.cdbootblock.s= ${I86CPPFLAGS} -DCDBOOT
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LDFLAGS.cdbootblock= ${I86LDFLAGS}
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BINDIR.cdbootblock= /usr/mdec
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MAN.cdbootblock=
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# 16-bit code; needs the i86 ACK library
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SUBDIR+= boot
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SRCS.boot= boothead.s boot.c bootimage.c rawfs86.c
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CPPFLAGS.boothead.s= ${I86CPPFLAGS}
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CPPFLAGS.boot.c= ${I86CPPFLAGS}
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CPPFLAGS.bootimage.c= ${I86CPPFLAGS}
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CPPFLAGS.rawfs86.c= ${I86CPPFLAGS}
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LDFLAGS.boot= ${I86LDFLAGS}
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DPADD.boot= ${LIBSYS}
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LDADD.boot= -lsys
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BINDIR.boot= /usr/mdec
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MAN.boot=
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# Userland MINIX code
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SUBDIR+= installboot edparams
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realall: .PHONY bootsize
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bootsize: boot
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${INSTALL} -S 22kb boot
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SRCS.masterboot= masterboot.s
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CPPFLAGS.masterboot.s= ${I86CPPFLAGS}
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LDFLAGS.masterboot= ${I86LDFLAGS}
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BINDIR.masterboot= /usr/mdec
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MAN.masterboot=
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SRCS.jumpboot= jumpboot.s
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CPPFLAGS.jumpboot.s= ${I86CPPFLAGS}
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LDFLAGS.jumpboot= ${I86LDFLAGS}
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BINDIR.jumpboot= /usr/mdec
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MAN.jumpboot=
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SRCS.installboot= installboot.c rawfs.c
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BINDIR.installboot= /usr/bin
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MAN.installboot=
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SRCS.edparams= edparams.c rawfs.c
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CPPFLAGS.edparams.c= -DUNIX
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BINDIR.edparams= /usr/bin
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MAN.edparams=
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SRCS.dosboot= doshead.s dosboot.o bootimage.o rawfs86.o
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CPPFLAGS.dosboot.c= -DDOS $(I86CPPFLAGS)
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LDADD.dosboot= ${I86LDFLAGS} -lsys
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BINDIR.dosboot= /usr/mdec
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CPPFLAGS.doshead.s= -mi386
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MAN.dosboot=
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SRCS.mkfile= mkfhead.s mkfile.c
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CPPFLAGS.mkfile.s= ${I86CPPFLAGS}
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LDADD.mkfile= ${I86LDFLAGS} -lsys
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BINDIR.mkfile= /usr/mdec
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MAN.mkfile=
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rawfs86.c: rawfs.c
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ln -f rawfs.c rawfs86.c
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edparams.c: boot.c
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ln -f boot.c edparams.c
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dosboot.c: boot.c
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ln -f boot.c dosboot.c
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cdbootblock.s: bootblock.s
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ln -f bootblock.s cdbootblock.s
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mkfile.com: mkfile
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boot.com: dosboot
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./a.out2com dosboot boot.com
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CPPFLAGS= -I${MINIXSRCDIR}
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AFLAGS= -I${MINIXSRCDIR}
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I86CPPFLAGS= -mi86 -Was-ncc
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I86LDFLAGS= -mi86 -Was-ncc -.o -com
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STRIPFLAG= -s
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CLEANFILES+= rawfs86.c edparams.c cdbootblock.s dosboot.c
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.include <bsd.prog.mk>
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.include <bsd.subdir.mk>
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@ -1,25 +0,0 @@
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#!/bin/sh
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#
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# a.out2com - Minix a.out to DOS .COM Author: Kees J. Bot
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# 17 Jun 1995
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# Transform a Minix a.out to the COM format of MS-DOS,
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# the executable must be common I&D with 256 scratch bytes at the start of
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# the text segment to make space for the Program Segment Prefix. The Minix
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# a.out header and these 256 bytes are removed to make a COM file.
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case $# in
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2) aout="$1"
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com="$2"
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;;
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*) echo "Usage: $0 <a.out> <dos.com>" >&2
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exit 1
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esac
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size "$aout" >/dev/null || exit
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set `size "$aout" | sed 1d`
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count=`expr \( $1 + $2 - 256 + 31 \) / 32`
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exec dd if="$aout" of="$com" bs=32 skip=9 count=$count conv=silent
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#
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# $PchId: a.out2com,v 1.3 1998/08/01 09:13:01 philip Exp $
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128
boot/addaout.c
128
boot/addaout.c
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@ -1,128 +0,0 @@
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/* A small utility to append an a.out header to an arbitrary file. This allows
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* inclusion of arbitrary data in the boot image, so that it is magically
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* loaded as a RAM disk. The a.out header is structured as follows:
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*
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* a_flags: A_IMG to indicate this is not an executable
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*
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* Created: April 2005, Jorrit N. Herder
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <a.out.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <unistd.h>
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#define INPUT_FILE 1
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#define OUTPUT_FILE 2
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/* Report problems. */
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static void report(const char *problem, const char *message)
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{
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fprintf(stderr, "%s:\n", problem);
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fprintf(stderr, " %s\n\n", message);
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}
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static int copy_data(int srcfd, int dstfd)
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{
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char buf[8192];
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ssize_t n;
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int total=0;
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/** FIXME: handle error from read() */
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/* Copy the little bytes themselves. (Source from cp.c). */
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while ((n= read(srcfd, buf, sizeof(buf))) > 0) {
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char *bp = buf;
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ssize_t r = 0;
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/** FIXME: handle error from write() */
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while (n > 0 && (r= write(dstfd, bp, n)) > 0) {
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bp += r;
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n -= r;
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total += r;
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}
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if (r == 0) {
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fprintf(stderr, "Warning: EOF writing to output file.\n");
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return(-1);
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}
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}
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return(total);
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}
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/* Main program. */
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int main(int argc, char **argv)
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{
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struct exec aout;
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struct stat stin;
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int fdin, fdout;
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char * bp;
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int n,r;
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int total_size;
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/* Check if command line arguments are present, or print usage. */
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if (argc!=3) {
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printf("Invalid arguments. Usage:\n");
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printf(" %s <input_file> <output_file>\n",argv[0]);
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return(1);
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}
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/* Check if we can open the input and output file. */
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if (stat(argv[INPUT_FILE], &stin) != 0) {
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report("Couldn't get status of input file", strerror(errno));
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return(1);
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}
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if ((fdin = open(argv[INPUT_FILE], O_RDONLY)) < 0) {
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report("Couldn't open input file", strerror(errno));
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return(1);
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}
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if ((fdout = open(argv[OUTPUT_FILE], O_WRONLY|O_CREAT|O_TRUNC,
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stin.st_mode & 0777)) < 0) {
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report("Couldn't open output file", strerror(errno));
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return(1);
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}
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/* Copy input file to output file, but leave space for a.out header. */
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lseek(fdout, sizeof(aout), SEEK_SET);
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total_size = copy_data(fdin, fdout);
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if (total_size < 0) {
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report("Aborted", "Output file may be truncated.");
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return(1);
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} else if (total_size == 0) {
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report("Aborted without prepending header", "No data in input file.");
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return(1);
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}
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/* Build a.out header and write to output file. */
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memset(&aout, 0, sizeof(struct exec));
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aout.a_magic[0] = A_MAGIC0;
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aout.a_magic[1] = A_MAGIC1;
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aout.a_flags |= A_IMG;
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aout.a_hdrlen = sizeof(aout);
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aout.a_text = 0;
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aout.a_data = total_size;
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aout.a_bss = 0;
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aout.a_total = aout.a_hdrlen + aout.a_data;
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bp = (char *) &aout;
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n = sizeof(aout);
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lseek(fdout, 0L, SEEK_SET);
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while (n > 0 && (r= write(fdout, bp, n)) > 0) {
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bp += r;
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n -= r;
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}
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printf("Prepended data file (%d bytes) with a.out header (%u bytes).\n",
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total_size, sizeof(aout));
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printf("Done.\n");
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return(0);
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}
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27
boot/boot/Makefile
Normal file
27
boot/boot/Makefile
Normal file
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@ -0,0 +1,27 @@
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# boot monitor: runs in 16-bit mode
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.include <bsd.own.mk>
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# XXX: Can only be built with ACK currently
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.include "${.CURDIR}/../minix.ack16.mk"
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AFLAGS+= -Was-ncc
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#LDFLAGS+= -stack 12kb
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STRIPFLAG= -s
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LIBDIR?= /usr/lib/i86
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PROG= boot
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SRCS= boothead.s boot.c bootimage.c rawfs.c
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.PATH: ${.CURDIR}/..
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CPPFLAGS+= -I${MINIXSRCDIR} -I${.CURDIR} -I${.CURDIR}/..
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DPADD+= ${LIBSYS} # for kprintf, kmalloc
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LDADD+= -lsys
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BINDIR= /usr/mdec
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MAN=
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.include <bsd.prog.mk>
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realall: .PHONY bootsize
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bootsize: boot
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${INSTALL} -S 12kb boot
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19
boot/bootblock/Makefile
Normal file
19
boot/bootblock/Makefile
Normal file
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@ -0,0 +1,19 @@
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# bootblock: secondary boot code, still 16-bit mode
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.include <bsd.own.mk>
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# XXX: Can only be built with ACK currently
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.include "${MINIXSRCDIR}/boot/minix.ack16.mk"
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AFLAGS+= -Was-ncc
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STRIPFLAG= -s
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PROG= bootblock
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SRCS= bootblock.s
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BINDIR= /usr/mdec
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MAN=
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LIBC= # defined, to silence bsd.*.mk
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.include <bsd.prog.mk>
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21
boot/cdbootblock/Makefile
Normal file
21
boot/cdbootblock/Makefile
Normal file
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@ -0,0 +1,21 @@
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# cdbootblock: secondary boot code, when booting from cd-rom
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.include <bsd.own.mk>
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# XXX: Can only be built with ACK currently
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.include "${MINIXSRCDIR}/boot/minix.ack16.mk"
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AFLAGS+= -Was-ncc
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STRIPFLAG= -s
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PROG= cdbootblock
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SRCS= bootblock.s
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.PATH: ${.CURDIR}/../bootblock
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CPPFLAGS+= -DCDBOOT
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BINDIR= /usr/mdec
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MAN=
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LIBC= # defined, to silence bsd.*.mk
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.include <bsd.prog.mk>
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1380
boot/doshead.s
1380
boot/doshead.s
File diff suppressed because it is too large
Load diff
12
boot/edparams/Makefile
Normal file
12
boot/edparams/Makefile
Normal file
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@ -0,0 +1,12 @@
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# edparams: customize boot; runs on both installer's and user's machines
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PROG= edparams
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BINDIR= /usr/bin
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SRCS= boot.c rawfs.c
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.PATH: ${.CURDIR}/../boot ${.CURDIR}/..
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CPPFLAGS= -DUNIX -I${MINIXSRCDIR} -I${.CURDIR}/..
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MAN= # monitor.8
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.include <bsd.prog.mk>
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12
boot/installboot/Makefile
Normal file
12
boot/installboot/Makefile
Normal file
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@ -0,0 +1,12 @@
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# installboot: install the boot package; runs on the installer's machine
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PROG= installboot
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BINDIR= /usr/bin
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SRCS= installboot.c rawfs.c
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.PATH: ${.CURDIR}/..
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CPPFLAGS= -I${MINIXSRCDIR} -I${.CURDIR}/..
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MAN= # installboot.8
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.include <bsd.prog.mk>
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19
boot/jumpboot/Makefile
Normal file
19
boot/jumpboot/Makefile
Normal file
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@ -0,0 +1,19 @@
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# jumpboot: supplementary MBR code (alternate to masterboot)
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.include <bsd.own.mk>
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# XXX: Can only be built with ACK currently
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.include "${MINIXSRCDIR}/boot/minix.ack16.mk"
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AFLAGS+= -Was-ncc
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STRIPFLAG= -s
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PROG= jumpboot
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SRCS= jumpboot.s
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|
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BINDIR= /usr/mdec
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MAN=
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|
||||
LIBC= # defined, to silence bsd.*.mk
|
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|
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.include <bsd.prog.mk>
|
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20
boot/masterboot/Makefile
Normal file
20
boot/masterboot/Makefile
Normal file
|
|
@ -0,0 +1,20 @@
|
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# masterboot: MBR code, first to run, 16-bit mode
|
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|
||||
.include <bsd.own.mk>
|
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|
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# XXX: Can only be built with ACK currently
|
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.include "${MINIXSRCDIR}/boot/minix.ack16.mk"
|
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AFLAGS+= -Was-ncc
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STRIPFLAG= -s
|
||||
|
||||
|
||||
PROG= masterboot
|
||||
|
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SRCS= masterboot.s
|
||||
|
||||
BINDIR= /usr/mdec
|
||||
MAN=
|
||||
|
||||
LIBC= # defined, to silence bsd.*.mk
|
||||
|
||||
.include <bsd.prog.mk>
|
||||
11
boot/minix.ack16.mk
Normal file
11
boot/minix.ack16.mk
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
# Makefile fragment to use Ack compiler (16-bit i86 target)
|
||||
ARCH= i86
|
||||
LIBDIR= /usr/lib/i86 # force
|
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|
||||
CC:=${CC:C/.*[gp]cc/cc/:C/clang/cc/}
|
||||
AR=aal
|
||||
COMPILER_TYPE=ack
|
||||
OBJECT_FMT=a.out
|
||||
CPPFLAGS+= -mi86
|
||||
AFLAGS+= -mi86
|
||||
LDFLAGS+= -mi86 -.o -com # no crtso, common I+D
|
||||
137
boot/mkfhead.s
137
boot/mkfhead.s
|
|
@ -1,137 +0,0 @@
|
|||
! Mkfhead.s - DOS & BIOS support for mkfile.c Author: Kees J. Bot
|
||||
! 9 May 1998
|
||||
!
|
||||
! This file contains the startup and low level support for the MKFILE.COM
|
||||
! utility. See doshead.ack.s for more comments on .COM files.
|
||||
!
|
||||
.sect .text; .sect .rom; .sect .data; .sect .bss
|
||||
.sect .text
|
||||
|
||||
.define _PSP
|
||||
_PSP:
|
||||
.space 256 ! Program Segment Prefix
|
||||
|
||||
mkfile:
|
||||
cld ! C compiler wants UP
|
||||
xor ax, ax ! Zero
|
||||
mov di, _edata ! Start of bss is at end of data
|
||||
mov cx, _end ! End of bss (begin of heap)
|
||||
sub cx, di ! Number of bss bytes
|
||||
shr cx, 1 ! Number of words
|
||||
rep stos ! Clear bss
|
||||
|
||||
xor cx, cx ! cx = argc
|
||||
xor bx, bx
|
||||
push bx ! argv[argc] = NULL
|
||||
movb bl, (_PSP+0x80) ! Argument byte count
|
||||
0: movb _PSP+0x81(bx), ch ! Null terminate
|
||||
dec bx
|
||||
js 9f
|
||||
cmpb _PSP+0x81(bx), 0x20 ! Whitespace?
|
||||
jbe 0b
|
||||
1: dec bx ! One argument character
|
||||
js 2f
|
||||
cmpb _PSP+0x81(bx), 0x20 ! More argument characters?
|
||||
ja 1b
|
||||
2: lea ax, _PSP+0x81+1(bx) ! Address of argument
|
||||
push ax ! argv[n]
|
||||
inc cx ! argc++;
|
||||
test bx, bx
|
||||
jns 0b ! More arguments?
|
||||
9: movb _PSP+0x81(bx), ch ! Make a null string
|
||||
lea ax, _PSP+0x81(bx)
|
||||
push ax ! to use as argv[0]
|
||||
inc cx ! Final value of argc
|
||||
mov ax, sp
|
||||
push ax ! argv
|
||||
push cx ! argc
|
||||
call _main ! main(argc, argv)
|
||||
push ax
|
||||
call _exit ! exit(main(argc, argv))
|
||||
|
||||
! int creat(const char *path, mode_t mode)
|
||||
! Create a file with the old creat() call.
|
||||
.define _creat
|
||||
_creat:
|
||||
mov bx, sp
|
||||
mov dx, 2(bx) ! Filename
|
||||
xor cx, cx ! Ignore mode, always read-write
|
||||
movb ah, 0x3C ! "CREAT"
|
||||
dos: int 0x21 ! ax = creat(path, 0666);
|
||||
jc seterrno
|
||||
ret
|
||||
|
||||
seterrno:
|
||||
mov (_errno), ax ! Set errno to the DOS error code
|
||||
mov ax, -1
|
||||
cwd ! return -1L;
|
||||
ret
|
||||
|
||||
! int open(const char *path, int oflag)
|
||||
! Open a file with the oldfashioned two-argument open() call.
|
||||
.define _open
|
||||
_open:
|
||||
mov bx, sp
|
||||
mov dx, 2(bx) ! Filename
|
||||
movb al, 4(bx) ! O_RDONLY, O_WRONLY, O_RDWR
|
||||
movb ah, 0x3D ! "OPEN"
|
||||
jmp dos
|
||||
|
||||
! int close(int fd)
|
||||
! Close an open file.
|
||||
.define _close
|
||||
_close:
|
||||
mov bx, sp
|
||||
mov bx, 2(bx) ! bx = file handle
|
||||
movb ah, 0x3E ! "CLOSE"
|
||||
jmp dos
|
||||
|
||||
! void exit(int status)
|
||||
! void _exit(int status)
|
||||
! Return to DOS.
|
||||
.define _exit, __exit, ___exit
|
||||
_exit:
|
||||
__exit:
|
||||
___exit:
|
||||
pop ax
|
||||
pop ax ! al = status
|
||||
movb ah, 0x4C ! "EXIT"
|
||||
int 0x21
|
||||
hlt
|
||||
|
||||
! ssize_t read(int fd, void *buf, size_t n)
|
||||
! Read bytes from an open file.
|
||||
.define _read
|
||||
_read:
|
||||
mov bx, sp
|
||||
mov cx, 6(bx)
|
||||
mov dx, 4(bx)
|
||||
mov bx, 2(bx)
|
||||
movb ah, 0x3F ! "READ"
|
||||
jmp dos
|
||||
|
||||
! ssize_t write(int fd, const void *buf, size_t n)
|
||||
! Write bytes to an open file.
|
||||
.define _write
|
||||
_write:
|
||||
mov bx, sp
|
||||
mov cx, 6(bx)
|
||||
mov dx, 4(bx)
|
||||
mov bx, 2(bx)
|
||||
movb ah, 0x40 ! "WRITE"
|
||||
jmp dos
|
||||
|
||||
! off_t lseek(int fd, off_t offset, int whence)
|
||||
! Set file position for read or write.
|
||||
.define _lseek
|
||||
_lseek:
|
||||
mov bx, sp
|
||||
movb al, 8(bx) ! SEEK_SET, SEEK_CUR, SEEK_END
|
||||
mov dx, 4(bx)
|
||||
mov cx, 6(bx) ! cx:dx = offset
|
||||
mov bx, 2(bx)
|
||||
movb ah, 0x42 ! "LSEEK"
|
||||
jmp dos
|
||||
|
||||
!
|
||||
! $PchId: mkfhead.ack.s,v 1.3 1999/01/14 21:17:06 philip Exp $
|
||||
179
boot/mkfile.c
179
boot/mkfile.c
|
|
@ -1,179 +0,0 @@
|
|||
/* mkfile 1.0 - create a file under DOS for use as a Minix "disk".
|
||||
* Author: Kees J. Bot
|
||||
* 9 May 1998
|
||||
*/
|
||||
#define nil 0
|
||||
#include <sys/types.h>
|
||||
#include <string.h>
|
||||
#include <limits.h>
|
||||
|
||||
/* Stuff normally found in <unistd.h>, <errno.h>, etc. */
|
||||
extern int errno;
|
||||
int creat(const char *file, int mode);
|
||||
int open(const char *file, int oflag);
|
||||
off_t lseek(int fd, off_t offset, int whence);
|
||||
ssize_t write(int fd, const char *buf, size_t len);
|
||||
void exit(int status);
|
||||
int printf(const char *fmt, ...);
|
||||
|
||||
#define O_WRONLY 1
|
||||
#define SEEK_SET 0
|
||||
#define SEEK_END 2
|
||||
|
||||
/* Kernel printf requires a putk() function. */
|
||||
void putk(int c)
|
||||
{
|
||||
char ch = c;
|
||||
|
||||
if (c == 0) return;
|
||||
if (c == '\n') putk('\r');
|
||||
(void) write(2, &ch, 1);
|
||||
}
|
||||
|
||||
static void usage(void)
|
||||
{
|
||||
printf("Usage: mkfile <size>[gmk] <file>\n"
|
||||
"(Example sizes, all 50 meg: 52428800, 51200k, 50m)\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
char *strerror(int err)
|
||||
/* Translate some DOS error numbers to text. */
|
||||
{
|
||||
static struct errlist {
|
||||
int err;
|
||||
char *what;
|
||||
} errlist[] = {
|
||||
{ 0, "No error" },
|
||||
{ 1, "Function number invalid" },
|
||||
{ 2, "File not found" },
|
||||
{ 3, "Path not found" },
|
||||
{ 4, "Too many open files" },
|
||||
{ 5, "Access denied" },
|
||||
{ 6, "Invalid handle" },
|
||||
{ 12, "Access code invalid" },
|
||||
{ 39, "Insufficient disk space" },
|
||||
};
|
||||
struct errlist *ep;
|
||||
static char unknown[]= "Error 65535";
|
||||
unsigned e;
|
||||
char *p;
|
||||
|
||||
for (ep= errlist; ep < errlist + sizeof(errlist)/sizeof(errlist[0]);
|
||||
ep++) {
|
||||
if (ep->err == err) return ep->what;
|
||||
}
|
||||
p= unknown + sizeof(unknown) - 1;
|
||||
e= err;
|
||||
do *--p= '0' + (e % 10); while ((e /= 10) > 0);
|
||||
strcpy(unknown + 6, p);
|
||||
return unknown;
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
static char buf[512];
|
||||
unsigned long size, mul;
|
||||
off_t offset;
|
||||
char *cp;
|
||||
int fd;
|
||||
char *file;
|
||||
|
||||
if (argc != 3) usage();
|
||||
|
||||
cp= argv[1];
|
||||
size= 0;
|
||||
while ((unsigned) (*cp - '0') < 10) {
|
||||
unsigned d= *cp++ - '0';
|
||||
if (size <= (ULONG_MAX-9) / 10) {
|
||||
size= size * 10 + d;
|
||||
} else {
|
||||
size= ULONG_MAX;
|
||||
}
|
||||
}
|
||||
if (cp == argv[1]) usage();
|
||||
while (*cp != 0) {
|
||||
mul = 1;
|
||||
switch (*cp++) {
|
||||
case 'G':
|
||||
case 'g': mul *= 1024;
|
||||
case 'M':
|
||||
case 'm': mul *= 1024;
|
||||
case 'K':
|
||||
case 'k': mul *= 1024;
|
||||
case 'B':
|
||||
case 'b': break;
|
||||
default: usage();
|
||||
}
|
||||
if (size <= ULONG_MAX / mul) {
|
||||
size *= mul;
|
||||
} else {
|
||||
size= ULONG_MAX;
|
||||
}
|
||||
}
|
||||
|
||||
if (size > 1024L*1024*1024) {
|
||||
printf("mkfile: A file size over 1G is a bit too much\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Open existing file, or create a new file. */
|
||||
file= argv[2];
|
||||
if ((fd= open(file, O_WRONLY)) < 0) {
|
||||
if (errno == 2) {
|
||||
fd= creat(file, 0666);
|
||||
}
|
||||
}
|
||||
if (fd < 0) {
|
||||
printf("mkfile: Can't open %s: %s\n", file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* How big is the file now? */
|
||||
if ((offset= lseek(fd, 0, SEEK_END)) == -1) {
|
||||
printf("mkfile: Can't seek in %s: %s\n", file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (offset == 0 && size == 0) exit(0); /* Huh? */
|
||||
|
||||
/* Write the first bit if the file is zero length. This is necessary
|
||||
* to circumvent a DOS bug by extending a new file by lseek. We also
|
||||
* want to make sure there are zeros in the first sector.
|
||||
*/
|
||||
if (offset == 0) {
|
||||
if (write(fd, buf, sizeof(buf)) == -1) {
|
||||
printf("mkfile: Can't write to %s: %s\n",
|
||||
file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
/* Seek to the required size and write 0 bytes to extend/truncate the
|
||||
* file to that size.
|
||||
*/
|
||||
if (lseek(fd, size, SEEK_SET) == -1) {
|
||||
printf("mkfile: Can't seek in %s: %s\n", file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
if (write(fd, buf, 0) == -1) {
|
||||
printf("mkfile: Can't write to %s: %s\n",
|
||||
file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Did the file become the required size? */
|
||||
if ((offset= lseek(fd, 0, SEEK_END)) == -1) {
|
||||
printf("mkfile: Can't seek in %s: %s\n", file, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
if (offset != size) {
|
||||
printf("mkfile: Failed to extend %s. Disk full?\n", file);
|
||||
exit(1);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* $PchId: mkfile.c,v 1.4 2000/08/13 22:06:40 philip Exp $
|
||||
*/
|
||||
|
|
@ -1,6 +1,7 @@
|
|||
#!/bin/sh
|
||||
set -e
|
||||
|
||||
MDEC=/usr/mdec
|
||||
BOOT=/boot/boot
|
||||
ROOT=`printroot -r`
|
||||
|
||||
|
|
@ -20,8 +21,8 @@ fi
|
|||
make install || true
|
||||
|
||||
echo Installing boot monitor into $BOOT.
|
||||
cp boot $BOOT
|
||||
cp $MDEC/boot $BOOT
|
||||
|
||||
echo Patching position of $BOOT into $ROOT.
|
||||
installboot -d "$ROOT" /usr/mdec/bootblock $BOOT
|
||||
installboot -d "$ROOT" $MDEC/bootblock $BOOT
|
||||
sync
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ rm revision
|
|||
rm /boot/image/*
|
||||
make install
|
||||
cp /boot/image/* /boot/image_big # Make big image accessible by this name
|
||||
cp ../boot/boot /boot/boot
|
||||
cp ../boot/boot/boot /boot/boot
|
||||
cd /usr/src
|
||||
if [ $MAKEMAP -ne 0 ]; then
|
||||
find . -type f -perm 755 | xargs nm -n 2> /dev/null > symbols.txt
|
||||
|
|
|
|||
|
|
@ -167,7 +167,7 @@ RELEASEDIR=/usr/r-staging
|
|||
RELEASEMNTDIR=/usr/r
|
||||
RELEASEPACKAGE=${RELEASEDIR}/usr/install/packages
|
||||
|
||||
IMAGE=../boot/cdbootblock
|
||||
IMAGE=../boot/cdbootblock/cdbootblock
|
||||
ROOTIMAGE=rootimage
|
||||
CDFILES=/usr/tmp/cdreleasefiles
|
||||
sh tell_config OS_RELEASE . OS_VERSION >/tmp/rel.$$
|
||||
|
|
@ -528,7 +528,7 @@ fi
|
|||
if [ "$USB" -ne 0 ]; then
|
||||
mv $bootimage $IMG
|
||||
else
|
||||
cp ../boot/boot $CDFILES
|
||||
cp ../boot/boot/boot $CDFILES
|
||||
writeisofs -s0x0 -l MINIX -a boot -b $bootimage $boottype $CDFILES $IMG || exit 1
|
||||
|
||||
if [ "$HDEMU" -eq 0 ]
|
||||
|
|
|
|||
Loading…
Reference in a new issue