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https://github.com/freebsd/freebsd-src
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108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id: main.c,v 1.7 1994/10/24 03:30:55 paul Exp $
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <setjmp.h>
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#include <fcntl.h>
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#include <dialog.h>
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#include <sys/ioctl.h>
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#include <sys/reboot.h>
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#define EXTERN /* only in main.c */
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#include "sysinstall.h"
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jmp_buf jmp_restart;
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/*
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* This is the overall plan: (phk's version)
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*
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* If (pid == 1)
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* reopen stdin, stdout, stderr, and do various other magic.
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*
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* If (file exists /this_is_boot.flp)
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* stage0:
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* present /README
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* stage1:
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* Ask about diskallocation and do the fdisk/disklabel stunt.
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* stage2:
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* Do newfs, mount and copy over a minimal world.
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* make /mnt/etc/fstab. Install ourself as /mnt/sbin/init
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* Else
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* stage3:
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* Read cpio.flp and fiddle around with the bits a bit.
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* stage4:
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* Read bin-tarballs:
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* Using ftp
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* Using NFS (?)
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* Using floppy
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* Using tape
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* Using shell-prompt
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* stage5:
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* Extract bin-tarballs
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* stage6:
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* Ask various questions and collect answers into system-config
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* files.
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* stage7:
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* execl("/sbin/init");
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*/
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extern int alloc_memory();
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int
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main(int argc, char **argv)
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{
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int i;
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/* Are we running as init? */
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if (getpid() == 1) {
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close(0); open("/dev/console",O_RDWR);
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close(1); dup(0);
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close(2); dup(0);
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i = 1;
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ioctl(0,TIOCSPGRP,&i);
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setlogin("root");
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}
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if (set_termcap() == -1) {
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Fatal("Can't find terminal entry\n");
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}
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/* XXX too early to use fatal ! */
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/* XXX - libdialog has particularly bad return value checking */
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init_dialog();
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/* If we haven't crashed I guess dialog is running ! */
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dialog_active = 1;
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if (alloc_memory() < 0)
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Fatal("No memory\n");
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setjmp(jmp_restart); /* XXX Allow people to "restart" */
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if (getenv("STAGE0") || !access("/this_is_boot_flp",R_OK)) {
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stage0();
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stage1();
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stage2();
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reboot(RB_AUTOBOOT);
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} else {
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stage3();
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stage4();
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stage5();
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}
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return 0;
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}
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