diff options
Diffstat (limited to 'sys/i386/boot/serialboot/boot.c')
| -rw-r--r-- | sys/i386/boot/serialboot/boot.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/sys/i386/boot/serialboot/boot.c b/sys/i386/boot/serialboot/boot.c deleted file mode 100644 index 06bd6ba38144..000000000000 --- a/sys/i386/boot/serialboot/boot.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1992, 1991 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - * - * from: Mach, [92/04/03 16:51:14 rvb] - * $Id: boot.c,v 1.22 1994/11/07 11:26:26 davidg Exp $ - */ - - -/* - Copyright 1988, 1989, 1990, 1991, 1992 - by Intel Corporation, Santa Clara, California. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and -its documentation for any purpose and without fee is hereby -granted, provided that the above copyright notice appears in all -copies and that both the copyright notice and this permission notice -appear in supporting documentation, and that the name of Intel -not be used in advertising or publicity pertaining to distribution -of the software without specific, written prior permission. - -INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE -INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, -IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR -CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, -NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION -WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include <sys/param.h> -#include "boot.h" -#include <a.out.h> -#include <sys/reboot.h> -#include <machine/bootinfo.h> - -struct exec head; -struct bootinfo_t bootinfo; -char *name; -char *names[] = { - "/kernel" -}; -#define NUMNAMES (sizeof(names)/sizeof(char *)) - -extern void init_serial(void); -extern int end; -boot(drive) -int drive; -{ - int loadflags, currname = 0, ret; - char *t; - - init_serial(); - - printf("\n>> FreeBSD BOOT @ 0x%x: %d/%d k of memory\n", - ouraddr, - memsize(0), - memsize(1)); - printf("Use hd(1,a)/kernel to boot sd0 when wd0 is also installed.\n"); - printf("Usage: [[[%s(0,a)]%s][-s][-r][-a][-c][-d][-b]]\nUse ? for file list.\n\n" - , devs[(drive & 0x80) ? 0 : 2] - , names[0]); - gateA20(); -loadstart: - /***************************************************************\ - * As a default set it to the first partition of the first * - * floppy or hard drive * - \***************************************************************/ - part = unit = 0; - maj = (drive&0x80 ? 0 : 2); /* a good first bet */ - name = names[currname++]; - - loadflags = 0; - if (currname == NUMNAMES) - currname = 0; - printf("Boot: "); - getbootdev(&loadflags); - ret = openrd(); - if (ret != 0) { - if (ret > 0) - printf("Can't find %s\n", name); - goto loadstart; - } -/* if (inode.i_mode&IEXEC) - loadflags |= RB_KDB; -*/ - loadprog(loadflags); - goto loadstart; -} - -loadprog(howto) - int howto; -{ - long int startaddr; - long int addr; /* physical address.. not directly useable */ - long int bootdev; - long int total; - int i; - unsigned char tmpbuf[4096]; /* we need to load the first 4k here */ - - read(&head, sizeof(head)); - if ( N_BADMAG(head)) { - printf("Invalid format!\n"); - return; - } - - poff = N_TXTOFF(head); - /*if(poff==0) - poff = 32;*/ - - startaddr = (int)head.a_entry & 0x00FFFFFF; /* some MEG boundary */ - addr = startaddr; - printf("Booting %s(%d,%c)%s @ 0x%x\n" - , devs[maj] - , unit - , 'a'+part - , name - , addr); - if(addr < ouraddr) - { - if((addr + head.a_text + head.a_data) > ouraddr) - { - printf("kernel overlaps loader\n"); - return; - } - if((addr + head.a_text + head.a_data + head.a_bss) > 0xa0000) - { - printf("bss exceeds 640k limit\n"); - return; - } - } - printf("text=0x%x ", head.a_text); - /********************************************************/ - /* LOAD THE TEXT SEGMENT */ - /* don't clobber the first 4k yet (BIOS NEEDS IT) */ - /********************************************************/ - read(tmpbuf,4096); - addr += 4096; - xread(addr, head.a_text - 4096); - addr += head.a_text - 4096; - - /********************************************************/ - /* Load the Initialised data after the text */ - /********************************************************/ - while (addr & CLOFSET) - *(char *)addr++ = 0; - - printf("data=0x%x ", head.a_data); - xread(addr, head.a_data); - addr += head.a_data; - - /********************************************************/ - /* Skip over the uninitialised data */ - /* (but clear it) */ - /********************************************************/ - printf("bss=0x%x ", head.a_bss); - if( (addr < ouraddr) && ((addr + head.a_bss) > ouraddr)) - { - pbzero(addr,ouraddr - (int)addr); - } - else - { - pbzero(addr,head.a_bss); - } - addr += head.a_bss; - -#ifdef LOADSYMS /* not yet, haven't worked this out yet */ - if (addr > 0x100000) - { - /********************************************************/ - /*copy in the symbol header */ - /********************************************************/ - pcpy(&head.a_syms, addr, sizeof(head.a_syms)); - addr += sizeof(head.a_syms); - - /********************************************************/ - /* READ in the symbol table */ - /********************************************************/ - printf("symbols=[+0x%x", head.a_syms); - xread(addr, head.a_syms); - addr += head.a_syms; - - /********************************************************/ - /* Followed by the next integer (another header) */ - /* more debug symbols? */ - /********************************************************/ - read(&i, sizeof(int)); - pcpy(&i, addr, sizeof(int)); - i -= sizeof(int); - addr += sizeof(int); - - - /********************************************************/ - /* and that many bytes of (debug symbols?) */ - /********************************************************/ - printf("+0x%x] ", i); - xread(addr, i); - addr += i; - } -#endif LOADSYMS - /********************************************************/ - /* and note the end address of all this */ - /********************************************************/ - - total = ((addr+sizeof(int)-1))&~(sizeof(int)-1); - printf("total=0x%x ", total); - bootdev = (MAKEBOOTDEV(maj, 0, 0, unit, part)) ; - /****************************************************************/ - /* copy that first page and overwrite any BIOS variables */ - /****************************************************************/ - printf("entry point=0x%x\n" ,(int)startaddr); - /* Under no circumstances overwrite precious BIOS variables! */ - pcpy(tmpbuf, startaddr, 0x400); - pcpy(tmpbuf + 0x500, startaddr + 0x500, 4096 - 0x500); - bootinfo.version=1; - bootinfo.kernelname=(char *)((int)name + (BOOTSEG<<4)); - bootinfo.nfs_diskless=0; - startprog((int)startaddr, howto, bootdev, (int)&bootinfo+(BOOTSEG<<4)); - return; -} - -#define NAMEBUF_LEN 100 - -char namebuf[NAMEBUF_LEN]; -getbootdev(howto) - int *howto; -{ - char c, *ptr = namebuf; - if (gets(namebuf)) { - while (c=*ptr) { - while (c==' ') - c = *++ptr; - if (!c) - return; - if (c=='-') - while ((c = *++ptr) && c!=' ') - switch (c) { - case 'r': - *howto |= RB_DFLTROOT; continue; - case 'a': - *howto |= RB_ASKNAME; continue; - case 'c': - *howto |= RB_CONFIG; continue; - case 's': - *howto |= RB_SINGLE; continue; - case 'd': - *howto |= RB_KDB; continue; - case 'b': - *howto |= RB_HALT; continue; - } - else { - name = ptr; - while ((c = *++ptr) && c!=' '); - if (c) - *ptr++ = 0; - } - } - } else - printf("\n"); -} - |