1 /* $OpenBSD: exec_i386.c,v 1.28 2003/06/03 20:22:11 mickey Exp $ */ 2 3 /* 4 * Copyright (c) 1997-1998 Michael Shalayeff 5 * Copyright (c) 1997 Tobias Weingartner 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #include <sys/param.h> 32 #include <dev/cons.h> 33 #include <stand/boot/bootarg.h> 34 #include <machine/biosvar.h> 35 #include <sys/disklabel.h> 36 #include "disk.h" 37 #include "libsa.h" 38 #include <lib/libsa/loadfile.h> 39 40 typedef void (*startfuncp)(int, int, int, int, int, int, int, int) 41 __attribute__ ((noreturn)); 42 43 void 44 run_loadfile(u_long *marks, int howto) 45 { 46 u_long entry; 47 #ifndef _TEST 48 #ifdef EXEC_DEBUG 49 extern int debug; 50 #endif 51 dev_t bootdev = bootdev_dip->bootdev; 52 size_t ac = BOOTARG_LEN; 53 caddr_t av = (caddr_t)BOOTARG_OFF; 54 bios_consdev_t cd; 55 extern int com_speed; /* from bioscons.c */ 56 57 cd.consdev = cn_tab->cn_dev; 58 cd.conspeed = com_speed; 59 addbootarg(BOOTARG_CONSDEV, sizeof(cd), &cd); 60 61 /* Pass memory map to the kernel */ 62 mem_pass(); 63 64 makebootargs(av, &ac); 65 66 entry = marks[MARK_ENTRY] & 0x0fffffff; 67 68 printf("entry point at 0x%x\n", (int) entry); 69 /* stack and the gung is ok at this point, so, no need for asm setup */ 70 (*(startfuncp)entry)(howto, bootdev, BOOTARG_APIVER, 71 marks[MARK_END], extmem, cnvmem, ac, (int)av); 72 /* not reached */ 73 #endif 74 } 75