Annotation of sys/arch/i386/stand/libsa/exec_i386.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: exec_i386.c,v 1.32 2007/07/27 17:46:56 tom 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: char *bootmac = NULL;
! 44:
! 45: void
! 46: run_loadfile(u_long *marks, int howto)
! 47: {
! 48: u_long entry;
! 49: #ifndef _TEST
! 50: dev_t bootdev = bootdev_dip->bootdev;
! 51: size_t ac = BOOTARG_LEN;
! 52: caddr_t av = (caddr_t)BOOTARG_OFF;
! 53: bios_consdev_t cd;
! 54: extern int com_speed; /* from bioscons.c */
! 55:
! 56: if (sa_cleanup != NULL)
! 57: (*sa_cleanup)();
! 58:
! 59: cd.consdev = cn_tab->cn_dev;
! 60: cd.conspeed = com_speed;
! 61: addbootarg(BOOTARG_CONSDEV, sizeof(cd), &cd);
! 62:
! 63: if (bootmac != NULL)
! 64: addbootarg(BOOTARG_BOOTMAC, sizeof(bios_bootmac_t), bootmac);
! 65:
! 66: /* Pass memory map to the kernel */
! 67: mem_pass();
! 68:
! 69: makebootargs(av, &ac);
! 70:
! 71: entry = marks[MARK_ENTRY] & 0x0fffffff;
! 72:
! 73: printf("entry point at 0x%x\n", (int) entry);
! 74: /* stack and the gung is ok at this point, so, no need for asm setup */
! 75: (*(startfuncp)entry)(howto, bootdev, BOOTARG_APIVER,
! 76: marks[MARK_END], extmem, cnvmem, ac, (int)av);
! 77: /* not reached */
! 78: #endif
! 79: }
CVSweb