kernel/arch/x86/krtld/32/kobj_boot.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*
  27  * Bootstrap the linker/loader.
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/bootconf.h>
  32 #include <sys/link.h>
  33 #include <sys/auxv.h>
  34 #include <sys/kobj.h>
  35 #include <sys/bootsvcs.h>
  36 #include <vm/kboot_mmu.h>
  37 #include <sys/kobj_impl.h>
  38
  39 /*
  40  * the kernel's entry point (from locore.s)
  41  */
  42 extern void _locore_start();
  43
  44 /*
  45  * fakebop transfers control here.
  46  *
  47  * fakebop and dboot don't construct any boot vector or aux vector information.
  48  * We figure all this out for ourself instead.
  49  */
  50 /*ARGSUSED3*/
  51 void
  52 _kobj_boot(
  53         struct boot_syscalls *syscallp,
  54         void *dvec,
  55         struct bootops *bootops,
  56         Boot *ebp)
  57 {
  58         val_t bootaux[BA_NUM];
  59         int i;
  60
  61         for (i = 0; i < BA_NUM; i++)
  62                 bootaux[i].ba_val = (uintptr_t)NULL;
  63
  64         bootaux[BA_ENTRY].ba_ptr = (void *)_locore_start;
  65         bootaux[BA_PAGESZ].ba_val = MMU_PAGESIZE;
  66         bootaux[BA_LPAGESZ].ba_val = kbm_nucleus_size;
  67
  68         /*
  69          * Initialize krtld.
  70          */
  71         kobj_init(syscallp, dvec, bootops, bootaux);
  72 }