cc3d937224
moment. We were cleaning up after PXE too early and the module dependancy code would not be able to load any files if it needed too.
163 lines
6.0 KiB
C
163 lines
6.0 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)boot.c 8.1 (Berkeley) 6/10/93
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*/
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#include <stand.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <machine/elf.h>
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#include <machine/prom.h>
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#include <machine/rpb.h>
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#include <machine/bootinfo.h>
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#include "bootstrap.h"
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#define _KERNEL
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static int elf_exec(struct preloaded_file *afp);
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int bi_load(struct bootinfo_v1 *, vm_offset_t *,
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struct preloaded_file *);
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struct file_format alpha_elf = { elf_loadfile, elf_exec };
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vm_offset_t ffp_save, ptbr_save;
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static int
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elf_exec(struct preloaded_file *fp)
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{
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static struct bootinfo_v1 bootinfo_v1;
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struct file_metadata *md;
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Elf_Ehdr *hdr;
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int err;
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int flen;
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if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
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return(EFTYPE); /* XXX actually EFUCKUP */
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hdr = (Elf_Ehdr *)&(md->md_data);
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/* XXX ffp_save does not appear to be used in the kernel.. */
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bzero(&bootinfo_v1, sizeof(bootinfo_v1));
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err = bi_load(&bootinfo_v1, &ffp_save, fp);
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if (err)
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return(err);
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/*
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* Fill in the bootinfo for the kernel.
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*/
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strncpy(bootinfo_v1.booted_kernel, fp->f_name,
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sizeof(bootinfo_v1.booted_kernel));
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flen = prom_getenv(PROM_E_BOOTED_OSFLAGS, bootinfo_v1.boot_flags,
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sizeof(bootinfo_v1.boot_flags));
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bootinfo_v1.hwrpb = (void *)HWRPB_ADDR;
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bootinfo_v1.hwrpbsize = ((struct rpb *)HWRPB_ADDR)->rpb_size;
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bootinfo_v1.cngetc = NULL;
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bootinfo_v1.cnputc = NULL;
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bootinfo_v1.cnpollc = NULL;
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/*
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* Append the boot command flags.
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*/
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if (fp->f_args != NULL && *fp->f_args != '\0') {
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const char *p = fp->f_args;
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do {
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if (*p == '-') {
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while (*++p != ' ' && *p != '\0')
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if (flen < sizeof(bootinfo_v1.boot_flags) - 1)
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bootinfo_v1.boot_flags[flen++] = *p;
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} else
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while (*p != ' ' && *p != '\0')
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p++;
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while (*p == ' ')
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p++;
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} while (*p != '\0');
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bootinfo_v1.boot_flags[flen] = '\0';
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}
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printf("Entering %s at 0x%lx...\n", fp->f_name, hdr->e_entry);
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closeall();
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dev_cleanup();
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alpha_pal_imb();
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(*(void (*)())hdr->e_entry)(ffp_save, ptbr_save,
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BOOTINFO_MAGIC, &bootinfo_v1, 1, 0);
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}
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