122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/*-
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* Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/linker.h>
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#if 0
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#include <machine/bootinfo.h>
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#endif
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#include <machine/elf.h>
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#include <stand.h>
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#include "bootstrap.h"
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#include "libofw.h"
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#include "openfirm.h"
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extern char end[];
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extern vm_offset_t reloc; /* From <arch>/conf.c */
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int
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ofw_elf_loadfile(char *filename, vm_offset_t dest,
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struct preloaded_file **result)
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{
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int r;
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void *addr;
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r = elf_loadfile(filename, dest, result);
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if (r != 0)
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return (r);
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addr = OF_claim((void *)(*result)->f_addr, (*result)->f_size, 0);
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if (addr == (void *)-1 || addr != (void *)(*result)->f_addr)
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return (ENOMEM);
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return (0);
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}
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int
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ofw_elf_exec(struct preloaded_file *fp)
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{
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struct file_metadata *md;
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Elf_Ehdr *ehdr;
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vm_offset_t entry, bootinfop;
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int boothowto, err, bootdev;
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#if 0
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struct bootinfo *bi;
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#endif
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vm_offset_t ssym, esym;
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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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}
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ehdr = (Elf_Ehdr *)&(md->md_data);
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#if 0
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if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop)) != 0)
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return(err);
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#endif
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entry = ehdr->e_entry & 0xffffff;
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ssym = esym = 0;
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if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
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ssym = *((vm_offset_t *)&(md->md_data));
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if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL)
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esym = *((vm_offset_t *)&(md->md_data));
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if (ssym == 0 || esym == 0)
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ssym = esym = 0; /* sanity */
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#if 0
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bi = (struct bootinfo *)PTOV(bootinfop);
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bi->bi_symtab = ssym;
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bi->bi_esymtab = esym;
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#endif
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/*
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#ifdef DEBUG
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*/
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printf("Start @ 0x%lx ...\n", entry);
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/*
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#endif
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*/
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dev_cleanup();
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ofw_release_heap();
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/* OF_chain(0, 0, entry, bootinfop, sizeof(struct bootinfo));*/
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OF_chain((void *)reloc, end - (char *)reloc, (void *)entry, NULL, 0);
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panic("exec returned");
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}
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struct file_format ofw_elf =
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{
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ofw_elf_loadfile,
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ofw_elf_exec
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};
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