118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/param.h>
|
||
|
|
#include <sys/linker.h>
|
||
|
|
|
||
|
|
#include <machine/bootinfo.h>
|
||
|
|
#include <machine/elf.h>
|
||
|
|
|
||
|
|
#include <stand.h>
|
||
|
|
|
||
|
|
#include "bootstrap.h"
|
||
|
|
#include "libofw.h"
|
||
|
|
#include "openfirm.h"
|
||
|
|
|
||
|
|
extern char end[];
|
||
|
|
extern vm_offset_t reloc; /* From <arch>/conf.c */
|
||
|
|
|
||
|
|
int
|
||
|
|
ofw_elf_loadfile(char *filename, vm_offset_t dest,
|
||
|
|
struct preloaded_file **result)
|
||
|
|
{
|
||
|
|
int r;
|
||
|
|
void *addr;
|
||
|
|
|
||
|
|
r = elf_loadfile(filename, dest, result);
|
||
|
|
if (r != 0)
|
||
|
|
return (r);
|
||
|
|
|
||
|
|
addr = OF_claim((void *)(*result)->f_addr, (*result)->f_size, 0);
|
||
|
|
|
||
|
|
if (addr == (void *)-1 || addr != (void *)(*result)->f_addr)
|
||
|
|
return (ENOMEM);
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
ofw_elf_exec(struct preloaded_file *fp)
|
||
|
|
{
|
||
|
|
struct file_metadata *md;
|
||
|
|
Elf_Ehdr *ehdr;
|
||
|
|
vm_offset_t entry, bootinfop;
|
||
|
|
int boothowto, err, bootdev;
|
||
|
|
struct bootinfo *bi;
|
||
|
|
vm_offset_t ssym, esym;
|
||
|
|
|
||
|
|
if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
|
||
|
|
return(EFTYPE); /* XXX actually EFUCKUP */
|
||
|
|
}
|
||
|
|
ehdr = (Elf_Ehdr *)&(md->md_data);
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop)) != 0)
|
||
|
|
return(err);
|
||
|
|
#endif
|
||
|
|
entry = ehdr->e_entry & 0xffffff;
|
||
|
|
|
||
|
|
ssym = esym = 0;
|
||
|
|
if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
|
||
|
|
ssym = *((vm_offset_t *)&(md->md_data));
|
||
|
|
if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL)
|
||
|
|
esym = *((vm_offset_t *)&(md->md_data));
|
||
|
|
if (ssym == 0 || esym == 0)
|
||
|
|
ssym = esym = 0; /* sanity */
|
||
|
|
#if 0
|
||
|
|
bi = (struct bootinfo *)PTOV(bootinfop);
|
||
|
|
bi->bi_symtab = ssym;
|
||
|
|
bi->bi_esymtab = esym;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
#ifdef DEBUG
|
||
|
|
*/
|
||
|
|
printf("Start @ 0x%lx ...\n", entry);
|
||
|
|
/*
|
||
|
|
#endif
|
||
|
|
*/
|
||
|
|
|
||
|
|
dev_cleanup();
|
||
|
|
ofw_release_heap();
|
||
|
|
/* OF_chain(0, 0, entry, bootinfop, sizeof(struct bootinfo));*/
|
||
|
|
OF_chain((void *)reloc, end - (char *)reloc, (void *)entry, NULL, 0);
|
||
|
|
|
||
|
|
panic("exec returned");
|
||
|
|
}
|
||
|
|
|
||
|
|
struct file_format ofw_elf =
|
||
|
|
{
|
||
|
|
ofw_elf_loadfile,
|
||
|
|
ofw_elf_exec
|
||
|
|
};
|