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/*-
* Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
* Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
* 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.
*/
#include <sys/param.h>
#include <sys/linker.h>
#include <machine/md_var.h>
#include <machine/metadata.h>
#include <machine/elf.h>
#include <stand.h>
#include "bootstrap.h"
#include "libuboot.h"
#include "modinfo.h"
int
__elfN(uboot_load)(char *filename, uint64_t dest,
struct preloaded_file **result)
{
int r;
r = __elfN(loadfile)(filename, dest, result);
if (r != 0)
return (r);
#if defined(__powerpc__)
/*
* No need to sync the icache for modules: this will
* be done by the kernel after relocation.
*/
if (!strcmp((*result)->f_type, "elf kernel"))
__syncicache((void *) (*result)->f_addr, (*result)->f_size);
#endif
return (0);
}
int
__elfN(uboot_exec)(struct preloaded_file *fp)
{
struct file_metadata *fmp;
vm_offset_t mdp;
Elf_Ehdr *e;
int error;
void (*entry)(void *);
if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
return (EFTYPE);
e = (Elf_Ehdr *)&fmp->md_data;
if ((error = md_load(fp->f_args, &mdp, NULL)) != 0)
return (error);
entry = (void *)e->e_entry;
printf("Kernel entry at %p...\n", entry);
dev_cleanup();
printf("Kernel args: %s\n", fp->f_args);
(*entry)((void *)mdp);
panic("exec returned");
}
struct file_format uboot_elf = {
__elfN(uboot_load),
__elfN(uboot_exec)
};
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