diff options
Diffstat (limited to 'sys/boot/uboot/lib/elf_freebsd.c')
-rw-r--r-- | sys/boot/uboot/lib/elf_freebsd.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/boot/uboot/lib/elf_freebsd.c b/sys/boot/uboot/lib/elf_freebsd.c new file mode 100644 index 0000000..735dd31 --- /dev/null +++ b/sys/boot/uboot/lib/elf_freebsd.c @@ -0,0 +1,90 @@ +/*- + * 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/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/linker.h> + +#include <machine/metadata.h> +#include <machine/elf.h> + +#include <stand.h> + +#include "bootstrap.h" + +int +__elfN(uboot_load)(char *filename, u_int64_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; + + if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) { + return (EFTYPE); + } + e = (Elf_Ehdr *)&fmp->md_data; + + if ((error = md_load(fp->f_args, &mdp)) != 0) + return (error); + + printf("Kernel entry at 0x%lx ...\n", e->e_entry); + + dev_cleanup(); + + (*(void (*)())e->e_entry)((void *)mdp); + panic("exec returned"); +} + +struct file_format uboot_elf = +{ + __elfN(uboot_load), + __elfN(uboot_exec) +}; |