/*- * 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/md_var.h> #include <machine/metadata.h> #include <machine/elf.h> #include <stand.h> #include <efi.h> #include <efilib.h> #include "bootstrap.h" #include "loader_efi.h" extern int bi_load(char *, vm_offset_t *, vm_offset_t *, bool); static int __elfN(exec)(struct preloaded_file *fp) { struct file_metadata *fmp; vm_offset_t modulep, kernend; Elf_Ehdr *e; int error; void (*entry)(void *); if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) return (EFTYPE); e = (Elf_Ehdr *)&fmp->md_data; efi_time_fini(); entry = efi_translate(e->e_entry); printf("Kernel entry at %p...\n", entry); printf("Kernel args: %s\n", fp->f_args); if ((error = bi_load(fp->f_args, &modulep, &kernend, true)) != 0) { efi_time_init(); return (error); } /* * At this point we've called ExitBootServices, so we can't call * printf or any other function that uses Boot Services */ dev_cleanup(); (*entry)((void *)modulep); panic("exec returned"); } static struct file_format riscv_elf = { __elfN(loadfile), __elfN(exec) }; struct file_format *file_formats[] = { &riscv_elf, NULL };