diff --git a/src/lib/romfs.c b/src/lib/romfs.c deleted file mode 100644 index b28e5414b7..0000000000 --- a/src/lib/romfs.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008, Jordan Crouse - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA - */ - -#include -#include -#include -#include -#include - -#ifndef CONFIG_BIG_ENDIAN -#define ntohl(x) ( ((x&0xff)<<24) | ((x&0xff00)<<8) | \ - ((x&0xff0000) >> 8) | ((x&0xff000000) >> 24) ) -#else -#define ntohl(x) (x) -#endif - -int run_address(void *f); - -int romfs_decompress(int algo, void *src, void *dst, int len) -{ - switch(algo) { - case ROMFS_COMPRESS_NONE: - memcpy(dst, src, len); - return 0; - -#ifdef CONFIG_COMPRESSION_LZMA - - case ROMFS_COMPRESS_LZMA: { - unsigned long ulzma(unsigned char *src, unsigned char *dst); - ulzma(src, dst); - } - return 0; -#endif - -#ifdef CONFIG_COMPRESSION_NRV2B - case ROMFS_COMPRESS_NRV2B: { - unsigned long unrv2b(u8 *src, u8 *dst, unsigned long *ilen_p); - unsigned long tmp; - - unrv2b(src, dst, &tmp); - } - return 0; -#endif - default: - printk_info( "ROMFS: Unknown compression type %d\n", - algo); - return -1; - } -} - -int romfs_check_magic(struct romfs_file *file) -{ - return !strcmp(file->magic, ROMFS_FILE_MAGIC) ? 1 : 0; -} - -struct romfs_header *romfs_master_header(void) -{ - struct romfs_header *header; - - void *ptr = (void *)*((unsigned long *) ROMFS_HEADPTR_ADDR); - printk_debug("Check ROMFS header at %p\n", ptr); - header = (struct romfs_header *) ptr; - - printk_debug("magic is %08x\n", ntohl(header->magic)); - if (ntohl(header->magic) != ROMFS_HEADER_MAGIC) { - printk_err("NO ROMFS HEADER\n"); - return NULL; - } - - printk_debug("Found ROMFS header at %p\n", ptr); - return header; -} - -struct romfs_file *romfs_find(const char *name) -{ - struct romfs_header *header = romfs_master_header(); - unsigned long offset; - - if (header == NULL) - return NULL; - offset = 0 - ntohl(header->romsize) + ntohl(header->offset); - - while(1) { - struct romfs_file *file = (struct romfs_file *) offset; - if (romfs_check_magic(file)) printk_info("Check %s\n", ROMFS_NAME(file)); - if (romfs_check_magic(file) && - !strcmp(ROMFS_NAME(file), name)) - return file; - - offset += ntohl(header->align); - - if (offset < 0xFFFFFFFF - ntohl(header->romsize)) - return NULL; - } -} - -struct romfs_stage *romfs_find_file(const char *name, int type) -{ - struct romfs_file *file = romfs_find(name); - - if (file == NULL) { - printk_info( "ROMFS: Could not find file %s\n", - name); - return NULL; - } - - if (ntohl(file->type) != type) { - printk_info( "ROMFS: File %s is of type %x instead of" - "type %x\n", name, file->type, type); - - return NULL; - } - - return (void *) ROMFS_SUBHEADER(file); -} - -void *romfs_load_optionrom(u16 vendor, u16 device, void * dest) -{ - char name[17]; - struct romfs_optionrom *orom; - u8 *src; - - sprintf(name,"pci%04x,%04x.rom", vendor, device); - - orom = (struct romfs_optionrom *) - romfs_find_file(name, ROMFS_TYPE_OPTIONROM); - - if (orom == NULL) - return NULL; - - /* They might have specified a dest address. If so, we can decompress. - * If not, there's not much hope of decompressing or relocating the rom. - * in the common case, the expansion rom is uncompressed, we - * pass 0 in for the dest, and all we have to do is find the rom and - * return a pointer to it. - */ - - /* BUG: the romtool is (not yet) including a romfs_optionrom header */ - src = ((unsigned char *) orom); // + sizeof(struct romfs_optionrom); - - if (! dest) - return src; - - if (romfs_decompress(ntohl(orom->compression), - src, - dest, - ntohl(orom->len))) - return NULL; - - return dest; -} - -void * romfs_load_payload(struct lb_memory *lb_mem, const char *name) -{ - int selfboot(struct lb_memory *mem, struct romfs_payload *payload); - struct romfs_payload *payload = (struct romfs_payload *) - romfs_find_file(name, ROMFS_TYPE_PAYLOAD); - - struct romfs_payload_segment *segment, *first_segment; - - if (payload == NULL) - return (void *) -1; - printk_debug("Got a payload\n"); - first_segment = segment = &payload->segments; - selfboot(lb_mem, payload); - printk_emerg("SELFBOOT RETURNED!\n"); - - return (void *) -1; -} - -void * romfs_load_stage(const char *name) -{ - struct romfs_stage *stage = (struct romfs_stage *) - romfs_find_file(name, ROMFS_TYPE_STAGE); - /* this is a mess. There is no ntohll. */ - /* for now, assume compatible byte order until we solve this. */ - u32 entry; - - if (stage == NULL) - return (void *) -1; - - printk_info("Stage: load @ %d/%d bytes, enter @ %llx\n", - ntohl((u32) stage->load), ntohl(stage->memlen), - stage->entry); - memset((void *) ntohl((u32) stage->load), 0, ntohl(stage->memlen)); - - if (romfs_decompress(ntohl(stage->compression), - ((unsigned char *) stage) + - sizeof(struct romfs_stage), - (void *) ntohl((u32) stage->load), - ntohl(stage->len))) - return (void *) -1; - - entry = stage->entry; -// return (void *) ntohl((u32) stage->entry); - return (void *) entry; -} - -void * romfs_get_file(const char *name) -{ - return romfs_find(name); -} - -int romfs_execute_stage(const char *name) -{ - struct romfs_stage *stage = (struct romfs_stage *) - romfs_find_file(name, ROMFS_TYPE_STAGE); - - if (stage == NULL) - return 1; - - if (ntohl(stage->compression) != ROMFS_COMPRESS_NONE) { - printk_info( "ROMFS: Unable to run %s: Compressed file" - "Not supported for in-place execution\n", name); - return 1; - } - - /* FIXME: This isn't right */ - printk_info( "ROMFS: run @ %p\n", (void *) ntohl((u32) stage->entry)); - return run_address((void *) ntohl((u32) stage->entry)); -} - -/** - * run_address is passed the address of a function taking no parameters and - * jumps to it, returning the result. - * @param f the address to call as a function. - * returns value returned by the function. - */ - -int run_address(void *f) -{ - int (*v) (void); - v = f; - return v(); -} -