v2/util: romfs -> cbfs rename
It's all sed here. romfs->cbfs, ROMFS->CBFS, romtool->cbfstool
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4110 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/util/cbfstool/tools/rom-mkstage.c b/util/cbfstool/tools/rom-mkstage.c
new file mode 100644
index 0000000..ff43e77
--- /dev/null
+++ b/util/cbfstool/tools/rom-mkstage.c
@@ -0,0 +1,209 @@
+/*
+ * rom-mkstage
+ *
+ * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "elf.h"
+#include <fcntl.h>
+#include <getopt.h>
+#include <sys/stat.h>
+
+#include "common.h"
+#include "../cbfs.h"
+
+int parse_elf(unsigned char *input, unsigned char **output,
+ int mode, void (*compress) (char *, int, char *, int *))
+{
+ Elf32_Phdr *phdr;
+ Elf32_Ehdr *ehdr = (Elf32_Ehdr *) input;
+ Elf32_Shdr *shdr;
+ char *header, *buffer;
+ unsigned char *out;
+
+ int headers;
+ int i;
+ struct cbfs_stage *stage;
+ unsigned int data_start, data_end, mem_end;
+
+ headers = ehdr->e_phnum;
+ header = (char *)ehdr;
+
+ phdr = (Elf32_Phdr *) & (header[ehdr->e_phoff]);
+ shdr = (Elf32_Shdr *) & (header[ehdr->e_shoff]);
+
+ /* Now, regular headers - we only care about PT_LOAD headers,
+ * because thats what we're actually going to load
+ */
+
+ data_start = 0xFFFFFFFF;
+ data_end = 0;
+ mem_end = 0;
+
+ for (i = 0; i < headers; i++) {
+ unsigned int start, mend, rend;
+
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ /* Empty segments are never interesting */
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ /* BSS */
+
+ start = phdr[i].p_paddr;
+
+ mend = start + phdr[i].p_memsz;
+ rend = start + phdr[i].p_filesz;
+
+ if (start < data_start)
+ data_start = start;
+
+ if (rend > data_end)
+ data_end = rend;
+
+ if (mend > mem_end)
+ mem_end = mend;
+ }
+
+ /* allocate an intermediate buffer for the data */
+ buffer = calloc(data_end - data_start, 1);
+
+ if (buffer == NULL) {
+ fprintf(stderr, "E: Unable to allocate memory: %m\n");
+ return -1;
+ }
+
+ /* Copy the file data into the buffer */
+
+ for (i = 0; i < headers; i++) {
+
+ if (phdr[i].p_type != PT_LOAD)
+ continue;
+
+ if (phdr[i].p_memsz == 0)
+ continue;
+
+ memcpy(buffer + (phdr[i].p_paddr - data_start),
+ &header[phdr[i].p_offset], phdr[i].p_filesz);
+ }
+
+ /* Now make the output buffer */
+ out = calloc(sizeof(struct cbfs_stage) + data_end - data_start, 1);
+
+ if (out == NULL) {
+ fprintf(stderr, "E: Unable to allocate memory: %m\n");
+ return -1;
+ }
+
+ stage = (struct cbfs_stage *)out;
+
+ stage->load = data_start;
+ stage->memlen = mem_end - data_start;
+ stage->compression = mode;
+ stage->entry = ehdr->e_entry;
+
+ compress(buffer, data_end - data_start,
+ (char *)(out + sizeof(struct cbfs_stage)),
+ (int *)&stage->len);
+
+ *output = out;
+
+ return sizeof(struct cbfs_stage) + stage->len;
+}
+
+int main(int argc, char **argv)
+{
+ void (*compress) (char *, int, char *, int *);
+ int algo = CBFS_COMPRESS_LZMA;
+
+ char *output = NULL;
+ char *input = NULL;
+
+ unsigned char *buffer, *obuffer;
+ int size, osize;
+
+ while (1) {
+ int option_index;
+ static struct option longopt[] = {
+ {"output", 1, 0, 'o'},
+ {"lzma", 0, 0, 'l'},
+ {"nocompress", 0, 0, 'n'},
+ };
+
+ signed char ch = getopt_long(argc, argv, "o:ln",
+ longopt, &option_index);
+
+ if (ch == -1)
+ break;
+
+ switch (ch) {
+ case 'o':
+ output = optarg;
+ break;
+ case 'l':
+ algo = CBFS_COMPRESS_LZMA;
+ break;
+ case 'n':
+ algo = CBFS_COMPRESS_NONE;
+ break;
+ default:
+ //usage();
+ return -1;
+ }
+ }
+
+ if (optind < argc)
+ input = argv[optind];
+
+ if (input == NULL || !strcmp(input, "-"))
+ buffer = file_read_to_buffer(STDIN_FILENO, &size);
+ else
+ buffer = file_read(input, &size);
+
+ if (!iself(buffer)) {
+ fprintf(stderr, "E: The incoming file is not an ELF\n");
+ return -1;
+ }
+
+ switch (algo) {
+ case CBFS_COMPRESS_NONE:
+ compress = none_compress;
+ break;
+ case CBFS_COMPRESS_LZMA:
+ compress = lzma_compress;
+ break;
+ }
+
+ osize = parse_elf(buffer, &obuffer, algo, compress);
+
+ if (osize == -1) {
+ fprintf(stderr, "E: Error while converting the ELF\n");
+ return -1;
+ }
+
+ if (output == NULL || !strcmp(output, "-"))
+ file_write_from_buffer(STDOUT_FILENO, obuffer, osize);
+ else
+ file_write(output, obuffer, osize);
+
+ return 0;
+}