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

1 files changed, 209 insertions, 0 deletions

diff --git a/util/cbfstool/tools/rom-mkstage.c b/util/cbfstool/tools/rom-mkstage.c
new file mode 100644
index 0000000000..ff43e774fc
--- /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;
+}