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Diffstat (limited to 'carl9170fw/tools/src/miniboot.c')
-rw-r--r--carl9170fw/tools/src/miniboot.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/carl9170fw/tools/src/miniboot.c b/carl9170fw/tools/src/miniboot.c
new file mode 100644
index 0000000..509d82d
--- /dev/null
+++ b/carl9170fw/tools/src/miniboot.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2010-2011 Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <error.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "carlfw.h"
+
+#include "compiler.h"
+
+static void mini_help(void)
+{
+ fprintf(stderr, "Usage:\n");
+ fprintf(stderr, "\tminiboot ACTION FW-FILE [MB-FILE]\n");
+
+ fprintf(stderr, "\nDescription:\n");
+ fprintf(stderr, "\tFirmware concatenation utility.\n");
+
+ fprintf(stderr, "\nParameteres:\n");
+ fprintf(stderr, "\t'ACTION' = [a|d]\n");
+ fprintf(stderr, "\t | 'a' = Add miniboot firmware.\n");
+ fprintf(stderr, "\t * 'd' = remove miniboot firmware.\n");
+ fprintf(stderr, "\t'FW-FILE' = destination for the package.\n");
+ fprintf(stderr, "\t'MB-FILE' = extra firmware image.\n");
+}
+
+static int add_mini(struct carlfw *fw, const char *mini)
+{
+ struct stat file_stat;
+ struct carl9170fw_otus_desc *otus_desc = NULL;
+ FILE *m = NULL;
+ char *buf = NULL;
+ size_t extra;
+ int err;
+
+ m = fopen(mini, "r");
+ if (m == NULL) {
+ fprintf(stderr, "Failed to open file %s (%d).\n",
+ mini, errno);
+ err = -errno;
+ goto fail;
+ }
+
+ err = fstat(fileno(m), &file_stat);
+ if (err) {
+ fprintf(stderr, "Failed to query file infos from "
+ "\"%s\" (%d).\n", mini, errno);
+ err = -errno;
+ goto fail;
+ }
+ extra = file_stat.st_size;
+
+ otus_desc = carlfw_find_desc(fw, (uint8_t *) OTUS_MAGIC,
+ sizeof(*otus_desc),
+ CARL9170FW_OTUS_DESC_CUR_VER);
+ if (!otus_desc) {
+ fprintf(stderr, "No OTUS descriptor found\n");
+ goto fail;
+ }
+
+ if (carl9170fw_supports(otus_desc->feature_set, CARL9170FW_MINIBOOT)) {
+ fprintf(stderr, "Firmware has already a miniboot image.\n");
+ goto fail;
+ }
+
+ otus_desc->feature_set |= cpu_to_le32(BIT(CARL9170FW_MINIBOOT));
+ otus_desc->miniboot_size = cpu_to_le16(extra);
+
+ buf = carlfw_mod_headroom(fw, extra);
+ if (IS_ERR_OR_NULL(buf)) {
+ fprintf(stderr, "Unable to add miniboot image.\n");
+ goto fail;
+ }
+
+ err = fread(buf, extra, 1, m);
+ if (err != 1) {
+ fprintf(stderr, "Unable to load miniboot.\n");
+ goto fail;
+ }
+
+ carlfw_store(fw);
+ fclose(m);
+
+ return 0;
+
+fail:
+ if (m)
+ fclose(m);
+
+ return err;
+}
+
+static int del_mini(struct carlfw *fw)
+{
+ struct carl9170fw_otus_desc *otus_desc = NULL;
+ void *buf;
+ int cut;
+
+ otus_desc = carlfw_find_desc(fw, (uint8_t *) OTUS_MAGIC,
+ sizeof(*otus_desc),
+ CARL9170FW_OTUS_DESC_CUR_VER);
+ if (!otus_desc) {
+ fprintf(stderr, "Firmware is not for USB devices.\n");
+ return -ENODATA;
+ }
+
+ if (!carl9170fw_supports(otus_desc->feature_set, CARL9170FW_MINIBOOT)) {
+ fprintf(stderr, "Firmware has no miniboot image.\n");
+ return -EINVAL;
+ }
+
+ cut = le16_to_cpu(otus_desc->miniboot_size);
+
+ buf = carlfw_mod_headroom(fw, -cut);
+ if (IS_ERR_OR_NULL(buf)) {
+ fprintf(stderr, "Unable to remove miniboot.\n");
+ return PTR_ERR(buf);
+ }
+
+ otus_desc->feature_set &= cpu_to_le32(~BIT(CARL9170FW_MINIBOOT));
+ otus_desc->miniboot_size = cpu_to_le16(0);
+
+ carlfw_store(fw);
+ return 0;
+}
+
+int main(int argc, char *args[])
+{
+ struct carlfw *fw = NULL;
+ int err;
+
+ if (argc < 3 || argc > 4) {
+ err = -EINVAL;
+ goto err_param;
+ }
+
+ switch (args[1][0]) {
+ case 'a':
+ if (argc != 4)
+ goto err_param;
+
+ fw = carlfw_load(args[2]);
+ if (IS_ERR_OR_NULL(fw)) {
+ err = PTR_ERR(fw);
+ goto err_out;
+ }
+
+ err = add_mini(fw, args[3]);
+ break;
+ case 'd':
+ if (argc != 3)
+ goto err_param;
+
+ fw = carlfw_load(args[2]);
+ if (IS_ERR_OR_NULL(fw)) {
+ err = PTR_ERR(fw);
+ goto err_out;
+ }
+
+ err = del_mini(fw);
+ break;
+
+ default:
+ goto err_param;
+ break;
+ }
+
+ carlfw_release(fw);
+ return EXIT_SUCCESS;
+
+err_out:
+ carlfw_release(fw);
+ fprintf(stderr, "miniboot action failed (%d).\n", err);
+ return EXIT_FAILURE;
+
+err_param:
+ carlfw_release(fw);
+ mini_help();
+ return EXIT_FAILURE;
+}