tools/firmware-utils: mktplinkfw* fix rootfs offset
[openwrt/openwrt.git] / tools / firmware-utils / src / mktplinkfw.c
index 7dbb290413bf411c2c18d54cbb276aa27e8ca817..ef19e1052943174489bab55b851e26f90f24ca85 100644 (file)
@@ -71,7 +71,7 @@ struct fw_region {
 /*
  * Globals
  */
-static char *ofname;
+char *ofname;
 char *progname;
 static char *vendor = "TP-LINK Technologies";
 static char *version = "ver. 1.0";
@@ -79,7 +79,7 @@ static char *fw_ver = "0.0.0";
 static uint32_t hdr_ver = HEADER_VERSION_V1;
 
 static char *layout_id;
-static struct flash_layout *layout;
+struct flash_layout *layout;
 static char *opt_hw_id;
 static uint32_t hw_id;
 static char *opt_hw_rev;
@@ -90,17 +90,17 @@ static const struct fw_region *region;
 static int fw_ver_lo;
 static int fw_ver_mid;
 static int fw_ver_hi;
-static struct file_info kernel_info;
+struct file_info kernel_info;
 static uint32_t kernel_la = 0;
 static uint32_t kernel_ep = 0;
-static uint32_t kernel_len = 0;
-static struct file_info rootfs_info;
-static uint32_t rootfs_ofs = 0;
-static uint32_t rootfs_align;
+uint32_t kernel_len = 0;
+struct file_info rootfs_info;
+uint32_t rootfs_ofs = 0;
+uint32_t rootfs_align;
 static struct file_info boot_info;
-static int combined;
-static int strip_padding;
-static int add_jffs2_eof;
+int combined;
+int strip_padding;
+int add_jffs2_eof;
 static uint32_t fw_max_len;
 static uint32_t reserved_space;
 
@@ -307,10 +307,10 @@ static int check_options(void)
 
                if (rootfs_align) {
                        kernel_len += sizeof(struct fw_header);
-                       kernel_len = ALIGN(kernel_len, rootfs_align);
+                       rootfs_ofs = ALIGN(kernel_len, rootfs_align);
                        kernel_len -= sizeof(struct fw_header);
 
-                       DBG("kernel length aligned to %u", kernel_len);
+                       DBG("rootfs offset aligned to 0x%u", rootfs_ofs);
 
                        exceed_bytes = kernel_len + rootfs_info.file_size - (fw_max_len - sizeof(struct fw_header));
                        if (exceed_bytes > 0) {
@@ -355,7 +355,7 @@ static int check_options(void)
        return 0;
 }
 
-static void fill_header(char *buf, int len)
+void fill_header(char *buf, int len)
 {
        struct fw_header *hdr = (struct fw_header *)buf;
 
@@ -408,69 +408,6 @@ static void fill_header(char *buf, int len)
                get_md5(buf, len, hdr->md5sum1);
 }
 
-static int build_fw(void)
-{
-       int buflen;
-       char *buf;
-       char *p;
-       int ret = EXIT_FAILURE;
-       int writelen = 0;
-
-       writelen = sizeof(struct fw_header) + kernel_len;
-
-       if (combined)
-               buflen = writelen;
-       else
-               buflen = layout->fw_max_len;
-
-       buf = malloc(buflen);
-       if (!buf) {
-               ERR("no memory for buffer\n");
-               goto out;
-       }
-
-       memset(buf, 0xff, buflen);
-       p = buf + sizeof(struct fw_header);
-       ret = read_to_buf(&kernel_info, p);
-       if (ret)
-               goto out_free_buf;
-
-
-       if (!combined) {
-               if (rootfs_align)
-                       p = buf + writelen;
-               else
-                       p = buf + rootfs_ofs;
-
-               ret = read_to_buf(&rootfs_info, p);
-               if (ret)
-                       goto out_free_buf;
-
-               if (rootfs_align)
-                       writelen += rootfs_info.file_size;
-               else
-                       writelen = rootfs_ofs + rootfs_info.file_size;
-
-               if (add_jffs2_eof)
-                       writelen = pad_jffs2(buf, writelen, layout->fw_max_len);
-       }
-
-       if (!strip_padding)
-               writelen = buflen;
-
-       fill_header(buf, writelen);
-       ret = write_fw(ofname, buf, writelen);
-       if (ret)
-               goto out_free_buf;
-
-       ret = EXIT_SUCCESS;
-
- out_free_buf:
-       free(buf);
- out:
-       return ret;
-}
-
 static int inspect_fw(void)
 {
        char *buf;
@@ -686,7 +623,7 @@ int main(int argc, char *argv[])
                goto out;
 
        if (!inspect_info.file_name)
-               ret = build_fw();
+               ret = build_fw(sizeof(struct fw_header));
        else
                ret = inspect_fw();