[tools] firmware-utils: ZyXEL firmware tool improvements
authorGabor Juhos <juhosg@openwrt.org>
Sun, 22 Jun 2008 05:41:37 +0000 (05:41 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Sun, 22 Jun 2008 05:41:37 +0000 (05:41 +0000)
SVN-Revision: 11550

tools/firmware-utils/src/mkzynfw.c
tools/firmware-utils/src/zynos.h

index 9009d50..6beb007 100644 (file)
@@ -96,6 +96,7 @@ struct board_info {
        uint32_t flash_size;    /* board flash size */
        uint32_t code_start;    /* code start address */
        uint32_t romio_offs;    /* offset of the firmware within the flash */
+       uint32_t bootext_size;  /* maximum size of bootext block */
 };
 
 /*
@@ -121,11 +122,12 @@ int num_blocks = 0;
 #define ATHEROS_FLASH_BASE     0xBFC00000
 #define ATHEROS_CODE_START     0x80e00000
 
-#define BOARD(n, d, v, m, fb, fs, cs, fo) { \
-       .name = (n), .desc=(d), \
-       .vendor = (v), .model = (m), \
-       .flash_base = (fb), .flash_size = (fs)<<20, \
-       .code_start = (cs), .romio_offs = (fo) \
+#define BOARD(n, d, v, m, fb, fs, cs, fo) {            \
+       .name = (n), .desc=(d),                         \
+       .vendor = (v), .model = (m),                    \
+       .flash_base = (fb), .flash_size = (fs)<<20,     \
+       .code_start = (cs), .romio_offs = (fo),         \
+       .bootext_size = BOOTEXT_DEF_SIZE                \
        }
 
 #define ADMBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
@@ -173,6 +175,7 @@ static struct board_info boards[] = {
                .flash_size     = 4*1024*1024,
                .code_start     = 0x94008000,
                .romio_offs     = 0x20000,
+               .bootext_size   = BOOTEXT_DEF_SIZE,
        },
 
 #if 0
@@ -205,6 +208,7 @@ static struct board_info boards[] = {
                .flash_size     = 8*1024*1024,
                .code_start     = 0x94014000,
                .romio_offs     = 0x40000,
+               .bootext_size   = BOOTEXT_DEF_SIZE,
        },
 
        /*
@@ -701,11 +705,13 @@ write_out_image(FILE *outfile)
        hdr.type = OBJECT_TYPE_BOOTEXT;
        hdr.flags = ROMBIN_FLAG_OCSUM;
 
+       offset = board->romio_offs;
+
        res = write_out_header(outfile, &hdr);
        if (res)
                return res;
 
-       offset = sizeof(hdr);
+       offset += sizeof(hdr);
 
        csum_init(&css);
        res = write_out_block(outfile, bootext_block, &css);
@@ -713,8 +719,12 @@ write_out_image(FILE *outfile)
                return res;
 
        offset += bootext_block->file_size;
+       if (offset > (board->romio_offs + board->bootext_size)) {
+               ERR("bootext file '%s' is too big", bootext_block->file_name);
+               return -1;
+       }
 
-       padlen = ALIGN(offset,MMAP_ALIGN) - offset;
+       padlen = ALIGN(offset, MMAP_ALIGN) - offset;
        res = write_out_padding(outfile, padlen, 0xFF, &css);
        if (res)
                return res;
@@ -728,16 +738,26 @@ write_out_image(FILE *outfile)
                return res;
 
        offset += MMAP_DATA_SIZE;
-       hdr.osize = offset - sizeof(hdr);
+       hdr.osize = offset - sizeof(hdr) - board->romio_offs;
        hdr.ocsum = csum_get(&css);
 
-       for (i=0; i < num_blocks; i++) {
+       if ((offset - board->romio_offs) < board->bootext_size) {
+               padlen = board->romio_offs + board->bootext_size - offset;
+               res = write_out_padding(outfile, padlen, 0xFF, NULL);
+               if (res)
+                       return res;
+               offset += padlen;
+
+               DBG(2, "bootext end at %08x", offset);
+       }
+
+       for (i = 0; i < num_blocks; i++) {
                block = &blocks[i];
 
                if (block->type == BLOCK_TYPE_BOOTEXT)
                        continue;
 
-               padlen = ALIGN(offset,block->align) - offset;
+               padlen = ALIGN(offset, block->align) - offset;
                res = write_out_padding(outfile, padlen, 0xFF, NULL);
                if (res)
                        return res;
@@ -1000,7 +1020,6 @@ main(int argc, char *argv[])
                goto out;
        }
 
-
        if (process_blocks() != 0) {
                goto out;
        }
index c8d3250..aa25deb 100644 (file)
@@ -21,6 +21,8 @@
 #define BOOTBASE_MAC_LEN       6
 #define BOOTBASE_FEAT_LEN      22
 
+#define BOOTEXT_DEF_SIZE       0x18000
+
 struct zyn_bootbase_info {
        char            vendor[BOOTBASE_NAME_LEN]; /* Vendor name */
        char            model[BOOTBASE_NAME_LEN]; /* Model name */