]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - tools/omapimage.c
Merge remote-tracking branch 'u-boot-ti/master'
[karo-tx-uboot.git] / tools / omapimage.c
index 29d91cc69c1d1d4cc6c936a12094676211fc0237..d242cca3a8a0f9ec5279ed4cd94b9dba1b261ba4 100644 (file)
 #define OMAP_GP_HDR_SIZE (sizeof(struct gp_header))
 #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE+OMAP_GP_HDR_SIZE)
 
+static int do_swap32 = 0;
+
+static uint32_t omapimage_swap32(uint32_t data)
+{
+       uint32_t result = 0;
+       result  = (data & 0xFF000000) >> 24;
+       result |= (data & 0x00FF0000) >> 8;
+       result |= (data & 0x0000FF00) << 8;
+       result |= (data & 0x000000FF) << 24;
+       return result;
+}
+
 static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
 
 static int omapimage_check_image_types(uint8_t type)
@@ -49,7 +61,6 @@ static int omapimage_check_image_types(uint8_t type)
        if (type == IH_TYPE_OMAPIMAGE)
                return EXIT_SUCCESS;
        else {
-               fprintf(stderr, "Unknown OMAP image type - %x", type);
                return EXIT_FAILURE;
        }
 }
@@ -81,12 +92,17 @@ static int omapimage_verify_header(unsigned char *ptr, int image_size,
 {
        struct ch_toc *toc = (struct ch_toc *)ptr;
        struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
-       uint32_t offset, size;
+       uint32_t offset, size, gph_size, gph_load_addr;
 
        while (toc->section_offset != 0xffffffff
                        && toc->section_size != 0xffffffff) {
-               offset = toc->section_offset;
-               size = toc->section_size;
+               if (do_swap32) {
+                       offset = omapimage_swap32(toc->section_offset);
+                       size = omapimage_swap32(toc->section_size);
+               } else {
+                       offset = toc->section_offset;
+                       size = toc->section_size;
+               }
                if (!offset || !size)
                        return -1;
                if (offset >= OMAP_CH_HDR_SIZE ||
@@ -94,9 +110,18 @@ static int omapimage_verify_header(unsigned char *ptr, int image_size,
                        return -1;
                toc++;
        }
-       if (!valid_gph_size(gph->size))
+
+       if (do_swap32) {
+               gph_size = omapimage_swap32(gph->size);
+               gph_load_addr = omapimage_swap32(gph->load_addr);
+       } else {
+               gph_size = gph->size;
+               gph_load_addr = gph->load_addr;
+       }
+
+       if (!valid_gph_size(gph_size))
                return -1;
-       if (!valid_gph_load_addr(gph->load_addr))
+       if (!valid_gph_load_addr(gph_load_addr))
                return -1;
 
        return 0;
@@ -129,12 +154,17 @@ static void omapimage_print_header(const void *ptr)
        const struct ch_toc *toc = (struct ch_toc *)ptr;
        const struct gp_header *gph =
                        (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
-       uint32_t offset, size;
+       uint32_t offset, size, gph_size, gph_load_addr;
 
        while (toc->section_offset != 0xffffffff
                        && toc->section_size != 0xffffffff) {
-               offset = toc->section_offset;
-               size = toc->section_size;
+               if (do_swap32) {
+                       offset = omapimage_swap32(toc->section_offset);
+                       size = omapimage_swap32(toc->section_size);
+               } else {
+                       offset = toc->section_offset;
+                       size = toc->section_size;
+               }
 
                if (offset >= OMAP_CH_HDR_SIZE ||
                    offset+size >= OMAP_CH_HDR_SIZE)
@@ -149,22 +179,26 @@ static void omapimage_print_header(const void *ptr)
                toc++;
        }
 
-       if (!valid_gph_size(gph->size)) {
-               fprintf(stderr,
-                       "Error: invalid image size %x\n",
-                       gph->size);
+       if (do_swap32) {
+               gph_size = omapimage_swap32(gph->size);
+               gph_load_addr = omapimage_swap32(gph->load_addr);
+       } else {
+               gph_size = gph->size;
+               gph_load_addr = gph->load_addr;
+       }
+
+       if (!valid_gph_size(gph_size)) {
+               fprintf(stderr, "Error: invalid image size %x\n", gph_size);
                exit(EXIT_FAILURE);
        }
 
-       if (!valid_gph_load_addr(gph->load_addr)) {
-               fprintf(stderr,
-                       "Error: invalid image load address %x\n",
-                       gph->size);
+       if (!valid_gph_load_addr(gph_load_addr)) {
+               fprintf(stderr, "Error: invalid image load address %x\n",
+                               gph_load_addr);
                exit(EXIT_FAILURE);
        }
 
-       printf("GP Header: Size %x LoadAddr %x\n",
-               gph->size, gph->load_addr);
+       printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
 }
 
 static int toc_offset(void *hdr, void *member)
@@ -195,6 +229,18 @@ static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
 
        gph->size = sbuf->st_size - OMAP_FILE_HDR_SIZE;
        gph->load_addr = params->addr;
+
+       if (strncmp(params->imagename, "byteswap", 8) == 0) {
+               do_swap32 = 1;
+               int swapped = 0;
+               uint32_t *data = (uint32_t *)ptr;
+
+               while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
+                       *data = omapimage_swap32(*data);
+                       swapped++;
+                       data++;
+               }
+       }
 }
 
 int omapimage_check_params(struct mkimage_params *params)