summaryrefslogtreecommitdiff
path: root/recipes/x-load/files/signGP.c
diff options
context:
space:
mode:
Diffstat (limited to 'recipes/x-load/files/signGP.c')
-rw-r--r--recipes/x-load/files/signGP.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/recipes/x-load/files/signGP.c b/recipes/x-load/files/signGP.c
new file mode 100644
index 0000000000..0e8ed07f52
--- /dev/null
+++ b/recipes/x-load/files/signGP.c
@@ -0,0 +1,73 @@
+//
+// signGP.c
+// Read the x-load.bin file and write out the x-load.bin.ift file.
+// The signed image is the original pre-pended with the size of the image
+// and the load address. If not entered on command line, file name is
+// assumed to be x-load.bin in current directory and load address is
+// 0x40200800.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <malloc.h>
+
+
+main(int argc, char *argv[])
+{
+ int i;
+ char ifname[FILENAME_MAX], ofname[FILENAME_MAX], ch;
+ FILE *ifile, *ofile;
+ unsigned long loadaddr, len;
+ struct stat sinfo;
+
+
+ // Default to x-load.bin and 0x40200800.
+ strcpy(ifname, "x-load.bin");
+ loadaddr = 0x40200800;
+
+ if ((argc == 2) || (argc == 3))
+ strcpy(ifname, argv[1]);
+
+ if (argc == 3)
+ loadaddr = strtol(argv[2], NULL, 16);
+
+ // Form the output file name.
+ strcpy(ofname, ifname);
+ strcat(ofname, ".ift");
+
+ // Open the input file.
+ ifile = fopen(ifname, "rb");
+ if (ifile == NULL) {
+ printf("Cannot open %s\n", ifname);
+ exit(0);
+ }
+
+ // Get file length.
+ stat(ifname, &sinfo);
+ len = sinfo.st_size;
+
+ // Open the output file and write it.
+ ofile = fopen(ofname, "wb");
+ if (ofile == NULL) {
+ printf("Cannot open %s\n", ofname);
+ fclose(ifile);
+ exit(0);
+ }
+
+ // Pad 1 sector of zeroes.
+ //ch = 0x00;
+ //for (i=0; i<0x200; i++)
+ // fwrite(&ch, 1, 1, ofile);
+
+ fwrite(&len, 1, 4, ofile);
+ fwrite(&loadaddr, 1, 4, ofile);
+ for (i=0; i<len; i++) {
+ fread(&ch, 1, 1, ifile);
+ fwrite(&ch, 1, 1, ofile);
+ }
+
+ fclose(ifile);
+ fclose(ofile);
+}