Move public board overlays to the chromeos repository.

src/overlays/overlay-beagleboard/sys-boot/xloader/files/signGP.c

+//
+// 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);
+}