--- /dev/null
+#include <stdio.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <endian.h>
+
+#define VALIDATION_WORD 0x31305341
+
+#define MAX_IMAGE_SIZE (60 * 1024 - 4)
+
+static int add_barebox_header;
+
+struct socfpga_header {
+ uint8_t validation_word[4];
+ uint8_t version;
+ uint8_t flags;
+ uint8_t program_length[2];
+ uint8_t spare[2];
+ uint8_t checksum[2];
+};
+
+static uint32_t bb_header[] = {
+ 0xea00007e, /* b 0x200 */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0xeafffffe, /* 1: b 1b */
+ 0x65726162, /* 'bare' */
+ 0x00786f62, /* 'box\0' */
+ 0x00000000, /* padding */
+ 0x00000000, /* padding */
+ 0x00000000, /* padding */
+ 0x00000000, /* padding */
+ 0x00000000, /* padding */
+ 0x00000000, /* padding */
+ 0x00000000, /* socfpga header */
+ 0x00000000, /* socfpga header */
+ 0x00000000, /* socfpga header */
+ 0xea00006b, /* entry. b 0x200 */
+};
+
+static int read_full(int fd, void *buf, size_t size)
+{
+ size_t insize = size;
+ int now;
+ int total = 0;
+
+ while (size) {
+ now = read(fd, buf, size);
+ if (now == 0)
+ return total;
+ if (now < 0)
+ return now;
+ total += now;
+ size -= now;
+ buf += now;
+ }
+
+ return insize;
+}
+
+static int write_full(int fd, void *buf, size_t size)
+{
+ size_t insize = size;
+ int now;
+
+ while (size) {
+ now = write(fd, buf, size);
+ if (now <= 0)
+ return now;
+ size -= now;
+ buf += now;
+ }
+
+ return insize;
+}
+
+static uint32_t crc_table[256] = {
+ 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
+ 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
+ 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
+ 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
+ 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
+ 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
+ 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
+ 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
+ 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
+ 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
+ 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
+ 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
+ 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
+ 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
+ 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
+ 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
+ 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
+ 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
+ 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
+ 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
+ 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
+ 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
+ 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
+ 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
+ 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
+ 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
+ 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
+ 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
+ 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
+ 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
+ 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
+ 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
+ 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
+ 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
+ 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
+ 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
+ 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
+ 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
+ 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
+ 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
+ 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
+ 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
+ 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
+};
+
+uint32_t crc32(uint32_t crc, void *_buf, int length)
+{
+ uint8_t *buf = _buf;
+
+ while (length--)
+ crc = crc << 8 ^ crc_table[(crc >> 24 ^ *(buf++)) & 0xff];
+
+ return crc;
+}
+
+static int add_socfpga_header(void *buf, int size)
+{
+ struct socfpga_header *header = buf + 0x40;
+ uint8_t *buf_header = buf + 0x40;
+ uint32_t *crc;
+ unsigned checksum;
+ int length = size >> 2;
+ int i;
+
+ if (size & 0x3) {
+ fprintf(stderr, "%s: size must be multiple of 4\n", __func__);
+ return -EINVAL;
+ }
+
+ header->validation_word[0] = VALIDATION_WORD & 0xff;
+ header->validation_word[1] = (VALIDATION_WORD >> 8) & 0xff;
+ header->validation_word[2] = (VALIDATION_WORD >> 16) & 0xff;
+ header->validation_word[3] = (VALIDATION_WORD >> 24) & 0xff;
+ header->version = 0;
+ header->flags = 0;
+ header->program_length[0] = length & 0xff;
+ header->program_length[1] = (length >> 8) & 0xff;
+ header->spare[0] = 0;
+ header->spare[1] = 0;
+
+ checksum = 0;
+ for (i = 0; i < sizeof(*header) - 2; i++)
+ checksum += buf_header[i];
+
+ header->checksum[0] = checksum & 0xff;;
+ header->checksum[1] = (checksum >> 8) & 0xff;;
+
+ crc = buf + size - sizeof(uint32_t);
+
+ *crc = crc32(0xffffffff, buf, size - sizeof(uint32_t));
+ *crc ^= 0xffffffff;
+
+ return 0;
+}
+
+static void usage(const char *prgname)
+{
+ fprintf(stderr, "usage: %s [OPTIONS] <infile>\n", prgname);
+}
+
+int main(int argc, char *argv[])
+{
+ int opt, ret;
+ const char *outfile = NULL, *infile;
+ struct stat s;
+ void *buf;
+ int fd;
+ int min_image_size = 80;
+ int max_image_size = MAX_IMAGE_SIZE;
+ int addsize = 0, pad;
+
+ while ((opt = getopt(argc, argv, "o:hb")) != -1) {
+ switch (opt) {
+ case 'b':
+ add_barebox_header = 1;
+ min_image_size = 0;
+ max_image_size = MAX_IMAGE_SIZE - 512;
+ addsize = 512;
+ break;
+ case 'h':
+ usage(argv[0]);
+ exit(0);
+ case 'o':
+ outfile = optarg;
+ break;
+ default:
+ exit(1);
+ }
+ }
+
+ if (optind == argc) {
+ usage(argv[0]);
+ exit(1);
+ }
+
+ infile = argv[optind];
+
+ ret = stat(infile, &s);
+ if (ret) {
+ perror("stat");
+ exit(1);
+ }
+
+ if (s.st_size < min_image_size) {
+ fprintf(stderr, "input image too small. Minimum is 80 bytes\n");
+ exit(1);
+ }
+
+ if (s.st_size > max_image_size) {
+ fprintf(stderr, "input image too big. Maximum is %d bytes, got %ld bytes\n",
+ max_image_size, s.st_size);
+ exit(1);
+ }
+
+ fd = open(infile, O_RDONLY);
+ if (fd < 0) {
+ perror("open infile");
+ exit(1);
+ }
+
+ pad = s.st_size & 0x3;
+ if (pad)
+ pad = 4 - pad;
+
+ buf = calloc(s.st_size + 4 + addsize + pad, 1);
+ if (!buf) {
+ perror("malloc");
+ exit(1);
+ }
+
+ ret = read_full(fd, buf + addsize, s.st_size);
+ if (ret < 0) {
+ perror("read infile");
+ exit(1);
+ }
+
+ close(fd);
+
+ if (add_barebox_header) {
+ memcpy(buf, bb_header, sizeof(bb_header));
+ }
+
+ ret = add_socfpga_header(buf, s.st_size + 4 + addsize + pad);
+ if (ret)
+ exit(1);
+
+ fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+ if (fd < 0) {
+ perror("open outfile");
+ exit(1);
+ }
+
+ ret = write_full(fd, buf, s.st_size + 4 + addsize + pad);
+ if (ret < 0) {
+ perror("write outfile");
+ exit(1);
+ }
+
+ exit(0);
+}
projects / buildroot.git / commitdiff