Initial commit

tools/mtd-utils/patches/200-libubigen-add-ubigen_write_terminator-function.patch

@@ -0,0 +1,89 @@
+--- a/lib/libubigen.c
++++ b/lib/libubigen.c
+@@ -122,8 +122,9 @@ int ubigen_add_volume(const struct ubige
+ 	return 0;
+ }
+ 
+-void ubigen_init_ec_hdr(const struct ubigen_info *ui,
+-		        struct ubi_ec_hdr *hdr, long long ec)
++static void __ubigen_init_ec_hdr(const struct ubigen_info *ui,
++				 struct ubi_ec_hdr *hdr, long long ec,
++				 int eof)
+ {
+ 	uint32_t crc;
+ 
+@@ -136,10 +137,22 @@ void ubigen_init_ec_hdr(const struct ubi
+ 	hdr->data_offset = cpu_to_be32(ui->data_offs);
+ 	hdr->image_seq = cpu_to_be32(ui->image_seq);
+ 
++	if (eof) {
++		hdr->padding1[0] = 'E';
++		hdr->padding1[1] = 'O';
++		hdr->padding1[2] = 'F';
++	}
++
+ 	crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
+ 	hdr->hdr_crc = cpu_to_be32(crc);
+ }
+ 
++void ubigen_init_ec_hdr(const struct ubigen_info *ui,
++		        struct ubi_ec_hdr *hdr, long long ec)
++{
++	__ubigen_init_ec_hdr(ui, hdr, ec, 0);
++}
++
+ void ubigen_init_vid_hdr(const struct ubigen_info *ui,
+ 			 const struct ubigen_vol_info *vi,
+ 			 struct ubi_vid_hdr *hdr, int lnum,
+@@ -307,6 +320,39 @@ int ubigen_write_layout_vol(const struct
+ 	}
+ 
+ 	free(outbuf);
++	return 0;
++
++out_free:
++	free(outbuf);
++	return -1;
++}
++
++int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
++			     int count, int out_fd)
++{
++	char *outbuf;
++	int peb_size = ui->peb_size;
++
++	outbuf = malloc(peb_size);
++	if (!outbuf) {
++		sys_errmsg("cannot allocate %d bytes of memory", peb_size);
++		return -1;
++	}
++
++	memset(outbuf, 0xFF, peb_size);
++	__ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec, 1);
++
++	while (count) {
++		if (write(out_fd, outbuf, peb_size) != peb_size) {
++			sys_errmsg("cannot write %d bytes to the output file",
++				   peb_size);
++			goto out_free;
++		}
++
++		count--;
++	}
++
++	free(outbuf);
+ 	return 0;
+ 
+ out_free:
+--- a/include/libubigen.h
++++ b/include/libubigen.h
+@@ -187,6 +187,9 @@ int ubigen_write_layout_vol(const struct
+ 			    long long ec1, long long ec2,
+ 			    struct ubi_vtbl_record *vtbl, int fd);
+ 
++int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
++			     int count, int out_fd);
++
+ #ifdef __cplusplus
+ }
+ #endif