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--- 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
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