mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
90 lines
2.1 KiB
Diff
90 lines
2.1 KiB
Diff
--- a/ubi-utils/src/libubigen.c
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+++ b/ubi-utils/src/libubigen.c
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@@ -122,8 +122,9 @@ int ubigen_add_volume(const struct ubige
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return 0;
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}
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-void ubigen_init_ec_hdr(const struct ubigen_info *ui,
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- struct ubi_ec_hdr *hdr, long long ec)
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+static void __ubigen_init_ec_hdr(const struct ubigen_info *ui,
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+ struct ubi_ec_hdr *hdr, long long ec,
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+ int eof)
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{
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uint32_t crc;
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@@ -136,10 +137,22 @@ void ubigen_init_ec_hdr(const struct ubi
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hdr->data_offset = cpu_to_be32(ui->data_offs);
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hdr->image_seq = cpu_to_be32(ui->image_seq);
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+ if (eof) {
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+ hdr->padding1[0] = 'E';
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+ hdr->padding1[1] = 'O';
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+ hdr->padding1[2] = 'F';
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+ }
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+
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crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
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hdr->hdr_crc = cpu_to_be32(crc);
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}
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+void ubigen_init_ec_hdr(const struct ubigen_info *ui,
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+ struct ubi_ec_hdr *hdr, long long ec)
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+{
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+ __ubigen_init_ec_hdr(ui, hdr, ec, 0);
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+}
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+
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void ubigen_init_vid_hdr(const struct ubigen_info *ui,
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const struct ubigen_vol_info *vi,
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struct ubi_vid_hdr *hdr, int lnum,
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@@ -307,6 +320,39 @@ int ubigen_write_layout_vol(const struct
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}
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free(outbuf);
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+ return 0;
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+
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+out_free:
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+ free(outbuf);
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+ return -1;
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+}
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+
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+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
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+ int count, int out_fd)
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+{
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+ char *outbuf;
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+ int peb_size = ui->peb_size;
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+
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+ outbuf = malloc(peb_size);
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+ if (!outbuf) {
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+ sys_errmsg("cannot allocate %d bytes of memory", peb_size);
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+ return -1;
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+ }
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+
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+ memset(outbuf, 0xFF, peb_size);
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+ __ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec, 1);
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+
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+ while (count) {
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+ if (write(out_fd, outbuf, peb_size) != peb_size) {
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+ sys_errmsg("cannot write %d bytes to the output file",
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+ peb_size);
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+ goto out_free;
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+ }
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+
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+ count--;
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+ }
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+
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+ free(outbuf);
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return 0;
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out_free:
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--- a/ubi-utils/include/libubigen.h
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+++ b/ubi-utils/include/libubigen.h
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@@ -188,6 +188,9 @@ int ubigen_write_layout_vol(const struct
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long long ec1, long long ec2,
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struct ubi_vtbl_record *vtbl, int fd);
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+int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
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+ int count, int out_fd);
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+
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#ifdef __cplusplus
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}
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#endif
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