diff options
| -rw-r--r-- | util/cbfstool/cbfs_image.c | 64 |
1 files changed, 38 insertions, 26 deletions
diff --git a/util/cbfstool/cbfs_image.c b/util/cbfstool/cbfs_image.c index 1a522bd655..6775b069dd 100644 --- a/util/cbfstool/cbfs_image.c +++ b/util/cbfstool/cbfs_image.c @@ -153,6 +153,22 @@ void cbfs_put_header(void *dest, const struct cbfs_header *header) xdr_be.put32(&outheader, header->architecture); } +static void cbfs_decode_payload_segment(struct cbfs_payload_segment *output, + struct cbfs_payload_segment *input) +{ + struct buffer seg = { + .data = (void *)input, + .size = sizeof(*input), + }; + output->type = xdr_be.get32(&seg); + output->compression = xdr_be.get32(&seg); + output->offset = xdr_be.get32(&seg); + output->load_addr = xdr_be.get64(&seg); + output->len = xdr_be.get32(&seg); + output->mem_len = xdr_be.get32(&seg); + assert(seg.size == 0); +} + void cbfs_get_header(struct cbfs_header *header, const void *src) { struct buffer outheader; @@ -596,40 +612,35 @@ static int cbfs_print_stage_info(struct cbfs_stage *stage, FILE* fp) return 0; } -/* Return 1 when segment is of type PAYLOAD_SEGMENT_ENTRY. */ -static int cbfs_print_payload_segment_info(struct cbfs_payload_segment *seg_be, - FILE *fp) +static int cbfs_print_decoded_payload_segment_info( + struct cbfs_payload_segment *seg, FILE *fp) { - struct cbfs_payload_segment payload; - - xdr_get_seg(&payload, seg_be); - - switch(payload.type) { + /* The input (seg) must be already decoded by + * cbfs_decode_payload_segment. + */ + switch (seg->type) { case PAYLOAD_SEGMENT_CODE: case PAYLOAD_SEGMENT_DATA: fprintf(fp, " %s (%s compression, offset: 0x%x, " "load: 0x%" PRIx64 ", length: %d/%d)\n", - (payload.type == PAYLOAD_SEGMENT_CODE ? + (seg->type == PAYLOAD_SEGMENT_CODE ? "code " : "data"), lookup_name_by_type(types_cbfs_compression, - payload.compression, + seg->compression, "(unknown)"), - payload.offset, - payload.load_addr, - payload.len, payload.mem_len); + seg->offset, seg->load_addr, seg->len, + seg->mem_len); break; case PAYLOAD_SEGMENT_ENTRY: fprintf(fp, " entry (0x%" PRIx64 ")\n", - payload.load_addr); - return 1; + seg->load_addr); break; case PAYLOAD_SEGMENT_BSS: fprintf(fp, " BSS (address 0x%016" PRIx64 ", " "length 0x%x)\n", - payload.load_addr, - payload.len); + seg->load_addr, seg->len); break; case PAYLOAD_SEGMENT_PARAMS: @@ -639,14 +650,12 @@ static int cbfs_print_payload_segment_info(struct cbfs_payload_segment *seg_be, default: fprintf(fp, " 0x%x (%s compression, offset: 0x%x, " "load: 0x%" PRIx64 ", length: %d/%d\n", - payload.type, + seg->type, lookup_name_by_type(types_cbfs_compression, - payload.compression, + seg->compression, "(unknown)"), - payload.offset, - payload.load_addr, - payload.len, - payload.mem_len); + seg->offset, seg->load_addr, seg->len, + seg->mem_len); break; } return 0; @@ -692,10 +701,13 @@ int cbfs_print_entry_info(struct cbfs_image *image, struct cbfs_file *entry, payload = (struct cbfs_payload_segment *) CBFS_SUBHEADER(entry); while (payload) { - /* Stop when PAYLOAD_SEGMENT_ENTRY seen. */ - if (cbfs_print_payload_segment_info(payload, - fp)) + struct cbfs_payload_segment seg; + cbfs_decode_payload_segment(&seg, payload); + cbfs_print_decoded_payload_segment_info( + &seg, fp); + if (seg.type == PAYLOAD_SEGMENT_ENTRY) break; + else payload ++; } break; |