diff options
Diffstat (limited to 'util/cbfstool/cbfs-payload-linux.c')
| -rw-r--r-- | util/cbfstool/cbfs-payload-linux.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/util/cbfstool/cbfs-payload-linux.c b/util/cbfstool/cbfs-payload-linux.c index 53d455cfee..8c08fd2c73 100644 --- a/util/cbfstool/cbfs-payload-linux.c +++ b/util/cbfstool/cbfs-payload-linux.c @@ -34,14 +34,12 @@ struct bzpayload { struct buffer cmdline; struct buffer initrd; /* Output variables. */ - enum cbfs_compression algo; - comp_func_ptr compress; struct buffer output; size_t offset; struct cbfs_payload_segment *out_seg; }; -static int bzp_init(struct bzpayload *bzp, enum cbfs_compression algo) +static int bzp_init(struct bzpayload *bzp) { memset(bzp, 0, sizeof(*bzp)); @@ -50,13 +48,6 @@ static int bzp_init(struct bzpayload *bzp, enum cbfs_compression algo) */ bzp->num_segments = 1; - bzp->algo = algo; - bzp->compress = compression_function(algo); - if (bzp->compress == NULL) { - ERROR("Invalid compression algorithm specified.\n"); - return -1; - } - return 0; } @@ -139,7 +130,8 @@ static int bzp_init_output(struct bzpayload *bzp, const char *name) } static void bzp_output_segment(struct bzpayload *bzp, struct buffer *b, - uint32_t type, uint64_t load_addr) + uint32_t type, uint64_t load_addr, + enum cbfs_compression algo) { struct buffer out; struct cbfs_payload_segment *seg; @@ -163,8 +155,11 @@ static void bzp_output_segment(struct bzpayload *bzp, struct buffer *b, seg->mem_len = buffer_size(b); seg->offset = bzp->offset; - bzp->compress(buffer_get(b), buffer_size(b), buffer_get(&out), &len); - seg->compression = bzp->algo; + + comp_func_ptr compress_func = compression_function(algo); + compress_func(buffer_get(b), buffer_size(b), buffer_get(&out), &len); + + seg->compression = algo; seg->len = len; /* Update output offset. */ @@ -193,7 +188,12 @@ int parse_bzImage_to_payload(const struct buffer *input, struct linux_header *hdr = (struct linux_header *)input->data; unsigned int setup_size = 4 * 512; - if (bzp_init(&bzp, algo) != 0) + if (compression_function(algo) == NULL) { + ERROR("Invalid compression algorithm specified.\n"); + return -1; + } + + if (bzp_init(&bzp) != 0) return -1; if (bzp_add_trampoline(&bzp) != 0) @@ -293,26 +293,29 @@ int parse_bzImage_to_payload(const struct buffer *input, /* parameter block */ bzp_output_segment(&bzp, &bzp.parameters, - PAYLOAD_SEGMENT_DATA, LINUX_PARAM_LOC); + PAYLOAD_SEGMENT_DATA, LINUX_PARAM_LOC, algo); - /* code block */ + /* + * code block + * Note: There is no point in compressing the bzImage (it is already compressed) + */ bzp_output_segment(&bzp, &bzp.kernel, - PAYLOAD_SEGMENT_CODE, kernel_base); + PAYLOAD_SEGMENT_CODE, kernel_base, CBFS_COMPRESS_NONE); /* trampoline */ bzp_output_segment(&bzp, &bzp.trampoline, - PAYLOAD_SEGMENT_CODE, TRAMPOLINE_ENTRY_LOC); + PAYLOAD_SEGMENT_CODE, TRAMPOLINE_ENTRY_LOC, algo); /* cmdline */ bzp_output_segment(&bzp, &bzp.cmdline, - PAYLOAD_SEGMENT_DATA, COMMAND_LINE_LOC); + PAYLOAD_SEGMENT_DATA, COMMAND_LINE_LOC, algo); /* initrd */ bzp_output_segment(&bzp, &bzp.initrd, - PAYLOAD_SEGMENT_DATA, initrd_base); + PAYLOAD_SEGMENT_DATA, initrd_base, algo); /* Terminating entry segment. */ - bzp_output_segment(&bzp, NULL, PAYLOAD_SEGMENT_ENTRY, TRAMPOLINE_ENTRY_LOC); + bzp_output_segment(&bzp, NULL, PAYLOAD_SEGMENT_ENTRY, TRAMPOLINE_ENTRY_LOC, algo); /* Set size of buffer taking into account potential compression. */ buffer_set_size(&bzp.output, bzp.offset); |