diff options
author | Lionel Landwerlin <[email protected]> | 2017-03-10 16:14:43 +0000 |
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committer | Lionel Landwerlin <[email protected]> | 2017-03-13 13:36:31 +0000 |
commit | 3278cd7610588d28a895c2e2ca86aeaa39df9a1e (patch) | |
tree | b7c6da1f5becb080a9204b70e219e0e16bb46324 /src/intel/tools/decoder.c | |
parent | 351c951e095db47c7cf91b77838d2a7333d775a8 (diff) |
aubinator/genxml: use gzipped files to store embedded genxml
This reduces the size of the aubinator binary from ~1.4Mb to ~700Kb.
With can now drop the checks on xxd in configure.
v2: Fix incorrect makefile dependency (Lionel)
v3: use $(PYTHON2) (Emil)
Signed-off-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Diffstat (limited to 'src/intel/tools/decoder.c')
-rw-r--r-- | src/intel/tools/decoder.c | 68 |
1 files changed, 61 insertions, 7 deletions
diff --git a/src/intel/tools/decoder.c b/src/intel/tools/decoder.c index defb0873da0..72913601c04 100644 --- a/src/intel/tools/decoder.c +++ b/src/intel/tools/decoder.c @@ -28,6 +28,7 @@ #include <string.h> #include <expat.h> #include <inttypes.h> +#include <zlib.h> #include <util/macros.h> @@ -508,13 +509,62 @@ devinfo_to_xml_data(const struct gen_device_info *devinfo, return NULL; } +static uint32_t zlib_inflate(const void *compressed_data, + uint32_t compressed_len, + void **out_ptr) +{ + struct z_stream_s zstream; + void *out; + + memset(&zstream, 0, sizeof(zstream)); + + zstream.next_in = (unsigned char *)compressed_data; + zstream.avail_in = compressed_len; + + if (inflateInit(&zstream) != Z_OK) + return 0; + + out = malloc(4096); + zstream.next_out = out; + zstream.avail_out = 4096; + + do { + switch (inflate(&zstream, Z_SYNC_FLUSH)) { + case Z_STREAM_END: + goto end; + case Z_OK: + break; + default: + inflateEnd(&zstream); + return 0; + } + + if (zstream.avail_out) + break; + + out = realloc(out, 2*zstream.total_out); + if (out == NULL) { + inflateEnd(&zstream); + return 0; + } + + zstream.next_out = (unsigned char *)out + zstream.total_out; + zstream.avail_out = zstream.total_out; + } while (1); + end: + inflateEnd(&zstream); + *out_ptr = out; + return zstream.total_out; +} + struct gen_spec * gen_spec_load(const struct gen_device_info *devinfo) { struct parser_context ctx; void *buf; - const void *data; - uint32_t data_length = 0; + const void *zlib_data; + void *text_data; + uint32_t zlib_length = 0, text_length; memset(&ctx, 0, sizeof ctx); ctx.parser = XML_ParserCreate(NULL); @@ -529,22 +579,26 @@ gen_spec_load(const struct gen_device_info *devinfo) ctx.spec = xzalloc(sizeof(*ctx.spec)); - data = devinfo_to_xml_data(devinfo, &data_length); - buf = XML_GetBuffer(ctx.parser, data_length); + zlib_data = devinfo_to_xml_data(devinfo, &zlib_length); + text_length = zlib_inflate(zlib_data, zlib_length, &text_data); - memcpy(buf, data, data_length); + buf = XML_GetBuffer(ctx.parser, text_length); + memcpy(buf, text_data, text_length); - if (XML_ParseBuffer(ctx.parser, data_length, true) == 0) { + if (XML_ParseBuffer(ctx.parser, text_length, true) == 0) { fprintf(stderr, - "Error parsing XML at line %ld col %ld: %s\n", + "Error parsing XML at line %ld col %ld byte %ld/%u: %s\n", XML_GetCurrentLineNumber(ctx.parser), XML_GetCurrentColumnNumber(ctx.parser), + XML_GetCurrentByteIndex(ctx.parser), text_length, XML_ErrorString(XML_GetErrorCode(ctx.parser))); XML_ParserFree(ctx.parser); + free(text_data); return NULL; } XML_ParserFree(ctx.parser); + free(text_data); return ctx.spec; } |