diff options
Diffstat (limited to 'tools/mtd-utils/patches/136-mkfs.ubifs-xz-support.patch')
| -rw-r--r-- | tools/mtd-utils/patches/136-mkfs.ubifs-xz-support.patch | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/tools/mtd-utils/patches/136-mkfs.ubifs-xz-support.patch b/tools/mtd-utils/patches/136-mkfs.ubifs-xz-support.patch new file mode 100644 index 0000000..a574d2e --- /dev/null +++ b/tools/mtd-utils/patches/136-mkfs.ubifs-xz-support.patch @@ -0,0 +1,286 @@ +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + + # -*- sh -*- + +-CPPFLAGS += -I./include $(ZLIBCPPFLAGS) $(LZOCPPFLAGS) -I./include/linux/lzma ++CPPFLAGS += -I./include $(ZLIBCPPFLAGS) $(LZOCPPFLAGS) $(XZCPPFLAGS) -I./include/linux/lzma + + ifeq ($(WITHOUT_XATTR), 1) + CPPFLAGS += -DWITHOUT_XATTR +--- a/mkfs.ubifs/compr.c ++++ b/mkfs.ubifs/compr.c +@@ -127,6 +127,114 @@ static inline int lzo_init(void) { retur + static inline void lzo_fini(void) { } + #endif + ++#ifndef WITHOUT_XZ ++ ++#include <lzma.h> ++ ++struct xz_ctx { ++ lzma_filter filters[3]; ++ lzma_options_lzma opts; ++}; ++ ++static struct xz_ctx *xz_ctx; ++ ++#define LZMA_COMPRESSION_LEVEL 9 ++ ++static struct xz_ctx *xz_ctx_init(void) ++{ ++ struct xz_ctx *ctx; ++ lzma_options_lzma *opts_lzma; ++ uint32_t preset; ++ int ret; ++ ++ ctx = malloc(sizeof(struct xz_ctx)); ++ if (ctx == NULL) ++ goto err; ++ ++ memset(ctx, 0, sizeof(struct xz_ctx)); ++ ++ opts_lzma = &ctx->opts; ++ ++ preset = LZMA_COMPRESSION_LEVEL | LZMA_PRESET_EXTREME; ++ ret = lzma_lzma_preset(opts_lzma, preset); ++ if (ret) ++ goto err_free_ctx; ++ ++ /* TODO: allow to specify LZMA options via command line */ ++#if 0 ++ opts_lzma->lc = 3; ++ opts_lzma->lp = 0; ++ opts_lzma->pb = 2; ++ opts_lzma->nice_len = 64; ++#else ++ opts_lzma->lc = 0; ++ opts_lzma->lp = 2; ++ opts_lzma->pb = 2; ++ opts_lzma->nice_len = 64; ++#endif ++ ++ ctx->filters[0].id = LZMA_FILTER_LZMA2; ++ ctx->filters[0].options = opts_lzma; ++ ctx->filters[1].id = LZMA_VLI_UNKNOWN; ++ ++ return ctx; ++ ++err_free_ctx: ++ free(ctx); ++err: ++ return NULL; ++} ++ ++static void xz_ctx_free(struct xz_ctx *ctx) ++{ ++ free(ctx); ++} ++ ++static int xz_init(void) ++{ ++ xz_ctx = xz_ctx_init(); ++ if (xz_ctx == NULL) ++ return -1; ++ ++ return 0; ++} ++ ++static void xz_fini(void) ++{ ++ xz_ctx_free(xz_ctx); ++} ++ ++static int xz_compress(void *in_buf, size_t in_len, void *out_buf, ++ size_t *out_len) ++{ ++ size_t ret_len; ++ lzma_ret ret_xz; ++ int ret; ++ ++ ret = -1; ++ ++ ret_len = 0; ++ ret_xz = lzma_stream_buffer_encode(xz_ctx->filters, LZMA_CHECK_CRC32, ++ NULL, in_buf, in_len, out_buf, ++ &ret_len, *out_len); ++ if (ret_xz != LZMA_OK) { ++ fprintf(stderr, "XZ error: %d\n", (int) ret_xz); ++ goto out; ++ } ++ ++ *out_len = ret_len; ++ ++ ret = 0; ++out: ++ return ret; ++} ++#else ++static inline int xz_init(void) { return 0; } ++static inline void xz_fini(void) { } ++static inline int xz_compress(void *in_buf, size_t in_len, void *out_buf, ++ size_t *out_len) { return -1; } ++#endif ++ + static int no_compress(void *in_buf, size_t in_len, void *out_buf, + size_t *out_len) + { +@@ -199,6 +307,9 @@ int compress_data(void *in_buf, size_t i + case MKFS_UBIFS_COMPR_LZO: + ret = lzo_compress(in_buf, in_len, out_buf, out_len); + break; ++ case MKFS_UBIFS_COMPR_XZ: ++ ret = xz_compress(in_buf, in_len, out_buf, out_len); ++ break; + case MKFS_UBIFS_COMPR_ZLIB: + ret = zlib_deflate(in_buf, in_len, out_buf, out_len); + break; +@@ -226,12 +337,18 @@ int init_compression(void) + if (ret) + goto err; + ++ ret = xz_init(); ++ if (ret) ++ goto err_lzo; ++ + zlib_buf = malloc(UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR); + if (!zlib_buf) +- goto err_lzo; ++ goto err_xz; + + return 0; + ++err_xz: ++ xz_fini(); + err_lzo: + lzo_fini(); + err: +@@ -241,6 +358,7 @@ err: + void destroy_compression(void) + { + free(zlib_buf); ++ xz_fini(); + lzo_fini(); + if (errcnt) + fprintf(stderr, "%llu compression errors occurred\n", errcnt); +--- a/mkfs.ubifs/compr.h ++++ b/mkfs.ubifs/compr.h +@@ -36,6 +36,7 @@ enum compression_type + MKFS_UBIFS_COMPR_NONE, + MKFS_UBIFS_COMPR_LZO, + MKFS_UBIFS_COMPR_ZLIB, ++ MKFS_UBIFS_COMPR_XZ, + }; + + int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len, +--- a/mkfs.ubifs/Makefile ++++ b/mkfs.ubifs/Makefile +@@ -6,21 +6,33 @@ ALL_SOURCES=*.[ch] hashtable/*.[ch] + + TARGETS = mkfs.ubifs + ++MKFS_UBIFS_OBJS = $(addprefix $(BUILDDIR)/,\ ++ crc16.o lpt.o compr.o devtable.o \ ++ hashtable/hashtable.o hashtable/hashtable_itr.o) ++ + ifeq ($(WITHOUT_LZO), 1) + CPPFLAGS += -DWITHOUT_LZO + else + LZOLDLIBS = -llzo2 + endif + +-LDLIBS_mkfs.ubifs = -lz $(LZOLDLIBS) -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi ++ifeq ($(WITHOUT_XZ), 1) ++ CPPFLAGS += -DWITHOUT_XZ ++else ++ifneq ($(LZMA_STATIC_LIB),) ++ MKFS_UBIFS_OBJS += $(LZMA_STATIC_LIB) ++else ++ XZLDLIBS = -llzma ++endif ++endif ++ ++LDLIBS_mkfs.ubifs = -lz $(LZOLDLIBS) $(XZLDLIBS) -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi + LDLIBS_mkfs.ubifs += -L$(BUILDDIR)/../lib -lmtd +-LDLIBS_mkfs.ubifs += $(ZLIBLDFLAGS) $(LZOLDFLAGS) ++LDLIBS_mkfs.ubifs += $(ZLIBLDFLAGS) $(LZOLDFLAGS) $(XZLDFLAGS) + + include ../common.mk + +-$(BUILDDIR)/mkfs.ubifs: $(addprefix $(BUILDDIR)/,\ +- crc16.o lpt.o compr.o devtable.o \ +- hashtable/hashtable.o hashtable/hashtable_itr.o) ++$(BUILDDIR)/mkfs.ubifs: $(MKFS_UBIFS_OBJS) + + clean:: + rm -f $(BUILDDIR)/hashtable/*.o cscope.* +--- a/mkfs.ubifs/mkfs.ubifs.c ++++ b/mkfs.ubifs/mkfs.ubifs.c +@@ -178,8 +178,8 @@ static const char *helptext = + "-o, --output=FILE output to FILE\n" + "-j, --jrn-size=SIZE journal size\n" + "-R, --reserved=SIZE how much space should be reserved for the super-user\n" +-"-x, --compr=TYPE compression type - \"lzo\", \"favor_lzo\", \"zlib\" or\n" +-" \"none\" (default: \"lzo\")\n" ++"-x, --compr=TYPE compression type - \"lzo\", \"favor_lzo\", \"zlib\",\n" ++" \"xz\" or \"none\" (default: \"lzo\")\n" + "-X, --favor-percent may only be used with favor LZO compression and defines\n" + " how many percent better zlib should compress to make\n" + " mkfs.ubifs use zlib instead of LZO (default 20%)\n" +@@ -208,7 +208,7 @@ static const char *helptext = + "-h, --help display this help text\n\n" + "Note, SIZE is specified in bytes, but it may also be specified in Kilobytes,\n" + "Megabytes, and Gigabytes if a KiB, MiB, or GiB suffix is used.\n\n" +-"If you specify \"lzo\" or \"zlib\" compressors, mkfs.ubifs will use this compressor\n" ++"If you specify \"lzo\", \"xz\" or \"zlib\" compressors, mkfs.ubifs will use this compressor\n" + "for all data. The \"none\" disables any data compression. The \"favor_lzo\" is not\n" + "really a separate compressor. It is just a method of combining \"lzo\" and \"zlib\"\n" + "compressors. Namely, mkfs.ubifs tries to compress data with both \"lzo\" and \"zlib\"\n" +@@ -653,10 +653,13 @@ static int get_options(int argc, char**a + c->favor_lzo = 1; + else if (strcmp(optarg, "zlib") == 0) + c->default_compr = UBIFS_COMPR_ZLIB; ++ else if (strcmp(optarg, "xz") == 0) ++ c->default_compr = UBIFS_COMPR_XZ; + else if (strcmp(optarg, "none") == 0) + c->default_compr = UBIFS_COMPR_NONE; + else if (strcmp(optarg, "lzo") != 0) +- return err_msg("bad compressor name"); ++ return err_msg("bad compressor name '%s'", ++ optarg); + break; + case 'X': + c->favor_percent = strtol(optarg, &endp, 0); +@@ -765,6 +768,9 @@ static int get_options(int argc, char**a + case UBIFS_COMPR_ZLIB: + printf("\tcompr: zlib\n"); + break; ++ case UBIFS_COMPR_XZ: ++ printf("\tcompr: xz\n"); ++ break; + case UBIFS_COMPR_NONE: + printf("\tcompr: none\n"); + break; +--- a/mkfs.ubifs/mkfs.ubifs.h ++++ b/mkfs.ubifs/mkfs.ubifs.h +@@ -77,6 +77,9 @@ + #if MKFS_UBIFS_COMPR_ZLIB != UBIFS_COMPR_ZLIB + #error MKFS_UBIFS_COMPR_ZLIB != UBIFS_COMPR_ZLIB + #endif ++#if MKFS_UBIFS_COMPR_XZ != UBIFS_COMPR_XZ ++#error MKFS_UBIFS_COMPR_XZ != UBIFS_COMPR_XZ ++#endif + + extern int verbose; + extern int debug_level; +--- a/mkfs.ubifs/ubifs-media.h ++++ b/mkfs.ubifs/ubifs-media.h +@@ -303,6 +303,7 @@ enum { + UBIFS_COMPR_NONE, + UBIFS_COMPR_LZO, + UBIFS_COMPR_ZLIB, ++ UBIFS_COMPR_XZ, + UBIFS_COMPR_TYPES_CNT, + }; + |