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| author | Carl-Daniel Hailfinger <Carl-Daniel Hailfinger> | 2006-09-14 15:12:36 +0000 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2006-09-14 15:12:36 +0000 |
| commit | cba07dd682f0142474f0aa235e97b6fcbc34d760 (patch) | |
| tree | f825a9550774d81ebf92ca5ed7fd1d29c30eba2d /src/lib/lzma.c | |
| parent | 7d9441276f144f0ffc5fe1523daaa63f916b9a25 (diff) | |
| download | coreboot-cba07dd682f0142474f0aa235e97b6fcbc34d760.tar.xz | |
additions and mods for lzma.
Signed-off-by: Carl-Daniel Hailfinger
Signed-off-by: Ronald G. Minnich
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2413 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/lib/lzma.c')
| -rw-r--r-- | src/lib/lzma.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/lib/lzma.c b/src/lib/lzma.c new file mode 100644 index 0000000000..42746e1029 --- /dev/null +++ b/src/lib/lzma.c @@ -0,0 +1,39 @@ +/* + +LinuxBIOS interface to memory-saving variant of LZMA decoder +(C)opyright 2006 Carl-Daniel Hailfinger +Released under the GNU GPL + +*/ + +#include "lzmadecode.c" + + +static unsigned long ulzma(unsigned char * src, unsigned char * dst) +{ + unsigned char properties[LZMA_PROPERTIES_SIZE]; + UInt32 outSize; + SizeT inProcessed; + SizeT outProcessed; + int res; + CLzmaDecoderState state; + SizeT mallocneeds; + unsigned char scratchpad[15980]; + + memcpy(properties, src, LZMA_PROPERTIES_SIZE); + outSize = *(UInt32 *)(src + LZMA_PROPERTIES_SIZE); + if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK) { + printk_warning("Incorrect stream properties\n"); + } + mallocneeds = (LzmaGetNumProbs(&state.Properties) * sizeof(CProb)); + if (mallocneeds > 15980) { + printk_warning("Decoder scratchpad too small!\n"); + } + state.Probs = (CProb *)scratchpad; + res = LzmaDecode(&state, src + LZMA_PROPERTIES_SIZE + 8, (SizeT)0xffffffff, &inProcessed, + dst, outSize, &outProcessed); + if (res != 0) { + printk_warning("Decoding error = %d\n", res); + } + return outSize; +} |