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9700b1e3b6
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> git-svn-id: svn://coreboot.org/repository/coreboot-v3@685 f3766cd6-281f-0410-b1cd-43a5c92072e9
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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Coreboot interface to memory-saving variant of LZMA decoder
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(C)opyright 2006 Carl-Daniel Hailfinger
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Released under the GNU GPL v2 or later
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Parts of this file are based on C/7zip/Compress/LZMA_C/LzmaTest.c from the LZMA
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SDK 4.42, which is written and distributed to public domain by Igor Pavlov.
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*/
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#include "lzmadecode.c"
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#include "string.h"
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#include "console.h"
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#define LZMA_SCRATCHPAD_SIZE 15980
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unsigned long ulzma(u8 *src, u8 *dst)
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{
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unsigned char properties[LZMA_PROPERTIES_SIZE];
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UInt32 outSize;
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SizeT inProcessed;
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SizeT outProcessed;
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int res;
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CLzmaDecoderState state;
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SizeT mallocneeds;
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unsigned char scratchpad[LZMA_SCRATCHPAD_SIZE];
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memcpy(properties, src, LZMA_PROPERTIES_SIZE);
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outSize = *(UInt32 *)(src + LZMA_PROPERTIES_SIZE);
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if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK) {
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printk(BIOS_WARNING, "Incorrect stream properties\n");
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}
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mallocneeds = (LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
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if (mallocneeds > LZMA_SCRATCHPAD_SIZE) {
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printk(BIOS_WARNING, "Decoder scratchpad too small, have %i, need %i!\n",
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LZMA_SCRATCHPAD_SIZE, mallocneeds);
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}
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state.Probs = (CProb *)scratchpad;
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res = LzmaDecode(&state, src + LZMA_PROPERTIES_SIZE + 8, (SizeT)0xffffffff, &inProcessed,
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dst, outSize, &outProcessed);
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if (res != 0) {
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printk(BIOS_WARNING, "Decoding error = %d\n", res);
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}
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return outSize;
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}
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