14e2277962
while others dislike them being extra commits, let's clean them up once and for all for the existing code. If it's ugly, let it only be ugly once :-) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
48 lines
1.4 KiB
C
48 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 <console/console.h>
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#include <string.h>
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#include <lib.h>
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unsigned long ulzma(unsigned char * src, unsigned char * 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[15980];
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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, "lzma: Incorrect stream properties.\n");
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return 0;
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}
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mallocneeds = (LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
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if (mallocneeds > 15980) {
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printk(BIOS_WARNING, "lzma: Decoder scratchpad too small!\n");
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return 0;
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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, "lzma: Decoding error = %d\n", res);
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return 0;
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}
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return outSize;
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}
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