44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
|
|
|
|
Coreboot interface to memory-saving variant of LZMA decoder
|
|
|
|
(C)opyright 2006 Carl-Daniel Hailfinger
|
|
Released under the GNU GPL v2 or later
|
|
|
|
Parts of this file are based on C/7zip/Compress/LZMA_C/LzmaTest.c from the LZMA
|
|
SDK 4.42, which is written and distributed to public domain by Igor Pavlov.
|
|
|
|
*/
|
|
|
|
#include <libpayload.h>
|
|
#include "lzmadecode.c"
|
|
|
|
unsigned long ulzma(u8 *src, u8 *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) {
|
|
printf("Incorrect stream properties\n");
|
|
}
|
|
mallocneeds = (LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
|
|
if (mallocneeds > 15980) {
|
|
printf("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) {
|
|
printf("Decoding error = %d\n", res);
|
|
}
|
|
return outSize;
|
|
}
|