/* 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; }