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authorCarl-Daniel Hailfinger <Carl-Daniel Hailfinger>2006-09-14 15:12:36 +0000
committerRonald G. Minnich <rminnich@gmail.com>2006-09-14 15:12:36 +0000
commitcba07dd682f0142474f0aa235e97b6fcbc34d760 (patch)
treef825a9550774d81ebf92ca5ed7fd1d29c30eba2d /src/lib/lzma.c
parent7d9441276f144f0ffc5fe1523daaa63f916b9a25 (diff)
downloadcoreboot-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.c39
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;
+}