[U-Boot] [PATCH] add WATCHDOG_RESET to allow LZMA kernel decompression on slow machines
rhabarber1848
rhabarber1848 at web.de
Wed Jul 22 12:28:49 CEST 2009
Signed-off-by: rhabarber1848 <rhabarber1848 at web.de>
---
lib_generic/lzma/LzmaDec.c | 26 ++++++++++++++++++++++++++
lib_generic/lzma/LzmaTools.c | 4 ++++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/lib_generic/lzma/LzmaDec.c b/lib_generic/lzma/LzmaDec.c
index 89d934a..acffb14 100644
--- a/lib_generic/lzma/LzmaDec.c
+++ b/lib_generic/lzma/LzmaDec.c
@@ -1,6 +1,9 @@
/* LzmaDec.c -- LZMA Decoder
2008-11-06 : Igor Pavlov : Public domain */
+#include <config.h>
+#include <common.h>
+#include <watchdog.h>
#include "LzmaDec.h"
#include <string.h>
@@ -156,6 +159,8 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
UInt32 range = p->range;
UInt32 code = p->code;
+ WATCHDOG_RESET();
+
do
{
CLzmaProb *prob;
@@ -176,6 +181,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
if (state < kNumLitStates)
{
symbol = 1;
+
+ WATCHDOG_RESET();
+
do { GET_BIT(prob + symbol, symbol) } while (symbol < 0x100);
}
else
@@ -183,6 +191,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
unsigned matchByte = p->dic[(dicPos - rep0) + ((dicPos < rep0) ?
dicBufSize : 0)];
unsigned offs = 0x100;
symbol = 1;
+
+ WATCHDOG_RESET();
+
do
{
unsigned bit;
@@ -316,6 +327,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
{
UInt32 mask = 1;
unsigned i = 1;
+
+ WATCHDOG_RESET();
+
do
{
GET_BIT2(prob + i, i, ; , distance |= mask);
@@ -327,6 +341,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
else
{
numDirectBits -= kNumAlignBits;
+
+ WATCHDOG_RESET();
+
do
{
NORMALIZE
@@ -399,12 +416,18 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec
*p, SizeT limit, const Byte
ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos;
const Byte *lim = dest + curLen;
dicPos += curLen;
+
+ WATCHDOG_RESET();
+
do
*(dest) = (Byte)*(dest + src);
while (++dest != lim);
}
else
{
+
+ WATCHDOG_RESET();
+
do
{
dic[dicPos++] = dic[pos];
@@ -417,6 +440,9 @@ static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p,
SizeT limit, const Byte
}
}
while (dicPos < limit && buf < bufLimit);
+
+ WATCHDOG_RESET();
+
NORMALIZE;
p->buf = buf;
p->range = range;
diff --git a/lib_generic/lzma/LzmaTools.c b/lib_generic/lzma/LzmaTools.c
index c2a91e5..88ba399 100644
--- a/lib_generic/lzma/LzmaTools.c
+++ b/lib_generic/lzma/LzmaTools.c
@@ -36,6 +36,7 @@
#include <config.h>
#include <common.h>
+#include <watchdog.h>
#ifdef CONFIG_LZMA
@@ -112,6 +113,9 @@ int lzmaBuffToBuffDecompress (unsigned char *outStream,
SizeT *uncompressedSize,
/* Decompress */
outProcessed = outSizeFull;
+
+ WATCHDOG_RESET();
+
res = LzmaDecode(
outStream, &outProcessed,
inStream + LZMA_DATA_OFFSET, &compressedSize,
--
1.5.6.5
More information about the U-Boot
mailing list