--- /dev/null
+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+# $Id: Makefile 6562 2009-01-21 11:19:24 ghd $
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=compcache
+PKG_VERSION:=0.5
+PKG_RELEASE:=$(PKG_VERSION)-1
+PKG_SOURCE_URL:=http://compcache.googlecode.com/files/
+PKG_MD5SUM:=eea73324e9e69178866f6c0fbc852f1f
+
+#PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/$(PKG_NAME)
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/compcache
+ SUBMENU:=Other modules
+ DEPENDS:=@LINUX_2_6 @BUSYBOX_CONFIG_SWAPONOFF
+ TITLE:=Driver for compressed ram swap device
+ VERSION:=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)+$(PKG_RELEASE)
+ FILES:=$(PKG_BUILD_DIR)/compcache.$(LINUX_KMOD_SUFFIX) \
+ $(PKG_BUILD_DIR)/sub-projects/compression/lzo-kmod/lzo1x.$(LINUX_KMOD_SUFFIX) \
+ $(PKG_BUILD_DIR)/sub-projects/allocators/xvmalloc-kmod/xvmalloc.$(LINUX_KMOD_SUFFIX)
+# AUTOLOAD:=$(call AutoLoad,10,xvmalloc lzo1x compcache+compcache_size_kbytes=2048)
+endef
+
+BUILDFLAGS:=-DCONFIG_BLK_DEV_COMPCACHE_DEBUG=0 \
+ -DCONFIG_BLK_DEV_COMPCACHE_STATS=1 \
+ -DCONFIG_XV_DEBUG=0 \
+ -DCONFIG_XV_STATS=1 \
+ -g -Wall
+
+
+define Build/Compile
+ $(MAKE) -C "$(LINUX_DIR)" \
+ CROSS_COMPILE="$(KERNEL_CROSS)" \
+ CC="$(KERNEL_CC)" \
+ ARCH="$(LINUX_KARCH)" \
+ SUBDIRS="$(PKG_BUILD_DIR)" \
+ EXTRA_CFLAGS="$(BUILDFLAGS)" \
+ modules
+endef
+
+define KernelPackage/compcache/install
+ $(INSTALL_DIR) $(1)/etc/config
+ $(INSTALL_DATA) ./files/compcache.config $(1)/etc/config/compcache
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/compcache.init $(1)/etc/init.d/compcache
+endef
+
+$(eval $(call KernelPackage,compcache))
--- /dev/null
+config compcache
+ option 'enabled' '0'
+ option 'size_kbytes' '2048'
--- /dev/null
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2008 OpenWrt.org
+START=19
+
+load_modules() {
+ local section="$1"
+ config_get "size_kbytes" "$section" "size_kbytes"
+ config_get_bool "enabled" "$section" "enabled" '1'
+ if [ "$enabled" -gt 0 ]; then
+ if [ "`lsmod | grep 'compcache'`" != "" ]; then
+ echo "compcache allready loaded"
+ else
+ insmod xvmalloc
+ insmod lzo1x
+ insmod compcache compcache_size_kbytes=$size_kbytes
+ fi
+ fi
+}
+
+remove_modules() {
+ local section="$1"
+ config_get_bool "enabled" "$section" "enabled" '1'
+ if [ "$enabled" -gt 0 ]; then
+ [ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ] && swapoff /dev/ramzswap0
+ [ "`lsmod | grep 'compcache'`" != "" ] && rmmod compcache > /dev/null
+ [ "`lsmod | grep 'lzo1x'`" != "" ] && rmmod lzo1x > /dev/null
+ [ "`lsmod | grep 'xvmalloc'`" != "" ] && rmmod xvmalloc > /dev/null
+ fi
+}
+
+start() {
+ config_load "compcache"
+ config_foreach load_modules "compcache"
+}
+
+stop() {
+ config_load "compcache"
+ config_foreach remove_modules "compcache"
+}
--- /dev/null
+diff -uNr compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_compress.c compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_compress.c
+--- compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_compress.c 2008-08-13 06:33:34.000000000 +0200
++++ compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_compress.c 2009-01-21 08:00:35.000000000 +0100
+@@ -62,8 +62,12 @@
+ goto literal;
+
+ try_match:
++#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+ if (get_unaligned((const unsigned short *)m_pos)
+ == get_unaligned((const unsigned short *)ip)) {
++#else
++ if (m_pos[0] == ip[0] && m_pos[1] == ip[1]) {
++#endif
+ if (likely(m_pos[2] == ip[2]))
+ goto match;
+ }
+@@ -94,9 +98,14 @@
+ }
+ *op++ = tt;
+ }
+- do {
+- *op++ = *ii++;
+- } while (--t > 0);
++ if (t >= 2 * 4) {
++ memcpy(op, ii, t);
++ op += t;
++ ii += t;
++ } else
++ do {
++ *op++ = *ii++;
++ } while (--t > 0);
+ }
+
+ ip += 3;
+@@ -208,9 +217,14 @@
+
+ *op++ = tt;
+ }
+- do {
+- *op++ = *ii++;
+- } while (--t > 0);
++ if (t >= 2 * 4) {
++ memcpy(op, ii, t);
++ op += t;
++ ii += t;
++ } else
++ do {
++ *op++ = *ii++;
++ } while (--t > 0);
+ }
+
+ *op++ = M4_MARKER | 1;
+@@ -224,4 +238,3 @@
+
+ MODULE_LICENSE("GPL");
+ MODULE_DESCRIPTION("LZO1X-1 Compressor");
+-
+diff -uNr compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_decompress.c compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_decompress.c
+--- compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_decompress.c 2008-08-13 06:33:42.000000000 +0200
++++ compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x_decompress.c 2009-01-21 07:49:41.000000000 +0100
+@@ -45,10 +45,7 @@
+ goto output_overrun;
+ if (HAVE_IP(t + 1, ip_end, ip))
+ goto input_overrun;
+- do {
+- *op++ = *ip++;
+- } while (--t > 0);
+- goto first_literal_run;
++ goto prep_first_literal_run;
+ }
+
+ while ((ip < ip_end)) {
+@@ -71,23 +68,20 @@
+ if (HAVE_IP(t + 4, ip_end, ip))
+ goto input_overrun;
+
+- COPY4(op, ip);
+- op += 4;
+- ip += 4;
+- if (--t > 0) {
+- if (t >= 4) {
+- do {
+- COPY4(op, ip);
+- op += 4;
+- ip += 4;
+- t -= 4;
+- } while (t >= 4);
+- if (t > 0) {
+- do {
+- *op++ = *ip++;
+- } while (--t > 0);
+- }
+- } else {
++ t += (4 - 1);
++ if (t >= 2 * 4) {
++ memcpy(op, ip, t);
++ op += t;
++ ip += t;
++ } else {
++ do {
++ COPY4(op, ip);
++ op += 4;
++ ip += 4;
++ t -= 4;
++ } while (t >= 4);
++ if (t > 0) {
++prep_first_literal_run:
+ do {
+ *op++ = *ip++;
+ } while (--t > 0);
+@@ -139,8 +133,7 @@
+ t += 31 + *ip++;
+ }
+ m_pos = op - 1;
+- m_pos -= le16_to_cpu(get_unaligned(
+- (const unsigned short *)ip)) >> 2;
++ m_pos -= get_unaligned_le16(ip) >> 2;
+ ip += 2;
+ } else if (t >= 16) {
+ m_pos = op;
+@@ -158,8 +151,7 @@
+ }
+ t += 7 + *ip++;
+ }
+- m_pos -= le16_to_cpu(get_unaligned(
+- (const unsigned short *)ip)) >> 2;
++ m_pos -= get_unaligned_le16(ip) >> 2;
+ ip += 2;
+ if (m_pos == op)
+ goto eof_found;
+@@ -184,21 +176,33 @@
+ if (HAVE_OP(t + 3 - 1, op_end, op))
+ goto output_overrun;
+
+- if (t >= 2 * 4 - (3 - 1) && (op - m_pos) >= 4) {
+- COPY4(op, m_pos);
+- op += 4;
+- m_pos += 4;
+- t -= 4 - (3 - 1);
+- do {
++ if (t >= 2 * 4 - (3 - 1)) {
++ /*
++ * Assume memcpy don't copy
++ * more than 32 bytes at once
++ */
++ if ((op - m_pos) >= 32) {
++ t += (3 - 1);
++ memcpy(op, m_pos, t);
++ op += t;
++ m_pos += t;
++ } else if ((op - m_pos) >= 4) {
+ COPY4(op, m_pos);
+ op += 4;
+ m_pos += 4;
+- t -= 4;
+- } while (t >= 4);
+- if (t > 0)
++ t -= 4 - (3 - 1);
+ do {
+- *op++ = *m_pos++;
+- } while (--t > 0);
++ COPY4(op, m_pos);
++ op += 4;
++ m_pos += 4;
++ t -= 4;
++ } while (t >= 4);
++ if (t > 0)
++ do {
++ *op++ = *m_pos++;
++ } while (--t > 0);
++ } else
++ goto copy_match;
+ } else {
+ copy_match:
+ *op++ = *m_pos++;
+@@ -247,9 +251,7 @@
+ *out_len = op - out;
+ return LZO_E_LOOKBEHIND_OVERRUN;
+ }
+-
+ EXPORT_SYMBOL_GPL(lzo1x_decompress_safe);
+
+ MODULE_LICENSE("GPL");
+ MODULE_DESCRIPTION("LZO1X Decompressor");
+-
--- /dev/null
+--- compcache-0.5/Makefile.bak 2008-12-10 07:25:44.000000000 +0100
++++ compcache-0.5/Makefile 2009-01-21 08:25:38.000000000 +0100
+@@ -4,15 +4,13 @@
+ -DCONFIG_XV_STATS \
+ -g -Wall
+
+-obj-m += sub-projects/compression/lzo-kmod/lzo1x_decompress.o \
+- sub-projects/compression/lzo-kmod/lzo1x_compress.o \
++obj-m += sub-projects/compression/lzo-kmod/lzo1x.o \
+ sub-projects/allocators/xvmalloc-kmod/xvmalloc.o \
+ compcache.o
+
+ all:
+ make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
+- @ln -sf sub-projects/compression/lzo-kmod/lzo1x_decompress.ko
+- @ln -sf sub-projects/compression/lzo-kmod/lzo1x_compress.ko
++ @ln -sf sub-projects/compression/lzo-kmod/lzo1x.ko
+ @ln -sf sub-projects/allocators/xvmalloc-kmod/xvmalloc.ko
+
+ clean:
+--- compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x.c~ 1970-01-01 01:00:00.000000000 +0100
++++ compcache-0.5/sub-projects/compression/lzo-kmod/lzo1x.c 2008-05-06 09:38:12.000000000 +0200
+@@ -0,0 +1,7 @@
++#include <linux/module.h>
++
++#include "lzo1x_compress.c"
++#include "lzo1x_decompress.c"
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("LZO1X Lib");
projects / openwrt / svn-archive / archive.git / commitdiff