neuros-pkggen native: add tool to generate ready to flash upk images

9 files changed, 1333 insertions, 0 deletions

diff --git a/packages/neuros-pkggen/files/.mtn2git_empty b/packages/neuros-pkggen/files/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/neuros-pkggen/files/.mtn2git_empty
diff --git a/packages/neuros-pkggen/files/Makefile b/packages/neuros-pkggen/files/Makefile
new file mode 100644
index 0000000000..fed6835d06
--- /dev/null
+++ b/packages/neuros-pkggen/files/Makefile
@@ -0,0 +1,68 @@
+# *  Copyright(C) 2007 Neuros Technology International LLC. 
+# *               <www.neurostechnology.com>
+# *
+# *  ubootcmd application make file..............TQ 2007-02-05
+
+
+# include system config 
+include config
+
+
+# executable name
+NT_PACKET     := packet_osd2
+
+
+# project directories
+PACKET_DIR_ROOT   := .
+
+# compiler flags
+CFLAGS         += $(DEFINES) -Wall -Werror
+
+# object files
+OBJS           := package.o crc32.o
+
+# build all
+.PHONY: all
+all: $(NT_PACKET)
+
+$(NT_PACKET): $(OBJS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS)
+
+# install
+install: $(NT_PACKET)
+	@echo
+	@echo "Installing $(NT_PACKET) ... "
+	@cp $(NT_PACKET) $(BSP_ROOT)/images/
+	@echo
+
+# clean up project
+.PHONY: clean
+
+clean:
+	@echo
+	@rm -f $(NT_PACKET)
+	@for dir in  $(PACKET_DIR_ROOT); do \
+		echo "Entering $$dir ..."; \
+		for file in $$dir/*~ $$dir/*.o $$dir/*.d; do \
+			if [ -f $$file ]; then \
+				echo "removing $$file"; \
+				rm $$file; \
+			fi; \
+		done; \
+	done
+	@echo
+
+# include the C include dependencies
+-include $(OBJS:.o=.d)
+
+
+# calculate C inlcude dependencies
+%.d: %.c
+	@set -e; rm -f $@; \
+	$(CC) -MM $(CFLAGS) $< > $@.$$$$; \
+	sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
+	rm -f $@.$$$$
+
+
+# include make rules. 
+include Makefile.rules
diff --git a/packages/neuros-pkggen/files/Makefile.rules b/packages/neuros-pkggen/files/Makefile.rules
new file mode 100644
index 0000000000..17550c5e39
--- /dev/null
+++ b/packages/neuros-pkggen/files/Makefile.rules
@@ -0,0 +1,18 @@
+# *  Copyright(C) 2007 Neuros Technology International LLC. 
+# *               <www.neurostechnology.com>
+# *
+# *  Terminal application make rules..........TQ 2007-02-05
+
+## build target config.
+ifeq ($(BUILD_TARGET), ARM)
+DEFINES += -DBUILD_TARGET_ARM=1
+else
+DEFINES += -DBUILD_TARGET_ARM=0
+endif
+
+## global test code switch.
+ifeq ($(INCLUDE_TEST_CODE), YES)
+DEFINES += -DTERMINAL_TEST_CODE=1
+else
+DEFINES += -DTERMINAL_TEST_CODE=0
+endif
diff --git a/packages/neuros-pkggen/files/config b/packages/neuros-pkggen/files/config
new file mode 100644
index 0000000000..d323978b6d
--- /dev/null
+++ b/packages/neuros-pkggen/files/config
@@ -0,0 +1,40 @@
+# *  Copyright(C) 2007 Neuros Technology International LLC. 
+# *               <www.neurostechnology.com>
+# *
+# *  Terminal application config file.........TQ 2007-02-05
+
+# build target
+#       ARM  -- Neuros hardware.
+#       HOST -- Host PC
+BUILD_TARGET := HOST
+
+# global test code switch
+#       YES  -- include test code
+#       NO   -- exclude all test code
+INCLUDE_TEST_CODE:= NO
+
+# BSP root directory
+BSP_ROOT     := $(PRJROOT)
+
+
+# setting up tools etc.
+ifeq ($(BUILD_TARGET), ARM)
+     TOOLS_PREFIX :=arm-linux-
+     PROJ_TERMINAL_ENV :="--ARM--"
+     TOOLS_PATH   :=${PATH}:${BSP_ROOT}/toolchain/bin
+endif
+ifeq ($(BUILD_TARGET), HOST)
+     TOOLS_PREFIX:=
+     PROJ_TERMINAL_ENV="--HOST--"
+     TOOLS_PATH   :=${PATH}     
+endif
+PATH:=${TOOLS_PATH}
+
+
+# tools definition
+CC    := $(TOOLS_PREFIX)gcc
+CXX   := $(TOOLS_PREFIX)g++
+AR    := $(TOOLS_PREFIX)ar
+LD    := $(TOOLS_PREFIX)ld
+NM    := $(TOOLS_PREFIX)nm
+STRIP := $(TOOLS_PREFIX)strip
diff --git a/packages/neuros-pkggen/files/crc32.c b/packages/neuros-pkggen/files/crc32.c
new file mode 100644
index 0000000000..995a11413d
--- /dev/null
+++ b/packages/neuros-pkggen/files/crc32.c
@@ -0,0 +1,198 @@
+/*
+ * This file is derived from crc32.c from the zlib-1.1.3 distribution
+ * by Jean-loup Gailly and Mark Adler.
+ */
+
+/* crc32.c -- compute the CRC-32 of a data stream
+ * Copyright (C) 1995-1998 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+#if 0
+#ifndef USE_HOSTCC	/* Shut down "ANSI does not permit..." warnings */
+#include <common.h>	/* to get command definitions like CFG_CMD_JFFS2 */
+#endif
+#endif
+
+#include "zlib.h"
+
+#define local static
+#define ZEXPORT	/* empty */
+unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+
+#ifdef DYNAMIC_CRC_TABLE
+
+local int crc_table_empty = 1;
+local uLongf crc_table[256];
+local void make_crc_table OF((void));
+
+/*
+  Generate a table for a byte-wise 32-bit CRC calculation on the polynomial:
+  x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
+
+  Polynomials over GF(2) are represented in binary, one bit per coefficient,
+  with the lowest powers in the most significant bit.  Then adding polynomials
+  is just exclusive-or, and multiplying a polynomial by x is a right shift by
+  one.  If we call the above polynomial p, and represent a byte as the
+  polynomial q, also with the lowest power in the most significant bit (so the
+  byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
+  where a mod b means the remainder after dividing a by b.
+
+  This calculation is done using the shift-register method of multiplying and
+  taking the remainder.  The register is initialized to zero, and for each
+  incoming bit, x^32 is added mod p to the register if the bit is a one (where
+  x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
+  x (which is shifting right by one and adding x^32 mod p if the bit shifted
+  out is a one).  We start with the highest power (least significant bit) of
+  q and repeat for all eight bits of q.
+
+  The table is simply the CRC of all possible eight bit values.  This is all
+  the information needed to generate CRC's on data a byte at a time for all
+  combinations of CRC register values and incoming bytes.
+*/
+local void make_crc_table()
+{
+  uLong c;
+  int n, k;
+  uLong poly;            /* polynomial exclusive-or pattern */
+  /* terms of polynomial defining this crc (except x^32): */
+  static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
+
+  /* make exclusive-or pattern from polynomial (0xedb88320L) */
+  poly = 0L;
+  for (n = 0; n < sizeof(p)/sizeof(Byte); n++)
+    poly |= 1L << (31 - p[n]);
+
+  for (n = 0; n < 256; n++)
+  {
+    c = (uLong)n;
+    for (k = 0; k < 8; k++)
+      c = c & 1 ? poly ^ (c >> 1) : c >> 1;
+    crc_table[n] = c;
+  }
+  crc_table_empty = 0;
+}
+#else
+/* ========================================================================
+ * Table of CRC-32's of all single-byte values (made by make_crc_table)
+ */
+local const uLongf crc_table[256] = {
+  0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+  0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+  0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+  0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+  0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+  0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+  0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+  0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+  0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+  0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+  0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+  0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+  0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+  0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+  0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+  0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+  0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+  0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+  0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+  0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+  0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+  0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+  0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+  0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+  0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+  0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+  0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+  0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+  0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+  0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+  0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+  0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+  0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+  0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+  0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+  0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+  0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+  0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+  0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+  0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+  0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+  0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+  0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+  0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+  0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+  0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+  0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+  0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+  0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+  0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+  0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+  0x2d02ef8dL
+};
+#endif
+
+#if 0
+/* =========================================================================
+ * This function can be used by asm versions of crc32()
+ */
+const uLongf * ZEXPORT get_crc_table()
+{
+#ifdef DYNAMIC_CRC_TABLE
+  if (crc_table_empty) make_crc_table();
+#endif
+  return (const uLongf *)crc_table;
+}
+#endif
+
+/* ========================================================================= */
+#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
+#define DO2(buf)  DO1(buf); DO1(buf);
+#define DO4(buf)  DO2(buf); DO2(buf);
+#define DO8(buf)  DO4(buf); DO4(buf);
+
+/* ========================================================================= */
+uLong ZEXPORT crc32(crc, buf, len)
+    uLong crc;
+    const Bytef *buf;
+    uInt len;
+{
+#ifdef DYNAMIC_CRC_TABLE
+    if (crc_table_empty)
+      make_crc_table();
+#endif
+    crc = crc ^ 0xffffffffL;
+    while (len >= 8)
+    {
+      DO8(buf);
+      len -= 8;
+    }
+    if (len) do {
+      DO1(buf);
+    } while (--len);
+    return crc ^ 0xffffffffL;
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+
+/* No ones complement version. JFFS2 (and other things ?)
+ * don't use ones compliment in their CRC calculations.
+ */
+uLong ZEXPORT crc32_no_comp(uLong crc, const Bytef *buf, uInt len)
+{
+#ifdef DYNAMIC_CRC_TABLE
+    if (crc_table_empty)
+      make_crc_table();
+#endif
+    while (len >= 8)
+    {
+      DO8(buf);
+      len -= 8;
+    }
+    if (len) do {
+      DO1(buf);
+    } while (--len);
+
+    return crc;
+}
+
+#endif	/* CFG_CMD_JFFS2 */
diff --git a/packages/neuros-pkggen/files/package.c b/packages/neuros-pkggen/files/package.c
new file mode 100644
index 0000000000..853d4384db
--- /dev/null
+++ b/packages/neuros-pkggen/files/package.c
@@ -0,0 +1,410 @@
+/*
+ *  Copyright(C) 2005 Neuros Technology International LLC. 
+ *               <www.neurostechnology.com>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that, in addition to its 
+ *  original purpose to support Neuros hardware, it will be useful 
+ *  otherwise, but WITHOUT ANY WARRANTY; without even the implied 
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *****************************************************************************/
+/** package.c
+ *
+ *  This file for packaging some images to one package.
+ *  The package is named r3.upk.
+ *
+ *  02/22/2005	        T.Qiu	
+ *			Initial creation.
+ *  11/07/2007          T.Qiu
+ *                      change follow the new UPK structure
+ *  05/15/2008          JWU
+ *                      change for osd2.0
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include "package.h"
+
+#define RETRYTIMES  15
+#define VER_LIMIT_LEN	14
+#define VER_HW2_LEN	4
+#define SAFE_SIZE (250*1024*1024) //250MB
+
+static package_header_t p_head;
+static image_info_t     i_info[10];
+
+static void print_image_info(image_info_t *iif)
+{
+    printf("iif->i_type: %x\n",        iif->i_type);
+    printf("iif->i_imagesize: %d\n",   iif->i_imagesize);
+    printf("iif->i_startaddr_p: %d\n", iif->i_startaddr_p);
+    printf("iif->i_startaddr_f: %x\n", iif->i_startaddr_f);
+    printf("iif->i_endaddr_f: %x\n",   iif->i_endaddr_f);
+    printf("iif->i_name: %s\n",        iif->i_name);
+    printf("iif->i_version: %s\n",     iif->i_version);
+}
+
+static void print_head_info(void)
+{
+    package_header_t *phd = &p_head;
+
+    printf("phd->p_headsize: %x\n", phd->p_headsize);
+    printf("phd->p_reserve: %x\n",  phd->p_reserve);
+    printf("phd->p_headcrc: %x\n",  phd->p_headcrc);
+    printf("phd->p_datasize: %d\n", phd->p_datasize);
+    printf("phd->p_datacrc: %x\n",  phd->p_datacrc);
+    printf("phd->p_name: %s\n",     phd->p_name);
+    printf("phd->p_vuboot: %s\n",   phd->p_vuboot);
+    printf("phd->p_vkernel: %s\n",  phd->p_vkernel);
+    printf("phd->p_vrootfs: %s\n",  phd->p_vrootfs);
+    printf("phd->p_imagenum: %x\n", phd->p_imagenum);
+}
+
+static void print_version_info(version_info *ver_t)
+{
+    printf("ver_t->upk_desc: %s\n", ver_t->upk_desc);
+    printf("ver_t->pack_id: %s\n",  ver_t->pack_id);
+    printf("ver_t->os_ver : %s\n",  ver_t->os_ver);
+    printf("ver_t->app_ver: %s\n",  ver_t->app_ver);
+}
+
+static int pack_firmware(FILE *fp_w, uint32 offst, int num, char *name[])
+{
+    FILE *fp_r;
+    int i, j;
+    uint32 curptr, extcrc;
+    char ch;
+    package_header_t *phd = &p_head;
+    image_info_t     *iif;
+
+    /* read version file */
+    if ((fp_r = fopen(UBOOT_VER_FILE, "rb")) == NULL)
+    {
+        printf("Can't open uboot version file: %s\n", UBOOT_VER_FILE);
+        return(-1);
+    }
+    j=0;
+    while (1)
+    {
+        if (feof(fp_r)) break;
+        if (j > VER_LIMIT_LEN+1)
+        {
+            printf("uboot version can't be longer than 14\n");
+            goto bail;
+        }
+        phd->p_vuboot[j] = fgetc(fp_r);
+        if ((phd->p_vuboot[j]==0x0d) || (phd->p_vuboot[j]==0x0a))
+            phd->p_vuboot[j] = '\0';
+        j++;
+    }
+    fclose(fp_r);
+
+    if ((fp_r = fopen(KERNEL_VER_FILE, "rb")) == NULL)
+    {
+        printf("Can't open kernel version file: %s\n", KERNEL_VER_FILE);
+        return(-1);
+    }
+    j=0;
+    while (1)
+    {
+        if (feof(fp_r)) break;
+        if (j > VER_LIMIT_LEN+1)
+        {
+            printf("kernel version can't be longer than 14\n");
+            goto bail;
+        }
+        phd->p_vkernel[j]=fgetc(fp_r);
+        if ((phd->p_vkernel[j]==0x0d) || (phd->p_vkernel[j]==0x0a))
+            phd->p_vkernel[j] = '\0';
+        j++; 
+    }
+    fclose(fp_r);
+
+    if ((fp_r = fopen(ROOTFS_VER_FILE, "rb")) == NULL)
+    {
+        printf("Can't open rootfs version file: %s\n", ROOTFS_VER_FILE);
+        return(-1);
+    }
+    j=0;
+    while (1)
+    {
+        if (feof(fp_r)) break;
+        if (j > VER_LIMIT_LEN+1)
+        {
+            printf("rootfs version can't be longer than 14\n");
+            goto bail;
+        }
+        phd->p_vrootfs[j] = fgetc(fp_r);
+        if ((phd->p_vrootfs[j]==0x0d) ||(phd->p_vrootfs[j]==0x0a))
+            phd->p_vrootfs[j] = '\0';
+        j++;
+    }
+    fclose(fp_r);
+
+    phd->p_imagenum = (uint8)num;
+    phd->p_headsize = sizeof(package_header_t) + phd->p_imagenum * sizeof(image_info_t);
+
+    /* Bit[3] use to indicate osd2.0 package */
+    phd->p_reserve = 0x08;
+
+    phd->p_datasize = 0;
+    phd->p_datacrc  = 0;
+    phd->p_headcrc  = 0;
+
+    curptr = phd->p_headsize + sizeof(version_info);
+
+    for (i=0; i < phd->p_imagenum; i++)
+    {
+        /* image info */
+        iif = &i_info[i];
+        if (strncmp(name[i], ROOTFS_FILE_NAME, strlen(ROOTFS_FILE_NAME)) == 0)
+        {
+            iif->i_type = IH_TYPE_ROOTFS;
+            strncpy((char *)iif->i_name, ROOTFS_FILE_NAME, NAMELEN-1);
+
+            if ((fp_r = fopen(ROOTFS_VER_FILE, "rb")) == NULL)
+            {
+                printf("Can't open kernel version file: %s\n", ROOTFS_VER_FILE);
+                break;
+            }
+            for (j = 0; j < sizeof(iif->i_version); j++)
+            {
+                if (feof(fp_r)) break;
+                iif->i_version[j] = fgetc(fp_r);
+                if ((iif->i_version[j]==0x0d) || (iif->i_version[j]==0x0a))
+                    iif->i_version[j] = '\0';
+            }
+            fclose(fp_r);
+        }
+        else if (strncmp(name[i], KERNEL_FILE_NAME, strlen(KERNEL_FILE_NAME)) == 0)
+        {
+            iif->i_type = IH_TYPE_KERNEL;
+            strncpy((char *)iif->i_name, KERNEL_FILE_NAME, NAMELEN-1);
+
+            if ((fp_r = fopen(KERNEL_VER_FILE, "rb")) == NULL)
+            {
+                printf("Can't open kernel version file: %s\n", KERNEL_VER_FILE);
+                break;
+            }
+            for (j = 0; j < sizeof(iif->i_version); j++)
+            {
+                if (feof(fp_r)) break;
+                iif->i_version[j] = fgetc(fp_r);
+                if ((iif->i_version[j]==0x0d) ||(iif->i_version[j]==0x0a))
+                    iif->i_version[j] = '\0';
+            }
+            fclose(fp_r);
+        }
+        else if (strncmp(name[i], UBOOT_FILE_NAME, strlen(UBOOT_FILE_NAME)) == 0)
+        {
+            iif->i_type = IH_TYPE_UBOOT;
+            strncpy((char *)iif->i_name, UBOOT_FILE_NAME, NAMELEN-1);
+
+            if ((fp_r = fopen(UBOOT_VER_FILE, "rb")) == NULL)
+            {
+                printf("Can't open uboot version file: %s\n", UBOOT_VER_FILE);
+                break;
+            }
+            for (j = 0; j < sizeof(iif->i_version); j++)
+            {
+                if (feof(fp_r)) break;
+                iif->i_version[j] = fgetc(fp_r);
+                if ((iif->i_version[j]==0x0d)|| (iif->i_version[j]==0x0a))
+                    iif->i_version[j] = '\0';
+            }
+            fclose(fp_r);
+        }
+        else if (strncmp(name[i], SCRIPT_FILE_NAME, strlen(SCRIPT_FILE_NAME)) == 0)
+        {
+            iif->i_type = IH_TYPE_SCRIPT;
+            strncpy((char *)iif->i_name, SCRIPT_FILE_NAME, NAMELEN-1);
+        }
+
+        /* address in flash*/
+        switch (iif->i_type)
+        {
+        case IH_TYPE_ROOTFS:
+            iif->i_startaddr_f = ROOTFS_ADDR_START;
+            iif->i_endaddr_f   = ROOTFS_ADDR_END;
+            break;
+        case IH_TYPE_KERNEL:
+            iif->i_startaddr_f = KERNEL_ADDR_START;
+            iif->i_endaddr_f   = KERNEL_ADDR_END;
+            break;       
+        case IH_TYPE_UBOOT:
+            iif->i_startaddr_f = UBOOT_ADDR_START;
+            iif->i_endaddr_f   = UBOOT_ADDR_END;
+            break;
+        case IH_TYPE_SCRIPT:
+            break;
+        default:
+            printf("un-handle image type\n");
+            break;
+        }
+
+        /* write whole image to package and calculate the imagesize*/
+        iif->i_imagesize = 0;
+        /* images file */
+        if ((fp_r = fopen(name[i], "rb")) == NULL)
+        {
+            printf("can't open file: %s\n", name[i]);
+            break;
+        }
+
+        fseek(fp_w, offst+curptr,SEEK_SET);
+        extcrc = 0;
+        while (!feof(fp_r))
+        {
+            ch = fgetc(fp_r);
+            fputc(ch, fp_w);
+            phd->p_datacrc = crc32(phd->p_datacrc,(uint8 *)&ch, 1);
+            iif->i_imagesize ++;
+        }
+        fclose(fp_r);
+
+        iif->i_startaddr_p = curptr-sizeof(version_info);
+        curptr += iif->i_imagesize;
+        phd->p_datasize += iif->i_imagesize;
+
+        print_image_info(iif); /* print iff*/
+
+        /*write image info */
+        fseek(fp_w, offst+sizeof(version_info)+sizeof(package_header_t)+i*sizeof(image_info_t), SEEK_SET);
+        if (fwrite(iif, sizeof(image_info_t), 1, fp_w) != 1)
+        {
+            printf("can not write iif into package\n");
+            break;
+        }
+    }
+
+    /* write package head*/
+    phd->p_headcrc = crc32(phd->p_headcrc, (uint8 *)phd, sizeof(package_header_t));
+    phd->p_headcrc = crc32(phd->p_headcrc, (uint8 *)i_info, phd->p_imagenum*sizeof(image_info_t));
+
+    print_head_info();  /* print phd */
+
+    fseek(fp_w, offst+sizeof(version_info), SEEK_SET);
+    if (fwrite((uint8 *)phd, sizeof(package_header_t), 1, fp_w) != 1)
+    {
+        printf("can not write head into package");
+        return(-1);
+    }
+    return 0;
+
+    bail:
+    fclose(fp_r);
+
+    return -1;
+}
+
+static int pack_ver_info(FILE *fp_w, uint32 offset, char *desc)
+{
+    version_info ver_t;
+    FILE *fp_r;
+    int i;
+
+    memset((char *)&ver_t, 0, sizeof(version_info));
+
+    if (strlen(desc) >= DESCLEN)
+    {
+        printf("The upk_desc is too long\n");
+        return(-1);
+    }
+    strncpy((char *)ver_t.upk_desc, desc, DESCLEN-1);
+    strncpy((char *)ver_t.pack_id, (char *)PACKAGE_ID, NAMELEN-1);
+    strncpy((char *)ver_t.os_ver,  "0.00", VERLEN-1);
+    strncpy((char *)ver_t.app_ver, "0.00", VERLEN-1);
+
+    if ((fp_r = fopen(KERNEL_VER_FILE, "rb")) == NULL)
+    {
+        printf("Can't open OS version file: %s\n", KERNEL_VER_FILE);
+        return(-1);
+    }
+    for (i = 0; i < sizeof(ver_t.os_ver); i++)
+    {
+        if (feof(fp_r)) break;
+        ver_t.os_ver[i] = fgetc(fp_r);
+        if ((ver_t.os_ver[i]==0x0d) || (ver_t.os_ver[i]==0x0a))
+            ver_t.os_ver[i] = '\0';
+    }
+    fclose(fp_r);
+
+    if ((fp_r = fopen(ROOTFS_VER_FILE, "rb")) == NULL)
+    {
+        printf("Can't open App version file: %s\n", ROOTFS_VER_FILE);
+        return(-1);
+    }
+    for (i = 0; i < sizeof(ver_t.app_ver); i++)
+    {
+        if (feof(fp_r)) break;
+        ver_t.app_ver[i] = fgetc(fp_r);
+        if ((ver_t.app_ver[i]==0x0d) || (ver_t.app_ver[i]==0x0a))
+            ver_t.app_ver[i] = '\0';
+    }
+    fclose(fp_r);
+
+    fseek(fp_w, 0, SEEK_SET);
+    if (fwrite((uint8 *)&ver_t, sizeof(version_info), 1, fp_w) != 1)
+    {
+        printf("can not write the version struct into package\n");
+        return(-1);
+    }
+
+    print_version_info(&ver_t);
+
+    return(0);
+}
+
+/* argv[1] packet name
+    argv[2] upk descpription
+    argv[3] u-env image
+    argv[4] u-boot image
+    argv[5] kernel image
+    argv[5] rootfs image*/
+int main(int argc, char *argv[])
+{
+    FILE *fp_w;
+    uint32 hw_len = 0;
+    package_header_t *phd = &p_head;
+    struct stat buf;
+
+    printf("\npackage tool version %s ", VERSION);
+
+    strncpy((char *)phd->p_name, argv[1], NAMELEN-1);
+    if ((fp_w = fopen((char *)phd->p_name, "wb+")) == NULL)
+    {
+        printf("Can't open %s\n",phd->p_name);
+        return(-1);
+    }
+
+    /* packet firmware to package */
+    if (pack_firmware(fp_w, hw_len, 4, &argv[3]) != 0)
+        return(-1);
+    /* packet upk_desc and version info */
+    if (pack_ver_info(fp_w, hw_len+phd->p_headsize, argv[2]) != 0)
+        return(-1);
+
+    fclose(fp_w);
+
+    stat((char *)phd->p_name, &buf);
+    if (buf.st_size > SAFE_SIZE)
+    {
+        printf("Warning!!!!! The upk size is larger than the safe size\n");
+    }
+
+    return 0;
+}
+
+
diff --git a/packages/neuros-pkggen/files/package.h b/packages/neuros-pkggen/files/package.h
new file mode 100644
index 0000000000..225c53d129
--- /dev/null
+++ b/packages/neuros-pkggen/files/package.h
@@ -0,0 +1,145 @@
+/*
+ *  Copyright(C) 2005 Neuros Technology International LLC. 
+ *               <www.neurostechnology.com>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that, in addition to its 
+ *  original purpose to support Neuros hardware, it will be useful 
+ *  otherwise, but WITHOUT ANY WARRANTY; without even the implied 
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *****************************************************************************/
+/** package.h
+ *
+ * Some structure for package.c
+ *
+ * 02/22/2002	        T.Qiu	
+ *			Initial creation.
+ *  05/15/2008          JWU
+ *                      change for osd2.0
+ */
+
+#ifndef PACKAGE_H
+#define PACKAGE_H
+
+#define VERSION "3.01"
+#define NAMELEN   32
+#define VERLEN    20 /* should same as the uboot */
+#define DESCLEN   256
+
+/* image type*/
+#define IH_TYPE_INVALID		0	/* Invalid Image		*/
+#define IH_TYPE_STANDALONE	1	/* Standalone Program		*/
+#define IH_TYPE_KERNEL		2	/* OS Kernel Image		*/
+#define IH_TYPE_RAMDISK		3	/* RAMDisk Image		*/
+#define IH_TYPE_MULTI		4	/* Multi-File Image		*/
+#define IH_TYPE_FIRMWARE	5	/* Firmware Image		*/
+#define IH_TYPE_SCRIPT		6	/* Script file			*/
+#define IH_TYPE_FILESYSTEM	7	/* Filesystem Image (any type)	*/
+#define IH_TYPE_FLATDT		8	/* Binary Flat Device Tree Blob	*/
+#define IH_TYPE_UBOOT           9
+#define IH_TYPE_ROOTFS          10
+
+/* addr in flash */
+#define UBOOT_ADDR_START      0x00018000
+#define UBOOT_SIZE                  (1*1024*1024)
+#define UBOOT_ADDR_END        (UBOOT_ADDR_START+UBOOT_SIZE-1)
+#define KERNEL_ADDR_START    (UBOOT_ADDR_END+1)
+#define KERNEL_SIZE                 (5*1024*1024)
+#define KERNEL_ADDR_END       (KERNEL_ADDR_START+KERNEL_SIZE-1)
+#define ROOTFS_ADDR_START    (KERNEL_ADDR_END+1)
+#define ROOTFS_ADDR_END       (256*1024*1024 - 1)
+
+#define UBOOT_FILE_NAME   "u-boot.bin"
+#define KERNEL_FILE_NAME  "kernel.img"
+#define ROOTFS_FILE_NAME  "rootfs.img"
+#define SCRIPT_FILE_NAME  "env.img"
+
+#define UBOOT_VER_FILE    "u-boot.version"
+#define KERNEL_VER_FILE   "uImage.version"
+#define ROOTFS_VER_FILE   "rootfs.version"
+
+typedef unsigned char  uint8;
+typedef unsigned short uint16;
+typedef unsigned int   uint32;
+typedef unsigned long  uint64;
+
+#define SWAP_LONG(x) \
+	((uint32)( \
+		(((uint32)(x) & (uint32)0x000000ffUL) << 24) | \
+		(((uint32)(x) & (uint32)0x0000ff00UL) <<  8) | \
+		(((uint32)(x) & (uint32)0x00ff0000UL) >>  8) | \
+		(((uint32)(x) & (uint32)0xff000000UL) >> 24) ))
+
+#define SWAP_SHORT(x) \
+         ((uint16)(   \
+	         (((uint16)(x) & (uint16)0x00ff) << 8) | \
+	         (((uint16)(x) & (uint16)0xff00) >> 8))
+
+#define     ntohl(a)	SWAP_LONG(a)
+#define     htonl(a)	SWAP_LONG(a)
+#define     ntohs(a)    SWAP_SHORT(a)
+#define     htons(a)    SWAP_SHORT(a)
+
+typedef struct packet_header{
+  uint32    p_headsize;       /* package header size         */
+  uint32    p_reserve;        /* Bit[3]:1 OSD2.0 upk */
+  uint32    p_headcrc;        /* package header crc checksum */
+  uint32    p_datasize;       /* package data size           */
+  uint32    p_datacrc;        /* package data crc checksum   */
+  uint8     p_name[NAMELEN];  /* package name                */
+  uint8     p_vuboot[VERLEN]; /* version of uboot which depend on */
+  uint8     p_vkernel[VERLEN];/* version of kernel which depend on*/
+  uint8     p_vrootfs[VERLEN];/* version of rootfs which depend on*/
+  uint32    p_imagenum;       /* num of the images in package*/
+                              /* follow is image info */
+}package_header_t;
+
+typedef struct image_info{
+  uint32    i_type;           /* image type                */
+  uint32    i_imagesize;      /* size of image             */
+  uint32    i_startaddr_p;    /* start address in packeage */
+  uint32    i_startaddr_f;    /* start address in flash    */
+  uint32    i_endaddr_f;      /* end address in flash      */
+  uint8     i_name[NAMELEN];  /* image name                */
+  uint8     i_version[VERLEN];/* image version             */
+}image_info_t;
+
+typedef struct image_header {
+	uint32	        ih_magic;	/* Image Header Magic Number	*/
+	uint32	        ih_hcrc;	/* Image Header CRC Checksum	*/
+	uint32	        ih_time;	/* Image Creation Timestamp	*/
+	uint32	        ih_size;	/* Image Data Size		*/
+	uint32	        ih_load;	/* Data	 Load  Address		*/
+	uint32	        ih_ep;		/* Entry Point Address		*/
+        uint32	        ih_dcrc;	/* Image Data CRC Checksum	*/
+	uint8		ih_os;		/* Operating System		*/
+	uint8		ih_arch;	/* CPU architecture		*/
+	uint8		ih_type;	/* Image Type			*/
+	uint8		ih_comp;	/* Compression Type		*/
+	uint8		ih_name[NAMELEN];	/* Image Name		*/
+} image_header_t;
+
+#define PACKAGE_ID "neuros-osd2.0"
+typedef struct version_struct{
+  uint8  upk_desc[DESCLEN];
+  uint8  pack_id[NAMELEN];
+  uint8  os_ver [VERLEN];
+  uint8  app_ver[VERLEN];
+}version_info;
+
+
+extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+
+#endif
+
diff --git a/packages/neuros-pkggen/files/readme b/packages/neuros-pkggen/files/readme
new file mode 100644
index 0000000000..fd9c31b545
--- /dev/null
+++ b/packages/neuros-pkggen/files/readme
@@ -0,0 +1,20 @@
+This is the tool to generate the OSD upgrading package.
+
+1. Compile the tool
+   gcc crc32.c package.c -o osdpkg
+
+2. Copy tool to neuros-bsp/images
+
+3. Create upk
+   ./osdpkg nh [upk_desc] [upk_name] [bins ...]
+
+You can choose to either generate a full package that includes each
+binary or a package just for that part that has been changed.
+
+Example:
+<1> To create a upk by including everything
+   ./osdpkg nh "upk by yada_yada on 2006-10-18" r3.upk env.img
+u-boot.bin uImage root.cramfs
+
+<2> To create a upk by just including the rootfs
+   ./osdpkg nh "upk by blah_blah on 2006-10-18" r3.upk root.cramfs
diff --git a/packages/neuros-pkggen/files/zlib.h b/packages/neuros-pkggen/files/zlib.h
new file mode 100644
index 0000000000..e441494d0d
--- /dev/null
+++ b/packages/neuros-pkggen/files/zlib.h
@@ -0,0 +1,434 @@
+/*
+ * This file is derived from zlib.h and zconf.h from the zlib-0.95
+ * distribution by Jean-loup Gailly and Mark Adler, with some additions
+ * by Paul Mackerras to aid in implementing Deflate compression and
+ * decompression for PPP packets.
+ */
+
+/*
+ *  ==FILEVERSION 960122==
+ *
+ * This marker is used by the Linux installation script to determine
+ * whether an up-to-date version of this file is already installed.
+ */
+
+/* zlib.h -- interface of the 'zlib' general purpose compression library
+  version 0.95, Aug 16th, 1995.
+
+  Copyright (C) 1995 Jean-loup Gailly and Mark Adler
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  Jean-loup Gailly        Mark Adler
+  gzip@prep.ai.mit.edu    madler@alumni.caltech.edu
+ */
+
+#ifndef _ZLIB_H
+#define _ZLIB_H
+
+/* #include "zconf.h" */	/* included directly here */
+
+/* zconf.h -- configuration of the zlib compression library
+ * Copyright (C) 1995 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* From: zconf.h,v 1.12 1995/05/03 17:27:12 jloup Exp */
+
+/*
+     The library does not install any signal handler. It is recommended to
+  add at least a handler for SIGSEGV when decompressing; the library checks
+  the consistency of the input data whenever possible but may go nuts
+  for some forms of corrupted input.
+ */
+
+/*
+ * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
+ * than 64k bytes at a time (needed on systems with 16-bit int).
+ * Compile with -DUNALIGNED_OK if it is OK to access shorts or ints
+ * at addresses which are not a multiple of their size.
+ * Under DOS, -DFAR=far or -DFAR=__far may be needed.
+ */
+
+#ifndef STDC
+#  if defined(MSDOS) || defined(__STDC__) || defined(__cplusplus)
+#    define STDC
+#  endif
+#endif
+
+#ifdef	__MWERKS__ /* Metrowerks CodeWarrior declares fileno() in unix.h */
+#  include <unix.h>
+#endif
+
+/* Maximum value for memLevel in deflateInit2 */
+#ifndef MAX_MEM_LEVEL
+#  ifdef MAXSEG_64K
+#    define MAX_MEM_LEVEL 8
+#  else
+#    define MAX_MEM_LEVEL 9
+#  endif
+#endif
+
+#ifndef FAR
+#  define FAR
+#endif
+
+/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
+#ifndef MAX_WBITS
+#  define MAX_WBITS   15 /* 32K LZ77 window */
+#endif
+
+/* The memory requirements for deflate are (in bytes):
+	    1 << (windowBits+2)   +  1 << (memLevel+9)
+ that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
+ plus a few kilobytes for small objects. For example, if you want to reduce
+ the default memory requirements from 256K to 128K, compile with
+     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
+ Of course this will generally degrade compression (there's no free lunch).
+
+   The memory requirements for inflate are (in bytes) 1 << windowBits
+ that is, 32K for windowBits=15 (default value) plus a few kilobytes
+ for small objects.
+*/
+
+			/* Type declarations */
+
+#ifndef OF /* function prototypes */
+#  ifdef STDC
+#    define OF(args)  args
+#  else
+#    define OF(args)  ()
+#  endif
+#endif
+
+typedef unsigned char  Byte;  /* 8 bits */
+typedef unsigned int   uInt;  /* 16 bits or more */
+typedef unsigned long  uLong; /* 32 bits or more */
+
+typedef Byte FAR Bytef;
+typedef char FAR charf;
+typedef int FAR intf;
+typedef uInt FAR uIntf;
+typedef uLong FAR uLongf;
+
+#ifdef STDC
+   typedef void FAR *voidpf;
+   typedef void     *voidp;
+#else
+   typedef Byte FAR *voidpf;
+   typedef Byte     *voidp;
+#endif
+
+/* end of original zconf.h */
+
+#define ZLIB_VERSION "0.95P"
+
+/*
+     The 'zlib' compression library provides in-memory compression and
+  decompression functions, including integrity checks of the uncompressed
+  data.  This version of the library supports only one compression method
+  (deflation) but other algorithms may be added later and will have the same
+  stream interface.
+
+     For compression the application must provide the output buffer and
+  may optionally provide the input buffer for optimization. For decompression,
+  the application must provide the input buffer and may optionally provide
+  the output buffer for optimization.
+
+     Compression can be done in a single step if the buffers are large
+  enough (for example if an input file is mmap'ed), or can be done by
+  repeated calls of the compression function.  In the latter case, the
+  application must provide more input and/or consume the output
+  (providing more output space) before each call.
+*/
+
+typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
+typedef void   (*free_func)  OF((voidpf opaque, voidpf address, uInt nbytes));
+
+typedef void   (*cb_func)    OF((Bytef *buf, uInt len));
+
+struct internal_state;
+
+typedef struct z_stream_s {
+    Bytef    *next_in;  /* next input byte */
+    uInt     avail_in;  /* number of bytes available at next_in */
+    uLong    total_in;  /* total nb of input bytes read so far */
+
+    Bytef    *next_out; /* next output byte should be put there */
+    uInt     avail_out; /* remaining free space at next_out */
+    uLong    total_out; /* total nb of bytes output so far */
+
+    char     *msg;      /* last error message, NULL if no error */
+    struct internal_state FAR *state; /* not visible by applications */
+
+    alloc_func zalloc;  /* used to allocate the internal state */
+    free_func  zfree;   /* used to free the internal state */
+    voidp      opaque;  /* private data object passed to zalloc and zfree */
+
+    Byte     data_type; /* best guess about the data type: ascii or binary */
+
+    cb_func  outcb;	/* called regularly just before blocks of output */
+
+} z_stream;
+
+/*
+   The application must update next_in and avail_in when avail_in has
+   dropped to zero. It must update next_out and avail_out when avail_out
+   has dropped to zero. The application must initialize zalloc, zfree and
+   opaque before calling the init function. All other fields are set by the
+   compression library and must not be updated by the application.
+
+   The opaque value provided by the application will be passed as the first
+   parameter for calls of zalloc and zfree. This can be useful for custom
+   memory management. The compression library attaches no meaning to the
+   opaque value.
+
+   zalloc must return Z_NULL if there is not enough memory for the object.
+   On 16-bit systems, the functions zalloc and zfree must be able to allocate
+   exactly 65536 bytes, but will not be required to allocate more than this
+   if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
+   pointers returned by zalloc for objects of exactly 65536 bytes *must*
+   have their offset normalized to zero. The default allocation function
+   provided by this library ensures this (see zutil.c). To reduce memory
+   requirements and avoid any allocation of 64K objects, at the expense of
+   compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
+
+   The fields total_in and total_out can be used for statistics or
+   progress reports. After compression, total_in holds the total size of
+   the uncompressed data and may be saved for use in the decompressor
+   (particularly if the decompressor wants to decompress everything in
+   a single step).
+*/
+
+			/* constants */
+
+#define Z_NO_FLUSH      0
+#define Z_PARTIAL_FLUSH 1
+#define Z_FULL_FLUSH    2
+#define Z_SYNC_FLUSH    3 /* experimental: partial_flush + byte align */
+#define Z_FINISH        4
+#define Z_PACKET_FLUSH	5
+/* See deflate() below for the usage of these constants */
+
+#define Z_OK            0
+#define Z_STREAM_END    1
+#define Z_ERRNO        (-1)
+#define Z_STREAM_ERROR (-2)
+#define Z_DATA_ERROR   (-3)
+#define Z_MEM_ERROR    (-4)
+#define Z_BUF_ERROR    (-5)
+/* error codes for the compression/decompression functions */
+
+#define Z_BEST_SPEED             1
+#define Z_BEST_COMPRESSION       9
+#define Z_DEFAULT_COMPRESSION  (-1)
+/* compression levels */
+
+#define Z_FILTERED            1
+#define Z_HUFFMAN_ONLY        2
+#define Z_DEFAULT_STRATEGY    0
+
+#define Z_BINARY   0
+#define Z_ASCII    1
+#define Z_UNKNOWN  2
+/* Used to set the data_type field */
+
+#define Z_NULL  0  /* for initializing zalloc, zfree, opaque */
+
+extern char *zlib_version;
+/* The application can compare zlib_version and ZLIB_VERSION for consistency.
+   If the first character differs, the library code actually used is
+   not compatible with the zlib.h header file used by the application.
+ */
+
+			/* basic functions */
+
+extern int inflateInit OF((z_stream *strm));
+/*
+     Initializes the internal stream state for decompression. The fields
+   zalloc and zfree must be initialized before by the caller.  If zalloc and
+   zfree are set to Z_NULL, inflateInit updates them to use default allocation
+   functions.
+
+     inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
+   enough memory.  msg is set to null if there is no error message.
+   inflateInit does not perform any decompression: this will be done by
+   inflate().
+*/
+
+
+extern int inflate OF((z_stream *strm, int flush));
+/*
+  Performs one or both of the following actions:
+
+  - Decompress more input starting at next_in and update next_in and avail_in
+    accordingly. If not all input can be processed (because there is not
+    enough room in the output buffer), next_in is updated and processing
+    will resume at this point for the next call of inflate().
+
+  - Provide more output starting at next_out and update next_out and avail_out
+    accordingly.  inflate() always provides as much output as possible
+    (until there is no more input data or no more space in the output buffer).
+
+  Before the call of inflate(), the application should ensure that at least
+  one of the actions is possible, by providing more input and/or consuming
+  more output, and updating the next_* and avail_* values accordingly.
+  The application can consume the uncompressed output when it wants, for
+  example when the output buffer is full (avail_out == 0), or after each
+  call of inflate().
+
+    If the parameter flush is set to Z_PARTIAL_FLUSH or Z_PACKET_FLUSH,
+  inflate flushes as much output as possible to the output buffer. The
+  flushing behavior of inflate is not specified for values of the flush
+  parameter other than Z_PARTIAL_FLUSH, Z_PACKET_FLUSH or Z_FINISH, but the
+  current implementation actually flushes as much output as possible
+  anyway.  For Z_PACKET_FLUSH, inflate checks that once all the input data
+  has been consumed, it is expecting to see the length field of a stored
+  block; if not, it returns Z_DATA_ERROR.
+
+    inflate() should normally be called until it returns Z_STREAM_END or an
+  error. However if all decompression is to be performed in a single step
+  (a single call of inflate), the parameter flush should be set to
+  Z_FINISH. In this case all pending input is processed and all pending
+  output is flushed; avail_out must be large enough to hold all the
+  uncompressed data. (The size of the uncompressed data may have been saved
+  by the compressor for this purpose.) The next operation on this stream must
+  be inflateEnd to deallocate the decompression state. The use of Z_FINISH
+  is never required, but can be used to inform inflate that a faster routine
+  may be used for the single inflate() call.
+
+    inflate() returns Z_OK if some progress has been made (more input
+  processed or more output produced), Z_STREAM_END if the end of the
+  compressed data has been reached and all uncompressed output has been
+  produced, Z_DATA_ERROR if the input data was corrupted, Z_STREAM_ERROR if
+  the stream structure was inconsistent (for example if next_in or next_out
+  was NULL), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR if no
+  progress is possible or if there was not enough room in the output buffer
+  when Z_FINISH is used. In the Z_DATA_ERROR case, the application may then
+  call inflateSync to look for a good compression block.  */
+
+
+extern int inflateEnd OF((z_stream *strm));
+/*
+     All dynamically allocated data structures for this stream are freed.
+   This function discards any unprocessed input and does not flush any
+   pending output.
+
+     inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
+   was inconsistent. In the error case, msg may be set but then points to a
+   static string (which must not be deallocated).
+*/
+
+			/* advanced functions */
+
+extern int inflateInit2 OF((z_stream *strm,
+			    int  windowBits));
+/*
+     This is another version of inflateInit with more compression options. The
+   fields next_out, zalloc and zfree must be initialized before by the caller.
+
+     The windowBits parameter is the base two logarithm of the maximum window
+   size (the size of the history buffer).  It should be in the range 8..15 for
+   this version of the library (the value 16 will be allowed soon). The
+   default value is 15 if inflateInit is used instead. If a compressed stream
+   with a larger window size is given as input, inflate() will return with
+   the error code Z_DATA_ERROR instead of trying to allocate a larger window.
+
+     If next_out is not null, the library will use this buffer for the history
+   buffer; the buffer must either be large enough to hold the entire output
+   data, or have at least 1<<windowBits bytes.  If next_out is null, the
+   library will allocate its own buffer (and leave next_out null). next_in
+   need not be provided here but must be provided by the application for the
+   next call of inflate().
+
+     If the history buffer is provided by the application, next_out must
+   never be changed by the application since the decompressor maintains
+   history information inside this buffer from call to call; the application
+   can only reset next_out to the beginning of the history buffer when
+   avail_out is zero and all output has been consumed.
+
+      inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was
+   not enough memory, Z_STREAM_ERROR if a parameter is invalid (such as
+   windowBits < 8). msg is set to null if there is no error message.
+   inflateInit2 does not perform any decompression: this will be done by
+   inflate().
+*/
+
+extern int inflateSync OF((z_stream *strm));
+/*
+    Skips invalid compressed data until the special marker (see deflate()
+  above) can be found, or until all available input is skipped. No output
+  is provided.
+
+    inflateSync returns Z_OK if the special marker has been found, Z_BUF_ERROR
+  if no more input was provided, Z_DATA_ERROR if no marker has been found,
+  or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
+  case, the application may save the current current value of total_in which
+  indicates where valid compressed data was found. In the error case, the
+  application may repeatedly call inflateSync, providing more input each time,
+  until success or end of the input data.
+*/
+
+extern int inflateReset OF((z_stream *strm));
+/*
+     This function is equivalent to inflateEnd followed by inflateInit,
+   but does not free and reallocate all the internal decompression state.
+   The stream will keep attributes that may have been set by inflateInit2.
+
+      inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
+   stream state was inconsistent (such as zalloc or state being NULL).
+*/
+
+extern int inflateIncomp OF((z_stream *strm));
+/*
+     This function adds the data at next_in (avail_in bytes) to the output
+   history without performing any output.  There must be no pending output,
+   and the decompressor must be expecting to see the start of a block.
+   Calling this function is equivalent to decompressing a stored block
+   containing the data at next_in (except that the data is not output).
+*/
+
+			/* checksum functions */
+
+/*
+     This function is not related to compression but is exported
+   anyway because it might be useful in applications using the
+   compression library.
+*/
+
+extern uLong adler32 OF((uLong adler, Bytef *buf, uInt len));
+
+/*
+     Update a running Adler-32 checksum with the bytes buf[0..len-1] and
+   return the updated checksum. If buf is NULL, this function returns
+   the required initial value for the checksum.
+   An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
+   much faster. Usage example:
+
+     uLong adler = adler32(0L, Z_NULL, 0);
+
+     while (read_buffer(buffer, length) != EOF) {
+       adler = adler32(adler, buffer, length);
+     }
+     if (adler != original_adler) error();
+*/
+
+#ifndef _Z_UTIL_H
+    struct internal_state {int dummy;}; /* hack for buggy compilers */
+#endif
+
+#endif /* _ZLIB_H */