Add CRC32 to lib/; add tool to make lpc313x bootloader images

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2506 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 105 insertions, 0 deletions

diff --git a/nuttx/configs/ea3131/tools/lpchdr.h b/nuttx/configs/ea3131/tools/lpchdr.h
new file mode 100755
index 000000000..036dc8728
--- /dev/null
+++ b/nuttx/configs/ea3131/tools/lpchdr.h
@@ -0,0 +1,105 @@
+/************************************************************************************

+ * configs/ea3131/tools/lpchdr.h

+ *

+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.

+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions

+ * are met:

+ *

+ * 1. Redistributions of source code must retain the above copyright

+ *    notice, this list of conditions and the following disclaimer.

+ * 2. Redistributions in binary form must reproduce the above copyright

+ *    notice, this list of conditions and the following disclaimer in

+ *    the documentation and/or other materials provided with the

+ *    distribution.

+ * 3. Neither the name NuttX nor the names of its contributors may be

+ *    used to endorse or promote products derived from this software

+ *    without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,

+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,

+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS

+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

+ * POSSIBILITY OF SUCH DAMAGE.

+ *

+ ************************************************************************************/

+

+#ifndef __CONFIGS_EA3131_TOOLS_BINFMT_H

+#define __CONFIGS_EA3131_TOOLS_BINFMT_H

+

+/************************************************************************************

+ * Included Files

+ ************************************************************************************/

+

+#include <stdint.h>

+

+/************************************************************************************

+ * Definitions

+ ************************************************************************************/

+

+/************************************************************************************

+ * Public Types

+ ************************************************************************************/

+

+struct lpc313x_header_s

+{

+				/* OFFS DESCRIPTION */

+  uint32_t vector;  		/* 0x00	Valid ARM instruction. Usually this will be

+  				 *	a branch instruction to entry point of the

+  				 *	image. */

+  uint32_t magic;		/* 0x04	This field is used by boot ROM to detect a

+  				 *	valid image header. This field should always

+  				 *	be set to 0x41676d69. */

+  uint32_t execution_crc32;	/* 0x08	CRC32 value of execution part of the image. If

+  				 *	the ‘image_type’ is set to ‘0xA’, this field

+  				 *	is ignored by boot ROM. */

+  uint32_t Reserved0[4];	/* 0x0c-0x18: Should be zero. */

+  uint32_t imageType;		/* 0x1c Specifies whether CRC check should be done

+  				 *	on the image or not:

+				 *	  0xA – No CRC check required.

+				 *	  0xB – Do CRC32 check on both header and

+				 *	        execution part of the image. */

+  uint32_t imageLength; 	/* 0x20	Total image length including header rounded

+				 *	up to the nearest 512 byte boundary. In C 

+				 *	language the field can be computed as:

+				 *	imageLength = (Actual length + 511) & ~0x1FF; */

+  uint32_t releaseID;		/* 0x24	Release or version number of the image. Note,

+				 *	this field is not used by boot ROM but is

+				 *	provided to track the image versions. */

+  uint32_t buildTime;		/* 0x28 Time (expressed in EPOC time format) at which

+				 *	image is built. Note, this field is not used

+				 *	by boot ROM but is provided to track the image

+				 *	versions. */

+  uint32_t sbzBootParameter;	/* 0x2c	hould be zero. */

+  uint32_t cust_reserved[15];	/* 0x30-0x68: Reserved for customer use (60 bytes) */

+  uint32_t header_crc32;	/* 0x6c CRC32 value of the header (bytes 0x00 to 0x6C

+				 *	of the image). If the ‘image_type’ is set

+				 *	to ‘0xA’, this field is ignored by boot ROM. */

+  uint32_t Reserved1[4];	/* 0x70-0x7c: Should be zero. */

+                                /* 0x80	Start of program code (128Kb max).  The final

+                                 *	image has to be padded to the nearest 512

+                                 *	byte boundary */

+};

+

+/************************************************************************************

+ * Public data

+ ************************************************************************************/

+

+/************************************************************************************

+ * Public Functions

+ ************************************************************************************/

+

+extern uint32_t crc32part(const uint8_t *src, size_t len, uint32_t crc32val);

+extern uint32_t crc32(const uint8_t *src, size_t len);

+

+#endif /* __CONFIGS_EA3131_TOOLS_BINFMT_H */

+