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/************************************************************************************ |
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* configs/ea3152/tools/lpchdr.h |
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* |
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* Copyright (C) 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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************************************************************************************/ |
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#ifndef __CONFIGS_EA3152_TOOLS_LPCHDR_H |
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#define __CONFIGS_EA3152_TOOLS_LPCHDR_H |
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/************************************************************************************ |
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* Included Files |
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************************************************************************************/ |
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#include <stdint.h> |
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/************************************************************************************ |
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* Definitions |
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************************************************************************************/ |
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/************************************************************************************ |
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* Public Types |
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************************************************************************************/ |
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struct lpc31_header_s |
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{ |
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/* OFFS DESCRIPTION */ |
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uint32_t vector; /* 0x00 Valid ARM instruction. Usually this will be |
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* a branch instruction to entry point of the |
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* image. */ |
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uint32_t magic; /* 0x04 This field is used by boot ROM to detect a |
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* valid image header. This field should always |
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* be set to 0x41676d69. */ |
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uint32_t execution_crc32; /* 0x08 CRC32 value of execution part of the image. If |
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* the <EFBFBD>image_type<EFBFBD> is set to <EFBFBD>0xA<EFBFBD>, this field |
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* is ignored by boot ROM. */ |
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uint32_t Reserved0[4]; /* 0x0c-0x18: Should be zero. */ |
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uint32_t imageType; /* 0x1c Specifies whether CRC check should be done |
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* on the image or not: |
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* 0xA <EFBFBD> No CRC check required. |
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* 0xB <EFBFBD> Do CRC32 check on both header and |
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* execution part of the image. */ |
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uint32_t imageLength; /* 0x20 Total image length including header rounded |
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* up to the nearest 512 byte boundary. In C |
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* language the field can be computed as: |
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* imageLength = (Actual length + 511) & ~0x1FF; */ |
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uint32_t releaseID; /* 0x24 Release or version number of the image. Note, |
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* this field is not used by boot ROM but is |
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* provided to track the image versions. */ |
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uint32_t buildTime; /* 0x28 Time (expressed in EPOC time format) at which |
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* image is built. Note, this field is not used |
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* by boot ROM but is provided to track the image |
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* versions. */ |
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uint32_t sbzBootParameter; /* 0x2c hould be zero. */ |
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uint32_t cust_reserved[15]; /* 0x30-0x68: Reserved for customer use (60 bytes) */ |
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uint32_t header_crc32; /* 0x6c CRC32 value of the header (bytes 0x00 to 0x6C |
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* of the image). If the <EFBFBD>image_type<EFBFBD> is set |
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* to <EFBFBD>0xA<EFBFBD>, this field is ignored by boot ROM. */ |
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uint32_t Reserved1[4]; /* 0x70-0x7c: Should be zero. */ |
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/* 0x80 Start of program code (128Kb max). The final |
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* image has to be padded to the nearest 512 |
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* byte boundary */ |
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}; |
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/************************************************************************************ |
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* Public data |
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************************************************************************************/ |
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/************************************************************************************ |
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* Public Functions |
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************************************************************************************/ |
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extern uint32_t crc32part(const uint8_t *src, size_t len, uint32_t crc32val); |
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extern uint32_t crc32(const uint8_t *src, size_t len); |
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#endif /* __CONFIGS_EA3152_TOOLS_LPCHDR_H */ |
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