91 lines
4.8 KiB
C
91 lines
4.8 KiB
C
/****************************************************************************
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* boards/arm/lpc31xx/ea3131/tools/lpchdr.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_LPC31XX_EA3131_TOOLS_LPCHDR_H
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#define __BOARDS_ARM_LPC31XX_EA3131_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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* Pre-processor 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 'image_type' is set to '0xA', 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 - No CRC check required.
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* 0xB - 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 'image_type' is set
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* to '0xA', 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 Definitions
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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 /* __BOARDS_ARM_LPC31XX_EA3131_TOOLS_LPCHDR_H */
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