107 lines
5.3 KiB
C
107 lines
5.3 KiB
C
/****************************************************************************
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* boards/arm/lpc31xx/ea3152/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_EA3152_TOOLS_LPCHDR_H
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#define __BOARDS_ARM_LPC31XX_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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* 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
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* will be a branch instruction to entry
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* point of the image.
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*/
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uint32_t magic; /* 0x04 This field is used by boot ROM to
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* detect a valid image header. This field
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* should always be set to 0x41676d69.
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*/
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uint32_t execution_crc32; /* 0x08 CRC32 value of execution part of
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* the image. If the 'image_type' is set
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* to '0xA', this field is ignored by boot
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* ROM.
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*/
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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
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* done 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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*/
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uint32_t imagelength; /* 0x20 Total image length including header
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* rounded up to the nearest 512 byte
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* boundary. In C language the field can be
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* computed as:
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* imagelength = (Actual length + 511) & ~0x1FF;
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*/
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uint32_t releaseid; /* 0x24 Release or version number of the
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* image.
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* Note, this field is not used by boot ROM
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* but is provided to track the image
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* versions.
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*/
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uint32_t buildtime; /* 0x28 Time (expressed in EPOC time format) at
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* which image is built. Note, this field is
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* not used by boot ROM but is provided to
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* track the image versions.
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*/
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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
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* (60 bytes)
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*/
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uint32_t header_crc32; /* 0x6c CRC32 value of the header
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* (bytes 0x00 to 0x6C of the image).
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* If the 'image_type' is set to '0xA',
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* this field is ignored by boot ROM.
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*/
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uint32_t reserved1[4]; /* 0x70-0x7c: Should be zero. */
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/* 0x80 Start of program code (128Kb max).
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* The final image has to be padded to the
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* nearest 512 byte boundary
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*/
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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_EA3152_TOOLS_LPCHDR_H */
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