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Diffstat (limited to 'nuttx/configs/ea3152/tools/lpchdr.h')
| -rwxr-xr-x | nuttx/configs/ea3152/tools/lpchdr.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/nuttx/configs/ea3152/tools/lpchdr.h b/nuttx/configs/ea3152/tools/lpchdr.h new file mode 100755 index 000000000..33aa4eae0 --- /dev/null +++ b/nuttx/configs/ea3152/tools/lpchdr.h @@ -0,0 +1,105 @@ +/************************************************************************************ + * configs/ea3152/tools/lpchdr.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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_EA3152_TOOLS_LPCHDR_H +#define __CONFIGS_EA3152_TOOLS_LPCHDR_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <stdint.h> + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +struct lpc31_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_EA3152_TOOLS_LPCHDR_H */ + |