456 lines
15 KiB
Python
456 lines
15 KiB
Python
#!/usr/bin/env python3
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import argparse
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import configparser
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import os
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import sys
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import platform
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#******************************************************************************
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#
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# Template for the output files
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#
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#******************************************************************************
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hfile1 = '''
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//*****************************************************************************
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//
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//! @file {name}.h
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//!
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//! @brief This is a generated file.
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//
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//*****************************************************************************
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#include <stdint.h>
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#include <stdbool.h>
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#ifndef {macroname}_H
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#define {macroname}_H
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//*****************************************************************************
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//
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// Length of the binary array in bytes.
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//
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//*****************************************************************************
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#define {lengthmacro:35} {length}
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// EM patch destination memory:
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// 1 means EM patch will be programmed into OTP if emp file
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// was not programmed before.
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// 0 means EM patch will be programmed into IRAM each time when
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// EM9304 is cold boot.
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#define DEST_MEMORY_IRAM 0
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#define DEST_MEMORY_OTP 1
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#define {patch_dest_memory_macro:35} {dest_memory}
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//*****************************************************************************
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//
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// EM9304 Container Info type
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//
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//*****************************************************************************
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typedef struct
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{{
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uint16_t buildNumber; // Firmware Build Number
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uint16_t userBuildNumber; // User defined Build Number (determines patch precedence)
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uint8_t containerVersion; // Container Version
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uint8_t containerType; // Container Type
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uint8_t containerID; // Container ID
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bool applyPatch; // Flag to apply this patch.
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uint8_t startingPatch; // Starting patch index.
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uint8_t endingPatch; // Ending patch index + 1.
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}} em9304_container_info_t;
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//*****************************************************************************
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//
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// Extracted binary array.
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//
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//*****************************************************************************
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'''.strip()
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hfile2 = '''
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extern em9304_container_info_t g_p{varname}[{length}];
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extern const uint8_t g_p{varname}HCICmd[{numpatches}][68];
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#endif // {macroname}_H
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'''.strip()
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hfile3 = '''
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//
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// Note: A NULL patch was generated. This means that there were no *.emp files
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// processed during the generation of this file.
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//
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extern em9304_container_info_t g_p{varname}[1];
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extern const uint8_t g_p{varname}HCICmd[1][68];
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#endif // {macroname}_H
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'''.strip()
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cfile1 = '''
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//*****************************************************************************
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//
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//! @file {name}.c
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//!
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//! @brief This is a generated file.
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//
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//*****************************************************************************
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#include <stdint.h>
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#include "{name}.h"
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//*****************************************************************************
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//
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// Extracted binary array
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//
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//*****************************************************************************
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'''.strip()
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cfile2 = '''
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em9304_container_info_t g_p{varname}[{length}] =
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{{
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// Build UserBuild Version Type ID bApply Start End
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'''.strip()
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cfile2_null = '''
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//
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// This is a NULL patch. It indicates that there were no *.emp files processed
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// during the generation of this file.
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//
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em9304_container_info_t g_p{varname}[1] =
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{{
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{{ 0xFFFF, 0xFFFF, 0xFF, 0xFF, 0xFF, false, 0x00, 0x00 }}
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'''.strip()
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cfile3 = '''
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}};
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const uint8_t g_p{varname}HCICmd[{numpatches}][68] =
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{{
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'''.strip()
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cfile3_null = '''
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}};
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const uint8_t g_pEm9304PatchesHCICmd[1][68] =
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{{
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{{ 0x00
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}}
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'''.strip()
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#******************************************************************************
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#
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# CRC32 lookup table.
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#
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#******************************************************************************
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crc32Table = [
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
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0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
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0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
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0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
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0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
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0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
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0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
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0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
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0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
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0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
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0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
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0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
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0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
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0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
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0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
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0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
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0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
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0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d ]
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def crc32( previousCrc, L ):
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crc = previousCrc
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for b in L:
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crc = crc32Table[( crc ^ b) & 0xFF ] ^ ( crc >> 8 )
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return (~crc & 0xFFFFFFFF)
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#******************************************************************************
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#
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# Read in the binary file and output a C array.
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#
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#******************************************************************************
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def process(memory):
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print('Find *.emp files')
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# Change to the target directory with *.emp files.
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asps = []
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for subdir, dirs, files in os.walk('./'):
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for file in files:
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if file.endswith('.emp'):
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if subdir.endswith('./'):
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print(file)
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asps.append(file)
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output = 'em9304_patches'
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print(output)
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# S will be the string to accumulate the patch records in a C-friendly format
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S = ''
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# C will be the string to accumulate the patch HCI commands in a C-friendly format
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C = ''
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patchIndex = 0
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patchCount = 0
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# For each file in the list
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for file in asps:
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with open(file, mode = 'rb') as f:
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binarray = f.read()
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# Set the starting index
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cmdIndex = 0
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#print(len(binarray))
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while ((cmdIndex < len(binarray)) & ((len(binarray) - cmdIndex) > 20)):
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#print(cmdIndex)
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# Check for the start of a new container.
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if(binarray[cmdIndex:cmdIndex+4] == b'39me'):
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#print("Found container header")
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# Increment the patch count.
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patchCount += 1
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# Add a record start
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S += ' { '
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# Add the decimal representation of the patch Build Number Version
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S += '{0:4d}'.format(binarray[cmdIndex+12] + (binarray[cmdIndex+13] << 8))
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S += ', '
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# Add the decimal representation of the patch User Build Number
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S += ' {0:4d}'.format(binarray[cmdIndex+14] + (binarray[cmdIndex+15] << 8))
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S += ', '
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# Add the decimal representation of the patch Format Version
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S += ' {0:2d}'.format(binarray[cmdIndex+8])
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S += ', '
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# Add the decimal representation of the patch Container Type
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S += ' {0:2d}'.format(binarray[cmdIndex+9])
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S += ', '
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# Determine whether the patch should override user and must go into OTP.
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if ( (binarray[cmdIndex+9] == 0x09) or (binarray[cmdIndex+9] == 0x0A) ):
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bOTPOverride = True
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else:
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bOTPOverride = False
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# Add the decimal representation of the patch Container ID
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S += ' {0:2d}'.format(binarray[cmdIndex+10])
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S += ', '
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# Initialize the path application flag to false
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S += 'false, '
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# Set the starting patch index
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S += ' {0:3d}, '.format(patchIndex)
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cmdSize = binarray[cmdIndex+4] + (binarray[cmdIndex+5] << 8) + (binarray[cmdIndex+6] << 16) + (binarray[cmdIndex+7] << 24)
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#print(cmdSize)
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firstCmd = True
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seqNum = 1
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while (cmdSize > 0):
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# Add a record start
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C += ' { '
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# First record is EM_WritePatchStart HCI command
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if (firstCmd):
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# Determine the binary patch data length
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if (cmdSize <= 59):
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cmdLength = cmdSize
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else:
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cmdLength = 59
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# Add the HCI Command Header (Note: Set destination to IRAM1 until testing is complete)
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C += '0x27, 0xFC,\t\t// HCI Vendor Specific Command EM_WritePatchStart\n '
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C += '0x{:02X},\t\t\t// HCI Parameter Length\n '.format(cmdLength + 5)
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if ( (memory == 'IRAM') and (not bOTPOverride) ):
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C += '0x00,\t\t\t// Destination Memory (0 = IRAM1; 1 = OTP)\n '
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elif (memory == 'OTP'):
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C += '0x01,\t\t\t// Destination Memory (0 = IRAM1; 1 = OTP)\n '
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else:
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print('ERROR in destination memory indication')
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return
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# Create the binary data to run the CRC across
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crcarray = binarray[cmdIndex:(cmdIndex+cmdLength)]
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# Clear the firstCmd flag
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firstCmd = False
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#Remaining records are EM_WritePatchContinue commands
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else:
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# Determine the binary patch data length
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if (cmdSize <= 58):
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cmdLength = cmdSize
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else:
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cmdLength = 58
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# Add the HCI Command Header (Note: Set destination to IRAM1 until testing is complete
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C += '0x28, 0xFC,\t\t// HCI Vendor Specific Command EM_WritePatchContinue\n '
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C += '0x{:02X},\t\t\t// HCI Parameter Length\n '.format(cmdLength + 6)
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# Add the Sequence Number
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C += '0x{:02X}, '.format(seqNum & 0xFF)
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C += '0x{:02X},\t\t\t// Sequence Number\n '.format((seqNum >> 8) & 0xFF)
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# Create the binary data to run the CRC across
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crcarray = binarray[cmdIndex:(cmdIndex+cmdLength)]
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# Increment the Sequence Number
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seqNum = seqNum + 1
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# Add the CRC32 to the HCI command
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packetCRC = crc32(0xFFFFFFFF,crcarray)
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for i in range(0,4):
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C += '0x{:02X}, '.format(packetCRC & 0xFF)
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packetCRC = packetCRC >> 8
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C += '\t// CRC32'
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# Start a newline
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C += '\n '
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# index
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i = 0
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# Loop over binarray
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for n in range(cmdIndex,(cmdIndex+cmdLength)):
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# Add the hex representation of each byte to S
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C += '0x{:02X}'.format(binarray[n])
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# Print in comma-separated lines, 8 bytes long each.
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if i % 8 == 7:
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C += ',\n '
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else:
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C += ', '
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i += 1
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# The end of the previous loop will leave an extra comma and some amount of
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# whitespace after the last byte value. This line will remove that.
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C = C.rsplit(',', 1)[0]
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C += '\n },\n'
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# Increment the patch index
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patchIndex += 1
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#print("End of While Loop")
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#print(patchIndex)
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# Adjust the command size
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cmdSize -= cmdLength
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#print(cmdSize)
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# Adjust the command index
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cmdIndex += cmdLength
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#print(cmdIndex)
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cmdIndex = (cmdIndex + 3) & 0xFFFFFFFC
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#print(cmdIndex)
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# Set the ending patch index
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S += ' {0:3d}'.format(patchIndex) + ' },\n'
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else:
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# skipping with extra bytes inserted by emp patch
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# tool
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cmdIndex += 1
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# The end of the previous loop will leave an extra comma and some amount of
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# whitespace after the last byte value. This line will remove that.
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C = C.rsplit(',', 1)[0]
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C += '\n};\n\n'
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# The end of the previous loop will leave an extra comma and some amount of
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# whitespace after the last byte value. This line will remove that.
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S = S.rsplit(',', 1)[0]
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if (memory == 'OTP'):
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memory_var = 1;
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else:
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memory_var = 0;
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if (patchIndex > 0):
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# Define a set of names to be used in the output files.
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formatmap = {'length' : patchCount,
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'name' : output,
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'numpatches' : patchIndex,
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'macroname' : output.upper(),
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'lengthmacro' : output.upper() + '_NUM_PATCHES',
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'varname' : output.title().replace('_', ''),
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'patch_dest_memory_macro' : output.upper() + '_DEST_MEMORY',
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'dest_memory': memory_var,
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}
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else:
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# Define a set of names to be used in the output files.
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formatmap = {'length' : 1,
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'name' : output,
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'numpatches' : patchIndex,
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'macroname' : output.upper(),
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'lengthmacro' : output.upper() + '_NUM_PATCHES',
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'varname' : output.title().replace('_', ''),
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'patch_dest_memory_macro' : output.upper() + '_DEST_MEMORY',
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'dest_memory': memory_var,
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}
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dir = os.path.join(os.getcwd(),'../../ambiq_ble/em9304')
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os.chdir(dir)
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with open(output + '.c', mode = 'w') as out:
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# Print the global fileheader.
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print(cfile1.format(**formatmap), file=out)
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if (patchIndex > 0):
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print(cfile2.format(**formatmap), file=out)
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print(S, file=out)
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print(cfile3.format(**formatmap), file=out)
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print(C, file=out)
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else:
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print(cfile2_null.format(**formatmap), file=out)
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print(S, file=out)
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print(cfile3_null.format(**formatmap), file=out)
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print(C, file=out)
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|
|
|
|
|
with open(output + '.h', mode = 'w') as out:
|
|
print(hfile1.format(**formatmap), file=out)
|
|
if (patchIndex > 0):
|
|
print(hfile2.format(**formatmap), file=out)
|
|
else:
|
|
print(hfile3.format(**formatmap), file=out)
|
|
|
|
return
|
|
|
|
#******************************************************************************
|
|
#
|
|
# Main program flow
|
|
#
|
|
#******************************************************************************
|
|
if __name__ == '__main__':
|
|
print('Parse Args')
|
|
parser = argparse.ArgumentParser(description =
|
|
'Convert multiple EM9304 *.emp files to the em9304_patches.* files.')
|
|
parser.add_argument('-o', dest = 'memory', default = 'IRAM',
|
|
help = 'Destination memory (IRAM or OTP)')
|
|
|
|
args = parser.parse_args()
|
|
print('Call function')
|
|
process(args.memory)
|