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author | Juan J. Martinez <jjm@usebox.net> | 2020-12-30 19:07:31 +0000 |
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committer | Juan J. Martinez <jjm@usebox.net> | 2020-12-30 19:23:41 +0000 |
commit | 2682bc5d1d864341aaeb42a449db73c3ecd16d70 (patch) | |
tree | 9116764364b4ee0ce7f6037305077807b57776de /tools/hex2bin-2.0/src/common.c | |
download | ubox-msx-lib-2682bc5d1d864341aaeb42a449db73c3ecd16d70.tar.gz ubox-msx-lib-2682bc5d1d864341aaeb42a449db73c3ecd16d70.zip |
Initial import1.0
Diffstat (limited to 'tools/hex2bin-2.0/src/common.c')
-rw-r--r-- | tools/hex2bin-2.0/src/common.c | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/tools/hex2bin-2.0/src/common.c b/tools/hex2bin-2.0/src/common.c new file mode 100644 index 0000000..f453dc4 --- /dev/null +++ b/tools/hex2bin-2.0/src/common.c @@ -0,0 +1,527 @@ +#include "common.h" + +filetype Filename; /* string for opening files */ +char Extension[MAX_EXTENSION_SIZE]; /* filename extension for output files */ + +FILE *Filin, /* input files */ + *Filout; /* output files */ + +#ifdef USE_FILE_BUFFERS +char *FilinBuf, /* text buffer for file input */ + *FiloutBuf; /* text buffer for file output */ +#endif + +int Pad_Byte = 0xFF; +bool Enable_Checksum_Error = false; +bool Status_Checksum_Error = false; +byte Checksum; +unsigned int Record_Nb; + +/* This will hold binary codes translated from hex file. */ +byte *Memory_Block; +unsigned int Lowest_Address, Highest_Address; +unsigned int Starting_Address; +unsigned int Max_Length = 0; +unsigned int Minimum_Block_Size = 0x1000; // 4096 byte +int Module; +bool Minimum_Block_Size_Setted = false; +bool Starting_Address_Setted = false; +bool Max_Length_Setted = false; +bool Swap_Wordwise = false; + +int Endian = 0; + +t_CRC Cks_Type = CHK8_SUM; +unsigned int Cks_Start = 0, Cks_End = 0, Cks_Addr = 0, Cks_Value = 0; +bool Cks_range_set = false; +bool Cks_Addr_set = false; +bool Force_Value = false; + +unsigned int Crc_Poly = 0x07, Crc_Init = 0, Crc_XorOut = 0; +bool Crc_RefIn = false; +bool Crc_RefOut = false; + +void usage(void) +{ + fprintf (stderr, + "\n" + "usage: %s [OPTIONS] filename\n" + "Options:\n" + " -c Enable record checksum verification\n" + " -C [Poly][Init][RefIn][RefOut][XorOut]\n CRC parameters" + " -e [ext] Output filename extension (without the dot)\n" + " -E [0|1] Endian for checksum/CRC, 0: little, 1: big\n" + " -f [address] Address of check result to write\n" + " -F [address] [value]\n Address and value to force\n" + " -k [0-4] Select check method (checksum or CRC) and size\n" + " -d display list of check methods/value size\n" + " -l [length] Maximal Length (Starting address + Length -1 is Max Address)\n" + " File will be filled with Pattern until Max Address is reached\n" + " -m [size] Minimum Block Size\n" + " File Size Dimension will be a multiple of Minimum block size\n" + " File will be filled with Pattern\n" + " Length must be a power of 2 in hexadecimal [see -l option]\n" + " Attention this option is STRONGER than Maximal Length \n" + " -p [value] Pad-byte value in hex (default: %x)\n" + " -r [start] [end]\n" + " Range to compute checksum over (default is min and max addresses)\n" + " -s [address] Starting address in hex (default: 0)\n" + " -w Swap wordwise (low <-> high)\n\n", + Pgm_Name,Pad_Byte); + exit(1); +} /* procedure USAGE */ + +void DisplayCheckMethods(void) +{ + fprintf (stderr, + "Check methods/value size:\n" + "0: Checksum 8-bit\n" + "1: Checksum 16-bit\n" + "2: CRC8\n" + "3: CRC16\n" + "4: CRC32\n"); + exit(1); +} + +#define LAST_CHECK_METHOD 4 + +void *NoFailMalloc (size_t size) +{ + void *result; + + if ((result = malloc (size)) == NULL) + { + fprintf (stderr,"Can't allocate memory.\n"); + exit(1); + } + return (result); +} + +/* Open the input file, with error checking */ +void NoFailOpenInputFile (char *Flnm) +{ + while ((Filin = fopen(Flnm,"r")) == NULL) + { + fprintf (stderr,"Input file %s cannot be opened. Enter new filename: ",Flnm); + if (fgets (Flnm,MAX_FILE_NAME_SIZE,stdin) == NULL) exit(1); /* modified error checking */ + + if (Flnm[strlen(Flnm) - 1] == '\n') Flnm[strlen(Flnm) - 1] = '\0'; + } + +#ifdef USE_FILE_BUFFERS + FilinBuf = (char *) NoFailMalloc (BUFFSZ); + setvbuf(Filin, FilinBuf, _IOFBF, BUFFSZ); +#endif +} /* procedure OPENFILIN */ + +/* Open the output file, with error checking */ +void NoFailOpenOutputFile (char *Flnm) +{ + while ((Filout = fopen(Flnm,"wb")) == NULL) + { + /* Failure to open the output file may be + simply due to an insufficiant permission setting. */ + fprintf(stderr,"Output file %s cannot be opened. Enter new file name: ", Flnm); + if (fgets(Flnm,MAX_FILE_NAME_SIZE,stdin) == NULL) exit(1); + + if (Flnm[strlen(Flnm) - 1] == '\n') Flnm[strlen(Flnm) - 1] = '\0'; + } + +#ifdef USE_FILE_BUFFERS + FiloutBuf = (char *) NoFailMalloc (BUFFSZ); + setvbuf(Filout, FiloutBuf, _IOFBF, BUFFSZ); +#endif + +} /* procedure OPENFILOUT */ + +void GetLine(char* str,FILE *in) +{ + char *result; + + result = fgets(str,MAX_LINE_SIZE,in); + if ((result == NULL) && !feof (in)) fprintf(stderr,"Error occurred while reading from file\n"); +} + +// 0 or 1 +int GetBin(const char *str) +{ + int result; + unsigned int value; + + result = sscanf(str,"%u",&value); + + if (result == 1) return value & 1; + else + { + fprintf(stderr,"GetBin: some error occurred when parsing options.\n"); + exit (1); + } +} + +int GetDec(const char *str) +{ + int result; + unsigned int value; + + result = sscanf(str,"%u",&value); + + if (result == 1) return value; + else + { + fprintf(stderr,"GetDec: some error occurred when parsing options.\n"); + exit (1); + } +} + +int GetHex(const char *str) +{ + int result; + unsigned int value; + + result = sscanf(str,"%x",&value); + + if (result == 1) return value; + else + { + fprintf(stderr,"GetHex: some error occurred when parsing options.\n"); + exit (1); + } +} + +// Char t/T: true f/F: false +bool GetBoolean(const char *str) +{ + int result; + unsigned char value, temp; + + result = sscanf(str,"%c",&value); + temp = tolower(value); + + if ((result == 1) && ((temp == 't') || (temp == 'f'))) + { + return (temp == 't'); + } + else + { + fprintf(stderr,"GetBoolean: some error occurred when parsing options.\n"); + exit (1); + } +} + +void GetExtension(const char *str,char *ext) +{ + if (strlen(str) > MAX_EXTENSION_SIZE) + usage(); + + strcpy(ext, str); +} + +/* Adds an extension to a file name */ +void PutExtension(char *Flnm, char *Extension) +{ + char *Period; /* location of period in file name */ + bool Samename; + + /* This assumes DOS like file names */ + /* Don't use strchr(): consider the following filename: + ../my.dir/file.hex + */ + if ((Period = strrchr(Flnm,'.')) != NULL) + *(Period) = '\0'; + + Samename = false; + if (strcmp(Extension, Period+1) == 0) + Samename = true; + + strcat(Flnm,"."); + strcat(Flnm, Extension); + if (Samename) + { + fprintf (stderr,"Input and output filenames (%s) are the same.", Flnm); + exit(1); + } +} + +void VerifyChecksumValue(void) +{ + if ((Checksum != 0) && Enable_Checksum_Error) + { + fprintf(stderr,"Checksum error in record %d: should be %02X\n", + Record_Nb, (256 - Checksum) & 0xFF); + Status_Checksum_Error = true; + } +} + +void CrcParamsCheck(void) +{ + switch (Cks_Type) + { + case CRC8: + Crc_Poly &= 0xFF; + Crc_Init &= 0xFF; + Crc_XorOut &= 0xFF; + break; + case CRC16: + Crc_Poly &= 0xFFFF; + Crc_Init &= 0xFFFF; + Crc_XorOut &= 0xFFFF; + break; + case CRC32: + break; + default: + fprintf (stderr,"See file CRC list.txt for parameters\n"); + exit(1); + } +} + +void WriteMemBlock16(uint16_t Value) +{ + if (Endian == 1) + { + Memory_Block[Cks_Addr - Lowest_Address] = u16_hi(Value); + Memory_Block[Cks_Addr - Lowest_Address +1] = u16_lo(Value); + } + else + { + Memory_Block[Cks_Addr - Lowest_Address +1] = u16_hi(Value); + Memory_Block[Cks_Addr - Lowest_Address] = u16_lo(Value); + } +} + +void WriteMemBlock32(uint32_t Value) +{ + if (Endian == 1) + { + Memory_Block[Cks_Addr - Lowest_Address] = u32_b3(Value); + Memory_Block[Cks_Addr - Lowest_Address +1] = u32_b2(Value); + Memory_Block[Cks_Addr - Lowest_Address +2] = u32_b1(Value); + Memory_Block[Cks_Addr - Lowest_Address +3] = u32_b0(Value); + } + else + { + Memory_Block[Cks_Addr - Lowest_Address +3] = u32_b3(Value); + Memory_Block[Cks_Addr - Lowest_Address +2] = u32_b2(Value); + Memory_Block[Cks_Addr - Lowest_Address +1] = u32_b1(Value); + Memory_Block[Cks_Addr - Lowest_Address] = u32_b0(Value); + } +} + +void WriteMemory(void) +{ + if ((Cks_Addr >= Lowest_Address) || (Cks_Addr < Highest_Address)) + { + if(Force_Value) + { + switch (Cks_Type) + { + case 0: + Memory_Block[Cks_Addr - Lowest_Address] = Cks_Value; + fprintf(stdout,"Addr %08X set to %02X\n",Cks_Addr, Cks_Value); + break; + case 1: + WriteMemBlock16(Cks_Value); + fprintf(stdout,"Addr %08X set to %04X\n",Cks_Addr, Cks_Value); + break; + case 2: + WriteMemBlock32(Cks_Value); + fprintf(stdout,"Addr %08X set to %08X\n",Cks_Addr, Cks_Value); + break; + default:; + } + } + else if (Cks_Addr_set) + { + /* Add a checksum to the binary file */ + if (!Cks_range_set) + { + Cks_Start = Lowest_Address; + Cks_End = Highest_Address; + } + /* checksum range MUST BE in the array bounds */ + + if (Cks_Start < Lowest_Address) + { + fprintf(stdout,"Modifying range start from %X to %X\n",Cks_Start,Lowest_Address); + Cks_Start = Lowest_Address; + } + if (Cks_End > Highest_Address) + { + fprintf(stdout,"Modifying range end from %X to %X\n",Cks_End,Highest_Address); + Cks_End = Highest_Address; + } + + switch (Cks_Type) + { + case CHK8_SUM: + { + uint8_t wCKS = 0; + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + wCKS += Memory_Block[i - Lowest_Address]; + } + + fprintf(stdout,"8-bit Checksum = %02X\n",wCKS & 0xff); + Memory_Block[Cks_Addr - Lowest_Address] = wCKS; + fprintf(stdout,"Addr %08X set to %02X\n",Cks_Addr, wCKS); + } + break; + + case CHK16: + { + uint16_t wCKS, w; + + wCKS = 0; + + if (Endian == 1) + { + for (unsigned int i=Cks_Start; i<=Cks_End; i+=2) + { + w = Memory_Block[i - Lowest_Address +1] | ((word)Memory_Block[i - Lowest_Address] << 8); + wCKS += w; + } + } + else + { + for (unsigned int i=Cks_Start; i<=Cks_End; i+=2) + { + w = Memory_Block[i - Lowest_Address] | ((word)Memory_Block[i - Lowest_Address +1] << 8); + wCKS += w; + } + } + fprintf(stdout,"16-bit Checksum = %04X\n",wCKS); + WriteMemBlock16(wCKS); + fprintf(stdout,"Addr %08X set to %04X\n",Cks_Addr, wCKS); + } + break; + + case CRC8: + { + uint8_t CRC8; + crc_table = NoFailMalloc(256); + + if (Crc_RefIn) + { + init_crc8_reflected_tab(Reflect8[Crc_Poly]); + CRC8 = Reflect8[Crc_Init]; + } + else + { + init_crc8_normal_tab(Crc_Poly); + CRC8 = Crc_Init; + } + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + CRC8 = update_crc8(CRC8,Memory_Block[i - Lowest_Address]); + } + + CRC8 = (CRC8 ^ Crc_XorOut) & 0xff; + Memory_Block[Cks_Addr - Lowest_Address] = CRC8; + fprintf(stdout,"Addr %08X set to %02X\n",Cks_Addr, CRC8); + } + break; + + case CRC16: + { + uint16_t CRC16; + crc_table = NoFailMalloc(256 * 2); + + if (Crc_RefIn) + { + init_crc16_reflected_tab(Reflect16(Crc_Poly)); + CRC16 = Reflect16(Crc_Init); + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + CRC16 = update_crc16_reflected(CRC16,Memory_Block[i - Lowest_Address]); + } + } + else + { + init_crc16_normal_tab(Crc_Poly); + CRC16 = Crc_Init; + + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + CRC16 = update_crc16_normal(CRC16,Memory_Block[i - Lowest_Address]); + } + } + + CRC16 = (CRC16 ^ Crc_XorOut) & 0xffff; + WriteMemBlock16(CRC16); + fprintf(stdout,"Addr %08X set to %04X\n",Cks_Addr, CRC16); + } + break; + + case CRC32: + { + uint32_t CRC32; + + crc_table = NoFailMalloc(256 * 4); + if (Crc_RefIn) + { + init_crc32_reflected_tab(Reflect32(Crc_Poly)); + CRC32 = Reflect32(Crc_Init); + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + CRC32 = update_crc32_reflected(CRC32,Memory_Block[i - Lowest_Address]); + } + } + else + { + init_crc32_normal_tab(Crc_Poly); + CRC32 = Crc_Init; + + for (unsigned int i=Cks_Start; i<=Cks_End; i++) + { + CRC32 = update_crc32_normal(CRC32,Memory_Block[i - Lowest_Address]); + } + } + + CRC32 ^= Crc_XorOut; + WriteMemBlock32(CRC32); + fprintf(stdout,"Addr %08X set to %08X\n",Cks_Addr, CRC32); + } + break; + + default: + ; + } + + free(crc_table); + } + } + else + { + fprintf (stderr,"Force/Check address outside of memory range\n"); + } + + /* write binary file */ + fwrite (Memory_Block, + Max_Length, + 1, + Filout); + + free (Memory_Block); + + // Minimum_Block_Size is set; the memory buffer is multiple of this? + if (Minimum_Block_Size_Setted==true) + { + Module = Max_Length % Minimum_Block_Size; + if (Module) + { + Memory_Block = (byte *) NoFailMalloc(Module); + memset (Memory_Block,Pad_Byte,Module); + fwrite (Memory_Block, + Module, + 1, + Filout); + free (Memory_Block); + if (Max_Length_Setted==true) + fprintf(stdout,"Attention Max Length changed by Minimum Block Size\n"); + } + } +} |