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authorJuan J. Martinez <jjm@usebox.net>2021-05-03 08:21:10 +0100
committerJuan J. Martinez <jjm@usebox.net>2021-05-03 10:00:00 +0100
commitc3b0fa04a663fe233765b83d3be41a42aa08c25d (patch)
tree0befda349001ef6ce306b39378f9c70ad917363e /tools/hex2bin-2.0/src/common.c
downloadreturn-of-traxtor-cpc-c3b0fa04a663fe233765b83d3be41a42aa08c25d.tar.gz
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Initial import for public releaseHEADmain
Diffstat (limited to 'tools/hex2bin-2.0/src/common.c')
-rw-r--r--tools/hex2bin-2.0/src/common.c527
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");
+ }
+ }
+}