URL
https://opencores.org/ocsvn/System09/System09/trunk
Subversion Repositories System09
[/] [System09/] [rev_86/] [Tools/] [s19tovhd/] [S19toVHD.cpp] - Rev 112
Compare with Previous | Blame | View Log
// S19toVHD.cpp : Defines the entry point for the console application. // /* * epedit * * binary file editer program */ #include <stdio.h> #include <string.h> #include <ctype.h> /* * equates */ #define EPROM_MAX (1<<16) #define CMD_LINE_MAX 80 #define FALSE 0 #define TRUE !FALSE #define BINARY 0 #define MOTOROLA 1 #define INTEL 2 #define SMAL32 3 #define VHDL_BIN 4 #define VHDL_BYTE 5 #define VHDL_WORD 6 /* * global variables */ FILE *cmdfp; /* command input pointer */ char cmdbuff[CMD_LINE_MAX]; unsigned char eprom_buff[EPROM_MAX]; /* eprom buffer */ int eprom_top; /* top of EPROM buffer */ int mod_flag; /* buffer has been modified */ int auxflag; /* Auxillary input file specified */ int count; int checksum; int offset; /* Eprom Buffer memory offset */ int format_type; /* load / save format type */ char *hex_str = "0123456789ABCDEF"; /* * compare a string of specified length * return TRUE if a match * return FALSE if no match * ignore case */ int str_equal( char *s1, char *s2, int len ) { int i; i = 0; while( i<len ) { if( toupper( s1[i] ) == toupper( s2[i] ) ) i++; else return FALSE; } return TRUE; } int to_hexadecimal( char c ) { int k; for( k=0; k<16; k++ ) { if( toupper(c) == hex_str[k] ) return k; } return -1; } /* * extract an address from the command line * returns an offset to the end of the argument. */ int get_address( char *cb, int *addr ) { int i, j, k; j = 0; i = 0; while((k = to_hexadecimal(cb[i])) != -1) { i++; j = j *16 + k; } *addr = j; if( i == 0 ) return i; while( isspace( cb[i]) ) i++; return i; } /* * Motorola S1 format to Intel hex format * Usage * mot2hex <file_name> */ int gethex( FILE *fp_in ) { int hex; hex = fgetc( fp_in ); return( to_hexadecimal( hex ) ); } int get2hex( FILE *fp_in ) { int hexhi, hexlo, byte; hexhi = gethex( fp_in ); if( hexhi != -1 ) { hexlo = gethex( fp_in ); if( hexlo != -1 ) { byte = hexhi * 16 + hexlo; checksum = (checksum + byte) & 0xff; return byte; } } return -1; } int get4hex( FILE *fp_in ) { int bytehi, bytelo, addr; bytehi = get2hex( fp_in ); if( bytehi != -1 ) { bytelo = get2hex( fp_in ); if( bytelo != -1 ) { addr = (bytehi * 256) + bytelo; return addr; } } return -1; } int get6hex( FILE *fp_in ) { int bytehi, bytemid, bytelow, addr; bytehi = get2hex( fp_in ); if( bytehi != -1 ) { bytemid = get2hex( fp_in ); if( bytemid != -1 ) { bytelow = get2hex( fp_in ); if( bytelow != -1 ) { addr = (bytehi << 16) + (bytemid << 8) + bytelow; return addr; } } } return -1; } long get8hex( FILE *fp_in ) { int wordhi, wordlow; long addr; wordhi = get4hex( fp_in ); if( wordhi != -1 ) { wordlow = get4hex( fp_in ); if( wordlow != -1 ) { addr = ((long)wordhi << 16) + (long)wordlow; return addr; } } return -1; } /* * load motorola formatted file */ bool load_mot( char *fname_in ) { FILE *fp_in; int byte, addr, i; fp_in = fopen( fname_in, "r" ); if( !fp_in ) { printf( "\nCan't open %s", fname_in ); return false; } byte = 0; addr = 0; while( byte != -1 ) { do { byte = fgetc( fp_in); } while( (byte != 'S') && (byte != -1) ); byte = fgetc( fp_in ); checksum = 0; if( (byte == '1') || (byte == '2') ) { count = get2hex( fp_in ); if( byte == '1' ) { addr = get4hex( fp_in ); count -= 3; } else { addr = get6hex( fp_in ); count -= 4; } for( i=0; i<count; i++ ) { byte = get2hex( fp_in ); eprom_buff[( addr - offset) % EPROM_MAX ] = (unsigned char)byte; addr++; } byte = get2hex( fp_in); checksum = (~checksum) & 0xff; if( checksum != 0 ) printf( "\nchecksum error - read check = %02x", byte ); } } fclose( fp_in ); return true; } int put2hex( FILE *fp, int h ) { int i, hex; hex = (h & 0xf0)>>4; i = fputc( (int)hex_str[hex], fp ); hex = (h & 0xf); i = fputc( (int)hex_str[hex], fp ); checksum = (checksum + h) & 0xff; return i; } int put4hex( FILE * fp, int h ) { int i; i = put2hex( fp, (h & 0xff00 )>>8 ); i = put2hex( fp, (h & 0xff) ); return i; } /* * save VHDL hexadecimal file */ void save_vhdl_byte( FILE *fp_out, char *entity_name, int start_addr, int end_addr ) { int addr; int i,j; int byte; j=0; fprintf(fp_out, "library IEEE;\n"); fprintf(fp_out, " use IEEE.std_logic_1164.all;\n"); fprintf(fp_out, " use IEEE.std_logic_arith.all;\n"); fprintf(fp_out, "library unisim;\n"); fprintf(fp_out, " use unisim.vcomponents.all;\n"); fprintf(fp_out, "\n"); fprintf(fp_out, "entity %s is\n", entity_name); fprintf(fp_out, " port(\n"); fprintf(fp_out, " clk : in std_logic;\n"); fprintf(fp_out, " rst : in std_logic;\n"); fprintf(fp_out, " cs : in std_logic;\n"); fprintf(fp_out, " rw : in std_logic;\n"); fprintf(fp_out, " addr : in std_logic_vector(10 downto 0);\n"); fprintf(fp_out, " rdata : out std_logic_vector(7 downto 0);\n"); fprintf(fp_out, " wdata : in std_logic_vector(7 downto 0)\n"); fprintf(fp_out, " );\n"); fprintf(fp_out, "end %s;\n", entity_name); fprintf(fp_out, "\n"); fprintf(fp_out, "architecture rtl of %s is\n", entity_name); fprintf(fp_out, " signal we : std_logic;\n"); fprintf(fp_out, " signal dp : std_logic;\n"); fprintf(fp_out, "begin\n"); fprintf(fp_out, " ROM: RAMB16_S9\n"); fprintf(fp_out, " generic map (\n"); for( addr=start_addr; addr<=end_addr; addr+=32 ) { fprintf( fp_out, " INIT_%02x => x\"", j ); for(i=31; i>=0; i-- ) { byte = (int)eprom_buff[(addr - offset + i) % EPROM_MAX]; putc( hex_str[(byte >>4) & 0xf], fp_out ); putc( hex_str[byte & 0xf], fp_out ); } if (addr+32 < end_addr) { fprintf( fp_out, "\",\n" ); } else { fprintf( fp_out, "\"\n" ); } j++; } fprintf(fp_out, " )\n"); fprintf(fp_out, " port map (\n"); fprintf(fp_out, " do => rdata,\n"); fprintf(fp_out, " dop(0) => dp,\n"); fprintf(fp_out, " addr => addr,\n"); fprintf(fp_out, " clk => clk,\n"); fprintf(fp_out, " di => wdata,\n"); fprintf(fp_out, " dip(0) => dp,\n"); fprintf(fp_out, " en => cs,\n"); fprintf(fp_out, " ssr => rst,\n"); fprintf(fp_out, " we => we\n"); fprintf(fp_out, " );\n"); fprintf(fp_out, " drive_we: process (rw)\n"); fprintf(fp_out, " begin\n"); fprintf(fp_out, " we <= not rw;\n"); fprintf(fp_out, " end process;\n"); fprintf(fp_out, "end architecture rtl;\n\n"); } /* * epedit main program */ int main(int argc, char* argv[]) { int start_addr; int end_addr; int arglen; char entity_name_buf[512]; char hdl_file_buf[1024]; char buf[1024]; char *curpos; FILE *fp_out; if (argc < 5) { printf("Usage: s19tovhd <s19 file> <base vhd file> <vhdl base entity name> <addr> [<addr> ...]\n"); return(-1); } printf("Reading Motorola S19 from file '%s'\n", argv[1]); printf("VHDL file name '%s'\n", argv[2]); printf("Base RAM/ROM entity name is '%s'\n", argv[3]); if (!load_mot( argv[1] )) { return(-1); } if( (fp_out = fopen( argv[2], "w" )) == NULL ) { printf( "\nCan't open '%s' for write ", argv[2] ); return(-1); } for (int cnt=4; cnt<argc; cnt++) { if( (arglen = get_address( argv[cnt], &start_addr )) == 0 ) { printf("Expected hex start address, got %s\n", argv[cnt]); continue; } end_addr = start_addr + 2047; sprintf(entity_name_buf, "%s_%4X", argv[3], start_addr); printf("Entity '%s' (address range '0x%4X'-'0x%4X') written to file '%s'\n", entity_name_buf, start_addr, end_addr, argv[2]); save_vhdl_byte( fp_out, entity_name_buf, start_addr, end_addr ); } if (fp_out) fclose(fp_out); return(0); }