URL
https://opencores.org/ocsvn/System09/System09/trunk
// S19toVHD.cpp : Defines the entry point for the console application.
//
/*
* epedit
*
* binary file editer program
*/
#include
#include
#include
#include
/*
* 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 = 0;
while( i
*/
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>4;
int 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 = put2hex( fp, (h & 0xff00 )>>8 );
i = put2hex( fp, (h & 0xff) );
return i;
}
char *bin_string( int num, int num_len )
{
static char retbuf[33];
char *p;
int i;
p = &retbuf[sizeof(retbuf)-1];
*p = '\0';
for (i=0; i>= 1;
}
return p;
}
/*
* save VHDL hexadecimal file 4KBit Block RAM (Spartan 2)
*/
void save_vhdl_b4( FILE *fp_out, char *entity_name, int start_addr, int end_addr )
{
int addr;
int i,j;
int byte;
int rom_num, rom_max, rom_len;
int addr_len;
rom_max = (end_addr+1-start_addr)/512;
rom_len = 8;
addr_len = (int)(log((double)(end_addr-start_addr))/log(2.0));
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(%d downto 0);\n", addr_len);
fprintf(fp_out, " data_out : out std_logic_vector(7 downto 0);\n");
fprintf(fp_out, " data_in : 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, "\n");
fprintf(fp_out, " type data_array is array(0 to %d) of std_logic_vector(7 downto 0);\n",rom_max-1);
fprintf(fp_out, " signal xdata : data_array;\n");
fprintf(fp_out, " signal en : std_logic_vector(%d downto 0);\n", rom_max-1);
fprintf(fp_out, " signal we : std_logic;\n");
fprintf(fp_out, "\n");
fprintf(fp_out," begin\n");
fprintf(fp_out, "\n");
addr=start_addr;
for( rom_num=0; rom_num 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 (j < 15) {
fprintf( fp_out, "\",\n" );
} else {
fprintf( fp_out, "\"\n" );
}
addr+=32;
}
fprintf(fp_out, " )\n");
fprintf(fp_out, " port map (\n");
fprintf(fp_out, " clk => clk,\n");
fprintf(fp_out, " en => en(%d),\n", rom_num );
fprintf(fp_out, " we => we,\n");
fprintf(fp_out, " rst => rst,\n");
fprintf(fp_out, " addr => addr(8 downto 0),\n");
fprintf(fp_out, " di => data_in,\n");
fprintf(fp_out, " do => xdata(%d)\n", rom_num );
fprintf(fp_out, " );\n");
fprintf(fp_out, "\n");
}
fprintf(fp_out, " rom_glue: process (cs, rw, addr, xdata)\n");
fprintf(fp_out, " begin\n");
if( addr_len > rom_len ) {
fprintf(fp_out, " en <= (others=>'0');\n");
fprintf(fp_out, " case addr(%d downto %d) is\n", addr_len, rom_len+1 );
for( rom_num=0; rom_num\n", bin_string(rom_num, addr_len-rom_len) );
fprintf(fp_out, " en(%d) <= cs;\n", rom_num );
fprintf(fp_out, " data_out <= xdata(%d);\n", rom_num);
}
fprintf(fp_out, " when others =>\n");
fprintf(fp_out, " null;\n");
fprintf(fp_out, " end case;\n");
} else {
fprintf(fp_out, " en(0) <= cs;\n" );
fprintf(fp_out, " data_out <= xdata(0);\n" );
}
fprintf(fp_out, " we <= not rw;\n");
fprintf(fp_out, " end process;\n");
fprintf(fp_out, "end architecture rtl;\n\n");
}
/*
* save VHDL hexadecimal file 16 KBit Block RAM (Spartan 3)
*/
void save_vhdl_b16( FILE *fp_out, char *entity_name, int start_addr, int end_addr )
{
int addr;
int i,j;
int byte;
int rom_num, rom_max, rom_len;
int addr_len;
rom_max = (end_addr+1-start_addr)/2048;
rom_len = 10;
addr_len = (int)(log((double)(end_addr-start_addr))/log(2.0));
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(%d downto 0);\n", addr_len);
fprintf(fp_out, " data_out : out std_logic_vector(7 downto 0);\n");
fprintf(fp_out, " data_in : 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, "\n");
fprintf(fp_out, " type data_array is array(0 to %d) of std_logic_vector(7 downto 0);\n",rom_max-1);
fprintf(fp_out, " signal xdata : data_array;\n");
fprintf(fp_out, " signal en : std_logic_vector(%d downto 0);\n", rom_max-1);
fprintf(fp_out, " signal dp : std_logic_vector(%d downto 0);\n", rom_max-1);
fprintf(fp_out, " signal we : std_logic;\n");
fprintf(fp_out, "\n");
fprintf(fp_out, " begin\n");
fprintf(fp_out, "\n");
addr=start_addr;
for( rom_num=0; rom_num 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 (j < 63) {
fprintf( fp_out, "\",\n" );
} else {
fprintf( fp_out, "\"\n" );
}
addr+=32;
}
fprintf(fp_out, " )\n");
fprintf(fp_out, " port map (\n");
fprintf(fp_out, " CLK => clk,\n");
fprintf(fp_out, " SSR => rst,\n");
fprintf(fp_out, " EN => en(%d),\n", rom_num );
fprintf(fp_out, " WE => we,\n");
fprintf(fp_out, " ADDR => addr(10 downto 0),\n");
fprintf(fp_out, " DI => data_in,\n");
fprintf(fp_out, " DIP(0) => dp(%d),\n", rom_num );
fprintf(fp_out, " DO => xdata(%d),\n", rom_num );
fprintf(fp_out, " DOP(0) => dp(%d)\n", rom_num );
fprintf(fp_out, " );\n");
}
fprintf(fp_out, " rom_glue: process (cs, rw, addr, xdata)\n");
fprintf(fp_out, " begin\n");
if( addr_len > rom_len ) {
fprintf(fp_out, " en <= (others=>'0');\n");
fprintf(fp_out, " case addr(%d downto %d) is\n", addr_len, rom_len+1 );
for( rom_num=0; rom_num\n", bin_string(rom_num, addr_len-rom_len) );
fprintf(fp_out, " en(%d) <= cs;\n", rom_num );
fprintf(fp_out, " data_out <= xdata(%d);\n", rom_num);
}
fprintf(fp_out, " when others =>\n");
fprintf(fp_out, " null;\n");
fprintf(fp_out, " end case;\n");
} else {
fprintf(fp_out, " en(0) <= cs;\n");
fprintf(fp_out, " data_out <= xdata(0);\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 [ ...]\n");
return(-1);
}
int bram_type_arg_pos = 1;
int s19_file_arg_pos = 2;
int base_vhdl_file_arg_pos = 3;
int entity_name_arg_pos = 4;
int first_addr_arg_pos = 5;
char *bram_type = argv[bram_type_arg_pos];
char *s19_file = argv[s19_file_arg_pos];
char *base_vhd_file = argv[base_vhdl_file_arg_pos];
char *entity_name = argv[entity_name_arg_pos];
printf("Block-RAM type '%s'\n", bram_type);
printf("Reading Motorola S19 from file '%s'\n", s19_file);
printf("VHDL file name '%s'\n", base_vhd_file);
printf("Base RAM/ROM entity name is '%s'\n", entity_name);
if (! load_mot( s19_file )) return (-1);
if (strcmp(bram_type,"b16") == 0) {
if( (fp_out = fopen( base_vhd_file, "w" )) == NULL ) {
printf( "\nCan't open '%s' for write ", base_vhd_file );
return(-1);
}
for (int cnt=first_addr_arg_pos; cnt
