genprofz.c

来自「ESS3890+SL原代码（1*16内存）」· C语言 代码 · 共 271 行

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID @(#)genprofz.c	4.5 06/15/04 */

/* Based on SVCD genprof.c	1.1 8/2/99 */
/*
 * $Log$
 */



/*
 * This program generates the profile for making a ROM image.
 *
 * Usage: genprof rom_size 
 *	rom_size:	128/256/512/1024/2048K ROM
 *			
 */

#include <stdio.h>
#include <time.h>
#include <sys/time.h>

#define FAKE
/* undef GBLDEF used in memmap.h for the purpose of generating profile */
#define GBLDEF(name, value)      extern name
#include "memmap.h"

unsigned long stack_top = VCD_VBV_start * 4;
unsigned long heap_start = DISP_start * 4;

int romsize;     /* ROM size may be different 	*/
int organization = 1;

/*
 * We only care about bank 3 address (1C000000). We'll set all "high-order"
 * bits to 1 for ROM emulator support. Even though our chips only have 
 * 22 address pins (A21), I'll reserve all the way to A23. I'll leave
 * A24 and A25 empty for carries.
 *
 * Address is set such that we just have enough bits empty for the
 * desired ROM size.
 */
long startaddr[] = {
    0x1cfe0000,		/* 128K  ROM (0x20000)				*/
    0x1cfc0000,		/* 256K  ROM (0x40000)				*/
    0x1cf80000,		/* 512K  ROM (0x80000)				*/
    0x1cf00000,		/* 1024K ROM (0x100000)				*/
    0x1ce00000,		/* 2048K ROM (0x200000)				*/
};

long lastaddr[5];

long getVersion(void);

int main(int argc, char **argv)
{
    int index;
    long tmp;

    if ((argc != 2) || (sscanf(argv[1], "%d", &romsize) != 1)) {
	fprintf(stderr, "Usage: %s rom_size\n", argv[0]);
	return 1;
    }

    /* Compute the last address based on the starting address */
    tmp = 0x20000; /* 256K */
    for (index = 0; index < 5; index++) {
	lastaddr[index] = startaddr[index] + tmp;
	tmp <<= 1;
    }

    /* Translate ROM size to index into the arrays */
    switch(romsize) {
      case 128:  index = 0; break;
      case 256:  index = 1; break;
      case 512:  index = 2; break;
      case 1024: index = 3; break;
      case 2048: index = 4; break;
      default:
	fprintf(stderr, "Usage: %s {128|256|512|1024|2048}\n", argv[0]);
	exit(1);
    }

    /* explanations */
    fprintf(stdout, "# GENERATED AUTOMATICALLY! DON'T MODIFY IT UNLESS YOU KNOW THE SECRETS!!\n");
    fprintf(stdout, "\n#####################################\n");
    fprintf(stdout, "### Profile for making bank30.rom ###\n");
    fprintf(stdout, "#####################################\n\n");
    fprintf(stdout, "# The format of content entries consists of three fields:\n");
    fprintf(stdout, "# (1) type(file/data/text). data/text marks DATA/TEXT segment,\n");
    fprintf(stdout, "#     file marks a pure data file.\n");
    fprintf(stdout, "# (2) filename\n");
    fprintf(stdout, "# (3) cache/noncache(default cache)\n\n");

    /* content */
    fprintf(stdout, "[content]\n");
    fprintf(stdout, "text demux.rom\n");
    fprintf(stdout, "data demux.rom\n");
#ifdef CODE_IN_ROM
    fprintf(stdout, "text rdsa.rom noncache\n");
    fprintf(stdout, "data rdsa.rom\n");
#endif

#ifdef XSEG1_ON_FLY
    fprintf(stdout, "text xtra_s1.rom\n");
    fprintf(stdout, "data xtra_s1.rom\n");
#endif
#ifdef XSEG2_ON_FLY
    fprintf(stdout, "text xtra_s2.rom\n");
    fprintf(stdout, "data xtra_s2.rom\n");
#endif
#ifdef XSEG3_ON_FLY
    fprintf(stdout, "text xtra_s3.rom\n");
    fprintf(stdout, "data xtra_s3.rom\n");
#endif
#ifdef XSEG4_ON_FLY
    fprintf(stdout, "text xtra_s4.rom\n");
    fprintf(stdout, "data xtra_s4.rom\n");
#endif
    fprintf(stdout, "file const.dat\n");

#ifdef COMPRESS
    fprintf(stdout, "file decomp.txt\n");
    fprintf(stdout, "file decomp.dat\n");
#endif COMPRESS
    
    /* boot code */
    fprintf(stdout, "\n\n# bootcode specifies the name of startup code\n\n");
    fprintf(stdout, "[bootcode]\n");
    fprintf(stdout, "boot\n\n");

    /* compress */
    fprintf(stdout, "# compress lists the text/data/file to be compressed\n\n");
    fprintf(stdout, "[compress]\n");
#ifdef COMPRESS
    fprintf(stdout, "text demux.rom\n");
#endif COMPRESS

#ifdef XSEG1_ON_FLY
    fprintf(stdout, "data xtra_s1.rom\n");
    fprintf(stdout, "text xtra_s1.rom\n");
#endif XSEG1_ON_FLY

#ifdef XSEG2_ON_FLY
    fprintf(stdout, "data xtra_s2.rom\n");
    fprintf(stdout, "text xtra_s2.rom\n");
#endif XSEG2_ON_FLY

#ifdef XSEG3_ON_FLY
    fprintf(stdout, "data xtra_s3.rom\n");
    fprintf(stdout, "text xtra_s3.rom\n");
#endif XSEG3_ON_FLY

#ifdef XSEG4_ON_FLY
    fprintf(stdout, "data xtra_s4.rom\n");
    fprintf(stdout, "text xtra_s4.rom\n");
#endif XSEG4_ON_FLY

    fprintf(stdout, "\n");

    /* command blocks */
    fprintf(stdout, "# cmdblock lists the commands to be executed during startup.\n");
    fprintf(stdout, "# The commands will be parsed by mvdrom.\n");
    fprintf(stdout, "# After being parsed, each command occupies 16bytes in ROM image.\n");
    fprintf(stdout, "# The format is : command type, source address, destination address, size.\n\n");
    fprintf(stdout, "[cmdblock]\n");

#ifdef COMPRESS
    fprintf(stdout, "copy    demux.rom    data\n");
    fprintf(stdout, "clear   demux.rom    bss\n");
    fprintf(stdout, "\n");
    
    fprintf(stdout,"copy    decomp.dat   %lx\n",SHARE_start<<2);
    fprintf(stdout,"set4    demux.rom    text\n");
    fprintf(stdout,"set5    %x\n",CODE_start<<2);
    fprintf(stdout,"set25\n");
    fprintf(stdout,"set29   %lx\n",stack_top);
    fprintf(stdout,"set19   %08lx\n", heap_start);
    fprintf(stdout,"set24   decomp.txt\n");
    fprintf(stdout,"jsr     decomp.txt\n");
    fprintf(stdout, "copy    demux.rom    data\n");
    fprintf(stdout, "clear   demux.rom    bss\n");
    fprintf(stdout, "set23   demux.rom    %x\n",CODE_start<<2);
    fprintf(stdout, "jump    demux.rom    START\n\n");
#else
    fprintf(stdout, "copy    demux.rom    data\n");
    fprintf(stdout, "clear   demux.rom    bss\n");
    fprintf(stdout, "copy    rdsa.rom     data\n");
    fprintf(stdout, "clear   rdsa.rom     bss\n");
    fprintf(stdout, "set23   demux.rom    text\n");
    fprintf(stdout, "set24   rdsa.rom     text\n");
    fprintf(stdout, "jump    rdsa.rom     START\n\n");
#endif COMPRESS

    /* variables */
    fprintf(stdout, "[variables]\n");
    fprintf(stdout, "_vcx_romdatastart const.dat\n" );
#ifdef XSEG1_ON_FLY
    fprintf(stdout, "_xtra_s1_compress_data_start xtra_s1.rom data\n");
    fprintf(stdout, "_xtra_s1_compress_text_start xtra_s1.rom text\n" );
#endif XSEG1_ON_FLY

#ifdef XSEG2_ON_FLY
    fprintf(stdout, "_xtra_s2_compress_data_start xtra_s2.rom data\n");
    fprintf(stdout, "_xtra_s2_compress_text_start xtra_s2.rom text\n" );
#endif XSEG2_ON_FLY

#ifdef XSEG3_ON_FLY
    fprintf(stdout, "_xtra_s3_compress_data_start xtra_s3.rom data\n");
    fprintf(stdout, "_xtra_s3_compress_text_start xtra_s3.rom text\n" );
#endif XSEG3_ON_FLY

#ifdef XSEG4_ON_FLY
    fprintf(stdout, "_xtra_s4_compress_data_start xtra_s4.rom data\n");
    fprintf(stdout, "_xtra_s4_compress_text_start xtra_s4.rom text\n" );
#endif XSEG4_ON_FLY

#ifdef DEMUX_ON_FLY
    fprintf(stdout, "_demux_rom_start demux.rom text\n");
#endif

    fprintf(stdout, "\n");
    
    /* rom version */
    fprintf(stdout, "# rom version is the date on which the ROM image is generated.\n");
    fprintf(stdout, "[romversion]\n%08lx\n\n", getVersion());

    /* rom size */
    fprintf(stdout, "# rom size is the amount of memory (in Kilobytes) of one EPROM bank.\n");
    fprintf(stdout, "[romsize]\n%dk\n\n", romsize);

    /* divisor */
    fprintf(stdout, "# divisor is reserved for further extension.\n");
    fprintf(stdout, "[divisor]\n\n");

    /* status */
    fprintf(stdout, "# stat is reserved for further extension.\n");
    fprintf(stdout, "[stat]\n\n");

    /* organization */
    fprintf(stdout, "# organization is the number of EPROM banks. For now, only 1.\n");
    fprintf(stdout, "[organization]\n%d\n\n", organization);

    /* last address */
    fprintf(stdout, "[lastaddr]\n%lx\n\n", lastaddr[index]);

    /* output */
    fprintf(stdout, "# output is the file name of ROM image, e.g. bank30.rom\n\n");
    fprintf(stdout, "[output]\nbank30.rom\n\n");
    return 0;
}

long getVersion(void)
{
    long result = 0;
    char *ptr, version[20];
    time_t tmp;

    /* Get today's time */
    time(&tmp);
    strftime(version, 20, "%D", localtime(&tmp));

    ptr = version;
    while (*ptr) {
	if ((*ptr >= '0') && (*ptr <= '9')) 
	  result = (result << 4) | (*ptr - '0');
	ptr++;
    }
    return(result);
}