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/*
* Gravis UltraSound memory dumper
* Copyright (c) 1996 by Jaroslav Kysela (Perex soft)
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <libgus.h>
#define BLOCK_SIZE (8*1024)
static void help( void )
{
fprintf( stderr, "Usage: memdump [-c <card #>] [-o]\n" );
fprintf( stderr, "\n" );
fprintf( stderr, " -c <card #> select card # (1-%i)\n", gus_cards() );
fprintf( stderr, " -o dump ROM\n" );
fprintf( stderr, "\n" );
}
int main( int argc, char *argv[] )
{
gus_info_t info;
struct GUS_STRU_MEMORY_DUMP dump;
char *block;
int card = 0, rom = 0, size;
unsigned int pos, page, address, page_size;
while ( 1 )
{
int c;
if ( ( c = getopt( argc, argv, "c:ho" ) ) < 0 ) break;
switch ( c ) {
case '?':
case 'h':
help();
exit( 0 );
case 'c':
card = atoi( optarg );
if ( card < 1 || card > gus_cards() )
{
help();
exit( 0 );
}
card--;
break;
case 'o':
rom = 1;
break;
}
}
block = (char *)malloc( BLOCK_SIZE );
if ( !block )
{
fprintf( stderr, "out of memory\n" );
exit( 0 );
}
if ( gus_open( card, 512, 0 ) < 0 )
{
perror( "gus_open" );
exit( 0 );
}
gus_info( &info, 1 );
size = rom ? info.memory_rom_size * info.memory_rom_banks : info.memory_size;
address = pos = 0;
for ( page = 0; page < 4; page++ )
{
if ( rom && !(info.memory_rom_present & (1 << page)) ) continue;
address = rom ? page * 4L * 1024L * 1024L : info.memory_banks[ page ].address;
page_size = rom ? info.memory_rom_size : info.memory_banks[ page ].size;
while ( page_size > 0 )
{
fprintf( stderr, "\rdump %s: %i/%i ", rom ? "ROM" : "RAM", pos, size );
dump.flags = rom ? GUS_MEMORY_DUMP_ROM : GUS_MEMORY_DUMP_RAM;
dump.address = address;
dump.size = BLOCK_SIZE;
dump.dump = block;
if ( gus_memory_dump( &dump ) < 0 )
{
perror( "gus_memory_dump" );
gus_close( card );
exit( 0 );
}
fwrite( block, BLOCK_SIZE, 1, stdout );
page_size -= BLOCK_SIZE;
address += BLOCK_SIZE;
pos += BLOCK_SIZE;
}
}
fprintf( stderr, "\rdump %s: done %i bytes\n", rom ? "ROM" : "RAM", size );
gus_close( card );
free( block );
return 0;
}
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