static int read_kickstart (struct zfile *f, uae_u8 *mem, int size, int dochecksum, int *cloanto_rom)
{
unsigned char buffer[20];
int i, j, cr = 0;
fprintf(stderr,"read_kickstart\n");
if (cloanto_rom)
*cloanto_rom = 0;
i = zfile_fread (buffer, 1, 11, f);
if (strncmp ((char *) buffer, "AMIROMTYPE1", 11) != 0) {
zfile_fseek (f, 0, SEEK_SET);
} else {
cr = 1;
}
if (cloanto_rom)
*cloanto_rom = cr;
i = zfile_fread (mem, 1, size, f);
if (i != 8192 && i != 65536 && i != 131072 && i != 262144 && i != 524288 && i != 524288 * 2 && i != 524288 * 4) {
gui_message ("Error while reading Kickstart ROM file.");
return 0;
}
if (i == size / 2)
memcpy (mem + size / 2, mem, size / 2);
if (cr) {
if (!decode_cloanto_rom (mem, size, i, 0))
return 0;
}
if (currprefs.cs_a1000ram) {
int off = 0;
a1000_bootrom = xcalloc (262144, 1);
while (off + i < 262144) {
memcpy (a1000_bootrom + off, kickmemory, i);
off += i;
}
memset (kickmemory, 0, kickmem_size);
a1000_handle_kickstart (1);
dochecksum = 0;
i = 524288;
}
zfile_fclose (f);
for (j = 0; j < 256 && i >= 262144; j++) {
if (!memcmp (mem + j, kickstring, strlen (kickstring) + 1))
break;
}
if (j == 256 || i < 262144)
dochecksum = 0;
if (dochecksum)
kickstart_checksum (mem, size);
return 1;
}
static int load_kickstart (void)
{
FILE *f = uae4all_rom_fopen(romfile, "rb");
if (f == NULL) {
#if defined(AMIGA)||defined(__POS__)
#define USE_UAE_ERSATZ "USE_UAE_ERSATZ"
if (!getenv (USE_UAE_ERSATZ)) {
write_log ("Using current ROM. (create ENV:%s to " "use uae's ROM replacement)\n", USE_UAE_ERSATZ);
memcpy (kickmemory, (char *) 0x1000000 - kickmem_size, kickmem_size);
kickstart_checksum (kickmemory, kickmem_size);
goto chk_sum;
}
#endif
return 0;
}
if (!read_kickstart (f, kickmemory, kickmem_size, 1, &cloanto_rom))
return 0;
return 1;
}
static int read_kickstart (FILE *f, uae_u8 *mem, int size, int dochecksum, int *cloanto_rom)
{
unsigned char buffer[20];
int i, cr = 0;
if (cloanto_rom)
*cloanto_rom = 0;
i = uae4all_rom_fread (buffer, 1, 11, f);
if (strncmp ((char *) buffer, "AMIROMTYPE1", 11) != 0) {
uae4all_rom_fseek (f, 0, SEEK_SET);
} else {
cr = 1;
}
i = uae4all_rom_fread (mem, 1, size, f);
if (i == 8192) {
a1000_bootrom = (uae_u8*)xmalloc (8192);
memcpy (a1000_bootrom, kickmemory, 8192);
a1000_handle_kickstart (1);
} else if (i == size / 2) {
memcpy (mem + size / 2, mem, i);
} else if (i != size) {
write_log ("Error while reading Kickstart.\n");
uae4all_rom_fclose (f);
return 0;
}
uae4all_rom_fclose (f);
if (cr)
decode_cloanto_rom (mem, size, i);
if (dochecksum && i >= 262144)
kickstart_checksum (mem, size);
if (cloanto_rom)
*cloanto_rom = cr;
return 1;
}
static int load_kickstart (void)
{
struct zfile *f = NULL;
int i;
fprintf(stderr,"load_kickstart\n");
if (currprefs.rom_crc32) {
for (i = 0;; i++) {
struct romlist *rl = romlist_from_idx (i, ROMTYPE_KICK, 1);
if (!rl)
break;
fprintf(stderr,"rom_crc32 trying idx %d\n",i);
if (rl->rd->crc32 == currprefs.rom_crc32)
{
f = zfile_open (rl->path, "rb");
break;
} else {
fprintf(stderr,"rom_crc32 %x != %x\n", rl->rd->crc32, currprefs.rom_crc32);
}
}
}
else
{
f = zfile_open (currprefs.romfile, "rb");
#ifdef __QNXNTO__
if(f)
{
fprintf(stderr,"romfile = %s\n", currprefs.romfile);
}
else
{ /* nothing to lose hunt for 1.2 or 1.3 A500 kickstart ... */
fprintf(stderr,"hunting for a kickstart ...\n");
for (i = 0;; i++) {
struct romlist *rl = romlist_from_idx (i, ROMTYPE_KICK, 1);
if (!rl)
break;
/* Since no crc32 was initally set and the romfile is null
* but we possibly have a match from pre-cached roms lets try
* kickstart 1.2 or 1.3 i.e A500 as last ditch attempt
*/
fprintf(stderr,"kickstart rev %d\n", rl->rd->rev);
if( (rl->rd->rev == 3) || (rl->rd->rev == 4) )
currprefs.rom_crc32 = rl->rd->crc32;
if (rl->rd->crc32 == currprefs.rom_crc32)
{
f = zfile_open (rl->path, "rb");
if(!f)
fprintf(stderr,"open failed for '%s'\n", rl->path);
else
goto readDaKick;
break;
}
}
}
#endif
}
/*
fprintf(stderr,"kick rom open '%s'\n", currprefs.romfile);
f = zfile_open( currprefs.romfile, "rb");
if(!f)
fprintf(stderr,"zFile_open failed to load %s %s\n". currprefs.romfile, strerror(errno) );
*/
if (f == NULL) {
fprintf(stderr,"\nmemory_init: kickstart failed to open %s\n", currprefs.romfile);
readDaKick:
#if defined (AMIGA)
#define USE_UAE_ERSATZ "USE_UAE_ERSATZ"
if (!getenv (USE_UAE_ERSATZ)) {
printf ("Using current ROM. (create ENV:%s to " "use uae's ROM replacement)\n", USE_UAE_ERSATZ);
memcpy (kickmemory, (char *) 0x1000000 - kickmem_size, kickmem_size);
kickstart_checksum (kickmemory, kickmem_size);
goto chk_sum;
}
#endif
return 0;
}
if (!read_kickstart (f, kickmemory, kickmem_size, 1, &cloanto_rom))
{
fprintf(stderr,"read_kickstart() error");
return 0;
}
#if defined (AMIGA)
chk_sum:
#endif
kickstart_version = (kickmemory[12] << 8) | kickmemory[13];
fprintf(stderr,"kickstart version %d\n", kickstart_version );
return 1;
}
