static void flash_write(uint32_t addr, uint8_t val, void *p)
{
flash_t *flash = (flash_t *)p;
int is_ami = ((romset == ROM_REVENGE) || (romset == ROM_PLATO) || (romset == ROM_ENDEAVOR));
int has_dmi = ((romset == ROM_430HX) || (romset == ROM_430VX) || (romset == ROM_430TX) || (romset == ROM_440FX) || (romset == ROM_KN97));
int is_bxb = ((romset == ROM_ACERV35N) || (romset == ROM_ACERV12LC));
#ifndef RELEASE_BUILD
pclog("flash_write : addr=%08x val=%02x command=%02x %04x:%08x\n", addr, val, flash->command, CS, pc);
#endif
switch (flash->command)
{
case CMD_ERASE_SETUP:
if (val == CMD_ERASE_CONFIRM)
{
#ifndef RELEASE_BUILD
pclog("flash_write: erase %05x\n", addr & 0x1ffff);
#endif
if (is_ami)
{
if ((addr & 0x1f000) == 0x0d000)
memset(&rom[0x0d000], 0xff, 0x1000);
if ((addr & 0x1f000) == 0x0c000)
memset(&rom[0x0c000], 0xff, 0x1000);
}
else
{
if (is_bxb)
{
if ((addr & 0x1f000) == 0x2000)
memset(&rom[0x2000], 0xff, 0x1000);
if ((addr & 0x1f000) == 0x3000)
memset(&rom[0x3000], 0xff, 0x1000);
if ((addr & 0x1f000) > 0x3fff)
{
memset(rom + 0x4000, 0xff, 0x1c000);
}
}
else
{
if (has_dmi)
{
if ((addr & 0x1f000) == 0x1c000)
memset(&rom[0x1c000], 0xff, 0x1000);
}
if ((addr & 0x1f000) == 0x1d000)
memset(&rom[0x1d000], 0xff, 0x1000);
if ((addr & 0x1f000) < 0x1c000)
{
memset(rom, 0xff, 0x1c000);
}
}
}
flash->status = 0x80;
}
flash->command = CMD_READ_STATUS;
break;
case CMD_PROGRAM_SETUP:
#ifndef RELEASE_BUILD
pclog("flash_write: program %05x %02x\n", addr & 0x1ffff, val);
#endif
if (is_ami)
{
if ((addr & 0x1e000) == 0xc000)
{
rom[addr & 0x1ffff] = val;
}
}
else
{
if (is_bxb)
{
if ((addr & 0x1f000) == 0x2000)
{
rom[addr & 0x1ffff] = val;
}
if ((addr & 0x1f000) == 0x3000)
{
rom[addr & 0x1ffff] = val;
}
}
else
{
if (has_dmi)
{
if ((addr & 0x1f000) == 0x1c000)
{
rom[addr & 0x1ffff] = val;
}
}
if ((addr & 0x1f000) == 0x1d000)
{
rom[addr & 0x1ffff] = val;
}
}
}
flash->command = CMD_READ_STATUS;
flash->status = 0x80;
break;
default:
flash->command = val;
switch (val)
{
case CMD_CLEAR_STATUS:
flash->status = 0x80;
break;
case CMD_IID:
case CMD_READ_STATUS:
mem_mapping_disable(&bios_mapping[0]);
mem_mapping_disable(&bios_mapping[1]);
mem_mapping_disable(&bios_mapping[2]);
mem_mapping_disable(&bios_mapping[3]);
mem_mapping_disable(&bios_mapping[4]);
mem_mapping_disable(&bios_mapping[5]);
mem_mapping_disable(&bios_mapping[6]);
mem_mapping_disable(&bios_mapping[7]);
mem_mapping_disable(&bios_high_mapping[0]);
mem_mapping_disable(&bios_high_mapping[1]);
mem_mapping_disable(&bios_high_mapping[2]);
mem_mapping_disable(&bios_high_mapping[3]);
mem_mapping_disable(&bios_high_mapping[4]);
mem_mapping_disable(&bios_high_mapping[5]);
mem_mapping_disable(&bios_high_mapping[6]);
mem_mapping_disable(&bios_high_mapping[7]);
mem_mapping_enable(&flash->read_mapping);
mem_mapping_enable(&ext_read_mapping);
break;
case CMD_READ_ARRAY:
if ((is_ami || is_bxb) || (romset == ROM_430HX) || (romset == ROM_430TX) || (romset == ROM_KN97))
{
mem_mapping_enable(&bios_mapping[0]);
mem_mapping_enable(&bios_mapping[1]);
mem_mapping_enable(&bios_mapping[2]);
mem_mapping_enable(&bios_mapping[3]);
}
else
{
mem_mapping_disable(&bios_mapping[0]);
mem_mapping_disable(&bios_mapping[1]);
mem_mapping_disable(&bios_mapping[2]);
mem_mapping_disable(&bios_mapping[3]);
}
mem_mapping_enable(&bios_mapping[4]);
mem_mapping_enable(&bios_mapping[5]);
mem_mapping_enable(&bios_mapping[6]);
mem_mapping_enable(&bios_mapping[7]);
if (!is_ami)
{
mem_mapping_enable(&bios_high_mapping[0]);
mem_mapping_enable(&bios_high_mapping[1]);
mem_mapping_enable(&bios_high_mapping[2]);
mem_mapping_enable(&bios_high_mapping[3]);
mem_mapping_enable(&bios_high_mapping[4]);
mem_mapping_enable(&bios_high_mapping[5]);
mem_mapping_enable(&bios_high_mapping[6]);
mem_mapping_enable(&bios_high_mapping[7]);
}
mem_mapping_disable(&flash->read_mapping);
mem_mapping_disable(&ext_read_mapping);
break;
}
}
}
static void flash_write(uint32_t addr, uint8_t val, void *p)
{
flash_t *flash = (flash_t *)p;
int q = ((romset == ROM_REVENGE) || (romset == ROM_ENDEAVOR));
// pclog("flash_write : addr=%08x val=%02x command=%02x %04x:%08x\n", addr, val, flash->command, CS, pc);
switch (flash->command)
{
case CMD_ERASE_SETUP:
if (val == CMD_ERASE_CONFIRM)
{
// pclog("flash_write: erase %05x\n", addr & 0x1ffff);
if (q)
{
if ((addr & 0x1f000) == 0x0d000)
memset(&rom[0x0d000], 0xff, 0x1000);
/* if ((addr & 0x1f000) == 0x0c000)
memset(&rom[0x0c000], 0xff, 0x1000); */
if ((addr & 0x1f000) < 0x0d000 || (addr & 0x1f000) >= 0x0e000)
{
memset(rom, 0xff, 0x0c000);
memset(&rom[0x0e000], 0xff, 0x12000);
}
}
else
{
if ((addr & 0x1f000) == 0x1d000)
memset(&rom[0x1d000], 0xff, 0x1000);
/* if ((addr & 0x1f000) == 0x1c000)
memset(&rom[0x1c000], 0xff, 0x1000); */
if ((addr & 0x1f000) < 0x1d000 || (addr & 0x1f000) >= 0x1e000)
{
memset(rom, 0xff, 0x1d000);
memset(&rom[0x1e000], 0xff, 0x2000);
}
}
flash->status = 0x80;
}
flash->command = CMD_READ_STATUS;
break;
case CMD_PROGRAM_SETUP:
case CMD_PROGRAM_ALT_SETUP:
// pclog("flash_write: program %05x %02x\n", addr & 0x1ffff, val);
if ((addr & 0x1e000) != 0x0e000)
rom[addr & 0x1ffff] = val;
flash->command = CMD_READ_STATUS;
flash->status = 0x80;
break;
default:
flash->command = val;
switch (val)
{
case CMD_CLEAR_STATUS:
flash->status = 0;
break;
case CMD_IID:
case CMD_READ_STATUS:
mem_mapping_disable(&bios_mapping[0]);
mem_mapping_disable(&bios_mapping[1]);
mem_mapping_disable(&bios_mapping[2]);
mem_mapping_disable(&bios_mapping[3]);
mem_mapping_disable(&bios_mapping[4]);
mem_mapping_disable(&bios_mapping[5]);
mem_mapping_disable(&bios_mapping[6]);
mem_mapping_disable(&bios_mapping[7]);
if (romset == ROM_440BX)
{
mem_mapping_disable(&bios_mapping[8]);
mem_mapping_disable(&bios_mapping[9]);
mem_mapping_disable(&bios_mapping[10]);
mem_mapping_disable(&bios_mapping[11]);
mem_mapping_disable(&bios_mapping[12]);
mem_mapping_disable(&bios_mapping[13]);
mem_mapping_disable(&bios_mapping[14]);
mem_mapping_disable(&bios_mapping[15]);
}
mem_mapping_enable(&flash->read_mapping);
break;
case CMD_READ_ARRAY:
mem_mapping_enable(&bios_mapping[0]);
mem_mapping_enable(&bios_mapping[1]);
mem_mapping_enable(&bios_mapping[2]);
mem_mapping_enable(&bios_mapping[3]);
mem_mapping_enable(&bios_mapping[4]);
mem_mapping_enable(&bios_mapping[5]);
mem_mapping_enable(&bios_mapping[6]);
mem_mapping_enable(&bios_mapping[7]);
if (romset == ROM_440BX)
{
mem_mapping_enable(&bios_mapping[8]);
mem_mapping_enable(&bios_mapping[9]);
mem_mapping_enable(&bios_mapping[10]);
mem_mapping_enable(&bios_mapping[11]);
mem_mapping_enable(&bios_mapping[12]);
mem_mapping_enable(&bios_mapping[13]);
mem_mapping_enable(&bios_mapping[14]);
mem_mapping_enable(&bios_mapping[15]);
}
mem_mapping_disable(&flash->read_mapping);
break;
}
}
}
void *intel_flash_init()
{
FILE *f;
flash_t *flash = malloc(sizeof(flash_t));
int is_ami = ((romset == ROM_REVENGE) || (romset == ROM_PLATO) || (romset == ROM_ENDEAVOR));
int has_dmi = ((romset == ROM_430HX) || (romset == ROM_430VX) || (romset == ROM_430TX) || (romset == ROM_440FX) || (romset == ROM_KN97));
int is_bxb = ((romset == ROM_ACERV35N) || (romset == ROM_ACERV12LC));
memset(flash, 0, sizeof(flash_t));
mem_mapping_add(&flash->read_mapping,
0xe0000,
0x20000,
flash_read, NULL, NULL,
NULL, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_add(&flash->write_mapping,
0xe0000,
0x20000,
NULL, NULL, NULL,
flash_write, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_add(&ext_read_mapping,
0xfffe0000,
0x20000,
flash_read, NULL, NULL,
NULL, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_add(&ext_write_mapping,
0xfffe0000,
0x20000,
NULL, NULL, NULL,
flash_write, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_disable(&flash->read_mapping);
mem_mapping_disable(&ext_read_mapping);
if (!is_ami)
{
/* Non-AMI BIOS'es talk to the flash in high RAM. */
if (romset != ROM_440FX)
{
mem_mapping_disable(&flash->write_mapping);
}
else
{
mem_mapping_set_addr(&flash->write_mapping, 0xf0000, 0x10000);
}
mem_mapping_enable(&ext_write_mapping);
}
else
{
/* AMI BIOS'es talk to the flash in low RAM. */
mem_mapping_enable(&flash->write_mapping);
mem_mapping_set_addr(&flash->write_mapping, 0xe0000, 0x20000);
mem_mapping_disable(&ext_write_mapping);
}
flash->command = CMD_READ_ARRAY;
flash->status = 0;
memset(&rom[is_ami ? 0xd000 : (is_bxb ? 0x2000 : 0x1d000)], 0xFF, 0x1000);
configure_path();
fn = (char *) malloc(255);
strcpy(fn, path);
strcat(fn, "escd.bin");
f = romfopen(fn, "rb");
if (f)
{
fread(&rom[is_ami ? 0xd000 : (is_bxb ? 0x2000 : 0x1d000)], 0x1000, 1, f);
fclose(f);
}
if (has_dmi || is_bxb)
{
strcpy(fn, path);
strcat(fn, "dmi.bin");
f = romfopen(fn, "rb");
if (f)
{
fread(&rom[is_bxb ? 0x3000 : 0x1c000], 0x1000, 1, f);
fclose(f);
}
}
closed = 0;
return flash;
}
void *intel_flash_init()
{
FILE *f;
flash_t *flash = malloc(sizeof(flash_t));
int q = ((romset == ROM_REVENGE) || (romset == ROM_ENDEAVOR));
memset(flash, 0, sizeof(flash_t));
/* if (romset == ROM_440BX)
{
mem_mapping_add(&flash->read_mapping,
0x80000,
0x20000,
flash_read, NULL, NULL,
NULL, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_add(&flash->write_mapping,
0x80000,
0x20000,
NULL, NULL, NULL,
flash_write, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
} */
mem_mapping_add(&flash->read_mapping,
0xe0000,
0x20000,
flash_read, NULL, NULL,
NULL, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_add(&flash->write_mapping,
0xe0000,
0x20000,
NULL, NULL, NULL,
flash_write, NULL, NULL,
NULL, MEM_MAPPING_EXTERNAL, (void *)flash);
mem_mapping_disable(&flash->read_mapping);
flash->command = CMD_READ_ARRAY;
flash->status = 0;
memset(&rom[q ? 0xd000 : 0x1d000], 0xFF, 0x1000);
configure_path();
fn = (char *) malloc(255);
/* strcpy(fn, path);
strcat(fn, "oemlogo.bin");
f = romfopen(fn, "rb");
if (f)
{
fread(&rom[0x1c000], 0x1000, 1, f);
fclose(f);
} */
strcpy(fn, path);
strcat(fn, "escd.bin");
f = romfopen(fn, "rb");
if (f)
{
fread(&rom[q ? 0xd000 : 0x1d000], 0x1000, 1, f);
fclose(f);
}
return flash;
}
