// -----------------------------------------------------------------------
// software (MCL) and hardware (CP 'CLEAR') reset
void cpu_reset(int hw)
{
if (hw) {
for (int i=0 ; i<R_MAX ; i++) {
regs[i] = 0;
}
} else {
regs[0] = 0;
regs[R_SR] = 0;
}
int_update_mask(0);
int_clear_all();
cpu_mod_off();
mem_reset();
// TODO: move this before CPU clear routine
// I/O reset should return when we're sure that I/O won't change CPU state (backlogged interrupts, memory writes, ...)
// this needs MX reset interrupt to become async
io_reset();
// TODO: state = STOP, WAIT=0, jakieś inne rejestry?
// call even if logging is disabled - user may enable it later
// and we still want to know if we're running a known OS
log_check_os();
log_reset_process();
log_intlevel_reset();
log_syscall_reset();
}
/******************************************************************************
** Function : console_reset
**
** Objective : Reset the system
**
** Parameters : type - machine type 5200, 800, XL/XE
** system_type - PAL or NTSC
** ram - amount of memory to emulate
** freq - frequency to run Pokey Sound at
**
** return : NONE
**
******************************************************************************/
void console_reset ( e_machine_type type, int system_type, int ram, int freq) {
console.machine_type = type;
console.ram_size = ram;
mem_reset ( );
antic_init ();
gtia_init ( system_type );
pokey_init ( freq );
pia_init ();
sio_reset ();
reset_6502 ();
if ( system_type == PAL ) {
console.frames_per_sec = 50;
console.scanlines = 312;
}
else {
console.frames_per_sec = 60;
console.scanlines = 262;
}
console.option_key_pressed = 0;
console.start_key_pressed = 0;
if ( !console.basic_enable && (console.machine_type == MACHINE_TYPE_XL) )
console.option_key_pressed = 1;
if ( console.mapping == CART_CASSETTE ) {
console.start_key_pressed = 2;
}
} /* end console_reset */
/* CBM-II-specific initialization. */
void machine_specific_reset(void)
{
ciacore_reset(machine_context.cia1);
tpicore_reset(machine_context.tpi1);
tpicore_reset(machine_context.tpi2);
acia1_reset();
sid_reset();
if (!cbm2_isC500) {
crtc_reset();
} else {
c500_powerline_clk = maincpu_clk + C500_POWERLINE_CYCLES_PER_IRQ;
alarm_set(c500_powerline_clk_alarm, c500_powerline_clk);
vicii_reset();
}
printer_reset();
rs232drv_reset();
drive_reset();
datasette_reset();
mem_reset();
}
main(int argc, char **argv)
{
int i, min, max;
mem_reset();
for (i=1; i < argc; i++) {
get_range(argv[i], &min, &max);
mem_skip(min, max);
}
print_mem();
}
void kernel_init() {
notQuit = 1;
tid_counter = 0;
install_interrupt_handlers();
mem_reset();
scheduler_init();
for (int i = 0; i < 64; i++) {
eventWaitingTask[i] = (TaskDescriptor*) NULL;
}
kernel_createtask((int*)&idleTid, LOWEST_PRIORITY, (int)idle_task, 0);
// Clear Timer4
*(volatile unsigned int*)(0x80810064) &= ~0x100;
*(volatile unsigned int*)(0x80810064) |= 0x100;
asm_enable_cache();
}
void reinit_emulation() {
printf("\n\n -- REINITIALISATION --\n\n\n");
mem_reset();
ic = 0,
pc = 0,
interrupt_period = 0,
state_register = 32,
// stack is into the area of memory between 0x100 and 0x1ff,
// starts at 1ff (going downwards)
stack_pointer = 0x1FF,
// Index registers
x_reg = 0,
y_reg = 0;
//accumulator
acc = 0;
}
/* CBM-II-specific initialization. */
void machine_specific_reset(void)
{
ciacore_reset(machine_context.cia1);
tpicore_reset(machine_context.tpi1);
tpicore_reset(machine_context.tpi2);
acia1_reset();
sid_reset();
crtc_reset();
printer_reset();
rs232drv_reset();
drive_reset();
datasette_reset();
mem_reset();
}
void SIM_start(void){
sky_pref_t *pref;
/* get the current preference for simulator */
pref = get_skyeye_pref();
skyeye_config_t* config = get_current_config();
if(pref->conf_filename)
skyeye_read_config(pref->conf_filename);
if(config->arch == NULL){
skyeye_log(Error_log, __FUNCTION__, "Should provide valid arch option in your config file.\n");
return;
}
generic_arch_t *arch_instance = get_arch_instance(config->arch->arch_name);
if(config->mach == NULL){
skyeye_log(Error_log, __FUNCTION__, "Should provide valid mach option in your config file.\n");
return;
}
arch_instance->init();
/* reset all the memory */
mem_reset();
config->mach->mach_init(arch_instance, config->mach);
/* reset current arch_instanc */
arch_instance->reset();
/* reset all the values of mach */
io_reset(arch_instance);
if(pref->exec_file){
exception_t ret;
/*
* If no relocation is indicated, we will load elf file by
* virtual address
*/
if((((~pref->exec_load_mask) & pref->exec_load_base) == 0x0) &&
(arch_instance->mmu_write != NULL))
ret = load_elf(pref->exec_file, Virt_addr);
else
ret = load_elf(pref->exec_file, Phys_addr);
}
/* set pc from config */
generic_address_t pc = (config->start_address & pref->exec_load_mask)|pref->exec_load_base;
skyeye_log(Info_log, __FUNCTION__, "Set PC to the address 0x%x\n", pc);
arch_instance->set_pc(pc);
/* Call bootmach callback */
exec_callback(Bootmach_callback, arch_instance);
pthread_t id;
create_thread(skyeye_loop, arch_instance, &id);
/*
* At this time, if we set conf file, then we parse it
* Or do it later.
*/
/*
if(pref->conf_filename)
skyeye_read_config(pref->conf_filename);
*/
#if 0
else{
/* try to run in batch mode */
if(skyeye_read_config(pref->conf_filename) == No_exp){
/**
* Initialize all the gloval variable
*/
static int
init ()
{
static int done = 0;
int ret = -1;
if (!done) {
done = 1;
/*some option should init before read config. e.g. uart option. */
#if 0 /*move to common/ctrl related function */
initialize_all_devices ();
initialize_all_arch ();
/* parse skyeye.conf to set skyeye_config */
skyeye_option_init (&skyeye_config);
if((ret = skyeye_read_config()) < 0)
return ret;
#endif
#if 0
/* we should check if some members of skyeye_config is initialized */
if(!skyeye_config.arch){
fprintf(stderr, "arch is not initialization or you have not provide arch option in skyeye.conf.\n");
skyeye_exit(-1);
}
if(!skyeye_config.mach){
fprintf(stderr, "mach is not initialization or you have not provide mach option in skyeye.conf.\n");
skyeye_exit(-1);
}
#endif
#if 0 /*move to module loading stage */
/* initialize register type for gdb server */
if((ret = init_register_type()) < 0)
return ret;/* Failed to initialize register type */
#endif
#if 0
arch_instance =
(generic_arch_t *) malloc (sizeof (generic_arch_t));
if (!arch_instance) {
printf ("malloc error!\n");
return -1;
}
arch_instance->init = skyeye_config.arch->init;
arch_instance->reset = skyeye_config.arch->reset;
arch_instance->step_once = skyeye_config.arch->step_once;
arch_instance->set_pc = skyeye_config.arch->set_pc;
arch_instance->get_pc = skyeye_config.arch->get_pc;
arch_instance->ICE_write_byte = skyeye_config.arch->ICE_write_byte;
arch_instance->ICE_read_byte = skyeye_config.arch->ICE_read_byte;
arch_instance->init ();
arch_instance->reset ();
arch_instance->big_endian = Big_endian;
#endif
#if 0 /* move to module loading stage */
skyeye_uart_converter_setup();
#endif
#if 0
if(skyeye_config.code_cov.prof_on)
cov_init(skyeye_config.code_cov.start, skyeye_config.code_cov.end);
#endif
#if 0
mem_reset(); /* initialize of memory module */
#endif
}
return 1;
}
