static void nmi_int_handler(void)
{
/* Non Maskable Interrupt -- remove interrupt event from queue */
remove_interrupt_event();
/* setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR */
g_cp0_regs[CP0_STATUS_REG] = (g_cp0_regs[CP0_STATUS_REG] & ~(CP0_STATUS_SR | CP0_STATUS_TS | UINT32_C(0x00080000))) | (CP0_STATUS_ERL | CP0_STATUS_BEV | CP0_STATUS_SR);
g_cp0_regs[CP0_CAUSE_REG] = 0x00000000;
/* simulate the soft reset code which would run from the PIF ROM */
pifbootrom_hle_execute(&g_dev);
/* clear all interrupts, reset interrupt counters back to 0 */
g_cp0_regs[CP0_COUNT_REG] = 0;
g_gs_vi_counter = 0;
init_interrupt();
g_dev.vi.delay = g_dev.vi.next_vi = 5000;
add_interrupt_event_count(VI_INT, g_dev.vi.next_vi);
/* clear the audio status register so that subsequent write_ai() calls will work properly */
g_dev.ai.regs[AI_STATUS_REG] = 0;
/* set ErrorEPC with the last instruction address */
g_cp0_regs[CP0_ERROREPC_REG] = PC->addr;
/* reset the r4300 internal state */
if (r4300emu != CORE_PURE_INTERPRETER)
{
/* clear all the compiled instruction blocks and re-initialize */
free_blocks();
init_blocks();
}
/* adjust ErrorEPC if we were in a delay slot, and clear the delay_slot and dyna_interp flags */
if(g_dev.r4300.delay_slot==1 || g_dev.r4300.delay_slot==3)
{
g_cp0_regs[CP0_ERROREPC_REG]-=4;
}
g_dev.r4300.delay_slot = 0;
dyna_interp = 0;
/* set next instruction address to reset vector */
last_addr = UINT32_C(0xa4000040);
generic_jump_to(UINT32_C(0xa4000040));
#ifdef NEW_DYNAREC
if (r4300emu == CORE_DYNAREC)
{
g_cp0_regs[CP0_ERROREPC_REG]=(pcaddr&~3)-(pcaddr&1)*4;
pcaddr = 0xa4000040;
pending_exception = 1;
invalidate_all_pages();
}
#endif
}
int savestates_load_m64p(const unsigned char *data, size_t size)
{
unsigned char header[44];
int version;
int i;
unsigned char *curr = (unsigned char*)data; // < HACK
char queue[1024];
/* Read and check Mupen64Plus magic number. */
if(strncmp((char *)curr, savestate_magic, 8)!=0)
{
return 0;
}
curr += 8;
version = *curr++;
version = (version << 8) | *curr++;
version = (version << 8) | *curr++;
version = (version << 8) | *curr++;
if(version != 0x00010000)
{
return 0;
}
if(memcmp((char *)curr, ROM_SETTINGS.MD5, 32))
{
return 0;
}
curr += 32;
// Parse savestate
rdram_register.rdram_config = GETDATA(curr, unsigned int);
rdram_register.rdram_device_id = GETDATA(curr, unsigned int);
rdram_register.rdram_delay = GETDATA(curr, unsigned int);
rdram_register.rdram_mode = GETDATA(curr, unsigned int);
rdram_register.rdram_ref_interval = GETDATA(curr, unsigned int);
rdram_register.rdram_ref_row = GETDATA(curr, unsigned int);
rdram_register.rdram_ras_interval = GETDATA(curr, unsigned int);
rdram_register.rdram_min_interval = GETDATA(curr, unsigned int);
rdram_register.rdram_addr_select = GETDATA(curr, unsigned int);
rdram_register.rdram_device_manuf = GETDATA(curr, unsigned int);
MI_register.w_mi_init_mode_reg = GETDATA(curr, unsigned int);
MI_register.mi_init_mode_reg = GETDATA(curr, unsigned int);
curr += 4; // Duplicate MI init mode flags from old implementation
MI_register.mi_version_reg = GETDATA(curr, unsigned int);
MI_register.mi_intr_reg = GETDATA(curr, unsigned int);
MI_register.mi_intr_mask_reg = GETDATA(curr, unsigned int);
MI_register.w_mi_intr_mask_reg = GETDATA(curr, unsigned int);
curr += 8; // Duplicated MI intr flags and padding from old implementation
pi_register.pi_dram_addr_reg = GETDATA(curr, unsigned int);
pi_register.pi_cart_addr_reg = GETDATA(curr, unsigned int);
pi_register.pi_rd_len_reg = GETDATA(curr, unsigned int);
pi_register.pi_wr_len_reg = GETDATA(curr, unsigned int);
pi_register.read_pi_status_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom1_lat_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom1_pwd_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom1_pgs_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom1_rls_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom2_lat_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom2_pwd_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom2_pgs_reg = GETDATA(curr, unsigned int);
pi_register.pi_bsd_dom2_rls_reg = GETDATA(curr, unsigned int);
sp_register.sp_mem_addr_reg = GETDATA(curr, unsigned int);
sp_register.sp_dram_addr_reg = GETDATA(curr, unsigned int);
sp_register.sp_rd_len_reg = GETDATA(curr, unsigned int);
sp_register.sp_wr_len_reg = GETDATA(curr, unsigned int);
sp_register.w_sp_status_reg = GETDATA(curr, unsigned int);
sp_register.sp_status_reg = GETDATA(curr, unsigned int);
curr += 16; // Duplicated SP flags and padding from old implementation
sp_register.sp_dma_full_reg = GETDATA(curr, unsigned int);
sp_register.sp_dma_busy_reg = GETDATA(curr, unsigned int);
sp_register.sp_semaphore_reg = GETDATA(curr, unsigned int);
rsp_register.rsp_pc = GETDATA(curr, unsigned int);
rsp_register.rsp_ibist = GETDATA(curr, unsigned int);
si_register.si_dram_addr = GETDATA(curr, unsigned int);
si_register.si_pif_addr_rd64b = GETDATA(curr, unsigned int);
si_register.si_pif_addr_wr64b = GETDATA(curr, unsigned int);
si_register.si_stat = GETDATA(curr, unsigned int);
vi_register.vi_status = GETDATA(curr, unsigned int);
vi_register.vi_origin = GETDATA(curr, unsigned int);
vi_register.vi_width = GETDATA(curr, unsigned int);
vi_register.vi_v_intr = GETDATA(curr, unsigned int);
vi_register.vi_current = GETDATA(curr, unsigned int);
vi_register.vi_burst = GETDATA(curr, unsigned int);
vi_register.vi_v_sync = GETDATA(curr, unsigned int);
vi_register.vi_h_sync = GETDATA(curr, unsigned int);
vi_register.vi_leap = GETDATA(curr, unsigned int);
vi_register.vi_h_start = GETDATA(curr, unsigned int);
vi_register.vi_v_start = GETDATA(curr, unsigned int);
vi_register.vi_v_burst = GETDATA(curr, unsigned int);
vi_register.vi_x_scale = GETDATA(curr, unsigned int);
vi_register.vi_y_scale = GETDATA(curr, unsigned int);
vi_register.vi_delay = GETDATA(curr, unsigned int);
update_vi_status(vi_register.vi_status);
update_vi_width(vi_register.vi_width);
ri_register.ri_mode = GETDATA(curr, unsigned int);
ri_register.ri_config = GETDATA(curr, unsigned int);
ri_register.ri_current_load = GETDATA(curr, unsigned int);
ri_register.ri_select = GETDATA(curr, unsigned int);
ri_register.ri_refresh = GETDATA(curr, unsigned int);
ri_register.ri_latency = GETDATA(curr, unsigned int);
ri_register.ri_error = GETDATA(curr, unsigned int);
ri_register.ri_werror = GETDATA(curr, unsigned int);
ai_register.ai_dram_addr = GETDATA(curr, unsigned int);
ai_register.ai_len = GETDATA(curr, unsigned int);
ai_register.ai_control = GETDATA(curr, unsigned int);
ai_register.ai_status = GETDATA(curr, unsigned int);
ai_register.ai_dacrate = GETDATA(curr, unsigned int);
ai_register.ai_bitrate = GETDATA(curr, unsigned int);
ai_register.next_delay = GETDATA(curr, unsigned int);
ai_register.next_len = GETDATA(curr, unsigned int);
ai_register.current_delay = GETDATA(curr, unsigned int);
ai_register.current_len = GETDATA(curr, unsigned int);
update_ai_dacrate(ai_register.ai_dacrate);
dpc_register.dpc_start = GETDATA(curr, unsigned int);
dpc_register.dpc_end = GETDATA(curr, unsigned int);
dpc_register.dpc_current = GETDATA(curr, unsigned int);
dpc_register.w_dpc_status = GETDATA(curr, unsigned int);
dpc_register.dpc_status = GETDATA(curr, unsigned int);
curr += 12; // Duplicated DPC flags and padding from old implementation
dpc_register.dpc_clock = GETDATA(curr, unsigned int);
dpc_register.dpc_bufbusy = GETDATA(curr, unsigned int);
dpc_register.dpc_pipebusy = GETDATA(curr, unsigned int);
dpc_register.dpc_tmem = GETDATA(curr, unsigned int);
dps_register.dps_tbist = GETDATA(curr, unsigned int);
dps_register.dps_test_mode = GETDATA(curr, unsigned int);
dps_register.dps_buftest_addr = GETDATA(curr, unsigned int);
dps_register.dps_buftest_data = GETDATA(curr, unsigned int);
COPYARRAY(rdram, curr, unsigned int, 0x800000/4);
COPYARRAY(SP_DMEM, curr, unsigned int, 0x1000/4);
COPYARRAY(SP_IMEM, curr, unsigned int, 0x1000/4);
COPYARRAY(PIF_RAM, curr, unsigned char, 0x40);
flashram_info.use_flashram = GETDATA(curr, int);
flashram_info.mode = GETDATA(curr, int);
flashram_info.status = GETDATA(curr, unsigned long long);
flashram_info.erase_offset = GETDATA(curr, unsigned int);
flashram_info.write_pointer = GETDATA(curr, unsigned int);
COPYARRAY(tlb_LUT_r, curr, unsigned int, 0x100000);
COPYARRAY(tlb_LUT_w, curr, unsigned int, 0x100000);
llbit = GETDATA(curr, unsigned int);
COPYARRAY(reg, curr, long long int, 32);
COPYARRAY(reg_cop0, curr, unsigned int, 32);
set_fpr_pointers(Status); // Status is reg_cop0[12]
lo = GETDATA(curr, long long int);
hi = GETDATA(curr, long long int);
COPYARRAY(reg_cop1_fgr_64, curr, long long int, 32);
if ((Status & 0x04000000) == 0) // 32-bit FPR mode requires data shuffling because 64-bit layout is always stored in savestate file
shuffle_fpr_data(0x04000000, 0);
FCR0 = GETDATA(curr, int);
FCR31 = GETDATA(curr, int);
for (i = 0; i < 32; i++)
{
tlb_e[i].mask = GETDATA(curr, short);
curr += 2;
tlb_e[i].vpn2 = GETDATA(curr, int);
tlb_e[i].g = GETDATA(curr, char);
tlb_e[i].asid = GETDATA(curr, unsigned char);
curr += 2;
tlb_e[i].pfn_even = GETDATA(curr, int);
tlb_e[i].c_even = GETDATA(curr, char);
tlb_e[i].d_even = GETDATA(curr, char);
tlb_e[i].v_even = GETDATA(curr, char);
curr++;
tlb_e[i].pfn_odd = GETDATA(curr, int);
tlb_e[i].c_odd = GETDATA(curr, char);
tlb_e[i].d_odd = GETDATA(curr, char);
tlb_e[i].v_odd = GETDATA(curr, char);
tlb_e[i].r = GETDATA(curr, char);
tlb_e[i].start_even = GETDATA(curr, unsigned int);
tlb_e[i].end_even = GETDATA(curr, unsigned int);
tlb_e[i].phys_even = GETDATA(curr, unsigned int);
tlb_e[i].start_odd = GETDATA(curr, unsigned int);
tlb_e[i].end_odd = GETDATA(curr, unsigned int);
tlb_e[i].phys_odd = GETDATA(curr, unsigned int);
}
#ifdef NEW_DYNAREC
if (r4300emu == CORE_DYNAREC) {
pcaddr = GETDATA(curr, unsigned int);
pending_exception = 1;
invalidate_all_pages();
} else {