static void dynarec_setup_code(void) { // The dynarec jumps here after we call dyna_start and it prepares // Here we need to prepare the initial code block and jump to it jump_to(0xa4000040); // Prevent segfault on failed jump_to if (!actual->block || !actual->code) dyna_stop(); }
void dyna_jump() { if (stop == 1) { dyna_stop(); return; } if (PC->reg_cache_infos.need_map) *return_address = (unsigned long) (PC->reg_cache_infos.jump_wrapper); else *return_address = (unsigned long) (actual->code + PC->local_addr); }
void gen_interupt() { if(!__emulation_run) stop = 1; if (stop == 1) { vi_counter = 0; // debug dyna_stop(); } if (savestates_job & LOADSTATE) { savestates_load(); savestates_job &= ~LOADSTATE; return; } if (skip_jump) { if (q->count > Count || (Count - q->count) < 0x80000000) next_interupt = q->count; else next_interupt = 0; if (interpcore) { interp_addr = skip_jump; last_addr = interp_addr; } else { unsigned int dest = skip_jump; skip_jump=0; jump_to(dest); last_addr = PC->addr; } skip_jump=0; return; } switch(q->type) { case SPECIAL_INT: if (Count > 0x10000000) return; remove_interupt_event(); add_interupt_event_count(SPECIAL_INT, 0); return; break; case VI_INT: if(vi_counter < 60) { if (vi_counter == 0) cheat_apply_cheats(ENTRY_BOOT); vi_counter++; } else { cheat_apply_cheats(ENTRY_VI); } updateScreen(); #ifdef WITH_LIRC lircCheckInput(); #endif SDL_PumpEvents(); refresh_stat(); // if paused, poll for input events if(rompause) { osd_render(); // draw Paused message in case updateScreen didn't do it SDL_GL_SwapBuffers(); while(rompause) { #ifdef __WIN32__ Sleep(10); #else struct timespec ts; ts.tv_sec = 0; ts.tv_nsec = 10000000; nanosleep(&ts, NULL); // sleep for 10 milliseconds #endif SDL_PumpEvents(); #ifdef WITH_LIRC lircCheckInput(); #endif //WITH_LIRC } } new_vi(); if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000; else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500); next_vi += vi_register.vi_delay; if (vi_register.vi_status&0x40) vi_field=1-vi_field; else vi_field=0; remove_interupt_event(); add_interupt_event_count(VI_INT, next_vi); MI_register.mi_intr_reg |= 0x08; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case COMPARE_INT: remove_interupt_event(); Count+=2; add_interupt_event_count(COMPARE_INT, Compare); Count-=2; Cause = (Cause | 0x8000) & 0xFFFFFF83; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case CHECK_INT: remove_interupt_event(); break; case SI_INT: #ifdef WITH_LIRC lircCheckInput(); #endif //WITH_LIRC SDL_PumpEvents(); PIF_RAMb[0x3F] = 0x0; remove_interupt_event(); MI_register.mi_intr_reg |= 0x02; si_register.si_stat |= 0x1000; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case PI_INT: remove_interupt_event(); MI_register.mi_intr_reg |= 0x10; pi_register.read_pi_status_reg &= ~3; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case AI_INT: if (ai_register.ai_status & 0x80000000) // full { unsigned int ai_event = get_event(AI_INT); remove_interupt_event(); ai_register.ai_status &= ~0x80000000; ai_register.current_delay = ai_register.next_delay; ai_register.current_len = ai_register.next_len; add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay); MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; } else { remove_interupt_event(); ai_register.ai_status &= ~0x40000000; //------- MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; } break; case SP_INT: remove_interupt_event(); sp_register.sp_status_reg |= 0x303; //sp_register.signal1 = 1; sp_register.signal2 = 1; sp_register.broke = 1; sp_register.halt = 1; if (!sp_register.intr_break) return; MI_register.mi_intr_reg |= 0x01; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case DP_INT: remove_interupt_event(); dpc_register.dpc_status &= ~2; dpc_register.dpc_status |= 0x81; MI_register.mi_intr_reg |= 0x20; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case HW2_INT: // Hardware Interrupt 2 -- remove interrupt event from queue remove_interupt_event(); // setup r4300 Status flags: reset TS, and SR, set IM2 Status = (Status & ~0x00380000) | 0x1000; Cause = (Cause | 0x1000) & 0xFFFFFF83; /* the exception_general() call below will jump to the interrupt vector (0x80000180) and setup the * interpreter or dynarec */ break; case NMI_INT: // Non Maskable Interrupt -- remove interrupt event from queue remove_interupt_event(); // setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR Status = (Status & ~0x00380000) | 0x00500004; Cause = 0x00000000; // simulate the soft reset code which would run from the PIF ROM r4300_reset_soft(); // clear all interrupts, reset interrupt counters back to 0 Count = 0; vi_counter = 0; init_interupt(); // clear the audio status register so that subsequent write_ai() calls will work properly ai_register.ai_status = 0; // reset the r4300 internal state if (interpcore) /* pure interpreter only */ { // set ErrorEPC with last instruction address and set next instruction address to reset vector ErrorEPC = interp_addr; interp_addr = 0xa4000040; last_addr = interp_addr; } else /* decode-cached interpreter or dynamic recompiler */ { int i; // clear all the compiled instruction blocks for (i=0; i<0x100000; i++) { if (blocks[i]) { if (blocks[i]->block) { free(blocks[i]->block); blocks[i]->block = NULL; } if (blocks[i]->code) { free(blocks[i]->code); blocks[i]->code = NULL; } if (blocks[i]->jumps_table) { free(blocks[i]->jumps_table); blocks[i]->jumps_table = NULL; } if (blocks[i]->riprel_table) { free(blocks[i]->riprel_table); blocks[i]->riprel_table = NULL; } free(blocks[i]); blocks[i] = NULL; } } // re-initialize init_blocks(); // jump to the start ErrorEPC = PC->addr; jump_to(0xa4000040); last_addr = PC->addr; } // adjust ErrorEPC if we were in a delay slot, and clear the delay_slot and dyna_interp flags if(delay_slot==1 || delay_slot==3) { ErrorEPC-=4; } delay_slot = 0; dyna_interp = 0; return; default: remove_interupt_event(); break; } #ifdef NEW_DYNAREC EPC = pcaddr; pcaddr = 0x80000180; Status |= 2; Cause &= 0x7FFFFFFF; pending_exception=1; #else exception_general(); #endif if (savestates_job & SAVESTATE) { savestates_save(); savestates_job &= ~SAVESTATE; } }
void gen_interupt(void) { if (stop == 1) { vi_counter = 0; // debug dyna_stop(); } if (!interupt_unsafe_state) { if (savestates_get_job() == savestates_job_load) { savestates_load(); return; } if (reset_hard_job) { reset_hard(); reset_hard_job = 0; return; } } if (skip_jump) { unsigned int dest = skip_jump; skip_jump = 0; if (q->count > Count || (Count - q->count) < 0x80000000) next_interupt = q->count; else next_interupt = 0; last_addr = dest; generic_jump_to(dest); return; } switch(q->type) { case SPECIAL_INT: if (Count > 0x10000000) return; remove_interupt_event(); add_interupt_event_count(SPECIAL_INT, 0); return; break; case VI_INT: if(vi_counter < 60) { if (vi_counter == 0) cheat_apply_cheats(ENTRY_BOOT); vi_counter++; } else { cheat_apply_cheats(ENTRY_VI); } gfx.updateScreen(); #ifdef WITH_LIRC lircCheckInput(); #endif SDL_PumpEvents(); refresh_stat(); // if paused, poll for input events if(rompause) { osd_render(); // draw Paused message in case gfx.updateScreen didn't do it VidExt_GL_SwapBuffers(); while(rompause) { SDL_Delay(10); SDL_PumpEvents(); #ifdef WITH_LIRC lircCheckInput(); #endif //WITH_LIRC } } new_vi(); if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000; else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500); next_vi += vi_register.vi_delay; if (vi_register.vi_status&0x40) vi_field=1-vi_field; else vi_field=0; remove_interupt_event(); add_interupt_event_count(VI_INT, next_vi); MI_register.mi_intr_reg |= 0x08; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case COMPARE_INT: remove_interupt_event(); Count+=count_per_op; add_interupt_event_count(COMPARE_INT, Compare); Count-=count_per_op; Cause = (Cause | 0x8000) & 0xFFFFFF83; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case CHECK_INT: remove_interupt_event(); break; case SI_INT: #ifdef WITH_LIRC lircCheckInput(); #endif //WITH_LIRC SDL_PumpEvents(); PIF_RAMb[0x3F] = 0x0; remove_interupt_event(); MI_register.mi_intr_reg |= 0x02; si_register.si_stat |= 0x1000; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case PI_INT: remove_interupt_event(); MI_register.mi_intr_reg |= 0x10; pi_register.read_pi_status_reg &= ~3; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case AI_INT: if (ai_register.ai_status & 0x80000000) // full { unsigned int ai_event = get_event(AI_INT); remove_interupt_event(); ai_register.ai_status &= ~0x80000000; ai_register.current_delay = ai_register.next_delay; ai_register.current_len = ai_register.next_len; add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay); MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; } else { remove_interupt_event(); ai_register.ai_status &= ~0x40000000; //------- MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; } break; case SP_INT: remove_interupt_event(); sp_register.sp_status_reg |= 0x203; // sp_register.sp_status_reg |= 0x303; if (!(sp_register.sp_status_reg & 0x40)) return; // !intr_on_break MI_register.mi_intr_reg |= 0x01; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case DP_INT: remove_interupt_event(); dpc_register.dpc_status &= ~2; dpc_register.dpc_status |= 0x81; MI_register.mi_intr_reg |= 0x20; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case HW2_INT: // Hardware Interrupt 2 -- remove interrupt event from queue remove_interupt_event(); // setup r4300 Status flags: reset TS, and SR, set IM2 Status = (Status & ~0x00380000) | 0x1000; Cause = (Cause | 0x1000) & 0xFFFFFF83; /* the exception_general() call below will jump to the interrupt vector (0x80000180) and setup the * interpreter or dynarec */ break; case NMI_INT: // Non Maskable Interrupt -- remove interrupt event from queue remove_interupt_event(); // setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR Status = (Status & ~0x00380000) | 0x00500004; Cause = 0x00000000; // simulate the soft reset code which would run from the PIF ROM r4300_reset_soft(); // clear all interrupts, reset interrupt counters back to 0 Count = 0; vi_counter = 0; init_interupt(); // clear the audio status register so that subsequent write_ai() calls will work properly ai_register.ai_status = 0; // set ErrorEPC with the last instruction address ErrorEPC = 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(delay_slot==1 || delay_slot==3) { ErrorEPC-=4; } delay_slot = 0; dyna_interp = 0; // set next instruction address to reset vector last_addr = 0xa4000040; generic_jump_to(0xa4000040); return; default: DebugMessage(M64MSG_ERROR, "Unknown interrupt queue event type %.8X.", q->type); remove_interupt_event(); break; } #ifdef NEW_DYNAREC if (r4300emu == CORE_DYNAREC) { EPC = pcaddr; pcaddr = 0x80000180; Status |= 2; Cause &= 0x7FFFFFFF; pending_exception=1; } else { exception_general(); } #else exception_general(); #endif if (!interupt_unsafe_state) { if (savestates_get_job() == savestates_job_save) { savestates_save(); return; } } }
void gen_interupt() { //if (!skip_jump) //printf("interrupt:%x (%x)\n", q->type, Count); if (stop == 1) dyna_stop(); if (savestates_job & LOADSTATE) { savestates_load(); savestates_job &= ~LOADSTATE; return; } if (skip_jump /*&& !dynacore*/) { if (q->count > Count || (Count - q->count) < 0x80000000) next_interupt = q->count; else next_interupt = 0; if (interpcore) { /*if ((Cause & (2 << 2)) && (Cause & 0x80000000)) interp_addr = skip_jump+4; else*/ interp_addr = skip_jump; last_addr = interp_addr; } else { /*if ((Cause & (2 << 2)) && (Cause & 0x80000000)) jump_to(skip_jump+4); else*/ unsigned long dest = skip_jump; skip_jump=0; jump_to(dest); last_addr = PC->addr; } skip_jump=0; return; } switch(q->type) { case SPECIAL_INT: if (Count > 0x10000000) return; remove_interupt_event(); add_interupt_event_count(SPECIAL_INT, 0); return; break; case VI_INT: #ifdef VCR_SUPPORT VCR_updateScreen(); #else updateScreen(); #endif #ifndef __WIN32__ SDL_PumpEvents(); refresh_stat(); #endif new_vi(); if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000; else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500); next_vi += vi_register.vi_delay; if (vi_register.vi_status&0x40) vi_field=1-vi_field; else vi_field=0; remove_interupt_event(); add_interupt_event_count(VI_INT, next_vi); MI_register.mi_intr_reg |= 0x08; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case COMPARE_INT: remove_interupt_event(); Count+=2; add_interupt_event_count(COMPARE_INT, Compare); Count-=2; Cause = (Cause | 0x8000) & 0xFFFFFF83; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case CHECK_INT: remove_interupt_event(); break; case SI_INT: #ifndef __WIN32__ SDL_PumpEvents(); #endif PIF_RAMb[0x3F] = 0x0; remove_interupt_event(); MI_register.mi_intr_reg |= 0x02; si_register.si_status |= 0x1000; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case PI_INT: remove_interupt_event(); MI_register.mi_intr_reg |= 0x10; pi_register.read_pi_status_reg &= ~3; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case AI_INT: if (ai_register.ai_status & 0x80000000) // full { unsigned long ai_event = get_event(AI_INT); remove_interupt_event(); ai_register.ai_status &= ~0x80000000; ai_register.current_delay = ai_register.next_delay; ai_register.current_len = ai_register.next_len; //add_interupt_event(AI_INT, ai_register.next_delay/**2*/); add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay); MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; } else { remove_interupt_event(); ai_register.ai_status &= ~0x40000000; //------- MI_register.mi_intr_reg |= 0x04; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; //return; } break; case SP_INT: remove_interupt_event(); sp_register.sp_status_reg |= 0x303; //sp_register.signal1 = 1; sp_register.signal2 = 1; sp_register.broke = 1; sp_register.halt = 1; if (!sp_register.intr_break) return; MI_register.mi_intr_reg |= 0x01; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; case DP_INT: remove_interupt_event(); dpc_register.dpc_status &= ~2; dpc_register.dpc_status |= 0x81; MI_register.mi_intr_reg |= 0x20; if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg) Cause = (Cause | 0x400) & 0xFFFFFF83; else return; if ((Status & 7) != 1) return; if (!(Status & Cause & 0xFF00)) return; break; default: remove_interupt_event(); break; } exception_general(); if (savestates_job & SAVESTATE) { savestates_save(); savestates_job &= ~SAVESTATE; } #ifdef __WIN32__ extern BOOL emu_paused; while(emu_paused) { Sleep(10); // viStatusChanged(); //// processDList(); // processRDPList(); // updateScreen(); processLuaMessages(); } #endif }
void gen_interrupt(void) { if (stop == 1) { g_gs_vi_counter = 0; /* debug */ dyna_stop(); } if (!interrupt_unsafe_state) { if (reset_hard_job) { reset_hard(); reset_hard_job = 0; return; } } if (skip_jump) { uint32_t dest = skip_jump; uint32_t count = g_cp0_regs[CP0_COUNT_REG]; skip_jump = 0; next_interrupt = (q.first->data.count > count || (count - q.first->data.count) < UINT32_C(0x80000000)) ? q.first->data.count : 0; last_addr = dest; generic_jump_to(dest); return; } switch(q.first->data.type) { case SPECIAL_INT: special_int_handler(); break; case VI_INT: remove_interrupt_event(); vi_vertical_interrupt_event(&g_dev.vi); retro_return(false); break; case COMPARE_INT: compare_int_handler(); break; case CHECK_INT: remove_interrupt_event(); wrapped_exception_general(); break; case SI_INT: remove_interrupt_event(); si_end_of_dma_event(&g_dev.si); break; case PI_INT: remove_interrupt_event(); pi_end_of_dma_event(&g_dev.pi); break; case AI_INT: remove_interrupt_event(); ai_end_of_dma_event(&g_dev.ai); break; case SP_INT: remove_interrupt_event(); rsp_interrupt_event(&g_dev.sp); break; case DP_INT: remove_interrupt_event(); rdp_interrupt_event(&g_dev.dp); break; case HW2_INT: hw2_int_handler(); break; case NMI_INT: nmi_int_handler(); break; case CART_INT: g_cp0_regs[CP0_CAUSE_REG] |= 0x00000800; /* set IP3 */ g_cp0_regs[CP0_CAUSE_REG] &= 0xFFFFFF83; /* mask out old exception code */ remove_interrupt_event(); #if 0 if (dd_end_of_dma_event(&g_dd) == 1) { remove_interrupt_event(); g_cp0_regs[CP0_CAUSE_REG] &= ~0x00000800; } #endif break; default: DebugMessage(M64MSG_ERROR, "Unknown interrupt queue event type %.8X.", q.first->data.type); remove_interrupt_event(); wrapped_exception_general(); break; } }
void gen_interupt(void) { if (stop == 1) { g_gs_vi_counter = 0; // debug dyna_stop(); } if (!interupt_unsafe_state) { if (savestates_get_job() == savestates_job_load) { savestates_load(); return; } if (reset_hard_job) { reset_hard(); reset_hard_job = 0; return; } } if (skip_jump) { uint32_t dest = skip_jump; skip_jump = 0; next_interupt = (q.first->data.count > g_cp0_regs[CP0_COUNT_REG] || (g_cp0_regs[CP0_COUNT_REG] - q.first->data.count) < UINT32_C(0x80000000)) ? q.first->data.count : 0; last_addr = dest; generic_jump_to(dest); return; } switch(q.first->data.type) { case SPECIAL_INT: special_int_handler(); break; case VI_INT: remove_interupt_event(); vi_vertical_interrupt_event(&g_vi); break; case COMPARE_INT: compare_int_handler(); break; case CHECK_INT: remove_interupt_event(); wrapped_exception_general(); break; case SI_INT: remove_interupt_event(); si_end_of_dma_event(&g_si); break; case PI_INT: remove_interupt_event(); pi_end_of_dma_event(&g_pi); break; case AI_INT: remove_interupt_event(); ai_end_of_dma_event(&g_ai); break; case SP_INT: remove_interupt_event(); rsp_interrupt_event(&g_sp); break; case DP_INT: remove_interupt_event(); rdp_interrupt_event(&g_dp); break; case HW2_INT: hw2_int_handler(); break; case NMI_INT: nmi_int_handler(); break; default: DebugMessage(M64MSG_ERROR, "Unknown interrupt queue event type %.8X.", q.first->data.type); remove_interupt_event(); wrapped_exception_general(); break; } if (!interupt_unsafe_state) { if (savestates_get_job() == savestates_job_save) { savestates_save(); return; } } }
void gen_interupt() { if (stop == 1) { dyna_stop(); } if (savestates_job & LOADSTATE) { savestates_load(); savestates_job &= ~LOADSTATE; return; } if (skip_jump) { if (q->count > Count || (Count - q->count) < 0x80000000) { next_interupt = q->count; } else { next_interupt = 0; } interp_addr = skip_jump; last_addr = interp_addr; skip_jump=0; return; } switch(q->type) { case SPECIAL_INT: if (Count > 0x10000000) { return; } remove_interupt_event(); add_interupt_event_count(SPECIAL_INT, 0); return; break; case VI_INT: updateScreen(); #ifdef PROFILE refresh_stat(); #endif new_vi(); vi_register.vi_delay = (vi_register.vi_v_sync == 0) ? 500000 : ((vi_register.vi_v_sync + 1)*1500); next_vi += vi_register.vi_delay; vi_field = (vi_register.vi_status&0x40) ? 1-vi_field : 0; remove_interupt_event(); add_interupt_event_count(VI_INT, next_vi); MI_register.mi_intr_reg |= 0x08; if(!chk_status(1)) { return; } break; case COMPARE_INT: remove_interupt_event(); Count+=2; add_interupt_event_count(COMPARE_INT, Compare); Count-=2; Cause = (Cause | 0x8000) & 0xFFFFFF83; if(!chk_status(0)) { return; } break; case CHECK_INT: remove_interupt_event(); break; case SI_INT: PIF_RAMb[0x3F] = 0x0; remove_interupt_event(); MI_register.mi_intr_reg |= 0x02; si_register.si_status |= 0x1000; if(!chk_status(1)) { return; } break; case PI_INT: remove_interupt_event(); MI_register.mi_intr_reg |= 0x10; pi_register.read_pi_status_reg &= ~3; if(!chk_status(1)) { return; } break; case AI_INT: if (ai_register.ai_status & 0x80000000) { // full unsigned long ai_event = get_event(AI_INT); remove_interupt_event(); ai_register.ai_status &= ~0x80000000; ai_register.current_delay = ai_register.next_delay; ai_register.current_len = ai_register.next_len; add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay); } else { remove_interupt_event(); ai_register.ai_status &= ~0x40000000; } MI_register.mi_intr_reg |= 0x04; if(!chk_status(1)) { return; } break; default: remove_interupt_event(); break; } exception_general(); if (savestates_job & SAVESTATE) { savestates_save(); savestates_job &= ~SAVESTATE; } }
void osal_fastcall gen_interupt(usf_state_t * state) { if (state->stop == 1) { state->g_gs_vi_counter = 0; // debug dyna_stop(state); } if (!state->interupt_unsafe_state) { if (state->reset_hard_job) { reset_hard(state); state->reset_hard_job = 0; return; } } if (state->skip_jump) { unsigned int dest = state->skip_jump; state->skip_jump = 0; state->next_interupt = (state->q.first->data.count > state->g_cp0_regs[CP0_COUNT_REG] || (state->g_cp0_regs[CP0_COUNT_REG] - state->q.first->data.count) < 0x80000000) ? state->q.first->data.count : 0; state->last_addr = dest; generic_jump_to(state, dest); return; } switch(state->q.first->data.type) { case SPECIAL_INT: special_int_handler(state); break; case VI_INT: remove_interupt_event(state); vi_vertical_interrupt_event(&state->g_vi); break; case COMPARE_INT: compare_int_handler(state); break; case CHECK_INT: remove_interupt_event(state); wrapped_exception_general(state); break; case SI_INT: remove_interupt_event(state); si_end_of_dma_event(&state->g_si); break; case PI_INT: remove_interupt_event(state); pi_end_of_dma_event(&state->g_pi); break; case AI_INT: remove_interupt_event(state); ai_end_of_dma_event(&state->g_ai); break; case SP_INT: remove_interupt_event(state); rsp_interrupt_event(&state->g_sp); break; case DP_INT: remove_interupt_event(state); rdp_interrupt_event(&state->g_dp); break; case HW2_INT: hw2_int_handler(state); break; case NMI_INT: nmi_int_handler(state); break; default: DebugMessage(state, M64MSG_ERROR, "Unknown interrupt queue event type %.8X.", state->q.first->data.type); remove_interupt_event(state); wrapped_exception_general(state); break; } }