X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=source%2Fmupen64plus-core%2Fsrc%2Fr4300%2Fexception.c;fp=source%2Fmupen64plus-core%2Fsrc%2Fr4300%2Fexception.c;h=af3e60f96f5d732f7077aef4f138016db4072ca3;hb=451ab91e3827a6384981b3300e2a7000d2eaba58;hp=0000000000000000000000000000000000000000;hpb=a2ab25365b5b0dddbee476d695d8a31151407581;p=mupen64plus-pandora.git diff --git a/source/mupen64plus-core/src/r4300/exception.c b/source/mupen64plus-core/src/r4300/exception.c new file mode 100644 index 0000000..af3e60f --- /dev/null +++ b/source/mupen64plus-core/src/r4300/exception.c @@ -0,0 +1,144 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Mupen64plus - exception.c * + * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * + * Copyright (C) 2002 Hacktarux * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +#include "api/m64p_types.h" +#include "api/callbacks.h" +#include "memory/memory.h" + +#include "exception.h" +#include "r4300.h" +#include "macros.h" +#include "recomph.h" + +void TLB_refill_exception(unsigned int address, int w) +{ + int usual_handler = 0, i; + + if (r4300emu != CORE_DYNAREC && w != 2) update_count(); + if (w == 1) Cause = (3 << 2); + else Cause = (2 << 2); + BadVAddr = address; + Context = (Context & 0xFF80000F) | ((address >> 9) & 0x007FFFF0); + EntryHi = address & 0xFFFFE000; + if (Status & 0x2) // Test de EXL + { + generic_jump_to(0x80000180); + if(delay_slot==1 || delay_slot==3) Cause |= 0x80000000; + else Cause &= 0x7FFFFFFF; + } + else + { + if (r4300emu != CORE_PURE_INTERPRETER) + { + if (w!=2) + EPC = PC->addr; + else + EPC = address; + } + else EPC = PC->addr; + + Cause &= ~0x80000000; + Status |= 0x2; //EXL=1 + + if (address >= 0x80000000 && address < 0xc0000000) + usual_handler = 1; + for (i=0; i<32; i++) + { + if (/*tlb_e[i].v_even &&*/ address >= tlb_e[i].start_even && + address <= tlb_e[i].end_even) + usual_handler = 1; + if (/*tlb_e[i].v_odd &&*/ address >= tlb_e[i].start_odd && + address <= tlb_e[i].end_odd) + usual_handler = 1; + } + if (usual_handler) + { + generic_jump_to(0x80000180); + } + else + { + generic_jump_to(0x80000000); + } + } + if(delay_slot==1 || delay_slot==3) + { + Cause |= 0x80000000; + EPC-=4; + } + else + { + Cause &= 0x7FFFFFFF; + } + if(w != 2) EPC-=4; + + last_addr = PC->addr; + + if (r4300emu == CORE_DYNAREC) + { + dyna_jump(); + if (!dyna_interp) delay_slot = 0; + } + + if (r4300emu != CORE_DYNAREC || dyna_interp) + { + dyna_interp = 0; + if (delay_slot) + { + skip_jump = PC->addr; + next_interupt = 0; + } + } +} + +void exception_general(void) +{ + update_count(); + Status |= 2; + + EPC = PC->addr; + + if(delay_slot==1 || delay_slot==3) + { + Cause |= 0x80000000; + EPC-=4; + } + else + { + Cause &= 0x7FFFFFFF; + } + generic_jump_to(0x80000180); + last_addr = PC->addr; + if (r4300emu == CORE_DYNAREC) + { + dyna_jump(); + if (!dyna_interp) delay_slot = 0; + } + if (r4300emu != CORE_DYNAREC || dyna_interp) + { + dyna_interp = 0; + if (delay_slot) + { + skip_jump = PC->addr; + next_interupt = 0; + } + } +} +