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/* |
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* PearPC |
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* ppc_mmu.h |
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* |
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* Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net) |
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* Copyright (C) 2004 Daniel Foesch (dfoesch@cs.nmsu.edu) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#ifndef __PPC_MMU_H__ |
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#define __PPC_MMU_H__ |
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|
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#include "system/types.h" |
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|
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extern byte *gMemory; |
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extern uint32 gMemorySize; |
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|
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#define PPC_MMU_READ 1 |
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#define PPC_MMU_WRITE 2 |
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#define PPC_MMU_CODE 4 |
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#define PPC_MMU_SV 8 |
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#define PPC_MMU_NO_EXC 16 |
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|
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#define PPC_MMU_OK 0 |
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#define PPC_MMU_EXC 1 |
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#define PPC_MMU_FATAL 2 |
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|
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int FASTCALL ppc_effective_to_physical(uint32 addr, int flags, uint32 &result); |
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bool FASTCALL ppc_mmu_set_sdr1(uint32 newval, bool quiesce); |
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void ppc_mmu_tlb_invalidate(); |
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|
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int FASTCALL ppc_read_physical_dword(uint32 addr, uint64 &result); |
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int FASTCALL ppc_read_physical_word(uint32 addr, uint32 &result); |
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int FASTCALL ppc_read_physical_half(uint32 addr, uint16 &result); |
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int FASTCALL ppc_read_physical_byte(uint32 addr, uint8 &result); |
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|
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int FASTCALL ppc_read_effective_code(uint32 addr, uint32 &result); |
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int FASTCALL ppc_read_effective_dword(uint32 addr, uint64 &result); |
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int FASTCALL ppc_read_effective_word(uint32 addr, uint32 &result); |
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int FASTCALL ppc_read_effective_half(uint32 addr, uint16 &result); |
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int FASTCALL ppc_read_effective_byte(uint32 addr, uint8 &result); |
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|
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int FASTCALL ppc_write_physical_dword(uint32 addr, uint64 data); |
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int FASTCALL ppc_write_physical_word(uint32 addr, uint32 data); |
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int FASTCALL ppc_write_physical_half(uint32 addr, uint16 data); |
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int FASTCALL ppc_write_physical_byte(uint32 addr, uint8 data); |
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|
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int FASTCALL ppc_write_effective_dword(uint32 addr, uint64 data); |
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int FASTCALL ppc_write_effective_word(uint32 addr, uint32 data); |
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int FASTCALL ppc_write_effective_half(uint32 addr, uint16 data); |
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int FASTCALL ppc_write_effective_byte(uint32 addr, uint8 data); |
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|
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int FASTCALL ppc_direct_physical_memory_handle(uint32 addr, byte *&ptr); |
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int FASTCALL ppc_direct_effective_memory_handle(uint32 addr, byte *&ptr); |
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int FASTCALL ppc_direct_effective_memory_handle_code(uint32 addr, byte *&ptr); |
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bool FASTCALL ppc_mmu_page_create(uint32 ea, uint32 pa); |
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bool FASTCALL ppc_mmu_page_free(uint32 ea); |
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bool FASTCALL ppc_init_physical_memory(uint size); |
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|
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/* |
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pte: (page table entry) |
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1st word: |
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0 V Valid |
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1-24 VSID Virtual Segment ID |
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25 H Hash function |
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26-31 API Abbreviated page index |
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2nd word: |
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0-19 RPN Physical page number |
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20-22 res |
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23 R Referenced bit |
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24 C Changed bit |
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25-28 WIMG Memory/cache control bits |
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29 res |
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30-31 PP Page protection bits |
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*/ |
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|
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/* |
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* MMU Opcodes |
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*/ |
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void ppc_opc_dcbz(); |
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|
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void ppc_opc_lbz(); |
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void ppc_opc_lbzu(); |
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void ppc_opc_lbzux(); |
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void ppc_opc_lbzx(); |
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void ppc_opc_lfd(); |
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void ppc_opc_lfdu(); |
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void ppc_opc_lfdux(); |
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void ppc_opc_lfdx(); |
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void ppc_opc_lfs(); |
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void ppc_opc_lfsu(); |
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void ppc_opc_lfsux(); |
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void ppc_opc_lfsx(); |
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void ppc_opc_lha(); |
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void ppc_opc_lhau(); |
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void ppc_opc_lhaux(); |
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void ppc_opc_lhax(); |
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void ppc_opc_lhbrx(); |
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void ppc_opc_lhz(); |
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void ppc_opc_lhzu(); |
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void ppc_opc_lhzux(); |
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void ppc_opc_lhzx(); |
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void ppc_opc_lmw(); |
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void ppc_opc_lswi(); |
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void ppc_opc_lswx(); |
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void ppc_opc_lwarx(); |
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void ppc_opc_lwbrx(); |
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void ppc_opc_lwz(); |
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void ppc_opc_lwzu(); |
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void ppc_opc_lwzux(); |
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void ppc_opc_lwzx(); |
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void ppc_opc_lvx(); /* for altivec support */ |
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void ppc_opc_lvxl(); |
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void ppc_opc_lvebx(); |
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void ppc_opc_lvehx(); |
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void ppc_opc_lvewx(); |
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void ppc_opc_lvsl(); |
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void ppc_opc_lvsr(); |
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void ppc_opc_dst(); |
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|
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void ppc_opc_stb(); |
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void ppc_opc_stbu(); |
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void ppc_opc_stbux(); |
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void ppc_opc_stbx(); |
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void ppc_opc_stfd(); |
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void ppc_opc_stfdu(); |
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void ppc_opc_stfdux(); |
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void ppc_opc_stfdx(); |
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void ppc_opc_stfiwx(); |
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void ppc_opc_stfs(); |
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void ppc_opc_stfsu(); |
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void ppc_opc_stfsux(); |
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void ppc_opc_stfsx(); |
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void ppc_opc_sth(); |
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void ppc_opc_sthbrx(); |
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void ppc_opc_sthu(); |
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void ppc_opc_sthux(); |
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void ppc_opc_sthx(); |
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void ppc_opc_stmw(); |
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void ppc_opc_stswi(); |
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void ppc_opc_stswx(); |
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void ppc_opc_stw(); |
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void ppc_opc_stwbrx(); |
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void ppc_opc_stwcx_(); |
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void ppc_opc_stwu(); |
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void ppc_opc_stwux(); |
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void ppc_opc_stwx(); |
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void ppc_opc_stvx(); /* for altivec support */ |
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void ppc_opc_stvxl(); |
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void ppc_opc_stvebx(); |
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void ppc_opc_stvehx(); |
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void ppc_opc_stvewx(); |
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void ppc_opc_dstst(); |
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void ppc_opc_dss(); |
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|
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#endif |
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