/[pearpc]/src/cpu/cpu_generic/ppc_mmu.h
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Contents of /src/cpu/cpu_generic/ppc_mmu.h

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Revision 1 - (show annotations)
Wed Sep 5 17:11:21 2007 UTC (12 years, 2 months ago) by dpavlin
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1 /*
2 * PearPC
3 * ppc_mmu.h
4 *
5 * Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net)
6 * Copyright (C) 2004 Daniel Foesch (dfoesch@cs.nmsu.edu)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #ifndef __PPC_MMU_H__
23 #define __PPC_MMU_H__
24
25 #include "system/types.h"
26
27 extern byte *gMemory;
28 extern uint32 gMemorySize;
29
30 #define PPC_MMU_READ 1
31 #define PPC_MMU_WRITE 2
32 #define PPC_MMU_CODE 4
33 #define PPC_MMU_SV 8
34 #define PPC_MMU_NO_EXC 16
35
36 #define PPC_MMU_OK 0
37 #define PPC_MMU_EXC 1
38 #define PPC_MMU_FATAL 2
39
40 int FASTCALL ppc_effective_to_physical(uint32 addr, int flags, uint32 &result);
41 bool FASTCALL ppc_mmu_set_sdr1(uint32 newval, bool quiesce);
42 void ppc_mmu_tlb_invalidate();
43
44 int FASTCALL ppc_read_physical_dword(uint32 addr, uint64 &result);
45 int FASTCALL ppc_read_physical_word(uint32 addr, uint32 &result);
46 int FASTCALL ppc_read_physical_half(uint32 addr, uint16 &result);
47 int FASTCALL ppc_read_physical_byte(uint32 addr, uint8 &result);
48
49 int FASTCALL ppc_read_effective_code(uint32 addr, uint32 &result);
50 int FASTCALL ppc_read_effective_dword(uint32 addr, uint64 &result);
51 int FASTCALL ppc_read_effective_word(uint32 addr, uint32 &result);
52 int FASTCALL ppc_read_effective_half(uint32 addr, uint16 &result);
53 int FASTCALL ppc_read_effective_byte(uint32 addr, uint8 &result);
54
55 int FASTCALL ppc_write_physical_dword(uint32 addr, uint64 data);
56 int FASTCALL ppc_write_physical_word(uint32 addr, uint32 data);
57 int FASTCALL ppc_write_physical_half(uint32 addr, uint16 data);
58 int FASTCALL ppc_write_physical_byte(uint32 addr, uint8 data);
59
60 int FASTCALL ppc_write_effective_dword(uint32 addr, uint64 data);
61 int FASTCALL ppc_write_effective_word(uint32 addr, uint32 data);
62 int FASTCALL ppc_write_effective_half(uint32 addr, uint16 data);
63 int FASTCALL ppc_write_effective_byte(uint32 addr, uint8 data);
64
65 int FASTCALL ppc_direct_physical_memory_handle(uint32 addr, byte *&ptr);
66 int FASTCALL ppc_direct_effective_memory_handle(uint32 addr, byte *&ptr);
67 int FASTCALL ppc_direct_effective_memory_handle_code(uint32 addr, byte *&ptr);
68 bool FASTCALL ppc_mmu_page_create(uint32 ea, uint32 pa);
69 bool FASTCALL ppc_mmu_page_free(uint32 ea);
70 bool FASTCALL ppc_init_physical_memory(uint size);
71
72 /*
73 pte: (page table entry)
74 1st word:
75 0 V Valid
76 1-24 VSID Virtual Segment ID
77 25 H Hash function
78 26-31 API Abbreviated page index
79 2nd word:
80 0-19 RPN Physical page number
81 20-22 res
82 23 R Referenced bit
83 24 C Changed bit
84 25-28 WIMG Memory/cache control bits
85 29 res
86 30-31 PP Page protection bits
87 */
88
89 /*
90 * MMU Opcodes
91 */
92 void ppc_opc_dcbz();
93
94 void ppc_opc_lbz();
95 void ppc_opc_lbzu();
96 void ppc_opc_lbzux();
97 void ppc_opc_lbzx();
98 void ppc_opc_lfd();
99 void ppc_opc_lfdu();
100 void ppc_opc_lfdux();
101 void ppc_opc_lfdx();
102 void ppc_opc_lfs();
103 void ppc_opc_lfsu();
104 void ppc_opc_lfsux();
105 void ppc_opc_lfsx();
106 void ppc_opc_lha();
107 void ppc_opc_lhau();
108 void ppc_opc_lhaux();
109 void ppc_opc_lhax();
110 void ppc_opc_lhbrx();
111 void ppc_opc_lhz();
112 void ppc_opc_lhzu();
113 void ppc_opc_lhzux();
114 void ppc_opc_lhzx();
115 void ppc_opc_lmw();
116 void ppc_opc_lswi();
117 void ppc_opc_lswx();
118 void ppc_opc_lwarx();
119 void ppc_opc_lwbrx();
120 void ppc_opc_lwz();
121 void ppc_opc_lwzu();
122 void ppc_opc_lwzux();
123 void ppc_opc_lwzx();
124 void ppc_opc_lvx(); /* for altivec support */
125 void ppc_opc_lvxl();
126 void ppc_opc_lvebx();
127 void ppc_opc_lvehx();
128 void ppc_opc_lvewx();
129 void ppc_opc_lvsl();
130 void ppc_opc_lvsr();
131 void ppc_opc_dst();
132
133 void ppc_opc_stb();
134 void ppc_opc_stbu();
135 void ppc_opc_stbux();
136 void ppc_opc_stbx();
137 void ppc_opc_stfd();
138 void ppc_opc_stfdu();
139 void ppc_opc_stfdux();
140 void ppc_opc_stfdx();
141 void ppc_opc_stfiwx();
142 void ppc_opc_stfs();
143 void ppc_opc_stfsu();
144 void ppc_opc_stfsux();
145 void ppc_opc_stfsx();
146 void ppc_opc_sth();
147 void ppc_opc_sthbrx();
148 void ppc_opc_sthu();
149 void ppc_opc_sthux();
150 void ppc_opc_sthx();
151 void ppc_opc_stmw();
152 void ppc_opc_stswi();
153 void ppc_opc_stswx();
154 void ppc_opc_stw();
155 void ppc_opc_stwbrx();
156 void ppc_opc_stwcx_();
157 void ppc_opc_stwu();
158 void ppc_opc_stwux();
159 void ppc_opc_stwx();
160 void ppc_opc_stvx(); /* for altivec support */
161 void ppc_opc_stvxl();
162 void ppc_opc_stvebx();
163 void ppc_opc_stvehx();
164 void ppc_opc_stvewx();
165 void ppc_opc_dstst();
166 void ppc_opc_dss();
167
168 #endif
169

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