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1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | #ifndef __R3000A_H__ | |
21 | #define __R3000A_H__ | |
22 | ||
23 | #ifdef __cplusplus | |
24 | extern "C" { | |
25 | #endif | |
26 | ||
27 | #include "psxcommon.h" | |
ef79bbde | 28 | |
905b7c25 | 29 | enum R3000Aexception { |
30 | R3000E_Int = 0, // Interrupt | |
31 | R3000E_AdEL = 4, // Address error (on load/I-fetch) | |
32 | R3000E_AdES = 5, // Address error (on store) | |
33 | R3000E_IBE = 6, // Bus error (instruction fetch) | |
bc7c5acb | 34 | R3000E_DBE = 7, // Bus error (data load/store) |
905b7c25 | 35 | R3000E_Syscall = 8, // syscall instruction |
36 | R3000E_Bp = 9, // Breakpoint - a break instruction | |
37 | R3000E_RI = 10, // reserved instruction | |
38 | R3000E_CpU = 11, // Co-Processor unusable | |
39 | R3000E_Ov = 12 // arithmetic overflow | |
40 | }; | |
41 | ||
980f7a58 | 42 | enum R3000Anote { |
943a507a | 43 | R3000ACPU_NOTIFY_CACHE_ISOLATED = 0, |
44 | R3000ACPU_NOTIFY_CACHE_UNISOLATED = 1, | |
1da9b9ae | 45 | R3000ACPU_NOTIFY_BEFORE_SAVE, // data arg - hle if non-null |
980f7a58 | 46 | R3000ACPU_NOTIFY_AFTER_LOAD, |
943a507a | 47 | }; |
943a507a | 48 | |
da65071f | 49 | enum blockExecCaller { |
50 | EXEC_CALLER_BOOT, | |
51 | EXEC_CALLER_HLE, | |
52 | }; | |
53 | ||
ef79bbde P |
54 | typedef struct { |
55 | int (*Init)(); | |
56 | void (*Reset)(); | |
da65071f | 57 | void (*Execute)(); |
58 | void (*ExecuteBlock)(enum blockExecCaller caller); /* executes up to a jump */ | |
ef79bbde | 59 | void (*Clear)(u32 Addr, u32 Size); |
980f7a58 | 60 | void (*Notify)(enum R3000Anote note, void *data); |
32631e6a | 61 | void (*ApplyConfig)(); |
ef79bbde P |
62 | void (*Shutdown)(); |
63 | } R3000Acpu; | |
64 | ||
65 | extern R3000Acpu *psxCpu; | |
66 | extern R3000Acpu psxInt; | |
ef79bbde | 67 | extern R3000Acpu psxRec; |
ef79bbde P |
68 | |
69 | typedef union { | |
04bd10b1 | 70 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
ef79bbde P |
71 | struct { u8 h3, h2, h, l; } b; |
72 | struct { s8 h3, h2, h, l; } sb; | |
73 | struct { u16 h, l; } w; | |
74 | struct { s16 h, l; } sw; | |
75 | #else | |
76 | struct { u8 l, h, h2, h3; } b; | |
77 | struct { u16 l, h; } w; | |
78 | struct { s8 l, h, h2, h3; } sb; | |
79 | struct { s16 l, h; } sw; | |
80 | #endif | |
81 | } PAIR; | |
82 | ||
83 | typedef union { | |
84 | struct { | |
85 | u32 r0, at, v0, v1, a0, a1, a2, a3, | |
86 | t0, t1, t2, t3, t4, t5, t6, t7, | |
87 | s0, s1, s2, s3, s4, s5, s6, s7, | |
14b3bd95 | 88 | t8, t9, k0, k1, gp, sp, fp, ra, lo, hi; |
ef79bbde P |
89 | } n; |
90 | u32 r[34]; /* Lo, Hi in r[32] and r[33] */ | |
91 | PAIR p[34]; | |
92 | } psxGPRRegs; | |
93 | ||
6d75addf | 94 | typedef union psxCP0Regs_ { |
ef79bbde | 95 | struct { |
bc7c5acb | 96 | u32 Reserved0, Reserved1, Reserved2, BPC, |
97 | Reserved4, BDA, Target, DCIC, | |
98 | BadVAddr, BDAM, Reserved10, BPCM, | |
99 | SR, Cause, EPC, PRid, | |
100 | Reserved16[16]; | |
ef79bbde P |
101 | } n; |
102 | u32 r[32]; | |
103 | PAIR p[32]; | |
104 | } psxCP0Regs; | |
105 | ||
106 | typedef struct { | |
107 | short x, y; | |
108 | } SVector2D; | |
109 | ||
110 | typedef struct { | |
111 | short z, pad; | |
112 | } SVector2Dz; | |
113 | ||
114 | typedef struct { | |
115 | short x, y, z, pad; | |
116 | } SVector3D; | |
117 | ||
118 | typedef struct { | |
119 | short x, y, z, pad; | |
120 | } LVector3D; | |
121 | ||
122 | typedef struct { | |
123 | unsigned char r, g, b, c; | |
124 | } CBGR; | |
125 | ||
126 | typedef struct { | |
127 | short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad; | |
128 | } SMatrix3D; | |
129 | ||
130 | typedef union { | |
131 | struct { | |
132 | SVector3D v0, v1, v2; | |
133 | CBGR rgb; | |
134 | s32 otz; | |
135 | s32 ir0, ir1, ir2, ir3; | |
136 | SVector2D sxy0, sxy1, sxy2, sxyp; | |
137 | SVector2Dz sz0, sz1, sz2, sz3; | |
138 | CBGR rgb0, rgb1, rgb2; | |
139 | s32 reserved; | |
140 | s32 mac0, mac1, mac2, mac3; | |
141 | u32 irgb, orgb; | |
142 | s32 lzcs, lzcr; | |
143 | } n; | |
144 | u32 r[32]; | |
145 | PAIR p[32]; | |
146 | } psxCP2Data; | |
147 | ||
148 | typedef union { | |
149 | struct { | |
150 | SMatrix3D rMatrix; | |
151 | s32 trX, trY, trZ; | |
152 | SMatrix3D lMatrix; | |
153 | s32 rbk, gbk, bbk; | |
154 | SMatrix3D cMatrix; | |
155 | s32 rfc, gfc, bfc; | |
156 | s32 ofx, ofy; | |
157 | s32 h; | |
158 | s32 dqa, dqb; | |
159 | s32 zsf3, zsf4; | |
160 | s32 flag; | |
161 | } n; | |
162 | u32 r[32]; | |
163 | PAIR p[32]; | |
164 | } psxCP2Ctrl; | |
165 | ||
bc7c5acb | 166 | enum R3000Abdt { |
167 | // corresponds to bits 31,30 of Cause reg | |
168 | R3000A_BRANCH_TAKEN = 3, | |
169 | R3000A_BRANCH_NOT_TAKEN = 2, | |
170 | // none or tells that there was an exception in DS back to doBranch | |
171 | R3000A_BRANCH_NONE_OR_EXCEPTION = 0, | |
172 | }; | |
173 | ||
eac38522 | 174 | typedef struct psxCP2Regs { |
175 | psxCP2Data CP2D; /* Cop2 data registers */ | |
176 | psxCP2Ctrl CP2C; /* Cop2 control registers */ | |
177 | } psxCP2Regs; | |
178 | ||
ef79bbde | 179 | typedef struct { |
6d75addf | 180 | // note: some cores like lightrec don't keep their data here, |
181 | // so use R3000ACPU_NOTIFY_BEFORE_SAVE to sync | |
ef79bbde P |
182 | psxGPRRegs GPR; /* General Purpose Registers */ |
183 | psxCP0Regs CP0; /* Coprocessor0 Registers */ | |
eac38522 | 184 | union { |
185 | struct { | |
186 | psxCP2Data CP2D; /* Cop2 data registers */ | |
187 | psxCP2Ctrl CP2C; /* Cop2 control registers */ | |
188 | }; | |
189 | psxCP2Regs CP2; | |
190 | }; | |
6d75addf | 191 | u32 pc; /* Program counter */ |
192 | u32 code; /* The instruction */ | |
ef79bbde P |
193 | u32 cycle; |
194 | u32 interrupt; | |
d28b54b1 | 195 | struct { u32 sCycle, cycle; } intCycle[32]; |
81dbbf4c | 196 | u32 gteBusyCycle; |
32631e6a | 197 | u32 muldivBusyCycle; |
bc7c5acb | 198 | u32 subCycle; /* interpreter cycle counting */ |
d5aeda23 | 199 | u32 subCycleStep; |
679d5ee3 | 200 | u32 biuReg; |
bc7c5acb | 201 | u8 branching; /* interp. R3000A_BRANCH_TAKEN / not, 0 if not branch */ |
202 | u8 dloadSel; /* interp. delay load state */ | |
f9ae4f29 | 203 | u8 dloadReg[2]; |
204 | u32 dloadVal[2]; | |
de74f599 | 205 | u32 biosBranchCheck; |
65722e04 | 206 | u32 cpuInRecursion; |
f8896d18 | 207 | u32 gpuIdleAfter; |
208 | u32 reserved[1]; | |
81dbbf4c | 209 | // warning: changing anything in psxRegisters requires update of all |
d5aeda23 | 210 | // asm in libpcsxcore/new_dynarec/ |
ef79bbde P |
211 | } psxRegisters; |
212 | ||
213 | extern psxRegisters psxRegs; | |
214 | ||
d28b54b1 | 215 | /* new_dynarec stuff */ |
03f55e6b | 216 | void new_dyna_freeze(void *f, int mode); |
52082bc1 | 217 | |
ef79bbde P |
218 | int psxInit(); |
219 | void psxReset(); | |
220 | void psxShutdown(); | |
bc7c5acb | 221 | void psxException(u32 code, enum R3000Abdt bdt, psxCP0Regs *cp0); |
ef79bbde P |
222 | void psxBranchTest(); |
223 | void psxExecuteBios(); | |
ef79bbde P |
224 | void psxJumpTest(); |
225 | ||
11d23573 | 226 | void irq10Interrupt(); |
227 | void psxScheduleIrq10(int irq_count, int x_cycles, int y); | |
228 | ||
ef79bbde P |
229 | #ifdef __cplusplus |
230 | } | |
231 | #endif | |
232 | #endif |