1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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. *
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. *
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 ***************************************************************************/
27 #include "psxcommon.h"
29 #include "psxcounters.h"
35 void (*Execute)(); /* executes up to a break */
36 void (*ExecuteBlock)(); /* executes up to a jump */
37 void (*Clear)(u32 Addr, u32 Size);
41 extern R3000Acpu *psxCpu;
42 extern R3000Acpu psxInt;
43 #if (defined(__x86_64__) || defined(__i386__) || defined(__sh__) || defined(__ppc__) || defined(__arm__)) && !defined(NOPSXREC)
44 extern R3000Acpu psxRec;
49 #if defined(__BIGENDIAN__)
50 struct { u8 h3, h2, h, l; } b;
51 struct { s8 h3, h2, h, l; } sb;
52 struct { u16 h, l; } w;
53 struct { s16 h, l; } sw;
55 struct { u8 l, h, h2, h3; } b;
56 struct { u16 l, h; } w;
57 struct { s8 l, h, h2, h3; } sb;
58 struct { s16 l, h; } sw;
64 u32 r0, at, v0, v1, a0, a1, a2, a3,
65 t0, t1, t2, t3, t4, t5, t6, t7,
66 s0, s1, s2, s3, s4, s5, s6, s7,
67 t8, t9, k0, k1, gp, sp, s8, ra, lo, hi;
69 u32 r[34]; /* Lo, Hi in r[32] and r[33] */
75 u32 Index, Random, EntryLo0, EntryLo1,
76 Context, PageMask, Wired, Reserved0,
77 BadVAddr, Count, EntryHi, Compare,
78 Status, Cause, EPC, PRid,
79 Config, LLAddr, WatchLO, WatchHI,
80 XContext, Reserved1, Reserved2, Reserved3,
81 Reserved4, Reserved5, ECC, CacheErr,
82 TagLo, TagHi, ErrorEPC, Reserved6;
105 unsigned char r, g, b, c;
109 short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad;
114 SVector3D v0, v1, v2;
117 s32 ir0, ir1, ir2, ir3;
118 SVector2D sxy0, sxy1, sxy2, sxyp;
119 SVector2Dz sz0, sz1, sz2, sz3;
120 CBGR rgb0, rgb1, rgb2;
122 s32 mac0, mac1, mac2, mac3;
160 psxGPRRegs GPR; /* General Purpose Registers */
161 psxCP0Regs CP0; /* Coprocessor0 Registers */
162 psxCP2Data CP2D; /* Cop2 data registers */
163 psxCP2Ctrl CP2C; /* Cop2 control registers */
164 u32 pc; /* Program counter */
165 u32 code; /* The instruction */
168 struct { u32 sCycle, cycle; } intCycle[32];
171 extern psxRegisters psxRegs;
173 /* new_dynarec stuff */
174 extern u32 event_cycles[PSXINT_COUNT];
175 extern u32 next_interupt;
177 void new_dyna_save(void);
178 void new_dyna_restore(void);
180 #define new_dyna_set_event(e, c) { \
182 u32 abs_ = psxRegs.cycle + c_; \
183 s32 odi_ = next_interupt - psxRegs.cycle; \
184 event_cycles[e] = abs_; \
186 /*printf("%u: next_interupt %d -> %d (%u)\n", psxRegs.cycle, odi_, c_, abs_);*/ \
187 next_interupt = abs_; \
191 #if defined(__BIGENDIAN__)
193 #define _i32(x) *(s32 *)&x
196 #define _i16(x) (((short *)&x)[1])
197 #define _u16(x) (((unsigned short *)&x)[1])
199 #define _i8(x) (((char *)&x)[3])
200 #define _u8(x) (((unsigned char *)&x)[3])
204 #define _i32(x) *(s32 *)&x
207 #define _i16(x) *(short *)&x
208 #define _u16(x) *(unsigned short *)&x
210 #define _i8(x) *(char *)&x
211 #define _u8(x) *(unsigned char *)&x
215 /**** R3000A Instruction Macros ****/
216 #define _PC_ psxRegs.pc // The next PC to be executed
218 #define _fOp_(code) ((code >> 26) ) // The opcode part of the instruction register
219 #define _fFunct_(code) ((code ) & 0x3F) // The funct part of the instruction register
220 #define _fRd_(code) ((code >> 11) & 0x1F) // The rd part of the instruction register
221 #define _fRt_(code) ((code >> 16) & 0x1F) // The rt part of the instruction register
222 #define _fRs_(code) ((code >> 21) & 0x1F) // The rs part of the instruction register
223 #define _fSa_(code) ((code >> 6) & 0x1F) // The sa part of the instruction register
224 #define _fIm_(code) ((u16)code) // The immediate part of the instruction register
225 #define _fTarget_(code) (code & 0x03ffffff) // The target part of the instruction register
227 #define _fImm_(code) ((s16)code) // sign-extended immediate
228 #define _fImmU_(code) (code&0xffff) // zero-extended immediate
230 #define _Op_ _fOp_(psxRegs.code)
231 #define _Funct_ _fFunct_(psxRegs.code)
232 #define _Rd_ _fRd_(psxRegs.code)
233 #define _Rt_ _fRt_(psxRegs.code)
234 #define _Rs_ _fRs_(psxRegs.code)
235 #define _Sa_ _fSa_(psxRegs.code)
236 #define _Im_ _fIm_(psxRegs.code)
237 #define _Target_ _fTarget_(psxRegs.code)
239 #define _Imm_ _fImm_(psxRegs.code)
240 #define _ImmU_ _fImmU_(psxRegs.code)
242 #define _rRs_ psxRegs.GPR.r[_Rs_] // Rs register
243 #define _rRt_ psxRegs.GPR.r[_Rt_] // Rt register
244 #define _rRd_ psxRegs.GPR.r[_Rd_] // Rd register
245 #define _rSa_ psxRegs.GPR.r[_Sa_] // Sa register
246 #define _rFs_ psxRegs.CP0.r[_Rd_] // Fs register
248 #define _c2dRs_ psxRegs.CP2D.r[_Rs_] // Rs cop2 data register
249 #define _c2dRt_ psxRegs.CP2D.r[_Rt_] // Rt cop2 data register
250 #define _c2dRd_ psxRegs.CP2D.r[_Rd_] // Rd cop2 data register
251 #define _c2dSa_ psxRegs.CP2D.r[_Sa_] // Sa cop2 data register
253 #define _rHi_ psxRegs.GPR.n.hi // The HI register
254 #define _rLo_ psxRegs.GPR.n.lo // The LO register
256 #define _JumpTarget_ ((_Target_ * 4) + (_PC_ & 0xf0000000)) // Calculates the target during a jump instruction
257 #define _BranchTarget_ ((s16)_Im_ * 4 + _PC_) // Calculates the target during a branch instruction
259 #define _SetLink(x) psxRegs.GPR.r[x] = _PC_ + 4; // Sets the return address in the link register
264 void psxException(u32 code, u32 bd);
265 void psxBranchTest();
266 void psxExecuteBios();
267 int psxTestLoadDelay(int reg, u32 tmp);
268 void psxDelayTest(int reg, u32 bpc);
269 void psxTestSWInts();