/[pcsx2_0.9.7]/trunk/pcsx2/VUmicroMem.cpp
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Contents of /trunk/pcsx2/VUmicroMem.cpp

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 11 months ago) by william
File size: 3229 byte(s)
committing r3113 initial commit again...
1 /* PCSX2 - PS2 Emulator for PCs
2 * Copyright (C) 2002-2010 PCSX2 Dev Team
3 *
4 * PCSX2 is free software: you can redistribute it and/or modify it under the terms
5 * of the GNU Lesser General Public License as published by the Free Software Found-
6 * ation, either version 3 of the License, or (at your option) any later version.
7 *
8 * PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10 * PURPOSE. See the GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License along with PCSX2.
13 * If not, see <http://www.gnu.org/licenses/>.
14 */
15
16
17 #include "PrecompiledHeader.h"
18 #include "Common.h"
19 #include "VUmicro.h"
20
21 static u8* m_vuAllMem = NULL;
22 static const uint m_vuMemSize =
23 0x1000 + // VU0micro memory
24 0x4000+0x800 + // VU0 memory and VU1 registers
25 0x4000 + // VU1 memory
26 0x4000;
27
28 void vuMicroMemAlloc()
29 {
30 if( m_vuAllMem == NULL )
31 m_vuAllMem = vtlb_malloc( m_vuMemSize, 16 );
32
33 if( m_vuAllMem == NULL )
34 throw Exception::OutOfMemory( "vuMicroMemInit > Failed to allocate VUmicro memory." );
35
36 jASSUME( sizeof( VURegs ) <= 0x800 );
37
38 u8* curpos = m_vuAllMem;
39 VU0.Micro = curpos; curpos += 0x1000;
40 VU0.Mem = curpos; curpos += 0x4000;
41 g_pVU1 = (VURegs*)curpos; curpos += 0x800;
42 VU1.Micro = curpos; curpos += 0x4000;
43 VU1.Mem = curpos;
44 //curpos += 0x4000;
45 }
46
47 void vuMicroMemShutdown()
48 {
49 // -- VTLB Memory Allocation --
50
51 vtlb_free( m_vuAllMem, m_vuMemSize );
52 m_vuAllMem = NULL;
53 g_pVU1 = NULL;
54 }
55
56 void vuMicroMemReset()
57 {
58 jASSUME( VU0.Mem != NULL );
59 jASSUME( VU1.Mem != NULL );
60
61 memMapVUmicro();
62
63 // === VU0 Initialization ===
64 memzero(VU0.ACC);
65 memzero(VU0.VF);
66 memzero(VU0.VI);
67 VU0.VF[0].f.x = 0.0f;
68 VU0.VF[0].f.y = 0.0f;
69 VU0.VF[0].f.z = 0.0f;
70 VU0.VF[0].f.w = 1.0f;
71 VU0.VI[0].UL = 0;
72 memzero_ptr<4*1024>(VU0.Mem);
73 memzero_ptr<4*1024>(VU0.Micro);
74
75 /* this is kinda tricky, maxmem is set to 0x4400 here,
76 tho it's not 100% accurate, since the mem goes from
77 0x0000 - 0x1000 (Mem) and 0x4000 - 0x4400 (VU1 Regs),
78 i guess it shouldn't be a problem,
79 at least hope so :) (linuz)
80 */
81 VU0.maxmem = 0x4800-4; //We are allocating 0x800 for vu1 reg's
82 VU0.maxmicro = 0x1000-4;
83 VU0.vuExec = vu0Exec;
84 VU0.vifRegs = vif0Regs;
85
86 // === VU1 Initialization ===
87 memzero(VU1.ACC);
88 memzero(VU1.VF);
89 memzero(VU1.VI);
90 VU1.VF[0].f.x = 0.0f;
91 VU1.VF[0].f.y = 0.0f;
92 VU1.VF[0].f.z = 0.0f;
93 VU1.VF[0].f.w = 1.0f;
94 VU1.VI[0].UL = 0;
95 memzero_ptr<16*1024>(VU1.Mem);
96 memzero_ptr<16*1024>(VU1.Micro);
97
98 VU1.maxmem = 0x4000-4;//16*1024-4;
99 VU1.maxmicro = 0x4000-4;
100 // VU1.VF = (VECTOR*)(VU0.Mem + 0x4000);
101 // VU1.VI = (REG_VI*)(VU0.Mem + 0x4200);
102 VU1.vuExec = vu1Exec;
103 VU1.vifRegs = vif1Regs;
104 }
105
106 void SaveStateBase::vuMicroFreeze()
107 {
108 FreezeTag( "vuMicro" );
109
110 jASSUME( VU0.Mem != NULL );
111 jASSUME( VU1.Mem != NULL );
112
113 Freeze(VU0.ACC);
114 Freeze(VU0.code);
115 FreezeMem(VU0.Mem, 4*1024);
116 FreezeMem(VU0.Micro, 4*1024);
117
118 Freeze(VU0.VF);
119 Freeze(VU0.VI);
120
121 Freeze(VU1.ACC);
122 Freeze(VU1.code);
123 FreezeMem(VU1.Mem, 16*1024);
124 FreezeMem(VU1.Micro, 16*1024);
125
126 Freeze(VU1.VF);
127 Freeze(VU1.VI);
128 }

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