/[pcsx2_0.9.7]/trunk/pcsx2/vtlb.h
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Contents of /trunk/pcsx2/vtlb.h

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 5 months ago) by william
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File size: 3709 byte(s)
committing r3113 initial commit again...
1
2 #pragma once
3
4 // Specialized function pointers for each read type
5 typedef mem8_t __fastcall vtlbMemR8FP(u32 addr);
6 typedef mem16_t __fastcall vtlbMemR16FP(u32 addr);
7 typedef mem32_t __fastcall vtlbMemR32FP(u32 addr);
8 typedef void __fastcall vtlbMemR64FP(u32 addr,mem64_t* data);
9 typedef void __fastcall vtlbMemR128FP(u32 addr,mem128_t* data);
10
11 // Specialized function pointers for each write type
12 typedef void __fastcall vtlbMemW8FP(u32 addr,mem8_t data);
13 typedef void __fastcall vtlbMemW16FP(u32 addr,mem16_t data);
14 typedef void __fastcall vtlbMemW32FP(u32 addr,mem32_t data);
15 typedef void __fastcall vtlbMemW64FP(u32 addr,const mem64_t* data);
16 typedef void __fastcall vtlbMemW128FP(u32 addr,const mem128_t* data);
17
18 typedef u32 vtlbHandler;
19
20 extern void vtlb_Core_Alloc();
21 extern void vtlb_Core_Shutdown();
22 extern void vtlb_Init();
23 extern void vtlb_Reset();
24 extern void vtlb_Term();
25 extern u8* vtlb_malloc( uint size, uint align );
26 extern void vtlb_free( void* pmem, uint size );
27
28
29 extern vtlbHandler vtlb_NewHandler();
30
31 extern vtlbHandler vtlb_RegisterHandler(
32 vtlbMemR8FP* r8,vtlbMemR16FP* r16,vtlbMemR32FP* r32,vtlbMemR64FP* r64,vtlbMemR128FP* r128,
33 vtlbMemW8FP* w8,vtlbMemW16FP* w16,vtlbMemW32FP* w32,vtlbMemW64FP* w64,vtlbMemW128FP* w128
34 );
35
36 extern void vtlb_ReassignHandler( vtlbHandler rv,
37 vtlbMemR8FP* r8,vtlbMemR16FP* r16,vtlbMemR32FP* r32,vtlbMemR64FP* r64,vtlbMemR128FP* r128,
38 vtlbMemW8FP* w8,vtlbMemW16FP* w16,vtlbMemW32FP* w32,vtlbMemW64FP* w64,vtlbMemW128FP* w128
39 );
40
41
42 extern void vtlb_MapHandler(vtlbHandler handler,u32 start,u32 size);
43 extern void vtlb_MapBlock(void* base,u32 start,u32 size,u32 blocksize=0);
44 extern void* vtlb_GetPhyPtr(u32 paddr);
45 //extern void vtlb_Mirror(u32 new_region,u32 start,u32 size); // -> not working yet :(
46
47 //virtual mappings
48 extern void vtlb_VMap(u32 vaddr,u32 paddr,u32 sz);
49 extern void vtlb_VMapBuffer(u32 vaddr,void* buffer,u32 sz);
50 extern void vtlb_VMapUnmap(u32 vaddr,u32 sz);
51
52 //Memory functions
53
54 extern mem8_t __fastcall vtlb_memRead8(u32 mem);
55 extern mem16_t __fastcall vtlb_memRead16(u32 mem);
56 extern u32 __fastcall vtlb_memRead32(u32 mem);
57 extern void __fastcall vtlb_memRead64(u32 mem, u64 *out);
58 extern void __fastcall vtlb_memRead128(u32 mem, u64 *out);
59 extern void __fastcall vtlb_memWrite8 (u32 mem, mem8_t value);
60 extern void __fastcall vtlb_memWrite16(u32 mem, mem16_t value);
61 extern void __fastcall vtlb_memWrite32(u32 mem, u32 value);
62 extern void __fastcall vtlb_memWrite64(u32 mem, const u64* value);
63 extern void __fastcall vtlb_memWrite128(u32 mem, const u64* value);
64
65 extern void vtlb_DynGenWrite(u32 sz);
66 extern void vtlb_DynGenRead32(u32 bits, bool sign);
67 extern void vtlb_DynGenRead64(u32 sz);
68
69 extern void vtlb_DynGenWrite_Const( u32 bits, u32 addr_const );
70 extern void vtlb_DynGenRead64_Const( u32 bits, u32 addr_const );
71 extern void vtlb_DynGenRead32_Const( u32 bits, bool sign, u32 addr_const );
72
73 namespace vtlb_private
74 {
75 static const uint VTLB_ALLOC_SIZE = 0x2900000; //this is a bit more than required
76
77 static const uint VTLB_PAGE_BITS = 12;
78 static const uint VTLB_PAGE_MASK = 4095;
79 static const uint VTLB_PAGE_SIZE = 4096;
80
81 static const uint VTLB_PMAP_ITEMS = 0x20000000 / VTLB_PAGE_SIZE;
82 static const uint VTLB_PMAP_SZ = 0x20000000;
83 static const uint VTLB_VMAP_ITEMS = 0x100000000ULL / VTLB_PAGE_SIZE;
84
85 struct MapData
86 {
87 u8* alloc_base; //base of the memory array
88 int alloc_current; //current base
89
90 s32 pmap[VTLB_PMAP_ITEMS]; //512KB
91 s32 vmap[VTLB_VMAP_ITEMS]; //4MB
92
93 // first indexer -- 8/16/32/64/128 bit tables [values 0-4]
94 // second indexer -- read/write [0 or 1]
95 // third indexer -- 128 possible handlers!
96 void* RWFT[5][2][128];
97 };
98
99 extern __aligned(64) MapData vtlbdata;
100 }

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