mirror of https://github.com/PCSX2/pcsx2.git
317 lines
6.9 KiB
C
317 lines
6.9 KiB
C
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2010 PCSX2 Dev Team
|
|
*
|
|
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU Lesser General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with PCSX2.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#define COPY_GS_PACKET_TO_MTGS 0
|
|
#define PRINT_GIF_PACKET 0
|
|
|
|
//#define GUNIT_LOG DevCon.WriteLn
|
|
#define GUNIT_LOG(...) do {} while(0)
|
|
|
|
//#define GUNIT_WARN DevCon.WriteLn
|
|
#define GUNIT_WARN(...) do {} while(0)
|
|
|
|
enum GIF_PATH {
|
|
GIF_PATH_1 = 0,
|
|
GIF_PATH_2,
|
|
GIF_PATH_3,
|
|
};
|
|
|
|
// Lower byte contains path minus 1
|
|
enum GIF_TRANSFER_TYPE {
|
|
GIF_TRANS_INVALID = 0x000, // Invalid
|
|
GIF_TRANS_XGKICK = 0x100, // Path 1
|
|
GIF_TRANS_MTVU = 0x200, // Path 1
|
|
GIF_TRANS_DIRECT = 0x301, // Path 2
|
|
GIF_TRANS_DIRECTHL = 0x401, // Path 2
|
|
GIF_TRANS_DMA = 0x502, // Path 3
|
|
GIF_TRANS_FIFO = 0x602 // Path 3
|
|
};
|
|
|
|
static const char Gif_TransferStr[7][32] = {
|
|
"Invalid Transfer Type",
|
|
"GIF_TRANS_XGKICK",
|
|
"GIF_TRANS_MTVU",
|
|
"GIF_TRANS_DIRECT",
|
|
"GIF_TRANS_DIRECTHL",
|
|
"GIF_TRANS_DMA",
|
|
"GIF_TRANS_FIFO"
|
|
};
|
|
|
|
enum GIF_PATH_STATE {
|
|
GIF_PATH_IDLE = 0, // Path is idle (hasn't started a GS packet)
|
|
GIF_PATH_PACKED = 1, // Path is on a PACKED gif tag
|
|
GIF_PATH_REGLIST = 2, // Path is on a REGLIST gif tag
|
|
GIF_PATH_IMAGE = 3, // Path is on a IMAGE gif tag
|
|
GIF_PATH_WAIT = 4 // Used only by PATH3 to simulate packet length (Path 3 Masking)
|
|
};
|
|
|
|
enum GIF_FLG {
|
|
GIF_FLG_PACKED = 0,
|
|
GIF_FLG_REGLIST = 1,
|
|
GIF_FLG_IMAGE = 2,
|
|
GIF_FLG_IMAGE2 = 3
|
|
};
|
|
|
|
enum GIF_REG {
|
|
GIF_REG_PRIM = 0x00,
|
|
GIF_REG_RGBA = 0x01,
|
|
GIF_REG_STQ = 0x02,
|
|
GIF_REG_UV = 0x03,
|
|
GIF_REG_XYZF2 = 0x04,
|
|
GIF_REG_XYZ2 = 0x05,
|
|
GIF_REG_TEX0_1 = 0x06,
|
|
GIF_REG_TEX0_2 = 0x07,
|
|
GIF_REG_CLAMP_1 = 0x08,
|
|
GIF_REG_CLAMP_2 = 0x09,
|
|
GIF_REG_FOG = 0x0a,
|
|
GIF_REG_INVALID = 0x0b,
|
|
GIF_REG_XYZF3 = 0x0c,
|
|
GIF_REG_XYZ3 = 0x0d,
|
|
GIF_REG_A_D = 0x0e,
|
|
GIF_REG_NOP = 0x0f,
|
|
};
|
|
|
|
enum gifstate_t {
|
|
GIF_STATE_READY = 0,
|
|
GIF_STATE_EMPTY = 0x10
|
|
};
|
|
|
|
struct gifStruct {
|
|
int gifstate;
|
|
bool gspath3done;
|
|
|
|
u32 gscycles;
|
|
u32 prevcycles;
|
|
u32 mfifocycles;
|
|
u32 gifqwc;
|
|
bool gifmfifoirq;
|
|
};
|
|
|
|
extern __aligned16 gifStruct gif;
|
|
|
|
struct GIF_Fifo
|
|
{
|
|
unsigned int data[64]; //16 QW FIFO
|
|
unsigned int readdata[64]; //16 QW Inline for reading
|
|
int readpos, writepos;
|
|
|
|
int write(u32* pMem, int size);
|
|
int read(bool calledFromDMA = false);
|
|
|
|
void init();
|
|
};
|
|
|
|
extern GIF_Fifo gif_fifo;
|
|
|
|
union tGIF_CTRL
|
|
{
|
|
struct {
|
|
u32 RST : 1;
|
|
u32 reserved1 : 2;
|
|
u32 PSE : 1;
|
|
u32 reserved2 : 28;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_CTRL(u32 val) { _u32 = val; }
|
|
|
|
void write(u32 val) { _u32 = val; }
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"Ctrl: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_MODE
|
|
{
|
|
struct {
|
|
u32 M3R : 1;
|
|
u32 reserved1 : 1;
|
|
u32 IMT : 1;
|
|
u32 reserved2 : 29;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_MODE(u32 val) { _u32 = val; }
|
|
|
|
void write(u32 val) { _u32 = val; }
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"Mode: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_STAT
|
|
{
|
|
struct {
|
|
u32 M3R : 1; // GIF_MODE Mask
|
|
u32 M3P : 1; // VIF PATH3 Mask
|
|
u32 IMT : 1; // Intermittent Transfer Mode
|
|
u32 PSE : 1; // Temporary Transfer Stop
|
|
u32 reserved1 : 1; // ...
|
|
u32 IP3 : 1; // Interrupted PATH3
|
|
u32 P3Q : 1; // PATH3 request Queued
|
|
u32 P2Q : 1; // PATH2 request Queued
|
|
u32 P1Q : 1; // PATH1 request Queued
|
|
u32 OPH : 1; // Output Path (Outputting Data)
|
|
u32 APATH : 2; // Data Transfer Path (In progress)
|
|
u32 DIR : 1; // Transfer Direction
|
|
u32 reserved2 : 11; // ...
|
|
u32 FQC : 5; // QWC in GIF-FIFO
|
|
u32 reserved3 : 3; // ...
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_STAT(u32 val) { _u32 = val; }
|
|
|
|
void write(u32 val) { _u32 = val; }
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"Stat: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_TAG0
|
|
{
|
|
struct {
|
|
u32 NLOOP : 15;
|
|
u32 EOP : 1;
|
|
u32 TAG : 16;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_TAG0(u32 val) { _u32 = val; }
|
|
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"Tag0: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_TAG1
|
|
{
|
|
struct {
|
|
u32 TAG : 14;
|
|
u32 PRE : 1;
|
|
u32 PRIM : 11;
|
|
u32 FLG : 2;
|
|
u32 NREG : 4;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_TAG1(u32 val) { _u32 = val; }
|
|
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"Tag1: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_CNT
|
|
{
|
|
struct {
|
|
u32 LOOPCNT : 15;
|
|
u32 reserved1 : 1;
|
|
u32 REGCNT : 4;
|
|
u32 VUADDR : 2;
|
|
u32 reserved2 : 10;
|
|
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_CNT(u32 val) { _u32 = val; }
|
|
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"CNT: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_P3CNT
|
|
{
|
|
struct {
|
|
u32 P3CNT : 15;
|
|
u32 reserved1 : 17;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_P3CNT(u32 val) { _u32 = val; }
|
|
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"P3CNT: 0x%x", _u32); }
|
|
};
|
|
|
|
union tGIF_P3TAG
|
|
{
|
|
struct {
|
|
u32 LOOPCNT : 15;
|
|
u32 EOP : 1;
|
|
u32 reserved1 : 16;
|
|
};
|
|
u32 _u32;
|
|
|
|
tGIF_P3TAG(u32 val) { _u32 = val; }
|
|
|
|
bool test(u32 flags) { return !!(_u32 & flags); }
|
|
void set_flags(u32 flags) { _u32 |= flags; }
|
|
void clear_flags(u32 flags) { _u32 &= ~flags; }
|
|
void reset() { _u32 = 0; }
|
|
wxString desc() { return wxsFormat(L"P3Tag: 0x%x", _u32); }
|
|
};
|
|
|
|
struct GIFregisters
|
|
{
|
|
tGIF_CTRL ctrl;
|
|
u32 padding[3];
|
|
tGIF_MODE mode;
|
|
u32 padding1[3];
|
|
tGIF_STAT stat;
|
|
u32 padding2[7];
|
|
|
|
tGIF_TAG0 tag0;
|
|
u32 padding3[3];
|
|
tGIF_TAG1 tag1;
|
|
u32 padding4[3];
|
|
u32 tag2;
|
|
u32 padding5[3];
|
|
u32 tag3;
|
|
u32 padding6[3];
|
|
|
|
tGIF_CNT cnt;
|
|
u32 padding7[3];
|
|
tGIF_P3CNT p3cnt;
|
|
u32 padding8[3];
|
|
tGIF_P3TAG p3tag;
|
|
u32 padding9[3];
|
|
};
|
|
|
|
static GIFregisters& gifRegs = (GIFregisters&)eeHw[0x3000];
|
|
|
|
extern void gifInterrupt();
|
|
extern int _GIFchain();
|
|
extern void GIFdma();
|
|
extern void dmaGIF();
|
|
extern void mfifoGIFtransfer();
|
|
extern void gifMFIFOInterrupt();
|
|
extern void clearFIFOstuff(bool full);
|