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[pcsx_rearmed.git] / frontend / plugin.c
1 /*
2  * (C) notaz, 2010
3  *
4  * This work is licensed under the terms of the GNU GPLv2 or later.
5  * See the COPYING file in the top-level directory.
6  */
7
8 #include <stdio.h>
9 #include <string.h>
10 #include <stdint.h>
11
12 #include "plugin_lib.h"
13 #include "plugin.h"
14 #include "psemu_plugin_defs.h"
15 #include "../libpcsxcore/system.h"
16 #include "../plugins/cdrcimg/cdrcimg.h"
17
18 #ifndef _WIN32
19 #define CALLBACK
20 #else
21 #define WIN32_LEAN_AND_MEAN
22 #include <windows.h>
23 #endif
24
25 static int dummy_func() {
26         return 0;
27 }
28
29 /* SPU */
30 extern long CALLBACK SPUopen(void);
31 extern long CALLBACK SPUinit(void);
32 extern long CALLBACK SPUshutdown(void);
33 extern long CALLBACK SPUclose(void);
34 extern void CALLBACK SPUplaySample(unsigned char);
35 extern void CALLBACK SPUwriteRegister(unsigned long, unsigned short, unsigned int);
36 extern unsigned short CALLBACK SPUreadRegister(unsigned long);
37 extern void CALLBACK SPUwriteDMA(unsigned short);
38 extern unsigned short CALLBACK SPUreadDMA(void);
39 extern void CALLBACK SPUwriteDMAMem(unsigned short *, int, unsigned int);
40 extern void CALLBACK SPUreadDMAMem(unsigned short *, int, unsigned int);
41 extern void CALLBACK SPUplayADPCMchannel(void *);
42 extern void CALLBACK SPUregisterCallback(void (*cb)(void));
43 extern void CALLBACK SPUregisterScheduleCb(void (*cb)(unsigned int));
44 extern long CALLBACK SPUconfigure(void);
45 extern long CALLBACK SPUtest(void);
46 extern void CALLBACK SPUabout(void);
47 extern long CALLBACK SPUfreeze(unsigned int, void *, unsigned int);
48 extern void CALLBACK SPUasync(unsigned int, unsigned int);
49 extern int  CALLBACK SPUplayCDDAchannel(short *, int);
50
51 /* PAD */
52 static long PADreadPort1(PadDataS *pad, int pad_index) {
53     pad->controllerType = in_type[pad_index];
54     pad->buttonStatus = ~in_keystate[pad_index];
55     if (multitap1 == 1)
56         pad->portMultitap = 1;
57     else
58         pad->portMultitap = 0;
59     
60     if (in_type[pad_index] == PSE_PAD_TYPE_ANALOGPAD || in_type[pad_index] == PSE_PAD_TYPE_NEGCON)
61     {
62         pad->leftJoyX = in_analog_left[pad_index][0];
63         pad->leftJoyY = in_analog_left[pad_index][1];
64         pad->rightJoyX = in_analog_right[pad_index][0];
65         pad->rightJoyY = in_analog_right[pad_index][1];
66     }
67     return 0;
68 }
69
70 static long PADreadPort2(PadDataS *pad, int pad_index) {
71     /* Temporary hack to avoid segfault when pad_index is a crazy number */
72     if (pad_index <= 1 || pad_index > 8) {
73         pad_index = 1;
74     }
75
76     pad->controllerType = in_type[pad_index];
77     pad->buttonStatus = ~in_keystate[pad_index];
78     if (multitap2 ==1 )
79         pad->portMultitap = 2;
80     else
81         pad->portMultitap = 0;
82     
83     if (in_type[pad_index] == PSE_PAD_TYPE_ANALOGPAD || in_type[pad_index] == PSE_PAD_TYPE_NEGCON)
84     {
85         pad->leftJoyX = in_analog_left[pad_index][0];
86         pad->leftJoyY = in_analog_left[pad_index][1];
87         pad->rightJoyX = in_analog_right[pad_index][0];
88         pad->rightJoyY = in_analog_right[pad_index][1];
89     }
90     return 0;
91 }
92
93 /* GPU */
94 extern long GPUopen(unsigned long *, char *, char *);
95 extern long GPUinit(void);
96 extern long GPUshutdown(void);
97 extern long GPUclose(void);
98 extern void GPUwriteStatus(uint32_t);
99 extern void GPUwriteData(uint32_t);
100 extern void GPUwriteDataMem(uint32_t *, int);
101 extern uint32_t GPUreadStatus(void);
102 extern uint32_t GPUreadData(void);
103 extern void GPUreadDataMem(uint32_t *, int);
104 extern long GPUdmaChain(uint32_t *,uint32_t);
105 extern void GPUupdateLace(void);
106 extern long GPUfreeze(uint32_t, void *);
107 extern void GPUvBlank(int, int);
108 extern void GPUrearmedCallbacks(const struct rearmed_cbs *cbs);
109
110
111 #define DUMMY(id, name) \
112         { id, #name, dummy_func }
113
114 #define DIRECT(id, name) \
115         { id, #name, name }
116
117 #define DUMMY_GPU(name)  DUMMY(PLUGIN_GPU, name)
118 #define DUMMY_CDR(name)  DUMMY(PLUGIN_CDR, name)
119 #define DUMMY_PAD(name)  DUMMY(PLUGIN_PAD, name)
120 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
121 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
122 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
123
124 static const struct {
125         int id;
126         const char *name;
127         void *func;
128 } plugin_funcs[] = {
129         /* CDR */
130         DUMMY_CDR(CDRinit),
131         DUMMY_CDR(CDRshutdown),
132         DUMMY_CDR(CDRopen),
133         DUMMY_CDR(CDRclose),
134         DUMMY_CDR(CDRtest),
135         DUMMY_CDR(CDRgetTN),
136         DUMMY_CDR(CDRgetTD),
137         DUMMY_CDR(CDRreadTrack),
138         DUMMY_CDR(CDRgetBuffer),
139         DUMMY_CDR(CDRgetBufferSub),
140         DUMMY_CDR(CDRplay),
141         DUMMY_CDR(CDRstop),
142         DUMMY_CDR(CDRgetStatus),
143         DUMMY_CDR(CDRgetDriveLetter),
144         DUMMY_CDR(CDRconfigure),
145         DUMMY_CDR(CDRabout),
146         DUMMY_CDR(CDRsetfilename),
147         DUMMY_CDR(CDRreadCDDA),
148         DUMMY_CDR(CDRgetTE),
149         /* SPU */
150         DIRECT_SPU(SPUconfigure),
151         DIRECT_SPU(SPUabout),
152         DIRECT_SPU(SPUinit),
153         DIRECT_SPU(SPUshutdown),
154         DIRECT_SPU(SPUtest),
155         DIRECT_SPU(SPUopen),
156         DIRECT_SPU(SPUclose),
157 //      DIRECT_SPU(SPUplaySample), // unused?
158         DIRECT_SPU(SPUwriteRegister),
159         DIRECT_SPU(SPUreadRegister),
160         DIRECT_SPU(SPUwriteDMA),
161         DIRECT_SPU(SPUreadDMA),
162         DIRECT_SPU(SPUwriteDMAMem),
163         DIRECT_SPU(SPUreadDMAMem),
164         DIRECT_SPU(SPUplayADPCMchannel),
165         DIRECT_SPU(SPUfreeze),
166         DIRECT_SPU(SPUregisterCallback),
167         DIRECT_SPU(SPUregisterScheduleCb),
168         DIRECT_SPU(SPUasync),
169         DIRECT_SPU(SPUplayCDDAchannel),
170         /* PAD */
171         DUMMY_PAD(PADinit),
172         DUMMY_PAD(PADshutdown),
173         DUMMY_PAD(PADopen),
174         DUMMY_PAD(PADclose),
175         DUMMY_PAD(PADsetSensitive),
176         DIRECT_PAD(PADreadPort1),
177         DIRECT_PAD(PADreadPort2),
178 /*
179         DUMMY_PAD(PADquery),
180         DUMMY_PAD(PADconfigure),
181         DUMMY_PAD(PADtest),
182         DUMMY_PAD(PADabout),
183         DUMMY_PAD(PADkeypressed),
184         DUMMY_PAD(PADstartPoll),
185         DUMMY_PAD(PADpoll),
186 */
187         /* GPU */
188         DIRECT_GPU(GPUupdateLace),
189         DIRECT_GPU(GPUinit),
190         DIRECT_GPU(GPUshutdown),
191         DIRECT_GPU(GPUopen),
192         DIRECT_GPU(GPUclose),
193         DIRECT_GPU(GPUreadStatus),
194         DIRECT_GPU(GPUreadData),
195         DIRECT_GPU(GPUreadDataMem),
196         DIRECT_GPU(GPUwriteStatus),
197         DIRECT_GPU(GPUwriteData),
198         DIRECT_GPU(GPUwriteDataMem),
199         DIRECT_GPU(GPUdmaChain),
200         DIRECT_GPU(GPUfreeze),
201         DIRECT_GPU(GPUvBlank),
202         DIRECT_GPU(GPUrearmedCallbacks),
203
204         DUMMY_GPU(GPUdisplayText),
205 /*
206         DIRECT_GPU(GPUkeypressed),
207         DIRECT_GPU(GPUmakeSnapshot),
208         DIRECT_GPU(GPUconfigure),
209         DIRECT_GPU(GPUtest),
210         DIRECT_GPU(GPUabout),
211         DIRECT_GPU(GPUgetScreenPic),
212         DIRECT_GPU(GPUshowScreenPic),
213 */
214 //      DIRECT_GPU(GPUclearDynarec),
215 };
216
217 void *plugin_link(enum builtint_plugins_e id, const char *sym)
218 {
219         int i;
220
221         if (id == PLUGIN_CDRCIMG)
222                 return cdrcimg_get_sym(sym);
223
224         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
225                 if (id != plugin_funcs[i].id)
226                         continue;
227
228                 if (strcmp(sym, plugin_funcs[i].name) != 0)
229                         continue;
230
231                 return plugin_funcs[i].func;
232         }
233
234         //fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
235         return NULL;
236 }
237
238 void plugin_call_rearmed_cbs(void)
239 {
240         extern void *hGPUDriver;
241         void (*rearmed_set_cbs)(const struct rearmed_cbs *cbs);
242
243         rearmed_set_cbs = SysLoadSym(hGPUDriver, "GPUrearmedCallbacks");
244         if (rearmed_set_cbs != NULL)
245                 rearmed_set_cbs(&pl_rearmed_cbs);
246 }
247
248 #ifdef PCNT
249
250 /* basic profile stuff */
251 #include "pcnt.h"
252
253 unsigned int pcounters[PCNT_CNT];
254 unsigned int pcounter_starts[PCNT_CNT];
255
256 #define pc_hook_func(name, args, pargs, cnt) \
257 extern void (*name) args; \
258 static void (*o_##name) args; \
259 static void w_##name args \
260 { \
261         unsigned int pc_start = pcnt_get(); \
262         o_##name pargs; \
263         pcounters[cnt] += pcnt_get() - pc_start; \
264 }
265
266 #define pc_hook_func_ret(retn, name, args, pargs, cnt) \
267 extern retn (*name) args; \
268 static retn (*o_##name) args; \
269 static retn w_##name args \
270 { \
271         retn ret; \
272         unsigned int pc_start = pcnt_get(); \
273         ret = o_##name pargs; \
274         pcounters[cnt] += pcnt_get() - pc_start; \
275         return ret; \
276 }
277
278 pc_hook_func              (GPU_writeStatus, (uint32_t a0), (a0), PCNT_GPU)
279 pc_hook_func              (GPU_writeData, (uint32_t a0), (a0), PCNT_GPU)
280 pc_hook_func              (GPU_writeDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
281 pc_hook_func_ret(uint32_t, GPU_readStatus, (void), (), PCNT_GPU)
282 pc_hook_func_ret(uint32_t, GPU_readData, (void), (), PCNT_GPU)
283 pc_hook_func              (GPU_readDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
284 pc_hook_func_ret(long,     GPU_dmaChain, (uint32_t *a0, int32_t a1), (a0, a1), PCNT_GPU)
285 pc_hook_func              (GPU_updateLace, (void), (), PCNT_GPU)
286
287 pc_hook_func              (SPU_writeRegister, (unsigned long a0, unsigned short a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
288 pc_hook_func_ret(unsigned short,SPU_readRegister, (unsigned long a0), (a0), PCNT_SPU)
289 pc_hook_func              (SPU_writeDMA, (unsigned short a0), (a0), PCNT_SPU)
290 pc_hook_func_ret(unsigned short,SPU_readDMA, (void), (), PCNT_SPU)
291 pc_hook_func              (SPU_writeDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
292 pc_hook_func              (SPU_readDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
293 pc_hook_func              (SPU_playADPCMchannel, (void *a0), (a0), PCNT_SPU)
294 pc_hook_func              (SPU_async, (uint32_t a0, uint32_t a1), (a0, a1), PCNT_SPU)
295 pc_hook_func_ret(int,      SPU_playCDDAchannel, (short *a0, int a1), (a0, a1), PCNT_SPU)
296
297 #define hook_it(name) { \
298         o_##name = name; \
299         name = w_##name; \
300 }
301
302 void pcnt_hook_plugins(void)
303 {
304         pcnt_init();
305
306         hook_it(GPU_writeStatus);
307         hook_it(GPU_writeData);
308         hook_it(GPU_writeDataMem);
309         hook_it(GPU_readStatus);
310         hook_it(GPU_readData);
311         hook_it(GPU_readDataMem);
312         hook_it(GPU_dmaChain);
313         hook_it(GPU_updateLace);
314         hook_it(SPU_writeRegister);
315         hook_it(SPU_readRegister);
316         hook_it(SPU_writeDMA);
317         hook_it(SPU_readDMA);
318         hook_it(SPU_writeDMAMem);
319         hook_it(SPU_readDMAMem);
320         hook_it(SPU_playADPCMchannel);
321         hook_it(SPU_async);
322         hook_it(SPU_playCDDAchannel);
323 }
324
325 // hooked into recompiler
326 void pcnt_gte_start(int op)
327 {
328         pcnt_start(PCNT_GTE);
329 }
330
331 void pcnt_gte_end(int op)
332 {
333         pcnt_end(PCNT_GTE);
334 }
335
336 #endif