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 // this can't be __stdcall like it was in PSEmu API as too many functions are mixed up
  19 #undef CALLBACK
  20 #define CALLBACK
  21
  22 static long CALLBACK dummy_func() {
  23         return 0;
  24 }
  25
  26 /* SPU */
  27 extern long CALLBACK SPUopen(void);
  28 extern long CALLBACK SPUinit(void);
  29 extern long CALLBACK SPUshutdown(void);
  30 extern long CALLBACK SPUclose(void);
  31 extern void CALLBACK SPUplaySample(unsigned char);
  32 extern void CALLBACK SPUwriteRegister(unsigned long, unsigned short, unsigned int);
  33 extern unsigned short CALLBACK SPUreadRegister(unsigned long);
  34 extern void CALLBACK SPUwriteDMA(unsigned short);
  35 extern unsigned short CALLBACK SPUreadDMA(void);
  36 extern void CALLBACK SPUwriteDMAMem(unsigned short *, int, unsigned int);
  37 extern void CALLBACK SPUreadDMAMem(unsigned short *, int, unsigned int);
  38 extern void CALLBACK SPUplayADPCMchannel(void *, unsigned int, int);
  39 extern void CALLBACK SPUregisterCallback(void (*cb)(void));
  40 extern void CALLBACK SPUregisterScheduleCb(void (*cb)(unsigned int));
  41 extern long CALLBACK SPUconfigure(void);
  42 extern long CALLBACK SPUtest(void);
  43 extern void CALLBACK SPUabout(void);
  44 extern long CALLBACK SPUfreeze(unsigned int, void *, unsigned int);
  45 extern void CALLBACK SPUasync(unsigned int, unsigned int);
  46 extern int  CALLBACK SPUplayCDDAchannel(short *, int, unsigned int, int);
  47
  48 /* PAD */
  49 static long CALLBACK PADreadPort1(PadDataS *pad)
  50 {
  51         pad->controllerType = in_type[0];
  52         pad->buttonStatus = ~in_keystate[0];
  53         if (in_type[0] == PSE_PAD_TYPE_ANALOGPAD) {
  54                 pad->leftJoyX = in_analog_left[0][0];
  55                 pad->leftJoyY = in_analog_left[0][1];
  56                 pad->rightJoyX = in_analog_right[0][0];
  57                 pad->rightJoyY = in_analog_right[0][1];
  58         }
  59         return 0;
  60 }
  61
  62 static long CALLBACK PADreadPort2(PadDataS *pad)
  63 {
  64         pad->controllerType = in_type[1];
  65         pad->buttonStatus = ~in_keystate[0] >> 16;
  66         return 0;
  67 }
  68
  69 /* GPU */
  70 extern long GPUopen(unsigned long *, char *, char *);
  71 extern long GPUinit(void);
  72 extern long GPUshutdown(void);
  73 extern long GPUclose(void);
  74 extern void GPUwriteStatus(uint32_t);
  75 extern void GPUwriteData(uint32_t);
  76 extern void GPUwriteDataMem(uint32_t *, int);
  77 extern uint32_t GPUreadStatus(void);
  78 extern uint32_t GPUreadData(void);
  79 extern void GPUreadDataMem(uint32_t *, int);
  80 extern long GPUdmaChain(uint32_t *,uint32_t);
  81 extern void GPUupdateLace(void);
  82 extern long GPUfreeze(uint32_t, void *);
  83 extern void GPUvBlank(int, int);
  84 extern void GPUrearmedCallbacks(const struct rearmed_cbs *cbs);
  85
  86
  87 #define DUMMY(id, name) \
  88         { id, #name, dummy_func }
  89
  90 #define DIRECT(id, name) \
  91         { id, #name, name }
  92
  93 #define DUMMY_GPU(name)  DUMMY(PLUGIN_GPU, name)
  94 #define DUMMY_CDR(name)  DUMMY(PLUGIN_CDR, name)
  95 #define DUMMY_PAD(name)  DUMMY(PLUGIN_PAD, name)
  96 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
  97 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
  98 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
  99
 100 static const struct {
 101         int id;
 102         const char *name;
 103         void *func;
 104 } plugin_funcs[] = {
 105         /* CDR */
 106         DUMMY_CDR(CDRinit),
 107         DUMMY_CDR(CDRshutdown),
 108         DUMMY_CDR(CDRopen),
 109         DUMMY_CDR(CDRclose),
 110         DUMMY_CDR(CDRtest),
 111         DUMMY_CDR(CDRgetTN),
 112         DUMMY_CDR(CDRgetTD),
 113         DUMMY_CDR(CDRreadTrack),
 114         DUMMY_CDR(CDRgetBuffer),
 115         DUMMY_CDR(CDRgetBufferSub),
 116         DUMMY_CDR(CDRplay),
 117         DUMMY_CDR(CDRstop),
 118         DUMMY_CDR(CDRgetStatus),
 119         DUMMY_CDR(CDRgetDriveLetter),
 120         DUMMY_CDR(CDRconfigure),
 121         DUMMY_CDR(CDRabout),
 122         DUMMY_CDR(CDRsetfilename),
 123         DUMMY_CDR(CDRreadCDDA),
 124         DUMMY_CDR(CDRgetTE),
 125         /* SPU */
 126         DIRECT_SPU(SPUconfigure),
 127         DIRECT_SPU(SPUabout),
 128         DIRECT_SPU(SPUinit),
 129         DIRECT_SPU(SPUshutdown),
 130         DIRECT_SPU(SPUtest),
 131         DIRECT_SPU(SPUopen),
 132         DIRECT_SPU(SPUclose),
 133 //      DIRECT_SPU(SPUplaySample), // unused?
 134         DIRECT_SPU(SPUwriteRegister),
 135         DIRECT_SPU(SPUreadRegister),
 136         DIRECT_SPU(SPUwriteDMA),
 137         DIRECT_SPU(SPUreadDMA),
 138         DIRECT_SPU(SPUwriteDMAMem),
 139         DIRECT_SPU(SPUreadDMAMem),
 140         DIRECT_SPU(SPUplayADPCMchannel),
 141         DIRECT_SPU(SPUfreeze),
 142         DIRECT_SPU(SPUregisterCallback),
 143         DIRECT_SPU(SPUregisterScheduleCb),
 144         DIRECT_SPU(SPUasync),
 145         DIRECT_SPU(SPUplayCDDAchannel),
 146         /* PAD */
 147         DUMMY_PAD(PADinit),
 148         DUMMY_PAD(PADshutdown),
 149         DUMMY_PAD(PADopen),
 150         DUMMY_PAD(PADclose),
 151         DUMMY_PAD(PADsetSensitive),
 152         DIRECT_PAD(PADreadPort1),
 153         DIRECT_PAD(PADreadPort2),
 154 /*
 155         DUMMY_PAD(PADquery),
 156         DUMMY_PAD(PADconfigure),
 157         DUMMY_PAD(PADtest),
 158         DUMMY_PAD(PADabout),
 159         DUMMY_PAD(PADkeypressed),
 160         DUMMY_PAD(PADstartPoll),
 161         DUMMY_PAD(PADpoll),
 162 */
 163         /* GPU */
 164         DIRECT_GPU(GPUupdateLace),
 165         DIRECT_GPU(GPUinit),
 166         DIRECT_GPU(GPUshutdown),
 167         DIRECT_GPU(GPUopen),
 168         DIRECT_GPU(GPUclose),
 169         DIRECT_GPU(GPUreadStatus),
 170         DIRECT_GPU(GPUreadData),
 171         DIRECT_GPU(GPUreadDataMem),
 172         DIRECT_GPU(GPUwriteStatus),
 173         DIRECT_GPU(GPUwriteData),
 174         DIRECT_GPU(GPUwriteDataMem),
 175         DIRECT_GPU(GPUdmaChain),
 176         DIRECT_GPU(GPUfreeze),
 177         DIRECT_GPU(GPUvBlank),
 178         DIRECT_GPU(GPUrearmedCallbacks),
 179
 180         DUMMY_GPU(GPUdisplayText),
 181 /*
 182         DIRECT_GPU(GPUkeypressed),
 183         DIRECT_GPU(GPUmakeSnapshot),
 184         DIRECT_GPU(GPUconfigure),
 185         DIRECT_GPU(GPUtest),
 186         DIRECT_GPU(GPUabout),
 187         DIRECT_GPU(GPUgetScreenPic),
 188         DIRECT_GPU(GPUshowScreenPic),
 189 */
 190 };
 191
 192 void *plugin_link(enum builtint_plugins_e id, const char *sym)
 193 {
 194         int i;
 195
 196         if (id == PLUGIN_CDRCIMG)
 197                 return cdrcimg_get_sym(sym);
 198
 199         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
 200                 if (id != plugin_funcs[i].id)
 201                         continue;
 202
 203                 if (strcmp(sym, plugin_funcs[i].name) != 0)
 204                         continue;
 205
 206                 return plugin_funcs[i].func;
 207         }
 208
 209         //fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
 210         return NULL;
 211 }
 212
 213 void plugin_call_rearmed_cbs(void)
 214 {
 215         extern void *hGPUDriver;
 216         void (*rearmed_set_cbs)(const struct rearmed_cbs *cbs);
 217
 218         rearmed_set_cbs = SysLoadSym(hGPUDriver, "GPUrearmedCallbacks");
 219         if (rearmed_set_cbs != NULL)
 220                 rearmed_set_cbs(&pl_rearmed_cbs);
 221 }
 222
 223 #ifdef PCNT
 224
 225 /* basic profile stuff */
 226 #include "pcnt.h"
 227
 228 unsigned int pcounters[PCNT_CNT];
 229 unsigned int pcounter_starts[PCNT_CNT];
 230
 231 #define pc_hook_func(name, args, pargs, cnt) \
 232 extern void (*name) args; \
 233 static void (*o_##name) args; \
 234 static void w_##name args \
 235 { \
 236         unsigned int pc_start = pcnt_get(); \
 237         o_##name pargs; \
 238         pcounters[cnt] += pcnt_get() - pc_start; \
 239 }
 240
 241 #define pc_hook_func_ret(retn, name, args, pargs, cnt) \
 242 extern retn (*name) args; \
 243 static retn (*o_##name) args; \
 244 static retn w_##name args \
 245 { \
 246         retn ret; \
 247         unsigned int pc_start = pcnt_get(); \
 248         ret = o_##name pargs; \
 249         pcounters[cnt] += pcnt_get() - pc_start; \
 250         return ret; \
 251 }
 252
 253 pc_hook_func              (GPU_writeStatus, (uint32_t a0), (a0), PCNT_GPU)
 254 pc_hook_func              (GPU_writeData, (uint32_t a0), (a0), PCNT_GPU)
 255 pc_hook_func              (GPU_writeDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 256 pc_hook_func_ret(uint32_t, GPU_readStatus, (void), (), PCNT_GPU)
 257 pc_hook_func_ret(uint32_t, GPU_readData, (void), (), PCNT_GPU)
 258 pc_hook_func              (GPU_readDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 259 pc_hook_func_ret(long,     GPU_dmaChain, (uint32_t *a0, int32_t a1), (a0, a1), PCNT_GPU)
 260 pc_hook_func              (GPU_updateLace, (void), (), PCNT_GPU)
 261
 262 pc_hook_func              (SPU_writeRegister, (unsigned long a0, unsigned short a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 263 pc_hook_func_ret(unsigned short,SPU_readRegister, (unsigned long a0), (a0), PCNT_SPU)
 264 pc_hook_func              (SPU_writeDMA, (unsigned short a0), (a0), PCNT_SPU)
 265 pc_hook_func_ret(unsigned short,SPU_readDMA, (void), (), PCNT_SPU)
 266 pc_hook_func              (SPU_writeDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 267 pc_hook_func              (SPU_readDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 268 pc_hook_func              (SPU_playADPCMchannel, (void *a0, unsigned int a1, int a2), (a0, a1, a2), PCNT_SPU)
 269 pc_hook_func              (SPU_async, (uint32_t a0, uint32_t a1), (a0, a1), PCNT_SPU)
 270 pc_hook_func_ret(int,      SPU_playCDDAchannel, (short *a0, int a1, unsigned int a2, int a3), (a0, a1, a2, a3), PCNT_SPU)
 271
 272 #define hook_it(name) { \
 273         o_##name = name; \
 274         name = w_##name; \
 275 }
 276
 277 void pcnt_hook_plugins(void)
 278 {
 279         pcnt_init();
 280
 281         hook_it(GPU_writeStatus);
 282         hook_it(GPU_writeData);
 283         hook_it(GPU_writeDataMem);
 284         hook_it(GPU_readStatus);
 285         hook_it(GPU_readData);
 286         hook_it(GPU_readDataMem);
 287         hook_it(GPU_dmaChain);
 288         hook_it(GPU_updateLace);
 289         hook_it(SPU_writeRegister);
 290         hook_it(SPU_readRegister);
 291         hook_it(SPU_writeDMA);
 292         hook_it(SPU_readDMA);
 293         hook_it(SPU_writeDMAMem);
 294         hook_it(SPU_readDMAMem);
 295         hook_it(SPU_playADPCMchannel);
 296         hook_it(SPU_async);
 297         hook_it(SPU_playCDDAchannel);
 298 }
 299
 300 // hooked into recompiler
 301 void pcnt_gte_start(int op)
 302 {
 303         pcnt_start(PCNT_GTE);
 304 }
 305
 306 void pcnt_gte_end(int op)
 307 {
 308         pcnt_end(PCNT_GTE);
 309 }
 310
 311 #endif