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 "../libpcsxcore/psxcommon.h"
  17 #include "../plugins/cdrcimg/cdrcimg.h"
  18
  19 // this can't be __stdcall like it was in PSEmu API as too many functions are mixed up
  20 #undef CALLBACK
  21 #define CALLBACK
  22
  23 /* CDR */
  24 struct CdrStat;
  25 static long CALLBACK CDRinit(void) { return 0; }
  26 static long CALLBACK CDRshutdown(void) { return 0; }
  27 static long CALLBACK CDRopen(void) { return 0; }
  28 static long CALLBACK CDRclose(void) { return 0; }
  29 static long CALLBACK CDRgetTN(unsigned char *_) { return 0; }
  30 static long CALLBACK CDRgetTD(unsigned char _, unsigned char *__) { return 0; }
  31 static boolean CALLBACK CDRreadTrack(unsigned char *_) { return FALSE; }
  32 static unsigned char * CALLBACK CDRgetBuffer(void) { return NULL; }
  33 static unsigned char * CALLBACK CDRgetBufferSub(int sector) { return NULL; }
  34 static long CALLBACK CDRconfigure(void) { return 0; }
  35 static long CALLBACK CDRtest(void) { return 0; }
  36 static void CALLBACK CDRabout(void) { return; }
  37 static long CALLBACK CDRplay(unsigned char *_) { return 0; }
  38 static long CALLBACK CDRstop(void) { return 0; }
  39 static long CALLBACK CDRsetfilename(char *_) { return 0; }
  40 static long CALLBACK CDRgetStatus(struct CdrStat *_) { return 0; }
  41 static char * CALLBACK CDRgetDriveLetter(void) { return NULL; }
  42 static long CALLBACK CDRreadCDDA(unsigned char _, unsigned char __, unsigned char ___, unsigned char *____) { return 0; }
  43 static long CALLBACK CDRgetTE(unsigned char _, unsigned char *__, unsigned char *___, unsigned char *____) { return 0; }
  44
  45 /* GPU */
  46 static void CALLBACK GPUdisplayText(char *_) { return; }
  47
  48 /* SPU */
  49 extern long CALLBACK SPUopen(void);
  50 extern long CALLBACK SPUinit(void);
  51 extern long CALLBACK SPUshutdown(void);
  52 extern long CALLBACK SPUclose(void);
  53 extern void CALLBACK SPUwriteRegister(unsigned long, unsigned short, unsigned int);
  54 extern unsigned short CALLBACK SPUreadRegister(unsigned long);
  55 extern void CALLBACK SPUwriteDMAMem(unsigned short *, int, unsigned int);
  56 extern void CALLBACK SPUreadDMAMem(unsigned short *, int, unsigned int);
  57 extern void CALLBACK SPUplayADPCMchannel(void *, unsigned int, int);
  58 extern void CALLBACK SPUregisterCallback(void (*cb)(void));
  59 extern void CALLBACK SPUregisterScheduleCb(void (*cb)(unsigned int));
  60 extern long CALLBACK SPUfreeze(unsigned int, void *, unsigned int);
  61 extern void CALLBACK SPUasync(unsigned int, unsigned int);
  62 extern int  CALLBACK SPUplayCDDAchannel(short *, int, unsigned int, int);
  63
  64 /* PAD */
  65 static long CALLBACK PADinit(long _) { return 0; }
  66 static long CALLBACK PADopen(unsigned long *_) { return 0; }
  67 static long CALLBACK PADshutdown(void) { return 0; }
  68 static long CALLBACK PADclose(void) { return 0; }
  69 static void CALLBACK PADsetSensitive(int _) { return; }
  70
  71 static long CALLBACK PADreadPort1(PadDataS *pad)
  72 {
  73         pad->controllerType = in_type[0];
  74         pad->buttonStatus = ~in_keystate[0];
  75         if (in_type[0] == PSE_PAD_TYPE_ANALOGPAD) {
  76                 pad->leftJoyX = in_analog_left[0][0];
  77                 pad->leftJoyY = in_analog_left[0][1];
  78                 pad->rightJoyX = in_analog_right[0][0];
  79                 pad->rightJoyY = in_analog_right[0][1];
  80         }
  81         return 0;
  82 }
  83
  84 static long CALLBACK PADreadPort2(PadDataS *pad)
  85 {
  86         pad->controllerType = in_type[1];
  87         pad->buttonStatus = ~in_keystate[0] >> 16;
  88         return 0;
  89 }
  90
  91 /* GPU */
  92 extern long GPUopen(unsigned long *, char *, char *);
  93 extern long GPUinit(void);
  94 extern long GPUshutdown(void);
  95 extern long GPUclose(void);
  96 extern void GPUwriteStatus(uint32_t);
  97 extern void GPUwriteData(uint32_t);
  98 extern void GPUwriteDataMem(uint32_t *, int);
  99 extern uint32_t GPUreadStatus(void);
 100 extern uint32_t GPUreadData(void);
 101 extern void GPUreadDataMem(uint32_t *, int);
 102 extern long GPUdmaChain(uint32_t *,uint32_t);
 103 extern void GPUupdateLace(void);
 104 extern long GPUfreeze(uint32_t, void *);
 105 extern void GPUvBlank(int, int);
 106 extern void GPUrearmedCallbacks(const struct rearmed_cbs *cbs);
 107
 108
 109 #define DIRECT(id, name) \
 110         { id, #name, name }
 111
 112 #define DIRECT_CDR(name) DIRECT(PLUGIN_CDR, name)
 113 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
 114 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
 115 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
 116
 117 static const struct {
 118         int id;
 119         const char *name;
 120         void *func;
 121 } plugin_funcs[] = {
 122         /* CDR */
 123         DIRECT_CDR(CDRinit),
 124         DIRECT_CDR(CDRshutdown),
 125         DIRECT_CDR(CDRopen),
 126         DIRECT_CDR(CDRclose),
 127         DIRECT_CDR(CDRtest),
 128         DIRECT_CDR(CDRgetTN),
 129         DIRECT_CDR(CDRgetTD),
 130         DIRECT_CDR(CDRreadTrack),
 131         DIRECT_CDR(CDRgetBuffer),
 132         DIRECT_CDR(CDRgetBufferSub),
 133         DIRECT_CDR(CDRplay),
 134         DIRECT_CDR(CDRstop),
 135         DIRECT_CDR(CDRgetStatus),
 136         DIRECT_CDR(CDRgetDriveLetter),
 137         DIRECT_CDR(CDRconfigure),
 138         DIRECT_CDR(CDRabout),
 139         DIRECT_CDR(CDRsetfilename),
 140         DIRECT_CDR(CDRreadCDDA),
 141         DIRECT_CDR(CDRgetTE),
 142         /* SPU */
 143         DIRECT_SPU(SPUinit),
 144         DIRECT_SPU(SPUshutdown),
 145         DIRECT_SPU(SPUopen),
 146         DIRECT_SPU(SPUclose),
 147         DIRECT_SPU(SPUwriteRegister),
 148         DIRECT_SPU(SPUreadRegister),
 149         DIRECT_SPU(SPUwriteDMAMem),
 150         DIRECT_SPU(SPUreadDMAMem),
 151         DIRECT_SPU(SPUplayADPCMchannel),
 152         DIRECT_SPU(SPUfreeze),
 153         DIRECT_SPU(SPUregisterCallback),
 154         DIRECT_SPU(SPUregisterScheduleCb),
 155         DIRECT_SPU(SPUasync),
 156         DIRECT_SPU(SPUplayCDDAchannel),
 157         /* PAD */
 158         DIRECT_PAD(PADinit),
 159         DIRECT_PAD(PADshutdown),
 160         DIRECT_PAD(PADopen),
 161         DIRECT_PAD(PADclose),
 162         DIRECT_PAD(PADsetSensitive),
 163         DIRECT_PAD(PADreadPort1),
 164         DIRECT_PAD(PADreadPort2),
 165 /*
 166         DIRECT_PAD(PADquery),
 167         DIRECT_PAD(PADconfigure),
 168         DIRECT_PAD(PADtest),
 169         DIRECT_PAD(PADabout),
 170         DIRECT_PAD(PADkeypressed),
 171         DIRECT_PAD(PADstartPoll),
 172         DIRECT_PAD(PADpoll),
 173 */
 174         /* GPU */
 175         DIRECT_GPU(GPUupdateLace),
 176         DIRECT_GPU(GPUinit),
 177         DIRECT_GPU(GPUshutdown),
 178         DIRECT_GPU(GPUopen),
 179         DIRECT_GPU(GPUclose),
 180         DIRECT_GPU(GPUreadStatus),
 181         DIRECT_GPU(GPUreadData),
 182         DIRECT_GPU(GPUreadDataMem),
 183         DIRECT_GPU(GPUwriteStatus),
 184         DIRECT_GPU(GPUwriteData),
 185         DIRECT_GPU(GPUwriteDataMem),
 186         DIRECT_GPU(GPUdmaChain),
 187         DIRECT_GPU(GPUfreeze),
 188         DIRECT_GPU(GPUvBlank),
 189         DIRECT_GPU(GPUrearmedCallbacks),
 190
 191         DIRECT_GPU(GPUdisplayText),
 192 /*
 193         DIRECT_GPU(GPUkeypressed),
 194         DIRECT_GPU(GPUmakeSnapshot),
 195         DIRECT_GPU(GPUconfigure),
 196         DIRECT_GPU(GPUtest),
 197         DIRECT_GPU(GPUabout),
 198         DIRECT_GPU(GPUgetScreenPic),
 199         DIRECT_GPU(GPUshowScreenPic),
 200 */
 201 };
 202
 203 void *plugin_link(enum builtint_plugins_e id, const char *sym)
 204 {
 205         int i;
 206
 207         if (id == PLUGIN_CDRCIMG)
 208                 return cdrcimg_get_sym(sym);
 209
 210         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
 211                 if (id != plugin_funcs[i].id)
 212                         continue;
 213
 214                 if (strcmp(sym, plugin_funcs[i].name) != 0)
 215                         continue;
 216
 217                 return plugin_funcs[i].func;
 218         }
 219
 220         //fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
 221         return NULL;
 222 }
 223
 224 void plugin_call_rearmed_cbs(void)
 225 {
 226         extern void *hGPUDriver;
 227         void (*rearmed_set_cbs)(const struct rearmed_cbs *cbs);
 228
 229         rearmed_set_cbs = SysLoadSym(hGPUDriver, "GPUrearmedCallbacks");
 230         if (rearmed_set_cbs != NULL)
 231                 rearmed_set_cbs(&pl_rearmed_cbs);
 232 }
 233
 234 #ifdef PCNT
 235
 236 /* basic profile stuff */
 237 #include "pcnt.h"
 238
 239 unsigned int pcounters[PCNT_CNT];
 240 unsigned int pcounter_starts[PCNT_CNT];
 241
 242 #define pc_hook_func(name, args, pargs, cnt) \
 243 extern void (*name) args; \
 244 static void (*o_##name) args; \
 245 static void w_##name args \
 246 { \
 247         unsigned int pc_start = pcnt_get(); \
 248         o_##name pargs; \
 249         pcounters[cnt] += pcnt_get() - pc_start; \
 250 }
 251
 252 #define pc_hook_func_ret(retn, name, args, pargs, cnt) \
 253 extern retn (*name) args; \
 254 static retn (*o_##name) args; \
 255 static retn w_##name args \
 256 { \
 257         retn ret; \
 258         unsigned int pc_start = pcnt_get(); \
 259         ret = o_##name pargs; \
 260         pcounters[cnt] += pcnt_get() - pc_start; \
 261         return ret; \
 262 }
 263
 264 pc_hook_func              (GPU_writeStatus, (uint32_t a0), (a0), PCNT_GPU)
 265 pc_hook_func              (GPU_writeData, (uint32_t a0), (a0), PCNT_GPU)
 266 pc_hook_func              (GPU_writeDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 267 pc_hook_func_ret(uint32_t, GPU_readStatus, (void), (), PCNT_GPU)
 268 pc_hook_func_ret(uint32_t, GPU_readData, (void), (), PCNT_GPU)
 269 pc_hook_func              (GPU_readDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 270 pc_hook_func_ret(long,     GPU_dmaChain, (uint32_t *a0, int32_t a1), (a0, a1), PCNT_GPU)
 271 pc_hook_func              (GPU_updateLace, (void), (), PCNT_GPU)
 272
 273 pc_hook_func              (SPU_writeRegister, (unsigned long a0, unsigned short a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 274 pc_hook_func_ret(unsigned short,SPU_readRegister, (unsigned long a0), (a0), PCNT_SPU)
 275 pc_hook_func              (SPU_writeDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 276 pc_hook_func              (SPU_readDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 277 pc_hook_func              (SPU_playADPCMchannel, (void *a0, unsigned int a1, int a2), (a0, a1, a2), PCNT_SPU)
 278 pc_hook_func              (SPU_async, (uint32_t a0, uint32_t a1), (a0, a1), PCNT_SPU)
 279 pc_hook_func_ret(int,      SPU_playCDDAchannel, (short *a0, int a1, unsigned int a2, int a3), (a0, a1, a2, a3), PCNT_SPU)
 280
 281 #define hook_it(name) { \
 282         o_##name = name; \
 283         name = w_##name; \
 284 }
 285
 286 void pcnt_hook_plugins(void)
 287 {
 288         pcnt_init();
 289
 290         hook_it(GPU_writeStatus);
 291         hook_it(GPU_writeData);
 292         hook_it(GPU_writeDataMem);
 293         hook_it(GPU_readStatus);
 294         hook_it(GPU_readData);
 295         hook_it(GPU_readDataMem);
 296         hook_it(GPU_dmaChain);
 297         hook_it(GPU_updateLace);
 298         hook_it(SPU_writeRegister);
 299         hook_it(SPU_readRegister);
 300         hook_it(SPU_writeDMAMem);
 301         hook_it(SPU_readDMAMem);
 302         hook_it(SPU_playADPCMchannel);
 303         hook_it(SPU_async);
 304         hook_it(SPU_playCDDAchannel);
 305 }
 306
 307 // hooked into recompiler
 308 void pcnt_gte_start(int op)
 309 {
 310         pcnt_start(PCNT_GTE);
 311 }
 312
 313 void pcnt_gte_end(int op)
 314 {
 315         pcnt_end(PCNT_GTE);
 316 }
 317
 318 #endif