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