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