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 SPUwriteRegister(unsigned long, unsigned short, unsigned int);
  32 extern unsigned short CALLBACK SPUreadRegister(unsigned long);
  33 extern void CALLBACK SPUwriteDMAMem(unsigned short *, int, unsigned int);
  34 extern void CALLBACK SPUreadDMAMem(unsigned short *, int, unsigned int);
  35 extern void CALLBACK SPUplayADPCMchannel(void *, unsigned int, int);
  36 extern void CALLBACK SPUregisterCallback(void (*cb)(void));
  37 extern void CALLBACK SPUregisterScheduleCb(void (*cb)(unsigned int));
  38 extern long CALLBACK SPUfreeze(unsigned int, void *, unsigned int);
  39 extern void CALLBACK SPUasync(unsigned int, unsigned int);
  40 extern int  CALLBACK SPUplayCDDAchannel(short *, int, unsigned int, int);
  41
  42 /* PAD */
  43 static long CALLBACK PADreadPort1(PadDataS *pad)
  44 {
  45         pad->controllerType = in_type[0];
  46         pad->buttonStatus = ~in_keystate[0];
  47         if (in_type[0] == PSE_PAD_TYPE_ANALOGPAD) {
  48                 pad->leftJoyX = in_analog_left[0][0];
  49                 pad->leftJoyY = in_analog_left[0][1];
  50                 pad->rightJoyX = in_analog_right[0][0];
  51                 pad->rightJoyY = in_analog_right[0][1];
  52         }
  53         return 0;
  54 }
  55
  56 static long CALLBACK PADreadPort2(PadDataS *pad)
  57 {
  58         pad->controllerType = in_type[1];
  59         pad->buttonStatus = ~in_keystate[0] >> 16;
  60         return 0;
  61 }
  62
  63 /* GPU */
  64 extern long GPUopen(unsigned long *, char *, char *);
  65 extern long GPUinit(void);
  66 extern long GPUshutdown(void);
  67 extern long GPUclose(void);
  68 extern void GPUwriteStatus(uint32_t);
  69 extern void GPUwriteData(uint32_t);
  70 extern void GPUwriteDataMem(uint32_t *, int);
  71 extern uint32_t GPUreadStatus(void);
  72 extern uint32_t GPUreadData(void);
  73 extern void GPUreadDataMem(uint32_t *, int);
  74 extern long GPUdmaChain(uint32_t *,uint32_t);
  75 extern void GPUupdateLace(void);
  76 extern long GPUfreeze(uint32_t, void *);
  77 extern void GPUvBlank(int, int);
  78 extern void GPUrearmedCallbacks(const struct rearmed_cbs *cbs);
  79
  80
  81 #define DUMMY(id, name) \
  82         { id, #name, dummy_func }
  83
  84 #define DIRECT(id, name) \
  85         { id, #name, name }
  86
  87 #define DUMMY_GPU(name)  DUMMY(PLUGIN_GPU, name)
  88 #define DUMMY_CDR(name)  DUMMY(PLUGIN_CDR, name)
  89 #define DUMMY_PAD(name)  DUMMY(PLUGIN_PAD, name)
  90 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
  91 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
  92 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
  93
  94 static const struct {
  95         int id;
  96         const char *name;
  97         void *func;
  98 } plugin_funcs[] = {
  99         /* CDR */
 100         DUMMY_CDR(CDRinit),
 101         DUMMY_CDR(CDRshutdown),
 102         DUMMY_CDR(CDRopen),
 103         DUMMY_CDR(CDRclose),
 104         DUMMY_CDR(CDRtest),
 105         DUMMY_CDR(CDRgetTN),
 106         DUMMY_CDR(CDRgetTD),
 107         DUMMY_CDR(CDRreadTrack),
 108         DUMMY_CDR(CDRgetBuffer),
 109         DUMMY_CDR(CDRgetBufferSub),
 110         DUMMY_CDR(CDRplay),
 111         DUMMY_CDR(CDRstop),
 112         DUMMY_CDR(CDRgetStatus),
 113         DUMMY_CDR(CDRgetDriveLetter),
 114         DUMMY_CDR(CDRconfigure),
 115         DUMMY_CDR(CDRabout),
 116         DUMMY_CDR(CDRsetfilename),
 117         DUMMY_CDR(CDRreadCDDA),
 118         DUMMY_CDR(CDRgetTE),
 119         /* SPU */
 120         DIRECT_SPU(SPUinit),
 121         DIRECT_SPU(SPUshutdown),
 122         DIRECT_SPU(SPUopen),
 123         DIRECT_SPU(SPUclose),
 124         DIRECT_SPU(SPUwriteRegister),
 125         DIRECT_SPU(SPUreadRegister),
 126         DIRECT_SPU(SPUwriteDMAMem),
 127         DIRECT_SPU(SPUreadDMAMem),
 128         DIRECT_SPU(SPUplayADPCMchannel),
 129         DIRECT_SPU(SPUfreeze),
 130         DIRECT_SPU(SPUregisterCallback),
 131         DIRECT_SPU(SPUregisterScheduleCb),
 132         DIRECT_SPU(SPUasync),
 133         DIRECT_SPU(SPUplayCDDAchannel),
 134         /* PAD */
 135         DUMMY_PAD(PADinit),
 136         DUMMY_PAD(PADshutdown),
 137         DUMMY_PAD(PADopen),
 138         DUMMY_PAD(PADclose),
 139         DUMMY_PAD(PADsetSensitive),
 140         DIRECT_PAD(PADreadPort1),
 141         DIRECT_PAD(PADreadPort2),
 142 /*
 143         DUMMY_PAD(PADquery),
 144         DUMMY_PAD(PADconfigure),
 145         DUMMY_PAD(PADtest),
 146         DUMMY_PAD(PADabout),
 147         DUMMY_PAD(PADkeypressed),
 148         DUMMY_PAD(PADstartPoll),
 149         DUMMY_PAD(PADpoll),
 150 */
 151         /* GPU */
 152         DIRECT_GPU(GPUupdateLace),
 153         DIRECT_GPU(GPUinit),
 154         DIRECT_GPU(GPUshutdown),
 155         DIRECT_GPU(GPUopen),
 156         DIRECT_GPU(GPUclose),
 157         DIRECT_GPU(GPUreadStatus),
 158         DIRECT_GPU(GPUreadData),
 159         DIRECT_GPU(GPUreadDataMem),
 160         DIRECT_GPU(GPUwriteStatus),
 161         DIRECT_GPU(GPUwriteData),
 162         DIRECT_GPU(GPUwriteDataMem),
 163         DIRECT_GPU(GPUdmaChain),
 164         DIRECT_GPU(GPUfreeze),
 165         DIRECT_GPU(GPUvBlank),
 166         DIRECT_GPU(GPUrearmedCallbacks),
 167
 168         DUMMY_GPU(GPUdisplayText),
 169 /*
 170         DIRECT_GPU(GPUkeypressed),
 171         DIRECT_GPU(GPUmakeSnapshot),
 172         DIRECT_GPU(GPUconfigure),
 173         DIRECT_GPU(GPUtest),
 174         DIRECT_GPU(GPUabout),
 175         DIRECT_GPU(GPUgetScreenPic),
 176         DIRECT_GPU(GPUshowScreenPic),
 177 */
 178 };
 179
 180 void *plugin_link(enum builtint_plugins_e id, const char *sym)
 181 {
 182         int i;
 183
 184         if (id == PLUGIN_CDRCIMG)
 185                 return cdrcimg_get_sym(sym);
 186
 187         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
 188                 if (id != plugin_funcs[i].id)
 189                         continue;
 190
 191                 if (strcmp(sym, plugin_funcs[i].name) != 0)
 192                         continue;
 193
 194                 return plugin_funcs[i].func;
 195         }
 196
 197         //fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
 198         return NULL;
 199 }
 200
 201 void plugin_call_rearmed_cbs(void)
 202 {
 203         extern void *hGPUDriver;
 204         void (*rearmed_set_cbs)(const struct rearmed_cbs *cbs);
 205
 206         rearmed_set_cbs = SysLoadSym(hGPUDriver, "GPUrearmedCallbacks");
 207         if (rearmed_set_cbs != NULL)
 208                 rearmed_set_cbs(&pl_rearmed_cbs);
 209 }
 210
 211 #ifdef PCNT
 212
 213 /* basic profile stuff */
 214 #include "pcnt.h"
 215
 216 unsigned int pcounters[PCNT_CNT];
 217 unsigned int pcounter_starts[PCNT_CNT];
 218
 219 #define pc_hook_func(name, args, pargs, cnt) \
 220 extern void (*name) args; \
 221 static void (*o_##name) args; \
 222 static void w_##name args \
 223 { \
 224         unsigned int pc_start = pcnt_get(); \
 225         o_##name pargs; \
 226         pcounters[cnt] += pcnt_get() - pc_start; \
 227 }
 228
 229 #define pc_hook_func_ret(retn, name, args, pargs, cnt) \
 230 extern retn (*name) args; \
 231 static retn (*o_##name) args; \
 232 static retn w_##name args \
 233 { \
 234         retn ret; \
 235         unsigned int pc_start = pcnt_get(); \
 236         ret = o_##name pargs; \
 237         pcounters[cnt] += pcnt_get() - pc_start; \
 238         return ret; \
 239 }
 240
 241 pc_hook_func              (GPU_writeStatus, (uint32_t a0), (a0), PCNT_GPU)
 242 pc_hook_func              (GPU_writeData, (uint32_t a0), (a0), PCNT_GPU)
 243 pc_hook_func              (GPU_writeDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 244 pc_hook_func_ret(uint32_t, GPU_readStatus, (void), (), PCNT_GPU)
 245 pc_hook_func_ret(uint32_t, GPU_readData, (void), (), PCNT_GPU)
 246 pc_hook_func              (GPU_readDataMem, (uint32_t *a0, int a1), (a0, a1), PCNT_GPU)
 247 pc_hook_func_ret(long,     GPU_dmaChain, (uint32_t *a0, int32_t a1), (a0, a1), PCNT_GPU)
 248 pc_hook_func              (GPU_updateLace, (void), (), PCNT_GPU)
 249
 250 pc_hook_func              (SPU_writeRegister, (unsigned long a0, unsigned short a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 251 pc_hook_func_ret(unsigned short,SPU_readRegister, (unsigned long a0), (a0), PCNT_SPU)
 252 pc_hook_func              (SPU_writeDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 253 pc_hook_func              (SPU_readDMAMem, (unsigned short *a0, int a1, uint32_t a2), (a0, a1, a2), PCNT_SPU)
 254 pc_hook_func              (SPU_playADPCMchannel, (void *a0, unsigned int a1, int a2), (a0, a1, a2), PCNT_SPU)
 255 pc_hook_func              (SPU_async, (uint32_t a0, uint32_t a1), (a0, a1), PCNT_SPU)
 256 pc_hook_func_ret(int,      SPU_playCDDAchannel, (short *a0, int a1, unsigned int a2, int a3), (a0, a1, a2, a3), 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         pcnt_init();
 266
 267         hook_it(GPU_writeStatus);
 268         hook_it(GPU_writeData);
 269         hook_it(GPU_writeDataMem);
 270         hook_it(GPU_readStatus);
 271         hook_it(GPU_readData);
 272         hook_it(GPU_readDataMem);
 273         hook_it(GPU_dmaChain);
 274         hook_it(GPU_updateLace);
 275         hook_it(SPU_writeRegister);
 276         hook_it(SPU_readRegister);
 277         hook_it(SPU_writeDMAMem);
 278         hook_it(SPU_readDMAMem);
 279         hook_it(SPU_playADPCMchannel);
 280         hook_it(SPU_async);
 281         hook_it(SPU_playCDDAchannel);
 282 }
 283
 284 // hooked into recompiler
 285 void pcnt_gte_start(int op)
 286 {
 287         pcnt_start(PCNT_GTE);
 288 }
 289
 290 void pcnt_gte_end(int op)
 291 {
 292         pcnt_end(PCNT_GTE);
 293 }
 294
 295 #endif