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 "../plugins/cdrcimg/cdrcimg.h"
  15
  16 static int dummy_func() {
  17         return 0;
  18 }
  19
  20 static long CDRreadTrack(unsigned char *time) {
  21         fprintf(stderr, "CDRreadTrack\n");
  22         return -1;
  23 }
  24
  25 /* SPU */
  26 extern long SPUopen(void);
  27 extern long SPUinit(void);
  28 extern long SPUshutdown(void);
  29 extern long SPUclose(void);
  30 extern void SPUplaySample(unsigned char);
  31 extern void SPUwriteRegister(unsigned long, unsigned short);
  32 extern unsigned short SPUreadRegister(unsigned long);
  33 extern void SPUwriteDMA(unsigned short);
  34 extern unsigned short SPUreadDMA(void);
  35 extern void SPUwriteDMAMem(unsigned short *, int);
  36 extern void SPUreadDMAMem(unsigned short *, int);
  37 extern void SPUplayADPCMchannel(void *);
  38 extern void SPUregisterCallback(void (*callback)(void));
  39 extern long SPUconfigure(void);
  40 extern long SPUtest(void);
  41 extern void SPUabout(void);
  42 extern long SPUfreeze(unsigned int, void *);
  43 extern void SPUasync(unsigned int);
  44 extern void SPUplayCDDAchannel(short *, int);
  45
  46 /* PAD */
  47 static uint8_t pad_buf[] = { 0x41, 0x5A, 0xFF, 0xFF };
  48 static uint8_t pad_byte;
  49
  50 static unsigned char PADstartPoll(int pad) {
  51         pad_byte = 0;
  52         pad_buf[2] = ~keystate;
  53         pad_buf[3] = ~keystate >> 8;
  54
  55         return 0xFF;
  56 }
  57
  58 static unsigned char PADpoll(unsigned char value) {
  59         if (pad_byte >= 4)
  60                 return 0;
  61
  62         return pad_buf[pad_byte++];
  63 }
  64
  65 /* GPU */
  66 extern long GPUopen(unsigned long *, char *, char *);
  67 extern long GPUinit(void);
  68 extern long GPUshutdown(void);
  69 extern long GPUclose(void);
  70 extern void GPUwriteStatus(uint32_t);
  71 extern void GPUwriteData(uint32_t);
  72 extern void GPUwriteDataMem(uint32_t *, int);
  73 extern uint32_t GPUreadStatus(void);
  74 extern uint32_t GPUreadData(void);
  75 extern void GPUreadDataMem(uint32_t *, int);
  76 extern long GPUdmaChain(uint32_t *,uint32_t);
  77 extern void GPUupdateLace(void);
  78 extern long GPUconfigure(void);
  79 extern long GPUtest(void);
  80 extern void GPUabout(void);
  81 extern void GPUmakeSnapshot(void);
  82 extern void GPUkeypressed(int);
  83 extern void GPUdisplayText(char *);
  84 extern long GPUfreeze(uint32_t, void *);
  85 extern long GPUgetScreenPic(unsigned char *);
  86 extern long GPUshowScreenPic(unsigned char *);
  87 extern void GPUclearDynarec(void (*callback)(void));
  88 extern void GPUvBlank(int);
  89
  90
  91 #define DUMMY(id, name) \
  92         { id, #name, dummy_func }
  93
  94 #define DIRECT(id, name) \
  95         { id, #name, name }
  96
  97 #define DUMMY_CDR(name)  DUMMY(PLUGIN_CDR, name)
  98 #define DUMMY_PAD(name)  DUMMY(PLUGIN_PAD, name)
  99 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
 100 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
 101 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
 102
 103 static const struct {
 104         int id;
 105         const char *name;
 106         void *func;
 107 } plugin_funcs[] = {
 108         /* CDR */
 109         DUMMY_CDR(CDRinit),
 110         DUMMY_CDR(CDRshutdown),
 111         DUMMY_CDR(CDRopen),
 112         DUMMY_CDR(CDRclose),
 113         DUMMY_CDR(CDRtest),
 114         DUMMY_CDR(CDRgetTN),
 115         DUMMY_CDR(CDRgetTD),
 116         DUMMY_CDR(CDRreadTrack),
 117         DUMMY_CDR(CDRgetBuffer),
 118         DUMMY_CDR(CDRgetBufferSub),
 119         DUMMY_CDR(CDRplay),
 120         DUMMY_CDR(CDRstop),
 121         DUMMY_CDR(CDRgetStatus),
 122         DUMMY_CDR(CDRgetDriveLetter),
 123         DUMMY_CDR(CDRconfigure),
 124         DUMMY_CDR(CDRabout),
 125         DUMMY_CDR(CDRsetfilename),
 126         DUMMY_CDR(CDRreadCDDA),
 127         DUMMY_CDR(CDRgetTE),
 128         DIRECT(PLUGIN_CDR, CDRreadTrack),
 129         /* SPU */
 130         DIRECT_SPU(SPUconfigure),
 131         DIRECT_SPU(SPUabout),
 132         DIRECT_SPU(SPUinit),
 133         DIRECT_SPU(SPUshutdown),
 134         DIRECT_SPU(SPUtest),
 135         DIRECT_SPU(SPUopen),
 136         DIRECT_SPU(SPUclose),
 137 //      DIRECT_SPU(SPUplaySample), // unused?
 138         DIRECT_SPU(SPUwriteRegister),
 139         DIRECT_SPU(SPUreadRegister),
 140         DIRECT_SPU(SPUwriteDMA),
 141         DIRECT_SPU(SPUreadDMA),
 142         DIRECT_SPU(SPUwriteDMAMem),
 143         DIRECT_SPU(SPUreadDMAMem),
 144         DIRECT_SPU(SPUplayADPCMchannel),
 145         DIRECT_SPU(SPUfreeze),
 146         DIRECT_SPU(SPUregisterCallback),
 147         DIRECT_SPU(SPUasync),
 148         DIRECT_SPU(SPUplayCDDAchannel),
 149         /* PAD */
 150         DUMMY_PAD(PADconfigure),
 151         DUMMY_PAD(PADabout),
 152         DUMMY_PAD(PADinit),
 153         DUMMY_PAD(PADshutdown),
 154         DUMMY_PAD(PADtest),
 155         DUMMY_PAD(PADopen),
 156         DUMMY_PAD(PADclose),
 157         DUMMY_PAD(PADquery),
 158         DUMMY_PAD(PADreadPort1),
 159         DUMMY_PAD(PADreadPort2),
 160         DUMMY_PAD(PADkeypressed),
 161         DUMMY_PAD(PADsetSensitive),
 162         DIRECT_PAD(PADstartPoll),
 163         DIRECT_PAD(PADpoll),
 164         /* GPU */
 165         DIRECT_GPU(GPUupdateLace),
 166         DIRECT_GPU(GPUinit),
 167         DIRECT_GPU(GPUshutdown),
 168         DIRECT_GPU(GPUconfigure),
 169         DIRECT_GPU(GPUtest),
 170         DIRECT_GPU(GPUabout),
 171         DIRECT_GPU(GPUopen),
 172         DIRECT_GPU(GPUclose),
 173         DIRECT_GPU(GPUreadStatus),
 174         DIRECT_GPU(GPUreadData),
 175         DIRECT_GPU(GPUreadDataMem),
 176         DIRECT_GPU(GPUwriteStatus),
 177         DIRECT_GPU(GPUwriteData),
 178         DIRECT_GPU(GPUwriteDataMem),
 179         DIRECT_GPU(GPUdmaChain),
 180         DIRECT_GPU(GPUkeypressed),
 181         DIRECT_GPU(GPUdisplayText),
 182         DIRECT_GPU(GPUmakeSnapshot),
 183         DIRECT_GPU(GPUfreeze),
 184         DIRECT_GPU(GPUgetScreenPic),
 185         DIRECT_GPU(GPUshowScreenPic),
 186 //      DIRECT_GPU(GPUclearDynarec),
 187 //      DIRECT_GPU(GPUvBlank),
 188 };
 189
 190 void *plugin_link(enum builtint_plugins_e id, const char *sym)
 191 {
 192         int i;
 193
 194         if (id == PLUGIN_CDRCIMG)
 195                 return cdrcimg_get_sym(sym);
 196
 197         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
 198                 if (id != plugin_funcs[i].id)
 199                         continue;
 200
 201                 if (strcmp(sym, plugin_funcs[i].name) != 0)
 202                         continue;
 203
 204                 return plugin_funcs[i].func;
 205         }
 206
 207         fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
 208         return NULL;
 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), (a0, a1), PCNT_SPU)
 251 pc_hook_func_ret(unsigned short,SPU_readRegister, (unsigned long a0), (a0), PCNT_SPU)
 252 pc_hook_func              (SPU_writeDMA, (unsigned short a0), (a0), PCNT_SPU)
 253 pc_hook_func_ret(unsigned short,SPU_readDMA, (void), (), PCNT_SPU)
 254 pc_hook_func              (SPU_writeDMAMem, (unsigned short *a0, int a1), (a0, a1), PCNT_SPU)
 255 pc_hook_func              (SPU_readDMAMem, (unsigned short *a0, int a1), (a0, a1), PCNT_SPU)
 256 pc_hook_func              (SPU_playADPCMchannel, (void *a0), (a0), PCNT_SPU)
 257 pc_hook_func              (SPU_async, (unsigned int a0), (a0), PCNT_SPU)
 258 pc_hook_func              (SPU_playCDDAchannel, (short *a0, int a1), (a0, a1), PCNT_SPU)
 259
 260 #define hook_it(name) { \
 261         o_##name = name; \
 262         name = w_##name; \
 263 }
 264
 265 void pcnt_hook_plugins(void)
 266 {
 267         /* test it first */
 268         pcnt_get();
 269
 270         hook_it(GPU_writeStatus);
 271         hook_it(GPU_writeData);
 272         hook_it(GPU_writeDataMem);
 273         hook_it(GPU_readStatus);
 274         hook_it(GPU_readData);
 275         hook_it(GPU_readDataMem);
 276         hook_it(GPU_dmaChain);
 277         hook_it(GPU_updateLace);
 278         hook_it(SPU_writeRegister);
 279         hook_it(SPU_readRegister);
 280         hook_it(SPU_writeDMA);
 281         hook_it(SPU_readDMA);
 282         hook_it(SPU_writeDMAMem);
 283         hook_it(SPU_readDMAMem);
 284         hook_it(SPU_playADPCMchannel);
 285         hook_it(SPU_async);
 286         hook_it(SPU_playCDDAchannel);
 287 }
 288
 289 #endif