--- /dev/null
+/*
+ * z64
+ *
+ * Copyright (C) 2007 ziggy
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+**/
+
+#include "rsp.h"
+#include <assert.h>
+#include <stdarg.h>
+
+#define RSP_Z64_VERSION 0x020000
+#define RSP_PLUGIN_API_VERSION 0x020000
+
+static void (*l_DebugCallback)(void *, int, const char *) = NULL;
+static void *l_DebugCallContext = NULL;
+static bool l_PluginInit = false;
+
+#if 0
+static void dump()
+{
+ FILE * fp = fopen("rsp.dump", "w");
+ assert(fp);
+ fwrite(rdram, 8*1024, 1024, fp);
+ fwrite(rsp_dmem, 0x2000, 1, fp);
+ fwrite(rsp.ext.MI_INTR_REG, 4, 1, fp);
+
+ fwrite(rsp.ext.SP_MEM_ADDR_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_DRAM_ADDR_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_RD_LEN_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_WR_LEN_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_STATUS_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_DMA_FULL_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_DMA_BUSY_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_PC_REG, 4, 1, fp);
+ fwrite(rsp.ext.SP_SEMAPHORE_REG, 4, 1, fp);
+
+ fwrite(rsp.ext.DPC_START_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_END_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_CURRENT_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_STATUS_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_CLOCK_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_BUFBUSY_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_PIPEBUSY_REG, 4, 1, fp);
+ fwrite(rsp.ext.DPC_TMEM_REG, 4, 1, fp);
+ fclose(fp);
+}
+#endif
+
+void log(m64p_msg_level level, const char *msg, ...)
+{
+ char buf[1024];
+ va_list args;
+ va_start(args, msg);
+ vsnprintf(buf, 1023, msg, args);
+ buf[1023]='\0';
+ va_end(args);
+ if (l_DebugCallback)
+ {
+ l_DebugCallback(l_DebugCallContext, level, buf);
+ }
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /* DLL-exported functions */
+ EXPORT m64p_error CALL PluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context,
+ void (*DebugCallback)(void *, int, const char *))
+ {
+
+ if (l_PluginInit)
+ return M64ERR_ALREADY_INIT;
+
+ ///* first thing is to set the callback function for debug info */
+ l_DebugCallback = DebugCallback;
+ l_DebugCallContext = Context;
+
+ ///* this plugin doesn't use any Core library functions (ex for Configuration), so no need to keep the CoreLibHandle */
+
+ l_PluginInit = true;
+ return M64ERR_SUCCESS;
+ }
+
+ EXPORT m64p_error CALL PluginShutdown(void)
+ {
+ if (!l_PluginInit)
+ return M64ERR_NOT_INIT;
+
+ ///* reset some local variable */
+ l_DebugCallback = NULL;
+ l_DebugCallContext = NULL;
+
+ l_PluginInit = 0;
+ return M64ERR_SUCCESS;
+ }
+
+ EXPORT m64p_error CALL PluginGetVersion(m64p_plugin_type *PluginType, int *PluginVersion, int *APIVersion, const char **PluginNamePtr, int *Capabilities)
+ {
+ /* set version info */
+ if (PluginType != NULL)
+ *PluginType = M64PLUGIN_RSP;
+
+ if (PluginVersion != NULL)
+ *PluginVersion = RSP_Z64_VERSION;
+
+ if (APIVersion != NULL)
+ *APIVersion = RSP_PLUGIN_API_VERSION;
+
+ if (PluginNamePtr != NULL)
+ *PluginNamePtr = "Z64 RSP Plugin";
+
+ if (Capabilities != NULL)
+ {
+ *Capabilities = 0;
+ }
+
+ return M64ERR_SUCCESS;
+ }
+
+ EXPORT unsigned int CALL DoRspCycles(unsigned int Cycles)
+ {
+ //#define VIDEO_HLE_ALLOWED
+ //#define AUDIO_HLE_ALLOWED
+
+#if defined (AUDIO_HLE_ALLOWED) || defined (VIDEO_HLE_ALLOWED)
+ unsigned int TaskType = *(unsigned int *)(z64_rspinfo.DMEM + 0xFC0);
+#endif
+
+#ifdef VIDEO_HLE_ALLOWED
+#if 0
+ if (TaskType == 1) {
+ SDL_Event event;
+ while (SDL_PollEvent(&event)) {
+ switch (event.type) {
+ case SDL_KEYDOWN:
+ switch (event.key.keysym.sym) {
+ case 'd':
+ printf("Dumping !\n");
+ dump();
+ break;
+ }
+ break;
+ }
+ }
+ }
+#endif
+
+ if (TaskType == 1) {
+ if (z64_rspinfo.ProcessDlistList != NULL) {
+ z64_rspinfo.ProcessDlistList();
+ }
+ *z64_rspinfo.SP_STATUS_REG |= (0x0203);
+ if ((*z64_rspinfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0 ) {
+ *z64_rspinfo.MI_INTR_REG |= R4300i_SP_Intr;
+ z64_rspinfo.CheckInterrupts();
+ }
+
+ *z64_rspinfo.DPC_STATUS_REG &= ~0x0002;
+ return Cycles;
+ }
+#endif
+
+#ifdef AUDIO_HLE_ALLOWED
+ if (TaskType == 2) {
+ if (z64_rspinfo.ProcessAlistList != NULL) {
+ z64_rspinfo.ProcessAlistList();
+ }
+ *z64_rspinfo.SP_STATUS_REG |= (0x0203);
+ if ((*z64_rspinfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0 ) {
+ *z64_rspinfo.MI_INTR_REG |= R4300i_SP_Intr;
+ z64_rspinfo.CheckInterrupts();
+ }
+ return Cycles;
+ }
+#endif
+
+ if (z64_rspinfo.CheckInterrupts==NULL)
+ log(M64MSG_WARNING, "Emulator doesn't provide CheckInterrupts routine");
+ return rsp_execute(0x100000);
+ //return Cycles;
+ }
+
+ EXPORT void CALL InitiateRSP(RSP_INFO Rsp_Info, unsigned int *CycleCount)
+ {
+ log(M64MSG_STATUS, "INITIATE RSP");
+ rsp_init(Rsp_Info);
+ memset(((UINT32*)z64_rspinfo.DMEM), 0, 0x2000);
+ //*CycleCount = 0; //Causes segfault, doesn't seem to be used anyway
+ }
+
+ EXPORT void CALL RomClosed(void)
+ {
+ extern int rsp_gen_cache_hit;
+ extern int rsp_gen_cache_miss;
+ log(M64MSG_STATUS, "cache hit %d miss %d %g%%", rsp_gen_cache_hit, rsp_gen_cache_miss,
+ rsp_gen_cache_miss*100.0f/rsp_gen_cache_hit);
+ rsp_gen_cache_hit = rsp_gen_cache_miss = 0;
+
+#ifdef RSPTIMING
+ int i,j;
+ UINT32 op, op2;
+
+ for(i=0; i<0x140;i++) {
+ if (i>=0x100)
+ op = (0x12<<26) | (0x10 << 21) | (i&0x3f);
+ else if (i>=0xc0)
+ op = (0x3a<<26) | ((i&0x1f)<<11);
+ else if (i>=0xa0)
+ op = (0x32<<26) | ((i&0x1f)<<11);
+ else if (i>=0x80)
+ op = (0x12<<26) | ((i&0x1f)<<21);
+ else if (i>=0x40)
+ op = (0<<26) | (i&0x3f);
+ else
+ op = (i&0x3f)<<26;
+
+ char s[128], s2[128];
+ rsp_dasm_one(s, 0x800, op);
+ //rsp_dasm_one(s2, 0x800, op2);
+ if (rsptimings[i])
+ printf("%10g %10g %7d\t%30s\n"
+ /*"%10g %10g %7d\t%30s\n"*/,
+ rsptimings[i]/(rspcounts[i]*1.0f), rsptimings[i]*(1.0f), rspcounts[i], s//,
+ //timings[k]/1.0f/counts[k], counts[k], s2
+ );
+ }
+#endif
+
+ //rsp_init(z64_rspinfo);
+ }
+#ifdef __cplusplus
+}
+#endif