svp compiler direct calls
[picodrive.git] / Pico / carthw / svp / svp.c
index 3dbc269..e76c7ce 100644 (file)
@@ -7,6 +7,10 @@
 
 
 #include "../../PicoInt.h"
+#include "compiler.h"
+#ifdef __GP2X__
+#include <sys/mman.h>
+#endif
 
 svp_t *svp = NULL;
 int PicoSVPCycles = 1000; // cycles/line
@@ -40,6 +44,10 @@ static void PicoSVPReset(void)
 
 static void PicoSVPLine(int count)
 {
+       static int inited = 0;
+       if (!(svp->ssp1601.gr[SSP_PM0].h & 2) && !inited) return;
+       inited = 1;
+
        // ???
        if (PicoOpt&0x20000)
                ssp1601_run(PicoSVPCycles * count);
@@ -77,6 +85,25 @@ static int PicoSVPDma(unsigned int source, int len, unsigned short **srcp, unsig
 
 
 void PicoSVPInit(void)
+{
+#ifdef __GP2X__
+       int ret;
+       ret = munmap(tcache, TCACHE_SIZE);
+       printf("munmap tcache: %i\n", ret);
+#endif
+}
+
+
+static void PicoSVPShutdown(void)
+{
+#ifdef __GP2X__
+       // also unmap tcache
+       PicoSVPInit();
+#endif
+}
+
+
+void PicoSVPStartup(void)
 {
        void *tmp;
 
@@ -93,9 +120,14 @@ void PicoSVPInit(void)
        svp = (void *) ((char *)tmp + 0x200000);
        memset(svp, 0, sizeof(*svp));
 
+#ifdef __GP2X__
+       tmp = mmap(tcache, TCACHE_SIZE, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, -1, 0);
+       printf("mmap tcache: %p, asked %p\n", tmp, tcache);
+#endif
+
        // init SVP compiler
        if (!(PicoOpt&0x20000)) {
-               if (ssp1601_dyn_init()) return;
+               if (ssp1601_dyn_startup()) return;
        }
 
        // init ok, setup hooks..
@@ -105,6 +137,7 @@ void PicoSVPInit(void)
        PicoDmaHook = PicoSVPDma;
        PicoResetHook = PicoSVPReset;
        PicoLineHook = PicoSVPLine;
+       PicoCartUnloadHook = PicoSVPShutdown;
 
        // save state stuff
        svp_states[0].ptr = svp->iram_rom;
@@ -113,3 +146,4 @@ void PicoSVPInit(void)
        carthw_chunks = svp_states;
 }
 
+