X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcarthw%2Fsvp%2Fsvp.c;h=be9414e2e181546c5bc5467cd88ad338f145b77a;hb=efcba75f8a730340df6c1b679a207723f98d1ee6;hp=a29893b215c63a168348b748340a8512f57143ce;hpb=945c2fdcfda07a12c9210a90ab2e809bf4d33e6f;p=picodrive.git

diff --git a/Pico/carthw/svp/svp.c b/Pico/carthw/svp/svp.c
index a29893b..be9414e 100644
--- a/Pico/carthw/svp/svp.c
+++ b/Pico/carthw/svp/svp.c
@@ -6,10 +6,15 @@
 // For commercial use, separate licencing terms must be obtained.
 
 
-#include "../../PicoInt.h"
+#include "../../pico_int.h"
+#include "compiler.h"
+#ifdef __GP2X__
+#include <sys/mman.h>
+#endif
 
 svp_t *svp = NULL;
-int PicoSVPCycles = 1000; // cycles/line
+int PicoSVPCycles = 850; // cycles/line, just a guess
+static int svp_dyn_ready = 0;
 
 /* save state stuff */
 typedef enum {
@@ -22,7 +27,7 @@ static carthw_state_chunk svp_states[] =
 {
 	{ CHUNK_IRAM, 0x800,                 NULL },
 	{ CHUNK_DRAM, sizeof(svp->dram),     NULL },
-	{ CHUNK_SSP,  sizeof(svp->ssp1601),  NULL },
+	{ CHUNK_SSP,  sizeof(svp->ssp1601) - sizeof(svp->ssp1601.drc),  NULL },
 	{ 0,          0,                     NULL }
 };
 
@@ -33,13 +38,35 @@ static void PicoSVPReset(void)
 
 	memcpy(svp->iram_rom + 0x800, Pico.rom + 0x800, 0x20000 - 0x800);
 	ssp1601_reset(&svp->ssp1601);
+#ifndef PSP
+	if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready)
+		ssp1601_dyn_reset(&svp->ssp1601);
+#endif
 }
 
 
-static void PicoSVPLine(int count)
+static void PicoSVPLine(void)
 {
-	// ???
-	ssp1601_run(PicoSVPCycles * count);
+	int count = 1;
+#if defined(ARM) || defined(PSP)
+	// performance hack
+	static int delay_lines = 0;
+	delay_lines++;
+	if ((Pico.m.scanline&0xf) != 0xf && Pico.m.scanline != 261 && Pico.m.scanline != 311)
+		return;
+	count = delay_lines;
+	delay_lines = 0;
+#endif
+
+#ifndef PSP
+	if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready)
+		ssp1601_dyn_run(PicoSVPCycles * count);
+	else
+#endif
+	{
+		ssp1601_run(PicoSVPCycles * count);
+		svp_dyn_ready = 0; // just in case
+	}
 
 	// test mode
 	//if (Pico.m.frame_count == 13) PicoPad[0] |= 0xff;
@@ -72,6 +99,25 @@ static int PicoSVPDma(unsigned int source, int len, unsigned short **srcp, unsig
 
 
 void PicoSVPInit(void)
+{
+#ifdef __GP2X__
+	int ret;
+	ret = munmap(tcache, SSP_DRC_SIZE);
+	printf("munmap tcache: %i\n", ret);
+#endif
+}
+
+
+static void PicoSVPShutdown(void)
+{
+#ifdef __GP2X__
+	// also unmap tcache
+	PicoSVPInit();
+#endif
+}
+
+
+void PicoSVPStartup(void)
 {
 	void *tmp;
 
@@ -84,10 +130,25 @@ void PicoSVPInit(void)
 		return;
 	}
 
+	//PicoOpt &= ~0x20000;
 	Pico.rom = tmp;
 	svp = (void *) ((char *)tmp + 0x200000);
 	memset(svp, 0, sizeof(*svp));
 
+#ifdef __GP2X__
+	tmp = mmap(tcache, SSP_DRC_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
+	svp_dyn_ready = 0;
+#ifndef PSP
+	if (PicoOpt&POPT_EN_SVP_DRC) {
+		if (ssp1601_dyn_startup()) return;
+		svp_dyn_ready = 1;
+	}
+#endif
+
 	// init ok, setup hooks..
 	PicoRead16Hook = PicoSVPRead16;
 	PicoWrite8Hook = PicoSVPWrite8;
@@ -95,11 +156,14 @@ void PicoSVPInit(void)
 	PicoDmaHook = PicoSVPDma;
 	PicoResetHook = PicoSVPReset;
 	PicoLineHook = PicoSVPLine;
+	PicoCartUnloadHook = PicoSVPShutdown;
 
 	// save state stuff
 	svp_states[0].ptr = svp->iram_rom;
 	svp_states[1].ptr = svp->dram;
 	svp_states[2].ptr = &svp->ssp1601;
 	carthw_chunks = svp_states;
+	PicoAHW |= PAHW_SVP;
 }
 
+