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svp compiler direct calls

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@360 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-02-20 21:35:19 +00:00
parent 259ed0ea66
commit e807ac752b
13 changed files with 238 additions and 126 deletions
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36
Pico/carthw/svp/svp.c
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@ -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;
}