int sub_16389()
{
volatile int *hwAddress = (int*)0xbfc00700;
*hwAddress = -1;
int* meTable = (int*)0xbfc00600;
meTable[0] = 399;//copy sceKernelGetMEeDramSaveSize() bytes on me main memory to sceKernelGetMEeDramSaveAddr() then halt me
meTable[2] = sceKernelGetMEeDramSaveAddr();
meTable[3] = sceKernelGetMEeDramSaveSize();
meTable[4] = 0;
meTable[5] = 0;
meTable[6] = 0;
meTable[7] = 0;
meTable[8] = 0;
meTable[9] = 0;
sceDdrFlush(5);
sceSysregInterruptToOther();
while (*hwAddress != -2)
;
sceDdrFlush(8);
sceSysregMeResetEnable();
sceSysregMeBusClockDisable();
*(int*)0xbfc00718 = *(int*)0xbc100070 & 4;
sceKernelClearEventFlag(meRpc.event, 0);
return 0;
}
void KillME(volatile struct me_struct *mei, int devkitVersion)
{
unsigned int k1;
k1 = pspSdkSetK1(0);
if (mei == 0)
{
pspSdkSetK1(k1);
return;
}
mei->init = 0;
if (devkitVersion == 0x03070110){
sceSysregVmeResetEnable371();
sceSysregAvcResetEnable371();
sceSysregMeResetEnable371();
sceSysregMeBusClockDisable371();
}
else{
sceSysregVmeResetEnable();
sceSysregAvcResetEnable();
sceSysregMeResetEnable();
sceSysregMeBusClockDisable();
}
pspSdkSetK1(k1);
}
int InitME(volatile struct me_struct *mei, int devkitVersion)
{
unsigned int k1;
k1 = pspSdkSetK1(0);
if (mei == 0)
{
pspSdkSetK1(k1);
return -1;
}
// initialize the MediaEngine Instance
mei->start = 0;
mei->done = 1;
mei->func = 0;
mei->param = 0;
mei->result = 0;
mei->precache_len = 0;
mei->precache_addr = 0;
mei->postcache_len = 0;
mei->postcache_addr = 0;
mei->signals = 0;
mei->init = 1;
// start the MediaEngine
memcpy((void *)0xbfc00040, me_stub, (int)(me_stub_end - me_stub));
_sw((unsigned int)me_loop, 0xbfc00600); // k0
_sw((unsigned int)mei, 0xbfc00604); // a0
sceKernelDcacheWritebackAll();
if (devkitVersion < 0x03070110)
{
sceSysregMeResetEnable();
sceSysregMeBusClockEnable();
sceSysregMeResetDisable();
}
else
{
sceSysregMeResetEnable371();
sceSysregMeBusClockEnable371();
sceSysregMeResetDisable371();
}
//Find SceMeRpc and disable it(causes indefinate wait when handling events, like suspend)
PspSysEventHandler *handlers = sceKernelReferSysEventHandler();
while (handlers != NULL){
if (strcmp(handlers->name, "SceMeRpc") == 0){
handler = handlers;
sceKernelUnregisterSysEventHandler(handler);
break;
}
handlers = handlers->next;
}
pspSdkSetK1(k1);
return 0;
}
int InitME(volatile struct me_struct *mei, int devkitVersion)
{
unsigned int k1;
k1 = pspSdkSetK1(0);
if (mei == 0)
{
pspSdkSetK1(k1);
return -1;
}
// initialize the MediaEngine Instance
mei->start = 0;
mei->done = 1;
mei->func = 0;
mei->param = 0;
mei->result = 0;
mei->precache_len = 0;
mei->precache_addr = 0;
mei->postcache_len = 0;
mei->postcache_addr = 0;
mei->signals = 0;
mei->init = 1;
// start the MediaEngine
memcpy((void *)0xbfc00040, me_stub, (int)(me_stub_end - me_stub));
_sw((unsigned int)me_loop, 0xbfc00600); // k0
_sw((unsigned int)mei, 0xbfc00604); // a0
sceKernelDcacheWritebackAll();
if (devkitVersion < 0x03070110)
{
sceSysregMeResetEnable();
sceSysregMeBusClockEnable();
sceSysregMeResetDisable();
}
else
{
sceSysregMeResetEnable371();
sceSysregMeBusClockEnable371();
sceSysregMeResetDisable371();
}
pspSdkSetK1(k1);
return 0;
}
int main(int argc, char *argv[])
{
SceCtrlData ctl;
pspDebugScreenInit();
sceCtrlSetSamplingCycle(0);
sceCtrlSetSamplingMode(PSP_CTRL_MODE_DIGITAL);
/* Copy our small program into the ME reset vector */
memcpy((void *)0xbfc00040, me_run, (int)(me_end - me_run));
sceKernelDcacheWritebackInvalidateAll();
sceSysregMeResetEnable();
sceSysregMeBusClockEnable();
sceSysregMeResetDisable();
sceSysregVmeResetDisable();
while(1)
{
volatile u32 *count = (u32*) 0xBFC00060;
pspDebugScreenSetXY(0, 0);
pspDebugScreenPrintf("ME Basic Example, press Home to exit\n");
sceKernelDcacheWritebackInvalidateAll();
pspDebugScreenPrintf("ME Counter: %08x\n", *count);
sceCtrlReadBufferPositive(&ctl, 1);
if(ctl.Buttons & PSP_CTRL_HOME)
{
sceKernelExitGame();
}
sceDisplayWaitVblankStart();
}
return 0;
}
