static void __dsp_boottask(dsptask_t *task)
{
u32 mail;
#ifdef _DSP_DEBUG
printf("__dsp_boottask(%p)\n",task);
#endif
while(!DSP_CheckMailFrom());
mail = DSP_ReadMailFrom();
#ifdef _DSP_DEBUG
if(mail!=0x8071FEED) { //if the overflow calculation applies here too, this should be the value which the dsp should deliver on succesfull sync.
printf("__dsp_boottask(): failed to sync DSP on boot (%08x)\n",mail);
}
#else
(void)mail;
#endif
DSP_SendMailTo(0x80F3A001);
while(DSP_CheckMailTo());
DSP_SendMailTo((u32)task->iram_maddr);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3C002);
while(DSP_CheckMailTo());
DSP_SendMailTo((task->iram_addr&0xffff));
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3A002);
while(DSP_CheckMailTo());
DSP_SendMailTo(task->iram_len);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3B002);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0x80F3D001);
while(DSP_CheckMailTo());
DSP_SendMailTo(task->init_vec);
while(DSP_CheckMailTo());
}
static void __dsp_def_taskcb()
{
u32 mail;
#ifdef _DSP_DEBUG
printf("__dsp_def_taskcb()\n");
#endif
while(!DSP_CheckMailFrom());
mail = DSP_ReadMailFrom();
#ifdef _DSP_DEBUG
printf("__dsp_def_taskcb(mail = 0x%08x)\n",mail);
#endif
if(__dsp_currtask->flags&DSPTASK_CANCEL) {
if(mail==0xDCD10002) mail = 0xDCD10003;
}
switch(mail) {
case 0xDCD10000:
__dsp_currtask->state = DSPTASK_RUN;
if(__dsp_currtask->init_cb) __dsp_currtask->init_cb(__dsp_currtask);
break;
case 0xDCD10001:
__dsp_currtask->state = DSPTASK_RUN;
if(__dsp_currtask->res_cb) __dsp_currtask->res_cb(__dsp_currtask);
break;
case 0xDCD10002:
if(__dsp_rudetask_pend==TRUE) {
if(__dsp_rudetask==__dsp_currtask) {
DSP_SendMailTo(0xCDD10003);
while(DSP_CheckMailTo());
__dsp_rudetask = NULL;
__dsp_rudetask_pend = FALSE;
if(__dsp_currtask->res_cb) __dsp_currtask->res_cb(__dsp_currtask);
} else {
DSP_SendMailTo(0xCDD10001);
while(DSP_CheckMailTo());
__dsp_exectask(__dsp_currtask,__dsp_rudetask);
__dsp_currtask->flags = DSPTASK_YIELD;
__dsp_currtask = __dsp_rudetask;
__dsp_rudetask = NULL;
__dsp_rudetask_pend = FALSE;
}
} else if(__dsp_currtask->next==NULL) {
if(__dsp_firsttask==__dsp_currtask) {
DSP_SendMailTo(0xCDD10003);
while(DSP_CheckMailTo());
if(__dsp_currtask->res_cb) __dsp_currtask->res_cb(__dsp_currtask);
} else {
DSP_SendMailTo(0xCDD10001);
while(DSP_CheckMailTo());
__dsp_exectask(__dsp_currtask,__dsp_firsttask);
__dsp_currtask->state = DSPTASK_YIELD;
__dsp_currtask = __dsp_firsttask;
}
} else {
DSP_SendMailTo(0xCDD10001);
while(DSP_CheckMailTo());
__dsp_exectask(__dsp_currtask,__dsp_currtask->next);
__dsp_currtask->state = DSPTASK_YIELD;
__dsp_currtask = __dsp_currtask->next;
}
break;
case 0xDCD10003:
if(__dsp_rudetask_pend==TRUE) {
if(__dsp_currtask->done_cb) __dsp_currtask->done_cb(__dsp_currtask);
DSP_SendMailTo(0xCDD10001);
while(DSP_CheckMailTo());
__dsp_exectask(NULL,__dsp_rudetask);
__dsp_removetask(__dsp_currtask);
__dsp_currtask = __dsp_rudetask;
__dsp_rudetask_pend = FALSE;
__dsp_rudetask = NULL;
} else if(__dsp_currtask->next==NULL) {
if(__dsp_firsttask==__dsp_currtask) {
if(__dsp_currtask->done_cb) __dsp_currtask->done_cb(__dsp_currtask);
DSP_SendMailTo(0xCDD10002);
while(DSP_CheckMailTo());
__dsp_currtask->state = DSPTASK_DONE;
__dsp_removetask(__dsp_currtask);
}
} else {
if(__dsp_currtask->done_cb) __dsp_currtask->done_cb(__dsp_currtask);
DSP_SendMailTo(0xCDD10001);
while(DSP_CheckMailTo());
__dsp_currtask->state = DSPTASK_DONE;
__dsp_exectask(NULL,__dsp_firsttask);
__dsp_currtask = __dsp_firsttask;
__dsp_removetask(__dsp_lasttask);
}
break;
case 0xDCD10004:
if(__dsp_currtask->req_cb) __dsp_currtask->req_cb(__dsp_currtask);
break;
}
}
static void __dsp_exectask(dsptask_t *exec,dsptask_t *hire)
{
#ifdef _DSP_DEBUG
printf("__dsp_exectask(%p,%p)\n",exec,hire);
#endif
if(!exec) {
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
} else {
DSP_SendMailTo((u32)exec->dram_maddr);
while(DSP_CheckMailTo());
DSP_SendMailTo(exec->dram_len);
while(DSP_CheckMailTo());
DSP_SendMailTo(exec->dram_addr);
while(DSP_CheckMailTo());
}
DSP_SendMailTo((u32)hire->iram_maddr);
while(DSP_CheckMailTo());
DSP_SendMailTo(hire->iram_len);
while(DSP_CheckMailTo());
DSP_SendMailTo(hire->iram_addr);
while(DSP_CheckMailTo());
if(hire->state==DSPTASK_INIT) {
DSP_SendMailTo(hire->init_vec);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
DSP_SendMailTo(0);
while(DSP_CheckMailTo());
return;
}
DSP_SendMailTo(hire->resume_vec);
while(DSP_CheckMailTo());
DSP_SendMailTo((u32)hire->dram_maddr);
while(DSP_CheckMailTo());
DSP_SendMailTo(hire->dram_len);
while(DSP_CheckMailTo());
DSP_SendMailTo(hire->dram_addr);
while(DSP_CheckMailTo());
}
void RealDSP::SendMailTo(u32 mail)
{
DSP_SendMailTo(mail);
}