s32 sys_spu_thread_switch_system_module(SPUThread & spu, u32 status)
{
if (spu.get_ch_count(SPU_RdInMbox))
{
return CELL_EBUSY;
}
// Cancel any pending status update requests
spu.set_ch_value(MFC_WrTagUpdate, 0);
while (spu.get_ch_count(MFC_RdTagStat) != 1);
spu.get_ch_value(MFC_RdTagStat);
// Wait for all pending DMA operations to complete
spu.set_ch_value(MFC_WrTagMask, 0xFFFFFFFF);
spu.set_ch_value(MFC_WrTagUpdate, MFC_TAG_UPDATE_ALL);
spu.get_ch_value(MFC_RdTagStat);
s32 result;
do
{
spu.set_ch_value(SPU_WrOutMbox, status);
spu.stop_and_signal(0x120);
}
while ((result = spu.get_ch_value(SPU_RdInMbox)) == CELL_EBUSY);
return result;
}
void sys_spu_thread_group_exit(SPUThread & spu, s32 status)
{
// Cancel any pending status update requests
spu.set_ch_value(MFC_WrTagUpdate, 0);
while (spu.get_ch_count(MFC_RdTagStat) != 1);
spu.get_ch_value(MFC_RdTagStat);
// Wait for all pending DMA operations to complete
spu.set_ch_value(MFC_WrTagMask, 0xFFFFFFFF);
spu.set_ch_value(MFC_WrTagUpdate, MFC_TAG_UPDATE_ALL);
spu.get_ch_value(MFC_RdTagStat);
spu.set_ch_value(SPU_WrOutMbox, status);
spu.stop_and_signal(0x101);
}
s32 sys_spu_thread_send_event(SPUThread & spu, u8 spup, u32 data0, u32 data1)
{
if (spup > 0x3F)
{
return CELL_EINVAL;
}
if (spu.get_ch_count(SPU_RdInMbox))
{
return CELL_EBUSY;
}
spu.set_ch_value(SPU_WrOutMbox, data1);
spu.set_ch_value(SPU_WrOutIntrMbox, (spup << 24) | (data0 & 0x00FFFFFF));
return spu.get_ch_value(SPU_RdInMbox);
}
void spu_interpreter::RDCH(SPUThread& CPU, spu_opcode_t op)
{
CPU.GPR[op.rt] = u128::from32r(CPU.get_ch_value(op.ra));
}