void AXUCode::HandleMail(u32 mail)
{
// Indicates if the next message is a command list address.
static bool next_is_cmdlist = false;
static u16 cmdlist_size = 0;
bool set_next_is_cmdlist = false;
if (next_is_cmdlist)
{
CopyCmdList(mail, cmdlist_size);
HandleCommandList();
m_cmdlist_size = 0;
SignalWorkEnd();
}
else if (m_upload_setup_in_progress)
{
PrepareBootUCode(mail);
}
else if (mail == MAIL_RESUME)
{
// Acknowledge the resume request
m_mail_handler.PushMail(DSP_RESUME);
DSP::GenerateDSPInterruptFromDSPEmu(DSP::INT_DSP);
}
else if (mail == MAIL_NEW_UCODE)
{
m_upload_setup_in_progress = true;
}
else if (mail == MAIL_RESET)
{
m_dsphle->SetUCode(UCODE_ROM);
}
else if (mail == MAIL_CONTINUE)
{
// We don't have to do anything here - the CPU does not wait for a ACK
// and sends a cmdlist mail just after.
}
else if ((mail & MAIL_CMDLIST_MASK) == MAIL_CMDLIST)
{
// A command list address is going to be sent next.
set_next_is_cmdlist = true;
cmdlist_size = (u16)(mail & ~MAIL_CMDLIST_MASK);
}
else
{
ERROR_LOG(DSPHLE, "Unknown mail sent to AX::HandleMail: %08x", mail);
}
next_is_cmdlist = set_next_is_cmdlist;
}
void CUCode_AX::Update(int cycles)
{
// Used for UCode switching.
if (NeedsResumeMail())
{
m_rMailHandler.PushMail(DSP_RESUME);
DSP::GenerateDSPInterruptFromDSPEmu(DSP::INT_DSP);
}
else if (m_work_available)
{
HandleCommandList();
m_cmdlist_size = 0;
SignalWorkEnd();
}
}
void CUCode_AX::AXThread()
{
while (true)
{
{
std::unique_lock<std::mutex> lk(m_cmdlist_mutex);
while (m_cmdlist_size == 0)
m_cmdlist_cv.wait(lk);
}
if (m_cmdlist_size == (u16)-1) // End of thread signal
break;
m_processing.lock();
HandleCommandList();
m_cmdlist_size = 0;
SignalWorkEnd();
m_processing.unlock();
}
}
void CUCode_AX::AXThread()
{
while (true)
{
{
std::unique_lock<std::mutex> lk(m_cmdlist_mutex);
while (m_cmdlist_size == 0)
m_cmdlist_cv.wait(lk);
}
if (m_cmdlist_size == (u16)-1) // End of thread signal
break;
m_processing.lock();
HandleCommandList();
m_cmdlist_size = 0;
// Signal end of processing
m_rMailHandler.PushMail(DSP_YIELD);
DSP::GenerateDSPInterruptFromDSPEmu(DSP::INT_DSP);
m_processing.unlock();
}
}
