SPU: IRET, SN event

This commit is contained in:
Nekotekina 2017-02-13 16:12:24 +03:00
parent 64ac6a59c4
commit d2ddb9882f
6 changed files with 49 additions and 36 deletions

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@ -917,7 +917,10 @@ void spu_recompiler::BISL(spu_opcode_t op)
void spu_recompiler::IRET(spu_opcode_t op)
{
fmt::throw_exception("Unimplemented instruction" HERE);
c->mov(*addr, SPU_OFF_32(srr0));
c->and_(*addr, 0x3fffc);
if (op.d || op.e) c->or_(*addr, op.e << 26 | op.d << 27); // interrupt flags neutralize jump table
c->jmp(*jt);
}
void spu_recompiler::BISLED(spu_opcode_t op)

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@ -168,8 +168,6 @@ std::shared_ptr<spu_function_t> SPUDatabase::analyse(const be_t<u32>* ls, u32 en
if (type == BI || type == IRET) // Branch Indirect
{
if (type == IRET) LOG_ERROR(SPU, "[0x%05x] Interrupt Return", pos);
blocks.emplace(start);
start = pos + 4;
}

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@ -49,6 +49,12 @@ void spu_interpreter::set_interrupt_status(SPUThread& spu, spu_opcode_t op)
{
spu.set_interrupt_status(false);
}
if ((spu.ch_event_stat & SPU_EVENT_INTR_TEST) > SPU_EVENT_INTR_ENABLED)
{
spu.ch_event_stat &= ~SPU_EVENT_INTR_ENABLED;
spu.srr0 = std::exchange(spu.pc, -4) + 4;
}
}
@ -313,8 +319,8 @@ void spu_interpreter::BIZ(SPUThread& spu, spu_opcode_t op)
{
if (spu.gpr[op.rt]._u32[3] == 0)
{
set_interrupt_status(spu, op);
spu.pc = spu_branch_target(spu.gpr[op.ra]._u32[3]) - 4;
set_interrupt_status(spu, op);
}
}
@ -322,8 +328,8 @@ void spu_interpreter::BINZ(SPUThread& spu, spu_opcode_t op)
{
if (spu.gpr[op.rt]._u32[3] != 0)
{
set_interrupt_status(spu, op);
spu.pc = spu_branch_target(spu.gpr[op.ra]._u32[3]) - 4;
set_interrupt_status(spu, op);
}
}
@ -331,8 +337,8 @@ void spu_interpreter::BIHZ(SPUThread& spu, spu_opcode_t op)
{
if (spu.gpr[op.rt]._u16[6] == 0)
{
set_interrupt_status(spu, op);
spu.pc = spu_branch_target(spu.gpr[op.ra]._u32[3]) - 4;
set_interrupt_status(spu, op);
}
}
@ -340,8 +346,8 @@ void spu_interpreter::BIHNZ(SPUThread& spu, spu_opcode_t op)
{
if (spu.gpr[op.rt]._u16[6] != 0)
{
set_interrupt_status(spu, op);
spu.pc = spu_branch_target(spu.gpr[op.ra]._u32[3]) - 4;
set_interrupt_status(spu, op);
}
}
@ -357,21 +363,22 @@ void spu_interpreter::STQX(SPUThread& spu, spu_opcode_t op)
void spu_interpreter::BI(SPUThread& spu, spu_opcode_t op)
{
set_interrupt_status(spu, op);
spu.pc = spu_branch_target(spu.gpr[op.ra]._u32[3]) - 4;
set_interrupt_status(spu, op);
}
void spu_interpreter::BISL(SPUThread& spu, spu_opcode_t op)
{
set_interrupt_status(spu, op);
const u32 target = spu_branch_target(spu.gpr[op.ra]._u32[3]);
spu.gpr[op.rt] = v128::from32r(spu_branch_target(spu.pc + 4));
spu.pc = target - 4;
set_interrupt_status(spu, op);
}
void spu_interpreter::IRET(SPUThread& spu, spu_opcode_t op)
{
fmt::throw_exception("Unimplemented instruction" HERE);
spu.pc = spu_branch_target(spu.srr0) - 4;
set_interrupt_status(spu, op);
}
void spu_interpreter::BISLED(SPUThread& spu, spu_opcode_t op)

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@ -76,4 +76,10 @@ void spu_recompiler_base::enter(SPUThread& spu)
}
spu.pc = res & 0x3fffc;
if ((spu.ch_event_stat & SPU_EVENT_INTR_TEST) > SPU_EVENT_INTR_ENABLED)
{
spu.ch_event_stat &= ~SPU_EVENT_INTR_ENABLED;
spu.srr0 = std::exchange(spu.pc, 0);
}
}

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@ -146,6 +146,7 @@ void SPUThread::cpu_init()
ch_mfc_args = {};
mfc_queue.clear();
srr0 = 0;
ch_tag_mask = 0;
ch_tag_stat.data.store({});
ch_stall_stat.data.store({});
@ -371,6 +372,7 @@ void SPUThread::do_dma_list_cmd(u32 cmd, spu_mfc_arg_t args)
if (rec->sb & 0x8000)
{
ch_stall_stat.set_value((1 << args.tag) | ch_stall_stat.get_value());
ch_event_stat |= SPU_EVENT_SN;
spu_mfc_arg_t stalled;
stalled.ea = (args.ea & ~0xffffffff) | (list_addr + (i + 1) * 8);
@ -418,11 +420,6 @@ void SPUThread::process_mfc_cmd(u32 cmd)
case MFC_GETLLAR_CMD: // acquire reservation
{
if (ch_mfc_args.size != 128)
{
break;
}
const u32 raddr = vm::cast(ch_mfc_args.ea, HERE);
vm::reservation_acquire(vm::base(offset + ch_mfc_args.lsa), raddr, 128);
@ -437,11 +434,6 @@ void SPUThread::process_mfc_cmd(u32 cmd)
case MFC_PUTLLC_CMD: // store conditionally
{
if (ch_mfc_args.size != 128)
{
break;
}
if (vm::reservation_update(vm::cast(ch_mfc_args.ea, HERE), vm::base(offset + ch_mfc_args.lsa), 128))
{
if (std::exchange(last_raddr, 0) == 0)
@ -465,11 +457,6 @@ void SPUThread::process_mfc_cmd(u32 cmd)
case MFC_PUTLLUC_CMD: // store unconditionally
case MFC_PUTQLLUC_CMD:
{
if (ch_mfc_args.size != 128)
{
break;
}
vm::reservation_op(vm::cast(ch_mfc_args.ea, HERE), 128, [this]()
{
std::memcpy(vm::base_priv(vm::cast(ch_mfc_args.ea, HERE)), vm::base(offset + ch_mfc_args.lsa), 128);
@ -512,9 +499,12 @@ u32 SPUThread::get_events(bool waiting)
}
// SPU Decrementer Event
if ((ch_dec_value - (get_timebased_time() - ch_dec_start_timestamp)) >> 31)
if (!ch_dec_value || (ch_dec_value - (get_timebased_time() - ch_dec_start_timestamp)) >> 31)
{
ch_event_stat |= SPU_EVENT_TM;
if ((ch_event_stat & SPU_EVENT_TM) == 0)
{
ch_event_stat |= SPU_EVENT_TM;
}
}
// initialize waiting
@ -562,7 +552,7 @@ void SPUThread::set_interrupt_status(bool enable)
if (enable)
{
// detect enabling interrupts with events masked
if (u32 mask = ch_event_mask)
if (u32 mask = ch_event_mask & ~SPU_EVENT_INTR_IMPLEMENTED)
{
fmt::throw_exception("SPU Interrupts not implemented (mask=0x%x)" HERE, mask);
}
@ -617,9 +607,11 @@ bool SPUThread::get_ch_value(u32 ch, u32& out)
switch (ch)
{
//case SPU_RdSRR0:
// value = SRR0;
// break;
case SPU_RdSRR0:
{
out = srr0;
break;
}
case SPU_RdInMbox:
{
while (true)
@ -738,9 +730,12 @@ bool SPUThread::set_ch_value(u32 ch, u32 value)
switch (ch)
{
//case SPU_WrSRR0:
// SRR0 = value & 0x3FFFC; //LSLR & ~3
// break;
case SPU_WrSRR0:
{
srr0 = value;
break;
}
case SPU_WrOutIntrMbox:
{
if (offset >= RAW_SPU_BASE_ADDR)
@ -1013,7 +1008,7 @@ bool SPUThread::set_ch_value(u32 ch, u32 value)
case SPU_WrEventMask:
{
// detect masking events with enabled interrupt status
if (value && ch_event_stat & SPU_EVENT_INTR_ENABLED)
if (value & ~SPU_EVENT_INTR_IMPLEMENTED && ch_event_stat & SPU_EVENT_INTR_ENABLED)
{
fmt::throw_exception("SPU Interrupts not implemented (mask=0x%x)" HERE, value);
}

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@ -63,11 +63,14 @@ enum : u32
SPU_EVENT_SN = 0x2, // MFC List Command stall-and-notify event
SPU_EVENT_TG = 0x1, // MFC Tag Group status update event
SPU_EVENT_IMPLEMENTED = SPU_EVENT_LR | SPU_EVENT_TM, // Mask of implemented events
SPU_EVENT_IMPLEMENTED = SPU_EVENT_LR | SPU_EVENT_TM | SPU_EVENT_SN, // Mask of implemented events
SPU_EVENT_INTR_IMPLEMENTED = SPU_EVENT_SN,
SPU_EVENT_WAITING = 0x80000000, // Originally unused, set when SPU thread starts waiting on ch_event_stat
//SPU_EVENT_AVAILABLE = 0x40000000, // Originally unused, channel count of the SPU_RdEventStat channel
SPU_EVENT_INTR_ENABLED = 0x20000000, // Originally unused, represents "SPU Interrupts Enabled" status
SPU_EVENT_INTR_TEST = SPU_EVENT_INTR_ENABLED | SPU_EVENT_INTR_IMPLEMENTED
};
// SPU Class 0 Interrupts
@ -516,6 +519,7 @@ public:
std::vector<std::pair<u32, spu_mfc_arg_t>> mfc_queue; // Only used for stalled list transfers
u32 srr0;
u32 ch_tag_mask;
spu_channel_t ch_tag_stat;
spu_channel_t ch_stall_stat;