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SPU MFC: Implement MFC_SDCRZ_CMD

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This commit is contained in:
Eladash 2020-05-16 20:03:27 +03:00 • committed by Ivan
parent 1a8fb61373
commit 81684919f5
4 changed files with 48 additions and 7 deletions
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32
rpcs3/Emu/Cell/SPUThread.cpp
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@ -1206,7 +1206,7 @@ void spu_thread::do_dma_transfer(const spu_mfc_cmd& args)
_ref<u32>(lsa) = value;
return;
}
else if (args.size == 4 && !is_get && thread->write_reg(eal, _ref<u32>(lsa)))
else if (args.size == 4 && !is_get && thread->write_reg(eal, args.cmd != MFC_SDCRZ_CMD ? +_ref<u32>(lsa) : 0))
{
return;
}
@ -1229,7 +1229,7 @@ void spu_thread::do_dma_transfer(const spu_mfc_cmd& args)
}
else if (!is_get && args.size == 4 && (offset == SYS_SPU_THREAD_SNR1 || offset == SYS_SPU_THREAD_SNR2))
{
spu.push_snr(SYS_SPU_THREAD_SNR2 == offset, _ref<u32>(lsa));
spu.push_snr(SYS_SPU_THREAD_SNR2 == offset, args.cmd != MFC_SDCRZ_CMD ? +_ref<u32>(lsa) : 0);
return;
}
else
@ -1243,12 +1243,26 @@ void spu_thread::do_dma_transfer(const spu_mfc_cmd& args)
}
}
u8* dst = vm::_ptr<u8>(eal);
u8* src = vm::_ptr<u8>(offset + lsa);
if (is_get)
// Keep src point to const
auto [dst, src] = [&]() -> std::pair<u8*, const u8*>
{
std::swap(dst, src);
u8* dst = vm::_ptr<u8>(eal);
u8* src = vm::_ptr<u8>(offset + lsa);
if (is_get)
{
std::swap(src, dst);
}
return {dst, src};
}();
// It is so rare that optimizations are not implemented (TODO)
alignas(64) static constexpr u8 zero_buf[0x10000]{};
if (args.cmd == MFC_SDCRZ_CMD)
{
src = zero_buf;
}
if (!g_use_rtm && (!is_get || g_cfg.core.spu_accurate_putlluc)) [[unlikely]]
@ -1878,6 +1892,9 @@ bool spu_thread::process_mfc_cmd()
switch (ch_mfc_cmd.cmd)
{
case MFC_SDCRT_CMD:
case MFC_SDCRTST_CMD:
return true;
case MFC_GETLLAR_CMD:
{
const u32 addr = ch_mfc_cmd.eal & -128;
@ -2115,6 +2132,7 @@ bool spu_thread::process_mfc_cmd()
case MFC_GET_CMD:
case MFC_GETB_CMD:
case MFC_GETF_CMD:
case MFC_SDCRZ_CMD:
{
if (ch_mfc_cmd.size <= 0x4000) [[likely]]
{