Merge pull request #7253 from booto/fifo_reg
CP: some bits in some of the HI registers cannot be set
This commit is contained in:
commit
6a22f1b3e0
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@ -140,52 +140,63 @@ void Init()
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void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
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{
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constexpr u16 WMASK_NONE = 0x0000;
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constexpr u16 WMASK_ALL = 0xffff;
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constexpr u16 WMASK_LO_ALIGN_32BIT = 0xffe0;
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const u16 WMASK_HI_RESTRICT = SConfig::GetInstance().bWii ? 0x1fff : 0x03ff;
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struct
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{
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u32 addr;
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u16* ptr;
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bool readonly;
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bool writes_align_to_32_bytes;
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// FIFO mmio regs in the range [cc000020-cc00003e] have certain bits that always read as 0
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// For _LO registers in this range, only bits 0xffe0 can be set
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// For _HI registers in this range, only bits 0x03ff can be set on GCN and 0x1fff on Wii
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u16 wmask;
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} directly_mapped_vars[] = {
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{FIFO_TOKEN_REGISTER, &m_tokenReg},
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{FIFO_TOKEN_REGISTER, &m_tokenReg, false, WMASK_ALL},
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// Bounding box registers are read only.
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{FIFO_BOUNDING_BOX_LEFT, &m_bboxleft, true},
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{FIFO_BOUNDING_BOX_RIGHT, &m_bboxright, true},
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{FIFO_BOUNDING_BOX_TOP, &m_bboxtop, true},
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{FIFO_BOUNDING_BOX_BOTTOM, &m_bboxbottom, true},
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// Some FIFO addresses need to be aligned on 32 bytes on write - only
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// the high part can be written directly without a mask.
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{FIFO_BASE_LO, MMIO::Utils::LowPart(&fifo.CPBase), false, true},
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{FIFO_BASE_HI, MMIO::Utils::HighPart(&fifo.CPBase)},
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{FIFO_END_LO, MMIO::Utils::LowPart(&fifo.CPEnd), false, true},
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{FIFO_END_HI, MMIO::Utils::HighPart(&fifo.CPEnd)},
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{FIFO_HI_WATERMARK_LO, MMIO::Utils::LowPart(&fifo.CPHiWatermark)},
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{FIFO_HI_WATERMARK_HI, MMIO::Utils::HighPart(&fifo.CPHiWatermark)},
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{FIFO_LO_WATERMARK_LO, MMIO::Utils::LowPart(&fifo.CPLoWatermark)},
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{FIFO_LO_WATERMARK_HI, MMIO::Utils::HighPart(&fifo.CPLoWatermark)},
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{FIFO_BOUNDING_BOX_LEFT, &m_bboxleft, true, WMASK_NONE},
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{FIFO_BOUNDING_BOX_RIGHT, &m_bboxright, true, WMASK_NONE},
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{FIFO_BOUNDING_BOX_TOP, &m_bboxtop, true, WMASK_NONE},
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{FIFO_BOUNDING_BOX_BOTTOM, &m_bboxbottom, true, WMASK_NONE},
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{FIFO_BASE_LO, MMIO::Utils::LowPart(&fifo.CPBase), false, WMASK_LO_ALIGN_32BIT},
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{FIFO_BASE_HI, MMIO::Utils::HighPart(&fifo.CPBase), false, WMASK_HI_RESTRICT},
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{FIFO_END_LO, MMIO::Utils::LowPart(&fifo.CPEnd), false, WMASK_LO_ALIGN_32BIT},
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{FIFO_END_HI, MMIO::Utils::HighPart(&fifo.CPEnd), false, WMASK_HI_RESTRICT},
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{FIFO_HI_WATERMARK_LO, MMIO::Utils::LowPart(&fifo.CPHiWatermark), false,
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WMASK_LO_ALIGN_32BIT},
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{FIFO_HI_WATERMARK_HI, MMIO::Utils::HighPart(&fifo.CPHiWatermark), false, WMASK_HI_RESTRICT},
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{FIFO_LO_WATERMARK_LO, MMIO::Utils::LowPart(&fifo.CPLoWatermark), false,
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WMASK_LO_ALIGN_32BIT},
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{FIFO_LO_WATERMARK_HI, MMIO::Utils::HighPart(&fifo.CPLoWatermark), false, WMASK_HI_RESTRICT},
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// FIFO_RW_DISTANCE has some complex read code different for
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// single/dual core.
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{FIFO_WRITE_POINTER_LO, MMIO::Utils::LowPart(&fifo.CPWritePointer), false, true},
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{FIFO_WRITE_POINTER_HI, MMIO::Utils::HighPart(&fifo.CPWritePointer)},
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{FIFO_WRITE_POINTER_LO, MMIO::Utils::LowPart(&fifo.CPWritePointer), false,
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WMASK_LO_ALIGN_32BIT},
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{FIFO_WRITE_POINTER_HI, MMIO::Utils::HighPart(&fifo.CPWritePointer), false,
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WMASK_HI_RESTRICT},
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// FIFO_READ_POINTER has different code for single/dual core.
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};
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for (auto& mapped_var : directly_mapped_vars)
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{
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u16 wmask = mapped_var.writes_align_to_32_bytes ? 0xFFE0 : 0xFFFF;
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mmio->Register(base | mapped_var.addr, MMIO::DirectRead<u16>(mapped_var.ptr),
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mapped_var.readonly ? MMIO::InvalidWrite<u16>() :
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MMIO::DirectWrite<u16>(mapped_var.ptr, wmask));
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MMIO::DirectWrite<u16>(mapped_var.ptr, mapped_var.wmask));
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}
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mmio->Register(
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base | FIFO_BP_LO, MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.CPBreakpoint)),
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MMIO::ComplexWrite<u16>([](u32, u16 val) { WriteLow(fifo.CPBreakpoint, val & 0xffe0); }));
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mmio->Register(base | FIFO_BP_LO, MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.CPBreakpoint)),
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MMIO::ComplexWrite<u16>([WMASK_LO_ALIGN_32BIT](u32, u16 val) {
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WriteLow(fifo.CPBreakpoint, val & WMASK_LO_ALIGN_32BIT);
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}));
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mmio->Register(base | FIFO_BP_HI,
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MMIO::DirectRead<u16>(MMIO::Utils::HighPart(&fifo.CPBreakpoint)),
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MMIO::ComplexWrite<u16>([](u32, u16 val) { WriteHigh(fifo.CPBreakpoint, val); }));
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MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](u32, u16 val) {
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WriteHigh(fifo.CPBreakpoint, val & WMASK_HI_RESTRICT);
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}));
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// Timing and metrics MMIOs are stubbed with fixed values.
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struct
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@ -250,7 +261,8 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
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fifo.CPBase + 32);
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}) :
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MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.CPReadWriteDistance)),
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MMIO::DirectWrite<u16>(MMIO::Utils::LowPart(&fifo.CPReadWriteDistance), 0xFFE0));
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MMIO::DirectWrite<u16>(MMIO::Utils::LowPart(&fifo.CPReadWriteDistance),
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WMASK_LO_ALIGN_32BIT));
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mmio->Register(base | FIFO_RW_DISTANCE_HI,
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IsOnThread() ?
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MMIO::ComplexRead<u16>([](u32) {
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@ -261,8 +273,8 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
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fifo.CPBase + 32);
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}) :
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MMIO::DirectRead<u16>(MMIO::Utils::HighPart(&fifo.CPReadWriteDistance)),
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MMIO::ComplexWrite<u16>([](u32, u16 val) {
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WriteHigh(fifo.CPReadWriteDistance, val);
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MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](u32, u16 val) {
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WriteHigh(fifo.CPReadWriteDistance, val & WMASK_HI_RESTRICT);
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Fifo::SyncGPU(Fifo::SyncGPUReason::Other);
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if (fifo.CPReadWriteDistance == 0)
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{
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@ -275,20 +287,21 @@ void RegisterMMIO(MMIO::Mapping* mmio, u32 base)
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}
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Fifo::RunGpu();
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}));
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mmio->Register(base | FIFO_READ_POINTER_LO,
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IsOnThread() ?
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MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.SafeCPReadPointer)) :
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mmio->Register(
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base | FIFO_READ_POINTER_LO,
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IsOnThread() ? MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.SafeCPReadPointer)) :
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MMIO::DirectRead<u16>(MMIO::Utils::LowPart(&fifo.CPReadPointer)),
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MMIO::DirectWrite<u16>(MMIO::Utils::LowPart(&fifo.CPReadPointer), 0xFFE0));
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mmio->Register(base | FIFO_READ_POINTER_HI,
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IsOnThread() ?
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MMIO::DirectRead<u16>(MMIO::Utils::HighPart(&fifo.SafeCPReadPointer)) :
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MMIO::DirectWrite<u16>(MMIO::Utils::LowPart(&fifo.CPReadPointer), WMASK_LO_ALIGN_32BIT));
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mmio->Register(
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base | FIFO_READ_POINTER_HI,
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IsOnThread() ? MMIO::DirectRead<u16>(MMIO::Utils::HighPart(&fifo.SafeCPReadPointer)) :
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MMIO::DirectRead<u16>(MMIO::Utils::HighPart(&fifo.CPReadPointer)),
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IsOnThread() ? MMIO::ComplexWrite<u16>([](u32, u16 val) {
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WriteHigh(fifo.CPReadPointer, val);
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fifo.SafeCPReadPointer = fifo.CPReadPointer;
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}) :
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MMIO::DirectWrite<u16>(MMIO::Utils::HighPart(&fifo.CPReadPointer)));
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IsOnThread() ?
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MMIO::ComplexWrite<u16>([WMASK_HI_RESTRICT](u32, u16 val) {
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WriteHigh(fifo.CPReadPointer, val & WMASK_HI_RESTRICT);
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fifo.SafeCPReadPointer = fifo.CPReadPointer;
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}) :
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MMIO::DirectWrite<u16>(MMIO::Utils::HighPart(&fifo.CPReadPointer), WMASK_HI_RESTRICT));
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}
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void GatherPipeBursted()
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