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50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
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#include "StallTest3.h"
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#include "VuAssembler.h"
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void CStallTest3::Execute(CTestVm& virtualMachine)
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{
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virtualMachine.Reset();
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auto microMem = reinterpret_cast<uint32*>(virtualMachine.m_microMem);
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//Inspired by God of War
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CVuAssembler assembler(microMem);
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//pipeTime = 0, CLIP & MFIR results available in pipeTime 4
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assembler.Write(
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CVuAssembler::Upper::CLIP(CVuAssembler::VF18, CVuAssembler::VF0),
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CVuAssembler::Lower::MFIR(CVuAssembler::DEST_X, CVuAssembler::VF1, CVuAssembler::VI10));
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//pipeTime = 1, CLIP result available in pipeTime 5
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assembler.Write(
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CVuAssembler::Upper::CLIP(CVuAssembler::VF19, CVuAssembler::VF0),
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CVuAssembler::Lower::IADDIU(CVuAssembler::VI15, CVuAssembler::VI0, 0xBEF));
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//pipeTime = 2, 3, 4
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//FMAC stalling till pipeTime 4 because results in VF1x are not ready
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::MTIR(CVuAssembler::VI10, CVuAssembler::VF1, CVuAssembler::FVF_X));
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//pipeTime = 5
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::FCGET(CVuAssembler::VI10));
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assembler.Write(
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CVuAssembler::Upper::NOP() | CVuAssembler::Upper::E_BIT,
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CVuAssembler::Lower::NOP());
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::NOP());
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virtualMachine.m_cpu.m_State.nCOP2[18] = uint128{Float::_2, Float::_Minus1, Float::_2, Float::_1};
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virtualMachine.m_cpu.m_State.nCOP2[19] = uint128{Float::_Minus1, Float::_2, Float::_Minus1, Float::_1};
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virtualMachine.ExecuteTest(0);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2VI[10] == 0x444);
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}
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