54ea2285f0
* Refactoring of KMemoryManager class * Replace some trivial uses of DRAM address with VA * Get rid of GetDramAddressFromVa * Abstracting more operations on derived page table class * Run auto-format on KPageTableBase * Managed to make TryConvertVaToPa private, few uses remains now * Implement guest physical pages ref counting, remove manual freeing * Make DoMmuOperation private and call new abstract methods only from the base class * Pass pages count rather than size on Map/UnmapMemory * Change memory managers to take host pointers * Fix a guest memory leak and simplify KPageTable * Expose new methods for host range query and mapping * Some refactoring of MapPagesFromClientProcess to allow proper page ref counting and mapping without KPageLists * Remove more uses of AddVaRangeToPageList, now only one remains (shared memory page checking) * Add a SharedMemoryStorage class, will be useful for host mapping * Sayonara AddVaRangeToPageList, you served us well * Start to implement host memory mapping (WIP) * Support memory tracking through host exception handling * Fix some access violations from HLE service guest memory access and CPU * Fix memory tracking * Fix mapping list bugs, including a race and a error adding mapping ranges * Simple page table for memory tracking * Simple "volatile" region handle mode * Update UBOs directly (experimental, rough) * Fix the overlap check * Only set non-modified buffers as volatile * Fix some memory tracking issues * Fix possible race in MapBufferFromClientProcess (block list updates were not locked) * Write uniform update to memory immediately, only defer the buffer set. * Fix some memory tracking issues * Pass correct pages count on shared memory unmap * Armeilleure Signal Handler v1 + Unix changes Unix currently behaves like windows, rather than remapping physical * Actually check if the host platform is unix * Fix decommit on linux. * Implement windows 10 placeholder shared memory, fix a buffer issue. * Make PTC version something that will never match with master * Remove testing variable for block count * Add reference count for memory manager, fix dispose Can still deadlock with OpenAL * Add address validation, use page table for mapped check, add docs Might clean up the page table traversing routines. * Implement batched mapping/tracking. * Move documentation, fix tests. * Cleanup uniform buffer update stuff. * Remove unnecessary assignment. * Add unsafe host mapped memory switch On by default. Would be good to turn this off for untrusted code (homebrew, exefs mods) and give the user the option to turn it on manually, though that requires some UI work. * Remove C# exception handlers They have issues due to current .NET limitations, so the meilleure one fully replaces them for now. * Fix MapPhysicalMemory on the software MemoryManager. * Null check for GetHostAddress, docs * Add configuration for setting memory manager mode (not in UI yet) * Add config to UI * Fix type mismatch on Unix signal handler code emit * Fix 6GB DRAM mode. The size can be greater than `uint.MaxValue` when the DRAM is >4GB. * Address some feedback. * More detailed error if backing memory cannot be mapped. * SetLastError on all OS functions for consistency * Force pages dirty with UBO update instead of setting them directly. Seems to be much faster across a few games. Need retesting. * Rebase, configuration rework, fix mem tracking regression * Fix race in FreePages * Set memory managers null after decrementing ref count * Remove readonly keyword, as this is now modified. * Use a local variable for the signal handler rather than a register. * Fix bug with buffer resize, and index/uniform buffer binding. Should fix flickering in games. * Add InvalidAccessHandler to MemoryTracking Doesn't do anything yet * Call invalid access handler on unmapped read/write. Same rules as the regular memory manager. * Make unsafe mapped memory its own MemoryManagerType * Move FlushUboDirty into UpdateState. * Buffer dirty cache, rather than ubo cache Much cleaner, may be reusable for Inline2Memory updates. * This doesn't return anything anymore. * Add sigaction remove methods, correct a few function signatures. * Return empty list of physical regions for size 0. * Also on AddressSpaceManager Co-authored-by: gdkchan <gab.dark.100@gmail.com>
571 lines
21 KiB
C#
571 lines
21 KiB
C#
using ARMeilleure.State;
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using ARMeilleure.Translation;
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using NUnit.Framework;
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using Ryujinx.Cpu;
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using Ryujinx.Memory;
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using Ryujinx.Tests.Unicorn;
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using System;
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using MemoryPermission = Ryujinx.Tests.Unicorn.MemoryPermission;
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namespace Ryujinx.Tests.Cpu
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{
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[TestFixture]
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public class CpuTest32
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{
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protected const uint Size = 0x1000;
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protected const uint CodeBaseAddress = 0x1000;
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protected const uint DataBaseAddress = CodeBaseAddress + Size;
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private uint _currAddress;
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private MemoryBlock _ram;
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private MemoryManager _memory;
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private ExecutionContext _context;
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private CpuContext _cpuContext;
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private static bool _unicornAvailable;
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private UnicornAArch32 _unicornEmu;
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private bool _usingMemory;
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static CpuTest32()
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{
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_unicornAvailable = UnicornAArch32.IsAvailable();
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if (!_unicornAvailable)
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{
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Console.WriteLine("WARNING: Could not find Unicorn.");
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}
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}
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[SetUp]
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public void Setup()
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{
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_currAddress = CodeBaseAddress;
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_ram = new MemoryBlock(Size * 2);
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_memory = new MemoryManager(1ul << 16);
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_memory.IncrementReferenceCount();
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_memory.Map(CodeBaseAddress, _ram.GetPointer(0, Size * 2), Size * 2);
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_context = CpuContext.CreateExecutionContext();
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_context.IsAarch32 = true;
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Translator.IsReadyForTranslation.Set();
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_cpuContext = new CpuContext(_memory);
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if (_unicornAvailable)
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{
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_unicornEmu = new UnicornAArch32();
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_unicornEmu.MemoryMap(CodeBaseAddress, Size, MemoryPermission.READ | MemoryPermission.EXEC);
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_unicornEmu.MemoryMap(DataBaseAddress, Size, MemoryPermission.READ | MemoryPermission.WRITE);
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_unicornEmu.PC = CodeBaseAddress;
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}
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}
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[TearDown]
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public void Teardown()
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{
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_memory.DecrementReferenceCount();
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_context.Dispose();
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_ram.Dispose();
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_memory = null;
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_context = null;
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_cpuContext = null;
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_unicornEmu = null;
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_usingMemory = false;
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}
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protected void Reset()
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{
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Teardown();
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Setup();
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}
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protected void Opcode(uint opcode)
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{
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_memory.Write(_currAddress, opcode);
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if (_unicornAvailable)
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{
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_unicornEmu.MemoryWrite32(_currAddress, opcode);
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}
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_currAddress += 4;
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}
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protected ExecutionContext GetContext() => _context;
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protected void SetContext(uint r0 = 0,
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uint r1 = 0,
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uint r2 = 0,
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uint r3 = 0,
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uint sp = 0,
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V128 v0 = default,
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V128 v1 = default,
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V128 v2 = default,
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V128 v3 = default,
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V128 v4 = default,
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V128 v5 = default,
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V128 v14 = default,
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V128 v15 = default,
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bool saturation = false,
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bool overflow = false,
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bool carry = false,
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bool zero = false,
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bool negative = false,
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int fpscr = 0)
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{
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_context.SetX(0, r0);
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_context.SetX(1, r1);
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_context.SetX(2, r2);
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_context.SetX(3, r3);
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_context.SetX(13, sp);
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_context.SetV(0, v0);
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_context.SetV(1, v1);
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_context.SetV(2, v2);
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_context.SetV(3, v3);
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_context.SetV(4, v4);
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_context.SetV(5, v5);
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_context.SetV(14, v14);
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_context.SetV(15, v15);
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_context.SetPstateFlag(PState.QFlag, saturation);
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_context.SetPstateFlag(PState.VFlag, overflow);
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_context.SetPstateFlag(PState.CFlag, carry);
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_context.SetPstateFlag(PState.ZFlag, zero);
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_context.SetPstateFlag(PState.NFlag, negative);
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SetFpscr((uint)fpscr);
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if (_unicornAvailable)
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{
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_unicornEmu.R[0] = r0;
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_unicornEmu.R[1] = r1;
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_unicornEmu.R[2] = r2;
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_unicornEmu.R[3] = r3;
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_unicornEmu.SP = sp;
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_unicornEmu.Q[0] = V128ToSimdValue(v0);
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_unicornEmu.Q[1] = V128ToSimdValue(v1);
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_unicornEmu.Q[2] = V128ToSimdValue(v2);
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_unicornEmu.Q[3] = V128ToSimdValue(v3);
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_unicornEmu.Q[4] = V128ToSimdValue(v4);
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_unicornEmu.Q[5] = V128ToSimdValue(v5);
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_unicornEmu.Q[14] = V128ToSimdValue(v14);
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_unicornEmu.Q[15] = V128ToSimdValue(v15);
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_unicornEmu.QFlag = saturation;
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_unicornEmu.OverflowFlag = overflow;
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_unicornEmu.CarryFlag = carry;
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_unicornEmu.ZeroFlag = zero;
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_unicornEmu.NegativeFlag = negative;
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_unicornEmu.Fpscr = fpscr;
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}
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}
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protected void ExecuteOpcodes(bool runUnicorn = true)
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{
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_cpuContext.Execute(_context, CodeBaseAddress);
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if (_unicornAvailable && runUnicorn)
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{
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_unicornEmu.RunForCount((_currAddress - CodeBaseAddress - 4) / 4);
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}
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}
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protected ExecutionContext SingleOpcode(uint opcode,
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uint r0 = 0,
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uint r1 = 0,
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uint r2 = 0,
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uint r3 = 0,
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uint sp = 0,
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V128 v0 = default,
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V128 v1 = default,
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V128 v2 = default,
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V128 v3 = default,
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V128 v4 = default,
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V128 v5 = default,
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V128 v14 = default,
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V128 v15 = default,
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bool saturation = false,
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bool overflow = false,
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bool carry = false,
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bool zero = false,
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bool negative = false,
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int fpscr = 0,
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bool runUnicorn = true)
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{
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Opcode(opcode);
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Opcode(0xE12FFF1E); // BX LR
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SetContext(r0, r1, r2, r3, sp, v0, v1, v2, v3, v4, v5, v14, v15, saturation, overflow, carry, zero, negative, fpscr);
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ExecuteOpcodes(runUnicorn);
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return GetContext();
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}
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protected void SetWorkingMemory(uint offset, byte[] data)
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{
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_memory.Write(DataBaseAddress + offset, data);
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if (_unicornAvailable)
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{
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_unicornEmu.MemoryWrite(DataBaseAddress + offset, data);
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}
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_usingMemory = true; // When true, CompareAgainstUnicorn checks the working memory for equality too.
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}
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/// <summary>Rounding Mode control field.</summary>
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public enum RMode
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{
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/// <summary>Round to Nearest mode.</summary>
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Rn,
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/// <summary>Round towards Plus Infinity mode.</summary>
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Rp,
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/// <summary>Round towards Minus Infinity mode.</summary>
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Rm,
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/// <summary>Round towards Zero mode.</summary>
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Rz
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};
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/// <summary>Floating-point Control Register.</summary>
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protected enum Fpcr
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{
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/// <summary>Rounding Mode control field.</summary>
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RMode = 22,
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/// <summary>Flush-to-zero mode control bit.</summary>
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Fz = 24,
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/// <summary>Default NaN mode control bit.</summary>
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Dn = 25,
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/// <summary>Alternative half-precision control bit.</summary>
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Ahp = 26
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}
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/// <summary>Floating-point Status Register.</summary>
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[Flags]
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protected enum Fpsr
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{
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None = 0,
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/// <summary>Invalid Operation cumulative floating-point exception bit.</summary>
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Ioc = 1 << 0,
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/// <summary>Divide by Zero cumulative floating-point exception bit.</summary>
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Dzc = 1 << 1,
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/// <summary>Overflow cumulative floating-point exception bit.</summary>
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Ofc = 1 << 2,
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/// <summary>Underflow cumulative floating-point exception bit.</summary>
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Ufc = 1 << 3,
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/// <summary>Inexact cumulative floating-point exception bit.</summary>
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Ixc = 1 << 4,
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/// <summary>Input Denormal cumulative floating-point exception bit.</summary>
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Idc = 1 << 7,
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/// <summary>Cumulative saturation bit.</summary>
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Qc = 1 << 27,
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/// <summary>NZCV flags.</summary>
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Nzcv = (1 << 31) | (1 << 30) | (1 << 29) | (1 << 28)
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}
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[Flags]
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protected enum FpSkips
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{
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None = 0,
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IfNaNS = 1,
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IfNaND = 2,
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IfUnderflow = 4,
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IfOverflow = 8
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}
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protected enum FpTolerances
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{
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None,
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UpToOneUlpsS,
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UpToOneUlpsD
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}
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protected void CompareAgainstUnicorn(
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Fpsr fpsrMask = Fpsr.None,
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FpSkips fpSkips = FpSkips.None,
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FpTolerances fpTolerances = FpTolerances.None)
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{
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if (!_unicornAvailable)
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{
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return;
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}
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if (fpSkips != FpSkips.None)
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{
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ManageFpSkips(fpSkips);
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}
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Assert.That(_context.GetX(0), Is.EqualTo(_unicornEmu.R[0]), "R0");
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Assert.That(_context.GetX(1), Is.EqualTo(_unicornEmu.R[1]), "R1");
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Assert.That(_context.GetX(2), Is.EqualTo(_unicornEmu.R[2]), "R2");
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Assert.That(_context.GetX(3), Is.EqualTo(_unicornEmu.R[3]), "R3");
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Assert.That(_context.GetX(4), Is.EqualTo(_unicornEmu.R[4]));
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Assert.That(_context.GetX(5), Is.EqualTo(_unicornEmu.R[5]));
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Assert.That(_context.GetX(6), Is.EqualTo(_unicornEmu.R[6]));
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Assert.That(_context.GetX(7), Is.EqualTo(_unicornEmu.R[7]));
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Assert.That(_context.GetX(8), Is.EqualTo(_unicornEmu.R[8]));
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Assert.That(_context.GetX(9), Is.EqualTo(_unicornEmu.R[9]));
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Assert.That(_context.GetX(10), Is.EqualTo(_unicornEmu.R[10]));
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Assert.That(_context.GetX(11), Is.EqualTo(_unicornEmu.R[11]));
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Assert.That(_context.GetX(12), Is.EqualTo(_unicornEmu.R[12]));
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Assert.That(_context.GetX(13), Is.EqualTo(_unicornEmu.SP), "SP");
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Assert.That(_context.GetX(14), Is.EqualTo(_unicornEmu.R[14]));
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if (fpTolerances == FpTolerances.None)
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{
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Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]), "V0");
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}
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else
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{
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ManageFpTolerances(fpTolerances);
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}
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Assert.That(V128ToSimdValue(_context.GetV(1)), Is.EqualTo(_unicornEmu.Q[1]), "V1");
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Assert.That(V128ToSimdValue(_context.GetV(2)), Is.EqualTo(_unicornEmu.Q[2]), "V2");
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Assert.That(V128ToSimdValue(_context.GetV(3)), Is.EqualTo(_unicornEmu.Q[3]), "V3");
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Assert.That(V128ToSimdValue(_context.GetV(4)), Is.EqualTo(_unicornEmu.Q[4]), "V4");
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Assert.That(V128ToSimdValue(_context.GetV(5)), Is.EqualTo(_unicornEmu.Q[5]), "V5");
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Assert.That(V128ToSimdValue(_context.GetV(6)), Is.EqualTo(_unicornEmu.Q[6]));
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Assert.That(V128ToSimdValue(_context.GetV(7)), Is.EqualTo(_unicornEmu.Q[7]));
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Assert.That(V128ToSimdValue(_context.GetV(8)), Is.EqualTo(_unicornEmu.Q[8]));
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Assert.That(V128ToSimdValue(_context.GetV(9)), Is.EqualTo(_unicornEmu.Q[9]));
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Assert.That(V128ToSimdValue(_context.GetV(10)), Is.EqualTo(_unicornEmu.Q[10]));
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Assert.That(V128ToSimdValue(_context.GetV(11)), Is.EqualTo(_unicornEmu.Q[11]));
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Assert.That(V128ToSimdValue(_context.GetV(12)), Is.EqualTo(_unicornEmu.Q[12]));
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Assert.That(V128ToSimdValue(_context.GetV(13)), Is.EqualTo(_unicornEmu.Q[13]));
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Assert.That(V128ToSimdValue(_context.GetV(14)), Is.EqualTo(_unicornEmu.Q[14]), "V14");
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Assert.That(V128ToSimdValue(_context.GetV(15)), Is.EqualTo(_unicornEmu.Q[15]), "V15");
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Assert.Multiple(() =>
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{
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Assert.That(_context.GetPstateFlag(PState.QFlag), Is.EqualTo(_unicornEmu.QFlag), "QFlag");
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Assert.That(_context.GetPstateFlag(PState.VFlag), Is.EqualTo(_unicornEmu.OverflowFlag), "VFlag");
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Assert.That(_context.GetPstateFlag(PState.CFlag), Is.EqualTo(_unicornEmu.CarryFlag), "CFlag");
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Assert.That(_context.GetPstateFlag(PState.ZFlag), Is.EqualTo(_unicornEmu.ZeroFlag), "ZFlag");
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Assert.That(_context.GetPstateFlag(PState.NFlag), Is.EqualTo(_unicornEmu.NegativeFlag), "NFlag");
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});
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Assert.That((int)GetFpscr() & (int)fpsrMask, Is.EqualTo(_unicornEmu.Fpscr & (int)fpsrMask), "Fpscr");
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if (_usingMemory)
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{
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byte[] mem = _memory.GetSpan(DataBaseAddress, (int)Size).ToArray();
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byte[] unicornMem = _unicornEmu.MemoryRead(DataBaseAddress, Size);
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Assert.That(mem, Is.EqualTo(unicornMem), "Data");
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}
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}
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private void ManageFpSkips(FpSkips fpSkips)
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{
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if (fpSkips.HasFlag(FpSkips.IfNaNS))
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{
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if (float.IsNaN(_unicornEmu.Q[0].AsFloat()))
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{
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Assert.Ignore("NaN test.");
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}
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}
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else if (fpSkips.HasFlag(FpSkips.IfNaND))
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{
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if (double.IsNaN(_unicornEmu.Q[0].AsDouble()))
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{
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Assert.Ignore("NaN test.");
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}
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}
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if (fpSkips.HasFlag(FpSkips.IfUnderflow))
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{
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if ((_unicornEmu.Fpscr & (int)Fpsr.Ufc) != 0)
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{
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Assert.Ignore("Underflow test.");
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}
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}
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if (fpSkips.HasFlag(FpSkips.IfOverflow))
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{
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if ((_unicornEmu.Fpscr & (int)Fpsr.Ofc) != 0)
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{
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Assert.Ignore("Overflow test.");
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}
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}
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}
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private void ManageFpTolerances(FpTolerances fpTolerances)
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{
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bool IsNormalOrSubnormalS(float f) => float.IsNormal(f) || float.IsSubnormal(f);
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bool IsNormalOrSubnormalD(double d) => double.IsNormal(d) || double.IsSubnormal(d);
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if (!Is.EqualTo(_unicornEmu.Q[0]).ApplyTo(V128ToSimdValue(_context.GetV(0))).IsSuccess)
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{
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if (fpTolerances == FpTolerances.UpToOneUlpsS)
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{
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if (IsNormalOrSubnormalS(_unicornEmu.Q[0].AsFloat()) &&
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IsNormalOrSubnormalS(_context.GetV(0).As<float>()))
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{
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Assert.Multiple(() =>
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{
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Assert.That(_context.GetV(0).Extract<float>(0),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(0)).Within(1).Ulps, "V0[0]");
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Assert.That(_context.GetV(0).Extract<float>(1),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(1)).Within(1).Ulps, "V0[1]");
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Assert.That(_context.GetV(0).Extract<float>(2),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(2)).Within(1).Ulps, "V0[2]");
|
|
Assert.That(_context.GetV(0).Extract<float>(3),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetFloat(3)).Within(1).Ulps, "V0[3]");
|
|
});
|
|
|
|
Console.WriteLine(fpTolerances);
|
|
}
|
|
else
|
|
{
|
|
Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
|
|
}
|
|
}
|
|
|
|
if (fpTolerances == FpTolerances.UpToOneUlpsD)
|
|
{
|
|
if (IsNormalOrSubnormalD(_unicornEmu.Q[0].AsDouble()) &&
|
|
IsNormalOrSubnormalD(_context.GetV(0).As<double>()))
|
|
{
|
|
Assert.Multiple(() =>
|
|
{
|
|
Assert.That(_context.GetV(0).Extract<double>(0),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetDouble(0)).Within(1).Ulps, "V0[0]");
|
|
Assert.That(_context.GetV(0).Extract<double>(1),
|
|
Is.EqualTo(_unicornEmu.Q[0].GetDouble(1)).Within(1).Ulps, "V0[1]");
|
|
});
|
|
|
|
Console.WriteLine(fpTolerances);
|
|
}
|
|
else
|
|
{
|
|
Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static SimdValue V128ToSimdValue(V128 value)
|
|
{
|
|
return new SimdValue(value.Extract<ulong>(0), value.Extract<ulong>(1));
|
|
}
|
|
|
|
protected static V128 MakeVectorScalar(float value) => new V128(value);
|
|
protected static V128 MakeVectorScalar(double value) => new V128(value);
|
|
|
|
protected static V128 MakeVectorE0(ulong e0) => new V128(e0, 0);
|
|
protected static V128 MakeVectorE1(ulong e1) => new V128(0, e1);
|
|
|
|
protected static V128 MakeVectorE0E1(ulong e0, ulong e1) => new V128(e0, e1);
|
|
|
|
protected static V128 MakeVectorE0E1E2E3(uint e0, uint e1, uint e2, uint e3)
|
|
{
|
|
return new V128(e0, e1, e2, e3);
|
|
}
|
|
|
|
protected static ulong GetVectorE0(V128 vector) => vector.Extract<ulong>(0);
|
|
protected static ulong GetVectorE1(V128 vector) => vector.Extract<ulong>(1);
|
|
|
|
protected static ushort GenNormalH()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUShort();
|
|
while ((rnd & 0x7C00u) == 0u ||
|
|
(~rnd & 0x7C00u) == 0u);
|
|
|
|
return (ushort)rnd;
|
|
}
|
|
|
|
protected static ushort GenSubnormalH()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUShort();
|
|
while ((rnd & 0x03FFu) == 0u);
|
|
|
|
return (ushort)(rnd & 0x83FFu);
|
|
}
|
|
|
|
protected static uint GenNormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while ((rnd & 0x7F800000u) == 0u ||
|
|
(~rnd & 0x7F800000u) == 0u);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static uint GenSubnormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while ((rnd & 0x007FFFFFu) == 0u);
|
|
|
|
return rnd & 0x807FFFFFu;
|
|
}
|
|
|
|
protected static ulong GenNormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while ((rnd & 0x7FF0000000000000ul) == 0ul ||
|
|
(~rnd & 0x7FF0000000000000ul) == 0ul);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static ulong GenSubnormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while ((rnd & 0x000FFFFFFFFFFFFFul) == 0ul);
|
|
|
|
return rnd & 0x800FFFFFFFFFFFFFul;
|
|
}
|
|
|
|
private uint GetFpscr()
|
|
{
|
|
uint fpscr = (uint)(_context.Fpsr & FPSR.A32Mask & ~FPSR.Nzcv) | (uint)(_context.Fpcr & FPCR.A32Mask);
|
|
|
|
fpscr |= _context.GetFPstateFlag(FPState.NFlag) ? (1u << (int)FPState.NFlag) : 0;
|
|
fpscr |= _context.GetFPstateFlag(FPState.ZFlag) ? (1u << (int)FPState.ZFlag) : 0;
|
|
fpscr |= _context.GetFPstateFlag(FPState.CFlag) ? (1u << (int)FPState.CFlag) : 0;
|
|
fpscr |= _context.GetFPstateFlag(FPState.VFlag) ? (1u << (int)FPState.VFlag) : 0;
|
|
|
|
return fpscr;
|
|
}
|
|
|
|
private void SetFpscr(uint fpscr)
|
|
{
|
|
_context.Fpsr = FPSR.A32Mask & (FPSR)fpscr;
|
|
_context.Fpcr = FPCR.A32Mask & (FPCR)fpscr;
|
|
|
|
_context.SetFPstateFlag(FPState.NFlag, (fpscr & (1u << (int)FPState.NFlag)) != 0);
|
|
_context.SetFPstateFlag(FPState.ZFlag, (fpscr & (1u << (int)FPState.ZFlag)) != 0);
|
|
_context.SetFPstateFlag(FPState.CFlag, (fpscr & (1u << (int)FPState.CFlag)) != 0);
|
|
_context.SetFPstateFlag(FPState.VFlag, (fpscr & (1u << (int)FPState.VFlag)) != 0);
|
|
}
|
|
}
|
|
}
|