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ARMeilleure: Thumb support (All T16 instructions) (#3105)

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* Decoders: Add InITBlock argument

* OpCodeTable: Minor cleanup

* OpCodeTable: Remove existing thumb instruction implementations

* OpCodeTable: Prepare for thumb instructions

* OpCodeTables: Improve thumb fast lookup

* Tests: Prepare for thumb tests

* T16: Implement BX

* T16: Implement LSL/LSR/ASR (imm)

* T16: Implement ADDS, SUBS (reg)

* T16: Implement ADDS, SUBS (3-bit immediate)

* T16: Implement MOVS, CMP, ADDS, SUBS (8-bit immediate)

* T16: Implement ANDS, EORS, LSLS, LSRS, ASRS, ADCS, SBCS, RORS, TST, NEGS, CMP, CMN, ORRS, MULS, BICS, MVNS (low registers)

* T16: Implement ADD, CMP, MOV (high reg)

* T16: Implement BLX (reg)

* T16: Implement LDR (literal)

* T16: Implement {LDR,STR}{,H,B,SB,SH} (register)

* T16: Implement {LDR,STR}{,B,H} (immediate)

* T16: Implement LDR/STR (SP)

* T16: Implement ADR

* T16: Implement Add to SP (immediate)

* T16: Implement ADD/SUB (SP)

* T16: Implement SXTH, SXTB, UXTH, UTXB

* T16: Implement CBZ, CBNZ

* T16: Implement PUSH, POP

* T16: Implement REV, REV16, REVSH

* T16: Implement NOP

* T16: Implement LDM, STM

* T16: Implement SVC

* T16: Implement B (conditional)

* T16: Implement B (unconditional)

* T16: Implement IT

* fixup! T16: Implement ADD/SUB (SP)

* fixup! T16: Implement Add to SP (immediate)

* fixup! T16: Implement IT

* CpuTestThumb: Add randomized tests

* Remove inITBlock argument

* Address nits

* Use index to handle IfThenBlockState

* Reduce line noise

* fixup

* nit
This commit is contained in:
merry
2022-02-17 22:39:45 +00:00
committed by GitHub
parent 868919e101
commit 98e05ee4b7
57 changed files with 1852 additions and 102 deletions
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41
Ryujinx.Tests/Cpu/CpuTest32.cs
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@ -106,6 +106,18 @@ namespace Ryujinx.Tests.Cpu
_currAddress += 4;
}
protected void ThumbOpcode(ushort opcode)
{
_memory.Write(_currAddress, opcode);
if (_unicornAvailable)
{
_unicornEmu.MemoryWrite16(_currAddress, opcode);
}
_currAddress += 2;
}
protected ExecutionContext GetContext() => _context;
protected void SetContext(uint r0 = 0,
@ -126,7 +138,8 @@ namespace Ryujinx.Tests.Cpu
bool carry = false,
bool zero = false,
bool negative = false,
int fpscr = 0)
int fpscr = 0,
bool thumb = false)
{
_context.SetX(0, r0);
_context.SetX(1, r1);
@ -151,6 +164,8 @@ namespace Ryujinx.Tests.Cpu
SetFpscr((uint)fpscr);
_context.SetPstateFlag(PState.TFlag, thumb);
if (_unicornAvailable)
{
_unicornEmu.R[0] = r0;
@ -175,6 +190,8 @@ namespace Ryujinx.Tests.Cpu
_unicornEmu.NegativeFlag = negative;
_unicornEmu.Fpscr = fpscr;
_unicornEmu.ThumbFlag = thumb;
}
}
@ -218,6 +235,28 @@ namespace Ryujinx.Tests.Cpu
return GetContext();
}
protected ExecutionContext SingleThumbOpcode(ushort opcode,
uint r0 = 0,
uint r1 = 0,
uint r2 = 0,
uint r3 = 0,
uint sp = 0,
bool saturation = false,
bool overflow = false,
bool carry = false,
bool zero = false,
bool negative = false,
int fpscr = 0,
bool runUnicorn = true)
{
ThumbOpcode(opcode);
ThumbOpcode(0x4770); // BX LR
SetContext(r0, r1, r2, r3, sp, default, default, default, default, default, default, default, default, saturation, overflow, carry, zero, negative, fpscr, thumb: true);
ExecuteOpcodes(runUnicorn);
return GetContext();
}
protected void SetWorkingMemory(uint offset, byte[] data)
{
_memory.Write(DataBaseAddress + offset, data);