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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
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57 changed files with 1852 additions and 102 deletions
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12
ARMeilleure/Instructions/InstEmitMemory32.cs
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@ -32,7 +32,7 @@ namespace ARMeilleure.Instructions
public static void Ldm(ArmEmitterContext context)
{
OpCode32MemMult op = (OpCode32MemMult)context.CurrOp;
IOpCode32MemMult op = (IOpCode32MemMult)context.CurrOp;
Operand n = GetIntA32(context, op.Rn);
@ -95,7 +95,7 @@ namespace ARMeilleure.Instructions
public static void Stm(ArmEmitterContext context)
{
OpCode32MemMult op = (OpCode32MemMult)context.CurrOp;
IOpCode32MemMult op = (IOpCode32MemMult)context.CurrOp;
Operand n = context.Copy(GetIntA32(context, op.Rn));
@ -151,7 +151,7 @@ namespace ARMeilleure.Instructions
private static void EmitLoadOrStore(ArmEmitterContext context, int size, AccessType accType)
{
OpCode32Mem op = (OpCode32Mem)context.CurrOp;
IOpCode32Mem op = (IOpCode32Mem)context.CurrOp;
Operand n = context.Copy(GetIntA32AlignedPC(context, op.Rn));
Operand m = GetMemM(context, setCarry: false);
@ -255,5 +255,11 @@ namespace ARMeilleure.Instructions
}
}
}
public static void Adr(ArmEmitterContext context)
{
IOpCode32Adr op = (IOpCode32Adr)context.CurrOp;
SetIntA32(context, op.Rd, Const(op.Immediate));
}
}
}