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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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GPG key ID: 4AEE18F83AFDEB23
57 changed files with 1852 additions and 102 deletions
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28
ARMeilleure/Instructions/InstEmitAlu32.cs
View file

@ -20,7 +20,7 @@ namespace ARMeilleure.Instructions
Operand res = context.Add(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -44,7 +44,7 @@ namespace ARMeilleure.Instructions
res = context.Add(res, carry);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -64,7 +64,7 @@ namespace ARMeilleure.Instructions
Operand res = context.BitwiseAnd(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -110,7 +110,7 @@ namespace ARMeilleure.Instructions
Operand res = context.BitwiseAnd(n, context.BitwiseNot(m));
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -161,7 +161,7 @@ namespace ARMeilleure.Instructions
Operand res = context.BitwiseExclusiveOr(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -175,7 +175,7 @@ namespace ARMeilleure.Instructions
Operand m = GetAluM(context);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, m);
}
@ -204,7 +204,7 @@ namespace ARMeilleure.Instructions
Operand res = context.Multiply(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -219,7 +219,7 @@ namespace ARMeilleure.Instructions
Operand res = context.BitwiseNot(m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -236,7 +236,7 @@ namespace ARMeilleure.Instructions
Operand res = context.BitwiseOr(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -315,7 +315,7 @@ namespace ARMeilleure.Instructions
res = context.Subtract(res, borrow);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -335,7 +335,7 @@ namespace ARMeilleure.Instructions
Operand res = context.Subtract(m, n);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -359,7 +359,7 @@ namespace ARMeilleure.Instructions
res = context.Subtract(res, borrow);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -420,7 +420,7 @@ namespace ARMeilleure.Instructions
Operand res = context.Subtract(n, m);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
@ -836,7 +836,7 @@ namespace ARMeilleure.Instructions
{
IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
EmitGenericAluStoreA32(context, op.Rd, op.SetFlags, value);
EmitGenericAluStoreA32(context, op.Rd, ShouldSetFlags(context), value);
}
}
}