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Don't decode blocks starting outside mapped memory & undefined instead of throw on invalid sysreg coprocessor (#964)

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* Don't decode blocks in invalid memory locations.

* Emit undefined instruction on invalid coprocessor

...rather than throwing.

* Call undefined instruction directly.
This commit is contained in:
gdkchan
2020-03-04 16:25:27 -03:00
committed by GitHub
parent 25c3b8b356
commit d9ed827696
2 changed files with 7 additions and 4 deletions
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9
ARMeilleure/Instructions/InstEmitSystem32.cs
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@ -17,7 +17,8 @@ namespace ARMeilleure.Instructions
if (op.Coproc != 15)
{
throw new NotImplementedException($"Unknown MRC Coprocessor ID 0x{op.Coproc:X16} at 0x{op.Address:X16}.");
InstEmit.Und(context);
return;
}
if (op.Opc1 != 0)
@ -70,7 +71,8 @@ namespace ARMeilleure.Instructions
if (op.Coproc != 15)
{
throw new NotImplementedException($"Unknown MRC Coprocessor ID 0x{op.Coproc:X16} at 0x{op.Address:X16}.");
InstEmit.Und(context);
return;
}
if (op.Opc1 != 0)
@ -119,7 +121,8 @@ namespace ARMeilleure.Instructions
if (op.Coproc != 15)
{
throw new NotImplementedException($"Unknown MRC Coprocessor ID 0x{op.Coproc:X16} at 0x{op.Address:X16}.");
InstEmit.Und(context);
return;
}
var opc = op.MrrcOp;