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Interpreter: Drop CPS implementation

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The decoding rule was incorrect and caused other instructions to be
misinterpreted. Since this is effectively untested, the CPS handler is
left unused for now.
This commit is contained in:
Tony Wasserka 2024-10-26 23:11:43 +02:00
parent 89ea258347
commit 14a19c29ae
1 changed files with 1 additions and 2 deletions
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3
source/interpreter.cpp
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@ -369,6 +369,7 @@ static uint32_t HandlerBranchExchange(InterpreterExecutionContext& ctx, ARM::ARM
return target & ~UINT32_C(1);
}
// TODO: Add decoding rule
static uint32_t HandlerCPS(CPUContext& ctx, ARM::ARMInstr instr) {
if (!EvalCond(ctx, instr.cond))
return NextInstr(ctx);
@ -1516,8 +1517,6 @@ static uint32_t Handler0001(InterpreterExecutionContext& ctx, ARM::ARMInstr inst
} else {
return HandlerBranchExchange<false>(ctx, instr);
}
} else if ((instr.raw & 0b1111'1111'0001'1111'1110'0010'0000) == 0b0001'0000'0000'0000'0000'0000'0000) {
return HandlerCPS(ctx, instr);
} else if ((instr.raw & 0b1111'1011'1111'0000'1111'1111'1111) == 0b0001'0000'1111'0000'0000'0000'0000) {
return HandlerMRS(ctx, instr);
} else if ((instr.raw & 0b1111'1011'0000'1111'1111'1111'0000) == 0b0001'0010'0000'1111'0000'0000'0000) {