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Implement IN, OUT.

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This commit is contained in:
Thomas Harte 2023-10-21 22:37:25 -04:00
parent bf6fd8e5e4
commit aade91f043
2 changed files with 41 additions and 6 deletions
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29
InstructionSets/x86/Implementation/PerformImplementation.hpp
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@ -1460,6 +1460,16 @@ void stos(const InstructionT &instruction, AddressT &eCX, AddressT &eDI, IntT &e
repeat<AddressT>(instruction, eCX, flow_controller);
}
template <typename IntT, typename IOT>
void out(uint16_t port, IntT value, IOT &io) {
io.template out<IntT>(port, value);
}
template <typename IntT, typename IOT>
void in(uint16_t port, IntT &value, IOT &io) {
value = io.template in<IntT>(port);
}
}
template <
@ -1476,7 +1486,7 @@ template <
FlowControllerT &flow_controller,
RegistersT &registers,
MemoryT &memory,
[[maybe_unused]] IOT &io
IOT &io
) {
using IntT = typename DataSizeType<data_size>::type;
using AddressT = uint16_t; // TODO.
@ -1693,6 +1703,23 @@ template <
}
return;
case Operation::OUT: {
uint16_t port;
switch(instruction.destination().source()) {
case Source::DirectAddress: port = instruction.operand(); break;
default: port = registers.dx(); break;
}
Primitive::out(port, pair_low(), io);
} return;
case Operation::IN: {
uint16_t port;
switch(instruction.source().source()) {
case Source::DirectAddress: port = instruction.operand(); break;
default: port = registers.dx(); break;
}
Primitive::in(port, pair_low(), io);
} return;
case Operation::XLAT: Primitive::xlat<AddressT>(instruction, memory, registers); return;
case Operation::POP: source() = Primitive::pop<IntT>(memory, registers); break;

18
OSBindings/Mac/Clock SignalTests/8088Tests.mm
View File

@ -179,6 +179,8 @@ struct Memory {
uint16_t write_back_value_;
};
struct IO {
template <typename IntT> void out([[maybe_unused]] uint16_t port, [[maybe_unused]] IntT value) {}
template <typename IntT> IntT in([[maybe_unused]] uint16_t port) { return IntT(~0); }
};
class FlowController {
public:
@ -352,9 +354,15 @@ struct FailedExecution {
@"4C.json.gz", @"4D.json.gz", @"4E.json.gz", @"4F.json.gz",
@"FE.1.json.gz",
@"FF.1.json.gz",
*/
// OUT
@"E6.json.gz", @"E7.json.gz",
@"EE.json.gz", @"EF.json.gz",
// TODO: IN, OUT
// IN
@"E4.json.gz", @"E5.json.gz",
@"EC.json.gz", @"ED.json.gz",
/*
@"70.json.gz", // JO
@"71.json.gz", // JNO
@"72.json.gz", // JB
@ -413,11 +421,11 @@ struct FailedExecution {
// STOS
@"AA.json.gz", @"AB.json.gz",
// TODO: INS, OUTS
*/
// SCAS
@"AE.json.gz", @"AF.json.gz",
/*
// TODO: INS, OUTS
@"E0.json.gz", // LOOPNE
@"E1.json.gz", // LOOPE
@"E2.json.gz", // LOOP