64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#ifndef __JABYENGINE_CD_IO_HPP__
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#define __JABYENGINE_CD_IO_HPP__
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#include "ioport.hpp"
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namespace JabyEngine {
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namespace CD_IO {
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enum struct Index {
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Index0 = 0,
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Index1 = 1,
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Index2 = 2,
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Index3 = 3,
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};
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struct __no_align IndexStatus : public ComplexBitMap<uint8_t> {
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__io_port_inherit_complex_bit_map(IndexStatus);
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static constexpr auto PortIndex = BitRange<Index>::from_to(0, 1);
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static constexpr auto HasXAFifoData = Bit<uint8_t>(2);
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static constexpr auto IsParameterFifoEmpty = Bit<uint8_t>(3);
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static constexpr auto HasParameterFifoSpace = Bit<uint8_t>(4);
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static constexpr auto HasResponseFifoData = Bit<uint8_t>(5);
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static constexpr auto HasDataFifoData = Bit<uint8_t>(6);
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static constexpr auto IsTransmissionBusy = Bit<uint8_t>(7);
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};
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namespace Index0Types {
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struct __no_align IndexTriplet {
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// Replace with proper types later
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union __no_align {
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const IOPort<uint8_t> response_fifo;
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IOPort<uint8_t> command;
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};
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union __no_align {
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const IOPort<uint8_t> data_fifo;
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IOPort<uint8_t> parameter_fifo;
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};
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union __no_align {
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const IOPort<uint8_t> irq_enable;
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IOPort<uint8_t> irq_request;
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};
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};
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static_assert(sizeof(IndexTriplet) == 3);
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}
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__declare_io_port_global(struct IndexStatus, IndexStatus, 0x1F801800);
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namespace Helper {
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template<typename S>
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static S& change_to(Index idx) {
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IndexStatus.write(ComplexBitMap(static_cast<uint8_t>(idx)));
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return *reinterpret_cast<S*>(0x1F801801);
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}
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}
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static Index0Types::IndexTriplet& change_to_index0() {
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return Helper::change_to<Index0Types::IndexTriplet>(Index::Index0);
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}
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}
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}
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#endif //!__JABYENGINE_CD_IO_HPP__
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