82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
#ifndef __JABYENGINE_IOPORT_HPP__
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#define __JABYENGINE_IOPORT_HPP__
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#include "../../Auxiliary/complex_bitmap.hpp"
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namespace JabyEngine {
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template<typename T>
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class __no_align IOPort {
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private:
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T value;
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public:
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//For easy access
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constexpr T read() const {
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return const_cast<volatile IOPort<T>*>(this)->value;
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}
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constexpr void write(T value) {
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const_cast<volatile IOPort<T>*>(this)->value = value;
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}
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constexpr volatile T& ref() {
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return const_cast<volatile IOPort<T>*>(this)->value;
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}
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constexpr const volatile T& ref() const {
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return const_cast<volatile IOPort<T>*>(this)->value;
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}
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};
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struct __no_align ubus32_t {
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ComplexBitMap<uint16_t> low;
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ComplexBitMap<uint16_t> high;
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constexpr ubus32_t(uint32_t value) {
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*this = value;
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}
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constexpr operator uint32_t() const {
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return ((this->high.raw << 16) | this->low.raw);
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}
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operator uint32_t() const volatile {
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return ((this->high.raw << 16) | this->low.raw);
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}
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constexpr ubus32_t& operator=(uint32_t value) {
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this->low.raw = (value & 0xFFFF);
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this->high.raw = (value >> 16);
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return *this;
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}
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constexpr void operator=(uint32_t value) volatile {
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this->low.raw = (value & 0xFFFF);
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this->high.raw = (value >> 16);
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}
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};
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static constexpr uintptr_t IO_Base_Mask = 0xF0000000;
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static constexpr uintptr_t IO_Base_Adr = 0x10000000;
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#define __io_port_adr(adr) (IO_Base_Adr + (adr & ~IO_Base_Mask))
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#define __declare_io_port_global_raw(cv, type, name, adr) static __always_inline cv auto& name = *reinterpret_cast<IOPort<type>*>(__io_port_adr(adr))
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#define __declare_io_port_global(type, name, adr) __declare_io_port_global_raw(, type, name, adr)
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#define __declare_io_port_global_const(type, name, adr) __declare_io_port_global_raw(const, type, name, adr)
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#define __declare_io_port_global_array(type, name, adr, size) static __always_inline auto& name = reinterpret_cast<type(&)[size]>(*reinterpret_cast<type*>((IO_Base_Adr + (adr & ~IO_Base_Mask))))
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#define __declare_io_port_global_struct(type, name, adr) static __always_inline auto& name = *reinterpret_cast<type*>(__io_port_adr(adr))
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#define __io_port_inherit_complex_bit_map(name) \
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constexpr __always_inline name() = default; \
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constexpr __always_inline name(ComplexBitMap value) : ComplexBitMap(value) { \
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} \
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template<typename...ARGS> \
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static constexpr __always_inline name with(ARGS...args) { \
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return {ComplexBitMap::with(args...)}; \
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}\
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template<typename T> \
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constexpr void __always_inline operator=(ComplexBitMap<T> value) volatile { \
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this->raw = value.raw; \
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}
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}
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#endif //!__JABYENGINE_IOPORT_HPP__
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