84 lines
3.5 KiB
C++
84 lines
3.5 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, typename S/* = T*/>
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class __no_align IOPort {
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private:
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volatile T value;
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public:
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constexpr T read_raw() const {
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return this->value;
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}
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constexpr S read() const {
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return S{this->value};
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}
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constexpr T read_range_value(const BitRange<T>& range) const {
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return IOPort::read().get_value(range);
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}
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constexpr void write_raw(T value) {
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this->value = value;
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}
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constexpr void write(const S& value) {
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this->value = static_cast<T>(value);
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}
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constexpr void write_range_value(const BitRangeValue<T>& value) {
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IOPort<T, S>::write(S{S::with(value)});
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}
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};
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struct __no_align ubus32_t {
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typedef ComplexBitMap<uint16_t> Base16;
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IOPort<Base16::UnderlyingType, Base16> low;
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IOPort<Base16::UnderlyingType, Base16> 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 void write(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.read_raw() << 16) | this->low.read_raw());
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}
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constexpr ubus32_t& operator=(uint32_t value) {
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this->low.write_raw(value & 0xFFFF);
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this->high.write_raw(value >> 16);
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return *this;
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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 __declare_global_raw(cv, type, name, adr) static __always_inline cv auto& name = *reinterpret_cast<type*>(__io_port_adr(adr))
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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, sub_type, name, adr) __declare_global_raw(cv, __collect(IOPort<type, sub_type>), name, adr)
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#define __declare_io_port_global(type, name, adr) __declare_io_port_global_raw(, type::UnderlyingType, type, name, adr)
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#define __declare_io_port_global_const(type, name, adr) __declare_io_port_global_raw(const, type::UnderlyingType, type, name, adr)
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#define __declare_io_port_global_simple(type, name, adr) __declare_io_port_global_raw(, type, type, name, adr)
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#define __declare_io_port_global_const_simple(type, name, adr) __declare_io_port_global_raw(const, type, type, name, adr)
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#define __declare_io_port_member(type, name, adr) __declare_io_port_global_raw(inline, type::UnderlyingType, type, name, adr)
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#define __declare_io_port_member_const(type, name, adr) __declare_io_port_global_raw(const inline, type::UnderlyingType, type, name, adr)
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#define __declare_io_port_member_simple(type, name, adr) __declare_io_port_global_raw(inline, type, type, name, adr)
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#define __declare_io_port_member_const_simple(type, name, adr) __declare_io_port_global_raw(const inline, type, 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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}
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#endif //!__JABYENGINE_IOPORT_HPP__
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