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#pragma once
/**
* Ports provide communication with devices on the x86 IO bus.
*/
template <typename T, unsigned short port> struct Port {
/**
* Read value from port
*/
static T
in(unsigned short offset = 0)
{
if constexpr (sizeof(T) == sizeof(unsigned char)) return inb(port + offset);
else if constexpr (sizeof(T) == sizeof(unsigned short))
return inw(port + offset);
else if constexpr (sizeof(T) == sizeof(unsigned int))
return inl(port + offset);
}
/**
* Write value to port
*/
static void
out(T val, unsigned short offset = 0)
{
if constexpr (sizeof(T) == sizeof(unsigned char)) outb(val, port + offset);
else if constexpr (sizeof(T) == sizeof(unsigned short))
outw(val, port + offset);
else if constexpr (sizeof(T) == sizeof(unsigned int))
outl(val, port + offset);
}
};
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