Collaboration diagram for pflib::UIO:

Public Member Functions
	UIO (const std::string &name, size_t size=4096)
	Open the UIO device given a name, mapping the amount of memory indicated.

	~UIO ()
	Open the UIO device given, mapping the amount of memory indicated.

uint32_t	read (size_t i)
	Read the given word from the UIO device register space.

void	write (size_t where, uint32_t what)
	Write the given value to the UIO device register.

uint32_t	readMasked (size_t where, uint32_t mask)
	read with a mask (including shifts)

void	writeMasked (size_t where, uint32_t mask, uint32_t val)
	write with a mask (including shifts)

void	rmw (size_t where, uint32_t bits_to_modify, uint32_t newval)
	Generate an RMW cycle (read, apply INVERSE OF MASK, apply OR)

Private Member Functions
void	iopen (const std::string &dev, size_t size=4096)
	Open a given device file directly.

int	first_bit_set (uint32_t mask)

Constructor & Destructor Documentation

◆ UIO()

pflib::UIO::UIO	(	const std::string &	name,
		size_t	size = 4096 )

Open the UIO device given a name, mapping the amount of memory indicated.

first, look for the DTSI map

The documentation for this class was generated from the following files: