#include <cpu.h>

Static Public Member Functions
static void	pause ()
template<typename T >
static void	atomic_and (T *ptr, T value)
template<typename T >
static void	atomic_or (T *ptr, T value)
static void	atomic_set_bit (unsigned *vector, unsigned bit, bool value=true)
static void	set_bit (unsigned *vector, unsigned bit, bool value=true)
static bool	get_bit (unsigned *vector, unsigned bit)
template<typename T >
static T	xchg (volatile T *x, T y)
static unsigned	cmpxchg4b (unsigned *var, unsigned oldvalue, unsigned newvalue)
static unsigned	cmpxchg4b (volatile void *var, unsigned oldvalue, unsigned newvalue)
static unsigned long long	cmpxchg8b (void *var, unsigned long long oldvalue, unsigned long long newvalue)
static unsigned long long	cmpxchg8b (volatile void *var, unsigned long long oldvalue, unsigned long long newvalue)
template<typename T , typename Y >
static T	atomic_xadd (T volatile *ptr, Y value)
static unsigned long long	rdtsc ()
static unsigned	bsr (unsigned value)
	Finds the position of the most significant "1" bit.
static unsigned	bsf (unsigned value)
	Finds the position of the least significant "1" bit.
static unsigned	minshift (unsigned long start, unsigned long size)
	Calculates the order (log2 of the size) of the largest naturally aligned block that starts at start and is no larger than size.
static unsigned	maxalign (unsigned long offset, unsigned long begin, unsigned long begin2, unsigned long size)
static int	popcount (unsigned int v)
static int	popcount (unsigned long v)
static unsigned	cpuid (unsigned eax, unsigned &ebx, unsigned &ecx, unsigned &edx)
template<unsigned operand_size>
static void	move (void tmp_dst, void tmp_src)
static void	move (void tmp_dst, void tmp_src, unsigned order)
	Transfer bytes from src to dst.

Member Function Documentation

template<typename T >

static void Cpu::atomic_and	(	T *	ptr,
		T	value
	)

inlinestatic

template<typename T >

static void Cpu::atomic_or	(	T *	ptr,
		T	value
	)

inlinestatic

static void Cpu::atomic_set_bit	(	unsigned *	vector,
		unsigned	bit,
		bool	value = `true`
	)

inlinestatic

template<typename T , typename Y >

static T Cpu::atomic_xadd	(	T volatile *	ptr,
		Y	value
	)

inlinestatic

static unsigned Cpu::bsf ( unsigned value )

inlinestatic

Finds the position of the least significant "1" bit.

static unsigned Cpu::bsr ( unsigned value )

inlinestatic

Finds the position of the most significant "1" bit.

static unsigned Cpu::cmpxchg4b	(	unsigned *	var,
		unsigned	oldvalue,
		unsigned	newvalue
	)

inlinestatic

static unsigned Cpu::cmpxchg4b	(	volatile void *	var,
		unsigned	oldvalue,
		unsigned	newvalue
	)

inlinestatic

static unsigned long long Cpu::cmpxchg8b	(	void *	var,
		unsigned long long	oldvalue,
		unsigned long long	newvalue
	)

inlinestatic

static unsigned long long Cpu::cmpxchg8b	(	volatile void *	var,
		unsigned long long	oldvalue,
		unsigned long long	newvalue
	)

inlinestatic

static unsigned Cpu::cpuid	(	unsigned	eax,
		unsigned &	ebx,
		unsigned &	ecx,
		unsigned &	edx
	)

inlinestatic

static bool Cpu::get_bit	(	unsigned *	vector,
		unsigned	bit
	)

inlinestatic

static unsigned Cpu::maxalign	(	unsigned long	offset,
		unsigned long	begin,
		unsigned long	begin2,
		unsigned long	size
	)

inlinestatic

static unsigned Cpu::minshift	(	unsigned long	start,
		unsigned long	size
	)

inlinestatic

Calculates the order (log2 of the size) of the largest naturally aligned block that starts at start and is no larger than size.

Parameters

minshift The largest value returned by this function.

Returns: The calculated order or the minshift parameter is it is smaller then the order.

template<unsigned operand_size>

static void Cpu::move	(	void *	tmp_dst,
		void *	tmp_src
	)

inlinestatic

static void Cpu::move	(	void *	tmp_dst,
		void *	tmp_src,
		unsigned	order
	)

inlinestatic

Transfer bytes from src to dst.

static void Cpu::pause ( )

inlinestatic

static int Cpu::popcount ( unsigned int v )

inlinestatic

static int Cpu::popcount ( unsigned long v )

inlinestatic

static unsigned long long Cpu::rdtsc ( )

inlinestatic

static void Cpu::set_bit	(	unsigned *	vector,
		unsigned	bit,
		bool	value = `true`
	)

inlinestatic

template<typename T >

static T Cpu::xchg	(	volatile T *	x,
		T	y
	)

inlinestatic

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

base/include/service/cpu.h

Static Public Member Functions

Member Function Documentation