CPU related functions

Functions
int	l4util_cpu_has_cpuid (void)
	Check whether the CPU supports the "cpuid" instruction.
unsigned int	l4util_cpu_capabilities (void)
	Returns the CPU capabilities if the "cpuid" instruction is available.
unsigned int	l4util_cpu_capabilities_nocheck (void)
	Returns the CPU capabilities.
void	l4util_cpu_cpuid (unsigned long mode, unsigned long *eax, unsigned long *ebx, unsigned long *ecx, unsigned long *edx)
	Generic CPUID access function.

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Function Documentation

int l4util_cpu_has_cpuid

(

void

)

[inline]

Check whether the CPU supports the "cpuid" instruction.

Returns:

1 if it has, 0 if it has not

Definition at line 61 of file ARCH-amd64/cpu.h.

Referenced by l4util_cpu_capabilities().

unsigned int l4util_cpu_capabilities

(

void

)

[inline]

Returns the CPU capabilities if the "cpuid" instruction is available.

Returns:

CPU capabilities if the "cpuid" instruction is available, 0 if the "cpuid" instruction is not supported.

Definition at line 109 of file ARCH-amd64/cpu.h.

References l4util_cpu_capabilities_nocheck(), and l4util_cpu_has_cpuid().

unsigned int l4util_cpu_capabilities_nocheck

(

void

)

[inline]

Returns the CPU capabilities.

Returns:

CPU capabilities.

Definition at line 98 of file ARCH-amd64/cpu.h.

References l4util_cpu_cpuid().

Referenced by l4util_cpu_capabilities().