nuttx/arch/x86_64/src/intel64/Kconfig

#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#

if ARCH_INTEL64
comment "intel64 Configuration Options"

config ARCH_INTEL64_HAVE_TSC_DEADLINE
	bool "TSC DEADLINE timer support"
	default y
	---help---
		Select to enable the use of TSC DEADLINE timer of x86_64

if ARCH_INTEL64_HAVE_TSC_DEADLINE

config ARCH_INTEL64_CORE_FREQ_KHZ
	int "CPU Core frequency in kHz"
	default 2000000
	---help---
		The CPU Core frequency (without Turbo boost). This is used
		to set the TSC deadline timer frequency.

endif

if !ARCH_INTEL64_HAVE_TSC_DEADLINE

config ARCH_INTEL64_APIC_FREQ_KHZ
	int "APIC timer frequency in kHz"
	default 2000000
	---help---
		The APIC timer frequency. This is used to set the APIC timer
		frequency in case of no TSC DEADLINE timer is available.

endif

config ARCH_INTEL64_HAVE_XSAVE
	bool "XSAVE support"
	default y
	---help---
		Select to enable the use of XSAVE and FPU/SSE/AVX functions
		of x86_64

config ARCH_INTEL64_HAVE_PCID
	bool "PCID support"
	default y
	---help---
		Select to enable the use of PCID to reduce TLB flush

config ARCH_INTEL64_HAVE_RDRAND
	bool "RDRAND support"
	default y
	---help---
		Select to enable the use of RDRAND for /dev/random

config ARCH_INTEL64_DISABLE_INT_INIT
	bool "Disable Initialization of 8259/APIC/IO-APIC"
	default n
	---help---
		Select to disable all initialization related to interrupt
		controllers. This is necessary if those are already
		initialized, i.e. Jailhouse system.

endif