#
# https://docs.freebsd.org/de/books/handbook/kernelconfig/
#
# cat /root/MYKERNEL > /usr/src/sys/amd64/conf/MYKERNEL
#
### die zu bauenden Kernel festlegen in /etc/src.conf
# KERNCONF=MYKERNEL GENERIC

include			GENERIC

ident			MYKERNEL

nooptions  		DDB			# Enable the ddb(4) kernel debugger
options 		NULLFS			# NULL filesystem
device			nvram			# Access to rtc cmos via /dev/nvram
#
device			speaker			# Play IBM BASIC-style noises out your speaker
envvar			hint.speaker.0.at="isa"
envvar			hint.speaker.0.port="0x61"
device			isa
#nodevice		isa			# Don't need to support an ISA bus
#
options 		ZFS			# NB: This depends on crypto, cryptodev and ZSTDIO
device			crypto			# core crypto support
device			cryptodev		# /dev/crypto for access to h/w
options 		ZSTDIO			# zstd-compressed kernel and user dumps
#
device			sg			# Linux SCSI passthrough

# PCI Ethernet NICs.
device			cxgb			# Chelsio T3 10 Gigabit Ethernet
device			cxgb_t3fw		# Chelsio T3 10 Gigabit Ethernet firmware
device			cxgbe			# Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet
device			cxgbev			# Chelsio T4-T6 Virtual Functions
device			mxge			# Myricom Myri-10G 10GbE NIC
device			oce			# Emulex 10 GbE (OneConnect Ethernet)


### oder in der /etc/src.conf mit der Variablen WITHOUT_MODULES abschalten
### WITHOUT_MODULES=    amr arcmsr ciss iir ips mly twa smartpqi tws aac aacraid ida mfi mlx mrsas twe agp cbb pccard cardbus wlan wlan_wep wlan_ccmp wlan_tkip wlan_amrr an ath ath_pci ath_hal bwi bwn ipw iwi iwn malo mwl ral wpi virtio hyperv
#
nooptions 		COMPAT_FREEBSD4		# Compatible with FreeBSD4
nooptions 		COMPAT_FREEBSD5		# Compatible with FreeBSD5
nooptions 		COMPAT_FREEBSD6		# Compatible with FreeBSD6
nooptions 		COMPAT_FREEBSD7		# Compatible with FreeBSD7
nooptions 		COMPAT_FREEBSD8		# Compatible with FreeBSD7
nooptions 		COMPAT_FREEBSD9		# Compatible with FreeBSD9
nooptions 		COMPAT_FREEBSD10	# Compatible with FreeBSD10
#nooptions		COMPAT_FREEBSD11	# Compatible with FreeBSD11 / lang/rust rust-1.83.0 => Sanity check failed: kernel is missing COMPAT_FREEBSD11
#nooptions		COMPAT_FREEBSD12	# Compatible with FreeBSD12
# ===>  Configuring for rust-1.75.0
# Bad system call
# => Sanity check failed: kernel is missing COMPAT_FREEBSD11
# => Aborting build