Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

# Standard kernel config items for all ARMv4/v5 systems.
#
# $FreeBSD$

options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11

# Debugging support.  Always need this:
makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
options 	KDB			# Enable kernel debugger support.
options 	KDB_TRACE		# Print a stack trace for a panic.

# Optional extras, never enabled by default:
#options 	BOOTVERBOSE
#options 	DEBUG			# May result in extreme spewage
#options 	KTR
#options 	KTR_COMPILE=KTR_ALL
#options 	KTR_ENTRIES=16384
#options 	KTR_MASK=(KTR_SPARE2)
#options 	KTR_VERBOSE=0
#options 	USB_REQ_DEBUG
#options 	USB_VERBOSE
#options 	VERBOSE_SYSINIT		# Enable verbose sysinit messages