2 # VIRT -- Custom configuration for the qemu virt platform
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
9 # The handbook is also available locally in /usr/share/doc/handbook
10 # if you've installed the doc distribution, otherwise always see the
11 # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
14 # An exhaustive list of options and more detailed explanations of the
15 # device lines is also present in the ../../conf/NOTES and NOTES files.
16 # If you are in doubt as to the purpose or necessity of a line, check first
24 include "../qemu/std.virt"
27 options SCHED_ULE # 4BSD scheduler
29 options SMP # Enable multiple cores
31 # Debugging for use in -current
32 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
33 options BREAK_TO_DEBUGGER
34 options ALT_BREAK_TO_DEBUGGER
35 #options VERBOSE_SYSINIT # Enable verbose sysinit messages
36 options KDB # Enable kernel debugger support
37 # For minimum debugger support (stable branch) use:
38 #options KDB_TRACE # Print a stack trace for a panic
39 # For full debugger support use this instead:
40 options DDB # Enable the kernel debugger
41 options INVARIANTS # Enable calls of extra sanity checking
42 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
43 #options WITNESS # Enable checks to detect deadlocks and cycles
44 #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
47 # Interrupt controller
65 device random # Entropy device
67 # Flattened Device Tree
68 options FDT # Configure using FDT/DTB data
70 # Extensible Firmware Interface