cca48a59de
implementations. Early in the boot the kernel will use an approximate, however after the timer has been probed it will switch to a more accurate implementation. Reviewed by: manu Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D5762
79 lines
2.1 KiB
Plaintext
79 lines
2.1 KiB
Plaintext
#
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# VIRT -- Custom configuration for the qemu virt platform
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#
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# For more information on this file, please read the config(5) manual page,
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# and/or the handbook section on Kernel Configuration Files:
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#
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# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# $FreeBSD$
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ident VIRT
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include "std.armv6"
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include "../qemu/std.virt"
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options HZ=100
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options SCHED_ULE # 4BSD scheduler
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options PLATFORM
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options PLATFORM_SMP
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options SMP # Enable multiple cores
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options MULTIDELAY
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# Debugging for use in -current
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makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
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options BREAK_TO_DEBUGGER
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options ALT_BREAK_TO_DEBUGGER
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#options VERBOSE_SYSINIT # Enable verbose sysinit messages
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options KDB # Enable kernel debugger support
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# For minimum debugger support (stable branch) use:
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#options KDB_TRACE # Print a stack trace for a panic
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# For full debugger support use this instead:
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options DDB # Enable the kernel debugger
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options INVARIANTS # Enable calls of extra sanity checking
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options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
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#options WITNESS # Enable checks to detect deadlocks and cycles
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#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
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#options DIAGNOSTIC
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# Interrupt controller
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device gic
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options INTRNG
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# ARM Generic Timer
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device generic_timer
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device bpf
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device loop
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device ether
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device uart
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device pty
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device snp
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device pl011
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device psci
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device virtio
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device virtio_mmio
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device virtio_blk
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device vtnet
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device md
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device random # Entropy device
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# Flattened Device Tree
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options FDT # Configure using FDT/DTB data
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# Extensible Firmware Interface
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options EFI
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