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BREAK_TO_DEBUGGER if they have a serial console (most do). A burst of serial line noise (such as unplugging a usb serial adapter) can look like a break and drop a working system into the debugger. The alt break sequence (<CR>~^B) works fine on both serial and non-serial consoles.
113 lines
2.8 KiB
Plaintext
113 lines
2.8 KiB
Plaintext
#
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# RPI2 -- Custom configuration for the Raspberry Pi 2
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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 RPI2
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include "std.armv6"
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include "../broadcom/bcm2835/std.rpi"
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include "../broadcom/bcm2835/std.bcm2836"
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options HZ=100
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options SCHED_ULE # ULE scheduler
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options SMP # Enable multiple cores
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options PLATFORM
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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 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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# NFS root from boopt/dhcp
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#options BOOTP
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#options BOOTP_NFSROOT
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#options BOOTP_COMPAT
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#options BOOTP_NFSV3
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#options BOOTP_WIRED_TO=ue0
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options ROOTDEVNAME=\"ufs:mmcsd0s2\"
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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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# Comment following lines for boot console on serial port
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device vt
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device kbdmux
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device ukbd
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device sdhci
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device mmc
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device mmcsd
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device gpio
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device gpioled
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# I2C
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device iic
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device iicbus
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device bcm2835_bsc
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device md
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device random # Entropy device
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# USB support
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device usb
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options USB_DEBUG
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device dwcotg # DWC OTG controller
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# USB storage support
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device scbus
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device da
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device umass
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# USB ethernet support
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device smcphy
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device mii
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device smsc
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# SPI
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device spibus
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device bcm2835_spi
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device vchiq
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device sound
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# Flattened Device Tree
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options FDT # Configure using FDT/DTB data
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# Note: DTB is normally loaded and modified by RPi boot loader, then
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# handed to kernel via U-Boot and ubldr.
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#options FDT_DTB_STATIC
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#makeoptions FDT_DTS_FILE=rpi2.dts
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makeoptions MODULES_EXTRA=dtb/rpi
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