如何配置netbsd内核

这篇文章主要讲解了"如何配置netbsd内核"，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习"如何配置netbsd内核"吧！

这个内核配置文件，要经过config进行处理

第一行表示，要包含一个文件

include "arch/evbmips/conf/std.loongson"， 内容如下：

# $NetBSD: std.loongson,v 1.2 2017/08/08 12:22:21 maya Exp $machine evbmips mipsinclude        "conf/std"    # MI standard optionsoptions     MIPS3_ENABLE_CLOCK_INTRoptions     ENABLE_MIPS_16KB_PAGEoptions     PMON# Platform supportoptions        MIPS3_LOONGSON2options        MIPS3options        MIPS3_LOONGSON2Foptions     LOONGSON2        # IDT LOONGSON2makeoptions    LP64="yes"options     EXEC_ELF64options        EXEC_ELF32    # exec ELF32 binariesoptions        EXEC_SCRIPT    # exec #! scriptsoptions     COMPAT_NETBSD32makeoptions    CPUFLAGS="-mips3 -mdivide-breaks -Wa,-mfix-loongson2f-btb -Wa,-mfix-loongson2f-jump -Wa,-mfix-loongson2f-nop" # CPU codegen optionsmakeoptions    DEFTEXTADDR="0x80200000"makeoptions    BOARDTYPE="loongson"include "arch/evbmips/conf/files.loongson"

它又包含了两个文件：

1 conf/std

# $NetBSD: std,v 1.23 2019/01/27 02:08:41 pgoyette Exp $## standard MI 'options'   标准的不能取消的选项## this file is for options which can't be off-by-default for some reasons.# "it's commonly used" is NOT a good reason to enable options here.## Always include "kern" attribute (module).  Other attributes don't need to# depend on "kern".#select    kern       有内核模块属性，在输出目录里，有kern_xxx.d & kern_xxx.o# Always include the "vfs" attribute (module).  Although all of the# ufs/xxx file systems depend on the vfs attribute, it is not required# that any file system actually be built-in to the kernel.  (At least# on some architectures, file system modules can be loaded at boot# time.)select vfs            有vfs，虚拟文件系统属性，在输出目录里，有vfs_xxx.d & vfs_xxx.o select    net        # XXX Clean up dependency# the following options are on-by-default to keep# kernel config file compatibility.下面的选项，默认都是打开的options    VMSWAP        # Swap device/file supportoptions    BUFQ_FCFS    # First-come First-serve strategyoptions    BUFQ_DISKSORT    # Traditional min seek sort strategyoptions    RFC2292        # Previous version of Adv. Sockets API for IPv6options    PTRACE        # Include ptrace(2) syscalloptions    PTRACE_HOOKS    # Include ptrace hooksoptions    COREDUMP    # allow processes to coredump.options    AIO        # POSIX asynchronous I/Ooptions    MQUEUE        # POSIX message queues# Common compatibility functions. They happen to be needed even when# no compatibility option is explicitly enabled.#options        COMPAT_UTILS## Security model.#options    secmodel_bsd44    # Traditional 4.4BSD security model## Scheduling algorithm#options    SCHED_4BSDpseudo-device    cpuctl## Kernel entropy pool and random-number generator pseudodevice.# The pseudodevice might stop being "std" when the two are torn# apart some day but the entropy pool itself never will (they are# presently implemented in the same source file)#pseudo-device    rnd

2 arch/evbmips/conf/files.loongson

#    $NetBSD: files.loongson,v 1.5 2014/07/20 10:22:54 alnsn Exp $# Standard stanzas config(8) can't run withoutmaxpartitions 16maxusers 8 16 64file    arch/evbmips/loongson/autoconf.cfile    arch/evbmips/loongson/loongson_bus_io.cfile    arch/evbmips/loongson/loongson_bus_mem.cfile    kern/subr_disk_mbr.cfile    arch/evbmips/loongson/loongson_intr.cfile    arch/evbmips/evbmips/interrupt.cfile    arch/evbmips/loongson/gdium_machdep.cfile    arch/evbmips/loongson/generic2e_machdep.cfile    arch/evbmips/loongson/yeeloong_machdep.cfile    arch/evbmips/loongson/isa_machdep.c    isafile    arch/evbmips/loongson/loongson2_machdep.cfile    arch/evbmips/loongson/machdep.cfile    arch/mips/mips/bus_dma.cfile    arch/mips/mips/mips3_clock.cfile    arch/mips/mips/mips3_clockintr.c# Memory Diskfile    dev/md_root.c                memory_disk_hooks# Stack-less Just-In-Time compilerinclude    "external/bsd/sljit/conf/files.sljit"include "dev/ata/files.ata"include "dev/scsipi/files.scsipi"include "dev/i2o/files.i2o"include "dev/isa/files.isa"include "dev/pci/files.pci"include "dev/pci/files.agp"include "dev/usb/files.usb"include "dev/bluetooth/files.bluetooth"include "dev/pckbport/files.pckbport"device    mainbus {[addr = -1] }attach    mainbus at rootfile    arch/evbmips/loongson/mainbus.c        mainbusfile    arch/evbmips/loongson/bonito_mainbus.c    bonito_mainbusdevice    cpuattach    cpu at mainbusfile    arch/evbmips/evbmips/cpu.c        cpudevice    clockattach    clock at mainbusinclude "arch/mips/conf/files.bonito"# AMD Geode CS5536 companion chipfile    arch/evbmips/loongson/dev/glx.c        bonito & pci# AMD Geode CS5535/CS5536 PCI-ISA bridgedevice    gcscpcib: isabus, sysmon_wdog, gpiobusattach    gcscpcib at pci with gcscpcib_pcifile    arch/evbmips/loongson/dev/gcscpcib_pci.c gcscpcib_pcifile    dev/ic/gcscpcib.c            gcscpcib# Other PCI-ISA bridgesdevice    pcib: isabusattach    pcib at pcifile    arch/evbmips/loongson/dev/pcib.c    pcib | gcscpcibfile    arch/mips/pci/pciide_machdep.c        pciide_commondevice    mcclock: mc146818attach    mcclock at isa with mcclock_isafile    arch/evbmips/isa/mcclock_isa.c        mcclock_isa# Lemote Yeeloong KB3310B Embedded Controllerdevice    ykbecattach    ykbec at isafile    arch/evbmips/loongson/dev/kb3310.c    ykbec needs-flag# Gdium ST7 controllerdevice    stviiattach    stvii at iicfile    arch/evbmips/loongson/dev/stvii.c            stvii needs-flagdefflag opt_stvii.h STVII_DEBUG# SM502 OHCI#attach    ohci at voyager with ohci_voyager#file    arch/loongson/dev/ohci_voyager.c    ohci_voyager

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