45aec46246
This removes a minor annoyance with Linux jails, where you often want linux_mounts_enable="NO", yet you want those filesystems available for mounting in jails; normally mount(8) would result in kernel automatically loading the KLD, but this doesn't work inside jails or chroots. PR: 242955 Sponsored By: EPSRC Differential Revision: https://reviews.freebsd.org/D29725
75 lines
1.7 KiB
Bash
Executable File
75 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: linux
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# REQUIRE: kldxref
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# KEYWORD: nojail
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. /etc/rc.subr
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name="linux"
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desc="Enable Linux ABI"
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rcvar="linux_enable"
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start_cmd="${name}_start"
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stop_cmd=":"
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linux_start()
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{
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local _emul_path _tmpdir
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case `sysctl -n hw.machine_arch` in
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aarch64)
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load_kld -e 'linux64elf' linux64
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;;
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amd64)
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load_kld -e 'linuxelf' linux
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load_kld -e 'linux64elf' linux64
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;;
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i386)
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load_kld -e 'linuxelf' linux
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;;
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esac
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_emul_path="$(sysctl -n compat.linux.emul_path)"
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if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
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_tmpdir=`mktemp -d -t linux-ldconfig`
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${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
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if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
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cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
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fi
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rm -rf ${_tmpdir}
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fi
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# Linux uses the pre-pts(4) tty naming scheme.
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load_kld pty
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# Explicitly load the filesystem modules; they are usually required,
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# even with linux_mounts_enable="NO".
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load_kld fdescfs
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load_kld linprocfs
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load_kld linsysfs
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# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
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if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
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sysctl kern.elf64.fallback_brand=3 > /dev/null
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fi
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if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
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sysctl kern.elf32.fallback_brand=3 > /dev/null
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fi
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if checkyesno linux_mounts_enable; then
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mount -o nocover -t linprocfs linprocfs "${_emul_path}/proc"
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mount -o nocover -t linsysfs linsysfs "${_emul_path}/sys"
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mount -o nocover -t devfs devfs "${_emul_path}/dev"
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mount -o nocover,linrdlnk -t fdescfs fdescfs "${_emul_path}/dev/fd"
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mount -o nocover,mode=1777 -t tmpfs tmpfs "${_emul_path}/dev/shm"
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fi
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}
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load_rc_config $name
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run_rc_command "$1"
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