1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# A depmod wrapper used by the toplevel Makefile 5*4882a593Smuzhiyun 6*4882a593Smuzhiyunif test $# -ne 2 -a $# -ne 3; then 7*4882a593Smuzhiyun echo "Usage: $0 /sbin/depmod <kernelrelease> [System.map folder]" >&2 8*4882a593Smuzhiyun exit 1 9*4882a593Smuzhiyunfi 10*4882a593SmuzhiyunDEPMOD=$1 11*4882a593SmuzhiyunKERNELRELEASE=$2 12*4882a593SmuzhiyunKBUILD_MIXED_TREE=$3 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunif ! test -r ${KBUILD_MIXED_TREE}System.map ; then 15*4882a593Smuzhiyun echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2 16*4882a593Smuzhiyun exit 0 17*4882a593Smuzhiyunfi 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun# legacy behavior: "depmod" in /sbin, no /sbin in PATH 20*4882a593SmuzhiyunPATH="$PATH:/sbin" 21*4882a593Smuzhiyunif [ -z $(command -v $DEPMOD) ]; then 22*4882a593Smuzhiyun echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 23*4882a593Smuzhiyun echo "This is probably in the kmod package." >&2 24*4882a593Smuzhiyun exit 0 25*4882a593Smuzhiyunfi 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun# older versions of depmod require the version string to start with three 28*4882a593Smuzhiyun# numbers, so we cheat with a symlink here 29*4882a593Smuzhiyundepmod_hack_needed=true 30*4882a593Smuzhiyuntmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) 31*4882a593Smuzhiyunmkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" 32*4882a593Smuzhiyunif "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then 33*4882a593Smuzhiyun if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ 34*4882a593Smuzhiyun -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then 35*4882a593Smuzhiyun depmod_hack_needed=false 36*4882a593Smuzhiyun fi 37*4882a593Smuzhiyunfi 38*4882a593Smuzhiyunrm -rf "$tmp_dir" 39*4882a593Smuzhiyunif $depmod_hack_needed; then 40*4882a593Smuzhiyun symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" 41*4882a593Smuzhiyun ln -s "$KERNELRELEASE" "$symlink" 42*4882a593Smuzhiyun KERNELRELEASE=99.98.$KERNELRELEASE 43*4882a593Smuzhiyunfi 44*4882a593Smuzhiyun 45*4882a593Smuzhiyunset -- -ae -F ${KBUILD_MIXED_TREE}System.map 46*4882a593Smuzhiyunif test -n "$INSTALL_MOD_PATH"; then 47*4882a593Smuzhiyun set -- "$@" -b "$INSTALL_MOD_PATH" 48*4882a593Smuzhiyunfi 49*4882a593Smuzhiyun"$DEPMOD" "$@" "$KERNELRELEASE" 50*4882a593Smuzhiyunret=$? 51*4882a593Smuzhiyun 52*4882a593Smuzhiyunif $depmod_hack_needed; then 53*4882a593Smuzhiyun rm -f "$symlink" 54*4882a593Smuzhiyunfi 55*4882a593Smuzhiyun 56*4882a593Smuzhiyunexit $ret 57