scripts/check-of.sh

   1 #!/bin/sh
   2 # Copyright 2021 Google LLC
   3 # Written by Simon Glass <sjg@chromium.org>
   4 #
   5 # Check that the .config file provided does not try to disable OF_BOARD for
   6 # boards that use CONFIG_OF_HAS_PRIOR_STAGE
   7 #
   8 # Usage
   9 #    check-of.sh <path to .config> <path to allowlist file>
  10 #
  11 # For example:
  12 #   scripts/check-of.sh b/chromebook_link/u-boot.cfg kconfig_allowlist.txt
  13 #
  14 # Exit code is 0 if OK, 3 if the .config is wrong, as above
  15
  16 set -e
  17 set -u
  18
  19 PROG_NAME="${0##*/}"
  20
  21 usage() {
  22         echo "$PROG_NAME <path to .config> <path to allowlist file>"
  23         exit 1
  24 }
  25
  26 [ $# -ge 2 ] || usage
  27
  28 path="$1"
  29 allowlist="$2"
  30
  31 sys_config="$(sed -n 's/CONFIG_SYS_CONFIG_NAME="\(.*\)"$/\1/p' "${path}")"
  32
  33 if grep -q OF_HAS_PRIOR_STAGE=y "${path}"; then
  34         if ! grep -lq CONFIG_OF_BOARD=y "${path}"; then
  35                 echo >&2 "This board uses a prior stage to provide the device tree."
  36                 echo >&2 "Please enable CONFIG_OF_BOARD to ensure that it works correctly."
  37                 if grep -q "${sys_config}" "${allowlist}"; then
  38                         exit 0
  39                 fi
  40                 exit 3
  41         fi
  42 fi