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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
85 lines
2.4 KiB
Bash
Executable File
85 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (C) 2017 Imagination Technologies
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# Author: Paul Burton <paul.burton@mips.com>
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#
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# This script merges configuration fragments for boards supported by the
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# generic MIPS kernel. It checks each for requirements specified using
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# formatted comments, and then calls merge_config.sh to merge those
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# fragments which have no unmet requirements.
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#
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# An example of requirements in your board config fragment might be:
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#
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# # require CONFIG_CPU_MIPS32_R2=y
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# # require CONFIG_CPU_LITTLE_ENDIAN=y
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#
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# This would mean that your board is only included in kernels which are
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# configured for little endian MIPS32r2 CPUs, and not for example in kernels
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# configured for 64 bit or big endian systems.
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#
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srctree="$1"
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objtree="$2"
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ref_cfg="$3"
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cfg="$4"
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boards_origin="$5"
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shift 5
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# Only print Skipping... lines if the user explicitly specified BOARDS=. In the
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# general case it only serves to obscure the useful output about what actually
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# was included.
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case ${boards_origin} in
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"command line")
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print_skipped=1
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;;
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environment*)
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print_skipped=1
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;;
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*)
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print_skipped=0
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;;
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esac
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for board in $@; do
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board_cfg="${srctree}/arch/mips/configs/generic/board-${board}.config"
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if [ ! -f "${board_cfg}" ]; then
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echo "WARNING: Board config '${board_cfg}' not found"
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continue
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fi
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# For each line beginning with # require, cut out the field following
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# it & search for that in the reference config file. If the requirement
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# is not found then the subshell will exit with code 1, and we'll
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# continue on to the next board.
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grep -E '^# require ' "${board_cfg}" | \
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cut -d' ' -f 3- | \
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while read req; do
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case ${req} in
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*=y)
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# If we require something =y then we check that a line
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# containing it is present in the reference config.
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grep -Eq "^${req}\$" "${ref_cfg}" && continue
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;;
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*=n)
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# If we require something =n then we just invert that
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# check, considering the requirement met if there isn't
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# a line containing the value =y in the reference
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# config.
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grep -Eq "^${req/%=n/=y}\$" "${ref_cfg}" || continue
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;;
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*)
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echo "WARNING: Unhandled requirement '${req}'"
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;;
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esac
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[ ${print_skipped} -eq 1 ] && echo "Skipping ${board_cfg}"
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exit 1
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done || continue
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# Merge this board config fragment into our final config file
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${srctree}/scripts/kconfig/merge_config.sh \
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-m -O ${objtree} ${cfg} ${board_cfg} \
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| grep -Ev '^(#|Using)'
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done
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