e2e2fc3cd0
Add updated patches for 6.6. DMA/cache-handling patches have been reworked / backported from upstream. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
345 lines
8.9 KiB
Diff
345 lines
8.9 KiB
Diff
From 7891826f8c2de9ee0f6459cf969f7b082e29b154 Mon Sep 17 00:00:00 2001
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From: Hal Feng <hal.feng@starfivetech.com>
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Date: Thu, 1 Jun 2023 23:10:09 -0700
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Subject: [PATCH 061/116] usr: Add gen_initramfs_list.sh
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Add gen_initramfs_list.sh
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Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
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---
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usr/gen_initramfs_list.sh | 328 ++++++++++++++++++++++++++++++++++++++
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1 file changed, 328 insertions(+)
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create mode 100644 usr/gen_initramfs_list.sh
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--- /dev/null
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+++ b/usr/gen_initramfs_list.sh
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@@ -0,0 +1,328 @@
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+#!/bin/sh
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+# Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
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+# Copyright (C) 2006 Sam Ravnborg <sam@ravnborg.org>
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+#
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+# Released under the terms of the GNU GPL
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+#
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+# Generate a cpio packed initramfs. It uses gen_init_cpio to generate
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+# the cpio archive, and then compresses it.
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+# The script may also be used to generate the inputfile used for gen_init_cpio
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+# This script assumes that gen_init_cpio is located in usr/ directory
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+
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+# error out on errors
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+set -e
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+
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+usage() {
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+cat << EOF
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+Usage:
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+$0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ...
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+ -o <file> Create compressed initramfs file named <file> using
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+ gen_init_cpio and compressor depending on the extension
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+ -u <uid> User ID to map to user ID 0 (root).
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+ <uid> is only meaningful if <cpio_source> is a
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+ directory. "squash" forces all files to uid 0.
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+ -g <gid> Group ID to map to group ID 0 (root).
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+ <gid> is only meaningful if <cpio_source> is a
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+ directory. "squash" forces all files to gid 0.
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+ <cpio_source> File list or directory for cpio archive.
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+ If <cpio_source> is a .cpio file it will be used
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+ as direct input to initramfs.
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+ -d Output the default cpio list.
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+
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+All options except -o and -l may be repeated and are interpreted
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+sequentially and immediately. -u and -g states are preserved across
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+<cpio_source> options so an explicit "-u 0 -g 0" is required
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+to reset the root/group mapping.
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+EOF
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+}
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+
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+# awk style field access
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+# $1 - field number; rest is argument string
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+field() {
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+ shift $1 ; echo $1
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+}
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+
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+list_default_initramfs() {
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+ # echo usr/kinit/kinit
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+ :
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+}
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+
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+default_initramfs() {
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+ cat <<-EOF >> ${output}
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+ # This is a very simple, default initramfs
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+
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+ dir /dev 0755 0 0
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+ nod /dev/console 0600 0 0 c 5 1
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+ dir /root 0700 0 0
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+ # file /kinit usr/kinit/kinit 0755 0 0
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+ # slink /init kinit 0755 0 0
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+ EOF
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+}
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+
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+filetype() {
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+ local argv1="$1"
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+
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+ # symlink test must come before file test
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+ if [ -L "${argv1}" ]; then
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+ echo "slink"
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+ elif [ -f "${argv1}" ]; then
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+ echo "file"
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+ elif [ -d "${argv1}" ]; then
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+ echo "dir"
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+ elif [ -b "${argv1}" -o -c "${argv1}" ]; then
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+ echo "nod"
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+ elif [ -p "${argv1}" ]; then
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+ echo "pipe"
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+ elif [ -S "${argv1}" ]; then
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+ echo "sock"
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+ else
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+ echo "invalid"
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+ fi
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+ return 0
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+}
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+
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+list_print_mtime() {
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+ :
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+}
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+
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+print_mtime() {
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+ local my_mtime="0"
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+
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+ if [ -e "$1" ]; then
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+ my_mtime=$(find "$1" -printf "%T@\n" | sort -r | head -n 1)
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+ fi
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+
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+ echo "# Last modified: ${my_mtime}" >> ${output}
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+ echo "" >> ${output}
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+}
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+
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+list_parse() {
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+ if [ -L "$1" ]; then
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+ return
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+ fi
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+ echo "$1" | sed 's/:/\\:/g; s/$/ \\/'
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+}
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+
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+# for each file print a line in following format
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+# <filetype> <name> <path to file> <octal mode> <uid> <gid>
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+# for links, devices etc the format differs. See gen_init_cpio for details
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+parse() {
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+ local location="$1"
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+ local name="/${location#${srcdir}}"
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+ # change '//' into '/'
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+ name=$(echo "$name" | sed -e 's://*:/:g')
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+ local mode="$2"
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+ local uid="$3"
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+ local gid="$4"
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+ local ftype=$(filetype "${location}")
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+ # remap uid/gid to 0 if necessary
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+ [ "$root_uid" = "squash" ] && uid=0 || [ "$uid" -eq "$root_uid" ] && uid=0
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+ [ "$root_gid" = "squash" ] && gid=0 || [ "$gid" -eq "$root_gid" ] && gid=0
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+ local str="${mode} ${uid} ${gid}"
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+
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+ [ "${ftype}" = "invalid" ] && return 0
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+ [ "${location}" = "${srcdir}" ] && return 0
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+
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+ case "${ftype}" in
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+ "file")
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+ str="${ftype} ${name} ${location} ${str}"
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+ ;;
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+ "nod")
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+ local dev=`LC_ALL=C ls -l "${location}"`
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+ local maj=`field 5 ${dev}`
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+ local min=`field 6 ${dev}`
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+ maj=${maj%,}
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+
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+ [ -b "${location}" ] && dev="b" || dev="c"
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+
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+ str="${ftype} ${name} ${str} ${dev} ${maj} ${min}"
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+ ;;
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+ "slink")
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+ local target=`readlink "${location}"`
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+ str="${ftype} ${name} ${target} ${str}"
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+ ;;
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+ *)
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+ str="${ftype} ${name} ${str}"
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+ ;;
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+ esac
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+
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+ echo "${str}" >> ${output}
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+
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+ return 0
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+}
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+
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+unknown_option() {
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+ printf "ERROR: unknown option \"$arg\"\n" >&2
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+ printf "If the filename validly begins with '-', " >&2
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+ printf "then it must be prefixed\n" >&2
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+ printf "by './' so that it won't be interpreted as an option." >&2
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+ printf "\n" >&2
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+ usage >&2
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+ exit 1
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+}
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+
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+list_header() {
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+ :
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+}
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+
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+header() {
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+ printf "\n#####################\n# $1\n" >> ${output}
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+}
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+
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+# process one directory (incl sub-directories)
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+dir_filelist() {
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+ ${dep_list}header "$1"
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+
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+ srcdir=$(echo "$1" | sed -e 's://*:/:g')
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+ dirlist=$(find "${srcdir}" -printf "%p %m %U %G\n" | LANG=C sort)
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+
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+ # If $dirlist is only one line, then the directory is empty
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+ if [ "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then
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+ ${dep_list}print_mtime "$1"
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+
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+ echo "${dirlist}" | \
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+ while read x; do
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+ ${dep_list}parse ${x}
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+ done
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+ fi
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+}
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+
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+# if only one file is specified and it is .cpio file then use it direct as fs
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+# if a directory is specified then add all files in given direcotry to fs
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+# if a regular file is specified assume it is in gen_initramfs format
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+input_file() {
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+ source="$1"
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+ if [ -f "$1" ]; then
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+ ${dep_list}header "$1"
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+ is_cpio="$(echo "$1" | sed 's/^.*\.cpio\(\..*\)\{0,1\}/cpio/')"
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+ if [ $2 -eq 0 -a ${is_cpio} = "cpio" ]; then
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+ cpio_file=$1
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+ echo "$1" | grep -q '^.*\.cpio\..*' && is_cpio_compressed="compressed"
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+ [ ! -z ${dep_list} ] && echo "$1"
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+ return 0
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+ fi
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+ if [ -z ${dep_list} ]; then
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+ print_mtime "$1" >> ${output}
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+ cat "$1" >> ${output}
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+ else
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+ echo "$1 \\"
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+ cat "$1" | while read type dir file perm ; do
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+ if [ "$type" = "file" ]; then
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+ echo "$file \\";
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+ fi
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+ done
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+ fi
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+ elif [ -d "$1" ]; then
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+ dir_filelist "$1"
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+ else
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+ echo " ${prog}: Cannot open '$1'" >&2
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+ exit 1
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+ fi
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+}
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+
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+prog=$0
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+root_uid=0
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+root_gid=0
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+dep_list=
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+cpio_file=
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+cpio_list=
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+output="/dev/stdout"
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+output_file=""
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+is_cpio_compressed=
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+compr="gzip -n -9 -f"
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+
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+arg="$1"
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+case "$arg" in
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+ "-l") # files included in initramfs - used by kbuild
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+ dep_list="list_"
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+ echo "deps_initramfs := $0 \\"
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+ shift
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+ ;;
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+ "-o") # generate compressed cpio image named $1
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+ shift
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+ output_file="$1"
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+ cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
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+ output=${cpio_list}
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+ echo "$output_file" | grep -q "\.gz$" \
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+ && [ -x "`which gzip 2> /dev/null`" ] \
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+ && compr="gzip -n -9 -f"
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+ echo "$output_file" | grep -q "\.bz2$" \
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+ && [ -x "`which bzip2 2> /dev/null`" ] \
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+ && compr="bzip2 -9 -f"
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+ echo "$output_file" | grep -q "\.lzma$" \
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+ && [ -x "`which lzma 2> /dev/null`" ] \
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+ && compr="lzma -9 -f"
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+ echo "$output_file" | grep -q "\.xz$" \
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+ && [ -x "`which xz 2> /dev/null`" ] \
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+ && compr="xz --check=crc32 --lzma2=dict=1MiB"
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+ echo "$output_file" | grep -q "\.lzo$" \
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+ && [ -x "`which lzop 2> /dev/null`" ] \
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+ && compr="lzop -9 -f"
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+ echo "$output_file" | grep -q "\.lz4$" \
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+ && [ -x "`which lz4 2> /dev/null`" ] \
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+ && compr="lz4 -l -9 -f"
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+ echo "$output_file" | grep -q "\.cpio$" && compr="cat"
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+ shift
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+ ;;
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+esac
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+while [ $# -gt 0 ]; do
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+ arg="$1"
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+ shift
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+ case "$arg" in
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+ "-u") # map $1 to uid=0 (root)
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+ root_uid="$1"
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+ [ "$root_uid" = "-1" ] && root_uid=$(id -u || echo 0)
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+ shift
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+ ;;
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+ "-g") # map $1 to gid=0 (root)
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+ root_gid="$1"
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+ [ "$root_gid" = "-1" ] && root_gid=$(id -g || echo 0)
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+ shift
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+ ;;
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+ "-d") # display default initramfs list
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+ default_list="$arg"
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+ ${dep_list}default_initramfs
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+ ;;
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+ "-h")
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+ usage
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+ exit 0
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+ ;;
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+ *)
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+ case "$arg" in
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+ "-"*)
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+ unknown_option
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+ ;;
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+ *) # input file/dir - process it
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+ input_file "$arg" "$#"
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+ ;;
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+ esac
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+ ;;
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+ esac
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+done
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+
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+# If output_file is set we will generate cpio archive and compress it
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+# we are careful to delete tmp files
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+if [ ! -z ${output_file} ]; then
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+ if [ -z ${cpio_file} ]; then
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+ timestamp=
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+ if test -n "$KBUILD_BUILD_TIMESTAMP"; then
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+ timestamp="$(date -d"$KBUILD_BUILD_TIMESTAMP" +%s || :)"
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+ if test -n "$timestamp"; then
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+ timestamp="-t $timestamp"
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+ fi
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+ fi
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+ cpio_tfile="$(mktemp ${TMPDIR:-/tmp}/cpiofile.XXXXXX)"
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+ usr/gen_init_cpio $timestamp ${cpio_list} > ${cpio_tfile}
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+ else
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+ cpio_tfile=${cpio_file}
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+ fi
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+ rm ${cpio_list}
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+ if [ "${is_cpio_compressed}" = "compressed" ]; then
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+ cat ${cpio_tfile} > ${output_file}
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+ else
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+ (cat ${cpio_tfile} | ${compr} - > ${output_file}) \
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+ || (rm -f ${output_file} ; false)
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+ fi
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+ [ -z ${cpio_file} ] && rm ${cpio_tfile}
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+fi
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+exit 0
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