123 lines
3.8 KiB
Diff
123 lines
3.8 KiB
Diff
From 7eec2b56f54c778d5bd6e7aea49ee03e3b76e769 Mon Sep 17 00:00:00 2001
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From: Peter Robinson <pbrobinson@gmail.com>
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Date: Fri, 22 Jan 2021 20:36:23 +0000
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Subject: [PATCH v2] Add support for compressing firmware in copy-firmware.sh
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As of kernel 5.3 there's initial support for loading compressed firmware.
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At this stage the only supported compression methis is "xz -C crc32" but
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this option brings significant benefits.
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Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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---
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v2: quote filename for xz command
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Makefile | 4 ++++
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copy-firmware.sh | 47 +++++++++++++++++++++++++++++++----------------
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2 files changed, 35 insertions(+), 16 deletions(-)
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diff --git a/Makefile b/Makefile
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index e1c362f..9a48471 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -11,3 +11,7 @@ check:
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install:
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mkdir -p $(DESTDIR)$(FIRMWAREDIR)
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./copy-firmware.sh $(DESTDIR)$(FIRMWAREDIR)
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+
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+installcompress:
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+ mkdir -p $(DESTDIR)$(FIRMWAREDIR)
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+ ./copy-firmware.sh -C $(DESTDIR)$(FIRMWAREDIR)
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diff --git a/copy-firmware.sh b/copy-firmware.sh
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index 9b46b63..0dd2e5c 100755
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--- a/copy-firmware.sh
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+++ b/copy-firmware.sh
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@@ -6,6 +6,7 @@
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verbose=:
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prune=no
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+compress=no
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while test $# -gt 0; do
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case $1 in
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@@ -19,6 +20,11 @@ while test $# -gt 0; do
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shift
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;;
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+ -C | --compress)
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+ compress=yes
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+ shift
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+ ;;
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+
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*)
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if test "x$destdir" != "x"; then
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echo "ERROR: unknown command-line options: $@"
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@@ -31,40 +37,49 @@ while test $# -gt 0; do
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esac
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done
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+if test "x$compress" = "xyes"; then
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+ cmpxtn=.xz
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+ grep '^File:' WHENCE | sed -e's/^File: *//g' -e's/"//g' | while read f; do
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+ test -f "$f" || continue
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+ $verbose "compressing $f"
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+ xz -C crc32 "$f"
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+ done
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+fi
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+
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grep '^File:' WHENCE | sed -e's/^File: *//g' -e's/"//g' | while read f; do
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- test -f "$f" || continue
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- $verbose "copying file $f"
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- install -d $destdir/$(dirname "$f")
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- cp -d "$f" $destdir/"$f"
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+ test -f "$f$cmpxtn" || continue
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+ $verbose "copying file $f$cmpxtn"
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+ install -d $destdir/$(dirname "$f$cmpxtn")
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+ cp -d "$f$cmpxtn" $destdir/"$f$cmpxtn"
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done
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grep -E '^Link:' WHENCE | sed -e's/^Link: *//g' -e's/-> //g' | while read f d; do
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- if test -L "$f"; then
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- test -f "$destdir/$f" && continue
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- $verbose "copying link $f"
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- install -d $destdir/$(dirname "$f")
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+ if test -L "$f$cmpxtn"; then
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+ test -f "$destdir/$f$cmpxtn" && continue
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+ $verbose "copying link $f$cmpxtn"
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+ install -d $destdir/$(dirname "$f$cmpxtn")
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cp -d "$f" $destdir/"$f"
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if test "x$d" != "x"; then
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- target=`readlink "$f"`
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+ target=`readlink "$f$cmpxtn"`
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if test "x$target" != "x$d"; then
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$verbose "WARNING: inconsistent symlink target: $target != $d"
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else
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if test "x$prune" != "xyes"; then
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- $verbose "WARNING: unneeded symlink detected: $f"
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+ $verbose "WARNING: unneeded symlink detected: $f$cmpxtn"
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else
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- $verbose "WARNING: pruning unneeded symlink $f"
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- rm -f "$f"
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+ $verbose "WARNING: pruning unneeded symlink $f$cmpxtn"
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+ rm -f "$f$cmpxtn"
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fi
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fi
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else
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- $verbose "WARNING: missing target for symlink $f"
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+ $verbose "WARNING: missing target for symlink $f$cmpxtn"
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fi
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else
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- $verbose "creating link $f -> $d"
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- install -d $destdir/$(dirname "$f")
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- ln -sf "$d" "$destdir/$f"
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+ $verbose "creating link $f$cmpxtn -> $d$cmpxtn"
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+ install -d $destdir/$(dirname "$f$cmpxtn")
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+ ln -sf "$d$cmpxtn" "$destdir/$f$cmpxtn"
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fi
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done
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--
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2.29.2
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