openwrt-owl/target/linux/brcm2708/patches-4.4/0246-scripts-mkknlimg-Appen...

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From 4c9a54f3e2d0f73144e1837e2e7dde39447a40cb Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 18 Apr 2016 11:56:53 +0100
Subject: [PATCH] scripts/mkknlimg: Append a trailer for all input
Now that the firmware assumes an unsigned kernel is DT-capable, it is
helpful to be able to mark a kernel as being non-DT-capable.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
scripts/mkknlimg | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
--- a/scripts/mkknlimg
+++ b/scripts/mkknlimg
@@ -98,7 +98,7 @@ my $append_trailer;
my $trailer;
my $kver = '?';
-$append_trailer = $dtok;
+$append_trailer = 1;
if ($res)
{
@@ -108,7 +108,6 @@ if ($res)
if ($flags & FLAG_PI)
{
- $append_trailer = 1;
$dtok ||= ($flags & FLAG_DTOK) != 0;
$is_270x ||= ($flags & FLAG_270X) != 0;
$is_283x ||= ($flags & FLAG_283X) != 0;
@@ -116,18 +115,18 @@ if ($res)
}
else
{
- print ("* This doesn't look like a Raspberry Pi kernel. In pass-through mode.\n");
+ print ("* This doesn't look like a Raspberry Pi kernel.\n");
}
}
elsif (!$dtok)
{
- print ("* Is this a valid kernel? In pass-through mode.\n");
+ print ("* Is this a valid kernel?\n");
}
if ($append_trailer)
{
printf("DT: %s\n", $dtok ? "y" : "n");
- printf("DDT: %s\n", $ddtk ? "y" : "n") if ($ddtk);
+ printf("DDT: %s\n", $ddtk ? "y" : "n");
printf("270x: %s\n", $is_270x ? "y" : "n");
printf("283x: %s\n", $is_283x ? "y" : "n");
@@ -136,7 +135,7 @@ if ($append_trailer)
push @atoms, [ $trailer_magic, pack('V', 0) ];
push @atoms, [ 'KVer', $kver ];
push @atoms, [ 'DTOK', pack('V', $dtok) ];
- push @atoms, [ 'DDTK', pack('V', $ddtk) ] if ($ddtk);
+ push @atoms, [ 'DDTK', pack('V', $ddtk) ];
push @atoms, [ '270X', pack('V', $is_270x) ];
push @atoms, [ '283X', pack('V', $is_283x) ];
push @atoms, [ '283x', pack('V', $is_283x && !$is_270x) ];