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scripts/mkknlimg: Append a trailer for all input

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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>
This commit is contained in:
Phil Elwell
2016-04-18 11:56:53 +01:00
committed by popcornmix
parent 51fe067f3d
commit 01d783aea4
1 changed files with 5 additions and 6 deletions
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11
scripts/mkknlimg
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@@ -98,7 +98,7 @@ my $append_trailer;
my $trailer; my $trailer;
my $kver = '?'; my $kver = '?';
$append_trailer = $dtok; $append_trailer = 1;
if ($res) if ($res)
{ {
@@ -108,7 +108,6 @@ if ($res)
if ($flags & FLAG_PI) if ($flags & FLAG_PI)
{ {
$append_trailer = 1;
$dtok ||= ($flags & FLAG_DTOK) != 0; $dtok ||= ($flags & FLAG_DTOK) != 0;
$is_270x ||= ($flags & FLAG_270X) != 0; $is_270x ||= ($flags & FLAG_270X) != 0;
$is_283x ||= ($flags & FLAG_283X) != 0; $is_283x ||= ($flags & FLAG_283X) != 0;
@@ -116,18 +115,18 @@ if ($res)
} }
else else
{ {
print ("* This doesn't look like a Raspberry Pi kernel. In pass-through mode.\n"); print ("* This doesn't look like a Raspberry Pi kernel.\n");
} }
} }
elsif (!$dtok) elsif (!$dtok)
{ {
print ("* Is this a valid kernel? In pass-through mode.\n"); print ("* Is this a valid kernel?\n");
} }
if ($append_trailer) if ($append_trailer)
{ {
printf("DT: %s\n", $dtok ? "y" : "n"); 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("270x: %s\n", $is_270x ? "y" : "n");
printf("283x: %s\n", $is_283x ? "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, [ $trailer_magic, pack('V', 0) ];
push @atoms, [ 'KVer', $kver ]; push @atoms, [ 'KVer', $kver ];
push @atoms, [ 'DTOK', pack('V', $dtok) ]; 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, [ '270X', pack('V', $is_270x) ];
push @atoms, [ '283X', pack('V', $is_283x) ]; push @atoms, [ '283X', pack('V', $is_283x) ];
push @atoms, [ '283x', pack('V', $is_283x && !$is_270x) ]; push @atoms, [ '283x', pack('V', $is_283x && !$is_270x) ];