File grub2-s390x-09-improve-zipl-setup.patch of Package grub2
---
util/s390x/zipl2grub.conf.in | 30 +++++++++++++++++++-
util/s390x/zipl2grub.pl.in | 64 +++++++++++++++++++++++++++++--------------
2 files changed, 73 insertions(+), 21 deletions(-)
--- a/util/s390x/zipl2grub.conf.in
+++ b/util/s390x/zipl2grub.conf.in
@@ -10,17 +10,45 @@ defaultmenu = menu
image = @zipldir@/image
parameters = "root=@GRUB_DEVICE@ @GRUB_EMU_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ initgrub quiet splash=silent plymouth.enable=0 "
+[grub2-mem1G]
+ target = @zipldir@
+ image = @zipldir@/image
+ ramdisk = @zipldir@/initrd,0x2000000
+ parameters = "root=@GRUB_DEVICE@ @GRUB_EMU_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ initgrub quiet splash=silent plymouth.enable=0 mem=1G "
+
[skip-grub2]
target = @zipldir@
ramdisk = @zipldir@/initrd,0x2000000
image = @zipldir@/image
parameters = "root=@GRUB_DEVICE@ @GRUB_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ "
+#@
+#@[grub2-previous]
+#@ target = @zipldir@
+#@ image = @zipldir@/image.prev
+#@ ramdisk = @zipldir@/initrd.prev,0x2000000
+#@ parameters = "root=@GRUB_DEVICE@ @GRUB_EMU_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ initgrub quiet splash=silent plymouth.enable=0 "
+#@
+#@[grub2-mem1G-previous]
+#@ target = @zipldir@
+#@ image = @zipldir@/image.prev
+#@ ramdisk = @zipldir@/initrd.prev,0x2000000
+#@ parameters = "root=@GRUB_DEVICE@ @GRUB_EMU_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ initgrub quiet splash=silent plymouth.enable=0 mem=1G "
+#@
+#@[skip-grub2-previous]
+#@ target = @zipldir@
+#@ image = @zipldir@/image.prev
+#@ ramdisk = @zipldir@/initrd.prev,0x2000000
+#@ parameters = "root=@GRUB_DEVICE@ @GRUB_CONMODE@ @GRUB_CMDLINE_LINUX@ @GRUB_CMDLINE_LINUX_DEFAULT@ "
:menu
target = @zipldir@
- timeout = 16
+ timeout = 60
default = 1
prompt = 0
1 = grub2
2 = skip-grub2
+ 3 = grub2-mem1G
+#@ 4 = grub2-previous
+#@ 5 = skip-grub2-previous
+#@ 6 = grub2-mem1G-previous
--- a/util/s390x/zipl2grub.pl.in
+++ b/util/s390x/zipl2grub.pl.in
@@ -10,6 +10,7 @@ my $sysconfbl = '@sysconfdir@/sysconfig/
my $defimage = "/boot/image";
my $definitrd = "/boot/initrd";
my $Image = "$defimage";
+my $previous = ".prev";
my $zipldir = "";
my $running = "";
my $refresh = 1; # needs to default to "on" until most bugs are shaken out!
@@ -44,12 +45,12 @@ sub System(@) {
return 0 if ($debug);
system( @C);
if ($? == -1) {
- Panic( $?, "$C[0]: Failed to execute: $!\n");
+ Panic( 1, "$C[0]: Failed to execute: $!\n");
} elsif ($? & 127) {
- Panic( $?, sprintf( "$C[0]: Died with signal %d with%s coredump\n",
+ Panic( 1, sprintf( "$C[0]: Died with signal %d with%s coredump\n",
($? & 127), ($? & 128) ? '' : 'out'));
} elsif ( $? >> 8 != 0 ) {
- Panic( $?, "$C[0]: Failed\n");
+ Panic( $? >> 8, "$C[0]: Failed\n");
}
return( 0);
}
@@ -74,11 +75,13 @@ sub ln($$) {
unlink( $_[1]) || Panic( 1, "$C: unlink: $!.\n") if ( -e $_[1]);
symlink($_[0], $_[1]) || Panic( 1, "$C: symlink: $!.\n");
}
-sub BootCopy($$$) {
+
+sub ManagePrev($$$){
my( $file, $dir, $tgt) = @_;
my $curr = "$dir/$tgt";
- my $prev = "$dir/$tgt.prev";
- Info(4, "Copy /boot/$file $dir $tgt\n");
+ my $prev = "$dir/$tgt$previous";
+ my $ret = 0;
+ Info(2, "Manage $prev\n");
if ( -l $curr ) {
my $curf = readlink( $curr);
if ( $curf ne $file ) {
@@ -88,7 +91,21 @@ sub BootCopy($$$) {
rm( $pref);
}
mv( $curr, $prev);
+ $ret = 1;
+ } else {
+ Info(2, " nothing to do ($curr -> $file).\n");
}
+ } else {
+ Info(2, " nothing to do ($curr no sym-link).\n");
+ }
+ return $ret;
+}
+sub BootCopy($$$) {
+ my( $file, $dir, $tgt) = @_;
+ my $curr = "$dir/$tgt";
+ Info(4, "Copy /boot/$file $dir $tgt\n");
+ if ( $tgt eq "image" && ManagePrev( $file, $dir, $tgt)) {
+ ManagePrev( $file, $dir, "initrd")
}
cp( "/boot/$file", "$dir/$file");
ln( $file, $curr);
@@ -163,7 +180,9 @@ sub Usage($) {
"zIPL directory missing.",
"Configuration template missing.",
"Configuration template unreadable.",
- "zIPL directory not accesible.",
+ "zIPL directory not accessible.",
+ "kernel image parameter missing.",
+ "kernel image unreadable.",
""
);
my $msg = "";
@@ -186,7 +205,8 @@ while ( $#ARGV >= 0 ) {
(/^--?help/ || /^-h/) && (Usage(0));
(/^--zipldir$/ || /^-z$/) && ($zipldir = shift || Usage(2), next);
(/^--template$/ || /^-T$/) && ($in = shift || Usage(3), next);
- (/^--image$/ || /^-i$/) && ($Image = shift || Usage(5), $force = 1, next);
+ (/^--image$/ || /^-i$/) && ($Image = shift || Usage(6),
+ -r "$Image" || Usage(7), $force = 1, next);
(/^-/) && (Usage(1));
Usage(1);
}
@@ -345,7 +365,7 @@ if ( $debug && $verbose > 2 ) {
open( IN, "< $in") ||
Panic( 1, "$C: Failed to open 'zipl.conf' template: $!.\n");
while ( <IN> ) {
- Info( 3, "$.. <$_$.. >");
+ Info( 4, "$.. <$_$.. >");
if ( $. == 1 && m{^## This} ) {
$_ = "## This file was written by 'grub2-install/$C'\n" .
"## filling '$in' as template\n";
@@ -366,7 +386,7 @@ while ( <IN> ) {
}
s{\@$k\@}{$v}g;
}
- Info( 2, $_);
+ Info( 3, $_);
$cfg .= $_;
}
if ( $miss ) {
@@ -374,13 +394,6 @@ if ( $miss ) {
Panic( 1, "$C: 'zipl.conf' template could not be filled. \n");
}
-my $ziplconf = "$zipldir/config";
-if ( ! $debug ) {
- open( OUT, "> $ziplconf") || die;
- print( OUT $cfg) || die;
- close( OUT);
-}
-
# copy out kernel and initrd
my $ziplimage = "$zipldir/image";
my $ziplinitrd = "$zipldir/initrd";
@@ -399,15 +412,15 @@ if ( -l $Image ) {
$Image = readlink( $Image);
}
my ($image, $version) = ($Image =~ m{^(?:/boot/)?([^-]+-(.+))$});
-my $initrd = "initrd-$version";
-
if ( !defined($image) || !defined($version) || ! -r "/boot/$image" ) {
Panic( 1, "$C: weird $Image. This should never happen!\n");
}
+my $initrd = "initrd-$version";
if ( ! -r $ziplimage || ! -r $ziplinitrd || $refresh ) {
BootCopy( $image, $zipldir, "image");
- BootCopy( $initrd, $zipldir, "initrd") if (-r "/boot/$initrd");
+ BootCopy( $initrd, $zipldir, "initrd")
+ if (-r "/boot/$initrd" && ! exists( $fsdev{"/boot"}));
}
if ( $refresh || ChkInitrd( $zipldir, "initrd") <= 0 ) {
MkInitrd( $initrd, $zipldir, $version);
@@ -417,6 +430,17 @@ if ( ChkInitrd( $zipldir, "initrd") == 0
$miss++;
}
+# write zipl config file
+my $ziplconf = "$zipldir/config";
+$cfg =~ s{#@}{}g if ( -r "$ziplimage$previous" && -r "$ziplinitrd$previous" );
+if ( ! $debug ) {
+ open( OUT, "> $ziplconf") || die;
+ print( OUT $cfg) || die;
+ close( OUT);
+} else {
+ print( STDERR $cfg);
+}
+
# now: go for it!
my @C = ( "/sbin/zipl", (($verbose) ? "-Vnc" : "-nc"), "$ziplconf" );
System( @C);
