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-rw-r--r--perl-install/partition_table/raw.pm40
1 files changed, 28 insertions, 12 deletions
diff --git a/perl-install/partition_table/raw.pm b/perl-install/partition_table/raw.pm
index 0438fda5a..453a19c6c 100644
--- a/perl-install/partition_table/raw.pm
+++ b/perl-install/partition_table/raw.pm
@@ -1,4 +1,4 @@
-package partition_table::raw; # $Id: raw.pm 266069 2010-02-09 19:47:35Z pterjan $
+package partition_table::raw;
use diagnostics;
use strict;
@@ -11,10 +11,6 @@ use log;
use c;
my @MBR_signatures = (
-if_(arch() =~ /ppc/,
- (map { [ 'yaboot', 0, "PM", 0x200 * $_ + 0x10, "bootstrap\0" ] } 0 .. 61), #- "PM" is a Partition Map
- [ 'yaboot', 0x400, "BD", 0x424, "\011bootstrap" ], #- "BD" is a HFS filesystem
-),
[ 'empty', 0, "\0\0\0\0" ],
[ 'grub', 0, "\xEBG", 0x17d, "stage1 \0" ],
[ 'grub', 0, "\xEBH", 0x17e, "stage1 \0" ],
@@ -29,6 +25,14 @@ if_(arch() =~ /ppc/,
substr($tmp, 0, 2) eq "\xEBH" or return;
index($tmp, $magic, $min) >= 0 && "grub";
},
+ sub { my ($F) = @_;
+ #- similar to grub-legacy, grub2 doesn't seem to have good magic
+ #- so scanning a range of possible places where grub can have its string
+ my ($min, $max, $magic) = (0x176, 0x188, "GRUB");
+ my $tmp;
+ sysseek($F, 0, 0) && sysread($F, $tmp, $max + length($magic)) or return;
+ index($tmp, $magic, $min) >= 0 && "grub2";
+ },
[ 'lilo', 0x2, "LILO" ],
[ 'lilo', 0x6, "LILO" ],
[ 'lilo', 0x6 + 0x40, "LILO" ], #- when relocated in lilo's bsect_update(), variable "space" on paragraph boundary gives 0x40
@@ -222,23 +226,25 @@ sub raw_add {
sub zero_MBR { &partition_table::initialize } #- deprecated
-sub clear_existing {
- my ($hd) = @_;
- my @parts = (partition_table::get_normal_parts($hd), if_($hd->{primary}{extended}, $hd->{primary}{extended}));
- partition_table::will_tell_kernel($hd, del => $_) foreach @parts;
-}
-
#- deprecated
sub zero_MBR_and_dirty {
my ($hd) = @_;
fsedit::partition_table_clear_and_initialize([], $hd);
}
+#- by default, we assume the kernel doesn't automatically reread partition table:
+sub need_to_tell_kernel {
+ my ($_hd) = @_;
+ 1;
+}
+
sub read_primary {
my ($hd) = @_;
- my ($pt, $info) = eval { $hd->read_one(0) } or return;
+ my ($pt, $info) = eval { $hd->read_one(0) };
+ $pt or return;
my $primary = partition_table::raw::pt_info_to_primary($hd, $pt, $info);
+ $primary->{is_hybrid_iso} = $hd->{current_pt_table_type} eq 'dos' && $hd->{fs_type_from_magic} eq 'iso9660';
$hd->{primary} = $primary;
undef $hd->{extended};
partition_table::verifyPrimary($primary);
@@ -290,4 +296,14 @@ A test to check the integrity of data has failed.
It means writing anything on the disk will end up with random, corrupted data.");
}
+sub start_write {
+ my ($_hd) = @_;
+ 1;
+}
+
+sub end_write {
+ my ($_hd, $_handle) = @_;
+ 1;
+}
+
1;