From ffb4ebf055de6b4cf5a4b2618717f16396837557 Mon Sep 17 00:00:00 2001
From: Thomas Backlund <tmb@mageia.org>
Date: Tue, 10 May 2016 23:16:42 +0300
Subject: - adjust image creation for new dosfstools 4 using 63 cylinders  
 everywhere - let mkdosfs create the image file, and drop usage of dd

---
 images/make_boot_img | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

(limited to 'images/make_boot_img')

diff --git a/images/make_boot_img b/images/make_boot_img
index d4cda303a..3b670c941 100755
--- a/images/make_boot_img
+++ b/images/make_boot_img
@@ -225,12 +225,11 @@ sub boot_img_i386 {
     _ "cp -f $rdz $tmp_mnt/$short_type.rdz";
     unlink $rdz;
 
-    # mtools wants the image to be a power of 32
+    # mtools wants the image to be a power of 32, and matching 63 cylinders from new dosfstools
     my $syslinux_overhead = 32 * 16;
-    my $size = max(ceil(chomp_(`du -s -k $tmp_mnt`) / 32) * 32 + $syslinux_overhead, 1440);
-    _ "dd if=/dev/zero of=$img bs=1k count=$size";
+    my $size = ceil(max(ceil(chomp_(`du -s -k $tmp_mnt`) / 32) * 32 + $syslinux_overhead, 1440) / 63) * 63;
 
-    _ "/sbin/mkdosfs $img";
+    _ "/sbin/mkdosfs -C $img $size";
     _ "mcopy -i $img $tmp_mnt/* ::";
     _ "syslinux $img";
     _ "rm -rf $tmp_mnt";
@@ -357,11 +356,10 @@ sub boot_iso {
        # add theme
        _ "cp -r /boot/grub2/{fonts,themes} .boot_iso/EFI/BOOT/";
        _ "cp -f grub2.theme .boot_iso/EFI/BOOT/themes/maggy/theme.txt";
-       # create efiboot.img
-       my $efisize = ceil(chomp_(`du -s -k .boot_iso/EFI`) / 1024) * 1024;
+       # create efiboot.img, matching 63 cylinders from new dosfstools
+       my $efisize = ceil(ceil(chomp_(`du -s -k .boot_iso/EFI`) / 1024) * 1024 / 63) * 63;
        my $efi_img = ".boot_iso/isolinux/efiboot.img";
-       _ "dd if=/dev/zero of=$efi_img bs=1k count=$efisize";
-       _ "/sbin/mkdosfs -F12 $efi_img";
+       _ "/sbin/mkdosfs -F12 -C $efi_img $efisize";
        _ "mcopy -s -i $efi_img .boot_iso/EFI ::";
        # create iso
        _ "$cmd -eltorito-alt-boot -e isolinux/efiboot.img -no-emul-boot -o $iso .boot_iso";
@@ -380,10 +378,8 @@ sub hd_grub {
     my ($grub_dir) = glob("/lib/grub/*-mageia");
     my @grub_files = map { "$grub_dir/$_" } qw(stage1 stage2);
 
-    # mtools wants the image to be a power of 32
-    my $size = ceil((40_000 + sum(map { -s $_ } @grub_files)) / 32 / 1024) * 32;
-
-    _ "dd if=/dev/zero of=$img bs=1k count=$size";
+    # mtools wants the image to be a power of 32 and matching 63 cylinders from new dosfstools
+    my $size = ceil(ceil((40_000 + sum(map { -s $_ } @grub_files)) / 32 / 1024) * 32 / 63) * 63;
 
     _ "rm -rf $tmp_mnt"; mkdir $tmp_mnt;
     _ "cp @grub_files $tmp_mnt";
@@ -396,8 +392,8 @@ fallback 1
 title Mageia Install
 
 root (hd0,0)
-kernel /cooker/isolinux/alt0/vmlinuz $default_append $default_acpi $default_vga $default_iswmd automatic=method:disk
-initrd /cooker/isolinux/alt0/all.rdz
+kernel /cauldron/isolinux/alt0/vmlinuz $default_append $default_acpi $default_vga $default_iswmd automatic=method:disk
+initrd /cauldron/isolinux/alt0/all.rdz
 
 title Help
 
@@ -416,7 +412,7 @@ pause .
 pause HELP END
 EOF
 
-    _ "/sbin/mkdosfs $img";
+    _ "/sbin/mkdosfs -C $img $size";
     _ "mcopy -i $img $tmp_mnt/* ::";
     _ "rm -rf $tmp_mnt";
 
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