Adding a patch for grub, so livecds with grub can still boot with buggy bioses,

as those of Acer 292LMi or Airis N990. This allows booting the NixOS ISO releases.
I made it optional, not included by default. I don't think it would harm at all enabling
it always - let it be decided on forum.

svn path=/nixpkgs/trunk/; revision=16341
This commit is contained in:
Lluís Batlle i Rossell 2009-07-13 16:57:33 +00:00
parent ed658483e9
commit 3a8a3c91f7
3 changed files with 14 additions and 2 deletions

View file

@ -0,0 +1,11 @@
Taken from: http://savannah.gnu.org/bugs/?func=detailitem&item_id=10433
--- grub-0.95.orig/stage2/bios.c 2004-03-27 17:34:04.000000000 +0100
+++ grub-0.95/stage2/bios.c 2005-03-02 01:02:29.192582200 +0100
@@ -147,6 +147,7 @@
grub_memset (&cdrp, 0, sizeof (cdrp));
cdrp.size = sizeof (cdrp) - sizeof (cdrp.dummy);
err = biosdisk_int13_extensions (0x4B01, drive, &cdrp);
+ err = 0; /* really ugly hack to circumvent faulty BIOS versions like Acer 292LMi */
if (! err && cdrp.drive_no == drive)
{
if ((cdrp.media_type & 0x0F) == 0)

View file

@ -1,4 +1,4 @@
{stdenv, fetchurl, autoconf, automake}:
{stdenv, fetchurl, autoconf, automake, buggyBiosCDSupport ? false}:
stdenv.mkDerivation {
name = "grub-0.97-patch-1.9";
@ -22,7 +22,7 @@ stdenv.mkDerivation {
# /dev/disk/by-label/bla. The symlink resolution code in
# grub-install isn't smart enough.
./symlink.patch
];
] ++ (stdenv.lib.optional buggyBiosCDSupport ./buggybios.patch);
# Autoconf/automake required for the splashimage patch.
buildInputs = [autoconf automake];

View file

@ -795,6 +795,7 @@ let
grub = import ../tools/misc/grub {
inherit fetchurl autoconf automake;
stdenv = stdenv_32bit;
buggyBiosCDSupport = (getConfig ["grub" "buggyBiosCDSupport"] false);
};
gssdp = import ../development/libraries/gssdp {