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#!lua
--
-- Copyright (C) 2009 Free Software Foundation, Inc.
--
-- GRUB is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- GRUB is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with GRUB. If not, see <http://www.gnu.org/licenses/>.
--
function enum_device (device, fs, uuid)
local root
local title
local source
local kernels = {}
local kernelnames = {}
local kernel_num = 0
local function enum_file (name)
local version
version = string.match (name, "vmlinuz%-(.*)")
if (version == nil) then
version = string.match (name, "linux%-(.*)")
end
if (version ~= nil) then
table.insert (kernels, version)
table.insert (kernelnames, name)
kernel_num = kernel_num + 1
end
end
local function sort_kernel (first, second)
local a1, a2, a3, a4, b1, b2, b3, b4
a1, a2, a3, a4 = string.match (first, "(%d+)%.?(%d*).?(%d*)%-?(%d*)")
b1, b2, b3, b4 = string.match (second, "(%d+)%.?(%d*).?(%d*)%-?(%d*)")
return (a1 > b1) or (a2 > b2) or (a3 > b3) or (a4 < b4);
end
local function freebsd_variants (title, header, footer)
normal = "\nset FreeBSD.acpi_load=YES" ..
"\nset FreeBSD.hint.acpi.0.disabled=0"
noacpi = "\nunset FreeBSD.acpi_load" ..
"\nset FreeBSD.hint.acpi.0.disabled=1" ..
"\nset FreeBSD.loader.acpi_disabled_by_user=1"
safe = "\nset FreeBSD.hint.apic.0.disabled=1" ..
"\nset FreeBSD.hw.ata.ata_dma=0" ..
"\nset FreeBSD.hw.ata.atapi_dma=0" ..
"\nset FreeBSD.hw.ata.wc=0" ..
"\nset FreeBSD.hw.eisa_slots=0" ..
"\nset FreeBSD.hint.kbdmux.0.disabled=1"
grub.add_menu (header .. normal .. footer, title)
grub.add_menu (header .. " --single" .. normal .. footer,
title .. " (single)")
grub.add_menu (header .. " --verbose" .. normal .. footer,
title .. " (verbose)")
grub.add_menu (header .. " --verbose" .. noacpi .. footer,
title .. " (without ACPI)")
grub.add_menu (header .. " --verbose" .. noacpi .. safe .. footer,
title .. " (safe mode)")
end
root = "(" .. device .. ")/"
source = "set root=" .. device .. "\nchainloader +1"
local drive_num = string.match (device, "hd(%d+)")
if (drive_num ~= nil) and (drive_num ~= "0") then
source = source .. "\ndrivemap -s hd0 hd" .. drive_num
end
title = nil
if (grub.file_exist (root .. "bootmgr") and
grub.file_exist (root .. "boot/bcd")) then
title = "Windows Vista bootmgr"
source = "set root=" .. device .. "\nchainloader +1"
elseif (grub.file_exist (root .. "ntldr") and
grub.file_exist (root .. "ntdetect.com") and
grub.file_exist (root .. "boot.ini")) then
title = "Windows NT/2000/XP loader"
elseif (grub.file_exist (root .. "windows/win.com")) then
title = "Windows 98/ME"
elseif (grub.file_exist (root .. "io.sys") and
grub.file_exist (root .. "command.com")) then
title = "MS-DOS"
elseif (grub.file_exist (root .. "kernel.sys")) then
title = "FreeDOS"
elseif ((fs == "ufs1" or fs == "ufs2") and grub.file_exist (root .. "boot/kernel/kernel") and
grub.file_exist (root .. "boot/device.hints")) then
header = "set root=" .. device .. "\nfreebsd /boot/kernel/kernel"
footer = "\nset FreeBSD.vfs.root.mountfrom=ufs:ufsid/" .. uuid ..
"\nfreebsd_loadenv /boot/device.hints"
title = "FreeBSD (on " .. fs .. " ".. device .. ")"
freebsd_variants (title, header, footer)
return 0
elseif (fs == "zfs" and grub.file_exist (root .. "/@/boot/kernel/kernel") and
grub.file_exist (root .. "/@/boot/device.hints")) then
header = "set root=" .. device .. "\nfreebsd /@/boot/kernel/kernel"
footer = "\nfreebsd_module_elf /@/boot/kernel/opensolaris.ko" ..
"\nfreebsd_module_elf /@/boot/kernel/zfs.ko" ..
"\nfreebsd_module /@/boot/zfs/zpool.cache type=/boot/zfs/zpool.cache" ..
"\nprobe -l -s name $root" ..
"\nset FreeBSD.vfs.root.mountfrom=zfs:$name" ..
"\nfreebsd_loadenv /@/boot/device.hints"
title = "FreeBSD (on " .. fs .. " ".. device .. ")"
freebsd_variants (title, header, footer)
return 0
elseif (fs == "hfsplus" and grub.file_exist (root .. "mach_kernel")) then
source = "set root=" .. device ..
"\ninsmod vbe" ..
"\ndo_resume=0" ..
"\nif [ /var/vm/sleepimage -nt10 / ]; then" ..
"\n if xnu_resume /var/vm/sleepimage; then" ..
"\n do_resume=1" ..
"\n fi" ..
"\nfi" ..
"\nif [ $do_resume == 0 ]; then" ..
"\n xnu_uuid " .. uuid .. " uuid" ..
"\n if [ -f /Extra/DSDT.aml ]; then" ..
"\n acpi -e /Extra/DSDT.aml" ..
"\n fi" ..
"\n xnu_kernel /mach_kernel boot-uuid=${uuid} rd=*uuid" ..
"\n if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then" ..
"\n xnu_mkext /System/Library/Extensions.mkext" ..
"\n else" ..
"\n xnu_kextdir /System/Library/Extensions" ..
"\n fi" ..
"\n if [ -f /Extra/Extensions.mkext ]; then" ..
"\n xnu_mkext /Extra/Extensions.mkext" ..
"\n fi" ..
"\n if [ -d /Extra/Extensions ]; then" ..
"\n xnu_kextdir /Extra/Extensions" ..
"\n fi" ..
"\n if [ -f /Extra/devtree.txt ]; then" ..
"\n xnu_devtree /Extra/devtree.txt" ..
"\n fi" ..
"\n if [ -f /Extra/splash.jpg ]; then" ..
"\n insmod jpeg" ..
"\n xnu_splash /Extra/splash.jpg" ..
"\n fi" ..
"\n if [ -f /Extra/splash.png ]; then" ..
"\n insmod png" ..
"\n xnu_splash /Extra/splash.png" ..
"\n fi" ..
"\n if [ -f /Extra/splash.tga ]; then" ..
"\n insmod tga" ..
"\n xnu_splash /Extra/splash.tga" ..
"\n fi" ..
"\nfi"
title = "Mac OS X/Darwin"
else
grub.enum_file (enum_file, root .. "boot")
if kernel_num ~= 0 then
table.sort (kernels, sort_kernel)
table.sort (kernelnames, sort_kernel)
for i = 1, kernel_num do
local initrd
title = "Linux " .. kernels[i]
source = "set root=" .. device ..
"\nlinux /boot/" .. kernelnames[i] ..
" root=UUID=" .. uuid .. " ro"
if grub.file_exist (root .. "boot/initrd-" ..
kernels[i] .. ".img") then
initrd = "\ninitrd /boot/initrd-" .. kernels[i] .. ".img"
elseif grub.file_exist (root .. "boot/initrd.img-" .. kernels[i]) then
initrd = "\ninitrd /boot/initrd.img-" .. kernels[i]
elseif grub.file_exist (root .. "boot/initrd-" .. kernels[i]) then
initrd = "\ninitrd /boot/initrd-" .. kernels[i]
else
initrd = ""
end
grub.add_menu (source .. initrd, title)
grub.add_menu (source .. " single" .. initrd,
title .. " (single-user mode)")
end
return 0
end
end
if title == nil then
local partition = string.match (device, ".*,(%d+)")
if (partition ~= nil) and (tonumber (partition) > 4) then
return 0
end
title = "Other OS"
end
grub.add_menu (source, title)
return 0
end
grub.enum_device (enum_device)
|
