Initial attempt at UEFI support for GRUB.

VERSION

@@ -1 +1 @@
-1.7.1
+1.7.2

doc/boot-update.8

@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH BOOT-UPDATE 8 "" "1.7.1" "Funtoo Linux Core System"
+.TH BOOT-UPDATE 8 "" "1.7.2" "Funtoo Linux Core System"
 .SH NAME
 boot-update \- Automatically create a boot loader configuration file
 .
@@ -76,8 +76,12 @@ loader configuration file is stored at \fI/boot/grub/grub.cfg\fP, is quite
 complex and is not intended to be edited directly by system administrators.
 .sp
 \fIboot\-update\fP has since been extended to support GRUB (\fIsys\-boot/grub\fP), GRUB
-Legacy (\fIsys\-boot/grub\-legacy\fP) and LILO (\fIsys\-boot/lilo\fP).  This allows a
-single file, \fI/etc/boot.conf\fP, to store boot\-related information in a
+Legacy (\fIsys\-boot/grub\-legacy\fP) and LILO (\fIsys\-boot/lilo\fP) to boot systems in
+MBR (legacy) mode. In addition, GRUB also supports auto\-detecting and configuring
+UEFI booting. If boot\-update detects that your system has booted in UEFI mode,
+it will create a UEFI\-compatible configuration file automatically.
+.sp
+Boot\-update allows a single file, \fI/etc/boot.conf\fP, to store boot\-related information in a
 boot\-loader\-independent way, thus simplifying boot loader configuration and
 providing advanced features to all popular boot loaders.
 .sp

doc/boot-update.8.rst

@@ -46,8 +46,12 @@ loader configuration file is stored at */boot/grub/grub.cfg*, is quite
 complex and is not intended to be edited directly by system administrators.
 
 *boot-update* has since been extended to support GRUB (*sys-boot/grub*), GRUB
-Legacy (*sys-boot/grub-legacy*) and LILO (*sys-boot/lilo*).  This allows a 
-single file, */etc/boot.conf*, to store boot-related information in a
+Legacy (*sys-boot/grub-legacy*) and LILO (*sys-boot/lilo*) to boot systems in
+MBR (legacy) mode. In addition, GRUB also supports auto-detecting and configuring
+UEFI booting. If boot-update detects that your system has booted in UEFI mode,
+it will create a UEFI-compatible configuration file automatically.
+
+Boot-update allows a single file, */etc/boot.conf*, to store boot-related information in a
 boot-loader-independent way, thus simplifying boot loader configuration and
 providing advanced features to all popular boot loaders.
 

doc/boot.conf.5

@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH BOOT.CONF 5 "" "1.7.1" "Funtoo Linux Core System"
+.TH BOOT.CONF 5 "" "1.7.2" "Funtoo Linux Core System"
 .SH NAME
 boot.conf \- Funtoo global boot loader configuration file
 .
@@ -45,6 +45,11 @@ The benefit of \fI/etc/boot.conf\fP is that it provides a single location to
 store all boot\-related information. It also provides a single, consistent file
 format and feature set for configuring all boot loaders.
 .sp
+For MBR booting, GRUB, GRUB (legacy) and LILO boot loaders are supported. For
+UEFI booting, GRUB is supported. When using GRUB, boot\-update will auto\-enable
+UEFI boot configuration if it sees that your system has been booted in UEFI mode.
+Otherwise, MBR (legacy) boot mode will be used.
+.sp
 \fIboot\-update(8)\fP utilizes \fI/etc/boot.conf\fP to provide a consistent process for
 updating boot loader configuration, regardless of the actual boot loader used.
 .sp
@@ -635,7 +640,7 @@ rootfstype=auto\fP\&.
 Specifies the video mode to be used by the boot loader\(aqs menus. This value is
 also inherited and used as the video mode for the kernel when a graphical boot
 (\fIuvesafb\fP, \fIvesafb\-tng\fP) is used. This option is only supported for
-\fIgrub\fP\&.
+\fIgrub\fP\&. Default value is "text" for MBR booting, or "640x480" for UEFI booting.
 .SS \fIdisplay :: background\fP
 .sp
 Specifies the graphical image to display at boot. The specified file should

doc/boot.conf.5.rst

@@ -26,6 +26,11 @@ The benefit of */etc/boot.conf* is that it provides a single location to
 store all boot-related information. It also provides a single, consistent file
 format and feature set for configuring all boot loaders.
 
+For MBR booting, GRUB, GRUB (legacy) and LILO boot loaders are supported. For
+UEFI booting, GRUB is supported. When using GRUB, boot-update will auto-enable
+UEFI boot configuration if it sees that your system has been booted in UEFI mode.
+Otherwise, MBR (legacy) boot mode will be used.
+
 *boot-update(8)* utilizes */etc/boot.conf* to provide a consistent process for
 updating boot loader configuration, regardless of the actual boot loader used.
 
@@ -465,7 +470,7 @@ rootfstype=auto*.
 Specifies the video mode to be used by the boot loader's menus. This value is
 also inherited and used as the video mode for the kernel when a graphical boot
 (*uvesafb*, *vesafb-tng*) is used. This option is only supported for
-*grub*.
+*grub*. Default value is "text" for MBR booting, or "640x480" for UEFI booting.
 
 *display :: background*
 ~~~~~~~~~~~~~~~~~~~~~~~~

python/modules/funtoo/boot/extensions/grub.py

@@ -26,6 +26,10 @@ def __init__(self, config, testing = False):
 		self.GuppyMap()
 		self.defpos = 0
 		self.defname = "undefined"
+		if os.path.exists("/sys/firmware/efi"):
+			self.uefiboot = True
+		else:
+			self.uefiboot = False
 
 	def grubProbe(self):
 		gprobe = "/usr/sbin/grub-probe"
@@ -134,16 +138,27 @@ def generateBootEntry(self, l, sect, kname, kext):
 
 		# Append graphics line
 		if self.config.hasItem("{s}/gfxmode".format(s = sect)):
-			l.append("  set gfxpayload={gm}".format(gm = self.config.item(sect, "gfxmode")))
+			l.append("  set gfxpayload=keep")
 		l.append("}")
 
 		return [ ok, allmsgs ]
 
+	def sanitizeDisplayMode(self,dm):
+		if self.uefiboot and dm == "text":
+			# UEFI doesn't support text mode:
+			return "640x480"
+		else:
+			return dm
+
 	def generateConfigFile(self):
 		l = []
 		c = self.config
 		ok = True
 		allmsgs = []
+		if self.uefiboot:
+			allmsgs.append(["warn","Detected UEFI boot. Configuring for UEFI booting."])
+		else:
+			allmsgs.append(["warn","Detected MBR boot. Configuring for Legacy MBR booting."])
 		l.append(c.condFormatSubItem("boot/timeout", "set timeout={s}"))
 		# pass our boot entry generator function to GenerateSections,
 		# and everything is taken care of for our boot entries
@@ -175,9 +190,8 @@ def generateConfigFile(self):
 					return [False, allmsgs, l]
 
 			l += [ "if loadfont {dst}; then".format(dst = self.r.RelativePathTo(dst_font,c["boot/path"])),
-				"   set gfxmode={gfx}".format(gfx = c["display/gfxmode"]),
-				"   insmod gfxterm",
-				"   insmod vbe",
+				"   set gfxmode={gfx}".format(gfx = self.sanitizeDisplayMode(c["display/gfxmode"])),
+				"   insmod all_video",
 				"   terminal_output gfxterm" ]
 			bg = c.item("display","background").split()
 			if len(bg):

sbin/boot-update

@@ -26,7 +26,7 @@ GREEN = "\x1b[32;01m"
 RED = "\x1b[31;01m"
 PURP = "\x1b[35;01m"
 OFF = "\x1b[0m"
-version = "1.7.1"
+version = "1.7.2"
 verbose = False
 
 def banner(extra=True):