From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin Watson Subject: [PATCH 3/4] Build grub.xen. Date: Thu, 12 Dec 2013 15:37:41 +0000 Message-ID: <20131212153741.GD1431__28302.66838796$1386862770$gmane$org@riva.ucam.org> References: <20131212153643.GA1431@riva.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20131212153643.GA1431@riva.ucam.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: grub-devel@gnu.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org * .gitignore: Add xen.cfg. * Makefile.am (grub-core/xen.cfg): New rule. (grub.xen): Likewise. Add to platform_DATA. * configure.ac (COND_xen): New conditional. * grub-core/Makefile.core.def (xen.cfg): New definition. * grub-core/boot/xen/xen.cfg.in: New file. This is suitable for installation both in the dom0 filesystem (where it will find and chainload a secondary grub.xen) and in the domU filesystem (where it will load a matching grub.cfg). --- .gitignore | 1 + ChangeLog | 14 ++++++++++++++ Makefile.am | 14 ++++++++++++++ configure.ac | 1 + grub-core/Makefile.core.def | 7 +++++++ grub-core/boot/xen/xen.cfg.in | 31 +++++++++++++++++++++++++++++++ 6 files changed, 68 insertions(+) create mode 100644 grub-core/boot/xen/xen.cfg.in diff --git a/.gitignore b/.gitignore index 2292cc9..51aa8b4 100644 --- a/.gitignore +++ b/.gitignore @@ -153,6 +153,7 @@ trigtables.c uhci_test update-grub_lib unidata.c +xen.cfg xzcompress_test Makefile.in GPATH diff --git a/ChangeLog b/ChangeLog index fc86601..58304f7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,19 @@ 2013-12-12 Colin Watson + Build grub.xen. + + * .gitignore: Add xen.cfg. + * Makefile.am (grub-core/xen.cfg): New rule. + (grub.xen): Likewise. Add to platform_DATA. + * configure.ac (COND_xen): New conditional. + * grub-core/Makefile.core.def (xen.cfg): New definition. + * grub-core/boot/xen/xen.cfg.in: New file. This is suitable for + installation both in the dom0 filesystem (where it will find and + chainload a secondary grub.xen) and in the domU filesystem (where it + will load a matching grub.cfg). + +2013-12-12 Colin Watson + Accept environment variables on the command line for Xen. * grub-core/kern/xen/init.c (fetch_command_line_word): New function. diff --git a/Makefile.am b/Makefile.am index 0a2c099..e9792f6 100644 --- a/Makefile.am +++ b/Makefile.am @@ -402,6 +402,20 @@ default_payload.elf: grub-mkstandalone grub-mkimage pkgdatadir=. ./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o $@ --modules='ahci pata ehci uhci ohci usb_keyboard usbms part_msdos xfs ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=$(srcdir)/coreboot.cfg endif +if COND_xen +# The grub-core/util split means that we have to duplicate rules a little +# bit here. +grub-core/xen.cfg: grub-core/boot/xen/xen.cfg.in + $(MAKE) -C grub-core xen.cfg + +grub.xen: grub-mkstandalone grub-mkimage grub-core/xen.cfg + pkgdatadir=. ./grub-mkstandalone --grub=mkimage=./grub-mkimage \ + -o $@ -O $(target_cpu)-$(platform) -d grub-core/ \ + /boot/grub/grub.cfg=grub-core/xen.cfg + +platform_DATA += grub.xen +endif + windowsdir=$(top_builddir)/$(PACKAGE)-$(VERSION)-for-windows windowsdir: $(PROGRAMS) $(starfield_DATA) $(platform_DATA) test -d $(windowsdir) && rm -rf $(windowsdir) || true diff --git a/configure.ac b/configure.ac index 0abbb99..08aa751 100644 --- a/configure.ac +++ b/configure.ac @@ -1590,6 +1590,7 @@ AM_CONDITIONAL([COND_i386_ieee1275], [test x$target_cpu = xi386 -a x$platform = AM_CONDITIONAL([COND_i386_coreboot], [test x$target_cpu = xi386 -a x$platform = xcoreboot]) AM_CONDITIONAL([COND_i386_multiboot], [test x$target_cpu = xi386 -a x$platform = xmultiboot]) AM_CONDITIONAL([COND_x86_64_efi], [test x$target_cpu = xx86_64 -a x$platform = xefi]) +AM_CONDITIONAL([COND_xen], [test x$platform = xxen]) AM_CONDITIONAL([COND_i386_xen], [test x$target_cpu = xi386 -a x$platform = xxen]) AM_CONDITIONAL([COND_x86_64_xen], [test x$target_cpu = xx86_64 -a x$platform = xxen]) AM_CONDITIONAL([COND_mips_loongson], [test x$target_cpu = xmipsel -a x$platform = xloongson]) diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def index 060de44..63a8351 100644 --- a/grub-core/Makefile.core.def +++ b/grub-core/Makefile.core.def @@ -44,6 +44,13 @@ script = { enable = powerpc_ieee1275; }; +script = { + installdir = platform; + name = xen.cfg; + common = boot/xen/xen.cfg.in; + enable = xen; +}; + kernel = { name = kernel; diff --git a/grub-core/boot/xen/xen.cfg.in b/grub-core/boot/xen/xen.cfg.in new file mode 100644 index 0000000..e2e590c --- /dev/null +++ b/grub-core/boot/xen/xen.cfg.in @@ -0,0 +1,31 @@ +if [ -z "$grub_xen_guest" ]; then + # This is the copy of grub.xen installed in the dom0's filesystem. + # Look for a copy in the domU's filesystem and chainload that. This + # allows us to guarantee that GRUB will be in sync with the + # configuration file in the domU. The file locations here must not + # have any configure-generated substitutions applied, as the intent + # is that a single grub.xen should be able to cope with a variety of + # domU systems. + if search --set=root --file /boot/grub/grub.xen; then + linux /boot/grub/grub.xen grub_xen_guest=1 + boot + elif search --set=root --file=/boot/grub2/grub.xen; then + linux /boot/grub2/grub.xen grub_xen_guest=1 + boot + else + echo "No grub.xen found in guest filesystem. Tried:" + echo " /boot/grub/grub.xen" + echo " /boot/grub2/grub.xen" + halt + fi +else + # This is the copy of grub.xen installed in the domU's filesystem. + # Read its configuration file. + if search --set=root --exclude=memdisk --file \ + /@bootdirname@/@grubdirname@/grub.cfg; then + configfile /@bootdirname@/@grubdirname@/grub.cfg + else + echo "No /@bootdirname@/@grubdirname@/grub.cfg found in guest filesystem." + halt + fi +fi -- 1.8.4.4