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Subject[RFC PATCH 02/35] Makefile support to build Xen subarch
Use arch/i386/mach-xen when building Xen subarch. The separate
subarchitecture allows us to hide details of interfacing with the
hypervisor from i386 common code.

Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---
arch/i386/Makefile | 5 +++++
arch/i386/mach-xen/Makefile | 7 +++++++
2 files changed, 12 insertions(+)

--- xen-subarch-2.6.orig/arch/i386/Makefile
+++ xen-subarch-2.6/arch/i386/Makefile
@@ -68,6 +68,10 @@ mcore-$(CONFIG_X86_BIGSMP) := mach-defau
mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
mcore-$(CONFIG_X86_SUMMIT) := mach-default

+# Xen subarch support
+mflags-$(CONFIG_X86_XEN) := -Iinclude/asm-i386/mach-xen
+mcore-$(CONFIG_X86_XEN) := mach-xen
+
# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
mcore-$(CONFIG_X86_GENERICARCH) := mach-default
@@ -96,6 +100,7 @@ drivers-$(CONFIG_PM) += arch/i386/powe

CFLAGS += $(mflags-y)
AFLAGS += $(mflags-y)
+CPPFLAGS += $(mflags-y)

boot := arch/i386/boot

--- /dev/null
+++ xen-subarch-2.6/arch/i386/mach-xen/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-y := setup.o
+
+setup-y := ../mach-default/setup.o
--
-
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