x86: move i386 and x86_64 Makefiles to arch/x86
Moving the ARCH specific Makefiles for i386 and x86_64
required a litle bit tweaking in the top-lvel Makefile.
SRCARCH is now set in the top-level Makefile
because we need this info to include the correct
arch Makefile.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/Makefile b/Makefile
index 2a47290..8816060 100644
--- a/Makefile
+++ b/Makefile
@@ -196,6 +196,9 @@
UTS_MACHINE := $(ARCH)
SRCARCH := $(ARCH)
+# for i386 and x86_64 we use SRCARCH equal to x86
+SRCARCH := $(if $(filter x86_64 i386,$(SRCARCH)),x86,$(SRCARCH))
+
KCONFIG_CONFIG ?= .config
# SHELL used by kbuild
@@ -418,7 +421,7 @@
# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
# KBUILD_DEFCONFIG may point out an alternative default configuration
# used for 'make defconfig'
-include $(srctree)/arch/$(ARCH)/Makefile
+include $(srctree)/arch/$(SRCARCH)/Makefile
export KBUILD_DEFCONFIG
config %config: scripts_basic outputmakefile FORCE
@@ -497,7 +500,7 @@
KBUILD_CFLAGS += -O2
endif
-include $(srctree)/arch/$(ARCH)/Makefile
+include $(srctree)/arch/$(SRCARCH)/Makefile
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
new file mode 100644
index 0000000..65077d7
--- /dev/null
+++ b/arch/x86/Makefile
@@ -0,0 +1,13 @@
+# Unified Makefile for i386 and x86_64
+
+# No need to remake these files
+$(srctree)/arch/x86/Makefile%: ;
+
+ifeq ($(ARCH),i386)
+ include $(srctree)/arch/x86/Makefile_32
+else
+ include $(srctree)/arch/x86/Makefile_64
+endif
+
+
+
diff --git a/arch/i386/Makefile b/arch/x86/Makefile_32
similarity index 97%
rename from arch/i386/Makefile
rename to arch/x86/Makefile_32
index f5b9a37..346ac07 100644
--- a/arch/i386/Makefile
+++ b/arch/x86/Makefile_32
@@ -1,5 +1,5 @@
#
-# i386/Makefile
+# i386 Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
@@ -17,9 +17,6 @@
# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
# Added support for GEODE CPU
-# Fill in SRCARCH
-SRCARCH := x86
-
# BITS is used as extension for files which are available in a 32 bit
# and a 64 bit version to simplify shared Makefiles.
# e.g.: obj-y += foo_$(BITS).o
@@ -46,7 +43,7 @@
KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
# CPU-specific tuning. Anything which can be shared with UML should go here.
-include $(srctree)/arch/i386/Makefile.cpu
+include $(srctree)/arch/x86/Makefile_32.cpu
# temporary until string.h is fixed
cflags-y += -ffreestanding
diff --git a/arch/i386/Makefile.cpu b/arch/x86/Makefile_32.cpu
similarity index 100%
rename from arch/i386/Makefile.cpu
rename to arch/x86/Makefile_32.cpu
diff --git a/arch/x86_64/Makefile b/arch/x86/Makefile_64
similarity index 98%
rename from arch/x86_64/Makefile
rename to arch/x86/Makefile_64
index 20eb69b..57e714a 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86/Makefile_64
@@ -1,5 +1,5 @@
#
-# x86_64/Makefile
+# x86_64 Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
@@ -21,9 +21,6 @@
#
# $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
-# Fill in SRCARCH
-SRCARCH := x86
-
# BITS is used as extension for files which are available in a 32 bit
# and a 64 bit version to simplify shared Makefiles.
# e.g.: obj-y += foo_$(BITS).o