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[Xen-devel] [PATCH] arm: clean up build variables



This consolidates some of the different variables used for the ARM
builds. This change was prompted by the Kconfig changes but looking back
in time the CONFIG_ARM_{32,64} variables existed before Kconfig so this
should just be a generic cleanup.

Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
---
 xen/arch/arm/Makefile            |  8 ++++----
 xen/arch/arm/Rules.mk            | 18 ++++--------------
 xen/drivers/passthrough/Makefile |  2 +-
 3 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
index 2f050f5..0d11c0f 100644
--- a/xen/arch/arm/Makefile
+++ b/xen/arch/arm/Makefile
@@ -1,7 +1,7 @@
-subdir-$(arm32) += arm32
-subdir-$(arm64) += arm64
+subdir-$(CONFIG_ARM_32) += arm32
+subdir-$(CONFIG_ARM_64) += arm64
 subdir-y += platforms
-subdir-$(arm64) += efi
+subdir-$(CONFIG_ARM_64) += efi
 
 obj-$(EARLY_PRINTK) += early_printk.o
 obj-y += cpu.o
@@ -52,7 +52,7 @@ ALL_OBJS := $(TARGET_SUBARCH)/head.o $(ALL_OBJS)
 
 $(TARGET): $(TARGET)-syms $(TARGET).axf
        $(OBJCOPY) -O binary -S $< $@
-ifeq (arm64,$(XEN_TARGET_ARCH))
+ifdef CONFIG_ARM_64
        ln -sf $(notdir $@)  ../../$(notdir $@).efi
 endif
 
diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk
index 4947e64..0aea282 100644
--- a/xen/arch/arm/Rules.mk
+++ b/xen/arch/arm/Rules.mk
@@ -11,22 +11,12 @@ CFLAGS += -I$(BASEDIR)/include
 $(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
 $(call cc-option-add,CFLAGS,CC,-Wnested-externs)
 
-arm := y
-
-ifeq ($(TARGET_SUBARCH),arm32)
 # Prevent floating-point variables from creeping into Xen.
-CFLAGS += -msoft-float
-CFLAGS += -mcpu=cortex-a15
-arm32 := y
-arm64 := n
-endif
+CFLAGS-$(CONFIG_ARM_32) += -msoft-float
+CFLAGS-$(CONFIG_ARM_32) += -mcpu=cortex-a15
 
-ifeq ($(TARGET_SUBARCH),arm64)
-CFLAGS += -mcpu=generic
-CFLAGS += -mgeneral-regs-only # No fp registers etc
-arm32 := n
-arm64 := y
-endif
+CFLAGS-$(CONFIG_ARM_64) += -mcpu=generic
+CFLAGS-$(CONFIG_ARM_64) += -mgeneral-regs-only # No fp registers etc
 
 ifneq ($(call cc-option,$(CC),-fvisibility=hidden,n),n)
 CFLAGS += -DGCC_HAS_VISIBILITY_ATTRIBUTE
diff --git a/xen/drivers/passthrough/Makefile b/xen/drivers/passthrough/Makefile
index ca84e36..6087333 100644
--- a/xen/drivers/passthrough/Makefile
+++ b/xen/drivers/passthrough/Makefile
@@ -1,7 +1,7 @@
 subdir-$(CONFIG_X86) += vtd
 subdir-$(CONFIG_X86) += amd
 subdir-$(CONFIG_X86) += x86
-subdir-$(arm) += arm
+subdir-$(CONFIG_ARM) += arm
 
 obj-y += iommu.o
 obj-$(CONFIG_X86) += io.o
-- 
2.4.10


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