From 4fac110e534e47a87201f9f19035adc590d5f9c2 Mon Sep 17 00:00:00 2001 From: Stefano Stabellini Date: Thu, 9 Feb 2012 15:32:50 +0000 Subject: arm: makefiles Makefile and config options for the ARM architecture. Signed-off-by: Stefano Stabellini Signed-off-by: Ian Campbell Signed-off-by: Tim Deegan Committed-by: Ian Campbell --- config/arm.mk | 18 ++++++++++++ xen/arch/arm/Makefile | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++ xen/arch/arm/Rules.mk | 29 ++++++++++++++++++++ 3 files changed, 123 insertions(+) create mode 100644 config/arm.mk create mode 100644 xen/arch/arm/Makefile create mode 100644 xen/arch/arm/Rules.mk diff --git a/config/arm.mk b/config/arm.mk new file mode 100644 index 0000000000..f64f0c1c83 --- /dev/null +++ b/config/arm.mk @@ -0,0 +1,18 @@ +CONFIG_ARM := y +CONFIG_ARM_32 := y +CONFIG_ARM_$(XEN_OS) := y + +# -march= -mcpu= + +# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: +CFLAGS += -marm + +HAS_PL011 := y + +# Use only if calling $(LD) directly. +#LDFLAGS_DIRECT_OpenBSD = _obsd +#LDFLAGS_DIRECT_FreeBSD = _fbsd +LDFLAGS_DIRECT_Linux = _linux +LDFLAGS_DIRECT += -marmelf$(LDFLAGS_DIRECT_$(XEN_OS))_eabi + +CONFIG_LOAD_ADDRESS ?= 0x80000000 diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile new file mode 100644 index 0000000000..5a07ae78bf --- /dev/null +++ b/xen/arch/arm/Makefile @@ -0,0 +1,76 @@ +subdir-y += lib + +obj-y += dummy.o +obj-y += entry.o +obj-y += domain.o +obj-y += domain_build.o +obj-y += gic.o +obj-y += io.o +obj-y += irq.o +obj-y += mm.o +obj-y += p2m.o +obj-y += guestcopy.o +obj-y += setup.o +obj-y += time.o +obj-y += smpboot.o +obj-y += smp.o +obj-y += shutdown.o +obj-y += traps.o +obj-y += vgic.o +obj-y += vtimer.o + +#obj-bin-y += ....o + +ALL_OBJS := head.o $(ALL_OBJS) + +$(TARGET): $(TARGET)-syms + # XXX: VE model loads by VMA so instead of + # making a proper ELF we link with LMA == VMA and adjust crudely + $(OBJCOPY) --change-addresses +0x7fe00000 $< $@ + # XXX strip it + +#$(TARGET): $(TARGET)-syms $(efi-y) boot/mkelf32 +# ./boot/mkelf32 $(TARGET)-syms $(TARGET) 0x100000 \ +# `$(NM) -nr $(TARGET)-syms | head -n 1 | sed -e 's/^\([^ ]*\).*/0x\1/'` + +ifeq ($(lto),y) +# Gather all LTO objects together +prelink_lto.o: $(ALL_OBJS) + $(LD_LTO) -r -o $@ $^ + +# Link it with all the binary objects +prelink.o: $(patsubst %/built_in.o,%/built_in_bin.o,$(ALL_OBJS)) prelink_lto.o + $(LD) $(LDFLAGS) -r -o $@ $^ +else +prelink.o: $(ALL_OBJS) + $(LD) $(LDFLAGS) -r -o $@ $^ +endif + +$(BASEDIR)/common/symbols-dummy.o: + $(MAKE) -f $(BASEDIR)/Rules.mk -C $(BASEDIR)/common symbols-dummy.o + +$(TARGET)-syms: prelink.o xen.lds $(BASEDIR)/common/symbols-dummy.o + $(LD) $(LDFLAGS) -T xen.lds -N prelink.o \ + $(BASEDIR)/common/symbols-dummy.o -o $(@D)/.$(@F).0 + $(NM) -n $(@D)/.$(@F).0 | $(BASEDIR)/tools/symbols >$(@D)/.$(@F).0.S + $(MAKE) -f $(BASEDIR)/Rules.mk $(@D)/.$(@F).0.o + $(LD) $(LDFLAGS) -T xen.lds -N prelink.o \ + $(@D)/.$(@F).0.o -o $(@D)/.$(@F).1 + $(NM) -n $(@D)/.$(@F).1 | $(BASEDIR)/tools/symbols >$(@D)/.$(@F).1.S + $(MAKE) -f $(BASEDIR)/Rules.mk $(@D)/.$(@F).1.o + $(LD) $(LDFLAGS) -T xen.lds -N prelink.o \ + $(@D)/.$(@F).1.o -o $@ + rm -f $(@D)/.$(@F).[0-9]* + +asm-offsets.s: asm-offsets.c + $(CC) $(filter-out -flto,$(CFLAGS)) -S -o $@ $< + +xen.lds: xen.lds.S + $(CC) -P -E -Ui386 $(AFLAGS) -DXEN_PHYS_START=$(CONFIG_LOAD_ADDRESS) -o $@ $< + sed -e 's/xen\.lds\.o:/xen\.lds:/g' <.xen.lds.d >.xen.lds.d.new + mv -f .xen.lds.d.new .xen.lds.d + +.PHONY: clean +clean:: + rm -f asm-offsets.s xen.lds + rm -f $(BASEDIR)/.xen-syms.[0-9]* diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk new file mode 100644 index 0000000000..336e209081 --- /dev/null +++ b/xen/arch/arm/Rules.mk @@ -0,0 +1,29 @@ +######################################## +# arm-specific definitions + +# +# If you change any of these configuration options then you must +# 'make clean' before rebuilding. +# + +CFLAGS += -fno-builtin -fno-common -Wredundant-decls +CFLAGS += -iwithprefix include -Werror -Wno-pointer-arith -pipe +CFLAGS += -I$(BASEDIR)/include + +# Prevent floating-point variables from creeping into Xen. +CFLAGS += -msoft-float + +$(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS)) +$(call cc-option-add,CFLAGS,CC,-Wnested-externs) + +arm := y + +ifneq ($(call cc-option,$(CC),-fvisibility=hidden,n),n) +CFLAGS += -DGCC_HAS_VISIBILITY_ATTRIBUTE +endif + +CFLAGS += -march=armv7-a -mcpu=cortex-a15 + +# Require GCC v3.4+ (to avoid issues with alignment constraints in Xen headers) +check-$(gcc) = $(call cc-ver-check,CC,0x030400,"Xen requires at least gcc-3.4") +$(eval $(check-y)) -- cgit v1.2.3