X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=config.mk;h=8cfd60c86ca0498665cc3bac36cb5a7ed72c41d2;hp=37d61a0c86844df7e124515b3d63d94a88ebc1ae;hb=c0a1dfdec293576b5727d7568bf423e60042f878;hpb=881cf02f47390c7515f4e11727a473ab042d6d76 diff --git a/config.mk b/config.mk index 37d61a0c86..8cfd60c86c 100644 --- a/config.mk +++ b/config.mk @@ -44,56 +44,9 @@ PLATFORM_RELFLAGS = PLATFORM_CPPFLAGS = PLATFORM_LDFLAGS = -# -# When cross-compiling on NetBSD, we have to define __PPC__ or else we -# will pick up a va_list declaration that is incompatible with the -# actual argument lists emitted by the compiler. -# -# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] - -ifeq ($(ARCH),ppc) -ifeq ($(CROSS_COMPILE),powerpc-netbsd-) -PLATFORM_CPPFLAGS+= -D__PPC__ -endif -ifeq ($(CROSS_COMPILE),powerpc-openbsd-) -PLATFORM_CPPFLAGS+= -D__PPC__ -endif -endif - -ifeq ($(ARCH),arm) -ifeq ($(CROSS_COMPILE),powerpc-netbsd-) -PLATFORM_CPPFLAGS+= -D__ARM__ -endif -ifeq ($(CROSS_COMPILE),powerpc-openbsd-) -PLATFORM_CPPFLAGS+= -D__ARM__ -endif -endif - -ifdef ARCH -sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules -endif -ifdef CPU -sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules -endif -ifdef SOC -sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules -endif -ifdef VENDOR -BOARDDIR = $(VENDOR)/$(BOARD) -else -BOARDDIR = $(BOARD) -endif -ifdef BOARD -sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules -endif - ######################################################################### -CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - else if [ -x /bin/bash ]; then echo /bin/bash; \ - else echo sh; fi ; fi) - -ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) +ifeq ($(HOSTOS),darwin) HOSTCC = cc else HOSTCC = gcc @@ -118,11 +71,37 @@ CC = $(CROSS_COMPILE)gcc CPP = $(CC) -E AR = $(CROSS_COMPILE)ar NM = $(CROSS_COMPILE)nm +LDR = $(CROSS_COMPILE)ldr STRIP = $(CROSS_COMPILE)strip OBJCOPY = $(CROSS_COMPILE)objcopy OBJDUMP = $(CROSS_COMPILE)objdump RANLIB = $(CROSS_COMPILE)RANLIB +######################################################################### + +# Load generated board configuration +sinclude $(OBJTREE)/include/autoconf.mk + +ifdef ARCH +sinclude $(TOPDIR)/lib_$(ARCH)/config.mk # include architecture dependend rules +endif +ifdef CPU +sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules +endif +ifdef SOC +sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules +endif +ifdef VENDOR +BOARDDIR = $(VENDOR)/$(BOARD) +else +BOARDDIR = $(BOARD) +endif +ifdef BOARD +sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules +endif + +######################################################################### + ifneq (,$(findstring s,$(MAKEFLAGS))) ARFLAGS = cr else @@ -144,14 +123,21 @@ OBJCFLAGS += --gap-fill=0xff gccincdir := $(shell $(CC) -print-file-name=include) CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ - -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \ + -D__KERNEL__ +ifneq ($(TEXT_BASE),) +CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) +endif + +ifneq ($(RESET_VECTOR_ADDRESS),) +CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) +endif ifneq ($(OBJTREE),$(SRCTREE)) CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include endif CPPFLAGS += -I$(TOPDIR)/include -CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ +CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) ifdef BUILD_TAG @@ -161,6 +147,8 @@ else CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes endif +CFLAGS += $(call cc-option,-fno-stack-protector) + # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9) # this option have to be placed behind -Wall -- that's why it is here ifeq ($(ARCH),nios) @@ -182,7 +170,10 @@ endif AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) -LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) +LDFLAGS += -Bstatic -T $(obj)u-boot.lds $(PLATFORM_LDFLAGS) +ifneq ($(TEXT_BASE),) +LDFLAGS += -Ttext $(TEXT_BASE) +endif # Location of a usable BFD library, where we define "usable" as # "built for ${HOST}, supports ${TARGET}". Sensible values are @@ -194,7 +185,7 @@ LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) # # So far, this is used only by tools/gdb/Makefile. -ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) +ifeq ($(HOSTOS),darwin) BFD_ROOT_DIR = /usr/local/tools else ifeq ($(HOSTARCH),$(ARCH)) @@ -207,36 +198,25 @@ BFD_ROOT_DIR = /opt/powerpc endif endif -ifeq ($(PCI_CLOCK),PCI_66M) -CFLAGS := $(CFLAGS) -DPCI_66M -endif - ######################################################################### -export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \ - AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \ - MAKE +export HOSTCC HOSTCFLAGS CROSS_COMPILE \ + AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS ######################################################################### -ifndef REMOTE_BUILD - -%.s: %.S - $(CPP) $(AFLAGS) -o $@ $< -%.o: %.S - $(CC) $(AFLAGS) -c -o $@ $< -%.o: %.c - $(CC) $(CFLAGS) -c -o $@ $< - -else - +# Allow boards to use custom optimize flags on a per dir/file basis +BCURDIR := $(notdir $(CURDIR)) $(obj)%.s: %.S - $(CPP) $(AFLAGS) -o $@ $< + $(CPP) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< $(obj)%.o: %.S - $(CC) $(AFLAGS) -c -o $@ $< + $(CC) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< -c $(obj)%.o: %.c - $(CC) $(CFLAGS) -c -o $@ $< -endif + $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c +$(obj)%.i: %.c + $(CPP) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c +$(obj)%.s: %.c + $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c -S #########################################################################