microblaze_v8: Makefiles for Microblaze cpu

UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\"

# What CPU vesion are we building for, and crack it open

# as major.minor.rev

CPU_VER=$(subst ",,$(CONFIG_XILINX_MICROBLAZE0_HW_VER) )

CPU_MAJOR=$(shell echo $(CPU_VER) | cut -d '.' -f 1)

CPU_MINOR=$(shell echo $(CPU_VER) | cut -d '.' -f 2)

CPU_REV=$(shell echo $(CPU_VER) | cut -d '.' -f 3)

export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV

# Use cpu-related CONFIG_ vars to set compile options.

# Work out HW multipler support.  This is icky.

# 1. Spartan2 has no HW multiplers.

# 2. MicroBlaze v3.x always uses them, except in Spartan 2

# 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings

ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY)))

  ifeq ($(CPU_MAJOR),3)

    CPUFLAGS-1 += -mno-xl-soft-mul

  else

    # USE_HW_MUL can be 0, 1, or 2, defining a heirarchy of HW Mul support.

    CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high

    CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul

  endif

endif

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP) += -mxl-pattern-compare

CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))

# The various CONFIG_XILINX cpu features options are integers 0/1/2...

# rather than bools y/n

CFLAGS += $(CPUFLAGS-1)

CFLAGS += $(CPUFLAGS-2)

# r31 holds current when in kernel mode

CFLAGS += -ffixed-r31

LDFLAGS_BLOB := --format binary --oformat elf32-microblaze

LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)

head-y		:= arch/microblaze/kernel/head.o

libs-y		+= arch/microblaze/lib/ $(LIBGCC)

core-y		+= arch/microblaze/kernel/ arch/microblaze/mm/ \

		   arch/microblaze/platform/

boot := arch/$(ARCH)/boot

# defines filename extension depending memory management type

ifeq ($(CONFIG_MMU),)

MMUEXT		:= -nommu

endif

export	MMUEXT

all: linux.bin

archclean:

	$(Q)$(MAKE) $(clean)=$(boot)

linux.bin linux.bin.gz: vmlinux

	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

define archhelp

  echo  '* linux.bin    - Create raw binary'

  echo  '  linux.bin.gz - Create compressed raw binary'

endef

#

# arch/microblaze/boot/Makefile

#

targets := linux.bin linux.bin.gz

OBJCOPYFLAGS_linux.bin  := -O binary

$(obj)/linux.bin: vmlinux FORCE

	$(call if_changed,objcopy)

	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'

$(obj)/linux.bin.gz: $(obj)/linux.bin FORCE

	$(call if_changed,gzip)

	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'

clean-kernel += linux.bin linux.bin.gz

#

# Makefile

#

extra-y := head.o vmlinux.lds

obj-y += exceptions.o \

	hw_exception_handler.o init_task.o intc.o irq.o of_device.o \

	of_platform.o process.o prom.o prom_parse.o ptrace.o \

	setup.o signal.o sys_microblaze.o timer.o traps.o

obj-y += cpu/

obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o

obj-$(CONFIG_SELFMOD)		+= selfmod.o

obj-$(CONFIG_HEART_BEAT)	+= heartbeat.o

obj-$(CONFIG_MODULES)		+= microblaze_ksyms.o module.o

obj-y	+= entry$(MMUEXT).o

#

# Build the appropriate CPU version support

#

EXTRA_CFLAGS += -DCPU_MAJOR=$(CPU_MAJOR) -DCPU_MINOR=$(CPU_MINOR) \

		-DCPU_REV=$(CPU_REV)

obj-y += cache.o cpuinfo.o cpuinfo-pvr-full.o cpuinfo-static.o mb.o pvr.o

#

# Makefile

#

lib-y :=  memset.o checksum.o

ifeq ($(CONFIG_OPT_LIB_ASM),y)

lib-y += fastcopy.o

else

lib-y += memcpy.o memmove.o

endif

lib-y +=  uaccess.o