Commit 5f8ffb5f authored by Michal Simek's avatar Michal Simek
parent 575ca288
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
#
# Makefile
#
obj-y := init.o
#
# Makefile for arch/microblaze/platform directory
#
#obj-$(CONFIG_PLATFORM_GENERIC) += generic/
obj-y += platform.o
#
# Empty Makefile to keep make clean happy
#
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