1 KBUILD_DEFCONFIG := mmu_defconfig
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
6 UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\"
9 # What CPU vesion are we building for, and crack it open
11 CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER))
12 CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1)
13 CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2)
14 CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3)
16 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV
18 # Use cpu-related CONFIG_ vars to set compile options.
19 # The various CONFIG_XILINX cpu features options are integers 0/1/2...
20 # rather than bools y/n
22 # Work out HW multipler support. This is tricky.
23 # 1. Spartan2 has no HW multipliers.
24 # 2. MicroBlaze v3.x always uses them, except in Spartan 2
25 # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings
26 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY)))
28 CPUFLAGS-1 += -mno-xl-soft-mul
30 # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
31 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
35 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
36 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
37 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
38 CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian
39 CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian
41 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
43 # r31 holds current when in kernel mode
44 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
49 head-y := arch/microblaze/kernel/head.o
50 libs-y += arch/microblaze/lib/
51 core-y += arch/microblaze/kernel/
52 core-y += arch/microblaze/mm/
53 core-$(CONFIG_PCI) += arch/microblaze/pci/
55 drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/
57 boot := arch/microblaze/boot
59 # Are we making a simpleImage.<boardname> target? If so, crack out the boardname
60 DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
63 core-y += $(boot)/dts/
66 # defines filename extension depending memory management type
76 $(Q)$(MAKE) $(clean)=$(boot)
78 linux.bin linux.bin.gz linux.bin.ub: vmlinux
79 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
81 simpleImage.%: vmlinux
82 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
85 echo '* linux.bin - Create raw binary'
86 echo ' linux.bin.gz - Create compressed raw binary'
87 echo ' linux.bin.ub - Create U-Boot wrapped raw binary'
88 echo ' simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
89 echo ' - stripped elf with fdt blob'
90 echo ' simpleImage.<dt>.unstrip - full ELF image with fdt blob'
91 echo ' *_defconfig - Select default config from arch/microblaze/configs'
93 echo ' Targets with <dt> embed a device tree blob inside the image'
94 echo ' These targets support board with firmware that does not'
95 echo ' support passing a device tree directly. Replace <dt> with the'
96 echo ' name of a dts file from the arch/microblaze/boot/dts/ directory'
97 echo ' (minus the .dts extension).'
100 MRPROPER_FILES += $(boot)/simpleImage.*