projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f8ffb5f MS |
1 | UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" |
| 2 | ||
| 3 | # What CPU vesion are we building for, and crack it open | |
| 4 | # as major.minor.rev | |
| 5 | CPU_VER=$(subst ",,$(CONFIG_XILINX_MICROBLAZE0_HW_VER) ) | |
| 6 | CPU_MAJOR=$(shell echo $(CPU_VER) | cut -d '.' -f 1) | |
| 7 | CPU_MINOR=$(shell echo $(CPU_VER) | cut -d '.' -f 2) | |
| 8 | CPU_REV=$(shell echo $(CPU_VER) | cut -d '.' -f 3) | |
| 9 | ||
| 10 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
| 11 | ||
| 12 | # Use cpu-related CONFIG_ vars to set compile options. | |
| 13 | ||
| 14 | # Work out HW multipler support. This is icky. | |
| 15 | # 1. Spartan2 has no HW multiplers. | |
| 16 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 | |
| 17 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
| 18 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
| 19 | ifeq ($(CPU_MAJOR),3) | |
| 20 | CPUFLAGS-1 += -mno-xl-soft-mul | |
| 21 | else | |
| 22 | # USE_HW_MUL can be 0, 1, or 2, defining a heirarchy of HW Mul support. | |
| 23 | CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high | |
| 24 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul | |
| 25 | endif | |
| 26 | endif | |
| 27 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div | |
| 28 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift | |
| 04e3a553 | 29 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare |
| 5f8ffb5f MS |
30 | |
| 31 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
| 32 | ||
| 33 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... | |
| 34 | # rather than bools y/n | |
| 5f8ffb5f MS |
35 | |
| 36 | # r31 holds current when in kernel mode | |
| 993ce240 | 37 | CFLAGS_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
| 5f8ffb5f MS |
38 | |
| 39 | LDFLAGS_BLOB := --format binary --oformat elf32-microblaze | |
| 40 | ||
| 993ce240 | 41 | LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name) |
| 5f8ffb5f MS |
42 | |
| 43 | head-y := arch/microblaze/kernel/head.o | |
| 44 | libs-y += arch/microblaze/lib/ $(LIBGCC) | |
| 45 | core-y += arch/microblaze/kernel/ arch/microblaze/mm/ \ | |
| 46 | arch/microblaze/platform/ | |
| 47 | ||
| 48 | boot := arch/$(ARCH)/boot | |
| 49 | ||
| 50 | # defines filename extension depending memory management type | |
| 51 | ifeq ($(CONFIG_MMU),) | |
| 52 | MMUEXT := -nommu | |
| 53 | endif | |
| 54 | export MMUEXT | |
| 55 | ||
| 56 | all: linux.bin | |
| 57 | ||
| 58 | archclean: | |
| 59 | $(Q)$(MAKE) $(clean)=$(boot) | |
| 60 | ||
| 61 | linux.bin linux.bin.gz: vmlinux | |
| 62 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
| 63 | ||
| 64 | define archhelp | |
| 65 | echo '* linux.bin - Create raw binary' | |
| 66 | echo ' linux.bin.gz - Create compressed raw binary' | |
| 67 | endef |