Commit | Line | Data |
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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 | 38 | |
c3055d14 TC |
39 | LDFLAGS := |
40 | LDFLAGS_vmlinux := | |
5f8ffb5f MS |
41 | LDFLAGS_BLOB := --format binary --oformat elf32-microblaze |
42 | ||
993ce240 | 43 | LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name) |
5f8ffb5f MS |
44 | |
45 | head-y := arch/microblaze/kernel/head.o | |
46 | libs-y += arch/microblaze/lib/ $(LIBGCC) | |
47 | core-y += arch/microblaze/kernel/ arch/microblaze/mm/ \ | |
48 | arch/microblaze/platform/ | |
49 | ||
50 | boot := arch/$(ARCH)/boot | |
51 | ||
52 | # defines filename extension depending memory management type | |
53 | ifeq ($(CONFIG_MMU),) | |
54 | MMUEXT := -nommu | |
55 | endif | |
56 | export MMUEXT | |
57 | ||
58 | all: linux.bin | |
59 | ||
60 | archclean: | |
61 | $(Q)$(MAKE) $(clean)=$(boot) | |
62 | ||
63 | linux.bin linux.bin.gz: vmlinux | |
64 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
65 | ||
66 | define archhelp | |
67 | echo '* linux.bin - Create raw binary' | |
68 | echo ' linux.bin.gz - Create compressed raw binary' | |
69 | endef |