Commit | Line | Data |
---|---|---|
4b2368ff MS |
1 | ifeq ($(CONFIG_MMU),y) |
2 | UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" | |
3 | else | |
5f8ffb5f | 4 | UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" |
4b2368ff | 5 | endif |
5f8ffb5f MS |
6 | |
7 | # What CPU vesion are we building for, and crack it open | |
8 | # as major.minor.rev | |
950b260e SR |
9 | CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER)) |
10 | CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1) | |
11 | CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2) | |
12 | CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3) | |
5f8ffb5f MS |
13 | |
14 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
15 | ||
16 | # Use cpu-related CONFIG_ vars to set compile options. | |
950b260e SR |
17 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... |
18 | # rather than bools y/n | |
5f8ffb5f | 19 | |
7f01af04 | 20 | # Work out HW multipler support. This is tricky. |
25985edc | 21 | # 1. Spartan2 has no HW multipliers. |
5f8ffb5f MS |
22 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 |
23 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
24 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
25 | ifeq ($(CPU_MAJOR),3) | |
26 | CPUFLAGS-1 += -mno-xl-soft-mul | |
27 | else | |
732bee7a | 28 | # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support. |
5f8ffb5f MS |
29 | CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high |
30 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul | |
31 | endif | |
32 | endif | |
33 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div | |
34 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift | |
04e3a553 | 35 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare |
5f8ffb5f MS |
36 | |
37 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
38 | ||
5f8ffb5f | 39 | # r31 holds current when in kernel mode |
e469b0eb | 40 | KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 41 | |
c3055d14 TC |
42 | LDFLAGS := |
43 | LDFLAGS_vmlinux := | |
5f8ffb5f | 44 | |
950b260e SR |
45 | head-y := arch/microblaze/kernel/head.o |
46 | libs-y += arch/microblaze/lib/ | |
950b260e SR |
47 | core-y += arch/microblaze/kernel/ |
48 | core-y += arch/microblaze/mm/ | |
49 | core-y += arch/microblaze/platform/ | |
a6475c13 | 50 | core-$(CONFIG_PCI) += arch/microblaze/pci/ |
5f8ffb5f | 51 | |
3540ce82 JW |
52 | drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/ |
53 | ||
950b260e | 54 | boot := arch/microblaze/boot |
5f8ffb5f | 55 | |
f05131cd MS |
56 | # Are we making a simpleImage.<boardname> target? If so, crack out the boardname |
57 | DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS))) | |
58 | ||
59 | ifneq ($(DTB),) | |
60 | core-y += $(boot)/ | |
61 | endif | |
62 | ||
5f8ffb5f MS |
63 | # defines filename extension depending memory management type |
64 | ifeq ($(CONFIG_MMU),) | |
950b260e | 65 | MMU := -nommu |
5f8ffb5f | 66 | endif |
950b260e | 67 | |
f05131cd | 68 | export MMU DTB |
5f8ffb5f MS |
69 | |
70 | all: linux.bin | |
71 | ||
b843e4ec TB |
72 | # With make 3.82 we cannot mix normal and wildcard targets |
73 | BOOT_TARGETS1 = linux.bin linux.bin.gz | |
74 | BOOT_TARGETS2 = simpleImage.% | |
f05131cd | 75 | |
5f8ffb5f MS |
76 | archclean: |
77 | $(Q)$(MAKE) $(clean)=$(boot) | |
78 | ||
b843e4ec TB |
79 | $(BOOT_TARGETS1): vmlinux |
80 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
81 | $(BOOT_TARGETS2): vmlinux | |
5f8ffb5f MS |
82 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
83 | ||
84 | define archhelp | |
f05131cd MS |
85 | echo '* linux.bin - Create raw binary' |
86 | echo ' linux.bin.gz - Create compressed raw binary' | |
87 | echo ' simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in' | |
699d17bc | 88 | echo ' - stripped elf with fdt blob' |
f05131cd MS |
89 | echo ' simpleImage.<dt>.unstrip - full ELF image with fdt blob' |
90 | echo ' *_defconfig - Select default config from arch/microblaze/configs' | |
91 | echo '' | |
92 | echo ' Targets with <dt> embed a device tree blob inside the image' | |
93 | echo ' These targets support board with firmware that does not' | |
94 | echo ' support passing a device tree directly. Replace <dt> with the' | |
95 | echo ' name of a dts file from the arch/microblaze/boot/dts/ directory' | |
96 | echo ' (minus the .dts extension).' | |
5f8ffb5f | 97 | endef |
8a8804f1 AB |
98 | |
99 | MRPROPER_FILES += $(boot)/simpleImage.* |