]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
8fad84c1 GU |
2 | KBUILD_DEFCONFIG := mmu_defconfig |
3 | ||
4b2368ff | 4 | UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" |
5f8ffb5f MS |
5 | |
6 | # What CPU vesion are we building for, and crack it open | |
7 | # as major.minor.rev | |
950b260e SR |
8 | CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER)) |
9 | CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1) | |
10 | CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2) | |
11 | CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3) | |
5f8ffb5f MS |
12 | |
13 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
14 | ||
15 | # Use cpu-related CONFIG_ vars to set compile options. | |
950b260e SR |
16 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... |
17 | # rather than bools y/n | |
5f8ffb5f | 18 | |
7f01af04 | 19 | # Work out HW multipler support. This is tricky. |
25985edc | 20 | # 1. Spartan2 has no HW multipliers. |
5f8ffb5f MS |
21 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 |
22 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
23 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
24 | ifeq ($(CPU_MAJOR),3) | |
25 | CPUFLAGS-1 += -mno-xl-soft-mul | |
26 | else | |
732bee7a | 27 | # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support. |
5f8ffb5f MS |
28 | CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high |
29 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul | |
30 | endif | |
31 | endif | |
32 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div | |
33 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift | |
04e3a553 | 34 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare |
71e7673d AB |
35 | |
36 | ifdef CONFIG_CPU_BIG_ENDIAN | |
37 | KBUILD_CFLAGS += -mbig-endian | |
38 | KBUILD_AFLAGS += -mbig-endian | |
d503ac53 | 39 | KBUILD_LDFLAGS += -EB |
71e7673d AB |
40 | else |
41 | KBUILD_CFLAGS += -mlittle-endian | |
42 | KBUILD_AFLAGS += -mlittle-endian | |
d503ac53 | 43 | KBUILD_LDFLAGS += -EL |
71e7673d | 44 | endif |
5f8ffb5f MS |
45 | |
46 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
47 | ||
5f8ffb5f | 48 | # r31 holds current when in kernel mode |
71e7673d | 49 | KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 50 | |
950b260e SR |
51 | head-y := arch/microblaze/kernel/head.o |
52 | libs-y += arch/microblaze/lib/ | |
950b260e SR |
53 | core-y += arch/microblaze/kernel/ |
54 | core-y += arch/microblaze/mm/ | |
a6475c13 | 55 | core-$(CONFIG_PCI) += arch/microblaze/pci/ |
5f8ffb5f | 56 | |
3540ce82 JW |
57 | drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/ |
58 | ||
950b260e | 59 | boot := arch/microblaze/boot |
5f8ffb5f | 60 | |
f05131cd MS |
61 | # Are we making a simpleImage.<boardname> target? If so, crack out the boardname |
62 | DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS))) | |
63 | ||
37c8a5fa | 64 | core-y += $(boot)/dts/ |
f05131cd | 65 | |
05cdf457 | 66 | export DTB |
5f8ffb5f MS |
67 | |
68 | all: linux.bin | |
69 | ||
70 | archclean: | |
71 | $(Q)$(MAKE) $(clean)=$(boot) | |
72 | ||
1e17ab53 FK |
73 | archheaders: |
74 | $(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all | |
75 | ||
3dda563b | 76 | PHONY += linux.bin linux.bin.gz linux.bin.ub |
52e79c4f MY |
77 | linux.bin.ub linux.bin.gz: linux.bin |
78 | linux.bin: vmlinux | |
79 | linux.bin linux.bin.gz linux.bin.ub: | |
b843e4ec | 80 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
2e14f94c | 81 | @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')' |
5f5e3236 | 82 | |
3dda563b MY |
83 | PHONY += simpleImage.$(DTB) |
84 | simpleImage.$(DTB): vmlinux | |
4722a3e6 | 85 | $(Q)$(MAKE) $(build)=$(boot) $(addprefix $(boot)/$@., ub unstrip strip) |
2e14f94c | 86 | @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')' |
5f8ffb5f MS |
87 | |
88 | define archhelp | |
f05131cd MS |
89 | echo '* linux.bin - Create raw binary' |
90 | echo ' linux.bin.gz - Create compressed raw binary' | |
ec2eba55 | 91 | echo ' linux.bin.ub - Create U-Boot wrapped raw binary' |
bafcc61d MY |
92 | echo ' simpleImage.<dt> - Create the following images with <dt>.dtb linked in' |
93 | echo ' simpleImage.<dt> : raw image' | |
94 | echo ' simpleImage.<dt>.ub : raw image with U-Boot header' | |
95 | echo ' simpleImage.<dt>.unstrip: ELF (identical to vmlinux)' | |
96 | echo ' simpleImage.<dt>.strip : stripped ELF' | |
f05131cd MS |
97 | echo ' Targets with <dt> embed a device tree blob inside the image' |
98 | echo ' These targets support board with firmware that does not' | |
99 | echo ' support passing a device tree directly. Replace <dt> with the' | |
100 | echo ' name of a dts file from the arch/microblaze/boot/dts/ directory' | |
101 | echo ' (minus the .dts extension).' | |
5f8ffb5f | 102 | endef |
8a8804f1 AB |
103 | |
104 | MRPROPER_FILES += $(boot)/simpleImage.* |