Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
8fad84c1 GU |
2 | KBUILD_DEFCONFIG := mmu_defconfig |
3 | ||
4b2368ff MS |
4 | ifeq ($(CONFIG_MMU),y) |
5 | UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" | |
6 | else | |
5f8ffb5f | 7 | UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" |
4b2368ff | 8 | endif |
5f8ffb5f MS |
9 | |
10 | # What CPU vesion are we building for, and crack it open | |
11 | # as major.minor.rev | |
950b260e SR |
12 | CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER)) |
13 | CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1) | |
14 | CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2) | |
15 | CPU_REV := $(shell echo $(CPU_VER) | cut -d '.' -f 3) | |
5f8ffb5f MS |
16 | |
17 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
18 | ||
19 | # Use cpu-related CONFIG_ vars to set compile options. | |
950b260e SR |
20 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... |
21 | # rather than bools y/n | |
5f8ffb5f | 22 | |
7f01af04 | 23 | # Work out HW multipler support. This is tricky. |
25985edc | 24 | # 1. Spartan2 has no HW multipliers. |
5f8ffb5f MS |
25 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 |
26 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
27 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
28 | ifeq ($(CPU_MAJOR),3) | |
29 | CPUFLAGS-1 += -mno-xl-soft-mul | |
30 | else | |
732bee7a | 31 | # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support. |
5f8ffb5f MS |
32 | CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high |
33 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul | |
34 | endif | |
35 | endif | |
36 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div | |
37 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift | |
04e3a553 | 38 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare |
71e7673d AB |
39 | |
40 | ifdef CONFIG_CPU_BIG_ENDIAN | |
41 | KBUILD_CFLAGS += -mbig-endian | |
42 | KBUILD_AFLAGS += -mbig-endian | |
d503ac53 | 43 | KBUILD_LDFLAGS += -EB |
71e7673d AB |
44 | else |
45 | KBUILD_CFLAGS += -mlittle-endian | |
46 | KBUILD_AFLAGS += -mlittle-endian | |
d503ac53 | 47 | KBUILD_LDFLAGS += -EL |
71e7673d | 48 | endif |
5f8ffb5f MS |
49 | |
50 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
51 | ||
5f8ffb5f | 52 | # r31 holds current when in kernel mode |
71e7673d | 53 | KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 54 | |
950b260e SR |
55 | head-y := arch/microblaze/kernel/head.o |
56 | libs-y += arch/microblaze/lib/ | |
950b260e SR |
57 | core-y += arch/microblaze/kernel/ |
58 | core-y += arch/microblaze/mm/ | |
a6475c13 | 59 | core-$(CONFIG_PCI) += arch/microblaze/pci/ |
5f8ffb5f | 60 | |
3540ce82 JW |
61 | drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/ |
62 | ||
950b260e | 63 | boot := arch/microblaze/boot |
5f8ffb5f | 64 | |
f05131cd MS |
65 | # Are we making a simpleImage.<boardname> target? If so, crack out the boardname |
66 | DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS))) | |
67 | ||
37c8a5fa | 68 | core-y += $(boot)/dts/ |
f05131cd | 69 | |
5f8ffb5f MS |
70 | # defines filename extension depending memory management type |
71 | ifeq ($(CONFIG_MMU),) | |
950b260e | 72 | MMU := -nommu |
5f8ffb5f | 73 | endif |
950b260e | 74 | |
f05131cd | 75 | export MMU DTB |
5f8ffb5f MS |
76 | |
77 | all: linux.bin | |
78 | ||
79 | archclean: | |
80 | $(Q)$(MAKE) $(clean)=$(boot) | |
81 | ||
1e17ab53 FK |
82 | archheaders: |
83 | $(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all | |
84 | ||
3dda563b | 85 | PHONY += linux.bin linux.bin.gz linux.bin.ub |
52e79c4f MY |
86 | linux.bin.ub linux.bin.gz: linux.bin |
87 | linux.bin: vmlinux | |
88 | linux.bin linux.bin.gz linux.bin.ub: | |
b843e4ec | 89 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
2e14f94c | 90 | @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')' |
5f5e3236 | 91 | |
3dda563b MY |
92 | PHONY += simpleImage.$(DTB) |
93 | simpleImage.$(DTB): vmlinux | |
4722a3e6 | 94 | $(Q)$(MAKE) $(build)=$(boot) $(addprefix $(boot)/$@., ub unstrip strip) |
2e14f94c | 95 | @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')' |
5f8ffb5f MS |
96 | |
97 | define archhelp | |
f05131cd MS |
98 | echo '* linux.bin - Create raw binary' |
99 | echo ' linux.bin.gz - Create compressed raw binary' | |
ec2eba55 | 100 | echo ' linux.bin.ub - Create U-Boot wrapped raw binary' |
bafcc61d MY |
101 | echo ' simpleImage.<dt> - Create the following images with <dt>.dtb linked in' |
102 | echo ' simpleImage.<dt> : raw image' | |
103 | echo ' simpleImage.<dt>.ub : raw image with U-Boot header' | |
104 | echo ' simpleImage.<dt>.unstrip: ELF (identical to vmlinux)' | |
105 | echo ' simpleImage.<dt>.strip : stripped ELF' | |
f05131cd MS |
106 | echo ' Targets with <dt> embed a device tree blob inside the image' |
107 | echo ' These targets support board with firmware that does not' | |
108 | echo ' support passing a device tree directly. Replace <dt> with the' | |
109 | echo ' name of a dts file from the arch/microblaze/boot/dts/ directory' | |
110 | echo ' (minus the .dts extension).' | |
5f8ffb5f | 111 | endef |
8a8804f1 AB |
112 | |
113 | MRPROPER_FILES += $(boot)/simpleImage.* |