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 |
206d3642 BM |
39 | CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian |
40 | CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian | |
5f8ffb5f MS |
41 | |
42 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
43 | ||
5f8ffb5f | 44 | # r31 holds current when in kernel mode |
e469b0eb | 45 | KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 46 | |
c3055d14 TC |
47 | LDFLAGS := |
48 | LDFLAGS_vmlinux := | |
5f8ffb5f | 49 | |
950b260e SR |
50 | head-y := arch/microblaze/kernel/head.o |
51 | libs-y += arch/microblaze/lib/ | |
950b260e SR |
52 | core-y += arch/microblaze/kernel/ |
53 | core-y += arch/microblaze/mm/ | |
a6475c13 | 54 | core-$(CONFIG_PCI) += arch/microblaze/pci/ |
5f8ffb5f | 55 | |
3540ce82 JW |
56 | drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/ |
57 | ||
950b260e | 58 | boot := arch/microblaze/boot |
5f8ffb5f | 59 | |
f05131cd MS |
60 | # Are we making a simpleImage.<boardname> target? If so, crack out the boardname |
61 | DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS))) | |
62 | ||
63 | ifneq ($(DTB),) | |
300db34a | 64 | core-y += $(boot)/dts/ |
f05131cd MS |
65 | endif |
66 | ||
5f8ffb5f MS |
67 | # defines filename extension depending memory management type |
68 | ifeq ($(CONFIG_MMU),) | |
950b260e | 69 | MMU := -nommu |
5f8ffb5f | 70 | endif |
950b260e | 71 | |
f05131cd | 72 | export MMU DTB |
5f8ffb5f MS |
73 | |
74 | all: linux.bin | |
75 | ||
76 | archclean: | |
77 | $(Q)$(MAKE) $(clean)=$(boot) | |
78 | ||
ec2eba55 | 79 | linux.bin linux.bin.gz linux.bin.ub: vmlinux |
b843e4ec | 80 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
5f5e3236 JW |
81 | |
82 | simpleImage.%: vmlinux | |
5f8ffb5f MS |
83 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
84 | ||
85 | define archhelp | |
f05131cd MS |
86 | echo '* linux.bin - Create raw binary' |
87 | echo ' linux.bin.gz - Create compressed raw binary' | |
ec2eba55 | 88 | echo ' linux.bin.ub - Create U-Boot wrapped raw binary' |
f05131cd | 89 | echo ' simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in' |
699d17bc | 90 | echo ' - stripped elf with fdt blob' |
f05131cd MS |
91 | echo ' simpleImage.<dt>.unstrip - full ELF image with fdt blob' |
92 | echo ' *_defconfig - Select default config from arch/microblaze/configs' | |
93 | echo '' | |
94 | echo ' Targets with <dt> embed a device tree blob inside the image' | |
95 | echo ' These targets support board with firmware that does not' | |
96 | echo ' support passing a device tree directly. Replace <dt> with the' | |
97 | echo ' name of a dts file from the arch/microblaze/boot/dts/ directory' | |
98 | echo ' (minus the .dts extension).' | |
5f8ffb5f | 99 | endef |
8a8804f1 AB |
100 | |
101 | MRPROPER_FILES += $(boot)/simpleImage.* |