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 $(CPU_VER) | cut -d '.' -f 3) | |
5f8ffb5f MS |
13 | |
14 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
15 | ||
16 | # Use cpu-related CONFIG_ vars to set compile options. | |
950b260e SR |
17 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... |
18 | # rather than bools y/n | |
5f8ffb5f MS |
19 | |
20 | # Work out HW multipler support. This is icky. | |
21 | # 1. Spartan2 has no HW multiplers. | |
22 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 | |
23 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
24 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
25 | ifeq ($(CPU_MAJOR),3) | |
26 | CPUFLAGS-1 += -mno-xl-soft-mul | |
27 | else | |
28 | # USE_HW_MUL can be 0, 1, or 2, defining a heirarchy of HW Mul support. | |
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 |
950b260e | 40 | KBUILD_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 41 | |
c3055d14 TC |
42 | LDFLAGS := |
43 | LDFLAGS_vmlinux := | |
5f8ffb5f | 44 | |
950b260e | 45 | LIBGCC := $(shell $(CC) $(KBUILD_KERNEL) -print-libgcc-file-name) |
5f8ffb5f | 46 | |
950b260e SR |
47 | head-y := arch/microblaze/kernel/head.o |
48 | libs-y += arch/microblaze/lib/ | |
49 | libs-y += $(LIBGCC) | |
50 | core-y += arch/microblaze/kernel/ | |
51 | core-y += arch/microblaze/mm/ | |
52 | core-y += arch/microblaze/platform/ | |
5f8ffb5f | 53 | |
950b260e | 54 | boot := arch/microblaze/boot |
5f8ffb5f MS |
55 | |
56 | # defines filename extension depending memory management type | |
57 | ifeq ($(CONFIG_MMU),) | |
950b260e | 58 | MMU := -nommu |
5f8ffb5f | 59 | endif |
950b260e SR |
60 | |
61 | export MMU | |
5f8ffb5f MS |
62 | |
63 | all: linux.bin | |
64 | ||
65 | archclean: | |
66 | $(Q)$(MAKE) $(clean)=$(boot) | |
67 | ||
68 | linux.bin linux.bin.gz: vmlinux | |
69 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
70 | ||
71 | define archhelp | |
72 | echo '* linux.bin - Create raw binary' | |
73 | echo ' linux.bin.gz - Create compressed raw binary' | |
74 | endef |