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Commit | Line | Data |
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4b2368ff MS |
1 | ifeq ($(CONFIG_MMU),y) |
2 | UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" | |
3 | else | |
5f8ffb5f | 4 | UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" |
4b2368ff | 5 | endif |
5f8ffb5f MS |
6 | |
7 | # What CPU vesion are we building for, and crack it open | |
8 | # as major.minor.rev | |
9 | CPU_VER=$(subst ",,$(CONFIG_XILINX_MICROBLAZE0_HW_VER) ) | |
10 | CPU_MAJOR=$(shell echo $(CPU_VER) | cut -d '.' -f 1) | |
11 | CPU_MINOR=$(shell echo $(CPU_VER) | cut -d '.' -f 2) | |
12 | CPU_REV=$(shell echo $(CPU_VER) | cut -d '.' -f 3) | |
13 | ||
14 | export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV | |
15 | ||
16 | # Use cpu-related CONFIG_ vars to set compile options. | |
17 | ||
18 | # Work out HW multipler support. This is icky. | |
19 | # 1. Spartan2 has no HW multiplers. | |
20 | # 2. MicroBlaze v3.x always uses them, except in Spartan 2 | |
21 | # 3. All other FPGa/CPU ver combos, we can trust the CONFIG_ settings | |
22 | ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) | |
23 | ifeq ($(CPU_MAJOR),3) | |
24 | CPUFLAGS-1 += -mno-xl-soft-mul | |
25 | else | |
26 | # USE_HW_MUL can be 0, 1, or 2, defining a heirarchy of HW Mul support. | |
27 | CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high | |
28 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul | |
29 | endif | |
30 | endif | |
31 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div | |
32 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift | |
04e3a553 | 33 | CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare |
5f8ffb5f MS |
34 | |
35 | CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) | |
36 | ||
37 | # The various CONFIG_XILINX cpu features options are integers 0/1/2... | |
38 | # rather than bools y/n | |
5f8ffb5f MS |
39 | |
40 | # r31 holds current when in kernel mode | |
993ce240 | 41 | CFLAGS_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2) |
5f8ffb5f | 42 | |
c3055d14 TC |
43 | LDFLAGS := |
44 | LDFLAGS_vmlinux := | |
5f8ffb5f MS |
45 | LDFLAGS_BLOB := --format binary --oformat elf32-microblaze |
46 | ||
993ce240 | 47 | LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name) |
5f8ffb5f MS |
48 | |
49 | head-y := arch/microblaze/kernel/head.o | |
50 | libs-y += arch/microblaze/lib/ $(LIBGCC) | |
51 | core-y += arch/microblaze/kernel/ arch/microblaze/mm/ \ | |
52 | arch/microblaze/platform/ | |
53 | ||
54 | boot := arch/$(ARCH)/boot | |
55 | ||
56 | # defines filename extension depending memory management type | |
57 | ifeq ($(CONFIG_MMU),) | |
58 | MMUEXT := -nommu | |
59 | endif | |
60 | export MMUEXT | |
61 | ||
62 | all: linux.bin | |
63 | ||
64 | archclean: | |
65 | $(Q)$(MAKE) $(clean)=$(boot) | |
66 | ||
67 | linux.bin linux.bin.gz: vmlinux | |
68 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
69 | ||
70 | define archhelp | |
71 | echo '* linux.bin - Create raw binary' | |
72 | echo ' linux.bin.gz - Create compressed raw binary' | |
73 | endef |