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1da177e4 LT |
1 | # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $ |
2 | # sparc64/Makefile | |
3 | # | |
4 | # Makefile for the architecture dependent flags and dependencies on the | |
5 | # 64-bit Sparc. | |
6 | # | |
7 | # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu) | |
8 | # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) | |
9 | # | |
10 | ||
11 | CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64 | |
12 | ||
13 | CPPFLAGS_vmlinux.lds += -Usparc | |
14 | ||
15 | CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi ) | |
16 | ||
17 | NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow) | |
18 | NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi) | |
19 | UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; ) | |
20 | INLINE_LIMIT := $(call cc-option-yn, -m64 -finline-limit=100000) | |
21 | ||
22 | export NEW_GCC | |
23 | ||
24 | ifneq ($(NEW_GAS),y) | |
25 | AS = sparc64-linux-as | |
26 | LD = sparc64-linux-ld | |
27 | NM = sparc64-linux-nm | |
28 | AR = sparc64-linux-ar | |
29 | RANLIB = sparc64-linux-ranlib | |
30 | else | |
31 | AS := $(AS) -64 | |
32 | LDFLAGS := -m elf64_sparc | |
33 | endif | |
34 | ||
35 | ifneq ($(UNDECLARED_REGS),y) | |
36 | CC_UNDECL = | |
37 | else | |
38 | CC_UNDECL = -Wa,--undeclared-regs | |
39 | AS := $(AS) --undeclared-regs | |
40 | endif | |
41 | ||
42 | ifneq ($(NEW_GCC),y) | |
43 | CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \ | |
44 | -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare | |
45 | else | |
46 | CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \ | |
47 | -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \ | |
48 | $(CC_UNDECL) | |
49 | AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL) | |
50 | endif | |
51 | ||
52 | ifeq ($(INLINE_LIMIT),y) | |
53 | CFLAGS := $(CFLAGS) -finline-limit=100000 | |
54 | endif | |
55 | ||
56 | ifeq ($(CONFIG_MCOUNT),y) | |
57 | CFLAGS := $(CFLAGS) -pg | |
58 | endif | |
59 | ||
60 | head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o | |
61 | ||
62 | core-y += arch/sparc64/kernel/ arch/sparc64/mm/ | |
63 | core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/ | |
64 | core-y += arch/sparc64/math-emu/ | |
65 | libs-y += arch/sparc64/prom/ arch/sparc64/lib/ | |
66 | ||
67 | # FIXME: is drivers- right? | |
68 | drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/ | |
69 | ||
70 | boot := arch/sparc64/boot | |
71 | ||
72 | image tftpboot.img vmlinux.aout: vmlinux | |
73 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
74 | ||
75 | archclean: | |
76 | $(Q)$(MAKE) $(clean)=$(boot) | |
77 | ||
78 | define archhelp | |
79 | echo '* vmlinux - Standard sparc64 kernel' | |
80 | echo ' vmlinux.aout - a.out kernel for sparc64' | |
81 | echo ' tftpboot.img - Image prepared for tftp' | |
82 | endef | |
83 |