1 #
2 # i386/Makefile
3 #
4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies. Remember to do have actions
6 # for "archclean" and "archdep" for cleaning up and making dependencies for
7 # this architecture
8 #
9 # This file is subject to the terms and conditions of the GNU General Public
10 # License. See the file "COPYING" in the main directory of this archive
11 # for more details.
12 #
13 # Copyright (C) 1994 by Linus Torvalds
14 #
15 # 19990713 Artur Skawina <skawina@geocities.com>
16 # Added '-march' and '-mpreferred-stack-boundary' support
17 #
18
19 LD=$(CROSS_COMPILE)ld -m elf_i386
20 OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S
21 LDFLAGS=-e stext
22 LINKFLAGS =-T $(TOPDIR)/arch/i386/vmlinux.lds $(LDFLAGS)
23
24 CFLAGS += -pipe
25
26 # prevent gcc from keeping the stack 16 byte aligned
27 CFLAGS += $(shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi)
28
29 ifdef CONFIG_M386
30 CFLAGS += -march=i386
31 endif
32
33 ifdef CONFIG_M486
34 CFLAGS += -march=i486
35 endif
36
37 ifdef CONFIG_M586
38 CFLAGS += -march=i586
39 endif
40
41 ifdef CONFIG_M586TSC
42 CFLAGS += -march=i586
43 endif
44
45 ifdef CONFIG_M586MMX
46 CFLAGS += -march=i586
47 endif
48
49 ifdef CONFIG_M686
50 CFLAGS += -march=i686
51 endif
52
53 ifdef CONFIG_M686FXSR
54 CFLAGS += -march=i686
55 endif
56
57 ifdef CONFIG_MPENTIUM4
58 CFLAGS += -march=i686
59 endif
60
61 ifdef CONFIG_MK6
62 CFLAGS += $(shell if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi)
63 endif
64
65 ifdef CONFIG_MK7
66 CFLAGS += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi)
67 endif
68
69 ifdef CONFIG_MCRUSOE
70 CFLAGS += -march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0
71 endif
72
73 ifdef CONFIG_MWINCHIPC6
74 CFLAGS += -march=i586
75 endif
76
77 ifdef CONFIG_MWINCHIP2
78 CFLAGS += -march=i586
79 endif
80
81 ifdef CONFIG_MWINCHIP3D
82 CFLAGS += -march=i586
83 endif
84
85 HEAD := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
86
87 SUBDIRS += arch/i386/kernel arch/i386/mm arch/i386/lib
88
89 CORE_FILES := arch/i386/kernel/kernel.o arch/i386/mm/mm.o $(CORE_FILES)
90 LIBS := $(TOPDIR)/arch/i386/lib/lib.a $(LIBS) $(TOPDIR)/arch/i386/lib/lib.a
91
92 ifdef CONFIG_MATH_EMULATION
93 SUBDIRS += arch/i386/math-emu
94 DRIVERS += arch/i386/math-emu/math.o
95 endif
96
97 arch/i386/kernel: dummy
98 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/kernel
99
100 arch/i386/mm: dummy
101 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/mm
102
103 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
104
105 vmlinux: arch/i386/vmlinux.lds
106
107 FORCE: ;
108
109 .PHONY: zImage bzImage compressed zlilo bzlilo zdisk bzdisk install \
110 clean archclean archmrproper archdep
111
112 zImage: vmlinux
113 @$(MAKEBOOT) zImage
114
115 bzImage: vmlinux
116 @$(MAKEBOOT) bzImage
117
118 compressed: zImage
119
120 zlilo: vmlinux
121 @$(MAKEBOOT) BOOTIMAGE=zImage zlilo
122
123 tmp:
124 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
125 bzlilo: vmlinux
126 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
127
128 zdisk: vmlinux
129 @$(MAKEBOOT) BOOTIMAGE=zImage zdisk
130
131 bzdisk: vmlinux
132 @$(MAKEBOOT) BOOTIMAGE=bzImage zdisk
133
134 install: vmlinux
135 @$(MAKEBOOT) BOOTIMAGE=bzImage install
136
137 archclean:
138 @$(MAKEBOOT) clean
139
140 archmrproper:
141
142 archdep:
143 @$(MAKEBOOT) dep
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