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
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
13 # Copyright (C) 1994 by Linus Torvalds
15 # 19990713 Artur Skawina <skawina@geocities.com>
16 # Added '-march' and '-mpreferred-stack-boundary' support
19 LD=$(CROSS_COMPILE)ld -m elf_i386
20 OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S
22 LINKFLAGS =-T $(TOPDIR)/arch/i386/vmlinux.lds $(LDFLAGS)
26 # prevent gcc from keeping the stack 16 byte aligned
27 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
53 ifdef CONFIG_MPENTIUMIII
57 ifdef CONFIG_MPENTIUM4
62 CFLAGS += $(call check_gcc,-march=k6,-march=i586)
66 CFLAGS += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)
71 CFLAGS += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
74 ifdef CONFIG_MWINCHIPC6
78 ifdef CONFIG_MWINCHIP2
82 ifdef CONFIG_MWINCHIP3D
86 ifdef CONFIG_MCYRIXIII
87 CFLAGS += $(call check_gcc,-march=c3,-march=i486)
88 CFLAGS += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
92 CFLAGS += $(call check_gcc,-march=c3-2,-march=i686)
95 # Disable unit-at-a-time mode, it makes gcc use a lot more stack
96 # due to the lack of sharing of stacklots.
97 CFLAGS += $(call check_gcc,-fno-unit-at-a-time,)
99 HEAD := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
101 SUBDIRS += arch/i386/kernel arch/i386/mm arch/i386/lib
103 CORE_FILES := arch/i386/kernel/kernel.o arch/i386/mm/mm.o $(CORE_FILES)
104 LIBS := $(TOPDIR)/arch/i386/lib/lib.a $(LIBS) $(TOPDIR)/arch/i386/lib/lib.a
106 ifdef CONFIG_MATH_EMULATION
107 SUBDIRS += arch/i386/math-emu
108 DRIVERS += arch/i386/math-emu/math.o
111 arch/i386/kernel: dummy
112 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/kernel
115 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/mm
117 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
119 vmlinux: arch/i386/vmlinux.lds
123 .PHONY: zImage bzImage compressed zlilo bzlilo zdisk bzdisk install \
124 clean archclean archmrproper archdep
135 @$(MAKEBOOT) BOOTIMAGE=zImage zlilo
138 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
140 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
143 @$(MAKEBOOT) BOOTIMAGE=zImage zdisk
146 @$(MAKEBOOT) BOOTIMAGE=bzImage zdisk
149 @$(MAKEBOOT) BOOTIMAGE=bzImage install