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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | # # alpha/Makefile # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # # Copyright (C) 1994 by Linus Torvalds # NM := $(NM) -B LDFLAGS_vmlinux := -static -N #-relax CHECKFLAGS += -D__alpha__ -m64 cflags-y := -pipe -mno-fp-regs -ffixed-8 # Determine if we can use the BWX instructions with GAS. old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi) ifeq ($(old_gas),y) $(error The assembler '$(AS)' does not support the BWX instruction) endif # Determine if GCC understands the -mcpu= option. have_mcpu := $(call cc-option-yn, -mcpu=ev5) have_mcpu_pca56 := $(call cc-option-yn, -mcpu=pca56) have_mcpu_ev6 := $(call cc-option-yn, -mcpu=ev6) have_mcpu_ev67 := $(call cc-option-yn, -mcpu=ev67) have_msmall_data := $(call cc-option-yn, -msmall-data) cflags-$(have_msmall_data) += -msmall-data # Turn on the proper cpu optimizations. ifeq ($(have_mcpu),y) mcpu_done := n # If GENERIC, make sure to turn off any instruction set extensions that # the host compiler might have on by default. Given that EV4 and EV5 # have the same instruction set, prefer EV5 because an EV5 schedule is # more likely to keep an EV4 processor busy than vice-versa. ifeq ($(CONFIG_ALPHA_GENERIC),y) mcpu := ev5 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy) mcpu := pca56 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy) mcpu := pca56 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny) mcpu := ev4 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny) mcpu := ev56 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny) mcpu := ev5 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy) mcpu := ev67 mcpu_done := y endif ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny) ifeq ($(have_mcpu_ev6),y) mcpu := ev6 else ifeq ($(have_mcpu_pca56),y) mcpu := pca56 else mcpu=ev56 endif endif mcpu_done := y endif cflags-$(mcpu_done) += -mcpu=$(mcpu) endif # For TSUNAMI, we must have the assembler not emulate our instructions. # The same is true for IRONGATE, POLARIS, PYXIS. # BWX is most important, but we don't really want any emulation ever. CFLAGS += $(cflags-y) -Wa,-mev6 head-y := arch/alpha/kernel/head.o core-y += arch/alpha/kernel/ arch/alpha/mm/ core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/ drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/ libs-y += arch/alpha/lib/ # export what is needed by arch/alpha/boot/Makefile LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y)) export LIBS_Y boot := arch/alpha/boot #Default target when executing make with no arguments all boot: $(boot)/vmlinux.gz $(boot)/vmlinux.gz: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ bootimage bootpfile bootpzfile: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ archclean: $(Q)$(MAKE) $(clean)=$(boot) define archhelp echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)' echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)' echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)' echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)' endef |