tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
11CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
12
13CPPFLAGS_vmlinux.lds += -Usparc
14
15CC := $(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
17NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
18NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
19UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
20
21export NEW_GCC
22
23ifneq ($(NEW_GAS),y)
24AS = sparc64-linux-as
25LD = sparc64-linux-ld
26NM = sparc64-linux-nm
27AR = sparc64-linux-ar
28RANLIB = sparc64-linux-ranlib
29else
30AS := $(AS) -64
31LDFLAGS := -m elf64_sparc
32endif
33
34ifneq ($(UNDECLARED_REGS),y)
35CC_UNDECL =
36else
37CC_UNDECL = -Wa,--undeclared-regs
38AS := $(AS) --undeclared-regs
39endif
40
41ifneq ($(NEW_GCC),y)
42 CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
43 -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
44else
45 CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
46 -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
47 $(CC_UNDECL)
48 AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
49endif
50
51ifeq ($(CONFIG_MCOUNT),y)
52 CFLAGS := $(CFLAGS) -pg
53endif
54
55head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
56
57core-y += arch/sparc64/kernel/ arch/sparc64/mm/
58core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
59core-y += arch/sparc64/math-emu/
60libs-y += arch/sparc64/prom/ arch/sparc64/lib/
61
62# FIXME: is drivers- right?
63drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
64
65boot := arch/sparc64/boot
66
67image tftpboot.img vmlinux.aout: vmlinux
68 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
69
70archclean:
71 $(Q)$(MAKE) $(clean)=$(boot)
72
73define archhelp
74 echo '* vmlinux - Standard sparc64 kernel'
75 echo ' vmlinux.aout - a.out kernel for sparc64'
76 echo ' tftpboot.img - Image prepared for tftp'
77endef
78