Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 1 | # |
| 2 | # This file is subject to the terms and conditions of the GNU General Public |
| 3 | # License. See the file "COPYING" in the main directory of this archive |
| 4 | # for more details. |
| 5 | # |
| 6 | # Copyright (C) 2001 - 2005 Tensilica Inc. |
| 7 | # |
| 8 | # This file is included by the global makefile so that you can add your own |
| 9 | # architecture-specific flags and dependencies. Remember to do have actions |
| 10 | # for "archclean" and "archdep" for cleaning up and making dependencies for |
| 11 | # this architecture |
| 12 | |
| 13 | # Core configuration. |
Chris Zankel | 173d668 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 14 | # (Use VAR=<xtensa_config> to use another default compiler.) |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 15 | |
Chris Zankel | 173d668 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 16 | variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf |
Chris Zankel | 0025427 | 2008-10-21 09:11:43 -0700 | [diff] [blame] | 17 | variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b |
Johannes Weiner | 000af2c | 2009-03-04 16:21:32 +0100 | [diff] [blame] | 18 | variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 |
Chris Zankel | 173d668 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 19 | variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 20 | |
Chris Zankel | 173d668 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 21 | VARIANT = $(variant-y) |
| 22 | export VARIANT |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 23 | |
Geert Uytterhoeven | 70cefe7 | 2012-05-12 22:39:08 +0200 | [diff] [blame] | 24 | # Test for cross compiling |
| 25 | |
| 26 | ifneq ($(VARIANT),) |
| 27 | COMPILE_ARCH = $(shell uname -m) |
| 28 | |
| 29 | ifneq ($(COMPILE_ARCH), xtensa) |
| 30 | ifndef CROSS_COMPILE |
| 31 | CROSS_COMPILE = xtensa_$(VARIANT)- |
| 32 | endif |
| 33 | endif |
| 34 | endif |
| 35 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 36 | # Platform configuration |
| 37 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 38 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| 39 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
Johannes Weiner | f82e939 | 2009-03-04 16:21:33 +0100 | [diff] [blame] | 40 | platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 41 | |
| 42 | PLATFORM = $(platform-y) |
| 43 | export PLATFORM |
| 44 | |
Chris Zankel | b2444d3 | 2007-08-04 09:23:54 -0700 | [diff] [blame] | 45 | # temporarily until string.h is fixed |
Max Filippov | a753cd9 | 2012-09-17 05:44:51 +0400 | [diff] [blame] | 46 | KBUILD_CFLAGS += -ffreestanding -D__linux__ |
Chris Zankel | b2444d3 | 2007-08-04 09:23:54 -0700 | [diff] [blame] | 47 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 48 | KBUILD_CFLAGS += -pipe -mlongcalls |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 49 | |
Chris Zankel | cf1c0aa | 2010-05-02 01:00:22 -0700 | [diff] [blame] | 50 | KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
| 51 | |
Chris Zankel | 367b811 | 2008-11-06 06:40:46 -0800 | [diff] [blame] | 52 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
| 53 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) |
| 54 | |
| 55 | ifeq ($(KBUILD_SRC),) |
| 56 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) |
| 57 | else |
| 58 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) |
| 59 | endif |
| 60 | |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 61 | KBUILD_DEFCONFIG := iss_defconfig |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 62 | |
Chris Zankel | f193318 | 2009-04-02 16:58:53 -0700 | [diff] [blame] | 63 | # Only build variant and/or platform if it includes a Makefile |
| 64 | |
Geert Uytterhoeven | 0eff08b | 2012-06-20 12:52:59 -0700 | [diff] [blame] | 65 | buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) |
| 66 | buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) |
Chris Zankel | f193318 | 2009-04-02 16:58:53 -0700 | [diff] [blame] | 67 | |
| 68 | # Find libgcc.a |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 69 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 70 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 71 | |
| 72 | head-y := arch/xtensa/kernel/head.o |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 73 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
Chris Zankel | f193318 | 2009-04-02 16:58:53 -0700 | [diff] [blame] | 74 | core-y += $(buildvar) $(buildplf) |
| 75 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 76 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
| 77 | |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 78 | boot := arch/xtensa/boot |
| 79 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 80 | all: zImage |
| 81 | |
| 82 | bzImage : zImage |
| 83 | |
Max Filippov | 9ad79b5 | 2012-09-17 05:44:50 +0400 | [diff] [blame] | 84 | zImage: vmlinux |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 85 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| 86 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 87 | define archhelp |
| 88 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| 89 | endef |
| 90 | |