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 | 173d6681 | 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 | 173d6681 | 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 |
Chris Zankel | 173d6681 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 18 | variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 19 | |
Chris Zankel | 173d6681 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 20 | VARIANT = $(variant-y) |
| 21 | export VARIANT |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 22 | |
| 23 | # Platform configuration |
| 24 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 25 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| 26 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
| 27 | |
| 28 | PLATFORM = $(platform-y) |
| 29 | export PLATFORM |
| 30 | |
Chris Zankel | b2444d3 | 2007-08-04 09:23:54 -0700 | [diff] [blame] | 31 | # temporarily until string.h is fixed |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 32 | KBUILD_CFLAGS += -ffreestanding |
Chris Zankel | b2444d3 | 2007-08-04 09:23:54 -0700 | [diff] [blame] | 33 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 34 | KBUILD_CFLAGS += -pipe -mlongcalls |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 35 | |
Chris Zankel | 367b811 | 2008-11-06 06:40:46 -0800 | [diff] [blame] | 36 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
| 37 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) |
| 38 | |
| 39 | ifeq ($(KBUILD_SRC),) |
| 40 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) |
| 41 | else |
| 42 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) |
| 43 | endif |
| 44 | |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 45 | KBUILD_DEFCONFIG := iss_defconfig |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 46 | |
| 47 | # ramdisk/initrd support |
| 48 | # You need a compressed ramdisk image, named ramdisk.gz in |
| 49 | # arch/xtensa/boot/ramdisk |
| 50 | |
| 51 | core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ |
| 52 | |
| 53 | # Test for cross compiling |
| 54 | |
Chris Zankel | 173d6681 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 55 | ifneq ($(VARIANT),) |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 56 | COMPILE_ARCH = $(shell uname -m) |
| 57 | |
| 58 | ifneq ($(COMPILE_ARCH), xtensa) |
| 59 | ifndef CROSS_COMPILE |
Chris Zankel | 173d6681 | 2006-12-10 02:18:48 -0800 | [diff] [blame] | 60 | CROSS_COMPILE = xtensa_$(VARIANT)- |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 61 | endif |
| 62 | endif |
| 63 | endif |
| 64 | |
| 65 | # |
| 66 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 67 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 68 | |
| 69 | head-y := arch/xtensa/kernel/head.o |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 70 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
| 71 | ifneq ($(PLATFORM),) |
Chris Zankel | b26d0ab | 2007-09-13 13:44:07 -0700 | [diff] [blame] | 72 | core-y += arch/xtensa/platforms/$(PLATFORM)/ |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 73 | endif |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 74 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
| 75 | |
Chris Zankel | e7d163f | 2005-06-30 02:58:59 -0700 | [diff] [blame] | 76 | boot := arch/xtensa/boot |
| 77 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 78 | |
| 79 | all: zImage |
| 80 | |
| 81 | bzImage : zImage |
| 82 | |
| 83 | zImage zImage.initrd: vmlinux |
| 84 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| 85 | |
Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame] | 86 | define archhelp |
| 87 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| 88 | endef |
| 89 | |