blob: ae2dd59050f742c54c49b3f80925bbfc4e67fbbd [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
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) 1994, 95, 96, 2003 by Ralf Baechle
7# DECStation modifications by Paul M. Antoine, 1996
8# Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
9#
10# This file is included by the global makefile so that you can add your own
11# architecture-specific flags and dependencies. Remember to do have actions
12# for "archclean" cleaning up for this architecture.
13#
14
Adrian Bunkde0c1692008-02-26 21:54:54 +020015KBUILD_DEFCONFIG := ip22_defconfig
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#
18# Select the object file format to substitute into the linker script.
19#
20ifdef CONFIG_CPU_LITTLE_ENDIAN
Ralf Baechle17f690b2007-10-22 19:10:57 +01002132bit-tool-archpref = mipsel
2264bit-tool-archpref = mips64el
Linus Torvalds1da177e2005-04-16 15:20:36 -07002332bit-bfd = elf32-tradlittlemips
2464bit-bfd = elf64-tradlittlemips
2532bit-emul = elf32ltsmip
2664bit-emul = elf64ltsmip
27else
Ralf Baechle17f690b2007-10-22 19:10:57 +01002832bit-tool-archpref = mips
2964bit-tool-archpref = mips64
Linus Torvalds1da177e2005-04-16 15:20:36 -07003032bit-bfd = elf32-tradbigmips
3164bit-bfd = elf64-tradbigmips
3232bit-emul = elf32btsmip
3364bit-emul = elf64btsmip
34endif
35
Ralf Baechle875d43e2005-09-03 15:56:16 -070036ifdef CONFIG_32BIT
Ralf Baechle17f690b2007-10-22 19:10:57 +010037tool-archpref = $(32bit-tool-archpref)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038UTS_MACHINE := mips
39endif
Ralf Baechle875d43e2005-09-03 15:56:16 -070040ifdef CONFIG_64BIT
Ralf Baechle17f690b2007-10-22 19:10:57 +010041tool-archpref = $(64bit-tool-archpref)
Linus Torvalds1da177e2005-04-16 15:20:36 -070042UTS_MACHINE := mips64
43endif
44
Ralf Baechle17f690b2007-10-22 19:10:57 +010045ifneq ($(SUBARCH),$(ARCH))
46 ifeq ($(CROSS_COMPILE),)
Maciej W. Rozycki32479892007-11-12 17:30:52 +000047 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
Ralf Baechle17f690b2007-10-22 19:10:57 +010048 endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070049endif
50
Wu Zhangjin7326c4e2009-11-20 20:34:38 +080051ifdef CONFIG_FUNCTION_GRAPH_TRACER
52 ifndef KBUILD_MCOUNT_RA_ADDRESS
53 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
54 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
55 endif
56 endif
57endif
Ralf Baechle1a4ba062009-04-28 19:28:33 +020058cflags-y += $(call cc-option, -mno-check-zero-division)
Ralf Baechle05e41402009-04-28 19:38:35 +020059
Ralf Baechle81450952006-02-22 23:06:55 +000060ifdef CONFIG_32BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070061ld-emul = $(32bit-emul)
62vmlinux-32 = vmlinux
63vmlinux-64 = vmlinux.64
Ralf Baechle59b3e8e2006-03-08 11:35:00 +000064
65cflags-y += -mabi=32
Ralf Baechle81450952006-02-22 23:06:55 +000066endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
Ralf Baechle81450952006-02-22 23:06:55 +000068ifdef CONFIG_64BIT
Ralf Baechle81450952006-02-22 23:06:55 +000069ld-emul = $(64bit-emul)
70vmlinux-32 = vmlinux.32
71vmlinux-64 = vmlinux
72
Ralf Baechle59b3e8e2006-03-08 11:35:00 +000073cflags-y += -mabi=64
Ralf Baechle59b3e8e2006-03-08 11:35:00 +000074endif
75
Ralf Baechle8496b402007-07-28 13:27:21 +010076all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
77all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
Wu Zhangjin1b93b3c2009-10-14 18:12:16 +080078all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
80#
81# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
82# code since it only slows down the whole thing. At some point we might make
83# use of global pointer optimizations but their use of $28 conflicts with
84# the current pointer optimization.
85#
86# The DECStation requires an ECOFF kernel for remote booting, other MIPS
87# machines may also. Since BFD is incredibly buggy with respect to
88# crossformat linking we rely on the elf2ecoff tool for format conversion.
89#
Linus Torvalds1da177e2005-04-16 15:20:36 -070090cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
Ralf Baechle6218cf42006-03-08 17:14:49 +000091cflags-y += -msoft-float
Thiemo Seufer9f83d832005-02-21 11:22:15 +000092LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
Sam Ravnborg65881692010-07-28 17:33:09 +020093KBUILD_AFLAGS_MODULE += -mlong-calls
94KBUILD_CFLAGS_MODULE += -mlong-calls
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
Manuel Lauss842dfc12014-11-07 14:13:54 +010096#
97# pass -msoft-float to GAS if it supports it. However on newer binutils
98# (specifically newer than 2.24.51.20140728) we then also need to explicitly
99# set ".set hardfloat" in all files which manipulate floating point registers.
100#
101ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
102 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
103endif
104
Ralf Baechle72fbfb262006-06-07 13:25:37 +0100105cflags-y += -ffreestanding
106
Thiemo Seuferf425a6d2005-07-07 09:19:31 +0000107#
108# We explicitly add the endianness specifier if needed, this allows
109# to compile kernels with a toolchain for the other endianness. We
110# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
111# when fed the toolchain default!
112#
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300113# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
Michael Opdenacker59c51592007-05-09 08:57:56 +0200114# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
Ralf Baechlef9405412006-10-10 15:44:10 +0100115# are used, so we kludge that here. A bug has been filed at
116# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
117#
118undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
119undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
120predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
121predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
122cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
123cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
Thiemo Seuferf425a6d2005-07-07 09:19:31 +0000124
Ralf Baechle9007c9a2006-03-18 16:59:31 +0000125cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
126 -fno-omit-frame-pointer
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128# CPU-dependent compiler/assembler options for optimization.
129#
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000130cflags-$(CONFIG_CPU_R3000) += -march=r3000
131cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
132cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
133cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
134cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
135cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
136cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
Ralf Baechle9200c0b2006-04-06 00:44:25 +0100137cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000138 -Wa,-mips32 -Wa,--trap
Ralf Baechle9200c0b2006-04-06 00:44:25 +0100139cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000140 -Wa,-mips32r2 -Wa,--trap
Leonid Yegoshin7fd08ca2014-10-27 10:34:11 +0000141cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap
Ralf Baechle9200c0b2006-04-06 00:44:25 +0100142cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000143 -Wa,-mips64 -Wa,--trap
Ralf Baechle9200c0b2006-04-06 00:44:25 +0100144cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000145 -Wa,-mips64r2 -Wa,--trap
Leonid Yegoshin7fd08ca2014-10-27 10:34:11 +0000146cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000147cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
Ralf Baechlec9e321e2006-04-01 20:43:58 +0100148cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149 -Wa,--trap
Shinya Kuribayashi542c1022008-10-24 01:27:57 +0900150cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
151 -Wa,--trap
Ralf Baechlec9e321e2006-04-01 20:43:58 +0100152cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 -Wa,--trap
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000154cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 -Wa,--trap
Maciej W. Rozyckib625cd42014-06-29 00:59:35 +0100156cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 -Wa,--trap
Maciej W. Rozyckib625cd42014-06-29 00:59:35 +0100158cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
159cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000160cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
161cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 -Wa,--trap
David Daney7e69deb2008-12-11 15:33:28 -0800163cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
164ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
165cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
166endif
David Daneyc9941152010-10-07 16:03:53 -0700167cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
Kevin Cernekee1c7c4452011-11-16 01:25:40 +0000168cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
Ralf Baechlea8140f32015-02-19 13:47:20 +0100169#
170# binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a
171# as MIPS64 R1; older versions as just R1. This leaves the possibility open
172# that GCC might generate R2 code for -march=loongson3a which then is rejected
173# by GAS. The cc-option can't probe for this behaviour so -march=loongson3a
174# can't easily be used safely within the kbuild framework.
175#
176cflags-$(CONFIG_CPU_LOONGSON3) += \
177 $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
178 -Wa,-mips64r2 -Wa,--trap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179
Maciej W. Rozycki20d60d92007-10-23 12:43:11 +0100180cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
181cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
182cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
183
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184ifdef CONFIG_CPU_SB1
185ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
Sam Ravnborg65881692010-07-28 17:33:09 +0200186KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds
187KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188endif
189endif
190
Markos Chandras32098ec2015-02-02 15:41:01 +0000191# For smartmips configurations, there are hundreds of warnings due to ISA overrides
192# in assembly and header files. smartmips is only supported for MIPS32r1 onwards
193# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
194# similar directives in the kernel will spam the build logs with the following warnings:
195# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
196# or
197# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
198# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
199# been fixed properly.
Markos Chandras5306a542015-04-02 14:42:52 +0100200mips-cflags := $(cflags-y)
201ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
202smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
203cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
204endif
205ifeq ($(CONFIG_CPU_MICROMIPS),y)
206micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
207cflags-$(micromips-ase) += -mmicromips
208endif
Markos Chandras32098ec2015-02-02 15:41:01 +0000209ifeq ($(CONFIG_CPU_HAS_MSA),y)
Markos Chandras5306a542015-04-02 14:42:52 +0100210toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
Markos Chandras32098ec2015-02-02 15:41:01 +0000211cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
212endif
213
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214#
215# Firmware support
216#
Ralf Baechle0e2794b2012-11-15 20:48:50 +0100217libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
218libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
219libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
Thomas Bogendoerfer231a35d2008-01-04 23:31:07 +0100220libs-y += arch/mips/fw/lib/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221
222#
Ralf Baechleebc89712010-02-26 13:57:12 +0100223# Kernel compression
224#
225ifdef SYS_SUPPORTS_ZBOOT
226COMPRESSION_FNAME = vmlinuz
227else
228COMPRESSION_FNAME = vmlinux
229endif
230
231#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232# Board-dependent options and extra files
233#
Masahiro Yamadaa436bb72015-03-27 20:43:36 +0900234include arch/mips/Kbuild.platforms
Florian Fainelli7ca5dc12009-06-24 11:12:57 +0200235
Ralf Baechleabe77f92012-10-25 16:23:31 +0200236ifdef CONFIG_PHYSICAL_START
Ralf Baechle70342282013-01-22 12:59:30 +0100237load-y = $(CONFIG_PHYSICAL_START)
Ralf Baechleabe77f92012-10-25 16:23:31 +0200238endif
James Hogan31855572013-08-30 16:42:41 +0100239entry-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
240 | grep "\bkernel_entry\b" | cut -f1 -d \ )
Ralf Baechleabe77f92012-10-25 16:23:31 +0200241
Ralf Baechle384740d2008-09-16 19:48:51 +0200242cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243drivers-$(CONFIG_PCI) += arch/mips/pci/
244
Franck Bui-Huuadff90a2007-02-15 12:06:48 +0100245#
246# Automatically detect the build format. By default we choose
247# the elf format according to the load address.
248# We can always force a build with a 64-bits symbol format by
Franck Bui-Huu054c51b2007-02-15 14:21:36 +0100249# passing 'KBUILD_SYM32=no' option to the make's command line.
Franck Bui-Huuadff90a2007-02-15 12:06:48 +0100250#
251ifdef CONFIG_64BIT
Franck Bui-Huu054c51b2007-02-15 14:21:36 +0100252 ifndef KBUILD_SYM32
Franck Bui-Huuadff90a2007-02-15 12:06:48 +0100253 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
Franck Bui-Huu054c51b2007-02-15 14:21:36 +0100254 KBUILD_SYM32 = y
Franck Bui-Huuadff90a2007-02-15 12:06:48 +0100255 endif
256 endif
257
Maciej W. Rozycki20d60d92007-10-23 12:43:11 +0100258 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
259 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
260 else
261 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
262 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
Franck Bui-Huue58d95a2007-09-27 16:26:40 +0200263 endif
Franck Bui-Huuadff90a2007-02-15 12:06:48 +0100264 endif
265endif
266
Sam Ravnborg222d3942007-10-15 21:59:31 +0200267KBUILD_AFLAGS += $(cflags-y)
Sam Ravnborg51b563f2009-09-20 12:28:22 +0200268KBUILD_CFLAGS += $(cflags-y)
Michal Marekf7fc2372012-05-10 14:22:10 +0200269KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
270KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271
James Hogan31855572013-08-30 16:42:41 +0100272bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
273 VMLINUX_ENTRY_ADDRESS=$(entry-y)
274
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275LDFLAGS += -m $(ld-emul)
276
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000277ifdef CONFIG_MIPS
Jean Delvareb1e0d8b2012-10-02 16:42:36 +0200278CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
Alexey Dobriyan48c35b22007-01-23 21:30:14 +0300279 egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
Aaro Koskinen73d8f992015-05-11 23:37:05 +0300280 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
Atsushi Nemoto2a2c3e42006-04-15 00:04:18 +0900281ifdef CONFIG_64BIT
282CHECKFLAGS += -m64
283endif
Ralf Baechle59b3e8e2006-03-08 11:35:00 +0000284endif
285
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286OBJCOPYFLAGS += --remove-section=.reginfo
287
Thomas Gleixner957b3692012-05-03 09:02:55 +0000288head-y := arch/mips/kernel/head.o
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289
290libs-y += arch/mips/lib/
Ralf Baechle593d33f2014-04-25 01:52:46 +0200291libs-y += arch/mips/math-emu/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292
Sam Ravnborg9aeb4042010-05-30 13:27:22 +0200293# See arch/mips/Kbuild for content of core part of the kernel
294core-y += arch/mips/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295
296drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
297
Wu Zhangjin363c55c2009-06-04 20:27:10 +0800298# suspend and hibernation support
299drivers-$(CONFIG_PM) += arch/mips/power/
300
James Hogan38d2d642013-08-30 16:42:40 +0100301# boot image targets (arch/mips/boot/)
302boot-y := vmlinux.bin
303boot-y += vmlinux.ecoff
304boot-y += vmlinux.srec
James Hogan4defe452013-08-30 16:42:42 +0100305ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
306boot-y += uImage
Markos Chandras9d6b80f2015-02-16 15:13:11 +0000307boot-y += uImage.bin
308boot-y += uImage.bz2
James Hogan4defe452013-08-30 16:42:42 +0100309boot-y += uImage.gz
Markos Chandras9d6b80f2015-02-16 15:13:11 +0000310boot-y += uImage.lzma
311boot-y += uImage.lzo
James Hogan4defe452013-08-30 16:42:42 +0100312endif
James Hogan38d2d642013-08-30 16:42:40 +0100313
314# compressed boot image targets (arch/mips/boot/compressed/)
315bootz-y := vmlinuz
316bootz-y += vmlinuz.bin
317bootz-y += vmlinuz.ecoff
318bootz-y += vmlinuz.srec
319
Brian Murphy1f21d2b2007-08-21 22:34:16 +0200320ifdef CONFIG_LASAT
321rom.bin rom.sw: vmlinux
James Hogan31855572013-08-30 16:42:41 +0100322 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
323 $(bootvars-y) $@
Brian Murphy1f21d2b2007-08-21 22:34:16 +0200324endif
325
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326#
327# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
328# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
329# convert to ECOFF using elf2ecoff.
330#
Wu Zhangjin007fbbe2010-11-10 00:26:34 +0800331quiet_cmd_32 = OBJCOPY $@
332 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333vmlinux.32: vmlinux
Wu Zhangjin007fbbe2010-11-10 00:26:34 +0800334 $(call cmd,32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
336#
337# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
338# ELF files from 32-bit files by conversion.
339#
Wu Zhangjin007fbbe2010-11-10 00:26:34 +0800340quiet_cmd_64 = OBJCOPY $@
341 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342vmlinux.64: vmlinux
Wu Zhangjin007fbbe2010-11-10 00:26:34 +0800343 $(call cmd,64)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344
Ralf Baechle8496b402007-07-28 13:27:21 +0100345all: $(all-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346
Sam Ravnborg35eaa1e2010-05-30 16:28:03 +0200347# boot
James Hogan38d2d642013-08-30 16:42:40 +0100348$(boot-y): $(vmlinux-32) FORCE
James Hogan31855572013-08-30 16:42:41 +0100349 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
350 $(bootvars-y) arch/mips/boot/$@
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351
Florian Fainelli26fca832013-09-11 11:34:48 +0100352ifdef CONFIG_SYS_SUPPORTS_ZBOOT
Sam Ravnborg35eaa1e2010-05-30 16:28:03 +0200353# boot/compressed
James Hogan38d2d642013-08-30 16:42:40 +0100354$(bootz-y): $(vmlinux-32) FORCE
Sam Ravnborg35eaa1e2010-05-30 16:28:03 +0200355 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
James Hogan31855572013-08-30 16:42:41 +0100356 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
Florian Fainelli26fca832013-09-11 11:34:48 +0100357else
358vmlinuz: FORCE
359 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
360 /bin/false
361endif
Sam Ravnborg35eaa1e2010-05-30 16:28:03 +0200362
363
Sam Ravnborgd7458662010-05-30 16:28:31 +0200364CLEAN_FILES += vmlinux.32 vmlinux.64
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
Andrew Bresticker7fafb062014-08-21 13:04:20 -0700366# device-trees
367core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
368
369%.dtb %.dtb.S %.dtb.o: | scripts
370 $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
371
Andrew Brestickerc8d333d2014-08-21 13:04:21 -0700372PHONY += dtbs
373dtbs: scripts
Andrew Bresticker8c0b9ee2014-12-25 09:48:57 -0800374 $(Q)$(MAKE) $(build)=arch/mips/boot/dts
Andrew Brestickerc8d333d2014-08-21 13:04:21 -0700375
Andrew Brestickereb2236e2014-12-25 09:48:58 -0800376PHONY += dtbs_install
377dtbs_install:
378 $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
Atsushi Nemotoe48ce6b2007-05-30 00:38:07 +0900379
380archprepare:
David Daney44656fa2011-11-08 10:20:10 -0800381ifdef CONFIG_MIPS32_N32
Atsushi Nemotoe48ce6b2007-05-30 00:38:07 +0900382 @echo ' Checking missing-syscalls for N32'
383 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
Ralf Baechle59968d32009-03-30 14:49:40 +0200384endif
385ifdef CONFIG_MIPS32_O32
Ralf Baechled9beeec2011-06-21 17:58:55 +0100386 @echo ' Checking missing-syscalls for O32'
Wu Zhangjin1b93b3c2009-10-14 18:12:16 +0800387 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
Ralf Baechled9beeec2011-06-21 17:58:55 +0100388endif
Ralf Baechle59968d32009-03-30 14:49:40 +0200389
390install:
391 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700392ifdef CONFIG_SYS_SUPPORTS_ZBOOT
Sam Ravnborgd7458662010-05-30 16:28:31 +0200393 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
394endif
395 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
Ralf Baechlee7865762007-07-28 13:38:49 +0100397
Ralf Baechle59968d32009-03-30 14:49:40 +0200398archclean:
Ralf Baechlee7865762007-07-28 13:38:49 +0100399 $(Q)$(MAKE) $(clean)=arch/mips/boot
400 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
401 $(Q)$(MAKE) $(clean)=arch/mips/lasat
Wu Zhangjin1b93b3c2009-10-14 18:12:16 +0800402
403define archhelp
404 echo ' install - install kernel into $(INSTALL_PATH)'
405 echo ' vmlinux.ecoff - ECOFF boot image'
James Hogan4defe452013-08-30 16:42:42 +0100406 echo ' vmlinux.bin - Raw binary boot image'
407 echo ' vmlinux.srec - SREC boot image'
Joshua Kinard78931652014-10-07 21:33:04 -0400408 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
Ralf Baechlee7865762007-07-28 13:38:49 +0100409 echo ' vmlinuz - Compressed boot(zboot) image'
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300410 echo ' vmlinuz.ecoff - ECOFF zboot image'
Ralf Baechlee7865762007-07-28 13:38:49 +0100411 echo ' vmlinuz.bin - Raw binary zboot image'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412 echo ' vmlinuz.srec - SREC zboot image'
413 echo ' uImage - U-Boot image'
Markos Chandras9d6b80f2015-02-16 15:13:11 +0000414 echo ' uImage.bin - U-Boot image (uncompressed)'
415 echo ' uImage.bz2 - U-Boot image (bz2)'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416 echo ' uImage.gz - U-Boot image (gzip)'
Markos Chandras9d6b80f2015-02-16 15:13:11 +0000417 echo ' uImage.lzma - U-Boot image (lzma)'
418 echo ' uImage.lzo - U-Boot image (lzo)'
Andrew Brestickerc8d333d2014-08-21 13:04:21 -0700419 echo ' dtbs - Device-tree blobs for enabled boards'
Andrew Brestickereb2236e2014-12-25 09:48:58 -0800420 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421 echo
422 echo ' These will be default as appropriate for a configured platform.'
423endef