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2021-10-24kbuild: use more subdir- for visiting subdirectories while cleaningMasahiro Yamada1-3/+1
Documentation/kbuild/makefiles.rst suggests to use "archclean" for cleaning arch/$(SRCARCH)/boot/, but it is not a hard requirement. Since commit d92cc4d51643 ("kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild"), we can use the "subdir- += boot" trick for all architectures. This can take advantage of the parallel option (-j) for "make clean". I also cleaned up the comments in arch/$(SRCARCH)/Makefile. The "archdep" target no longer exists. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
2021-07-10Merge tag 'kbuild-v5.14' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Increase the -falign-functions alignment for the debug option. - Remove ugly libelf checks from the top Makefile. - Make the silent build (-s) more silent. - Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified. - Various script cleanups * tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (27 commits) scripts: add generic syscallnr.sh scripts: check duplicated syscall number in syscall table sparc: syscalls: use pattern rules to generate syscall headers parisc: syscalls: use pattern rules to generate syscall headers nds32: add arch/nds32/boot/.gitignore kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set kbuild: modpost: Explicitly warn about unprototyped symbols kbuild: remove trailing slashes from $(KBUILD_EXTMOD) kconfig.h: explain IS_MODULE(), IS_ENABLED() kconfig: constify long_opts scripts/setlocalversion: simplify the short version part scripts/setlocalversion: factor out 12-chars hash construction scripts/setlocalversion: add more comments to -dirty flag detection scripts/setlocalversion: remove workaround for old make-kpkg scripts/setlocalversion: remove mercurial, svn and git-svn supports kbuild: clean up ${quiet} checks in shell scripts kbuild: sink stdout from cmd for silent build init: use $(call cmd,) for generating include/generated/compile.h kbuild: merge scripts/mkmakefile to top Makefile sh: move core-y in arch/sh/Makefile to arch/sh/Kbuild ...
2021-05-26kbuild: require all architectures to have arch/$(SRCARCH)/KbuildMasahiro Yamada1-1/+0
arch/$(SRCARCH)/Kbuild is useful for Makefile cleanups because you can use the obj-y syntax. Add an empty file if it is missing in arch/$(SRCARCH)/. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-05-10m68k: Drop -fno-strength-reduce from KBUILD_CFLAGSFinn Thain1-2/+1
This workaround became redundant either when the driver in question was removed (in Linux v2.6.23) or when the compiler flag became a no-op (in GCC v4.2). Linux has required GCC v4.6 or later since v4.19. Link: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=efa1cdf01850b28c2f6f7035ebd4420259494615 References: commit 565bae6a4a8f ("[SCSI] 53c7xx: kill driver") References: commit cafa0010cd51 ("Raise the minimum required gcc version to 4.6") Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Link: https://lore.kernel.org/r/baa95d7235921dff23bed6320518f3fa90396603.1612681353.git.fthain@telegraphics.com.au Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2021-05-06arch: use cross_compiling to check whether it is a cross build or notMasahiro Yamada1-1/+1
'cross_compiling' is defined by the top Makefile and available for arch Makefiles to check whether it is a cross build or not. A good thing is the variable name 'cross_compiling' is self-documenting. This is a simple replacement for m68k, mips, sh, for which $(ARCH) and $(SRCARCH) always match. No functional change is intended for xtensa, either. This is rather a fix for parisc because arch/parisc/Makefile defines UTS_MATCHINE depending on CONFIG_64BIT, therefore cc-cross-prefix is not working in Kconfig time. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Helge Deller <deller@gmx.de> # parisc Acked-by: Max Filippov <jcmvbkbc@gmail.com> # xtensa
2020-09-25kbuild: preprocess module linker scriptMasahiro Yamada1-1/+0
There was a request to preprocess the module linker script like we do for the vmlinux one. (https://lkml.org/lkml/2020/8/21/512) The difference between vmlinux.lds and module.lds is that the latter is needed for external module builds, thus must be cleaned up by 'make mrproper' instead of 'make clean'. Also, it must be created by 'make modules_prepare'. You cannot put it in arch/$(SRCARCH)/kernel/, which is cleaned up by 'make clean'. I moved arch/$(SRCARCH)/kernel/module.lds to arch/$(SRCARCH)/include/asm/module.lds.h, which is included from scripts/module.lds.S. scripts/module.lds is fine because 'make clean' keeps all the build artifacts under scripts/. You can add arch-specific sections in <asm/module.lds.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Jessica Yu <jeyu@kernel.org> Acked-by: Will Deacon <will@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Jessica Yu <jeyu@kernel.org>
2020-07-13m68k: Use CLEAN_FILES to clean up filesMasahiro Yamada1-2/+1
The log of 'make ARCH=m68k clean' does not look nice. $ make ARCH=m68k clean CLEAN arch/m68k/kernel [ snip ] CLEAN usr rm -f vmlinux.gz vmlinux.bz2 CLEAN vmlinux.symvers modules.builtin modules.builtin.modinfo Use CLEAN_FILES to simplify the code, and beautify the log. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20200617031153.85858-1-masahiroy@kernel.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2020-07-13m68k: Pass -D options to KBUILD_CPPFLAGS instead of KBUILD_{A,C}FLAGSMasahiro Yamada1-3/+2
Precisely, -D is a preprocessor option. KBUILD_CPPFLAGS is passed for compiling .c and .S files too. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Link: https://lore.kernel.org/r/20200526123810.301667-4-masahiroy@kernel.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2020-07-13m68k: Optimize cc-option calls for cpuflags-yMasahiro Yamada1-21/+24
arch/m68k/Makefile computes lots of unneeded cc-option calls. For example, if CONFIG_M5441x is not defined, there is not point in evaluating the following compiler flag. cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e) The result is set to cpuflags-, then thrown away. The right hand side of ':=' is immediately expanded. Hence, all of the 16 calls for cc-option are evaluated. This is expensive since cc-option invokes the compiler. This occurs even if you are not attempting to build anything, like 'make ARCH=m68k help'. Use '=' to expand the value _lazily_. The evaluation for cc-option is delayed until $(cpuflags-y) is expanded. So, the cc-option test happens just once at most. This commit mimics tune-y of arch/arm/Makefile. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Link: https://lore.kernel.org/r/20200526123810.301667-3-masahiroy@kernel.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2020-07-13m68k: Add arch/m68k/KbuildMasahiro Yamada1-19/+1
Use the standard obj-y form to specify the sub-directories under arch/m68k/. No functional change intended. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org> Link: https://lore.kernel.org/r/20200526123810.301667-1-masahiroy@kernel.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2020-06-11kbuild: fix broken builds because of GZIP,BZIP2,LZOP variablesDenis Efremov1-4/+4
Redefine GZIP, BZIP2, LZOP variables as KGZIP, KBZIP2, KLZOP resp. GZIP, BZIP2, LZOP env variables are reserved by the tools. The original attempt to redefine them internally doesn't work in makefiles/scripts intercall scenarios, e.g., "make GZIP=gzip bindeb-pkg" and results in broken builds. There can be other broken build commands because of this, so the universal solution is to use non-reserved env variables for the compression tools. Fixes: 8dfb61dcbace ("kbuild: add variables for compression tools") Signed-off-by: Denis Efremov <efremov@linux.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-06kbuild: add variables for compression toolsDenis Efremov1-4/+4
Allow user to use alternative implementations of compression tools, such as pigz, pbzip2, pxz. For example, multi-threaded tools to speed up the build: $ make GZIP=pigz BZIP2=pbzip2 Variables _GZIP, _BZIP2, _LZOP are used internally because original env vars are reserved by the tools. The use of GZIP in gzip tool is obsolete since 2015. However, alternative implementations (e.g., pigz) still rely on it. BZIP2, BZIP, LZOP vars are not obsolescent. The credit goes to @grsecurity. As a sidenote, for multi-threaded lzma, xz compression one can use: $ export XZ_OPT="--threads=0" Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2019-08-21kbuild: rebuild modules when module linker scripts are updatedMasahiro Yamada1-1/+1
Currently, the timestamp of module linker scripts are not checked. Add them to the dependency of modules so they are correctly rebuilt. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-21m68k: Add -ffreestanding to CFLAGSFinn Thain1-1/+4
This patch fixes a build failure when using GCC 8.1: /usr/bin/ld: block/partitions/ldm.o: in function `ldm_parse_tocblock': block/partitions/ldm.c:153: undefined reference to `strcmp' This is caused by a new optimization which effectively replaces a strncmp() call with a strcmp() call. This affects a number of strncmp() call sites in the kernel. The entire class of optimizations is avoided with -fno-builtin, which gets enabled by -ffreestanding. This may avoid possible future build failures in case new optimizations appear in future compilers. I haven't done any performance measurements with this patch but I did count the function calls in a defconfig build. For example, there are now 23 more sprintf() calls and 39 fewer strcpy() calls. The effect on the other libc functions is smaller. If this harms performance we can tackle that regression by optimizing the call sites, ideally using semantic patches. That way, clang and ICC builds might benfit too. Cc: stable@vger.kernel.org Reference: https://marc.info/?l=linux-m68k&m=154514816222244&w=2 Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2018-12-04m68k: Generate uapi header and syscall table header filesFiroz Khan1-0/+3
System call table generation script must be run to gener- ate unistd_32.h and syscall_table.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32.h and syscall_table.h files by the syscall table generation script invoked by m68k/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscalltable.S file. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2018-08-24kbuild: rename LDFLAGS to KBUILD_LDFLAGSMasahiro Yamada1-1/+1
Commit a0f97e06a43c ("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit 222d394d30e7 ("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit 06c5040cdb13 ("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
2016-03-07m68knommu: remove obsolete 68360 supportGreg Ungerer1-3/+0
Remove the obsolete Motorola/Freescale 68360 SoC support. It has been bit rotting for many years with little active use in mainlne. There has been no serial driver support for many years, so it is largely not useful in its current state. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2014-09-29m68k: move non-mmu 68360 platform codeGreg Ungerer1-2/+2
The non-mmu 68360 specific code is inconsistently placed under a directory named "platform". Move it to arch/m68k/ along with the other platform and board directories. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2014-09-29m68k: move non-mmu 68000 platform codeGreg Ungerer1-2/+2
The non-mmu 68000 specific code is inconsistently placed under a directory named "platform". Move it to arch/m68k/ along with the other platform and machine directories. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2014-09-29m68k: move coldfire platform codeGreg Ungerer1-2/+2
Move the m68k ColdFire platform support code directory to be with the existing m68k platforms. Although the ColdFire is not a platform as such, we have always kept all its support together. No reason to change that as this time. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2013-04-29m68knommu: add support for the ColdFire 537x family of CPUsGreg Ungerer1-0/+1
The ColdFire 537x family is very similar internally to the ColdFire 532x family. So with just a little extra configuration we can configure and target them as well. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-12-05m68knommu: platform code merge for 68000 core cpusLuis Alves1-4/+2
This patch merges all 68000 core cpus into one directory. There is a lot of common code in the 68328, 68EZ328 and 68VZ328 directories. This will also facilitate easy development of support for original stand alone MC68000 CPU machines. Signed-off-by: Luis Alves <ljalvs@gmail.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-07-16m68knommu: Add support for the Coldfire m5441x.Steven King1-0/+1
Add support for the Coldfire 5441x (54410/54415/54416/54417/54418). Currently we only support noMMU mode. It requires the PIT patch posted previously as it uses the PIT instead of the dma timer as a clock source so we can get all that GENERIC_CLOCKEVENTS goodness. It also adds some simple clk definitions and very simple minded power management. The gpio code is tweeked and some additional devices are added to devices.c. The Makefile uses -mv4e as apparently, the only difference a v4m (m5441x) and a v4e is the later has a FPU, which I don't think should matter to us in the kernel. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-07-16m68knommu: Add support for the Coldfire 5251/5253Steven King1-0/+1
Basic support for the Coldfire 5251/5253. Signed-off-by: Steven king <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-21Merge branch 'for-next' of ↵Linus Torvalds1-12/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu tree from Greg Ungerer: "More merge and clean up of MMU and non-MMU common files, namely signal.c and dma.c. There is also a simplification of the ColdFire GPIO setup tables. Using a couple of simple macros we make the init tables really small and easy to read, and save a couple of thousand lines of code. Also a move of all the ColdFire subarch support files into the existing coldfire directory. The sub-directories just ended up duplicating Makefiles and now only contain really simple pieces of code. This saves quite a few lines of code too. As always a couple of bugs fixes thrown in too. Oh and a new defconfig for the ColdFire platforms that support having the MMU enabled." * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (39 commits) m68k: add a defconfig for the M5475EVB ColdFire with MMU board m68knommu: unaligned.h fix for M68000 core m68k: merge the MMU and non-MMU versions of the arch dma code m68knommu: reorganize the no-MMU cache flushing to match m68k m68knommu: move the 54xx platform code into the common ColdFire code directory m68knommu: move the 532x platform code into the common ColdFire code directory m68knommu: move the 5407 platform code into the common ColdFire code directory m68knommu: move the 5307 platform code into the common ColdFire code directory m68knommu: move the 528x platform code into the common ColdFire code directory m68knommu: move the 527x platform code into the common ColdFire code directory m68knommu: move the 5272 platform code into the common ColdFire code directory m68knommu: move the 5249 platform code into the common ColdFire code directory m68knommu: move the 523x platform code into the common ColdFire code directory m68knommu: move the 520x platform code into the common ColdFire code directory m68knommu: move the 5206 platform code into the common ColdFire code directory m68knommu: simplify the ColdFire 5407 GPIO struct setup m68knommu: simplify the ColdFire 532x GPIO struct setup m68knommu: simplify the ColdFire 5307 GPIO struct setup m68knommu: simplify the ColdFire 528x GPIO struct setup m68knommu: simplify the ColdFire 527x GPIO struct setup ...
2012-05-20m68knommu: move the 54xx platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 532x platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 5407 platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 5307 platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 528x platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 527x platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 5272 platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 5249 platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 523x platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 520x platform code into the common ColdFire code directoryGreg Ungerer1-1/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-20m68knommu: move the 5206 platform code into the common ColdFire code directoryGreg Ungerer1-2/+0
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-05-16m68k: Setup CROSS_COMPILE at the topGeert Uytterhoeven1-6/+7
CROSS_COMPILE must be setup before using e.g. cc-option (and a few other as-*, cc-*, ld-* macros), else they will check against the wrong compiler when cross-compiling, and may invoke the cross compiler with wrong or suboptimal compiler options. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer<gerg@uclinux.org>
2011-10-18m68k: merge mmu and non-mmu arch MakefilesGreg Ungerer1-2/+166
Most of the build logic is the same for the mmu and non-mmu m68k targets. Merge the top level architecture Makefiles back into a single Makefile. For the most part this is just adding the non-mmu processor types and their specific cflags and other options into the mmu Makefile. Note that all the BOARD setting logic that was in the non-mmu Makefile is completely removed. It was no longer being used at all. This has been build and run tested on ColdFire targets and ARAnyM. It has been build tested on all the m68k defconfig targets using a gcc-4.5.1 based toolchain. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Sam Ravnborg <sam@ravnborg.org>
2011-03-25m68k: merge m68k and m68knommu arch directoriesGreg Ungerer1-119/+3
There is a lot of common code that could be shared between the m68k and m68knommu arch branches. It makes sense to merge the two branches into a single directory structure so that we can more easily share that common code. This is a brute force merge, based on a script from Stephen King <sfking@fdwdc.com>, which was originally written by Arnd Bergmann <arnd@arndb.de>. > The script was inspired by the script Sam Ravnborg used to merge the > includes from m68knommu. For those files common to both arches but > differing in content, the m68k version of the file is renamed to > <file>_mm.<ext> and the m68knommu version of the file is moved into the > corresponding m68k directory and renamed <file>_no.<ext> and a small > wrapper file <file>.<ext> is used to select between the two version. Files > that are common to both but don't differ are removed from the m68knommu > tree and files and directories that are unique to the m68knommu tree are > moved to the m68k tree. Finally, the arch/m68knommu tree is removed. > > To select between the the versions of the files, the wrapper uses > > #ifdef CONFIG_MMU > #include <file>_mm.<ext> > #else > #include <file>_no.<ext> > #endif On top of this file merge I have done a simplistic merge of m68k and m68knommu Kconfig, which primarily attempts to keep existing options and menus in place. Other than a handful of options being moved it produces identical .config outputs on m68k and m68knommu targets I tested it on. With this in place there is now quite a bit of scope for merge cleanups in future patches. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2011-03-16m68k/atari: Initial ARAnyM supportPetr Stehlik1-0/+1
Add improved support for running under the ARAnyM emulator (Atari Running on Any Machine - http://aranym.org/). [michael, geert: Cleanups and updates] Signed-off-by: Petr Stehlik <pstehlik@sophics.cz> Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-08-03kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command lineSam Ravnborg1-1/+1
It is now possible to assign options to AS, CC and LD on the command line - which is only used when building modules. {A,C,LD}FLAGS_MODULE was all used both in the top-level Makefile in the arch makefiles, thus users had no way to specify additional options to AS, CC, LD when building modules without overriding the original value. Introduce a new set of variables KBUILD_{A,C,LD}FLAGS_MODULE that is used by arch specific files and free up {A,C,LD}FLAGS_MODULE so they can be assigned on the command line. All arch Makefiles that used the old variables has been updated. Note: Previously we had a MODFLAGS variable for both AS and CC. But in favour of consistency this was dropped. So in some cases arch Makefile has one assignmnet replaced by two assignmnets. Note2: MODFLAGS was not documented and is dropped without any notice. I do not expect much/any breakage from this. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Denys Vlasenko <vda.linux@googlemail.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin] Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> [avr32] Signed-off-by: Michal Marek <mmarek@suse.cz>
2009-03-26m68k: Add install targetLaurent Vivier1-0/+3
This patch enables the use of "make install" on m68k architecture to copy kernel to /boot. Signed-off-by: Laurent Vivier <Laurent@lvivier.info> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-07-20m68k: make multi_defconfig the default defconfigAdrian Bunk1-1/+1
It seems to match the intention behind multi_defconfig to make it the default defconfig. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-04m68k: use KBUILD_DEFCONFIGAdrian Bunk1-0/+2
The default defconfig should be one from arch/m68k/configs/ arch/m68k/defconfig was not exactly identical to amiga_defconfig but also considering how long they have been without any update that doesn't seem to have been on purpose. Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05m68k: Use cc-cross-prefixGeert Uytterhoeven1-6/+5
The cc-cross-prefix is new and developed on request from Geert Uytterhoeven. With cc-cross-prefix it is now much easier to have a few default cross compile prefixes and defaulting to none - if none of them were present. ARCH maintainers are expected to pick up this feature soon. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Andreas Schwab <schwab@suse.de> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-14kbuild: enable 'make CFLAGS=...' to add additional options to CCSam Ravnborg1-4/+4
The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-05-31m68k: runtime patching infrastructureRoman Zippel1-0/+1
Add the basic infrastructure to allow runtime patching of kernel and modules to optimize a few functions with parameters, which are only calculated once during bootup and are otherwise constant. Use this for the conversion between virtual and physical addresses. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: CROSS_COMPILE = m68k-linux-gnu-Geert Uytterhoeven1-1/+1
Recent cross-compilers are called m68k-linux-gnu-gcc instead of m68k-linux-gcc Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2005-09-09kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h supportSam Ravnborg1-9/+0
Delete obsoleted parts form arch makefiles and rename to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds1-0/+126
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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