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* kbuild: rename LDFLAGS to KBUILD_LDFLAGSMasahiro Yamada2018-08-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* sh: select KBUILD_DEFCONFIG depending on ARCHMasahiro Yamada2017-11-131-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | You can not select KBUILD_DEFCONFIG depending on any CONFIG option because include/config/auto.conf is not included when building config targets. So, CONFIG_SUPERH32 is never set during the configuration, then cayman_defconfig is always chosen. This commit provides a sensible way to choose shx3/cayman_defconfig. arch/sh/Kconfig sets either SUPERH32 or SUPERH64 depending on ARCH environment, like follows: config SUPERH32 def_bool ARCH = "sh" ... config SUPERH64 def_bool ARCH = "sh64" It should make sense to choose the default defconfig by ARCH, like arch/sparc/Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* sh: Use full path in KBUILD_IMAGE definitionMichal Marek2017-03-201-4/+3
| | | | | | | | | | | | | The KBUILD_IMAGE variable is used by the rpm and deb-pkg targets, which expect it to point to the image file in the build directory. The builddeb script has a workaround for architectures which only provide the basename, but let's provide a clean interface for packaging tools. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: linux-sh@vger.kernel.org Signed-off-by: Michal Marek <mmarek@suse.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* sh: support CPU_J2 when compiler lacks -mj2Rich Felker2016-10-131-1/+1
| | | | Signed-off-by: Rich Felker <dalias@libc.org>
* sh: add support for J-Core J2 processorRich Felker2016-08-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | At the CPU/ISA level, the J2 is compatible with SH-2, and thus the changes to add J2 support build on existing SH-2 support. However, J2 does not duplicate the memory-mapped SH-2 features like the cache interface. Instead, the cache interfaces is described in the device tree, and new code is added to be able to access the flat device tree at early boot before it is unflattened. Support is also added for receiving interrupts on trap numbers in the range 16 to 31, since the J-Core aic1 interrupt controller generates these traps. This range was unused but nominally for hardware exceptions on SH-2, and a few values in this range were used for exceptions on SH-2A, but SH-2A has its own version of the relevant code. No individual cpu subtypes are added for J2 since the intent moving forward is to represent SoCs with device tree rather than as hard-coded subtypes in the kernel. The CPU_SUBTYPE_J2 Kconfig item exists only to fit into the existing cpu selection mechanism until it is overhauled. Signed-off-by: Rich Felker <dalias@libc.org>
* sh: add support for linking a builtin device tree blob in the kernelRich Felker2016-07-311-0/+2
| | | | Signed-off-by: Rich Felker <dalias@libc.org>
* sh: also try passing -m4-nofpu for SH2A buildsGeert Uytterhoeven2014-07-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | When compiling a SH2A kernel (e.g. se7206_defconfig or rsk7203_defconfig) using sh4-linux-gcc, linking fails with: net/built-in.o: In function `__sk_run_filter': net/core/filter.c:566: undefined reference to `__fpscr_values' net/core/filter.c:269: undefined reference to `__fpscr_values' ... net/built-in.o:net/core/filter.c:580: more undefined references to `__fpscr_values' follow This happens because sh4-linux-gcc doesn't support the "-m2a-nofpu", which is thus filtered out by "$(call cc-option, ...)". As compiling using sh4-linux-gcc is useful for compile coverage, also try passing "-m4-nofpu" (which is presumably filtered out when using a real sh2a-linux toolchain) to disable the generation of FPU instructions and references to __fpscr_values[]. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Tony Breeds <tony@bakeyournoodle.com> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Daniel Borkmann <dborkman@redhat.com> Cc: Magnus Damm <magnus.damm@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* stackprotector: Unify the HAVE_CC_STACKPROTECTOR logic between architecturesKees Cook2013-12-201-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | Instead of duplicating the CC_STACKPROTECTOR Kconfig and Makefile logic in each architecture, switch to using HAVE_CC_STACKPROTECTOR and keep everything in one place. This retains the x86-specific bug verification scripts. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mips@linux-mips.org Cc: linux-arch@vger.kernel.org Link: http://lkml.kernel.org/r/1387481759-14535-2-git-send-email-keescook@chromium.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* sh: Setup CROSS_COMPILE at the topGeert Uytterhoeven2012-06-131-6/+6
| | | | | | | | | | | | 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> Cc: Paul Mundt <lethal@linux-sh.org> Cc: linux-sh@vger.kernel.org Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix up link time defsym warnings.Paul Mundt2012-06-131-2/+2
| | | | | | | | | sh-linux-gnu-ld:--defsym 'jiffies=jiffies_64': ignoring invalid character `'' in expression For some reason ld has recently started complaining about the quotes, so just get rid of them, we don't need them for anything anyways. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-shLinus Torvalds2012-05-231-0/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull SuperH updates from Paul Mundt: - New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A) - New boards: RSK2+SH7264, RSK2+SH7269 - Unbreaking kgdb for SMP - Consolidation of _32/_64 page fault handling. - watchdog and legacy DMA chainsawing, part 1 - Conversion to evt2irq() hwirq lookup, to support relocation of vectored IRQs for irqdomains. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (98 commits) sh: intc: Kill off special reservation interface. sh: Enable PIO API for hp6xx and se770x. sh: Kill off machvec IRQ hinting. sh: dma: More legacy cpu dma chainsawing. sh: Kill off MAX_DMA_ADDRESS leftovers. sh: Tidy up some of the cpu legacy dma header mess. sh: Move sh4a dma header from cpu-sh4 to cpu-sh4a. sh64: Fix up vmalloc fault range check. Revert "sh: Ensure fixmap and store queue space can co-exist." serial: sh-sci: Fix for port types without BRI interrupts. sh: legacy PCI evt2irq migration. sh: cpu dma evt2irq migration. sh: sh7763rdp evt2irq migration. sh: sdk7780 evt2irq migration. sh: migor evt2irq migration. sh: landisk evt2irq migration. sh: kfr2r09 evt2irq migration. sh: ecovec24 evt2irq migration. sh: ap325rxa evt2irq migration. sh: urquell evt2irq migration. ...
| * sh: initial stack protector support.Filippo Arcidiacono2012-04-191-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | This implements basic -fstack-protector support, based on the early ARM version in c743f38013aeff58ef6252601e397b5ba281c633. The SMP case is limited to the initial canary value, while the UP case handles per-task granularity (limited to 32-bit sh until a new enough sh64 compiler manifests itself). Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Reviewed-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | sh: Use generic init_taskThomas Gleixner2012-05-051-1/+1
|/ | | | | | | | | | | Same code. Use the generic version. The special Makefile treatment is pointless anyway as init_task.o contains only data which is handled by the linker script. So no point on being treated like head text. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Link: http://lkml.kernel.org/r/20120503085035.398257169@linutronix.de
* sh: Add default uImage rule for sh7757lcrNobuhiro Iwamatsu2011-11-011-0/+1
| | | | | Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* serial: sh-sci: Abstract register maps.Paul Mundt2011-06-141-0/+1
| | | | | | | | | | | | | | | This takes a bit of a sledgehammer to the horribly CPU subtype ifdef-ridden header and abstracts all of the different register layouts in to distinct types which in turn can be overriden on a per-port basis, or permitted to default to the map matching the port type at probe time. In the process this ultimately fixes up inumerable bugs with mismatches on various CPU types (particularly the legacy ones that were obviously broken years ago and no one noticed) and provides a more tightly coupled and consolidated platform for extending and implementing generic features. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: support XZ-compressed kernel.Paul Mundt2011-01-141-1/+2
| | | | | | Follow the x86 change and wire up support for the XZ decompressor. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-edosk7705: Kill off machtype, consolidate board def.Paul Mundt2010-10-291-1/+0
| | | | | | Trivial shuffling and tidying. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-systemh: Kill off dead board.Paul Mundt2010-10-291-1/+0
| | | | | | | | | This code has been untouched since it was merged many years ago, and has severely bitrotted since, suggesting that the board has no real users left. Notice of intent to remove has been sent out over the last few years, with no takers. Kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-snapgear: Kill off machtype, consolidate board def.Paul Mundt2010-10-291-1/+0
| | | | | | | Only the secureedge5410 was ever supported by this code, so make the board specification explicit rather than perpetuating a mach group. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-sdk7786: update defconfig for compressed kernel image.Paul Mundt2010-04-261-1/+0
| | | | | | | Now that compressed image loading is possible for sdk7786, drop the vmlinux.bin default image target and update the defconfig accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-titan: Kill off unused PIO port mangling.Paul Mundt2010-01-281-1/+0
| | | | | | | | Nothing is using this, kill it off. Fixing up access sizes can be done with trapped I/O for anyone wanting to make use of this for devices that need it, everything else is already pure MMIO. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Preliminary SDK7786 board support.Paul Mundt2010-01-141-0/+2
| | | | | | | | | | | This stubs in some preliminary board support for the RTE SDK7786. This is quite stunted at the moment, and primarily builds on top of the system FPGA. FPGA IRQs are handled via CPU IRL masking for simplicity, with initial peripheral support restricted to the debug ethernet. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add a vmlinux.bin target.Paul Mundt2010-01-131-1/+3
| | | | | | | This makes vmlinux.bin generation an explicit make target, as opposed to just a dependency for some of the other targets. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for LZO-compressed kernels.Paul Mundt2010-01-131-2/+3
| | | | | | Plugs in LZO along with the others. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: move machtypes.h to include/generatedSam Ravnborg2009-12-121-7/+3
| | | | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* sh: Add default uImage rule for se7724, ap325rxa, and migor.Paul Mundt2009-12-041-0/+3
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move ap325rxa board code into separate directoryMagnus Damm2009-10-301-0/+1
| | | | | | | | | Move the AP325RXA board code from a single board file to a separate directory. This to make it easy to add support for sdram sleep mode code. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Document uImage.bin target in archhelp.Paul Mundt2009-10-261-0/+1
| | | | | | | This was missing from the previous patch. Reported-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: add uImage.bin targetMagnus Damm2009-10-261-1/+1
| | | | | | | | | Add an uImage.bin target to allow uncompressed uImages. Useful for boards with busted u-boot decompression like the rsk7203 on my desk. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add EcoVec (SH7724) board supportKuninori Morimoto2009-08-201-0/+1
| | | | | | | This adds preliminary support for the EcoVec board. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: dwarf unwinder support.Matt Fleming2009-08-131-0/+4
| | | | | | | | | | This is a first cut at a generic DWARF unwinder for the kernel. It's still lacking DWARF64 support and the DWARF expression support hasn't been tested very well but it is generating proper stacktraces on SH for WARN_ON() and NULL dereferences. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add romImage target to archhelp.Paul Mundt2009-07-291-0/+1
| | | | | | | Adds an archhelp blurb for the romImage target so it is reflected in 'make help'. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: romImage support V2Magnus Damm2009-07-291-1/+1
| | | | | | | | | | | | | This patch contains support for the romImage build target V2. The resulting romImage file should be burned to rom or flash and could be used as small boot loader. Board code should keep their setup code in the file romimage.h located in their mach include directory. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'sh/kfr2r09'Paul Mundt2009-07-231-0/+1
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| * sh: kfr2r09 board support - SCIF consoleMagnus Damm2009-07-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds basic kfr2r09 board support. Only the SCIF1 console is supported with this patch, but this patch and a proper sh7724 configuration is all that is needed. Combine with an initramfs to have a small RAM based kernel and distribution booted as zImage from RAM via JTAG. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| |
| \
*-. | Merge branches 'sh/compressors' and 'sh/stable-updates'Paul Mundt2009-07-211-5/+10
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| * | sh: bzip2/lzma uImage support.Paul Mundt2009-07-211-5/+10
| |/ | | | | | | | | | | | | This builds on the bzip2/lzma zImage support change and wires it up for uImages. Based on the blackfin implementation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* / sh: Decouple mcount from ftrace.Paul Mundt2009-07-111-0/+4
|/ | | | | | | | | This adds a general CONFIG_MCOUNT in order to permit mcount generation without ftrace support. This is primarily for allowing platforms to enable aggressive stack overflow checking without having to enable ftrace support. Based on the sparc64 implementation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: plug vsyscall dir in to archclean.Paul Mundt2009-06-101-0/+1
| | | | | | | | The vsyscall targets are presently not cleaned up, so just handle it in the archclean rule. Reported-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add a KBUILD_DEFCONFIG for sh64.Paul Mundt2009-05-261-9/+10
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Hook up cc-cross-prefix support.Paul Mundt2009-05-091-0/+6
| | | | | | | This implements a simple case that just iterates through the common cases, looking at UTS_MACHINE for hints. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Provide a BITS definition, use it in the arch/sh/boot/ Makefiles.Paul Mundt2009-05-091-4/+4
| | | | | | | | This introduces a BITS export that can handily be picked up by Makefiles for cleaner sharing. Reflect its use in arch/sh/boot/compressed/ in preparation for unifying the Makefiles. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Tidy up the ldscript output format specifier.Paul Mundt2009-05-091-2/+6
| | | | | | | | Tie this in to the Makefile directly, where we already know what we are running on. This tidies up the linker script a bit, and is prep work for unifying the arch/sh/boot/compressed linker scripts. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off extra cflags Kconfig entry.Paul Mundt2009-05-081-3/+0
| | | | | | | There is no real reason to use this anymore, as the build system generally knows what it is doing with regards to cflags mangling. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off sh64's hand-rolled syscall tracer.Paul Mundt2009-05-081-32/+2
| | | | | | | This is no longer necessary, as there are now sufficient generic alternatives available. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Generate uImage by default on Urquell board.Paul Mundt2009-03-101-0/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-rsk: Use uImage generation by default for rsk7201/7203.Paul Mundt2008-12-221-1/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Provide sdivsi3/udivsi3/udivdi3 for sh64, kill off libgcc linking.Paul Mundt2008-12-221-3/+1
| | | | | | | This moves in the necessary libgcc bits and kills off the libgcc linking for sh64 kernels as well. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Consolidate rsk7203/7201 in to a new mach-rsk.Paul Mundt2008-12-221-0/+1
| | | | | | | RSK+ platforms have quite a few characteristics in common, so roll them together in to a shiny new RSK mach-type. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Re-add support for best fit ISA tuning if none is available.Paul Mundt2008-12-221-5/+20
| | | | | | | | | | | This was removed in the libgcc integration, but there are still some compilers that need this. We also relax the rules on the ISA tuning in the cases where there are no matches for the CPU tuning and adopt the -any default, which matches the intent of the isa-y target list. This compensates for mismatches where binutils supports a wide array of targets whilst the compiler is much more restricted. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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