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The "oprofile" user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.
Remove the old oprofile's architecture specific support.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Since the removal of core support for SH5, Cayman support can no longer
be selected.
Fixes: 37744feebc ("sh: remove sh5 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rich Felker <dalias@libc.org>
sh5 never became a product and has probably never really worked.
Remove it by recursively deleting all associated Kconfig options
and all corresponding files.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rich Felker <dalias@libc.org>
Currently, the Kbuild core manipulates header search paths in a crazy
way [1].
To fix this mess, I want all Makefiles to add explicit $(srctree)/ to
the search paths in the srctree. Some Makefiles are already written in
that way, but not all. The goal of this work is to make the notation
consistent, and finally get rid of the gross hacks.
Having whitespaces after -I does not matter since commit 48f6e3cf5b
("kbuild: do not drop -I without parameter").
[1]: https://patchwork.kernel.org/patch/9632347/
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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
sh/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/syscall_32.S file.
Signed-off-by: Firoz Khan <firoz.khan@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit a0f97e06a4 ("kbuild: enable 'make CFLAGS=...' to add
additional options to CC") renamed CFLAGS to KBUILD_CFLAGS.
Commit 222d394d30 ("kbuild: enable 'make AFLAGS=...' to add
additional options to AS") renamed AFLAGS to KBUILD_AFLAGS.
Commit 06c5040cdb ("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>
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>
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>
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>
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>
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>
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-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>
- 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.
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
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.
...
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
This implements basic -fstack-protector support, based on the early ARM
version in c743f38013. 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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
