Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16, v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42 |
|
#
b060b7d0 |
| 14-May-2020 |
Vineet Gupta <vgupta@kernel.org> |
ARC: __switch_to: asm with dwarf ops (vs. inline asm)
__switch_to() is final step of context switch, swapping kernel modes stack (and callee regs) of outgoing task with next task.
It is also the st
ARC: __switch_to: asm with dwarf ops (vs. inline asm)
__switch_to() is final step of context switch, swapping kernel modes stack (and callee regs) of outgoing task with next task.
It is also the starting point of stack unwinging of a sleeping task and captures SP, FP, BLINK and the corresponding dwarf info. Back when dinosaurs still roamed around, ARC gas didn't support CFI pseudo ops and gcc was responsible for generating dwarf info. Thus it had to be written in "C" with inline asm to do the hand crafting of stack. The function prologue (and crucial saving of blink etc) was still gcc generated but not visible in code. Likewise dwarf info was missing.
Now with modern tools, we can make things more obvious by writing the code in asm and adding approproate dwarf cfi pseudo ops.
This is mostly non functional change, except for slight chnages to asm
- ARCompact doesn't support MOV_S fp, sp, so we use MOV
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
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|
#
32164845 |
| 24-Sep-2022 |
Masahiro Yamada <masahiroy@kernel.org> |
kbuild: use obj-y instead extra-y for objects placed at the head
The objects placed at the head of vmlinux need special treatments:
- arch/$(SRCARCH)/Makefile adds them to head-y in order to place
kbuild: use obj-y instead extra-y for objects placed at the head
The objects placed at the head of vmlinux need special treatments:
- arch/$(SRCARCH)/Makefile adds them to head-y in order to place them before other archives in the linker command line.
- arch/$(SRCARCH)/kernel/Makefile adds them to extra-y instead of obj-y to avoid them going into built-in.a.
This commit gets rid of the latter.
Create vmlinux.a to collect all the objects that are unconditionally linked to vmlinux. The objects listed in head-y are moved to the head of vmlinux.a by using 'ar m'.
With this, arch/$(SRCARCH)/kernel/Makefile can consistently use obj-y for builtin objects.
There is no *.o that is directly linked to vmlinux. Drop unneeded code in scripts/clang-tools/gen_compile_commands.py.
$(AR) mPi needs 'T' to workaround the llvm-ar bug. The fix was suggested by Nathan Chancellor [1].
[1]: https://lore.kernel.org/llvm/YyjjT5gQ2hGMH0ni@dev-arch.thelio-3990X/
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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|
Revision tags: v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32 |
|
#
9eca345c |
| 12-Apr-2020 |
Masahiro Yamada <masahiroy@kernel.org> |
arc: ptrace: hard-code "arc" instead of UTS_MACHINE
ARC uses the UTS_MACHINE defined in the top Makefile as follows:
UTS_MACHINE := $(ARCH)
We know it is "arc" when we are building the kerne
arc: ptrace: hard-code "arc" instead of UTS_MACHINE
ARC uses the UTS_MACHINE defined in the top Makefile as follows:
UTS_MACHINE := $(ARCH)
We know it is "arc" when we are building the kernel for ARC. Hard-code user_regset_view::name, like many other architectures do.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Revision tags: v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14 |
|
#
f45ba2bd |
| 17-Jan-2020 |
Vineet Gupta <vgupta@synopsys.com> |
ARCv2: fpu: preserve userspace fpu state
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
|
Revision tags: v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10 |
|
#
f091d5a4 |
| 08-Nov-2019 |
Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> |
ARC: ARCv2: jump label: implement jump label patching
Implement jump label patching for ARC. Jump labels provide an interface to generate dynamic branches using self-modifying code.
This allows us
ARC: ARCv2: jump label: implement jump label patching
Implement jump label patching for ARC. Jump labels provide an interface to generate dynamic branches using self-modifying code.
This allows us to implement conditional branches where changing branch direction is expensive but branch selection is basically 'free'
This implementation uses 32-bit NOP and BRANCH instructions which forced to be aligned by 4 to guarantee that they don't cross L1 cache line boundary and can be update atomically.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Revision tags: v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8 |
|
#
d2912cb1 |
| 04-Jun-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify it under the terms of th
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation
this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17, v4.16, v4.15, v4.13.16, v4.14, v4.13.5, v4.13, v4.12 |
|
#
77f0c8bc |
| 23-Jun-2017 |
Palmer Dabbelt <palmer@dabbelt.com> |
ARC: Remove empty kernel/pcibios.c
ARC requires no arch-specific pcibios hooks, so delete this empty file.
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Signed-off-by: Bjorn Helgaas <bhelgaas@
ARC: Remove empty kernel/pcibios.c
ARC requires no arch-specific pcibios hooks, so delete this empty file.
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Revision tags: v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10, v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30 |
|
#
c4c9a040 |
| 31-Oct-2016 |
Vineet Gupta <vgupta@synopsys.com> |
clocksource: import ARC timer driver
This adds support for
- CONFIG_ARC_TIMERS : legacy 32-bit TIMER0 and TIMER1 which count UP from @CNT to @LIMIT, before optionally triggering an interrupt.
clocksource: import ARC timer driver
This adds support for
- CONFIG_ARC_TIMERS : legacy 32-bit TIMER0 and TIMER1 which count UP from @CNT to @LIMIT, before optionally triggering an interrupt. These are programmed using ARC auxiliary register interface. These are present in all ARC cores (ARC700 and ARC HS38) TIMER0 serves as clockevent for all ARC linux builds. TIMER1 is used for clocksource in arc700 builds.
- CONFIG_ARC_TIMERS_64BIT: 64-bit counters, RTC and GFRC found in ARC HS38 cores. These are independnet IP blocks with different programming model respectively.
Link: http://lkml.kernel.org/r/20161111231132.GA4186@mai Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Revision tags: v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1 |
|
#
6e9318d1 |
| 01-Feb-2016 |
Alexey Brodkin <abrodkin@synopsys.com> |
ARC: RIP arc_{get|set}_core_freq() clk API
There are no more users of this - so RIP!
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> [vgupta: update changelog] Signed-off-by: Vineet Gupta <vg
ARC: RIP arc_{get|set}_core_freq() clk API
There are no more users of this - so RIP!
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> [vgupta: update changelog] Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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|
#
c1678ffc |
| 10-Mar-2016 |
Joao Pinto <Joao.Pinto@synopsys.com> |
ARC: Add PCI support
Add PCI support to ARC and update drivers/pci Makefile enabling the ARC arch to use the generic PCI setup functions.
[bhelgaas: fold in Joao's pci-dma-compat.h & pci-bridge.h b
ARC: Add PCI support
Add PCI support to ARC and update drivers/pci Makefile enabling the ARC arch to use the generic PCI setup functions.
[bhelgaas: fold in Joao's pci-dma-compat.h & pci-bridge.h build fix (I should have caught this myself, sorry] Signed-off-by: Joao Pinto <jpinto@synopsys.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Vineet Gupta <vgupta@synopsys.com>
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|
Revision tags: v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1, v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6, v4.1-rc5, v4.1-rc4, v4.1-rc3, v4.1-rc2, v4.1-rc1, v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3, v4.0-rc2, v4.0-rc1, v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3, v3.19-rc2, v3.19-rc1, v3.18, v3.18-rc7, v3.18-rc6, v3.18-rc5, v3.18-rc4, v3.18-rc3, v3.18-rc2, v3.18-rc1, v3.17, v3.17-rc7, v3.17-rc6, v3.17-rc5 |
|
#
82fea5a1 |
| 10-Sep-2014 |
Vineet Gupta <vgupta@synopsys.com> |
ARCv2: SMP: Support ARConnect (MCIP) for Inter-Core-Interrupts et al
Cc: Jason Cooper <jason@lakedaemon.net> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
|
Revision tags: v3.17-rc4, v3.17-rc3, v3.17-rc2, v3.17-rc1, v3.16, v3.16-rc7, v3.16-rc6, v3.16-rc5, v3.16-rc4, v3.16-rc3, v3.16-rc2, v3.16-rc1, v3.15, v3.15-rc8, v3.15-rc7, v3.15-rc6, v3.15-rc5, v3.15-rc4, v3.15-rc3, v3.15-rc2, v3.15-rc1, v3.14, v3.14-rc8, v3.14-rc7, v3.14-rc6, v3.14-rc5, v3.14-rc4, v3.14-rc3, v3.14-rc2, v3.14-rc1, v3.13, v3.13-rc8, v3.13-rc7, v3.13-rc6, v3.13-rc5, v3.13-rc4, v3.13-rc3, v3.13-rc2, v3.13-rc1, v3.12, v3.12-rc7, v3.12-rc6, v3.12-rc5, v3.12-rc4, v3.12-rc3, v3.12-rc2, v3.12-rc1, v3.11, v3.11-rc7, v3.11-rc6, v3.11-rc5, v3.11-rc4, v3.11-rc3, v3.11-rc2, v3.11-rc1, v3.10, v3.10-rc7, v3.10-rc6, v3.10-rc5, v3.10-rc4, v3.10-rc3, v3.10-rc2 |
|
#
1f6ccfff |
| 13-May-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARCv2: Support for ARCv2 ISA and HS38x cores
The notable features are: - SMP configurations of upto 4 cores with coherency - Optional L2 Cache and IO-Coherency - Revised Interrupt Archit
ARCv2: Support for ARCv2 ISA and HS38x cores
The notable features are: - SMP configurations of upto 4 cores with coherency - Optional L2 Cache and IO-Coherency - Revised Interrupt Architecture (multiple priorites, reg banks, auto stack switch, auto regfile save/restore) - MMUv4 (PIPT dcache, Huge Pages) - Instructions for * 64bit load/store: LDD, STD * Hardware assisted divide/remainder: DIV, REM * Function prologue/epilogue: ENTER_S, LEAVE_S * IRQ enable/disable: CLRI, SETI * pop count: FFS, FLS * SETcc, BMSKN, XBFU...
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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5793e273 |
| 05-Mar-2015 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: intc: split into ARCompact ISA specific, common bits
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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6d1a20b1 |
| 21-Feb-2015 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: entry.S: split into ARCompact ISA specific, common bits
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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1736a56f |
| 08-Sep-2014 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: rename kconfig option for unaligned emulation
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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0dd450fe |
| 07-Nov-2013 |
Mischa Jonker <mjonker@synopsys.com> |
ARC: Add perf support for ARC700 cores
This adds basic perf support for ARC700 cores. Most PERF_COUNT_HW* events are supported now.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Acked-by: Pet
ARC: Add perf support for ARC700 cores
This adds basic perf support for ARC700 cores. Most PERF_COUNT_HW* events are supported now.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Revision tags: v3.10-rc1, v3.9, v3.9-rc8, v3.9-rc7, v3.9-rc6, v3.9-rc5, v3.9-rc4, v3.9-rc3, v3.9-rc2, v3.9-rc1, v3.8, v3.8-rc7, v3.8-rc6, v3.8-rc5 |
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cbe056f7 |
| 18-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: Hostlink Pseudo-Driver for Metaware Debugger
This allows ARC Target to do I/O to host in absence of any peripherals whatsoever, assisted by Metaware Hostlink facility.
Further we have a FUSE b
ARC: Hostlink Pseudo-Driver for Metaware Debugger
This allows ARC Target to do I/O to host in absence of any peripherals whatsoever, assisted by Metaware Hostlink facility.
Further we have a FUSE based filesystem which makes us mount/access host filesystem on target and do fops.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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f46121bd |
| 18-Jan-2013 |
Mischa Jonker <mjonker@synopsys.com> |
ARC: kgdb support
Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Jason Wessel <jason.wessel@windriver.com> Acked-by: Jason Wessel <jason.we
ARC: kgdb support
Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Jason Wessel <jason.wessel@windriver.com> Acked-by: Jason Wessel <jason.wessel@windriver.com>
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2e651ea1 |
| 23-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: Unaligned access emulation
ARC700 doesn't natively support unaligned access, but can be emulated -Unaligned Access Exception -Disassembly at the Fault address to find the exact insn (long/short
ARC: Unaligned access emulation
ARC700 doesn't natively support unaligned access, but can be emulated -Unaligned Access Exception -Disassembly at the Fault address to find the exact insn (long/short)
Also per Arnd's comment, we runtime control it using 2 sysctl knobs: * SYSCTL_ARCH_UNALIGN_ALLOW: Runtime enable/disble * SYSCTL_ARCH_UNALIGN_NO_WARN: Warn on each emulation attempt
Originally contributed by Tim Yao <tim.yao@amlogic.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Tim Yao <tim.yao@amlogic.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
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4d86dfbb |
| 22-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: kprobes support
Origin port done by Rajeshwar Ranga
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com>
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e65ab5a8 |
| 30-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: disassembly (needed by kprobes/kgdb/unaligned-access-emul)
In-kernel disassembler
Due Credits * Orig written by Rajeshwar Ranga * Consolidation/cleanups by Mischa Jonker
Signed-off-by: Vineet
ARC: disassembly (needed by kprobes/kgdb/unaligned-access-emul)
In-kernel disassembler
Due Credits * Orig written by Rajeshwar Ranga * Consolidation/cleanups by Mischa Jonker
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com> Cc: Mischa Jonker <mjonker@synopsys.com>
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854a0d95 |
| 22-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: DWARF2 .debug_frame based stack unwinder
-Originally written by Rajeshwar Ranga -Derived off of generic unwinder in 2.6.19 and adapted to ARC
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
ARC: DWARF2 .debug_frame based stack unwinder
-Originally written by Rajeshwar Ranga -Derived off of generic unwinder in 2.6.19 and adapted to ARC
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com>
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41195d23 |
| 18-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: SMP support
ARC common code to enable a SMP system + ISS provided SMP extensions.
ARC700 natively lacks SMP support, hence some of the core features are are only enabled if SoCs have the neces
ARC: SMP support
ARC common code to enable a SMP system + ISS provided SMP extensions.
ARC700 natively lacks SMP support, hence some of the core features are are only enabled if SoCs have the necessary h/w pixie-dust. This includes: -Inter Processor Interrupts (IPI) -Cache coherency -load-locked/store-conditional ...
The low level exception handling would be completely broken in SMP because we don't have hardware assisted stack switching. Thus a fair bit of this code is repurposing the MMU_SCRATCH reg for event handler prologues to keep them re-entrant.
Many thanks to Rajeshwar Ranga for his initial "major" contributions to SMP Port (back in 2008), and to Noam Camus and Gilad Ben-Yossef for help with resurrecting that in 3.2 kernel (2012).
Note that this platform code is again singleton design pattern - so multiple SMP platforms won't build at the moment - this deficiency is addressed in subsequent patches within this series.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Rajeshwar Ranga <rajeshwar.ranga@gmail.com> Cc: Noam Camus <noamc@ezchip.com> Cc: Gilad Ben-Yossef <gilad@benyossef.com>
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fa1c3ff9 |
| 29-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: Module support
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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547f1125 |
| 18-Jan-2013 |
Vineet Gupta <vgupta@synopsys.com> |
ARC: ptrace support
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
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