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2006-09-27[MIPS] Qemu does not have D-cache aliasesAtsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Remove F_SETSIG and F_GETSIG in favor of the asm-generic definitions.Yoichi Yuasa
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Move definition of IRIX compat constant into IRIX compat code.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Use common definitions from asm-generic/signal.hYoichi Yuasa
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Atlas: update interrupt handlingMaciej W. Rozycki
The following change updates the Atlas interrupt handling to match that of Malta. Tested with a 5Kc and a 34Kf successfully. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Atlas: Fix building the RTC driverMaciej W. Rozycki
Atlas maps its RTC chip in the host mmio space rather than using the "traditional" location in the PCI/ISA port space. A change that has happened to the generic RTC header requires to define ARCH_RTC_LOCATION now. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Wire up set_robust_list(2) and get_robust_list(2)Atsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Fix errors detected by "make headers_check"Atsushi Nemoto
* export asm/sgidefs.h * include asm/isadep.h only if in kernel * do not export contents of asm/timex.h and asm/user.h Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte().Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Replace generic__raw_read_trylock usageRalf Baechle
generic__raw_read_trylock() is a defect generic function actually doing a __raw_read_lock ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Retire flush_icache_page from mm use.Ralf Baechle
On the 34K the redundant cache operations were causing excessive stalls resulting in realtime code running on the second VPE missing its deadline. For all other platforms this patch is just a significant performance improvment as illustrated by below benchmark numbers. Processor, Processes - times in microseconds - smaller is better ------------------------------------------------------------------------------ Host OS Mhz null null open slct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 25Kf 2.6.18-rc4 533 0.49 1.16 7.57 33.4 30.5 1.34 12.4 5497 17.K 54.K 25Kf 2.6.18-rc4-p 533 0.49 1.16 6.68 23.0 30.7 1.36 8.55 5030 16.K 48.K 4Kc 2.6.18-rc4 80 4.21 15.0 131. 289. 261. 16.5 258. 18.K 70.K 227K 4Kc 2.6.18-rc4-p 80 4.34 13.1 128. 285. 262. 18.2 258. 12.K 52.K 176K 34Kc 2.6.18-rc4 40 5.01 14.0 61.6 90.0 477. 17.9 94.7 29.K 108K 342K 34Kc 2.6.18-rc4-p 40 4.98 13.9 61.2 89.7 475. 17.6 93.7 8758 44.K 158K BCM1480 2.6.18-rc4 700 0.28 0.60 3.68 5.92 16.0 0.78 5.08 931. 3163 15.K BCM1480 2.6.18-rc4-p 700 0.28 0.61 3.65 5.85 16.0 0.79 5.20 395. 1464 8385 TX49-16K 2.6.18-rc3 197 0.73 2.41 19.0 37.8 82.9 2.94 17.5 4438 14.K 56.K TX49-16K 2.6.18-rc3-p 197 0.73 2.40 19.9 36.3 82.9 2.94 23.4 2577 9103 38.K TX49-32K 2.6.18-rc3 396 0.36 1.19 6.80 11.8 41.0 1.46 8.17 2738 8465 32.K TX49-32K 2.6.18-rc3-p 396 0.36 1.19 6.82 10.2 41.0 1.46 8.18 1330 4638 18.K Original patch by me with enhancements by Atsushi Nemoto. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2006-09-27[MIPS] Cleanup leftovers of ARCH_HAS_IRQ_PER_CPURalf Baechle
CONFIG_IRQ_PER_CPU now controls the IRQ_PER_CPU stuff. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27sh: Calculate shm alignment at runtime.Paul Mundt
Set the SHM alignment at runtime, based off of probed cache desc. Optimize get_unmapped_area() to only colour align shared mappings. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: dma-mapping compile fixes.Paul Mundt
Silly bug, make it build again.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Initial vsyscall page support.Paul Mundt
This implements initial support for the vsyscall page on SH. At the moment we leave it configurable due to having nommu to support from the same code base. We hook it up for the signal trampoline return at present, with more to be added later, once uClibc catches up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Clean up PAGE_SIZE definition for assembly use.Paul Mundt
We want to be able to use PAGE_SIZE all over the place, this is the same approach adopted by other architectures.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Support for L2 cache on newer SH-4A CPUs.Paul Mundt
This implements preliminary support for the L2 caches found on newer SH-4A CPUs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Update kexec support for API changes.Paul Mundt
This was falling a bit behind.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Optimized readsl()/writesl() support.Paul Mundt
Implement optimized copies of readsl()/writesl(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Report movli.l/movco.l capabilities.Paul Mundt
Add llsc to cpu_flags[] and comment cpu-features.h. Signed-off-by: Jamie Lenehan <nynaeve@twibble.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: CPU flags in AT_HWCAP in ELF auxvt.Paul Mundt
Encode processor flags in AT_HWCAP in the ELF auxiliary vector. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Add support for 4K stacks.Paul Mundt
This enables support for 4K stacks on SH. Currently this depends on DEBUG_KERNEL, but likely all boards will switch to this as the default in the future. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: stack debugging support.Paul Mundt
This adds a DEBUG_STACK_USAGE and DEBUG_STACKOVERFLOW for SH. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: machvec rework.Paul Mundt
Some more machvec overhauling and setup code cleanup. Kill off get_system_type() and platform_setup(), we can do these both through the machvec. While we're add it, kill off more useless mach.c's and drop some legacy cruft from setup.c. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Solution Engine SH7343 board support.Paul Mundt
This adds support for the SE7343 board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Kill off dead boards.Paul Mundt
None of these have been maintained in years, and no one seems to be interested in doing so, so just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: New atomic ops for SH-4A movli.l/movco.lPaul Mundt
SH-4A implements LL/SC instructions, so we implement a simple set of atomic operations using these. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Kill off the rest of the legacy rtc mess.Paul Mundt
With the new RTC class driver, we can get rid of most of the old left over cruft. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: SHMIN board support.Takashi YOSHII
This adds support for the SHMIN SH7706 board. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Add support for SH7706/SH7710/SH7343 CPUs.Paul Mundt
This adds support for the aforementioned CPU subtypes, and cleans up some build issues encountered as a result. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27serial: Add SERIAL_SH_SCI_NR_UARTS for sh-sci.Paul Mundt
sh-sci needs to be able to define its number of ports to support, we do this with a config option, like most other ports do. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: pselect6 and ppoll, along with signal trampoline rework.Paul Mundt
This implements support for ppoll() and pselect6().. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: __addr_ok() and other misc nommu fixups.Yoshinori Sato
A few more outstanding nommu fixups.. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Various nommu fixes.Yoshinori Sato
This fixes up some of the various outstanding nommu bugs on SH. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Make PAGE_OFFSET configurable.Paul Mundt
nommu needs to be able to shift PAGE_OFFSET, so we switch it to a non-user-visible CONFIG_PAGE_OFFSET and use that in the few places where it matters. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Move voyagergx_reg.h to a more sensible place.Paul Mundt
Other boards require this as well, so move it out of the rts7751r2d directory. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: math-emu supportTakashi YOSHII
This implements initial math-emu support, aimed primarily at SH-3. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Rename rtc_get/set_time() to avoid RTC_CLASS conflict.Paul Mundt
We have a clash with RTC_CLASS over these names, so we change them.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Fixup __strnlen_user() behaviour.Paul Mundt
Drop TIF_USERSPACE and add addr_limit to the thread_info struct. Subsequently, use that for address checking in strnlen_user() to ward off bogus -EFAULTs. Make __strnlen_user() return 0 on exception, rather than -EFAULT. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: More cosmetic cleanups and trivial fixes.Paul Mundt
Nothing exciting here, just trivial fixes.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Consolidated SH7751/SH7780 PCI support.Paul Mundt
This cleans up quite a lot of the PCI mess that we currently have, and attempts to consolidate the duplication in the SH7780 and SH7751 PCI controllers. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: kgdb stub cleanups.Paul Mundt
Some kgdb cleanup. Move hexchars/highhex/lowhex to the header, so it can be reused by sh-sci. Also drop silly ctrl_inl/outl() overloading being done by the kgdb stub. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: APM/PM support.Andriy Skulysh
This adds some simple PM stubs and the basic APM interfaces, primarily for use by hp6xx, where the existing userland expects it. Signed-off-by: Andriy Skulysh <askulysh@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Free up some and document PTEL flags.Paul Mundt
Drop _PAGE_SHARED/_PAGE_U0_SHARED and document Linux PTE encodings in the PTEL value. Preserve the swap cache entry encoding semantics for now, though it will need rework to free up _PAGE_WT from _PAGE_FILE. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: xchg()/__xchg() always_inline fixes for gcc4.Paul Mundt
Make __xchg() a macro, so that gcc 4.0 doesn't blow up thanks to always_inline.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Cleanup and document register bank usage.Paul Mundt
Initial register bank cleanup. Make SR.RB configurable, and add some preliminary documentation on register bank usage within the kernel. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Add support for R7780RP and R7780MP boards.Paul Mundt
This adds support for the Renesas SH7780 development boards, R7780RP and R7780MP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Store Queue API rework.Paul Mundt
Rewrite the store queue API for a per-cpu interface in the driver model. The old miscdevice is dropped, due to TASK_SIZE limitations, and no one was using it anyways. Carve up and allocate store queue space with a bitmap, back sq mapping objects with a slab cache, and let userspace worry about its own prefetching. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Board updates for I/O routine rework.Paul Mundt
This updates the various boards for some of the recent I/O routine updates. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27sh: Fixup SHMLBA definition for SH7705.Paul Mundt
We need this set to something sensible anywhere were we have an aliasing dcache.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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