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MFP4:
Change 231031 by brooks@brooks_zenith on 2013/07/11 16:22:08
Turn the unused and uncompilable MIPS_DISABLE_L1_CACHE define in
cache.c into an option and when set force I- and D-cache line
sizes to 0 (the latter part might be better as a tunable).
Fix some casts in an #if 0'd bit of code which attempts to
disable L1 cache ops when the cache is coherent.
Sponsored by: DARPA/AFRL
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MFP4:
Change 228019 by bz@bz_zenith on 2013/04/23 13:55:30
Add kernel side support for large TLB on BERI/CHERI.
Modelled similar to NLM
Sponsored by: DAPRA/AFRL
Approved by: re (delphij)
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They're both different cores:
* mips24k is an 8-stage pipeline, mips32r1 ABI, non-superscalar core.
* mips74k is a dual-issue 15-stage superscalar design, mips32r2 ABI.
They have different sets of quirks and bugs; these #define entries
will be used to work around these.
Now, strictly speaking, we should have CPU ABI families (mips32r1, mips32r2,
etc) and CPU core types (mips4k, mips24k, mips74k, etc.) But this is the
starting point of that particular tidy-up.
Reviewed by: imp@
Approved by: re@ (gjb)
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overlap with the standard ones, so kernels for this family of boards
need the option OCTEON_VENDOR_GEFES.
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Note that USB does not currently work, and the flash is connected via USB, so
local storage is not working.
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reducing the number of runtime checks done by the SDK code.
o) Group board/CPU information at early startup by subject matter, so that e.g.
CPU information is adjacent to CPU information and board information is
adjacent to board information.
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support for what their boot loader refers to as the "RSYS4GBE", of which there
are two instances ("Data Processing Blocks") on the Radisys ATCA-7220.
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conditional inclusion based on the MACHINE_ARCH we're compiling for.
Make ucmpdi2 conditional on mips or mipsel.
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PR: 170859
Submitted by: Luiz Otavio O Souza
Approved by: adrian (mentor)
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Bluespec Extensible RISC Implementation (BERI) processor. BERI is a 64-bit
MIPS ISA soft CPU core that can be synthesised to Altera and Xilinx FPGAs,
and is being used for CPU and OS research at several institutions.
Sponsored by: DARPA, AFRL
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on PowerPC support. This was clearly not something syscons was
designed to do (very specific assumptions about the nature of VGA
consoles on PCs), but fortunately others have long since blazed
the way on making it work regardless of that.
Sponsored by: DARPA, AFRL
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advantages. First, PV entries are roughly half the size. Second, this
allocator doesn't access the paging queues, and thus it will allow for the
removal of the page queues lock from this pmap.
Fix a rather serious bug in pmap_remove_write(). After removing write
access from the specified page's first mapping, pmap_remove_write() then
used the wrong "next" pointer. Consequently, the page's second, third,
etc. mappings were not write protected.
Tested by: jchandra
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This is only done if the ARGE_MDIO option is included.
* Shuffle the arge MDIO bus into a separate device, that needs to be
probed early (use hint.argemdio.X.order=0)
* hint.arge.X.mdio now specifies which miiproxy to rendezvous with.
* Call MAC/MDIO bus init during MDIO attach, not arge attach.
This is done regardless:
* Shift the arge MAC and MDIO bus reset code into separate functions
and call it early during MDIO bus attach. It's required for
correct MDIO bus IO to occur on AR71xx/AR91xx devices.
* Remove the AR71xx/AR91xx centric assumption that there's only one
MDIO bus. The initial code mapped miibus0(arge0) and miibus1(arge1)
MII register operations to the MII0 (arge0) register space. The
AR724x (and later, upcoming chipsets) have two MDIO busses and
the second is very much in use.
TODO:
* since the multiphy behaviour has changed (where now a phymask of >1
PHY will still be enumerated), multiphy setups may be quite wrong.
I'll go and fix these so they still have a chance of working, at least.
until the switch PHY support appears in -HEAD.
Submitted by: Stefan Bethke <stb@lassitu.de>
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Submitted by: Stefan Bethke <stb@lassitu.de>
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required for the ABI the kernel is being built for.
XXX This is implemented in a kind-of nasty way that involves including source
files, but it's still an improvement.
o) Retire ISA_* options since they're unused and were always wrong.
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userlands
using the o32 ABI. This mostly follows nwhitehorn's lead in implementing
COMPAT_FREEBSD32 on powerpc64.
o) Add a new type to the freebsd32 compat layer, time32_t, which is time_t in the
32-bit ABI being used. Since the MIPS port is relatively-new, even the 32-bit
ABIs use a 64-bit time_t.
o) Because time{spec,val}32 has the same size and layout as time{spec,val} on MIPS
with 32-bit compatibility, then, disable some code which assumes otherwise
wrongly when built for MIPS. A more general macro to check in this case would
seem like a good idea eventually. If someone adds support for using n32
userland with n64 kernels on MIPS, then they will have to add a variety of
flags related to each piece of the ABI that can vary. That's probably the
right time to generalize further.
o) Add MIPS to the list of architectures which use PAD64_REQUIRED in the
freebsd32 compat code. Probably this should be generalized at some point.
Reviewed by: gonzo
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This patch adds support for the Netlogic XLP mips64 processors in
the common MIPS code. The changes are :
- Add CPU_NLM processor type
- Add cases for CPU_NLM, mostly were CPU_RMI is used.
- Update cache flush changes for CPU_NLM
- Add kernel build configuration files for xLP.
In collaboration with: Prabhath Raman <prabhathpr at netlogicmicro com>
Approved by: bz(re), jmallett, imp(mips)
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other Ralink SoCs.
Approved by: adrian (mentor)
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use CPU_RMI all XLR configurations. Update ident string for N32 and
N64 kernels.
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library:
o) Increase inline unit / large function growth limits for MIPS to accommodate
the needs of the Simple Executive, which uses a shocking amount of inlining.
o) Remove TARGET_OCTEON and use CPU_CNMIPS to do things required by cnMIPS and
the Octeon SoC.
o) Add OCTEON_VENDOR_LANNER to use Lanner's allocation of vendor-specific
board numbers, specifically to support the MR320.
o) Add OCTEON_BOARD_CAPK_0100ND to hard-wire configuration for the CAPK-0100nd,
which improperly uses an evaluation board's board number and breaks board
detection at runtime. This board is sold by Portwell as the CAM-0100.
o) Add support for the RTC available on some Octeon boards.
o) Add support for the Octeon PCI bus. Note that rman_[sg]et_virtual for IO
ports can not work unless building for n64.
o) Clean up the CompactFlash driver to use Simple Executive macros and
structures where possible (it would be advisable to use the Simple Executive
API to set the PIO mode, too, but that is not done presently.) Also use
structures from FreeBSD's ATA layer rather than structures copied from
Linux.
o) Print available Octeon SoC features on boot.
o) Add support for the Octeon timecounter.
o) Use the Simple Executive's routines rather than local copies for doing reads
and writes to 64-bit addresses and use its macros for various device
addresses rather than using local copies.
o) Rename octeon_board_real to octeon_is_simulation to reduce differences with
Cavium-provided code originally written for Linux. Also make it use the
same simplified test that the Simple Executive and Linux both use rather
than our complex one.
o) Add support for the Octeon CIU, which is the main interrupt unit, as a bus
to use normal interrupt allocation and setup routines.
o) Use the Simple Executive's bootmem facility to allocate physical memory for
the kernel, rather than assuming we know which addresses we can steal.
NB: This may reduce the amount of RAM the kernel reports you as having if
you are leaving large temporary allocations made by U-Boot allocated
when starting FreeBSD.
o) Add a port of the Cavium-provided Ethernet driver for Linux. This changes
Ethernet interface naming from rgmxN to octeN. The new driver has vast
improvements over the old one, both in performance and functionality, but
does still have some features which have not been ported entirely and there
may be unimplemented code that can be hit in everyday use. I will make
every effort to correct those as they are reported.
o) Support loading the kernel on non-contiguous cores.
o) Add very conservative support for harvesting randomness from the Octeon
random number device.
o) Turn SMP on by default.
o) Clean up the style of the Octeon kernel configurations a little and make
them compile with -march=octeon.
o) Add support for the Lanner MR320 and the CAPK-0100nd to the Simple
Executive.
o) Modify the Simple Executive to build on FreeBSD and to build without
executive-config.h or cvmx-config.h. In the future we may want to
revert part of these changes and supply executive-config.h and
cvmx-config.h and access to the options contained in those files via
kernel configuration files.
o) Modify the Simple Executive USB routines to support getting and setting
of the USB PID.
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Discussed with: gonzo, imp
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this in the Sibyte PCI hostbridge driver instead.
The nexus driver sees resource allocation requests for memory and irq
resources only. These are legitimate resources on all MIPS platforms.
Suggested by: imp
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r200593 | imp | 2009-12-15 16:22:19 -0700 (Tue, 15 Dec 2009) | 4 lines
Remove the now-obsolete comments about compile-with. There are no
compile-with lines in this file at all. So we don't need two warnings
about them.
r198669 | rrs | 2009-10-30 02:53:11 -0600 (Fri, 30 Oct 2009) | 5 lines
With this commit our friend RMI will now compile. I have
not tested it and the chances of it running yet are about
ZERO.. but it will now compile. The hard part now begins,
making it run ;-)
r198311 | neel | 2009-10-20 18:56:13 -0600 (Tue, 20 Oct 2009) | 8 lines
Update options.mips to support config options required to build the SWARM
kernel.
The SWARM kernel does not build yet but at least it gets past the kernel
config stage.
r198154 | rrs | 2009-10-15 15:03:32 -0600 (Thu, 15 Oct 2009) | 10 lines
Does 4 things:
1) Adds future RMI directories
2) Places intr_machdep.c in specfic files.arch pointing to the generic
intr_machdep.c. This allows us to have an architecture dependant
intr_machdep.c (which we will need for RMI) in the machine specific
directory
3) removes intr_machdep.c from files.mips
4) Adds some TARGET_XLR_XLS ifdef's for the machine specific intra_machdep.h. We
may need to look at finding a better place to put this. But first I want to
get this thing compiling.
r196315 | imp | 2009-08-17 06:37:06 -0600 (Mon, 17 Aug 2009) | 5 lines
Like qdivrem, remove the other quad_t support stuff from 64-bit
kernels.
r195331 | imp | 2009-07-03 20:49:17 -0600 (Fri, 03 Jul 2009) | 4 lines
Merge in new cfe environment passing of kenv for swarm/sibyte boards.
Submitted by: Neelkanth Natu
r195732 | gonzo | 2009-07-16 20:28:27 -0600 (Thu, 16 Jul 2009) | 2 lines
- Add DES and Blowfish implementstions to build. Required by crypto(4)
r195437 | imp | 2009-07-07 23:57:58 -0600 (Tue, 07 Jul 2009) | 2 lines
The kernel isn't quite ready for this to be optional...
r195401 | imp | 2009-07-06 02:16:25 -0600 (Mon, 06 Jul 2009) | 4 lines
Only build qdivrem on 32-bit ISA...
r195331 | imp | 2009-07-03 20:49:17 -0600 (Fri, 03 Jul 2009) | 4 lines
Merge in new cfe environment passing of kenv for swarm/sibyte boards.
Submitted by: Neelkanth Natu
r195165 | gonzo | 2009-06-29 11:36:47 -0600 (Mon, 29 Jun 2009) | 2 lines
- add sys_machdep.c to build
r192864 | gonzo | 2009-05-26 16:40:12 -0600 (Tue, 26 May 2009) | 4 lines
- Replace CPU_NOFPU and SOFTFLOAT options with CPU_FPU. By default
we assume that there is no FPU, because majority of SoC does
not have it.
r191085 | gonzo | 2009-04-14 20:41:35 -0600 (Tue, 14 Apr 2009) | 2 lines
- mainbus.c seems not to be used, disconnect it from build
r191084 | gonzo | 2009-04-14 20:28:26 -0600 (Tue, 14 Apr 2009) | 6 lines
Use FreeBSD/arm approach for handling bus space access: space tag is a pointer
to bus_space structure that defines access methods and hence every bus can
define own accessors. Default space is mips_bus_space_generic. It's a simple
interface to physical memory, values are read with regard to host system
byte order.
r187418 | gonzo | 2009-01-18 19:37:10 -0700 (Sun, 18 Jan 2009) | 4 lines
- Add trampoline stuff for bootloaders that do not support ELF
- Replace arm'ish KERNPHYSADDR/KERNVIRTADDR with
KERNLOADADDR/TRAMPLOADADDR and clean configs
r187415 | gonzo | 2009-01-18 16:49:02 -0700 (Sun, 18 Jan 2009) | 3 lines
- Move Silicon Backplanes code out to system-wide level (dev/siba) as
it's going to be used not only for siba5 devices.
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separator.
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merged juniper and mips2 code base. This represents the work of
Juniper Engineers, plus Oleksandr Tymoshenko, Wojciech Koszek, Warner
Losh, Olivier Houchard, Randall Stewert and others that have
contributed to the mips2 and/or mips2-jnpr perforce branches.
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