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GMAC core which is used on the Allwinner A20 SoCs and later SoCs in the
Allwinner family. Since this core is very likely to show up the base of
other devices, it gets to live here in dev/ic.
Ported from NetBSD (where it is named awge(4)) by patrick@. Some further
fixes by me.
ok deraadt@
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cast from FUSE_ROOTINO, as it is already included in the #define.
ok kettenis
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ok jsg@, patrick@
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This fixes coredumps of processes that use relro to make part of their
writable address space read-only.
ok guenther@
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vtype in struct fusefs_node and v_type in struct vnode. Given the fact,
that fusefs_node structs are never allocated without an associated vnode
and those two fields are always in sync, one of those locations is
superfluous.
While there remove the unused nlookup field.
ok mpi
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as well.
ok deraadt@, millert@
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retarded, requiring tables to map text strings to the apropriate numbers.
These tables were generated automatically from data extracted from the
Linux kernel and are kept in a separate file. This should make it easy
to add support for more SoCs from the same family.
ok deraadt@, millert@
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ok kettenis@
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ok mpi
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am335x has a compatible string of "ti,omap4-gpio" and has the same
offsets as omap4, so combine the omap4 and am335x cases when setting up
function pointers.
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ok kettenis@ patrick@
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no functional change.
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free static entries are kept in a simple linked list, so use SLIST
to make this obvious. the RB_PARENT manipulations are ugly and
confusing.
ok kettenis@
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the big reason for this is to let us use rw locks in the network
stack, which is how at least two major efforts outside the tree
have approached making pf mpsafe.
this was discussed at length at n2k16. there was general agreement
that this is necessary for us to move smp work forward in the stack.
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level of the translation table, including entries that point to further
levels of the tables. This means that we have to do a TLB flush whenever
we invalidate an L1 slot too. Doing so fixes the pmap_fault_fixup
issue on Cortex-A7 processors.
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non Global bit Small page desciptions. iConsistently name the S-bit
Sharable in comments.
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with setting the Access Flag Enable bit in the System Control Register.
The new settings mean that read-only userland pages are no longer writable
by the kernel, which is a good thing. Set the Access Flag Enable bit.
ok patrick@
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ok deraadt millert stefan
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workarounds. Some of them will soon stand in the way of armv7.
Off to the attic you go.
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sbin/fsck_ffs build. bad natano!
reported by naddy
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ffs code.
ok mpi tedu
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ok mpi tedu
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function for platforms that have it, rework the code a bit such that it can
be used before agtimer(4) attaches. Introduce a new agtimer_init()
function that checks whether the CPU implements the Generic Timer feature
and switches to agtimer_delay() if that feature is present. Call this
function from the generic platform initialization code.
ok jsg@
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Remove the code to do so from cpuswitch().
ok guenther@
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hang seen on the allwinner,sun5i-r8.
ok kettenis
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Lets Bacula find the end of medium on LTO5 drive.
Reported & fix tested by Kor son of Rynar.
ok mikeb@ deraadt@
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don't think we'll ever go back. So let's ditch the code that tries to
check and patch up incorrect memory attributes.
Also realize that pmap_clean_page(pg, FALSE) doesn't do anything
anymore so remove those calls and drop the 2nd argument from
pmap_clean_page(pg, TRUE) calls.
Last but not least, get rid of pmap_pte_init_generic() here. The only
useful thing it did was setting pmap_copy_page_func() and
pmap_zero_page_func().
This diff should not introduce any change in behaviour.
ok visa@
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background, similar to a non-blocking socket. Return EALREADY whenever
already connecting, not just for non-blocking sockets. Fix from {Free,Net}BSD
Prompted by a report from Michael Reed (m.reed (at) mykolab.com)
ok millert@
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atomic instructions don't work unless the data cache is enabled. This happens
in cpu_setup(), but that gets currently called from cpu_startup() which runs
after a number of kernel subsystems have been initialized. Since some of
these subsystems use locks, which need atomic instructions, we fault on
Cortex-A53. Since at the end of initarm() we're done setting up the pmap
and initializing other low-level sense, calling cpu_setup() here makes much
more sense.
Remove setting up proc0paddr as well from cpu_startup(), since that already
happens in initarm().
Tested on zaurus by deraadt@.
ok jsg@, patrick@
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"wxallowed" filesystems. mmap(2) & mprotect(2) now return ENOTSUP.
(To diagnose buggy programs, consider using sysctl kern.wxabort=1 and
looking at the coredumps)
ok kettenis tedu naddy
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to non-cachable is retarded. Fix this by introducing PMAP_NOCACHE and
PMAP_DEVICE flags that can be or'ed into the physical address passed to
pmap_kenter(9), like we have on many of our other architectures. This way we
can also properly distinguish between device memory and normal (non-cachable)
memory.
ok visa@
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This matches what IPv4 is doing and unbreak carp(4) when the same
address is set twice, for example when running netstart(8) multiple
times.
Issue reported by and fix from Simon Mages.
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and see the BCM4330 wireless (for which we don't have a driver yet).
ok jsg@
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no need to clean and/or invalidate cached pages. So remove most of the
cache cleaning and invalidation from the pmap. We still need to synchronize
the instruction cache with the data cache in various places though. And we
also need to make sure that we clean and invalidate when we make a page
non-cachable.
Tested by Daniel Bolgheroni, mglocker@ and jsg@. on Cortex-A8 and myself on
Cortex-A9.
ok visa@
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interface marked UP and scheduling the init task. Matches iwn(4) behaviour.
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some debug crap that I accidentally committed.
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Spotted by patrick@
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just cleaned things up a bit. Any bugs introduced in that process are
entirely mine.
This doesn't work yet. But when it does, you'll need recent firmware from
the Raspberry Pi Foundation git repository at
https://github.com/raspberrypi/firmware
The device tree for the Raspberry Pi is somewhat in flux as bits and pieces
to support the Raspberry Pi 2 and 3 are committed to the mainline Linux
kernel.
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No functional change.
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Switch from calling obsolete sig{block,setmask} to directly using the
sigprocmask syscall.
ok deraadt@ kettenis@
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Requested by and ok kettenis@
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