CVS log for src/sys/arch/arm/arm32/sys_machdep.c

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KNF

KNF #includes

Remove some unnecessary ones while I'm here.

Trailing whitespace

update from HEAD

Sync with HEAD

Sync with HEAD

Sync with HEAD

allow pcu_save() and pcu_discard() to be called on other threads,
ptrace needs to use it that way.

Sync with HEAD

Use armreg_*_{read,write} instead of handcrafted asm

No functional change.

Sync with HEAD

Mark as volatile, just to be sure.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

sync with head

Query the media and vfp feature registers to determine what our default
mode should be and what bits in the fpscr can be changed.
Print what features are supported:
vfp0 at cpu0: NEON MPE (VFP 3.0+), rounding, NaN propogation, denormals

Merge armv7 support from HEAD, specifically support for the BCM5301X
and BCM56340 evbarm kernels.

sync with head

Make use of vfp_used_p condition on FPU_VFP

Reap LWP_VFPUSED and use PCU internal tracking.
Add bool vfp_used_p(void);

Move parts of cpu.h that are not needed by MI code in <arm/locore.h>
Don't include <machine/cpu.h> or <machine/frame.h>, use <arm/locore.h>
Use <arm/asm.h> instead of <machine/arm.h>

resync with head

add a fpu_used sysarch

Merge improved arm support (especially Cortex) from HEAD
including OMAP and BCM53xx support.

sync with head

Rework VFP support to use PCU.
Add emulation of instruction which save/restore the VFP FPSCR.
Add a sysarch hook to VFP FPSCR manipulation.

[The emulation will be used by libc to store/fetch exception modes and
rounding mode on a per-thread basis.]

sync with head

Don't return ENOSYS if nothing needs to be done for the CPU.

XXX Shouldn't this be a runtime test on the CPU?

dependant -> dependent

Sync with HEAD.

sync with head

Don't use the pcb anymore since the user read-only thread and process id
value is now grabbed from l_private.

sync with head

Sync with HEAD.

sync with head.

implement cpu_lwp_setprivate() on several platforms.

Sync with HEAD.

sync with head.

sync with head.

Per discussion with ad, remove most of the #include <sys/sa.h> lines
as they were including sa.h just for the type(s) needed for syscallargs.h.

Instead, create a new file, sys/satypes.h, which contains just the
types needed for syscallargs.h. Yes, there's only one now, but that
may change and it's probably more likely to change if it'd be difficult
to handle. :-)

Per discussion with matt at n dot o, add an include of satypes.h to
sigtypes.h. Upcall handlers are kinda signal handlers, and signalling
is the header file that's already included for syscallargs.h that
closest matches SA.

This shaves about 3000 lines off of the diff of the branch relative
to the base. That also represents about 18% of the total before this
checkin.

I think this reduction is very good thing.

Initial checkin of re-adding SA. Everything except kern_sa.c
compiles in GENERIC for i386. This is still a work-in-progress, but
this checkin covers most of the mechanical work (changing signalling
to be able to accomidate SA's process-wide signalling and re-adding
includes of sys/sa.h and savar.h). Subsequent changes will be much
more interesting.

Also, kern_sa.c has received partial cleanup. There's still more
to do, though.

Merge kernel changes in matt-armv6 to HEAD.

sync with head

sync with HEAD

Sync with HEAD

Sync with HEAD.

Sync with HEAD.

Sync with head.

Convert all the system call entry points from:
    int foo(struct lwp *l, void *v, register_t *retval)
to:
    int foo(struct lwp *l, const struct foo_args *uap, register_t *retval)
Fixup compat code to not write into 'uap' and (in some cases) to actually
pass a correctly formatted 'uap' structure with the right name to the
next routine.
A few 'compat' routines that just call standard ones have been deleted.
All the 'compat' code compiles (along with the kernels required to test
build it).
98% done by automated scripts.

Add AT91 support from Sami Kantoluoto
Add TI OMAP2430 support from Marty Fouts @ Danger Inc

Add pmap_icache_sync_range and change arm32_sync_icache to use it.
This will only invalidate va that have valid PTEs.  This avoids cleaning
unneeded cache lines.

Cleanup (de-__P, ansify)
Use lwp instead of proc (since neither is used).
Use void * instead of char *

sync with head.

Merge newlock2 to head.

Remove support for SA. Ok core@.

merge ktrace-lwp.

Fix the sync with head I botched.

Sync with HEAD.

Sync with HEAD

__KERNEL_RCSID()

Merge the nathanw_sa branch.

catch up with -current on kqueue branch

#include <sys/sa.h> before <sys/syscallargs.h>, to provide sa_upcall_t
now that <sys/param.h> doesn't include <sys/sa.h>.

(Behold the Power of Ed)

Catch up to -current.

Rename the ARM sysarch calls from arm32* -> arm*

Catch up to -current.

Sync w/ -current.

Overhaul of the ARM cache code.  This is mostly a simplification
pass.  Rather than providing a whole slew of cache operations that
aren't ever used, distill them down to some useful primitives:

	icache_sync_all         Synchronize I-cache
	icache_sync_range       Synchronize I-cache range

	dcache_wbinv_all        Write-back and Invalidate D-cache
	dcache_wbinv_range      Write-back and Invalidate D-cache range
	dcache_inv_range        Invalidate D-cache range
	dcache_wb_range         Write-back D-cache range

	idcache_wbinv_all       Write-back and Invalidate D-cache,
				Invalidate I-cache
	idcache_wbinv_range     Write-back and Invalidate D-cache,
				Invalidate I-cache range

Note: This does not yet include an overhaul of the actual asm files
that implement the primitives.  Instead, we've provided a safe default
for each CPU type, and the individual CPU types can now be optimized
one at a time.

More catchup.

Sync kqueue branch with -current.

Make some of the arm32 files build with LOOSE_PROTOTYPES not set in the makefile.  Turned up a few mismatched functions.  Note that this isn't all of the arm32 files.  Aim will be to get arm32 kernels built with LOOSE_PROTOTYPES not set.

Machine-dependent kernel mods for scheduler activations on
32-bit ARM processors.  Kernel boots multi-user on an XScale,
but upcalls not yet tested.

Sync with HEAD.

file sys_machdep.c was added on branch thorpej_scsipi on 2001-03-12 13:27:20 +0000

Move these from arm32/arm32