to only call pckbc_machdep_cnattach() if this is present. This allows
pckbc_machdep_cnattach() to be omitted entirely on most ports, where it only
returns ENXIO anyway.
The devices with this attribute at the moment are pc(4) on i386 and bebox, and
pckbc on sparc, where pckbc_machdep_cnattach() mysteriously returns 0 rather
than ENXIO.
lcd driver can be configured with or without wsdisplay.
With wsdisplay, it supports text mode using rasops in 8bpp or 16bpp.
Without it, users only can mmap(2) the framebuffer.
XXX: 1-, 2-, 4-, or 24- bpp mode is not supported yet.
XXX: S3C24x0's LCD controller can have virtual screen which is bigger
than actual LCD panel. Our wsdisplay framework doesn't have
features to utilize it.
interrupts; some boards actually use those GPIO pins as external
interrupt sources.
Instead, assign soft interrupt bits to on-chip sources which are
not used by the IXP425 port.
the mapped address to leap to completes. This generally manifests
itself as a random exception with RedBoot just after 'go'.
Fix it by adding a data-dependency on the 'ldr' result.
sys/dev/pckbc/files.pckbc." This is true of sparc, so define __HAVE_NWSCONS,
and remove the code in pckbc_machdep_cnattach() that was conditional on its
not being defined and that is no longer needed (since with __HAVE_NWSCONS,
pckbc_cnattach() will call pckbd_cnattach() itself if necessary).
up attached at the same time, and so that they can both prevent the forthcoming
iomdkbc(4) attaching to the keyboard slot.
[ file missed in last commit ]
* detect and store vc2 revision. This is (likely) the important factor in
determining the proper cursor offset, so add a bit of logic that does the
right thing on my revision 0 vc2. This will have to be determined
empirically, revision by revision.
* take a stab at detecting framebuffer depth. SGI does it quite differently,
but their algorithm doesn't work, so we'll do it along the same lines as
linux.
* implement newport_mmap() for use by X. The necessary xsrc commits have been
made (with the notable exception of the config/cf changes, which probably
shouldn't go in until 4.4.0 has been imported).
Added software volume control functionality in vraiu_volume(), called from
vraiu_start(). Can be changed by the mixerctl 'inputs.dac' -- 0 is muted,
255 is the level that the driver previously outputted (quite loud on the
IBM Workpad Z50), and everything else is a smooth transition between the
two. Thanks to toddpw@ for lending me the hardware to test these changes.
the recently introduced files.ppbus.
Also, let the mvme68k port use it's own lpt implementation for now,
so define USE_ALT_LPT option in std.memv68k.
This makes the mvme68k kernels configure and build again.
obmitted resulting in a compilation failure in the autobuilds.
It effectively removes the now redundant reference to "beep.h" and removes
an associated prototype that wasn't used.
RAM a chance to boot. Discussed with soren@, tested on customer's board.
NB: While acceptable as a temporary workaround since most (all?) Cobalt
hardware comes with no less than 16Megs on board, changing a kernel load
address or making a boot loader relocatable could be a better solution.
unknown problem with dcache_inv_range by using a wbinv for now
(similarly for ARM10).
When setting the ARM9 system control register, use the computed
cpuctrlmask value (not 0xffffffff) so that the clocking-mode bits are
not reset to FastBus mode (which isn't very fast).
* Add resolution and depth variables to softc (for use in X driver, although
depth detection is currently problematic),
* Store more information about various chip revisions,
* Implement ioctls to help the X driver detect device presence and geometry.
sp, 64(sp)") on the theory that they're from the function epilogue,
which aggressive code motion has placed before the end of the
function's code.
Addresses my PR port-alpha/23996.
* lpt device is defined in MI place (dev/ppbus/files.ppbus), dev/ic/lpt.c
is included there too; dev/ic/lpt.c is not included if ppbus is
configured or if there is alternative platform lpt (like for pc532)
* g/c MD lpt definitions and custom puc/upc attachments,
glue moved to conf/files and dev/pci/files.pci respectively; remove
device lpt definition from dev/isa/files.isa
* add ppbus parport attribute, atppc device attachments, adjust plip and lpt
glue
interrupts and timer calibration yet is also attached at mainbus).
Introduce the INDY_R4600_CACHE config option, which more accurately describes
the code enabled by this option.
This renders #ifdef IPxx completely obsolete, thus we theoretically can unify
the GENERIC files if a workable load address relocation scheme can be found.
reduced to just a call to switch_exit, g/c the C version and add a one
instruction assembler version that just falls through to switch_exit.
Addresses PR#24007 by Jaromir Dolecek <jdolecek@netbsd> and makes sh3
kernels work again after his elimination of the reaper. Tested on hpcsh.
Just before removing the vector page mapping, switch to the kernel
pmap's L1/vector page mapping so as not to pull the rug out from
under ourselves.
To prevent the stale L1/vector page mapping from being restored by
cpu_switch, replace the relevant fields of the dying process' pcb
with those of lwp0's pcb.
mace devices to their own mace/ directory. Alter conf/files.sgimips to
reflect this change in a sane manner (i.e., pull in dev/files.dev and
mace/files.mace when appropriate).
At the same time, allow crime_intr_establish() to fall through to
mace_intr_establish(). mace devices now call cpu_intr_establish().
While here, do some cosmetic changes:
* sort PCMCIA network interfaces section.
* ksyms is not a wscons related pseudo device, so move it to misc.
* line up scif at shb line, and move related options to be after it.
* move all device-specific bitbanging to the device drivers in question --
i.e., the ip32 init code doesn't access the CRIME registers directly but
instead trusts the CRIME driver to DTRT. machdep.c is cleaner thereby.
* introduce int.c, which handles the interrupt-controller goo formerly
in ip2x.c.
* unify the CPU interrupt handler, with CRIME, INT2, and the various timer
handlers hooked in via pointers in the platform struct.
* eliminate ip2x.c and ip32.c. After the interrupt handler cleanup, the
actual platform-dependent code was so minimal (rev identification, mask level
initialization) that it made sense to move it into machdep.c
* "#ifdef DEBUG printf("foo"); #endif" becomes aprint_debug.
Tested on my ip22 and ip32. Discussed with pooka@, rafal@.
Remove the vestigal sysbeep device and replace it with the same kind of
mechanism that pckbd(4) uses to find the bell, which is just as ugly, but
more standard. Adapt beep(4) to the new world (though I'm not sure it
deserves to live).
child process on fork - it could be overtaken by a signal delivery
and then use the stale condition code in the trap frame.
Instead, set tf_tstate aproprietaly right from the start.
Fixes PR sparc64/20675.
Many thanks to Paul Kranenburg for hints on a similar problem he fixed
for the sparc port.
- delete ktrsyscall32()
- add a check #ifdef _LP64 to do the conversion if P_32 is set to the
standard ktrsyscall()
- add a couple of similar _LP64/P_32 checks to the systrace code.
this should get systrace working for 32 bit apps as well as complete
ktrace support for "trace_enter/trace_exit" using platforms such as amd64.
XXX: systrace isn't supported on sparc64 currently... (it doesn't use
trace_enter/trace_exit, or have it's own calls to systrace_xxx()...)
files for machines I know to have genuine PCI slots. As sent to tech-kern
for feedback in December 2003. Based on feedback, opencrypto is commented
out in the macppc GENERIC (due to absense of GENERIC_SOFTINT support),
and added to the sparc64 config (sys/arch/sparc64/conf/GENERIC32).
The recommended workaround is a 5-10ms delay before and after accesses.
Therefore, move the affected bus_space_* operations from bus.h to bus.c
and special-case MACE accesses.
CRIME accesses are not affected, so introduce SGIMIPS_BUS_SPACE_CRIME and
use it as the CRIME tag.
My ip32 seems a little bit happier with this change, and my ip22 didn't
notice the change.
8-bit VIDC audio. Both Richard Earnshaw and I had guessed that a set
bit was positive (the same as normal mu-law), but the AudioWorks
manual, and Sound_SoundLog on RISC OS, seem to disagree. Change
MULAW_TO_VIDC to match Sound_SoundLog, since the latter is probably
definitive.
this usually isn't necessary since we freed it earlier in pmap_remove_all(),
but since uvmspace_free() is now called in the context of the exiting
process, a new context might be allocated if uvm_unmap_detach() decides
to sleep (since cpu_switch() will allocate a new context when it switches
back to the exiting process).
This makes it possible to define header files on the command line that
might include ${MACHINE} somewhere in the path. This might be used in
evbppc, for example, when defining PPC_PCI_MACHDEP_IMPL as, for example:
PPC_PCI_MACHDEP_IMPL="<arch/evbppc/sandpoint/pci_machdep.h>"
which will be included as
#include PPC_PCI_MACHDEP_IMPL
Prior to this change, the compile would fail trying to include
<arch/evbppc/1/pci_machdep.h>
exit path always calls lwp_exit2()
pointed out Martin Husemann, change reviewed by Chuck Silvers
also update comment with switch_exit() prototype while here
use this in mbus_dmamem_map() to fix corruption of DMA memory.
note that this TLB bit is ignored on some CPUs (PA7100 and probably
others of that era), so this doesn't fix the problem in general,
but it does work on newer models and will make things easier later.
- us/de keymaps based on ite keymaps, converted by Gunther Nikl
(with slight adjustments by me)
- es/fr/sv keymaps similarly based on ite keymaps
- removed the commented out keymaps
- some small fixes to the rest of the existing keymaps
Get rid of the static bus tag, instead move it into the softc.
Update to ThorpeJ's recent variable renaming for ATA things.
De-__P and KNF prototypes, also make attach and probe static.
Add RCSID.
Add a copyright for myself.
is empty besides calling switch_exit(). So, rename switch_exit() to
cpu_exit() and modify the routine to call lwp_exit2() direct.
This saves couple cycles on the exit path.
process context ('reaper').
From within the exiting process context:
* deactivate pmap and free vmspace while we can still block
* introduce MD cpu_lwp_free() - this cleans all MD-specific context (such
as FPU state), and is the last potentially blocking operation;
all of cpu_wait(), and most of cpu_exit(), is now folded into cpu_lwp_free()
* process is now immediatelly marked as zombie and made available for pickup
by parent; the remaining last lwp continues the exit as fully detached
* MI (rather than MD) code bumps uvmexp.swtch, cpu_exit() is now same
for both 'process' and 'lwp' exit
uvm_lwp_exit() is modified to never block; the u-area memory is now
always just linked to the list of available u-areas. Introduce (blocking)
uvm_uarea_drain(), which is called to release the excessive u-area memory;
this is called by parent within wait4(), or by pagedaemon on memory shortage.
uvm_uarea_free() is now private function within uvm_glue.c.
MD process/lwp exit code now always calls lwp_exit2() immediatelly after
switching away from the exiting lwp.
g/c now unneeded routines and variables, including the reaper kernel thread
acccesses with addresses shifted by the amount specified in the cookie.
Also make the inclusion of the wscons file the resposibility of whoever
includes files.iomd. (found while attempting to checking riscstation
support into evbarm)
http://www.simtec.co.uk/products/EB7500ATX/
also available with RISC-OS as a RiscStation:
http://www.riscstation.co.uk/html/products.html
This is basic bootstrap with support for ide and networking, currently only
tested with booting from ABLE, and not RISC-OS.
I would have placed it into evbarm, but iomd doesn't appear to use the same
interrupt files as evbarm. I'll check it into here for now, until iomd
uses the common interrupt code.
fit inside one memory chunk.
Leave 1 page before kernel untouched as that's where our initial kernel
stack before we switch to proc0 stack is (fixes boot problems on my Indy
with small kernels).
an offset between ss_sp and struct sa_stackinfo_t (located in struct
__pthread_st) when calling sa_register. The kernel increments the
sast_gen counter in struct sastack when an upcall stack is used.
libpthread increments the sasi_stackgen counter in struct
sa_stackinfo_t when an upcall stack is freed. The kernel compares the
two counters to decide if a stack is free or in use.
- add struct sa_stackinfo_t with sasi_stackgen to count stack use in
userland
- add sast_gen to struct sastack to count stack use in kernel
- add SA_FLAG_STACKINFO to enable the stackinfo_offset argument in the
sa_register syscall
- add sa_stackinfo_offset to struct sadata for offset between ss_sp
and struct sa_stackinfo_t
- add ssize_t stackinfo_offset argument to sa_register, initialize
struct sadata's sa_stackinfo_offset from it if SA_FLAG_STACKINFO is
set
- add sa_getstack, sa_getstack0, sa_stackused and sa_setstackfree
functions to find/use/free upcall stacks and use these where
appropriate
- don't record stack for upcall in sa_upcall0
- pass sau to sa_switchcall instead of l2 (l2 = curlwp in sa_switchcall)
- add sa_vp_blocker to struct sadata to pass recently blocked lwp to
sa_switchcall
- delay finding a stack for blocked upcalls to sa_switchcall
- add sa_stacknext to struct sadata pointing to next most likely free
upcall stack; also g/c sa_stackslist in struct sadata and sast_list
in struct sastack
- add L_SA_WOKEN flag: LWP is on sa_woken queue
- add L_SA_RECYCLE flag: LWP should be recycled in sa_setwoken
- replace l_upcallstack with L_SA_WOKEN/L_SA_RECYCLE/L_SA_BLOCKING
flags
- g/c now unused sast_blocker in struct sastack
- make sa_switchcall, sa_upcall0 and sa_upcall_getstate static in
kern_sa.c
- call sa_upcall_userret only once in userret
- split sa_makeupcalls out of sa_upcall_userret and use to process
the sa_upcalls queue
- on process exit: mark LWPs sleeping in saunblock interruptible; also
there are no LWPs sleeping on l->l_upcallstack anymore; also clear
sa_wokenq_head to prevent unblocked upcalls
additional changes:
- cleanup timerupcall sa_vp == curlwp check
- add check in sa_yield if we didn't block on our way here and we
wouldn't any longer be the LWP on the VP
- invalidate sa_vp_ofaultaddr after resolving pagefault
is naughty even if it does work), find out the complete list of physical pages
we'll have to DMA from in vidcaudio_trigger_output() and save it for use by
the interrupt handler.
- wdc_xfer to ata_xfer
- channel_queue to ata_queue
and move them to <dev/ata/atavar.h> so they can be used by non-wdc ATA
controllers. Clean up the member names of these structures while at it.
