Commit Graph

871 Commits

Author SHA1 Message Date
Jake Burkholder
5b412c08c2 Remove an unused macro. 2002-10-26 17:36:37 +00:00
Peter Wemm
c69d7e2f4f Add COMPAT_FREEBSD4 for the transition. COMPAT_43 was already present. 2002-10-26 04:57:19 +00:00
Peter Wemm
23eeeff7be Split 4.x and 5.x signal handling so that we can keep 4.x signal
handling clean and functional as 5.x evolves.  This allows some of the
nasty bandaids in the 5.x codepaths to be unwound.

Encapsulate 4.x signal handling under COMPAT_FREEBSD4 (there is an
anti-foot-shooting measure in place, 5.x folks need this for a while) and
finish encapsulating the older stuff under COMPAT_43.  Since the ancient
stuff is required on alpha (longjmp(3) passes a 'struct osigcontext *'
to the current sigreturn(2), instead of the 'ucontext_t *' that sigreturn
is supposed to take), add a compile time check to prevent foot shooting
there too.  Add uniform COMPAT_43 stubs for ia64/sparc64/powerpc.

Tested on: i386, alpha, ia64.  Compiled on sparc64 (a few days ago).
Approved by: re
2002-10-25 19:10:58 +00:00
Thomas Moestl
db44ef5176 Initialize tick_MHz and related variables much earlier. After the last
revision of tick.c, this was done at SI_SUB_CLOCKS, which is too late
because tick_MHz is required for DELAY() to work.

Reviewed by:	jake
2002-10-25 17:42:14 +00:00
Thomas Moestl
736b63df0d Fix iommu_dvmamap_sync() to use the right address when flushing the
streaming cache. This bug could have the potential to cause data
corruption on systems with Psycho U2P bridges (Sabre bridges have no
streaming cache).
However, due to the usual driver architecture, it is believed that
corruption did occur only in rare cases (if at all).
2002-10-25 17:31:31 +00:00
Jake Burkholder
4d961d24e1 Greatly improve readability of trap() by using a table to convert between
trap types and signals to send.  Rearrange KASSERTs to better handle faults
early before curthread is setup, or in the case that it gets corrupted or
set to 0.
2002-10-25 16:00:47 +00:00
Jake Burkholder
81784fad7a Minor cleanups.
- use fields in sysent instead of PS_STRINGS
- set TSTATE_PRIV in frame0.tf_tstate for what its worth
2002-10-25 06:26:34 +00:00
Julian Elischer
1434d3fe6f Extract out KSE specific code from machine specific code
so that there is ony one copy of it. Fix that one copy
so that KSEs with no mailbox in a KSE program are not a cause
of page faults (this can legitmatly happen).

Submitted by:	(parts) davidxu
2002-10-24 23:09:48 +00:00
John Baldwin
b6ca678e32 We always need sys/pcpu.h now, not just for the SMP case.
Approved by:	jake
2002-10-23 20:18:33 +00:00
Poul-Henning Kamp
bcc4e90a1b Remove NO_GEOM from sparc64.
Reminded by:	jhb
2002-10-23 18:27:37 +00:00
Jake Burkholder
bb56f27799 - Expand struct trapframe to 256 bytes, make all fields fixed width and the
same size.  Add some fields that previously overlapped with something else
  or were missing.
- Make struct regs and struct mcontext (minus floating point) the same as
  struct trapframe so converting between them is easy (null).
- Add space for saving floating point state to struct mcontext.  This requires
  that it be 64 byte aligned.
- Add assertions that none of these structures change size, as they are part
  of the ABI.
- Remove some dead code in sendsig().
- Save and restore %gsr in struct trapframe.  Remember to restore %fsr.
- Add some comments to exception.S.
2002-10-22 18:03:15 +00:00
Jake Burkholder
069604aa96 Start tick at the correct time (cpu_init_clocks), instead of cpu_startup. 2002-10-22 07:10:15 +00:00
Maxime Henrion
822b4f22fb Set kernelname in sparc64_init() so that the kern.bootfile
sysctl works.  This stuff should probably be made MI.

Reviewed by:	jake
2002-10-20 21:55:35 +00:00
Thomas Moestl
10a3514a2e Use microuptime() instead of microtime() to bound the flush wait to
avoid hiccups in case of system time adjustment.
2002-10-20 19:41:21 +00:00
Thomas Moestl
e381d2455b Add kernel dump support, based on the ia64 version (which was committed
as sparc64/sparc64/dump_machdep.c a while back).
Other than ia64 (which uses ELF), sparc64 uses a homegrown format for
the dumps (headers are required because the physical address and size of
the tsb must be noted, and because physical memory may be discontiguous);
ELF would not offer any advantages here.

Reviewed by:	jake
2002-10-20 17:03:15 +00:00
Alan Cox
6f36eba2da - Lock page queue accesses in pmap_release(). 2002-10-20 07:19:25 +00:00
Marcel Moolenaar
1aeb23cdfa Add two hooks to signal module load and module unload to MD code.
The primary reason for this is to allow MD code to process machine
specific attributes, segments or sections in the ELF file and
update machine specific state accordingly. An immediate use of this
is in the ia64 port where unwind information is updated to allow
debugging and tracing in/across modules. Note that this commit
does not add the functionality to the ia64 port. See revision 1.9
of ia64/ia64/elf_machdep.c.

Validated on: alpha, i386, ia64
2002-10-19 19:16:03 +00:00
Robert Watson
c7063e5913 Permits UFS ACLs to be used with the GENERIC kernel. Due to recent
ACL configuration changes, this shouldn't result in different code paths
for file systems not explicitly configured for ACLs by the system
administrator.  For UFS1, administrators must still recompile their
kernel to add support for extended attributes; for UFS2, it's sufficient
to enable ACLs using tunefs or at mount-time (tunefs preferred for
reliability reasons).  UFS2, for a variety of reasons, including
performance and reliability, is the preferred file system for use with
ACLs.

Approved by:	re
2002-10-19 16:54:15 +00:00
Thomas Moestl
50d97927da Explicitely specify an alignment for struct pcb. While all regular pcb's
are positioned and aligned by md code, dumppcb is just a static
variable and requires this.
2002-10-19 15:54:34 +00:00
Thomas Moestl
61ef27e978 When entering the firmware mappings into the kernel tlb, clear all 'soft'
bits that might be set in the firmware tte data field, and set the soft
flag TD_EXEC to mark the page executable. Failing to do the latter would
cause fatal instruction faults in the prom in certain situations.

Reviewed by:	jake
2002-10-17 18:16:21 +00:00
Thomas Moestl
7c3563be7b Add "pci108e,8000" (psycho) and "pci108e,a000" (US-IIi sabre) to the list of
recognized compat properties. This should make the psycho driver attach
properly on SPARCengine Ultra AX machines.
Switch to a table-driven logic to recognize the ID's, since their number
is now large enough to justify this.

These changes are analogous to those made in NetBSD r.1.35, but
implemented a bit differently.
2002-10-16 17:37:50 +00:00
Thomas Moestl
69593fa999 Use a linked list to keep the psycho softcs instead of a statically
sized array.
While being there, deuglify the psycho pair detection loop which became
quite awkward in a previous code reorganization.
2002-10-16 17:03:36 +00:00
Peter Wemm
af3f249f3a The a.out md_coredump stuff isn't referenced anywhere anymore, and
hasn't been filled in for ages..  Nuked.
2002-10-15 00:02:50 +00:00
Mike Barcroft
4275e0d98d Remove the P1003_1B kernel option; it is no longer used. 2002-10-13 16:29:17 +00:00
Mike Barcroft
af103111f0 #ifdef _KERNEL not #if _KERNEL.
Pointy hat to:	mike
2002-10-13 12:33:38 +00:00
Mike Barcroft
7a77412855 Add standards visibility conditionals. Change any uses of sigset_t to
struct __sigset to avoid depending on objects from <sys/signal.h>.
2002-10-13 00:31:46 +00:00
Jake Burkholder
17e0698b5e Removed unused tl0_syscall. 2002-10-12 23:43:04 +00:00
Mike Barcroft
ddb056b7d4 Add conditionals to allow va_list to be defined in other headers. 2002-10-06 22:02:06 +00:00
Mike Barcroft
0b058e3cbd o Add conditionals to allow va_list to be defined in other headers.
o Standardize on _MACHINE_STDARG_H_ to allow multiple header includes.
o Restrict the definition of va_copy() to C99 environments.
2002-10-06 22:01:07 +00:00
Maxime Henrion
00a3bdc19a Add two extern's for adjkerntz and wall_cmos_clock, all other
archs have them there, alghough the variable are declared in
subr_clock.c.  These should probably be moved into some MI
place.

Approved by:	jake
2002-10-05 20:14:49 +00:00
Poul-Henning Kamp
3bd6561289 NB: This commit does *NOT* make GEOM the default in FreeBSD
NB: But it will enable it in all kernels not having options "NO_GEOM"

Put the GEOM related options into the intended order.

Add "options NO_GEOM" to all kernel configs apart from NOTES.

In some order of controlled fashion, the NO_GEOM options will be
removed, architecture by architecture in the coming days.

There are currently three known issues which may force people to
need the NO_GEOM option:

boot0cfg/fdisk:
        Tries to update the MBR while it is being used to control
        slices.  GEOM does not allow this as a direct operation.

SCSI floppy drives:
        Appearantly the scsi-da driver return "EBUSY" if no media
        is inserted.  This is wrong, it should return ENXIO.

PC98:
        It is unclear if GEOM correctly recognizes all variants of
        PC98 disklabels.  (Help Wanted!  I have neither docs nor HW)

These issues are all being worked.

Sponsored by:	DARPA & NAI Labs.
2002-10-05 16:35:33 +00:00
Mike Barcroft
e61d3b10d7 Fix namespace issues by using visibility conditionals from
<sys/cdefs.h>.
2002-10-05 05:47:56 +00:00
Mike Barcroft
085f8416a2 style(9) <machine/setjmp.h> headers so they look mostly the same. 2002-10-04 22:10:06 +00:00
Sam Leffler
14c17bd293 New bus_dma interfaces for use by crypto device drivers:
o bus_dmamap_load_mbuf
o bus_dmamap_load_uio

Test on i386.  Known to compile on alpha and sparc64, but not tested.
Otherwise untried.
2002-10-04 20:40:39 +00:00
Scott Long
316ec49abd Some kernel threads try to do significant work, and the default KSTACK_PAGES
doesn't give them enough stack to do much before blowing away the pcb.
This adds MI and MD code to allow the allocation of an alternate kstack
who's size can be speficied when calling kthread_create.  Passing the
value 0 prevents the alternate kstack from being created.  Note that the
ia64 MD code is missing for now, and PowerPC was only partially written
due to the pmap.c being incomplete there.
Though this patch does not modify anything to make use of the alternate
kstack, acpi and usb are good candidates.

Reviewed by:	jake, peter, jhb
2002-10-02 07:44:29 +00:00
Jake Burkholder
f164b09f13 Remove options NO_MODULES=true. Lots of modules build, but may not load
or work properly.  MAC modules work at least :).
2002-10-02 01:33:50 +00:00
Jake Burkholder
689cd8eeb8 Convert the bus space accessors from macros to inlines. This fixes some
problems with drivers that expect functions rather than function like
macros.

Reviewed by:	tmm
2002-10-01 16:32:09 +00:00
Jake Burkholder
eade9db908 Get rid of the TODO macro in the few places that still need work; either
comment it out or change to explicit panics.  It conflicts with things
like #if TODO in drivers.
2002-10-01 06:34:21 +00:00
Jake Burkholder
e557d82ace Add needed include of queue.h. 2002-10-01 02:50:26 +00:00
Jake Burkholder
c7f73b67b5 Use M_NOWAIT instead of M_WAITOK when allocating dmamaps; the allocations
functions may be called from a device strategy routine when sleeping is
bad.

Submitted by:	phk
Reviewed by:	tmm
2002-10-01 00:17:39 +00:00
Jake Burkholder
3297e8c990 Renamed intr_enqueue to intr_vector and intr_dequeue to intr_fast, to
better reflect how they are called.
2002-09-28 03:06:35 +00:00
Jake Burkholder
091c1e1acf Moved most interrupt related code to a new file, interrupt.S. 2002-09-28 01:56:24 +00:00
Jake Burkholder
169d513cb4 Add a workaround for what seems to be confusion between binutils and the
sparc v9 ABI.  The Elf_Rela records for local symbols appear to already
have the symbol's value added in to the addend field, even though the ABI
specifies we need to lookup the symbol and add its value too.  This breaks
text relocations in klds because the symbol's value is added twice, and
the resulting address points off into nowhere land, so for now just use
the addend.

Tested by:	rwatson
2002-09-27 23:12:53 +00:00
Jake Burkholder
7576c7c9c2 Removed debug code. 2002-09-25 01:13:46 +00:00
Jake Burkholder
338ca1a4ef Pass the function to call (trap or syscall) to tl0_trap and tl1_trap in %o2. 2002-09-25 00:26:04 +00:00
Jake Burkholder
9bf558ba57 Rearrange tl1_trap slightly, also save and restore the out registers so
that instruction emulation is possible in kernel mode.
2002-09-24 23:22:42 +00:00
Jake Burkholder
a3eed4ea5e Allocate stack space for the trapframe along with the normal register
frame in the save instruction, rather than doing a separate sub.
2002-09-24 22:19:20 +00:00
Jake Burkholder
e191c83fd4 Split user trap processing out into a separate routine so that traps which
never result in user traps don't have to plow through it.
2002-09-24 16:42:18 +00:00
Mike Barcroft
c0d4804d67 Be careful not to define GCC-specific optimizations in the non-GCC
case.
2002-09-23 04:32:17 +00:00
Jake Burkholder
95f5cd52bc Call trap directly for exceptional cases that need more processing on
return to usermode, rather than branching back to a label before the
original call.
2002-09-22 06:51:41 +00:00
Jake Burkholder
04474d7f0b Remove unneeded opt headers.
Noticed by:	benno
2002-09-22 01:34:33 +00:00
Benno Rice
be0e6bfc0b It's Apple GMAC, not HMAC.
Approved by:	jake (for sparc64)
2002-09-22 01:18:06 +00:00
Jake Burkholder
abc370fa85 Moved nfs_diskless setup code from autoconf.c to nfsclient/nfs_diskless.c
so that it is MI.  Allow nfs_mountroot to return an error if the nfs_diskless
struct is not valid, rather than panicing later on.  Call nfs_setup_diskless()
from nfs_mountroot if NFS_ROOT is defined, like bootpc_init().  Removed legacy
root mount support for sparc64, and enabled NFS_ROOT by default.
2002-09-22 00:59:02 +00:00
Maxime Henrion
f30120c393 Don't include opt_bus.h here, it breaks stuff trying to
include machine/bus.h.

Reviewed by:	tmm
2002-09-21 18:12:00 +00:00
John Baldwin
118ee2b4d5 Use correct function name in previous commit.
Submitted by:	jake
Pointy hat to:	jhb
2002-09-19 19:51:56 +00:00
John Baldwin
c79408a059 Implement db_print_backtrace() if DDB is compiled into the kernel. This
MD function is just a wrapper around db_stack_trace_cmd() that prints out
a backtrace of curthread.  Currently, this function is only implemented
on i386 and alpha (and the alpha version isn't quite tested yet, will do
that in a bit).  Other changes:

- For i386, fix a bug in the raw frame address case.  The eip we extract
  from the passed in frame address does not match the frame we received.
  Thus, instead of printing a bogus frame with the wrong eip, go ahead
  and advance frame down to the same frame as the eip we are using.
- For alpha, attempt to add a way of doing a raw trace for alpha.  Instead
  of passing a frame address in 'addr', pass in a pointer to a structure
  containing PC and KSP and use those to start the backtrace.  The alpha
  db_print_backtrace() uses asm to read in the current PC and KSP values
  into such a request.

Tested on:	i386
Requested by:	many
2002-09-19 18:46:29 +00:00
Mike Barcroft
86954511d2 Implement C99's va_copy() macro. 2002-09-18 07:33:16 +00:00
Jake Burkholder
9cf08dec12 Fix standard kse breakge of non-x86 platforms. sigh.
Pointy hat to:	kse
2002-09-17 16:21:48 +00:00
Peter Wemm
66422f5b7a Initiate deorbit burn for the i386-only a.out related support. Moves are
under way to move the remnants of the a.out toolchain to ports.  As the
comment in src/Makefile said, this stuff is deprecated and one should not
expect this to remain beyond 4.0-REL.  It has already lasted WAY beyond
that.

Notable exceptions:
gcc - I have not touched the a.out generation stuff there.
ldd/ldconfig - still have some code to interface with a.out rtld.
old as/ld/etc - I have not removed these yet, pending their move to ports.
some includes - necessary for ldd/ldconfig for now.

Tested on: i386 (extensively), alpha
2002-09-17 01:49:00 +00:00
Julian Elischer
4f0db5e08c Allocate KSEs and KSEGRPs separatly and remove them from the proc structure.
next step is to allow > 1 to be allocated per process. This would give
multi-processor threads. (when the rest of the infrastructure is
in place)

While doing this I noticed libkvm and sys/kern/kern_proc.c:fill_kinfo_proc
are diverging more than they should.. corrective action needed soon.
2002-09-15 23:52:25 +00:00
Thomas Moestl
ac9e4b5aea Use the definitions in machine/fsr.h instead of duplicating these magic
numbers here (the values need to correspond to the %fsr ones for some
libc functions to work right).
2002-09-14 18:00:44 +00:00
Thomas Moestl
351c67842f Clean up a bit, and add some more macros to access %fsr fields. 2002-09-14 17:58:54 +00:00
Juli Mallett
77c70ade18 Fill out two fields (si_pid, si_uid) in the siginfo structure handed back
to userland in the signal handler that were not being iflled out before, but
should and can be.

This part of sendsig could be slightly refactored to use an MI interface, or
ideally, *sendsig*() would have an API change to accept a siginfo_t, which
would be filled out by an MI function in the level above sendsig, and said MI
function would make a small call into MD code to fill out the MD parts (some
of which may be bogus, such as the si_addr stuff in some places).  This would
eventually make it possible for parts of the kernel sending signals to set up
a siginfo with meaningful information.

Reviewed by:	mux
MFC after:	2 weeks
2002-09-07 19:12:53 +00:00
Mike Barcroft
dd1b6791a8 Now that _BSD_CLK_TCK_ and _BSD_CLOCKS_PER_SEC_ are the same on all
architectures, move the definition directly into <time.h> and finish
the removal of <machine/ansi.h>.
2002-09-03 00:06:58 +00:00
Jake Burkholder
65be42f64d Remove an unneeded PROC_LOCK, which caused lock recursion panics.
Print a warning about old applications with no signal trampoline.

Reported by:	marius@alchemy.franken.de
2002-09-02 23:46:13 +00:00
Mike Barcroft
d0a18151c9 Align _BSD_CLK_TCK_ and _BSD_CLOCKS_PER_SEC_ with most other
platforms.  This introduces some binary incompatibilities for
dynamically linked programs which make use of clock(3) and times(3).

Approved by:	jake
2002-09-02 22:40:56 +00:00
Jake Burkholder
f36ba45234 Added fields for VM_MIN_ADDRESS, PS_STRINGS and stack protections to
sysentvec.  Initialized all fields of all sysentvecs, which will allow
them to be used instead of constants in more places.  Provided stack
fixup routines for emulations that previously used the default.
2002-09-01 21:41:24 +00:00
Peter Wemm
447b3772dc Change hw.physmem and hw.usermem to unsigned long like they used to be
in the original hardwired sysctl implementation.

The buf size calculator still overflows an integer on machines with large
KVA (eg: ia64) where the number of pages does not fit into an int.  Use
'long' there.

Change Maxmem and physmem and related variables to 'long', mostly for
completeness.  Machines are not likely to overflow 'int' pages in the
near term, but then again, 640K ought to be enough for anybody.  This
comes for free on 32 bit machines, so why not?
2002-08-30 04:04:37 +00:00
Jake Burkholder
bafbd49201 Renamed poorly named setregs to exec_setregs. Moved its prototype to
imgact.h with the other exec support functions.
2002-08-29 06:17:48 +00:00
Jake Burkholder
16d7d18097 Minor cleanup. 2002-08-29 02:39:39 +00:00
Jake Burkholder
0654f7911f Removed legacy signal trampoline. 2002-08-29 01:59:54 +00:00
Jake Burkholder
4fc642a3d9 Removed support for in-kernel signal code. 2002-08-29 01:55:24 +00:00
Alan Cox
6508a194aa o Retire pmap_pageable(). It's an advisory routine that none
of our platforms implements.
2002-08-25 04:20:05 +00:00
Mike Barcroft
bd8e0716d9 Move several MI types from <machine/_types.h> to <sys/_types.h>.
These types are unlikely to ever become very MD.  They include:
clockid_t, ct_rune_t, fflags_t, intrmask_t, mbstate_t, off_t, pid_t,
rune_t, socklen_t, timer_t, wchar_t, and wint_t.

While moving them, make a few adjustments (submitted by bde):
o __ct_rune_t needs to be precisely `int', not necessarily __int32_t,
  since the arg type of the ctype functions is int.
o __rune_t, __wchar_t and __wint_t inherit this via a typedef of
  __ct_rune_t.
o Some minor wording changes in the comment blocks for ct_rune_t and
  mbstate_t.

Submitted by:	bde (partially)
2002-08-23 16:49:06 +00:00
Jake Burkholder
0b0fe2194d Removed unneeded include of machine/types.h (which no longer exists). 2002-08-23 05:01:19 +00:00
Mike Barcroft
abbd890233 o Merge <machine/ansi.h> and <machine/types.h> into a new header
called <machine/_types.h>.
o <machine/ansi.h> will continue to live so it can define MD clock
  macros, which are only MD because of gratuitous differences between
  architectures.
o Change all headers to make use of this.  This mainly involves
  changing:
    #ifdef _BSD_FOO_T_
    typedef	_BSD_FOO_T_	foo_t;
    #undef _BSD_FOO_T_
    #endif
  to:
    #ifndef _FOO_T_DECLARED
    typedef	__foo_t	foo_t;
    #define	_FOO_T_DECLARED
    #endif

Concept by:	bde
Reviewed by:	jake, obrien
2002-08-21 16:20:02 +00:00
Peter Wemm
f453022cd9 remove unit counts from atkbdc, pckbd, sc 2002-08-20 00:10:22 +00:00
Maxime Henrion
44b4810fbe Typo fix.
Reviewed by:	tmm
2002-08-19 22:57:32 +00:00
Jake Burkholder
6d9acb27b1 Fix warning. These structs should probably be removed altogether. 2002-08-18 03:05:55 +00:00
Jake Burkholder
789573a63e Forgot this in last commit. 2002-08-18 02:33:52 +00:00
Jake Burkholder
8b53c815ec Add pmap support for user mappings of multiple page sizes (super pages).
This supports all hardware page sizes (8K, 64K, 512K, 4MB), but only 8k
pages are actually used as of yet.
2002-08-18 02:09:27 +00:00
Jake Burkholder
83d5cede4f Use symbolic constants instead of magic address constants. 2002-08-16 01:37:49 +00:00
Jake Burkholder
6856ac3294 Minor style. Removed unused declaration. 2002-08-16 01:35:00 +00:00
Jake Burkholder
51d5509a62 Removed unneeded pmap_initialized flag. 2002-08-16 01:33:03 +00:00
Jake Burkholder
6df1fae014 Demark sections of code that need special fault handling with labels.
Check if the trapped pc is inside of the demarked sections to implement
fault recovery for copyin etc, instead of pcb_onfault.  Handle recovery
from data access exceptions as well as page faults.

Inspired by:	bde's sys.dif
2002-08-16 00:57:37 +00:00
Jake Burkholder
0db0a7019c Fix some confusion regarding traps that use mmu globals but don't really
have any reason to; force alternat globals instead, which is what we want.
2002-08-15 05:46:42 +00:00
Jake Burkholder
b5d2ed3047 Store the number of itlb and dtlb entries separately; they may be different.
Find the prom node for the boot cpu earlier and store it in the per-cpu
area, so that cache_init can be called earlier.
2002-08-15 05:24:55 +00:00
Jake Burkholder
ed5434f0e3 Set kernel_vm_end. Panic if we try to grow the kernel. 2002-08-14 15:05:26 +00:00
Matt Jacob
9b63136347 Add support for the LSI-Logic Fusion/MP architecture.
This is an architecture that present a thing message passing interface
to the OS. You can query as to how many ports and what kind are attached
and enable them and so on.

A less grand view is that this is just another way to package SCSI (SPI or
FC) and FC-IP into a one-driver interface set.

This driver support the following hardware:

LSI FC909:	Single channel, 1Gbps, Fibre Channel (FC-SCSI only)
LSI FC929:	Dual Channel, 1-2Gbps, Fibre Channel (FC-SCSI only)
LSI 53c1020:	Single Channel, Ultra4 (320M) (Untested)
LSI 53c1030:	Dual Channel, Ultra4 (320M)

Currently it's in fair shape, but expect a lot of changes over the
next few weeks as it stabilizes.

Credits:

The driver is mostly from some folks from Jeff Roberson's company- I've
been slowly migrating it to broader support that I it came to me as.

The hardware used in developing support came from:

	FC909: LSI-Logic, Advansys (now Connetix)
	FC929: LSI-Logic
	53c1030: Antares Microsystems (they make a very fine board!)

MFC after:	3 weeks
2002-08-11 23:34:20 +00:00
Jake Burkholder
5aebb40291 Auto size available kernel virtual address space based on phsyical memory
size.  This avoids blowing out kva in kmeminit() on large memory machines
(4 gigs or more).

Reviewed by:	tmm
2002-08-10 22:14:16 +00:00
Alan Cox
10864380ab o Remove the setting and clearing of the PG_MAPPED flag. (This flag is
obsolete.)
2002-08-10 17:14:14 +00:00
Brooks Davis
05c872ad62 Make ppp(4) devices clonable and unloadable. 2002-08-09 15:30:48 +00:00
Alan Cox
33559722db o Introduce pmap_page_is_mapped(). Its purpose is to obsolete
the PG_MAPPED flag.
2002-08-07 18:03:00 +00:00
Alan Cox
7ffcf9ec77 o Don't set PG_MAPPED or PG_WRITEABLE when a page is mapped
using pmap_kenter() or pmap_qenter().
 o Use VM_ALLOC_WIRED in pmap_new_thread().
2002-08-05 00:04:18 +00:00
Jake Burkholder
ab1cee3d3d se -> sab. 2002-08-04 19:07:15 +00:00
Jake Burkholder
4fbe520926 Forgot to commit this.
Spotted by:	scottl
2002-08-01 21:39:54 +00:00
Marc Fonvieille
c0727dcbfe Fix the link to the Handbook 2002-08-01 17:21:18 +00:00
Jake Burkholder
256e0b2bbb Modify the cache handling code to assume 2 virtual colours, which is much
simpler and easier to get right.  Add comments.  Add more statistic
gathering on cacheable and uncacheable mappings.
2002-08-01 00:16:22 +00:00
Jake Burkholder
b519494ef1 Add some statistic gathering for cache flushes. 2002-07-31 23:39:50 +00:00
Jake Burkholder
055ca86c52 These file are no longer used (moved to userland and/or merged into
pmap.c).
2002-07-31 16:23:27 +00:00
Jake Burkholder
da1416c80c These were repo-copied to have a .S extension. 2002-07-31 15:56:15 +00:00
Jake Burkholder
61f869600d Add definitions for statistical and high-resolution profiling. The calling
conventions for _mcount and __cyg_profile_func_enter are different, so
statistical profiling kernels build and link but don't actually work.
IWBNI one could tell gcc to only generate calls to the former.

Define uintfptr_t properly for userland, but not for the kernel (I hope).
2002-07-30 06:14:34 +00:00
Jake Burkholder
c465faf9d4 The data cache on UltraSPARC III is not directly mapped, so don't assert
that.  This breaks assumptions made by some of the cache flushing code,
but UltraSPARC III has different methods for invalidating cache lines
anyway.
2002-07-30 05:48:33 +00:00
Jake Burkholder
4cfeb177e8 Panic if the data cache has too many virtual colors (more than 2). 2002-07-30 04:19:07 +00:00
Jake Burkholder
7968e6d2b2 Use _ALIGN_DATA and _ALIGN_TEXT. 2002-07-30 02:27:24 +00:00
Mike Barcroft
49545b3891 Create a new header <machine/_stdint.h> for storing MD parts of
<stdint.h>.  Previously, parts were defined in <machine/ansi.h> and
<machine/limits.h>.  This resulted in two problems:
  (1) Defining macros in <machine/ansi.h> gets in the way of that
      header only defining types.
  (2) Defining C99 limits in <machine/limits.h> adds pollution to
      <limits.h>.
2002-07-29 17:41:23 +00:00
Jake Burkholder
55328d51ba Add routines needed for high resolution profiling. 2002-07-29 00:45:13 +00:00
Jake Burkholder
fa4a902a13 Add a symbol for btext. 2002-07-29 00:42:00 +00:00
Jake Burkholder
7cde6cc16c Remove a stale comment. 2002-07-29 00:40:48 +00:00
Jake Burkholder
edfdadb6c3 Use _ALIGN_TEXT. Implement __cyg_profile_func_enter and
__cyg_profile_func_exit for GUPROF.
2002-07-29 00:39:46 +00:00
Jake Burkholder
d40e229819 Add _ALIGN_DATA and _ALIGN_TEXT macros. 2002-07-29 00:38:07 +00:00
Jake Burkholder
45b84327f9 Remove some stuff that snuck in last commit. 2002-07-29 00:37:05 +00:00
Jake Burkholder
b44ba1a844 Fix a bug introduced in previous commit. Due to the interaction of the
direct physical mappings with virtual page colour, we need to flush the
data cache when a page changes colour.  I missed one case which broke
pipes.
2002-07-28 19:15:34 +00:00
Mike Barcroft
7a415ec906 Revert the previous delta; uintfptr_t needs to be available to
userland for libc/gmon to compile, so the typedef in <machine/types.h>
isn't good enough.  This is really ugly since we end up with the
actual value which uintfptr_t is typedef'd from, in multiple places.
This is bug for bug compatible with the other FreeBSD architectures.

Noticed by:	sparc64 tinderbox
2002-07-28 15:59:51 +00:00
Jake Burkholder
839b2e106a Add declarations for btext and etext. 2002-07-28 01:01:14 +00:00
Jake Burkholder
7d8a5be3ea uintfptr_t has moved to machine/types.h. 2002-07-27 23:36:51 +00:00
Jake Burkholder
30bbe52432 Implement a direct mapped address region, like alpha and ia64. This
basically maps all of physical memory 1:1 to a range of virtual addresses
outside of normal kva.  The advantage of doing this instead of accessing
phsyical addresses directly is that memory accesses will go through the
data cache, and will participate in the normal cache coherency algorithm
for invalidating lines in our own and in other cpus' data caches.  So
we don't have to flush the cache manually or send IPIs to do so on other
cpus.  Also, since the mappings never change, we don't have to flush them
from the tlb manually.
This makes pmap_copy_page and pmap_zero_page MP safe, allowing the idle
zero proc to run outside of giant.

Inspired by:	ia64
2002-07-27 21:57:38 +00:00
Mike Barcroft
601016470b Catch up to rev 1.339 of src/sys/conf/options (PCI_ENABLE_IO_MODES is
now a sysctl and is enabled by default).
2002-07-27 15:28:35 +00:00
Jake Burkholder
dab4349561 Remove the tlb argument to tlb_page_demap (itlb or dtlb), in order to better
match the pmap_invalidate api.
2002-07-26 15:54:04 +00:00
Matt Jacob
1936600631 Set interrupt clear pointer for SBus slots to point to correct spot. 2002-07-25 20:14:59 +00:00
Peter Wemm
b618108fff de-count pci 2002-07-23 06:38:47 +00:00
Peter Wemm
fc147d7fe9 Add explicit unit count on 'device pci' for ahc/ahd 2002-07-21 23:07:31 +00:00
Peter Wemm
3ebc124838 Infrastructure tweaks to allow having both an Elf32 and an Elf64 executable
handler in the kernel at the same time.  Also, allow for the
exec_new_vmspace() code to build a different sized vmspace depending on
the executable environment.  This is a big help for execing i386 binaries
on ia64.   The ELF exec code grows the ability to map partial pages when
there is a page size difference, eg: emulating 4K pages on 8K or 16K
hardware pages.

Flesh out the i386 emulation support for ia64.  At this point, the only
binary that I know of that fails is cvsup, because the cvsup runtime
tries to execute code in pages not marked executable.

Obtained from:  dfr (mostly, many tweaks from me).
2002-07-20 02:56:12 +00:00
John Baldwin
dde0429505 Various comment and minor style fixes. No actual content changes.
Inspired by:	bde
2002-07-16 18:20:17 +00:00
Thomas Moestl
f42d907165 When multiple IOMMUs are present in a system, use a single TSB for all
of them, and couple them by always performing all operations on all
present IOMMUs. This is required because with the current API there
is no way to determine on which bus a busdma operation is performed.

While being there, clean up the iommu code a bit.

This should be a step in the direction of allow some of larger machines
to work; tests have shown that there still seem to be problems left.
2002-07-16 18:17:03 +00:00
Thomas Moestl
1ab480b27b Add new UltraSPARC-III VIS II instructions. 2002-07-16 17:44:01 +00:00
Thomas Moestl
fe905bcb53 Add new LSU bits for UltraSPARC-III. 2002-07-16 16:24:03 +00:00
Thomas Moestl
63ebf186a7 Add ASI definitions of UltraSPARC-III (Cu) processors, and add some
previously missing US-I and II ones.
2002-07-16 16:22:25 +00:00
Alan Cox
9b973ca71f o Lock page queue accesses by vm_page_wire(). 2002-07-14 23:23:47 +00:00
Jake Burkholder
e32cbadc61 Try both upa-portid and portid properties when finding the module id of a
secondary cpu.  Its called portid on UltraSPARCIII machines.
2002-07-14 00:08:58 +00:00
Jake Burkholder
1ff72decea Remove debug code. 2002-07-14 00:01:16 +00:00
Alan Cox
1f54526952 o Complete the locking of page queue accesses by vm_page_unwire().
o Assert that the page queues lock is held in vm_page_unwire().
 o Make vm_page_lock_queues() and vm_page_unlock_queues() visible
   to kernel loadable modules.
2002-07-13 20:55:21 +00:00
Jonathan Mini
08b38412c8 Add additional cred_free_thread() calls that I had missed the first time.
Pointed out by:	jhb
2002-07-13 04:36:50 +00:00
Jake Burkholder
d73b19ef9d Use a fixed address for KERNBASE, so it doesn't change if the size of KVA
is increased.  Its confusing for all the kernel addresses to change, and
doesn't serve much purpose as far as conserving address space.
2002-07-13 03:29:10 +00:00
Jake Burkholder
5d5d3157fb Identify UltraSPARC-III and UltraSPARC-III+ cpus. 2002-07-13 03:23:29 +00:00
John Baldwin
33d7ad1abe Set the thread state of the newly chosen to run thread to TDS_RUNNING in
choosethread() in MI C code instead of doing it in in assembly in all the
various cpu_switch() functions.  This fixes problems on ia64 and sparc64.

Reviewed by:	julian, peter, benno
Tested on:	i386, alpha, sparc64
2002-07-12 18:34:22 +00:00
Thomas Moestl
a935ed4fae When sending cache flushing IPIs, don't try to IPI the triggering CPU
itself; this causes undefined behaviour on UltraSPARCs. In particular,
the interrupt packet data words will not necessarily be delivered
correctly, which would result in a crash.
This bug also caused the cache-flushing work to be done twice on the
triggering CPU (when it did not cause crashes).

Reviewed by:	jake
2002-07-12 16:26:49 +00:00
John Baldwin
78dee2638a thread_exit() requires PROC_LOCK to be held, so lock it. 2002-07-11 22:13:33 +00:00
Mike Barcroft
f889202ba4 Remove label_t and physadr, which seem to have never been used in
FreeBSD.

Submitted by:	bde
2002-07-10 15:47:59 +00:00
Mike Barcroft
ba5fe51088 Move __offsetof() macro from <machine/ansi.h> to <sys/cdefs.h>. It's
hardly MD, since all our platforms share the same macro.  It's not
really compiler dependent either, but this helps in reducing
<machine/ansi.h> to only type definitions.
2002-07-08 16:43:35 +00:00
Peter Wemm
a58b3a6878 Add a special page zero entry point intended to be called via the single
threaded VM pagezero kthread outside of Giant.  For some platforms, this
is really easy since it can just use the direct mapped region.  For others,
IPI sending is involved or there are other issues, so grab Giant when
needed.

We still have preemption issues to deal with, but Alan Cox has an
interesting suggestion on how to minimize the problem on x86.

Use Luigi's hack for preserving the (lack of) priority.

Turn the idle zeroing back on since it can now actually do something useful
outside of Giant in many cases.
2002-07-08 04:24:26 +00:00
Peter Wemm
a136efe9b6 Collect all the (now equivalent) pmap_new_proc/pmap_dispose_proc/
pmap_swapin_proc/pmap_swapout_proc functions from the MD pmap code
and use a single equivalent MI version.  There are other cleanups
needed still.

While here, use the UMA zone hooks to keep a cache of preinitialized
proc structures handy, just like the thread system does.  This eliminates
one dependency on 'struct proc' being persistent even after being freed.
There are some comments about things that can be factored out into
ctor/dtor functions if it is worth it.  For now they are mostly just
doing statistics to get a feel of how it is working.
2002-07-07 23:05:27 +00:00
Peter Wemm
61695d7ac8 Fix (s/proc/thread/) some typos in two panic messages. 2002-07-07 22:50:41 +00:00
Peter Wemm
7b719ec324 Back out proc part of last commit. UMA manages the thread cache only, and
we just have to deal with the kstack when told to.  We do not have a
UMA-managed cache for the proc struct and its associated upage yet.  So,
go back to the old lazy mechanism.  Note that if UMA destroys pages that
used to contain proc structures, we'll lose the corresponding upage
forever.  (zones never did this - once a page was allocated, it stayed
attached to the proc zone forever)
2002-07-05 01:27:35 +00:00
Peter Wemm
0b306e55c6 Take a shot at implementing changes from i386/pmap.c rev 1.328-1.331. 2002-07-05 00:38:43 +00:00
Mike Barcroft
a19d429398 Since printf(3) now supports the `j' conversion specifier, use that
when printing intmax_t and uintmax_t.

Forgotten by:	mike
Noticed by:	bde
2002-06-30 05:48:03 +00:00
Robert Watson
006f19e4f2 Remove ALT_BREAK_TO_DEBUGGER. This was inconsistent (both in form
and function) with existing configuration choices.  Arguably if
ALT_BREAK_TO_DEBUGGER was present, so should have been
BREAK_TO_DEBUGGER.  Regardless, it broke the option sort order in
these kernel configuration files.

Requested by:	bde
2002-06-30 04:12:21 +00:00
Julian Elischer
8540497c50 Fix reverse ordering of locks. add a comment about locks on some platforms.
Submitted by:	jhb@freebsd.org
2002-06-29 23:58:50 +00:00
Julian Elischer
e602ba25fd Part 1 of KSE-III
The ability to schedule multiple threads per process
(one one cpu) by making ALL system calls optionally asynchronous.
to come: ia64 and power-pc patches, patches for gdb, test program (in tools)

Reviewed by:	Almost everyone who counts
	(at various times, peter, jhb, matt, alfred, mini, bernd,
	and a cast of thousands)

	NOTE: this is still Beta code, and contains lots of debugging stuff.
	expect slight instability in signals..
2002-06-29 17:26:22 +00:00
Julian Elischer
44990b8cb8 Add files that are new for KSE. 2002-06-29 07:04:59 +00:00
Jake Burkholder
eecc66a7d2 Fix a deletion during traversal tailq bug. 2002-06-29 06:37:24 +00:00
David E. O'Brien
4f1daba8df Do NOT enable ATA_STATIC_ID -- cmd646 controller will be !ata2!,
and you will not mount an ATA /:
	mountroot> ufs:/ad0a
	Mounting root from ufs:/ad0a
	setrootbyname failed
	ffs_mountroot: can't find rootvp
2002-06-29 04:42:03 +00:00
Peter Wemm
160554fbf4 Remove a couple of __P() stragglers. 2002-06-29 02:32:34 +00:00
Maxime Henrion
0dc658c141 GENERIC now builds with -Werror, so remove NO_WERROR.
Approved by:	jake
2002-06-27 14:43:27 +00:00
Jake Burkholder
218fd301cd pmap_kremove can no longer be used to remove the magic device mappings
installed with pmap_kenter_flags, since the physical addresses may not
have an associated vm_page.  Add a function to do this.

Tested by:	Tomi Vainio <Tomi.Vainio@Sun.COM>
2002-06-25 15:13:09 +00:00
Jake Burkholder
8ba3d077ff Add an MD callout like cpu_exit, but which is called after sched_lock is
obtained, when all other scheduling activity is suspended.  This is needed
on sparc64 to deactivate the vmspace of the exiting process on all cpus.
Otherwise if another unrelated process gets the exact same vmspace structure
allocated to it (same address), its address space will not be activated
properly.  This seems to fix some spontaneous signal 11 problems with smp
on sparc64.
2002-06-24 15:48:02 +00:00
Jonathan Mini
01ad8a53db Remove unused diagnostic function cread_free_thread().
Approved by:	alfred
2002-06-24 06:22:00 +00:00
Maxime Henrion
584884ca0c Add a missing prototype to fix a warning. 2002-06-23 21:29:00 +00:00
Maxime Henrion
a3dc999469 Include machine/critical.h to get missing prototypes.
Reviewed by:	tmm
2002-06-23 14:38:41 +00:00
Jake Burkholder
f5885ad905 Fix a bug related to marking pages virtually uncacheable due to illegal
dcache aliasing.  A page that already had more than 1 mapping of the
same virtual colour would not be correctly uncached.

Noticed by:	Artur Grabowski <art@openbsd.org>
2002-06-22 23:55:15 +00:00
Maxime Henrion
ea8be05a6f Warning fix.
Reviewed by:	peter
2002-06-22 20:46:59 +00:00
Jake Burkholder
4e4c1993b9 {f,s}usword -> {f,s}uword16. Implement {f,s}uword32.
Requested by:	peter
2002-06-20 20:41:57 +00:00
Peter Wemm
b23619e02a Deorbit suibyte(). It was only used for split address space systems
for supporting UIO_USERISPACE (ie: it wasn't used).
2002-06-20 07:13:35 +00:00
Peter Wemm
2f9267ec23 Move the "- 1" into the RQB_FFS(mask) macro itself so that
implementations can provide a base zero ffs function if they wish.
This changes
  #define RQB_FFS(mask) (ffs64(mask))
  foo = RQB_FFS(mask) - 1;
to
  #define RQB_FFS(mask) (ffs64(mask) - 1)
  foo = RQB_FFS(mask);
On some platforms we can get the "- 1" for free, eg: those that use the
C code for ffs64().

Reviewed by:	jake (in principle)
2002-06-20 06:21:20 +00:00
David E. O'Brien
10f80f494c Sync with i386. 2002-06-18 01:11:04 +00:00
Jake Burkholder
e3957e9d67 Add constants for the min and max prom addresses. Use these instead of
magic numbers.  Use stxa_sync instead of stxa; membar #Sync; to ensure
that no instruction is placed between the two.  This can cause random
corruption even though interrupts are already disabled.
2002-06-17 15:44:10 +00:00
Thomas Moestl
5fb49f9fd6 Add PCI bus enumeration and latency timer setup to the sparc64 MD PCI
code. Both tasks are not always performed completely by the firmware.
The former is required to get some e450 models to boot; the latter fixes
the repeated fifo underruns with hme(4)s and gem(4)s observed on some
machines (and probably performance problems with other peripherals as
well).
2002-06-12 19:20:57 +00:00
Jake Burkholder
25be55bdc3 Add code to drop to ddb when a process gets a fatal signal that usually
suggests kernel bugs (4, 10, 11).  Add a sysctl debug.debugger_on_signal
which turns this on and off, default off.
2002-06-08 07:36:28 +00:00
Jake Burkholder
1b5e0369d7 Re-enable SMP by default. 2002-06-08 07:22:36 +00:00
Jake Burkholder
6b3d95e2cf Remove test code. 2002-06-08 07:21:52 +00:00
Jake Burkholder
f5ee661c9b Remove code from trap which is handled in userland now. 2002-06-08 07:17:19 +00:00
Jake Burkholder
acb941ef8f Fix bizarre SMP problems. The secondary cpus sometimes start up with junk
in their tlb which the prom doesn't clear out, so we have to do so manually
before mapping the kernel page table or the cpu can hang due various
conditions which cause undefined behaviour from the tlb.
2002-06-08 07:10:28 +00:00
Jake Burkholder
a682b4e6e7 Comment out options SMP for now until I figure out what's going on. 2002-06-07 15:36:42 +00:00
John Baldwin
99cca534f3 - Fixup / remove obsolete comments.
- ktrace no longer requires Giant so do ktrace syscall events before and
  after acquiring and releasing Giant, respectively.
- For i386, ia32 syscalls on ia64, powerpc, and sparc64, get rid of the
  goto bad hack and instead use the model on ia64 and alpha were we
  skip the actual syscall invocation if error != 0.  This fixes a bug
  where if we the copyin() of the arguments failed for a syscall that
  was not marked MP safe, we would try to release Giant when we had
  not acquired it.
2002-06-07 05:47:35 +00:00
Jake Burkholder
a41c3573fa Use pmap_map instead of pmap_kenter to map the message buffer. Its too
early for pmap_kenter.
2002-06-05 15:36:57 +00:00
Jake Burkholder
e7dc92f0f9 Bump TSB_PAGES_SHIFT to 4. Less sucks too much. 2002-06-04 19:40:45 +00:00
Doug Rabson
99bd783419 Move the definition of ElfN_Hashelt to common headers. The only platform
which has a different definition for this is alpha.
2002-05-30 08:32:18 +00:00
Jake Burkholder
626d38b529 Forgot to commit this file. Catch up to loader->kernel abi changes. 2002-05-29 19:48:03 +00:00
Jake Burkholder
f7e0360261 Forward declare struct trapframe. 2002-05-29 19:25:14 +00:00
Jake Burkholder
819c7d570b Remove BOOTP_WIRED_TO= since I keep forgetting to take this out and screwing
over people with gems.
2002-05-29 19:22:17 +00:00
Jake Burkholder
a2b4810ee7 Don't try to flush illegal alises from the data cache in vmapbuf and
vunmapbuf, this is handled by pmap now.
2002-05-29 06:16:47 +00:00
Jake Burkholder
20bd6675fb Add an MD page flag for tracking if a page is cacheable or not, so that
we don't flush all mappings of a physical page in order to make it
virtually cachable again, if it is already cachable.
2002-05-29 06:12:13 +00:00
Jake Burkholder
468303c500 Remove an unused variable. 2002-05-29 06:10:37 +00:00
Jake Burkholder
1982efc5c2 Merge the code in pv.c into pmap.c directly. Place all page mappings onto
the pv lists in the vm_page, even unmanaged kernel mappings.  This is so
that the virtual cachability of these mappings can be tracked when a page
is mapped to more than one virtual address.  All virtually cachable
mappings of a physical page must have the same virtual colour, or illegal
alises can be created in the data cache.  This is a bit tricky because we
still have to recognize managed and unmanaged mappings, even though they
are all on the pv lists.
2002-05-29 06:08:45 +00:00
Jake Burkholder
e793e4d0b3 Add pv list linkage and a pmap pointer to struct tte. Remove separately
allocated pv entries and use the linkage in the tte for pv operations.
2002-05-29 05:56:05 +00:00
Jake Burkholder
35738638d6 Use a contrived 'tlb_entry' structure for passing the mappings for the
kernel text and data from the loader to the kernel, so that the tte format
is not part of the loader->kernel ABI.
2002-05-29 05:49:59 +00:00
Jake Burkholder
b08270ba0f Remove pmap.pm_pvlist and make the functions that use it no-ops. These are
all optimizations for architectures which have large sparse page tables,
and/or can't put the pv linkage inside of the page table entries.
2002-05-29 05:24:16 +00:00
Doug Rabson
396a429cfd Add declarations of suword32 and suword64. Add implementations of one or
the other (or both) to all the platforms. Similar for fuword32 and
fuword64.
2002-05-26 16:03:13 +00:00
Jake Burkholder
4d574756ac Convert the interrupt queue from an array to a linked list. Implement
intr_dequeue in asm so that it can easily be modified to do light weight
context switching.
2002-05-25 02:39:28 +00:00
Jake Burkholder
0679dc5f91 Try to handle "double faults" occuring at more trap levels (ie 4 :)). 2002-05-25 01:45:11 +00:00
Jake Burkholder
597e13d8c5 Minor style. 2002-05-25 01:44:08 +00:00
Jake Burkholder
d2ac231616 Make the run queue parameters machine dependent. Optimize 64 bit
architectures by using a 64 bit word for the bit array which keeps
track of non-empty queues.

Reviewed by:	peter
2002-05-25 01:12:23 +00:00
Jake Burkholder
2dbb68a495 Update tsb_tte_enter prototype per tsb.c rev 1.20. 2002-05-21 02:15:37 +00:00
Jake Burkholder
38c04dc163 Rewrite pmap_enter to avoid copying ttes in all cases.
Pass the tte data to tsb_tte_enter instead of a whole tte, also to avoid
copying.
2002-05-21 02:14:11 +00:00
Jake Burkholder
f631b588f5 Redefine the tte accessor macros to take a pointer to a tte, instead of the
value of the tag or data field.
Add macros for getting the page shift, size and mask for the physical page
that a tte maps (which may be one of several sizes).
Use the new cache functions for invalidating single pages.
2002-05-21 00:29:02 +00:00
Jake Burkholder
b78213fb0b Add SMP aware cache flushing functions, which operate on a single physical
page.  These send IPIs if necessary in order to keep the caches in sync on
all cpus.
2002-05-20 16:30:47 +00:00
Jake Burkholder
856316e9c6 Forward declare struct trapframe. 2002-05-20 16:12:35 +00:00
Jake Burkholder
f7c81a5182 De-inline the tlb demap functions. These were so big that gcc3.1 refused
to inline them anyway.  ;)
2002-05-20 16:10:17 +00:00
Eric Melville
13d362233e Banish "priviledged" from kernel source. 2002-05-16 22:41:48 +00:00
David E. O'Brien
5aecc48bb0 style sync with other platforms. 2002-05-15 16:40:25 +00:00
Poul-Henning Kamp
6380601f64 Move MI stuff out of MD param.h files.
It can all still be overridden in the MD files should need suddenly arise.
2002-05-14 20:35:29 +00:00
Jake Burkholder
20409ddf22 Fix IF_SEXT(val, 32). The constants need to have type long to
handle size > 16.
2002-05-13 04:26:38 +00:00
Jake Burkholder
c0db03795f Add another copy of the ia64 dump_machdep.c. 2002-05-13 02:39:19 +00:00
Jake Burkholder
63fd3b0af9 Enable KTR_TRAP by default. 2002-05-12 18:10:48 +00:00
Jake Burkholder
025c284b8d Add a support macro to convert the 5-bit packed register field of
a floating point instruction into a 6-bit register number for
double and quad arguments.
Make use of the new INSFPdq_RN macro where apporpriate; this
is required for correctly handling the "high" fp registers
(>= %f32).
Fix a number of bugs related to the handling of the high registers
which were caused by using __fpu_[gs]etreg() where __fpu_[gs]etreg64()
should be used (the former can only access the low, single-precision,
registers).

Submitted by:	tmm
2002-05-11 21:20:05 +00:00
David E. O'Brien
fc336fdfbb Gcc 3.1 varargs support. 2002-05-10 02:02:54 +00:00
David E. O'Brien
3393d027da Comment two values I was looking at for GDB. 2002-05-09 02:07:51 +00:00
Jake Burkholder
51ceaefac4 Remove unneeded include. 2002-05-08 04:21:58 +00:00
Jake Burkholder
ea4ad4bb29 Make a macro for the guts of tl0_immu_miss, like dmmu_miss and prot.
Rearrange things slightly so that the contents of the tag access
register are read and restored outside of the macros.  The intention
is to pass the page size to look up as an argument to the macros.
2002-05-08 04:14:16 +00:00
Juli Mallett
ea0b7a7699 Typo fix: detects -> detect.
Reviewed by:	phk
2002-05-03 17:59:25 +00:00
Jake Burkholder
e289cb8fe7 Add support for an alternate signal trampoline; add a sysarch call to register
an alternate trampoling with the kernel.
2002-04-29 18:08:26 +00:00
Peter Wemm
db17c6fc07 Tidy up some loose ends.
i386/ia64/alpha - catch up to sparc64/ppc:
- replace pmap_kernel() with refs to kernel_pmap
- change kernel_pmap pointer to (&kernel_pmap_store)
  (this is a speedup since ld can set these at compile/link time)
all platforms (as suggested by jake):
- gc unused pmap_reference
- gc unused pmap_destroy
- gc unused struct pmap.pm_count
(we never used pm_count - we track address space sharing at the vmspace)
2002-04-29 07:43:16 +00:00
Marcel Moolenaar
d297ad160e Don't use the symbol name to lookup the symbol value when we can use
the symbol index defined by the relocation. The elf_lookup() support
function is to be used by elf_reloc() when symbol lookups need to be
done. The elf_lookup() function operates on the symbol index and
will do a symbol name based lookup when such is required, otherwise
it uses the symbol index directly. This solves the problem seen on
ia64 where the symbol hash table does not contain local symbols and
a symbol name based lookup would fail for those symbols.

Don't pass the symbol name to elf_reloc(), as it isn't used any more.
2002-04-25 01:22:16 +00:00
Jake Burkholder
11dcdc976b Avoid using pmap_kenter "early", since it may need to dink with vm_page
structures, which may not be setup yet.  Minor cleanups.
2002-04-21 22:57:42 +00:00
Jake Burkholder
9ba847abf3 MFi386 1.222. Remove vm_map_growstack and acquisition and release of Giant
from trap_pfault.
2002-04-20 17:28:08 +00:00
Jake Burkholder
d1fef1792c Check the alignment of the stack pointer before copying in windows from the
user stack in response to a failed window fill, allowing the process to be
killed if its wrong.  This caused user programs which misalign their stack
pointer to get stuck in an infinite loop at the kernel-userland boundary,
which is mostly harmless.

The same thing causes a fatal RED state exception on OpenBSD and probably
NetBSD.

Inspired by:	art@openbsd.org
2002-04-20 16:23:52 +00:00
Jake Burkholder
bb52b4f3fc Fix off by one errors in cache flush calls (mostly harmless). 2002-04-20 15:58:40 +00:00
Jake Burkholder
26956cba94 Add needed include of tick.h. 2002-04-20 15:52:53 +00:00
Robert Watson
91e007dc70 Since WITNESS doesn't just do mutexes, remove "mutex" from the WITNESS
comment in GENERIC config files of appropriate platforms.  For whatever
reason, powerpc didn't use WITNESS in GENERIC.
2002-04-18 03:44:44 +00:00
Peter Wemm
1a87a0da66 Pass vm_page_t instead of physical addresses to pmap_zero_page[_area]()
and pmap_copy_page().  This gets rid of a couple more physical addresses
in upper layers, with the eventual aim of supporting PAE and dealing with
the physical addressing mostly within pmap.  (We will need either 64 bit
physical addresses or page indexes, possibly both depending on the
circumstances.  Leaving this to pmap itself gives more flexibilitly.)

Reviewed by:	jake
Tested on:	i386, ia64 and (I believe) sparc64. (my alpha was hosed)
2002-04-15 16:00:03 +00:00
David E. O'Brien
9b019189c4 option<space><tab> 2002-04-15 09:21:51 +00:00
Alan Cox
80eef17ba9 o Remove vm_map_growstack() and useracc() from sendsig(). Copyout() and
suword() will automatically grow the stack if needed.
 o Add a comment that osigreturn() and sigreturn() are MPSAFE.
2002-04-13 19:17:49 +00:00
Mike Barcroft
795aff0ed9 Include <sys/cdefs.h> for definition of __BSD_VISIBLE.
Pointy hat to:	mike
2002-04-12 15:56:45 +00:00
Mike Barcroft
49285705cc Remove the hack for segsz_t from <sys/types.h>; use the normal
_BSD_FOO_T_ method for defining segsz_t.
2002-04-10 15:58:13 +00:00
Mike Barcroft
7f0f1cfd57 Add manifest constants: _LITTLE_ENDIAN, _BIG_ENDIAN, _PDP_ENDIAN, and
_BYTE_ORDER.  These are far more useful than their non-underscored
equivalents as these can be used in restricted namespace environments.
Mark the non-underscored variants as deprecated.
2002-04-10 14:39:14 +00:00
Jake Burkholder
22d67801e6 Forgot these files in previous commit to frame.h. Also add needed include
of machine/emul.h.
2002-04-09 01:43:07 +00:00
Jake Burkholder
d134a05e90 Oops. machine/emul.h didn't exist yet. 2002-04-09 01:42:19 +00:00
Jake Burkholder
82436f1067 Rename some fields in struct frame to be compatible with NetBSD/OpenBSD,
and add some compatibility defines.  Add fields for ins and locals to
struct reg also for the same reason; these aren't filled in yet because
getting at those registers sucks and I'd rather not save them in the
trapframe just for this.  Reorder struct reg to be ABI compatible as
well.  Add needed include of machine/emul.h.

This gets pmdb (poor man's debugger) from OpenBSD mostly compiling but it
doesn't work yet :(
2002-04-09 00:57:23 +00:00
Jake Burkholder
530faa0f9e Add device se (commented out, most people won't find this useful yet). 2002-04-09 00:37:33 +00:00
Jake Burkholder
16b7e738de Enable device pass. 2002-04-08 23:21:31 +00:00
Poul-Henning Kamp
67ec58a802 GC the "dumplo" variable, which is no longer used.
A lot of sys/*/*/machdep.c seems not to be.
2002-04-07 21:01:37 +00:00
Jake Burkholder
c8eabf779c Enable isp and ispfw. Remove the nonexistant SUN_DISKLABEL and
ATA_ENABLE_BUSMATER.
2002-04-06 09:33:24 +00:00
Jake Burkholder
274ae7b653 Provide an implementation of KTR_CPU that doesn't use pcpu, so we don't
crash and burn if its not setup yet.  Add timestamp, cpu, and (fake) file
and line recording to the asm version of CTR.
2002-04-06 08:40:59 +00:00
Jake Burkholder
c4c03d1766 Remove invalid KASSERTS. 2002-04-06 08:21:43 +00:00
Thomas Moestl
6ed31e9112 Add missing header for the eeprom driver frontents. 2002-04-05 02:40:54 +00:00
Thomas Moestl
36c009a428 Add MD frontents for the mk48txx driver, ported from NetBSD, and remove
stub implementations of inittodr() and resettodr(), now that the MI ones
are used.
2002-04-04 23:58:50 +00:00
John Baldwin
6008862bc2 Change callers of mtx_init() to pass in an appropriate lock type name. In
most cases NULL is passed, but in some cases such as network driver locks
(which use the MTX_NETWORK_LOCK macro) and UMA zone locks, a name is used.

Tested on:	i386, alpha, sparc64
2002-04-04 21:03:38 +00:00
Bruce Evans
79065dba2a Moved signal handling and rescheduling from userret() to ast() so that
they aren't in the usual path of execution for syscalls and traps.
The main complication for this is that we have to set flags to control
ast() everywhere that changes the signal mask.

Avoid locking in userret() in most of the remaining cases.

Submitted by:	luoqi (first part only, long ago, reorganized by me)
Reminded by:	dillon
2002-04-04 17:49:48 +00:00
Ruslan Ermilov
12c79eb288 Dike out a highly insecure UCONSOLE option.
TIOCCONS must be able to VOP_ACCESS() /dev/console to succeed.

Obtained from:	OpenBSD
2002-04-03 10:56:59 +00:00
John Baldwin
c53c013bae - Move the MI mutexes sched_lock and Giant from being declared in the
various machdep.c's to being declared in kern_mutex.c.
- Add a new function mutex_init() used to perform early initialization
  needed for mutexes such as setting up thread0's contested lock list
  and initializing MI mutexes.  Change the various MD startup routines
  to call this function instead of duplicating all the code themselves.

Tested on:	alpha, i386
2002-04-02 22:19:16 +00:00
Thomas Moestl
816663a0b3 Fix crashes that would happen when more than one 4MB page was used to
hold the kernel text, data and loader metadata by not using a fixed slot
to store the TSB page(s) into. Enter fake 8k page entries into the kernel
TSB that cover the 4M kernel page(s), sot that pmap_kenter() will work
without having to treat these pages as a special case.

Problem reported by:	mjacob, obrien
Problem spotted and 4M page handling proposed by:       jake
2002-04-02 17:50:13 +00:00
Thomas Moestl
5320165b09 Remove the superfluous second argument from the IOTSBSLOT() macro. 2002-04-02 17:41:06 +00:00
Thomas Moestl
910d801895 Lower UPA_MEMSTART to 0x1c000000000. This is required for some larger
Enterprise machines.
2002-04-02 17:38:52 +00:00
Thomas Moestl
bca61dd95d Set mp_maxid so that UMA works with SMP.
Submitted by:	jake
2002-04-02 17:37:06 +00:00
Thomas Moestl
3191e556ea Do not try to set up the PCI bus B error interrupt on "sabre"s, since
it is only available on "psycho"s. The same applies to the power
management interrupt, which is not enabled by default though.
2002-04-02 17:27:35 +00:00
Thomas Moestl
3d6d9df323 Remove a debugging panic that was triggered when a resource that was out
of range was tried to be allocated; just return failure instead.
2002-04-02 17:23:45 +00:00
Matthew Dillon
182da8209d Stage-2 commit of the critical*() code. This re-inlines cpu_critical_enter()
and cpu_critical_exit() and moves associated critical prototypes into their
own header file, <arch>/<arch>/critical.h, which is only included by the
three MI source files that need it.

Backout and re-apply improperly comitted syntactical cleanups made to files
that were still under active development.  Backout improperly comitted program
structure changes that moved localized declarations to the top of two
procedures.  Partially re-apply one of the program structure changes to
move 'mask' into an intermediate block rather then in three separate
sub-blocks to make the code more readable.  Re-integrate bug fixes that Jake
made to the sparc64 code.

Note: In general, developers should not gratuitously move declarations out
of sub-blocks.  They are where they are for reasons of structure, grouping,
readability, compiler-localizability, and to avoid developer-introduced bugs
similar to several found in recent years in the VFS and VM code.

Reviewed by:	jake
2002-04-01 23:51:23 +00:00
Jake Burkholder
d86b2422b9 Move the CTASSERT macro from MD code to systm.h alongside KASSERT so other
code can use it.  This takes a single constant argument and fails to compile
if it is 0 (false).  The main application of this is to make assertions about
structure sizes at compile time, in order to validate assumptions made in
other code.  Examples:

CTASSERT(sizeof(struct foo) == FOO_SIZEOF);
CTASSERT(sizeof(struct foo) == (1 << FOO_SHIFT));

Requested by:	jhb, phk
2002-04-01 21:55:00 +00:00
Jake Burkholder
60a57b73ef ktr changes to improve performance and make writing a userland utility to
dump the trace buffer feasible.
- Remove KTR_EXTEND.  This changes the format of the trace entries when
  activated, making writing a userland tool which is not tied to a specific
  kernel configuration difficult.
- Use get_cyclecount() for timestamps.  nanotime() is much too heavy weight
  and requires recursion protection due to ktr traces occuring as a result
  of ktr traces.  KTR_VERBOSE may still require recursion protection, which
  is now conditional on it.
- Allow KTR_CPU to be overridden by MD code.  This is so that it is possible
  to trace early in startup before pcpu and/or curthread are setup.
- Add a version number for the ktr interface.  A userland tool can check this
  to detect mismatches.
- Use an array for the parameters to make decoding in userland easier.
- Add file and line recording to the non-extended traces now that the extended
  version is no more.

These changes will break gdb macros to decode the extended version of the
trace buffer which are floating around.  Users of these macros should either
use the show ktr command in ddb, or use the userland utility which can be run
on a core dump.

Approved by:	jhb
Tested on:	i386, sparc64
2002-04-01 05:35:26 +00:00
Poul-Henning Kamp
8d19a26558 Centralize the "bootdev" and "dumpdev" variables. They are still pretty
bogus all things considered, but at least now they don't camouflage as
being MD variables.
2002-03-31 07:15:28 +00:00