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243 Commits

Author SHA1 Message Date
Olivier Houchard
12a58da422 Start to support the big endian case as well. 2005-01-18 15:51:50 +00:00
Olivier Houchard
a9357c744c Add a new sysctl, hw.sevenseg.freq, to control the update frequency. 2005-01-16 13:18:52 +00:00
Olivier Houchard
fde8140fde Erm, don't forget to store the mbuf in the dmamap in bus_dmamap_load_mbuf_sg(), 
so that bus_dmamap_sync() knows what to invalidate. This makes em(4) work again.
While I'm there, remove the unused "first" variable.
 2005-01-16 13:15:16 +00:00
Olivier Houchard
de76196323 Add support for KTR_BUSDMA. 2005-01-15 19:42:28 +00:00
Olivier Houchard
34c8913825 Add the prototype for bus_dmamap_load_mbuf_sg(). 
Spotted out by:	scottl
 2005-01-15 19:31:08 +00:00
Olivier Houchard
5134102b9d MFi386: add bus_dmamap_load_mbuf_sg(). 2005-01-15 19:07:23 +00:00
Olivier Houchard
6728fc65cc Add the 7 seg display. 2005-01-15 18:55:40 +00:00
Olivier Houchard
4801ad2f3c Add support for the IQ31244 7 seg display. 
Obtained from:	NetBSD
 2005-01-15 18:55:22 +00:00
Olivier Houchard
7c1658d122 Start the license statement with /*- 2005-01-15 18:38:10 +00:00
Olivier Houchard
70861d0ddd Use device_set_desc(). 2005-01-15 16:57:00 +00:00
Olivier Houchard
d29e12242c Add the i80321 watchdog. 2005-01-15 16:56:22 +00:00
Olivier Houchard
c1729ff0d5 Add a driver for the i80321 watchdog. 
Obtained from:		NetBSD
 2005-01-15 16:54:35 +00:00
Olivier Houchard
9026d36c6e Add support for ptrace() and gdb breakpoints. 2005-01-10 22:43:16 +00:00
Olivier Houchard
8b64f2f5ad Don't assume pmap_update() will cpwait for us, pmap_update will disappear soon. 2005-01-10 22:41:08 +00:00
Warner Losh
d8315c79d9 Start all license statements with /*- 2005-01-05 21:58:49 +00:00
Alan Cox
1f70d62298 Modify pmap_enter_quick() so that it expects the page queues to be locked 
on entry and it assumes the responsibility for releasing the page queues
lock if it must sleep.

Remove a bogus comment from pmap_enter_quick().

Using the first change, modify vm_map_pmap_enter() so that the page queues
lock is acquired and released once, rather than each time that a page
is mapped.
 2004-12-23 20:16:11 +00:00
Olivier Houchard
e1e6b9d3c6 - The IQ80321 has a jumper which changes the PCI device id from 4 to 8 for the 
GigE controller, so handle this.
- Use the outbound window 0 if the PCI mem requested is in its range, instead
of inconditionally use the outbound window 1.
This should be enough to get FreeBSD/arm to work on the IQ80321 board as well.

Reported and tested by: Jia-Shiun Li <jiashiun at gmail dot com>
 2004-12-21 11:36:09 +00:00
Olivier Houchard
885dabe5f7 Update the StrongArm port to match the current code. 
- Implement arm_mask_irqs and arm_unmask_irqs
- Provide the available physical address range after pmap_bootstrap allocated
things, instead or before, or bad things happen.
 2004-12-18 17:58:49 +00:00
Olivier Houchard
31e3e209b1 Make sure gcc doesn't generate something such as swp r3, r4, [r3] for __swp, 
as it has unpredictable results.
 2004-12-18 17:43:01 +00:00
Alan Cox
85f5b24573 In the common case, pmap_enter_quick() completes without sleeping. 
In such cases, the busying of the page and the unlocking of the
containing object by vm_map_pmap_enter() and vm_fault_prefault() is
unnecessary overhead.  To eliminate this overhead, this change
modifies pmap_enter_quick() so that it expects the object to be locked
on entry and it assumes the responsibility for busying the page and
unlocking the object if it must sleep.  Note: alpha, amd64, i386 and
ia64 are the only implementations optimized by this change; arm,
powerpc, and sparc64 still conservatively busy the page and unlock the
object within every pmap_enter_quick() call.

Additionally, this change is the first case where we synchronize
access to the page's PG_BUSY flag and busy field using the containing
object's lock rather than the global page queues lock.  (Modifications
to the page's PG_BUSY flag and busy field have asserted both locks for
several weeks, enabling an incremental transition.)
 2004-12-15 19:55:05 +00:00
Olivier Houchard
44dd466610 Enable interrupts once the active ones have been masked. 2004-12-14 18:57:21 +00:00
Olivier Houchard
353d54aa83 Update the sp after popping the regs. 
This is a good candidate for the golden pointy hat awards.
 2004-12-14 18:45:05 +00:00
Olivier Houchard
eb64032876 Save a few more cycles in cpu_switch() and cpu_throw(). 2004-12-12 19:21:58 +00:00
Olivier Houchard
cb13ab5bd1 Fix style. 2004-12-11 23:56:03 +00:00
Olivier Houchard
6cf1dd4f37 Add entries to trace syscalls with KTR. 2004-12-11 23:54:03 +00:00
Olivier Houchard
fd4d461166 Fix compilation with INVARIANTS. 2004-12-11 14:46:52 +00:00
Olivier Houchard
84b30e2247 s/RETEQ/RETeq/. 2004-12-10 16:49:08 +00:00
Olivier Houchard
f4427f30f7 Include <sys/signalvar.h> for trapsignal(). 2004-12-07 17:39:42 +00:00
Olivier Houchard
79f40e185d Make sure to map the whole kernel into 1MB pages. Try to use the remaining 
memory for things such as the kernel stack.
 2004-12-05 22:48:04 +00:00
Olivier Houchard
f4deb15f08 Reactivate the use of the minidata cache. 2004-12-05 22:47:25 +00:00
Olivier Houchard
4090854334 Do not change the page directory and do not flush the TLB when switching to 
a kernel thread.
 2004-12-05 22:46:59 +00:00
Olivier Houchard
b62e66eb1f Remove an unused field from the struct pv_entry. 
While I'm there, fix style.
 2004-12-05 22:46:30 +00:00
Olivier Houchard
28ec399c5a Include <sys/signalvar.h> for trapsignal(). 2004-12-02 23:31:48 +00:00
David Schultz
6004362e66 Don't include sys/user.h merely for its side-effect of recursively 
including other headers.
 2004-11-27 06:51:39 +00:00
Olivier Houchard
a27952c1a9 Enable interrupts as soon as the pending interrupts have been masked. 2004-11-23 16:31:16 +00:00
Olivier Houchard
6054abc495 Use ns8250. 2004-11-23 16:30:50 +00:00
Olivier Houchard
b1ff74ebb3 Cleanup. 2004-11-21 19:41:27 +00:00
Olivier Houchard
7fc1bf0371 Set the frame pointer to 0 in fork_trampoline(). 2004-11-21 19:33:47 +00:00
Olivier Houchard
9ebe15a1d7 Implement breakpoints and single stepping on arm. 
Obtained from:	NetBSD
 2004-11-21 18:11:39 +00:00
Olivier Houchard
7b90b2998e Remove useless code. 2004-11-20 16:52:30 +00:00
Olivier Houchard
3488a2f7d9 Implement enough to be able to enter and leave DDB. 2004-11-20 16:52:10 +00:00
Olivier Houchard
579d53f4cf Get the kernel stack right now that the u-area is gone. 2004-11-20 16:51:32 +00:00
David Schultz
d305a6da98 Remove UAREA_PAGES and USPACE definitions. The definitions of 
USPACE_SVC_STACK_TOP, USPACE_SVC_STACK_BOTTOM, USPACE_UNDEF_STACK_TOP,
and USPACE_UNDEF_STACK_BOTTOM look wrong to me, so I'm leaving them
alone.

Reviewed by:	arch@
 2004-11-20 02:31:37 +00:00
David Schultz
837f4b104e Remove some references to U area here while trying not to break 
anything.  Someone with ARM hardware could do a lot more to untangle
this code.

Reviewed by:	arch@
 2004-11-20 02:31:23 +00:00
David Schultz
6484fde022 Remove references to U area and garbage collect includes. 
Reviewed by:	arch@
 2004-11-20 02:30:59 +00:00
David Schultz
11111b709f U areas are going away, so don't allocate one for process 0. 
Reviewed by:	arch@
 2004-11-20 02:29:25 +00:00
Olivier Houchard
a8a2a16a08 Increase cnt.v_syscall and cnt.v_trap when needed. 2004-11-20 00:55:57 +00:00
Olivier Houchard
0e425b6c47 Move KERNPHYSADDR and KERNVIRTADDR from std.i80321 to std.iq31244. 
Use the correct KERNPHYSADDR.
 2004-11-18 00:05:09 +00:00
Olivier Houchard
826a7f03c5 Simplify a bit bus_dmamap_load_buffer by removing the "first" parameter, use 
nseg == -1 instead.

Obtained from:	NetBSD
 2004-11-16 00:57:44 +00:00
Olivier Houchard
1101dd6d06 MFi386: 
- inlina bus_dmamap_load_buffer
- Directly pass the pmap to bus_dmamap_load_buffer, instead of the struct thread
 2004-11-15 23:59:28 +00:00