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216 Commits

Author SHA1 Message Date
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
Olivier Houchard
5918fe42a0 Remove debugging printf. 2004-11-13 15:12:26 +00:00
Olivier Houchard
24c6f4b32a Don't forget to clear the PG_WRITEABLE flag when appropriate. 2004-11-13 14:54:31 +00:00
Olivier Houchard
4c44e1ec63 Use uma_prealloc() on the l2table_zone to prevent a LOR at startup. 2004-11-13 14:41:27 +00:00
Olivier Houchard
8e10380a9f Implement interrupt counting, so that vmstat -i work. 2004-11-12 21:49:05 +00:00
Olivier Houchard
ef7d17237a Don't forget to include opt_vm.h. 2004-11-10 22:11:08 +00:00
Olivier Houchard
9aeab9eabe Convert the IQ31244 code to use ARM32_NEW_VM_LAYOUT. 2004-11-10 22:09:39 +00:00
Olivier Houchard
b599237edb Invalidate the data cache in pmap_qremove() instead of in pmap_kenter(), 
and in pmap_enter_quick() instead of pmap_enter().
 2004-11-10 21:46:04 +00:00
Tom Rhodes
adcb844412 Remove __P here too. 
Ok'ed by:	cognet
 2004-11-10 01:33:42 +00:00
Olivier Houchard
2fd21813b0 Use the RET macro. 2004-11-09 16:47:47 +00:00
Olivier Houchard
5f2c6402db Import a RET macro, that will use bx if the arch supports it. 
Obtained from:	NetBSD
 2004-11-09 16:45:55 +00:00
Alan Cox
d3cb0d99e0 Introduce two new options, "CPU private" and "no wait", to sf_buf_alloc(). 
Change the spelling of the "catch" option to be consistent with the new
options.  Implement the "no wait" option.  An implementation of the "CPU
private" for i386 will be committed at a later date.
 2004-11-08 00:43:46 +00:00
Olivier Houchard
b720bb34f3 Add device mem in config files. 2004-11-07 23:02:15 +00:00
Olivier Houchard
e099742e25 Import md bits for mem(4) on arm. 
While I'm there, cleanup a bit pmap.h.
 2004-11-07 23:01:36 +00:00
Olivier Houchard
1b135a7e11 Remove useless code. 2004-11-07 16:51:33 +00:00
Olivier Houchard
432f5e3ab9 Disable interrupts for atomic_cmpset_32, this one is just not atomic. 
Don't export it to userland.
 2004-11-05 23:48:12 +00:00
Olivier Houchard
bd366a3cd4 Copy the syscall args in a tmp variable instead of directly using the 
trapframe, as it can be modified in the syscall.
Call thread_user_enter() when appropriate.
 2004-11-05 19:57:10 +00:00
Olivier Houchard
8ecf6f65d9 Save a few cycles in context switch. 
Update comments to reflect reality.
 2004-11-05 19:54:13 +00:00
Olivier Houchard
90f794aaaf If we're still running at the physical address, jump to the virtual address 
instead before calling initarm().
This removes the need to map virtual == physical in initarm().
 2004-11-05 19:52:55 +00:00
Olivier Houchard
321c47170e Be more verbose about cache capacities. 2004-11-05 19:51:23 +00:00
Olivier Houchard
d20a408be7 Implement casuptr. 2004-11-05 19:50:48 +00:00
Olivier Houchard
1214c18d4e Call pmap_pte_init_arm9 instead of pmap_pte_init_generic if 
ARM9_CACHE_WRITE_THROUGH is defined.
 2004-11-05 19:48:40 +00:00
Olivier Houchard
bd245b9bd4 In cpu_critical_fork_exit(), make sure to set td_md.md_critnest so that 
interrupts will be enabled.

Spotted out by:	jhb
 2004-11-05 18:29:45 +00:00
Olivier Houchard
6e91e74e11 Protect the function declarations with #ifdef _KERNEL. 2004-11-04 19:20:54 +00:00
Olivier Houchard
56c6c84155 Directly use __pcpu for PCPU_* instead of pcpup. 2004-11-04 19:19:44 +00:00
Olivier Houchard
27d97a6c49 Decrease KSTACK_PAGES and UAREA_PAGES. 2004-11-04 19:19:21 +00:00
Olivier Houchard
24e01b0c59 Use interrupts_disable() and interrupts_restore() as intr_disable() and 
intr_restore() instead of re-implement it.
 2004-11-04 19:18:50 +00:00
Olivier Houchard
dba13dd1d3 Don't barf if no CPU type is defined while compiling kernel modules. 2004-11-04 19:16:31 +00:00