mycroft
799aaa55c3
Various cleanup:
...
Use the global version of asm.h.
Move `boot2' into the first sector.
Replace `ouraddr' with `ourseg'.
1995-01-18 17:28:13 +00:00
mycroft
7377f34093
Clean up deleted files.
1995-01-18 17:28:12 +00:00
mycroft
373ace5180
Various cleanup:
...
Use the global version of asm.h.
Move `boot2' into the first sector.
Replace `ouraddr' with `ourseg'.
1995-01-18 17:28:07 +00:00
gwr
f110c449d8
Disable the NMI clock earlier, so the PROM does not touch the ZS chip
...
while we are using it. (No need to preserve orig_nmi_vect either).
1995-01-18 17:22:40 +00:00
gwr
d6a8e3c88f
Just return if kdb_trap returns non-zero (now that kdb_trap is fixed).
...
Print correct message for kernel coprocessor exception.
1995-01-18 17:16:54 +00:00
gwr
cab4fae641
Kill some warnings.
1995-01-18 17:14:47 +00:00
gwr
e4836f2a66
Cleanup (add some checks, remove dead code).
1995-01-18 17:13:57 +00:00
gwr
cea77bf837
Make kdb_trap return zero for traps that have not been "handled".
1995-01-18 17:10:47 +00:00
mycroft
bb563c9eec
Do I/O through iobuf rather than address 0, where applicable. Avoid an extra
...
copy in devread().
1995-01-18 16:22:35 +00:00
mycroft
46adfb5ac4
Eliminate extra arguments to some functions.
1995-01-18 15:46:34 +00:00
mycroft
37a27b27ac
Minor change.
1995-01-18 15:42:30 +00:00
mycroft
2cc5da69ef
Minor rearrangement.
1995-01-18 15:09:55 +00:00
mycroft
96d96ccc04
Do not allow opening a device which is not `alive'.
1995-01-18 10:02:43 +00:00
mycroft
16489b2c3a
Clean up deleted files.
1995-01-18 08:17:23 +00:00
phil
9ac887e591
Move to config.new (get ram disk working correctly), add lpt driver.
1995-01-18 08:14:29 +00:00
phil
dcb56cc3c5
Move to config.new, add lpt driver.
1995-01-18 08:13:29 +00:00
mycroft
baf132fa75
Display the correct diagnostic on a coprocessor exception. From Masaru Oki.
1995-01-18 07:37:06 +00:00
mellon
ca985c53b6
Many changes from Jonathan Stone and a few from me to make small boot blocks and handle NetBSD a.out
1995-01-18 06:53:36 +00:00
mellon
8f24f1259a
Write out new-style core files
1995-01-18 06:52:46 +00:00
mellon
9e9d8e5a78
Ultrix pcb_regs compatibility, reorder interrupt handlers (probably futile), use new callv naming
1995-01-18 06:51:46 +00:00
mellon
07fcdf4578
Add partial sfb support, ELF and 4.4BSD a.out support, Ultrix-compatible pcb_regs, fix sigcontext, probably more
1995-01-18 06:49:12 +00:00
mellon
13301513c1
Add conditional gp support; add interrupt disable before setting or clearing soft ints
1995-01-18 06:45:29 +00:00
mellon
2c8e2a0818
Update clock initialization/updating for interoperability with Ultrix (still some problems with this, though
1995-01-18 06:43:47 +00:00
mellon
834d6abd93
Add definition for tc_enable_interrupt for future reference
1995-01-18 06:42:56 +00:00
mellon
4e0b8e9b63
break mullo and mulhi out of gp regs in sigcontext
1995-01-18 06:42:01 +00:00
mellon
14f5639dca
Make register definitions compatible with Ultrix
1995-01-18 06:40:12 +00:00
mellon
09f6d5d141
Make pcb_regs structure compatible with Ultrix
1995-01-18 06:39:43 +00:00
mellon
faf867c2b2
Support for alternate compilers and file formats
1995-01-18 06:38:57 +00:00
mellon
b9a71d25d2
Add NUMBOOT for benefit of disklabel program
1995-01-18 06:37:55 +00:00
mellon
714099f07a
Add arch/pmax/pmax/elf.c as a standard file
1995-01-18 06:37:01 +00:00
mellon
6919eac432
Make it easier to use different compilers (we hope)
1995-01-18 06:36:13 +00:00
mycroft
40073dc687
Clean up deleted files.
1995-01-18 06:19:31 +00:00
mellon
c19690fb69
Start code for boot loader (under new name with some changes)
1995-01-18 06:19:01 +00:00
mellon
2dd8487ae4
Support for loading ELF on NetBSD/pmax - to be combined with elf loader under sys/compat later
1995-01-18 06:16:33 +00:00
mellon
3a011804a6
ELF format (to be combined with elf header in sys/compat later)
1995-01-18 06:15:38 +00:00
mellon
20a4f723d7
4.4BSD binary format
1995-01-18 06:14:58 +00:00
mellon
355685bb12
Configuration for a MAXine
1995-01-18 06:14:27 +00:00
mycroft
68c1a35cd9
Initialize host_stat and target_stat properly.
1995-01-18 04:20:16 +00:00
mycroft
ef7e46cf77
24 more bytes...
1995-01-18 03:13:37 +00:00
mycroft
d5eea96416
Save another 80 bytes, and clean up the code a little.
1995-01-18 02:54:23 +00:00
mycroft
61f1304243
44 bytes smaller.
1995-01-18 01:54:25 +00:00
mycroft
48ab9c0f4b
Make the twiddler 32 bytes smaller, but still have it twirl.
1995-01-17 04:49:27 +00:00
gwr
06b2d42448
Oops... make keyboard/display console work again.
1995-01-16 22:59:42 +00:00
mycroft
52f079131b
Incorporate recent changes from Wolfgang. Recognize the 815.
1995-01-16 21:48:35 +00:00
mycroft
9d591ad660
More updates to EISA stuff.
1995-01-16 12:23:47 +00:00
mycroft
4d9bd0fedf
Update EISA stuff.
1995-01-16 12:00:47 +00:00
mycroft
58828fe20e
For now, continue to treat EISA devices as ISA. Also, add boca.
1995-01-16 11:51:40 +00:00
mycroft
fcdbd2bd7b
Remove outdated comment.
1995-01-16 10:36:26 +00:00
gwr
d22604a33d
Fix syntax errors in some #ifdef code.
1995-01-16 04:31:30 +00:00
mycroft
87b741e26f
Some general cleanup, and add support for serial terminals, `#ifdef SERIAL'.
1995-01-16 02:50:32 +00:00
mycroft
beb97d8b0a
Use getc(), not getchar().
1995-01-16 02:21:15 +00:00
mycroft
7e500c7455
Recode the input routine a bit. Handle DEL like backspace.
1995-01-16 02:19:09 +00:00
mycroft
746b390617
Faster version, by me.
1995-01-15 23:20:33 +00:00
mycroft
93cd120f4e
Faster version from Michael Schr"oder.
1995-01-15 22:32:35 +00:00
cgd
8eb9e3f4db
trim it a bit to match reality. get completely rid of things not likely
...
to ever be wanted in this machine's kernel.
1995-01-15 10:04:21 +00:00
briggs
73c9e168bf
Fix minor compile warning.
1995-01-15 06:29:04 +00:00
briggs
ee0ad992ea
scsibus_data -> scsibus_softc in device search.
1995-01-15 06:28:36 +00:00
briggs
bc36ccab9a
Update for scsi changes. Incl. xs->resid = 0 (thanks Phil).
...
Changes compile, but are not tested.
1995-01-15 06:27:54 +00:00
mycroft
1044df1576
Add some commentary to the previous.
1995-01-15 03:33:25 +00:00
mycroft
b08d9a004d
Fix slight oversight in previous.
1995-01-15 03:29:05 +00:00
mycroft
178fb5f48c
Oops. Correct asm() spec.
1995-01-15 02:19:12 +00:00
mycroft
1aace6baa6
Duplicate sigreturn() changes.
1995-01-15 02:12:14 +00:00
mycroft
70e588a0f1
Remove prototype of check_selectors().
1995-01-15 02:11:23 +00:00
mycroft
98fc96ea40
Add some commentary on the previous.
1995-01-15 01:15:04 +00:00
mycroft
ecef8fddfa
Remove PSL_USERCLR, and add a PSL_USERSTATIC. Change the bit descriptions to
...
more closely match the 386 manual. (Probably the mnemonics should be changed,
too.)
1995-01-15 00:57:50 +00:00
mycroft
c7c817b91a
sigreturn() and ptrace() security violations will now trap. Deal with those
...
traps by looking at the instruction stream and the stack to see if it looks
like we're returning to user mode, and if so pop to the hooks in locore.s.
This will fail in the case where a pop %ds or pop %es faults when returning
from a fast interrupt, but this should not be possible.
1995-01-15 00:55:25 +00:00
mycroft
3e8850eab2
Enable CR0_AM on 486s. (We already handled the fault.) This would be more
...
useful if it applied to the kernel.
Avoid btrl when checking AST flag.
Add hooks to recover from errors during any INTRFASTEXIT and simulate a user-
level protection fault.
1995-01-15 00:52:21 +00:00
mycroft
c26ad3af41
Cosmetic changes, and use db_printf() rather than printf().
1995-01-15 00:46:38 +00:00
mycroft
8476bee7b5
Do the eflags security check in a cheaper way. Just check that the privilege
...
level of the return cs is correct; don't check the other selectors. (Will
fault later if they are invalid.)
1995-01-15 00:44:19 +00:00
mycroft
da79b43eae
Move the existing frame pointer calculation into a separate helper function.
...
Eventually this should cause the child to be swapped in if necessary.
Do the eflags security check in cheaper way.
1995-01-15 00:42:01 +00:00
mycroft
a2dafd0821
Avoid using btrl, and check astpending before the return cs, because it's
...
faster and usually false.
1995-01-15 00:36:37 +00:00
mycroft
87d587e640
Simplify some sanity checks.
1995-01-13 14:46:44 +00:00
mycroft
4740006541
Oops.
1995-01-13 14:05:17 +00:00
mycroft
705f6e0337
*** empty log message ***
1995-01-13 13:19:34 +00:00
mycroft
1e5cd9212d
(Almost) allow sector sizes other than 512 bytes. Reduce some expensive operations.
1995-01-13 12:30:59 +00:00
mycroft
7bb384b66c
Avoid some repeated multiplications.
1995-01-13 11:14:27 +00:00
mycroft
7650bd97fc
Always boundary check I/O.
1995-01-13 10:46:32 +00:00
mycroft
c541b630fc
Add a sc_bcount, similar to wd.c.
1995-01-13 10:35:58 +00:00
mycroft
a0303980c2
Calculate b_cylin correctly for different block sizes.
1995-01-13 10:30:08 +00:00
mycroft
0033c975c6
Fix another bug in the DMA code.
1995-01-13 10:22:58 +00:00
mycroft
fda9731199
Further cleanup. Back out part of the previous; it's the device's
...
responsibility to check for partial blocks.
1995-01-13 09:57:39 +00:00
mycroft
4abdb375bc
Minor rearrangement.
1995-01-13 09:40:21 +00:00
mycroft
c2bc310a37
Change the way sc_skip is used. Fix a bug in the (incomplete) DMA code. Add a
...
new sc_blkno (which will be useful later).
1995-01-13 08:58:16 +00:00
mycroft
da7d74e3dc
Fix typos.
1995-01-13 08:37:25 +00:00
mycroft
1f758ca55c
Fix typo.
1995-01-13 08:31:46 +00:00
mycroft
ca84c10497
Only allow opening one density at a time.
1995-01-13 08:29:25 +00:00
mycroft
04a1fc8816
Change the way b_cylin and sc_track (now sc_cylin) are used slightly.
...
If transfer goes past end of disk, truncate it.
1995-01-13 07:57:01 +00:00
mycroft
dc63598a7f
Clean up bounds_check_with_label(). Round request to sector size in label,
...
and return EINVAL if bcount is less than the sector size or negative.
1995-01-13 06:51:38 +00:00
pk
0bf4b5b424
Remove a debug messsage & add a missing constant.
1995-01-12 07:31:47 +00:00
pk
8290d42317
Use `MACHINE_NONCONTIG' to deal with sparse memory in stead of private
...
mapping tables. We gain some pages, but there's still some wastage.
For the moment, `MACHINE_NONCONTIG' is still optional.
1995-01-11 21:21:11 +00:00
mycroft
8ba4c5fca1
Add boca, makeoptions.
1995-01-11 20:59:50 +00:00
gwr
c148a69816
Cleanup
1995-01-11 20:38:23 +00:00
gwr
20c7e5582c
Cleanup (cpp flags just once)
1995-01-11 20:37:12 +00:00
gwr
0a1967ac6d
Enable VME configuration.
1995-01-11 20:32:08 +00:00
gwr
a9a78b9b76
Add VME interrupt attach.
1995-01-11 20:31:30 +00:00
pk
0a22930d97
Explicitly test the RXRDY status bit on incoming characters.
1995-01-11 09:56:40 +00:00
jtc
d7a8b2964f
Only define sig_atomic_t when _ANSI_SOURCE is defined.
1995-01-10 19:01:00 +00:00
pk
b1ad0e3ed5
Count pages correctly in pmap_bootstrap().
1995-01-10 16:50:50 +00:00
pk
b87c1bb24a
Avoid kernel memory corruption if user buffer too small; return ENOMEM in stead.
1995-01-10 16:47:03 +00:00
gwr
fe2c68f0d3
Fixed to work with the new SCSI code (thanks to Phil Nelson).
1995-01-10 16:45:26 +00:00