mycroft
035e9c211e
Use the flag mask in a somewhat more sane fashion.
1996-04-12 05:57:43 +00:00
mycroft
c8ab43244b
Actually keep track of the naughty PSL bits.
...
Use VIF, rather than IF, by default, to be compatible with dosemu. XXXX
1996-04-11 10:07:17 +00:00
mycroft
48643c6605
Export [gs]et_vflags(), and always use them when saving/restoring registers
...
in VM86 mode.
Allow changing of *all* PSL bits in VM86 mode; some applications don't work
right otherwise, and all the nasty bits are virtualized anyway.
Make sure PSL_VIF, PSL_VIP, and PSL_VM don't show up in the user's view of
the PSL.
1996-04-11 07:47:33 +00:00
thorpej
84c7027789
Add bus_io_{read,write}_multi_{1,2,4,8}() to the <machine/bus.h>
...
interface, and implement them (except for the 8-byte versions) on
the i386.
1996-04-05 23:59:37 +00:00
mycroft
6424af4c10
Prototype delay().
1996-03-29 00:23:28 +00:00
perry
ee2fa11baf
add joystick driver from Matthieu Herrb (pr #2267 )
1996-03-27 19:11:13 +00:00
jtc
2ce5f1478b
Add _BSD_WINT_T_ definition so we can handle wint_t type added in NA1.
1996-03-16 01:31:45 +00:00
ghudson
4e0c8707f7
To enable people to mount DOS partitions on disks with no NetBSD
...
partition, add the MBR partitions to the default (faked-up)
disklabel used by NetBSD if it can't find a real one. If the
type of the MBR partition is one of the common DOS ones, mark the
partition as having an MSDOS filesystem.
1996-03-09 20:52:54 +00:00
cgd
0b56afadf3
make this idempotent. bus.h needs to include it, and other things which
...
may include something that includes bus.h may include it as well.
1996-03-08 20:15:23 +00:00
cgd
6826c7bf48
bus memory and I/O space access functions/macros, to be used by
...
machine-independent code for more sane access to bus resources.
New functions will be added to this set, in the future, as appropriate,
but this is a good starting set. Defines:
bus_{io,mem}_{map,unmap}
bus_{io,mem}_{read,write}_{1,2,4,8}
functions, and several types to go with them.
1996-03-08 20:11:23 +00:00
cgd
18ec26aa21
add _MACHINE and _MACHINE_ARCH, which are like MACHINE and MACHINE_ARCH,
...
execpt without quotes. meant to be __CONCAT()ted for easy #includes
of machine-dependent headers for MI code (e.g. for the MI ISA/EISA/PCI/TC
bus code).
1996-03-04 05:04:10 +00:00
cgd
1c5d7babe5
Clean up tabbing/spacing in defns of MACHINE, MACHINE_ARCH, and MID_MACHINE.
1996-03-01 23:30:08 +00:00
jtc
8bd51c47b9
Copyright assigned to the NetBSD Foundation
1996-02-27 22:28:09 +00:00
mycroft
d1bae2700f
Add the obligatory copyright notice.
1996-02-18 13:01:05 +00:00
christos
4d234d08d8
Move pmap_page_index declaration to <vm/pmap.h>
1996-02-12 21:12:29 +00:00
mycroft
9d9a70a5a2
Fix #includes.
1996-02-02 18:05:36 +00:00
mycroft
88e512b693
LOCORE -> _LOCORE
1996-02-01 22:28:24 +00:00
mycroft
7149c5ff14
VM86 support, by John Kohl, touched up a bit by me.
1996-01-08 13:51:30 +00:00
mycroft
87a8c945ba
Hand-code softintr() to deal with GCC braindamage.
1996-01-07 21:48:35 +00:00
mycroft
0696821419
Deal with GCC's dead code elimination being suboptimal.
1996-01-07 03:59:28 +00:00
mycroft
41f463bf2c
Modify splraise() to allow better optimization.
1996-01-07 02:40:44 +00:00
mycroft
946507cf4d
Make cpl, ipending, and astpending volatile.
1996-01-07 02:08:28 +00:00
mycroft
cd8fe86bcb
Make the type of __builtin_va_list a long.
1995-12-26 01:16:24 +00:00
mycroft
0c00214737
Use __builtin_va_alist.
1995-12-26 00:19:09 +00:00
mycroft
fa887628d8
Stylistic changes.
1995-12-25 23:15:31 +00:00
mycroft
d1de691efb
Stylistic changes.
1995-12-25 22:22:02 +00:00
mycroft
0199e002ad
Update for GCC 2.7, and fix bugs.
1995-12-25 21:41:08 +00:00
mycroft
1ca89b7f91
Enable paging of the user area.
1995-12-24 01:07:32 +00:00
mycroft
d2e4a2de4b
Minor cleanup.
1995-12-21 01:08:59 +00:00
mycroft
6698d239ca
Use the U suffix to insure unsigned values are treated as such.
1995-12-20 23:30:57 +00:00
mycroft
e28d5e9168
Use #pragma only for 2.0 <= GCC < 2.7.
1995-12-20 18:09:24 +00:00
mycroft
e09cc4cf9d
Use alternate structure packing method added in GCC 2.7.
1995-12-20 17:58:55 +00:00
mycroft
dab27d0c21
Use explicit integer sizes. Adjust constraints for GCC 2.7.2.
1995-12-20 07:53:09 +00:00
mycroft
086845d5d3
Move the initialization of proc0's TSS and LDT to the end of cpu_startup(),
...
and switch to dynamically allocating the TSS.
1995-10-12 17:56:36 +00:00
mycroft
2765bc7b44
Go back to statically allocating the GDT entries for proc0.
1995-10-11 19:32:31 +00:00
mycroft
ddbde6d166
Remove reference to dead variable.
1995-10-11 06:24:28 +00:00
mycroft
72805df917
Various changes from John Kohl and me:
...
Map kernel stacks only at unique addresses.
Use one TSS per process.
Add sysarch calls for modifying IOPL and the I/O permission bitmap.
Add a compacting GDT entry allocator, for TSS and LDT selectors.
Enable modifying %fs and %gs with PT_SETREGS.
Sanitize various bits of code.
1995-10-11 04:19:29 +00:00
mycroft
25f53a986f
Add USERMODE() and KERNELMODE() macros, and use them.
1995-10-10 04:45:03 +00:00
mycroft
0ad97bc5c9
FreeBSD binary compatibility module, from Noriyuki Soda.
1995-10-10 01:22:31 +00:00
mycroft
8096b83664
Eliminate soft segment descriptors; instead use a functional interface for
...
creating segment descriptors. Add the duplicate system call gate used by
BSD/OS 2.0 executables. Prototype setsegment() and setgate(), and fix a bogon
caught by this.
1995-10-09 06:34:11 +00:00
fvdl
9ca2821d22
A couple of definitions added for previous changes.
1995-08-27 20:57:18 +00:00
mycroft
54c9a1df90
Replace splnet() with splsoftnet(). Add splnet().
1995-08-13 00:22:40 +00:00
mycroft
ce7cc0c18a
Move the `used fpu' flag into mdproc, so it can be referenced when a process
...
is swapped out. Implement process_{read,write}_fpregs.
1995-08-06 05:32:59 +00:00
cgd
479fb9e45b
add <sys/cdefs.h> inclusions. namsspace-protect physadr, label_t
...
def'ns against _POSIX_SOURCE and _ANSI_SOURCE.
1995-07-06 03:39:32 +00:00
mycroft
9fbf4d6f47
Make hardware interrupts always block all software interrupts.
1995-07-04 07:09:53 +00:00
cgd
c83f9c5568
remove unused cpu_exec() definitions. moved "broken swap" markers, for
...
ports that still need it, to types.h.
1995-06-28 02:55:18 +00:00
cgd
db66a978e9
IdlePTD has been gone for a while. PTDpaddr now exists.
1995-06-26 13:25:29 +00:00
cgd
2d49c3885b
clean up definitions of ctod(), dtoc(), ctob(), btoc(), btodb(), and
...
dbtob(). remove unused definitions of ctos(), stoc(), and dtob().
1995-06-26 06:55:38 +00:00
jtc
55fbbc705d
Wrap with #ifndef _XXX_FLOAT_H_/#define _XXX_FLOAT_H_/ ... /#endif.
1995-06-20 20:45:22 +00:00
jtc
1d65cdd4ab
#include <sys/cdefs.h>.
...
Wrap __flt_rounds() declaration with __BEGIN_DECLS/__END_DECLS.
1995-06-20 20:32:22 +00:00
pk
a47021162b
Prototype sysarch(2) (Thorsten Lockert, PR#1096)
1995-06-05 19:36:23 +00:00
mycroft
4ea6427a03
Increase size of imask[]. Sigh.
1995-06-04 20:22:50 +00:00
mycroft
8bb190daa3
Add a separate IPL_IMP, used by splimp().
1995-06-04 08:29:41 +00:00
mycroft
d69f7885b7
Allow [nh]to[hn][ls]() to do constant folding.
1995-06-01 17:19:18 +00:00
jtc
8aa6c376b6
KERNEL -> _KERNEL
1995-05-11 16:52:54 +00:00
mycroft
4e9f66f9ca
Improve Linux signal emulation, and emulate the modify_ldt() call.
1995-05-07 02:59:30 +00:00
mycroft
6e02c4b647
Add a copy of the user code and data descriptors in the GDT.
1995-05-06 20:30:14 +00:00
mycroft
7a69a9c95b
Define i386_[gs]et_ldt_args here.
1995-05-06 19:19:57 +00:00
cgd
8703076975
define BROKEN_SWAP and/or cpu_swapout as appropriate.
1995-05-05 03:41:51 +00:00
mycroft
40b72cc7a2
Wrap NGDT and NLDT in parens.
1995-05-04 05:37:39 +00:00
mycroft
029176e96b
Add PCB_USEDFPU.
1995-05-03 00:08:19 +00:00
mycroft
4eea138a48
Add sc_gs and sc_fs. Move sc_onstack and sc_mask to end.
1995-05-01 14:14:11 +00:00
mycroft
bbfcbb8483
Add VM86 segment registers to trapframe.
1995-05-01 14:13:26 +00:00
mycroft
ae11bd216c
Remove historical garbage.
1995-05-01 08:14:25 +00:00
mycroft
5a7e987371
Make md_regs a pointer to a trapframe.
1995-05-01 07:56:20 +00:00
mycroft
8b51849f9d
Make this includable from locore. Remove unused GDT and LDT slots.
1995-05-01 07:37:43 +00:00
mycroft
c2e46efab2
Rename ibcs2_sigflags to __spare, but leave the space for now.
1995-05-01 04:53:24 +00:00
mycroft
92e9818c88
Expose idt[] here.
1995-05-01 04:49:51 +00:00
mycroft
b8d3de2758
Add pcb_cr0.
1995-05-01 04:49:28 +00:00
christos
de42a28a1b
- added sunos_machdep.c for sun3, atari, amiga and mac68k.
...
- changed machdep.c and trap.c to use struct emul.
- remove ep_setup references.
- added struct emul to all emulations.
1995-04-22 20:24:40 +00:00
mycroft
20cf41aa94
Clean this up a bit:
...
* Abstract the conditional for immediate port numbers, and make it always
false if not optimizing.
* Add some whitespace to the string functions to make them more readable.
1995-04-22 03:59:59 +00:00
mycroft
b4813fa24a
Alias delay() to DELAY() for mi code.
1995-04-21 21:56:01 +00:00
mycroft
22cefc03bc
Bring back pmap_kernel(), for now always inlined as a pointer to
...
kernel_pmap_store.
1995-04-10 12:41:29 +00:00
mycroft
e957423a98
Move fp_except and fp_rnd definitions to machine/include.
1995-04-09 21:31:58 +00:00
fvdl
fb00b736fd
Arch dependant defs for Linux. Just signal stackframe definition for now.
1995-04-07 22:31:19 +00:00
jtc
ec2bda0f0b
Changed FLT_ROUNDS from constant to a call to __flt_rounds(), so that the
...
current rounding mode is accurately reported.
1995-04-07 15:00:54 +00:00
christos
0fd8f81d69
Reorganization of the signal frame and ucontext to make it shareable with
...
the sparc code. Added trap defines.
1995-03-31 02:51:37 +00:00
jtc
71ab4ed9dc
KERNEL -> _KERNEL
1995-03-28 18:13:48 +00:00
jtc
f86410093b
Changed name of __weak_reference() to __indr_reference(). They really
...
are indirect references, and I want to add a real __weak_reference()
macro to <machine/cdefs.h> soon.
1995-03-23 19:58:48 +00:00
cgd
b8403d582b
don't be so quick to cast macro arguments to unsigned; if the
...
arguments are really off_t's (e.g. to btodb), then you can lose
information. This was the "> 4G file systems don't work" bug; physio
uses btodb, which was broken.
1995-03-18 07:22:43 +00:00
christos
bbcbf6ccbf
Added defines for svr4_sysarch()
1995-02-01 01:40:25 +00:00
jtc
830a53e394
ANSI says that <stdarg.h>'s va_end macro must expand to a void expression.
...
For consistancy, I'm changing <varargs.h> too.
1995-01-28 01:51:46 +00:00
mycroft
7b87637bb3
Rearrange struct reg to match what the rest of the world expects.
1995-01-26 18:12:03 +00:00
christos
cf1d6b55f3
Modify the floating point part of our context to reflect reality.
1995-01-25 04:18:52 +00:00
jtc
9540190d45
This file, which will be included by <sys/cdefs.h>, will contain macros
...
such as __warn_references() and __weak_reference() which are actually
machine dependant. This will make it easier for ports that are being
bootstraped with ELF and ECOFF based toolchains.
This change also introduces a new macro, _C_LABEL(x). _C_LABEL expands
its argument, an identifier, to a character string of the identifier
name as it is represented in an object file.
For most ports, _C_LABEL(x) will expand to "_x", for ELF based ports
_C_LABEL(x) will expand to "x".
1995-01-19 01:38:36 +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
jtc
d7a8b2964f
Only define sig_atomic_t when _ANSI_SOURCE is defined.
1995-01-10 19:01:00 +00:00
christos
b006bf7e68
Added missing forward declaration
1995-01-09 01:05:24 +00:00
christos
e1c97cde06
New file for signal handling and {g,s}etcontext().
1995-01-08 21:23:31 +00:00
mycroft
d16dcced99
Add interrupt sharing types.
1995-01-03 01:19:19 +00:00
cgd
7b8535b554
do the right thing with strange-sized varargs objects.
1994-12-28 22:45:42 +00:00
cgd
e5049f4d59
make the definition of _JBLEN mach. dep. header-dependent.
1994-12-20 10:36:27 +00:00
mycroft
d2d4dc4654
Use immediate constants for port numbers < 0x100.
1994-11-20 21:36:44 +00:00
christos
f63115591a
Included <sys/cdefs.h> since this file is now using __signed.
...
It broke non gnu compilers.
1994-11-20 18:50:18 +00:00
mycroft
e075f8c13d
Convert port, IRQ, and DRQ numbers to ints.
1994-11-18 22:18:35 +00:00
mycroft
1c5ac2e88c
pcb.h requires segments.h now.
1994-11-08 23:09:21 +00:00
mycroft
205d425f2f
As pointed out by Bruce, splsoftclock() needs to process pending interrupts
...
when lowering the priority. Do this by simply calling splx(). For the
benefit of NFS (for now), modify splx() to return a value so that
splsoftclock() does. This work is optimized out for every use of splx()
that ignores the value, so it only affects relevant code.
Also, clean up this file a little.
1994-11-06 01:37:47 +00:00
mycroft
c2191a2ad0
Fully prototype ssdtosd() and sdtossd().
1994-11-05 03:20:36 +00:00
mycroft
34c4570d61
Only use ssdtosd() when creating, expanding, or copying the LDT. Keep a copy
...
of the result in the PCB so it can be loaded quickly on context switches.
1994-11-05 03:17:33 +00:00
andrew
20cc8b6c5c
Increase NKPDE to cope with 64MB RAM.
1994-10-31 06:30:52 +00:00