mycroft
7149c5ff14
VM86 support, by John Kohl, touched up a bit by me.
1996-01-08 13:51:30 +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
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
mycroft
029176e96b
Add PCB_USEDFPU.
1995-05-03 00:08:19 +00:00
mycroft
ae11bd216c
Remove historical garbage.
1995-05-01 08:14:25 +00:00
mycroft
b8d3de2758
Add pcb_cr0.
1995-05-01 04:49:28 +00:00
jtc
71ab4ed9dc
KERNEL -> _KERNEL
1995-03-28 18:13:48 +00:00
mycroft
1c5ac2e88c
pcb.h requires segments.h now.
1994-11-08 23:09:21 +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
cgd
022ee8f7fe
new RCS ID format.
1994-10-27 04:14:23 +00:00
cgd
9e66548df2
struct md_coredump
1994-05-21 06:48:05 +00:00
mycroft
6c32b87568
Remove two unused fields.
1993-12-21 09:47:45 +00:00
mycroft
fccc819b20
Fold in most of the magnum vm changes.
1993-12-14 05:31:17 +00:00
brezak
a3e9fd6947
Add per-process LDT slot.
1993-09-19 18:59:17 +00:00
brezak
cb098b5eb0
Changes to use a trap frame for syscalls.
1993-09-16 03:24:13 +00:00
andrew
a9f16886f9
Re-entrancy protection.
1993-06-27 04:50:12 +00:00
cgd
f9518c61da
get rid of last bit of signal-trampoline-in-pcb hackery
1993-06-02 04:28:37 +00:00
cgd
6738d12182
set things up so that the signal trampoline code is on the stack,
...
like it normally is in BSD systems. still has a bit of hair...
1993-06-02 04:11:48 +00:00
cgd
30177b538f
add rcsids to everything and clean up headers
1993-05-22 07:56:12 +00:00
deraadt
9948c39839
npx patches from Bruce Evans. patchkit 10002
1993-05-09 23:02:34 +00:00
cgd
61f282557f
initial import of 386bsd-0.1 sources
1993-03-21 09:45:37 +00:00
