mycroft
88e512b693
LOCORE -> _LOCORE
1996-02-01 22:28:24 +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
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
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
mycroft
6e02c4b647
Add a copy of the user code and data descriptors in the GDT.
1995-05-06 20:30:14 +00:00
mycroft
40b72cc7a2
Wrap NGDT and NLDT in parens.
1995-05-04 05:37:39 +00:00
mycroft
8b51849f9d
Make this includable from locore. Remove unused GDT and LDT slots.
1995-05-01 07:37:43 +00:00
mycroft
92e9818c88
Expose idt[] here.
1995-05-01 04:49:51 +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
c2191a2ad0
Fully prototype ssdtosd() and sdtossd().
1994-11-05 03:20:36 +00:00
cgd
022ee8f7fe
new RCS ID format.
1994-10-27 04:14:23 +00:00
mycroft
c075fee1b2
Clean this up a little.
1994-04-03 18:53:53 +00:00
mycroft
2250fff236
Cleanup and garbage collection; nothing significant. From magnum branch.
1993-12-20 05:25:02 +00:00
brezak
b92626678c
Cleanup LDT/GDT defines
1993-10-26 15:53:54 +00:00
cgd
30177b538f
add rcsids to everything and clean up headers
1993-05-22 07:56:12 +00:00
cgd
5d07e08579
added changes from Steven Reiz <sreiz@aie.nl> (based on
...
those by Poul-Henning Kamp <phk@data.fls.dk>) to get the kernel
to compile properly when gcc2.* is cc. (should still work
when gcc1.39 is in use.)
1993-04-03 02:15:18 +00:00
cgd
61f282557f
initial import of 386bsd-0.1 sources
1993-03-21 09:45:37 +00:00
