sun-lamp CVS commits

[The Source of All Evil <source>]

mycroft
Wed Oct 11 00:20:29 EDT 1995
Update of /a/cvsroot/src/sys/arch/i386/include
In directory pain.lcs.mit.edu:/a/users/mycroft/sys/arch/i386/include

Modified Files:
        cpu.h frame.h pcb.h pmap.h psl.h reg.h segments.h sysarch.h 
        tss.h 
Added Files:
        gdt.h 
Log Message:
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.

mycroft
Wed Oct 11 00:20:35 EDT 1995
Update of /a/cvsroot/src/sys/arch/i386/isa
In directory pain.lcs.mit.edu:/a/users/mycroft/sys/arch/i386/isa

Modified Files:
        icu.s pccons.c 
Log Message:
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.