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* Remove advertising clause from University of California Regent's license,imp2004-04-051-4/+0
| | | | | | per letter dated July 22, 1999. Approved by: core
* MFi386 rev 1.37: constant-friendly bswap macrospeter2003-09-221-4/+70
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* Commit MD parts of a loosely functional AMD64 port. This is based onpeter2003-05-011-7/+8
| | | | | | | | | | | | | | | | | | | | | | a heavily stripped down FreeBSD/i386 (brutally stripped down actually) to attempt to get a stable base to start from. There is a lot missing still. Worth noting: - The kernel runs at 1GB in order to cheat with the pmap code. pmap uses a variation of the PAE code in order to avoid having to worry about 4 levels of page tables yet. - It boots in 64 bit "long mode" with a tiny trampoline embedded in the i386 loader. This simplifies locore.s greatly. - There are still quite a few fragments of i386-specific code that have not been translated yet, and some that I cheated and wrote dumb C versions of (bcopy etc). - It has both int 0x80 for syscalls (but using registers for argument passing, as is native on the amd64 ABI), and the 'syscall' instruction for syscalls. int 0x80 preserves all registers, 'syscall' does not. - I have tried to minimize looking at the NetBSD code, except in a couple of places (eg: to find which register they use to replace the trashed %rcx register in the syscall instruction). As a result, there is not a lot of similarity. I did look at NetBSD a few times while debugging to get some ideas about what I might have done wrong in my first attempt.
* Be careful not to define GCC-specific optimizations in the non-GCCmike2002-09-231-2/+11
| | | | case.
* o Merge <machine/ansi.h> and <machine/types.h> into a new headermike2002-08-211-1/+1
| | | | | | | | | | | | | | | | | | | | | called <machine/_types.h>. o <machine/ansi.h> will continue to live so it can define MD clock macros, which are only MD because of gratuitous differences between architectures. o Change all headers to make use of this. This mainly involves changing: #ifdef _BSD_FOO_T_ typedef _BSD_FOO_T_ foo_t; #undef _BSD_FOO_T_ #endif to: #ifndef _FOO_T_DECLARED typedef __foo_t foo_t; #define _FOO_T_DECLARED #endif Concept by: bde Reviewed by: jake, obrien
* This is the start of the FreeBSD/x86_64 kernel.obrien2002-06-301-0/+119
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