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d7629dff3b
freebsd-dev/sys/kern
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Satoshi Asami d7629dff3b A fast memory copy for Pentiums using floating point registers. 
It is called from copyin and copyout.

The new routine is conditioned on I586_CPU and I586_FAST_BCOPY, so you
need

options "I586_FAST_BCOPY"

(quotes essenstial) in your kernel config file.

Also, if you have other kernel types configured in your kernel, an
additional check to make sure it is running on a Pentium is inserted.
(It is not clear why it doesn't help on P6s, it may be just that the
 Orion chipset doesn't prefetch as efficiently as Tritons and friends.)

Bruce can now hack this away. :)
1996-06-13 07:17:21 +00:00
..
imgact_aout.c First pass at cleaning up macros relating to pages, clusters and all that. 1996-05-02 10:43:17 +00:00
imgact_elf.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
imgact_gzip.c First pass at cleaning up macros relating to pages, clusters and all that. 1996-05-02 10:43:17 +00:00
imgact_shell.c Killed sections 3 and 4 of my copyright as I don't agree with it (I believe 1996-04-08 01:22:00 +00:00
inflate.c Removed unnecessary #includes of vm stuff. Most of them were once 1995-12-06 23:37:44 +00:00
init_main.c Change the symbol name used in the last commit from USRSTACK to 1996-06-11 23:50:48 +00:00
init_sysent.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
init_sysvec.c Mega-commit for Linux emulator update.. This has been stress tested under 1996-03-02 19:38:20 +00:00
kern_acct.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
kern_clock.c Staticize. 1995-12-17 21:23:44 +00:00
kern_conf.c kern_conf.c: remove a now unused variable. 1995-12-22 15:56:35 +00:00
kern_descrip.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
kern_devconf.c Externalize the declaration of dc_list. This is required in order to 1996-06-12 15:10:30 +00:00
kern_exec.c Use kmem_alloc_wait/kmem_free_wakeup() to avoid allocation failures 1996-06-03 04:12:18 +00:00
kern_exit.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
kern_fork.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
kern_ktrace.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
kern_lkm.c Change the *evil* allocation of memory from kmem_map to the kernel_map. 1996-05-24 01:39:50 +00:00
kern_lockf.c A Major staticize sweep. Generates a couple of warnings that I'll deal 1995-12-14 08:32:45 +00:00
kern_malloc.c Minor performance improvement to kern_malloc.c that increases the 1996-05-18 22:33:13 +00:00
kern_mib.c Move the "mib" variables out to their own file. 1996-04-07 13:03:06 +00:00
kern_ntptime.c Removed unnecessary #includes of vm stuff. Most of them were once 1995-12-06 23:37:44 +00:00
kern_physio.c devsw tables are now arrays of POINTERS to struct [cb]devsw 1995-12-13 15:13:57 +00:00
kern_proc.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
kern_prot.c Fix a panic caused by (proc)->p_session being dereferenced for a process 1996-05-30 01:21:50 +00:00
kern_random.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
kern_resource.c Fixed accumulation of run time for processes that don't accumulate 1996-06-08 11:48:28 +00:00
kern_sig.c Removed unnecessary #includes from <sys/imgact.h> so that it is 1996-05-01 02:43:13 +00:00
kern_subr.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
kern_synch.c Don't generate code for the unused function sleep(). 1996-04-07 13:35:58 +00:00
kern_sysctl.c Implemented 'kern_sysctl', which differs from 'userland_sysctl' in that 1996-06-10 16:23:42 +00:00
kern_tc.c Staticize. 1995-12-17 21:23:44 +00:00
kern_time.c Updated some comments in settimeofday(). 1996-06-08 11:55:32 +00:00
kern_timeout.c Staticize. 1995-12-17 21:23:44 +00:00
kern_xxx.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
Make.tags.inc Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
Makefile Remove bogus architectures to allow make tags to work. 1996-03-31 18:53:43 +00:00
makesyscalls.sh Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
md5c.c Clean a bunch of -Wall warnings. 1995-02-24 08:51:34 +00:00
subr_autoconf.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
subr_clist.c Killed sections 3 and 4 of my copyright as I don't agree with it (I believe 1996-04-08 01:22:00 +00:00
subr_disklabel.c Clean up various compiler warnings. Most (if not all) were benign 1996-05-08 04:29:08 +00:00
subr_diskmbr.c Removed now-unused #includes of <machine/cpu.h>. They were for bootverbose 1996-04-07 17:32:42 +00:00
subr_diskslice.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
subr_dkbad.c Fix a bug that b_flags was getting unnecessarily modified by 1996-03-01 19:01:04 +00:00
subr_log.c Fixed name of /dev/fs/klog (it's not "log"). 1996-03-27 19:45:28 +00:00
subr_param.c Add an option "EXTRA_VNODES" to cause an extra number of vnode structures 1996-05-31 00:20:34 +00:00
subr_prf.c Correct a comment. There is no fn `kprintf' 1996-05-09 18:58:06 +00:00
subr_prof.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
subr_rlist.c In order to fix some concurrency problems with the swap pager early 1996-03-03 21:11:08 +00:00
subr_trap.c A fast memory copy for Pentiums using floating point registers. 1996-06-13 07:17:21 +00:00
subr_xxx.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
sys_generic.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
sys_pipe.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
sys_process.c Remove the now-unnecessary and incorrect wiring of the "other" processes 1996-06-02 06:24:27 +00:00
sys_socket.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
syscalls.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
syscalls.master Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
sysv_ipc.c kern_descrip.c: add fdshare()/fdcopy() 1996-02-23 18:49:25 +00:00
sysv_msg.c Somehow managed to miss these four files when converting the SYSV IPC 1996-01-05 16:38:03 +00:00
sysv_sem.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
sysv_shm.c uninitialized auto variable shmseg is used in ... 1996-05-05 13:53:48 +00:00
tty_compat.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
tty_conf.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
tty_cons.c Removed unused #include. 1996-05-01 03:32:46 +00:00
tty_pty.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
tty_snoop.c Switched from using devfs_add_devsw() to devfs_add_devswf() 1996-03-28 14:31:42 +00:00
tty_subr.c Killed sections 3 and 4 of my copyright as I don't agree with it (I believe 1996-04-08 01:22:00 +00:00
tty_tb.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
tty_tty.c Switched from using devfs_add_devsw() to devfs_add_devswf() 1996-03-28 14:31:42 +00:00
tty.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
uipc_domain.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
uipc_mbuf.c Ups, I removed NMB_INIT too. 1996-05-12 07:48:47 +00:00
uipc_proto.c Clean up various compiler warnings. Most (if not all) were benign 1996-05-08 04:29:08 +00:00
uipc_sockbuf.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
uipc_socket2.c Clean up -Wunused warnings. 1996-06-12 05:11:41 +00:00
uipc_socket.c Make it possible to return more than one piece of control information 1996-05-09 20:15:26 +00:00
uipc_syscalls.c Make it possible to return more than one piece of control information 1996-05-09 20:15:26 +00:00
uipc_usrreq.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vfs_bio.c Keep brelse from freeing busy pages. 1996-05-31 00:41:37 +00:00
vfs_cache.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vfs_cluster.c Fix an error when B_MALLOC buffers are returned from the cluster read 1996-06-03 04:40:35 +00:00
vfs_conf.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vfs_export.c Add an option "EXTRA_VNODES" to cause an extra number of vnode structures 1996-05-31 00:20:34 +00:00
vfs_extattr.c Dont allow directories to be link()ed or unlink()ed, even for root 1996-05-24 16:19:23 +00:00
vfs_init.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vfs_lookup.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vfs_mount.c Finished (?) cleaning up sysinit stuff. 1995-12-02 17:11:20 +00:00
vfs_subr.c Add an option "EXTRA_VNODES" to cause an extra number of vnode structures 1996-05-31 00:20:34 +00:00
vfs_syscalls.c Dont allow directories to be link()ed or unlink()ed, even for root 1996-05-24 16:19:23 +00:00
vfs_vnops.c Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vnode_if.pl Another mega commit to staticize things. 1995-12-14 09:55:16 +00:00
vnode_if.sh Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00
vnode_if.src Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all 1996-03-11 20:02:06 +00:00