2 * Copyright (c) 1990 The Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 * from: @(#)sys_machdep.c 5.5 (Berkeley) 1/19/91
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
38 #include <sys/sysproto.h>
39 #include <sys/syscall.h>
40 #include <sys/sysent.h>
42 #include <machine/cpufunc.h>
43 #include <machine/cpuinfo.h>
44 #include <machine/sysarch.h>
45 #include <machine/cpuregs.h>
46 #include <machine/tls.h>
48 #ifndef _SYS_SYSPROTO_H_
56 sysarch(struct thread *td, struct sysarch_args *uap)
63 td->td_md.md_tls = uap->parms;
66 * If there is an user local register implementation (ULRI)
67 * update it as well. Add the TLS and TCB offsets so the
68 * value in this register is adjusted like in the case of the
69 * rdhwr trap() instruction handler.
71 if (cpuinfo.userlocal_reg == true) {
72 mips_wr_userlocal((unsigned long)(uap->parms +
73 td->td_md.md_tls_tcb_offset));
77 tlsbase = td->td_md.md_tls;
78 error = copyout(&tlsbase, uap->parms, sizeof(tlsbase));