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82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* $NetBSD: linux_sys_machdep.c,v 1.14 2010/07/07 01:30:33 chs Exp $ */
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/*-
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* Copyright (c) 2002 Ben Harris
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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__KERNEL_RCSID(0, "$NetBSD: linux_sys_machdep.c,v 1.14 2010/07/07 01:30:33 chs Exp $");
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#include <sys/systm.h>
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#include <sys/signalvar.h>
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#include <sys/lwp.h>
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#include <sys/cpu.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_siginfo.h>
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#include <compat/linux/common/linux_machdep.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <arm/cpufunc.h>
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int
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linux_sys_breakpoint(struct lwp *l, const void *v, register_t *retval)
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{
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ksiginfo_t ksi;
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KSI_INIT_TRAP(&ksi);
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ksi.ksi_signo = SIGTRAP;
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ksi.ksi_code = TRAP_BRKPT;
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trapsignal(l, &ksi);
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return ERESTART; /* Leave PC pointing back at the breakpoint. */
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}
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int
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linux_sys_cacheflush(struct lwp *l, const struct linux_sys_cacheflush_args *uap, register_t *retval)
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{
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#ifndef acorn26
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/* {
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syscallarg(uintptr_t) from;
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syscallarg(uintptr_t) to;
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syscallarg(int) flags;
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} */
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cpu_icache_sync_range(SCARG(uap, from),
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SCARG(uap, to) - SCARG(uap, from) + 1);
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#endif
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*retval = 0;
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return 0;
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}
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int
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linux_sys_set_tls(struct lwp *l, const struct linux_sys_set_tls_args *uap, register_t *retval)
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{
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return lwp_setprivate(l, SCARG(uap, tls));
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}
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