/* $NetBSD: sys_machdep.c,v 1.10 2008/04/27 18:58:44 matt Exp $ */ /* * Copyright (c) 1995-1997 Mark Brinicombe. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mark Brinicombe * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * RiscBSD kernel project * * sys_machdep.c * * Machine dependant syscalls * * Created : 10/01/96 */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: sys_machdep.c,v 1.10 2008/04/27 18:58:44 matt Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/proc.h> #include <sys/mbuf.h> #include <sys/mount.h> #include <uvm/uvm_extern.h> #include <sys/sysctl.h> #include <sys/syscallargs.h> #include <machine/sysarch.h> /* Prototypes */ static int arm32_sync_icache(struct lwp *, const void *, register_t *); static int arm32_drain_writebuf(struct lwp *, const void *, register_t *); static int arm32_sync_icache(struct lwp *l, const void *args, register_t *retval) { struct arm_sync_icache_args ua; int error; if ((error = copyin(args, &ua, sizeof(ua))) != 0) return (error); pmap_icache_sync_range(vm_map_pmap(&l->l_proc->p_vmspace->vm_map), ua.addr, ua.addr + ua.len); *retval = 0; return(0); } static int arm32_drain_writebuf(struct lwp *l, const void *args, register_t *retval) { /* No args. */ cpu_drain_writebuf(); *retval = 0; return(0); } int sys_sysarch(struct lwp *l, const struct sys_sysarch_args *uap, register_t *retval) { /* { syscallarg(int) op; syscallarg(void *) parms; } */ int error = 0; switch(SCARG(uap, op)) { case ARM_SYNC_ICACHE : error = arm32_sync_icache(l, SCARG(uap, parms), retval); break; case ARM_DRAIN_WRITEBUF : error = arm32_drain_writebuf(l, SCARG(uap, parms), retval); break; default: error = EINVAL; break; } return (error); } /* End of sys_machdep.c */