135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/* $NetBSD: xenfunc.h,v 1.2 2004/05/07 14:01:33 cl Exp $ */
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/*
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*
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* Copyright (c) 2004 Christian Limpach.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian Limpach.
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* 4. 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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#ifndef _XEN_XENFUNC_H_
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#define _XEN_XENFUNC_H_
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#include <machine/xen.h>
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#include <machine/hypervisor.h>
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#include <machine/xenpmap.h>
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#include <machine/pte.h>
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#ifdef XENDEBUG_LOW
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#define __PRINTK(x) printk x
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#else
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#define __PRINTK(x)
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#endif
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void xen_set_ldt(vaddr_t, uint32_t);
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void xen_update_descriptor(union descriptor *, union descriptor *);
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static __inline void
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invlpg(u_int addr)
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{
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xpq_queue_invlpg(addr);
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xpq_flush_queue();
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}
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static __inline void
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lldt(u_short sel)
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{
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/* __PRINTK(("ldt %x\n", IDXSELN(sel))); */
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if (sel == GSEL(GLDT_SEL, SEL_KPL))
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xen_set_ldt((vaddr_t)ldt, NLDT);
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else
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xen_set_ldt(cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_base,
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cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_entries);
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}
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static __inline void
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ltr(u_short sel)
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{
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__PRINTK(("XXX ltr not supported\n"));
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}
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static __inline void
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lcr0(u_int val)
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{
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__PRINTK(("XXX lcr0 not supported\n"));
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}
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static __inline u_int
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rcr0(void)
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{
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__PRINTK(("XXX rcr0 not supported\n"));
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return 0;
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}
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#define lcr3(_v) _lcr3((_v), __FILE__, __LINE__)
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static __inline void
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_lcr3(u_int val, char *file, int line)
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{
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/* __PRINTK(("lcr3 %08x at %s:%d\n", val, file, line)); */
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xpq_queue_pt_switch(xpmap_ptom(val) & PG_FRAME);
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xpq_flush_queue();
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}
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static __inline void
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tlbflush(void)
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{
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xpq_queue_tlb_flush();
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xpq_flush_queue();
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}
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static __inline u_int
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rdr6(void)
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{
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u_int val;
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val = HYPERVISOR_get_debugreg(6);
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return val;
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}
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static __inline void
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ldr6(u_int val)
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{
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HYPERVISOR_set_debugreg(6, val);
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}
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static __inline void
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disable_intr(void)
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{
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__cli();
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}
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static __inline void
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enable_intr(void)
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{
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__sti();
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}
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#endif /* _XEN_XENFUNC_H_ */
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