xenfunc.c revision 1.2.16.3
1 1.2.16.3 matt /* xenfunc.c,v 1.2.16.2 2008/01/09 01:50:17 matt Exp */ 2 1.2.16.2 matt 3 1.2.16.2 matt /* 4 1.2.16.2 matt * 5 1.2.16.2 matt * Copyright (c) 2004 Christian Limpach. 6 1.2.16.2 matt * All rights reserved. 7 1.2.16.2 matt * 8 1.2.16.2 matt * Redistribution and use in source and binary forms, with or without 9 1.2.16.2 matt * modification, are permitted provided that the following conditions 10 1.2.16.2 matt * are met: 11 1.2.16.2 matt * 1. Redistributions of source code must retain the above copyright 12 1.2.16.2 matt * notice, this list of conditions and the following disclaimer. 13 1.2.16.2 matt * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.16.2 matt * notice, this list of conditions and the following disclaimer in the 15 1.2.16.2 matt * documentation and/or other materials provided with the distribution. 16 1.2.16.2 matt * 3. All advertising materials mentioning features or use of this software 17 1.2.16.2 matt * must display the following acknowledgement: 18 1.2.16.2 matt * This product includes software developed by Christian Limpach. 19 1.2.16.2 matt * 4. The name of the author may not be used to endorse or promote products 20 1.2.16.2 matt * derived from this software without specific prior written permission. 21 1.2.16.2 matt * 22 1.2.16.2 matt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.2.16.2 matt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.16.2 matt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.16.2 matt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.2.16.2 matt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.2.16.2 matt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.2.16.2 matt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.2.16.2 matt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.2.16.2 matt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.2.16.2 matt * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.2.16.2 matt */ 33 1.2.16.2 matt 34 1.2.16.3 matt #include <sys/cdefs.h> 35 1.2.16.3 matt __KERNEL_RCSID(0, "$NetBSD: xenfunc.c,v 1.2.16.3 2008/03/23 02:04:30 matt Exp $"); 36 1.2.16.3 matt 37 1.2.16.2 matt #include <sys/param.h> 38 1.2.16.2 matt 39 1.2.16.2 matt #include <uvm/uvm_extern.h> 40 1.2.16.2 matt 41 1.2.16.2 matt #include <machine/intr.h> 42 1.2.16.2 matt #include <machine/vmparam.h> 43 1.2.16.2 matt #include <machine/pmap.h> 44 1.2.16.2 matt #include <xen/xen.h> 45 1.2.16.2 matt #include <xen/hypervisor.h> 46 1.2.16.2 matt //#include <xen/evtchn.h> 47 1.2.16.2 matt #include <xen/xenpmap.h> 48 1.2.16.2 matt #include <machine/pte.h> 49 1.2.16.2 matt 50 1.2.16.2 matt #ifdef XENDEBUG_LOW 51 1.2.16.2 matt #define __PRINTK(x) printk x 52 1.2.16.2 matt #else 53 1.2.16.2 matt #define __PRINTK(x) 54 1.2.16.2 matt #endif 55 1.2.16.2 matt 56 1.2.16.2 matt void xen_set_ldt(vaddr_t, uint32_t); 57 1.2.16.2 matt 58 1.2.16.2 matt void 59 1.2.16.2 matt invlpg(vaddr_t addr) 60 1.2.16.2 matt { 61 1.2.16.2 matt int s = splvm(); 62 1.2.16.2 matt xpq_queue_invlpg(addr); 63 1.2.16.2 matt xpq_flush_queue(); 64 1.2.16.2 matt splx(s); 65 1.2.16.2 matt } 66 1.2.16.2 matt 67 1.2.16.2 matt #ifndef __x86_64__ 68 1.2.16.2 matt void 69 1.2.16.2 matt lldt(u_short sel) 70 1.2.16.2 matt { 71 1.2.16.2 matt 72 1.2.16.2 matt /* __PRINTK(("ldt %x\n", IDXSELN(sel))); */ 73 1.2.16.2 matt if (sel == GSEL(GLDT_SEL, SEL_KPL)) 74 1.2.16.2 matt xen_set_ldt((vaddr_t)ldt, NLDT); 75 1.2.16.2 matt else 76 1.2.16.2 matt xen_set_ldt(cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_base, 77 1.2.16.2 matt cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_entries); 78 1.2.16.2 matt } 79 1.2.16.2 matt #endif 80 1.2.16.2 matt 81 1.2.16.2 matt void 82 1.2.16.2 matt ltr(u_short sel) 83 1.2.16.2 matt { 84 1.2.16.2 matt __PRINTK(("XXX ltr not supported\n")); 85 1.2.16.2 matt } 86 1.2.16.2 matt 87 1.2.16.2 matt void 88 1.2.16.2 matt lcr0(u_int val) 89 1.2.16.2 matt { 90 1.2.16.2 matt __PRINTK(("XXX lcr0 not supported\n")); 91 1.2.16.2 matt } 92 1.2.16.2 matt 93 1.2.16.2 matt u_int 94 1.2.16.2 matt rcr0(void) 95 1.2.16.2 matt { 96 1.2.16.2 matt __PRINTK(("XXX rcr0 not supported\n")); 97 1.2.16.2 matt return 0; 98 1.2.16.2 matt } 99 1.2.16.2 matt 100 1.2.16.2 matt #ifndef __x86_64__ 101 1.2.16.2 matt void 102 1.2.16.2 matt lcr3(vaddr_t val) 103 1.2.16.2 matt { 104 1.2.16.2 matt int s = splvm(); 105 1.2.16.2 matt xpq_queue_pt_switch(xpmap_ptom_masked(val)); 106 1.2.16.2 matt xpq_flush_queue(); 107 1.2.16.2 matt splx(s); 108 1.2.16.2 matt } 109 1.2.16.2 matt #endif 110 1.2.16.2 matt 111 1.2.16.2 matt void 112 1.2.16.2 matt tlbflush(void) 113 1.2.16.2 matt { 114 1.2.16.2 matt int s = splvm(); 115 1.2.16.2 matt xpq_queue_tlb_flush(); 116 1.2.16.2 matt xpq_flush_queue(); 117 1.2.16.2 matt splx(s); 118 1.2.16.2 matt } 119 1.2.16.2 matt 120 1.2.16.2 matt void 121 1.2.16.2 matt tlbflushg(void) 122 1.2.16.2 matt { 123 1.2.16.2 matt tlbflush(); 124 1.2.16.2 matt } 125 1.2.16.2 matt 126 1.2.16.2 matt vaddr_t 127 1.2.16.2 matt rdr6(void) 128 1.2.16.2 matt { 129 1.2.16.2 matt u_int val; 130 1.2.16.2 matt 131 1.2.16.2 matt val = HYPERVISOR_get_debugreg(6); 132 1.2.16.2 matt return val; 133 1.2.16.2 matt } 134 1.2.16.2 matt 135 1.2.16.2 matt void 136 1.2.16.2 matt ldr6(vaddr_t val) 137 1.2.16.2 matt { 138 1.2.16.2 matt 139 1.2.16.2 matt HYPERVISOR_set_debugreg(6, val); 140 1.2.16.2 matt } 141 1.2.16.2 matt 142 1.2.16.2 matt void 143 1.2.16.2 matt wbinvd(void) 144 1.2.16.2 matt { 145 1.2.16.2 matt 146 1.2.16.2 matt xpq_flush_cache(); 147 1.2.16.2 matt } 148 1.2.16.2 matt 149 1.2.16.2 matt vaddr_t 150 1.2.16.2 matt rcr2(void) 151 1.2.16.2 matt { 152 1.2.16.2 matt #ifdef XEN3 153 1.2.16.2 matt return HYPERVISOR_shared_info->vcpu_info[0].arch.cr2; /* XXX curcpu */ 154 1.2.16.2 matt #else 155 1.2.16.2 matt return 0; 156 1.2.16.2 matt #endif 157 1.2.16.2 matt } 158
Indexes created Thu Oct 02 14:10:14 GMT 2025