1 /* $NetBSD: cpu.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center, and by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 41 /*- 42 * Copyright (c) 1988 University of Utah. 43 * Copyright (c) 1982, 1990, 1993 44 * The Regents of the University of California. All rights reserved. 45 * 46 * This code is derived from software contributed to Berkeley by 47 * the Systems Programming Group of the University of Utah Computer 48 * Science Department. 49 * 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 1. Redistributions of source code must retain the above copyright 54 * notice, this list of conditions and the following disclaimer. 55 * 2. Redistributions in binary form must reproduce the above copyright 56 * notice, this list of conditions and the following disclaimer in the 57 * documentation and/or other materials provided with the distribution. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 75 * 76 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 77 */ 78 79 80 #ifndef _IA64_CPU_H_ 81 #define _IA64_CPU_H_ 82 83 #ifdef _KERNEL 84 #include <sys/cpu_data.h> 85 #include <sys/cc_microtime.h> 86 #include <machine/frame.h> 87 #include <machine/ia64_cpu.h> 88 89 90 struct cpu_info { 91 struct device *ci_dev; /* pointer to our device */ 92 struct cpu_info *ci_self; /* self-pointer */ 93 /* 94 * Public members. 95 */ 96 struct lwp *ci_curlwp; /* current owner of the processor */ 97 struct cpu_data ci_data; /* MI per-cpu data */ 98 struct cc_microtime_state ci_cc;/* cc_microtime state */ 99 struct cpu_info *ci_next; /* next cpu_info structure */ 100 101 /* XXX: Todo */ 102 /* 103 * Private members. 104 */ 105 cpuid_t ci_cpuid; /* our CPU ID */ 106 struct pmap *ci_pmap; /* current pmap */ 107 struct lwp *ci_fpcurlwp; /* current owner of the FPU */ 108 paddr_t ci_curpcb; /* PA of current HW PCB */ 109 struct pcb *ci_idle_pcb; /* our idle PCB */ 110 struct cpu_softc *ci_softc; /* pointer to our device */ 111 u_long ci_want_resched; /* preempt current process */ 112 u_long ci_intrdepth; /* interrupt trap depth */ 113 struct trapframe *ci_db_regs; /* registers for debuggers */ 114 }; 115 116 117 extern struct cpu_info cpu_info_primary; 118 119 #ifdef MULTIPROCESSOR 120 /* XXX: TODO */ 121 #else 122 #define curcpu() (&cpu_info_primary) 123 #endif /* MULTIPROCESSOR */ 124 125 #define cpu_number() 0 /*XXX: FIXME */ 126 127 #define aston(p) ((p)->p_md.md_astpending = 1) 128 129 #define need_resched(ci) /*XXX: FIXME */ 130 131 struct clockframe { 132 struct trapframe cf_tf; 133 }; 134 135 #define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip) 136 #define CLKF_CPL(cf) ((cf)->cf_tf.tf_special.psr & IA64_PSR_CPL) 137 #define CLKF_USERMODE(cf) (CLKF_CPL(cf) != IA64_PSR_CPL_KERN) 138 #define CLKF_BASEPRI(frame) (0) /*XXX: CHECKME */ 139 #define CLKF_INTR(frame) (curcpu()->ci_intrdepth) 140 141 #define TRAPF_PC(tf) ((tf)->tf_special.iip) 142 #define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL) 143 #define TRAPF_USERMODE(tf) (TRAPF_CPL(tf) != IA64_PSR_CPL_KERN) 144 145 146 147 148 149 150 151 /* 152 * Give a profiling tick to the current process when the user profiling 153 * buffer pages are invalid. XXX:Fixme.... On the ia64 I haven't yet figured 154 * out what to do about this.. XXX. 155 */ 156 157 158 #define need_proftick(p) 159 160 /* 161 * Notify the current process (p) that it has a signal pending, 162 * process as soon as possible. 163 */ 164 #define signotify(p) aston(p) 165 166 #define setsoftclock() /*XXX: FIXME */ 167 168 /* machdep.c */ 169 int cpu_maxproc(void); /*XXX: Fill in machdep.c */ 170 171 #define cpu_proc_fork(p1, p2) /* XXX: Look into this. */ 172 173 174 /* XXX: TODO: generic microtime support kern/kern_microtime.c 175 * #define microtime(tv) cc_microtime(tv) 176 */ 177 178 179 #endif /* _KERNEL_ */ 180 #endif /* _IA64_CPU_H */ 181