cpu.h revision 115913
166458Sdfr/* $FreeBSD: head/sys/ia64/include/cpu.h 115913 2003-06-06 23:27:18Z marcel $ */ 266458Sdfr/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */ 366458Sdfr 466458Sdfr/* 566458Sdfr * Copyright (c) 1988 University of Utah. 666458Sdfr * Copyright (c) 1982, 1990, 1993 766458Sdfr * The Regents of the University of California. All rights reserved. 866458Sdfr * 966458Sdfr * This code is derived from software contributed to Berkeley by 1066458Sdfr * the Systems Programming Group of the University of Utah Computer 1166458Sdfr * Science Department. 1266458Sdfr * 1366458Sdfr * Redistribution and use in source and binary forms, with or without 1466458Sdfr * modification, are permitted provided that the following conditions 1566458Sdfr * are met: 1666458Sdfr * 1. Redistributions of source code must retain the above copyright 1766458Sdfr * notice, this list of conditions and the following disclaimer. 1866458Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1966458Sdfr * notice, this list of conditions and the following disclaimer in the 2066458Sdfr * documentation and/or other materials provided with the distribution. 2166458Sdfr * 3. All advertising materials mentioning features or use of this software 2266458Sdfr * must display the following acknowledgement: 2366458Sdfr * This product includes software developed by the University of 2466458Sdfr * California, Berkeley and its contributors. 2566458Sdfr * 4. Neither the name of the University nor the names of its contributors 2666458Sdfr * may be used to endorse or promote products derived from this software 2766458Sdfr * without specific prior written permission. 2866458Sdfr * 2966458Sdfr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 3066458Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 3166458Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3266458Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3366458Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3466458Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3566458Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3666458Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3766458Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3866458Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3966458Sdfr * SUCH DAMAGE. 4066458Sdfr * 4166458Sdfr * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 4266458Sdfr * 4366458Sdfr * @(#)cpu.h 8.4 (Berkeley) 1/5/94 4466458Sdfr */ 4566458Sdfr 4666458Sdfr#ifndef _MACHINE_CPU_H_ 4766458Sdfr#define _MACHINE_CPU_H_ 4866458Sdfr 4966458Sdfr#include <machine/frame.h> 5066458Sdfr 5166458Sdfr/* 52115084Smarcel * Arguments to hardclock and gatherstats encapsulate the previous machine 53115084Smarcel * state in an opaque clockframe. 5466458Sdfr */ 5566458Sdfrstruct clockframe { 56115084Smarcel struct trapframe cf_tf; 5766458Sdfr}; 58115084Smarcel#define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip) 59115084Smarcel#define CLKF_USERMODE(cf) ((CLKF_PC(cf) >> 61) < 5) 60115084Smarcel 61115084Smarcel/* Used by signaling code. */ 62115084Smarcel#define cpu_getstack(td) ((td)->td_frame->tf_special.sp) 63115084Smarcel 64115084Smarcel#define TRAPF_PC(tf) ((tf)->tf_special.iip) 65115913Smarcel#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL) 66115913Smarcel/* 67115913Smarcel * User mode for use by ast() and VM faults. It's takes into account 68115913Smarcel * that the gateway page is kernel space when looking at the VA, but 69115913Smarcel * is to be treated as user space when running with user priveleges. 70115913Smarcel */ 71115913Smarcel#define TRAPF_USERMODE(tf) \ 72115913Smarcel ((TRAPF_PC(tf) >> 61) < 5 || TRAPF_CPL(tf) == IA64_PSR_CPL_USER) 7372892Sjhb 7466458Sdfr/* 7566458Sdfr * CTL_MACHDEP definitions. 7666458Sdfr */ 7766458Sdfr#define CPU_CONSDEV 1 /* dev_t: console terminal device */ 7866458Sdfr#define CPU_ROOT_DEVICE 2 /* string: root device name */ 79115378Smarcel#define CPU_BOOTED_KERNEL 3 /* string: booted kernel name */ 80115378Smarcel#define CPU_ADJKERNTZ 4 /* int: timezone offset (seconds) */ 81115378Smarcel#define CPU_DISRTCSET 5 /* int: disable resettodr() call */ 82115378Smarcel#define CPU_WALLCLOCK 6 /* int: indicates wall CMOS clock */ 83115378Smarcel#define CPU_MAXID 7 /* valid machdep IDs */ 8466458Sdfr 8566458Sdfr#define CTL_MACHDEP_NAMES { \ 8666458Sdfr { 0, 0 }, \ 8766458Sdfr { "console_device", CTLTYPE_STRUCT }, \ 8866458Sdfr { "root_device", CTLTYPE_STRING }, \ 8966458Sdfr { "booted_kernel", CTLTYPE_STRING }, \ 9066458Sdfr { "adjkerntz", CTLTYPE_INT }, \ 9166458Sdfr { "disable_rtc_set", CTLTYPE_INT }, \ 9266458Sdfr { "wall_cmos_clock", CTLTYPE_INT }, \ 9366458Sdfr} 9466458Sdfr 9566458Sdfr#ifdef _KERNEL 9666458Sdfr 9766458Sdfrstruct pcb; 9883366Sjulianstruct thread; 9966458Sdfrstruct reg; 10066458Sdfrstruct rpb; 10166458Sdfrstruct trapframe; 10266458Sdfr 10366458Sdfrextern struct rpb *hwrpb; 10466458Sdfrextern volatile int mc_expected, mc_received; 10566458Sdfr 106115084Smarcelint badaddr(void *, size_t); 10792843Salfredint badaddr_read(void *, size_t, void *); 10892843Salfredu_int64_t console_restart(u_int64_t, u_int64_t, u_int64_t); 109115084Smarcelint do_ast(struct trapframe *); 11092843Salfredvoid dumpconf(void); 11192843Salfredvoid frametoreg(struct trapframe *, struct reg *); 11292843Salfredlong fswintrberr(void); /* MAGIC */ 113115084Smarcelint ia64_highfp_drop(struct thread *); 114115084Smarcelint ia64_highfp_load(struct thread *); 115115084Smarcelint ia64_highfp_save(struct thread *); 116115276Smarcelvoid ia64_init(void); 11792843Salfredint ia64_pa_access(u_long); 11892843Salfredvoid init_prom_interface(struct rpb*); 11992843Salfredvoid interrupt(u_int64_t, struct trapframe *); 120115084Smarcelvoid machine_check(unsigned long, struct trapframe *, unsigned long, 121115084Smarcel unsigned long); 12292843Salfredu_int64_t hwrpb_checksum(void); 12392843Salfredvoid hwrpb_restart_setup(void); 12492843Salfredvoid regdump(struct trapframe *); 12592843Salfredvoid regtoframe(struct reg *, struct trapframe *); 12692843Salfredvoid set_iointr(void (*)(void *, unsigned long)); 12792843Salfredvoid fork_trampoline(void); /* MAGIC */ 128115084Smarcelint syscall(struct trapframe *); 129115084Smarcelvoid trap(int vector, struct trapframe *framep); 13092675Spetervoid ia64_probe_sapics(void); 13196442Smarcelint ia64_count_cpus(void); 132115084Smarcelvoid map_gateway_page(void); 13392675Spetervoid map_pal_code(void); 134107206Smarcelvoid map_port_space(void); 13592675Spetervoid cpu_mp_add(uint, uint, uint); 13666458Sdfr 13769003Smarkm/* 13869003Smarkm * Return contents of in-cpu fast counter as a sort of "bogo-time" 13969003Smarkm * for non-critical timing. 14069003Smarkm */ 14169003Smarkmstatic __inline u_int64_t 14269003Smarkmget_cyclecount(void) 14369003Smarkm{ 14469003Smarkm return (ia64_get_itc()); 14569003Smarkm} 14669003Smarkm 14766458Sdfr#endif /* _KERNEL */ 14866458Sdfr 14966458Sdfr#endif /* _MACHINE_CPU_H_ */ 150