cpu.h revision 96442
166458Sdfr/* $FreeBSD: head/sys/ia64/include/cpu.h 96442 2002-05-12 05:54:21Z 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/* 5066458Sdfr * Exported definitions unique to Alpha cpu support. 5166458Sdfr */ 5266458Sdfr 5366458Sdfr#include <machine/frame.h> 5466458Sdfr 5583366Sjulian#define cpu_getstack(td) ((td)->td_frame->tf_r[FRAME_SP]) 5669379Smarcel 5766458Sdfr/* 5866458Sdfr * Arguments to hardclock and gatherstats encapsulate the previous 5966458Sdfr * machine state in an opaque clockframe. One the Alpha, we use 6066458Sdfr * what we push on an interrupt (a trapframe). 6166458Sdfr */ 6266458Sdfrstruct clockframe { 6366458Sdfr struct trapframe cf_tf; 6466458Sdfr}; 6572892Sjhb#define TRAPF_USERMODE(framep) \ 6672892Sjhb (((framep)->tf_cr_ipsr & IA64_PSR_CPL) == IA64_PSR_CPL_USER) 6772892Sjhb#define TRAPF_PC(framep) ((framep)->tf_cr_iip) 6872892Sjhb 6972892Sjhb#define CLKF_USERMODE(framep) TRAPF_USERMODE(&(framep)->cf_tf) 7072988Sjhb#define CLKF_PC(framep) TRAPF_PC(&(framep)->cf_tf) 7166458Sdfr 7266458Sdfr/* 7366458Sdfr * CTL_MACHDEP definitions. 7466458Sdfr */ 7566458Sdfr#define CPU_CONSDEV 1 /* dev_t: console terminal device */ 7666458Sdfr#define CPU_ROOT_DEVICE 2 /* string: root device name */ 7766458Sdfr#define CPU_UNALIGNED_PRINT 3 /* int: print unaligned accesses */ 7866458Sdfr#define CPU_UNALIGNED_FIX 4 /* int: fix unaligned accesses */ 7966458Sdfr#define CPU_UNALIGNED_SIGBUS 5 /* int: SIGBUS unaligned accesses */ 8066458Sdfr#define CPU_BOOTED_KERNEL 6 /* string: booted kernel name */ 8166458Sdfr#define CPU_ADJKERNTZ 7 /* int: timezone offset (seconds) */ 8266458Sdfr#define CPU_DISRTCSET 8 /* int: disable resettodr() call */ 8366458Sdfr#define CPU_WALLCLOCK 9 /* int: indicates wall CMOS clock */ 8466458Sdfr#define CPU_MAXID 9 /* 9 valid machdep IDs */ 8566458Sdfr 8666458Sdfr#define CTL_MACHDEP_NAMES { \ 8766458Sdfr { 0, 0 }, \ 8866458Sdfr { "console_device", CTLTYPE_STRUCT }, \ 8966458Sdfr { "root_device", CTLTYPE_STRING }, \ 9066458Sdfr { "unaligned_print", CTLTYPE_INT }, \ 9166458Sdfr { "unaligned_fix", CTLTYPE_INT }, \ 9266458Sdfr { "unaligned_sigbus", CTLTYPE_INT }, \ 9366458Sdfr { "booted_kernel", CTLTYPE_STRING }, \ 9466458Sdfr { "adjkerntz", CTLTYPE_INT }, \ 9566458Sdfr { "disable_rtc_set", CTLTYPE_INT }, \ 9666458Sdfr { "wall_cmos_clock", CTLTYPE_INT }, \ 9766458Sdfr} 9866458Sdfr 9966458Sdfr#ifdef _KERNEL 10066458Sdfr 10166458Sdfrstruct pcb; 10283366Sjulianstruct thread; 10366458Sdfrstruct reg; 10466458Sdfrstruct rpb; 10566458Sdfrstruct trapframe; 10666458Sdfr 10766458Sdfrextern struct rpb *hwrpb; 10866458Sdfrextern volatile int mc_expected, mc_received; 10966458Sdfr 11092843Salfredint badaddr (void *, size_t); 11192843Salfredint badaddr_read(void *, size_t, void *); 11292843Salfredu_int64_t console_restart(u_int64_t, u_int64_t, u_int64_t); 11392843Salfredvoid do_sir(void); 11492843Salfredvoid dumpconf(void); 11592843Salfredvoid exception_restore(void); /* MAGIC */ 11692843Salfredvoid frametoreg(struct trapframe *, struct reg *); 11792843Salfredlong fswintrberr(void); /* MAGIC */ 11892843Salfredint ia64_pa_access(u_long); 11992843Salfredvoid ia64_init(u_int64_t, u_int64_t); 12092843Salfredvoid ia64_fpstate_check(struct thread *p); 12192843Salfredvoid ia64_fpstate_save(struct thread *p, int write); 12292843Salfredvoid ia64_fpstate_drop(struct thread *p); 12392843Salfredvoid ia64_fpstate_switch(struct thread *p); 12492843Salfredvoid init_prom_interface(struct rpb*); 12592843Salfredvoid interrupt(u_int64_t, struct trapframe *); 12666458Sdfrvoid machine_check 12792843Salfred (unsigned long, struct trapframe *, unsigned long, unsigned long); 12892843Salfredu_int64_t hwrpb_checksum(void); 12992843Salfredvoid hwrpb_restart_setup(void); 13092843Salfredvoid regdump(struct trapframe *); 13192843Salfredvoid regtoframe(struct reg *, struct trapframe *); 13292843Salfredint savectx(struct pcb *); 13392843Salfredvoid restorectx(struct pcb *); 13492843Salfredvoid set_iointr(void (*)(void *, unsigned long)); 13592843Salfredvoid fork_trampoline(void); /* MAGIC */ 13692843Salfredvoid syscall(int, u_int64_t *, struct trapframe *); 13792843Salfredvoid trap(int vector, int imm, struct trapframe *framep); 13892675Spetervoid ia64_probe_sapics(void); 13996442Smarcelint ia64_count_cpus(void); 14092675Spetervoid map_pal_code(void); 14192675Spetervoid cpu_mp_add(uint, uint, uint); 14266458Sdfr 14369003Smarkm/* 14469003Smarkm * Return contents of in-cpu fast counter as a sort of "bogo-time" 14569003Smarkm * for non-critical timing. 14669003Smarkm */ 14769003Smarkmstatic __inline u_int64_t 14869003Smarkmget_cyclecount(void) 14969003Smarkm{ 15069003Smarkm return (ia64_get_itc()); 15169003Smarkm} 15269003Smarkm 15366458Sdfr#endif /* _KERNEL */ 15466458Sdfr 15566458Sdfr#endif /* _MACHINE_CPU_H_ */ 156