cpu.h revision 1.53.2.4
1 1.53.2.4 nathanw /* $NetBSD: cpu.h,v 1.53.2.4 2002/01/08 00:22:58 nathanw Exp $ */ 2 1.53.2.2 scw 3 1.53.2.2 scw /* 4 1.53.2.2 scw * Copyright (c) 1988 University of Utah. 5 1.53.2.2 scw * Copyright (c) 1982, 1990 The Regents of the University of California. 6 1.53.2.2 scw * All rights reserved. 7 1.53.2.2 scw * 8 1.53.2.2 scw * This code is derived from software contributed to Berkeley by 9 1.53.2.2 scw * the Systems Programming Group of the University of Utah Computer 10 1.53.2.2 scw * Science Department. 11 1.53.2.2 scw * 12 1.53.2.2 scw * Redistribution and use in source and binary forms, with or without 13 1.53.2.2 scw * modification, are permitted provided that the following conditions 14 1.53.2.2 scw * are met: 15 1.53.2.2 scw * 1. Redistributions of source code must retain the above copyright 16 1.53.2.2 scw * notice, this list of conditions and the following disclaimer. 17 1.53.2.2 scw * 2. Redistributions in binary form must reproduce the above copyright 18 1.53.2.2 scw * notice, this list of conditions and the following disclaimer in the 19 1.53.2.2 scw * documentation and/or other materials provided with the distribution. 20 1.53.2.2 scw * 3. All advertising materials mentioning features or use of this software 21 1.53.2.2 scw * must display the following acknowledgement: 22 1.53.2.2 scw * This product includes software developed by the University of 23 1.53.2.2 scw * California, Berkeley and its contributors. 24 1.53.2.2 scw * 4. Neither the name of the University nor the names of its contributors 25 1.53.2.2 scw * may be used to endorse or promote products derived from this software 26 1.53.2.2 scw * without specific prior written permission. 27 1.53.2.2 scw * 28 1.53.2.2 scw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.53.2.2 scw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.53.2.2 scw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.53.2.2 scw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.53.2.2 scw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.53.2.2 scw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.53.2.2 scw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.53.2.2 scw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.53.2.2 scw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.53.2.2 scw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.53.2.2 scw * SUCH DAMAGE. 39 1.53.2.2 scw * 40 1.53.2.2 scw * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 41 1.53.2.2 scw * 42 1.53.2.2 scw * @(#)cpu.h 7.7 (Berkeley) 6/27/91 43 1.53.2.2 scw */ 44 1.53.2.2 scw #ifndef _MACHINE_CPU_H_ 45 1.53.2.2 scw #define _MACHINE_CPU_H_ 46 1.53.2.2 scw 47 1.53.2.2 scw /* 48 1.53.2.2 scw * Exported definitions unique to amiga/68k cpu support. 49 1.53.2.2 scw */ 50 1.53.2.2 scw 51 1.53.2.2 scw #if defined(_KERNEL_OPT) 52 1.53.2.2 scw #include "opt_lockdebug.h" 53 1.53.2.2 scw #endif 54 1.53.2.2 scw 55 1.53.2.2 scw /* 56 1.53.2.2 scw * Get common m68k CPU definitions. 57 1.53.2.2 scw */ 58 1.53.2.2 scw #include <m68k/cpu.h> 59 1.53.2.2 scw #define M68K_MMU_MOTOROLA 60 1.53.2.2 scw 61 1.53.2.2 scw #include <sys/sched.h> 62 1.53.2.2 scw struct cpu_info { 63 1.53.2.2 scw struct schedstate_percpu ci_schedstate; /* scheduler state */ 64 1.53.2.2 scw #if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 65 1.53.2.2 scw u_long ci_spin_locks; /* # of spin locks held */ 66 1.53.2.2 scw u_long ci_simple_locks; /* # of simple locks held */ 67 1.53.2.2 scw #endif 68 1.53.2.2 scw }; 69 1.53.2.2 scw 70 1.53.2.2 scw #ifdef _KERNEL 71 1.53.2.2 scw extern struct cpu_info cpu_info_store; 72 1.53.2.2 scw 73 1.53.2.2 scw #define curcpu() (&cpu_info_store) 74 1.53.2.2 scw 75 1.53.2.2 scw /* 76 1.53.2.2 scw * definitions of cpu-dependent requirements 77 1.53.2.2 scw * referenced in generic code 78 1.53.2.2 scw */ 79 1.53.2.2 scw #define cpu_swapin(p) /* nothing */ 80 1.53.2.2 scw #define cpu_wait(p) /* nothing */ 81 1.53.2.2 scw #define cpu_swapout(p) /* nothing */ 82 1.53.2.2 scw #define cpu_number() 0 83 1.53.2.3 thorpej #define cpu_proc_fork(p1, p2) /* nothing */ 84 1.53.2.2 scw 85 1.53.2.2 scw extern volatile unsigned int interrupt_depth; 86 1.53.2.2 scw /* 87 1.53.2.2 scw * Arguments to hardclock and gatherstats encapsulate the previous 88 1.53.2.2 scw * machine state in an opaque clockframe. One the hp300, we use 89 1.53.2.2 scw * what the hardware pushes on an interrupt (frame format 0). 90 1.53.2.2 scw */ 91 1.53.2.2 scw struct clockframe { 92 1.53.2.2 scw u_short sr; /* sr at time of interrupt */ 93 1.53.2.2 scw u_long pc; /* pc at time of interrupt */ 94 1.53.2.2 scw u_short vo; /* vector offset (4-word frame) */ 95 1.53.2.2 scw }; 96 1.53.2.2 scw 97 1.53.2.2 scw #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 98 1.53.2.2 scw /*#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)*/ 99 1.53.2.2 scw #define CLKF_BASEPRI(framep) (0) 100 1.53.2.2 scw #define CLKF_PC(framep) ((framep)->pc) 101 1.53.2.2 scw #define CLKF_INTR(framep) (interrupt_depth > 1) 102 1.53.2.2 scw 103 1.53.2.2 scw 104 1.53.2.2 scw /* 105 1.53.2.2 scw * Preempt the current process if in interrupt from user mode, 106 1.53.2.2 scw * or after the current trap/syscall if in system mode. 107 1.53.2.2 scw */ 108 1.53.2.2 scw extern int want_resched; /* resched() was called */ 109 1.53.2.2 scw #define need_resched(ci) {want_resched = 1; setsoftast();} 110 1.53.2.2 scw 111 1.53.2.2 scw /* 112 1.53.2.2 scw * Give a profiling tick to the current process from the softclock 113 1.53.2.2 scw * interrupt. On hp300, request an ast to send us through trap(), 114 1.53.2.2 scw * marking the proc as needing a profiling tick. 115 1.53.2.2 scw */ 116 1.53.2.2 scw #define profile_tick(p, framep) ((p)->p_flag |= P_OWEUPC, setsoftast()) 117 1.53.2.2 scw #define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast()) 118 1.53.2.2 scw 119 1.53.2.2 scw /* 120 1.53.2.2 scw * Notify the current process (p) that it has a signal pending, 121 1.53.2.2 scw * process as soon as possible. 122 1.53.2.2 scw */ 123 1.53.2.2 scw #define signotify(p) setsoftast() 124 1.53.2.2 scw 125 1.53.2.2 scw extern int astpending; /* need trap before returning to user mode */ 126 1.53.2.2 scw #define setsoftast() (astpending = 1) 127 1.53.2.2 scw 128 1.53.2.2 scw #endif /* _KERNEL */ 129 1.53.2.2 scw 130 1.53.2.2 scw /* include support for software interrupts */ 131 1.53.2.2 scw #include <machine/mtpr.h> 132 1.53.2.2 scw 133 1.53.2.2 scw /* 134 1.53.2.2 scw * The rest of this should probably be moved to ../amiga/amigacpu.h, 135 1.53.2.2 scw * although some of it could probably be put into generic 68k headers. 136 1.53.2.2 scw */ 137 1.53.2.2 scw 138 1.53.2.2 scw /* values for machineid (happen to be AFF_* settings of AttnFlags) */ 139 1.53.2.2 scw #define AMIGA_68020 (1L<<1) 140 1.53.2.2 scw #define AMIGA_68030 (1L<<2) 141 1.53.2.2 scw #define AMIGA_68040 (1L<<3) 142 1.53.2.2 scw #define AMIGA_68881 (1L<<4) 143 1.53.2.2 scw #define AMIGA_68882 (1L<<5) 144 1.53.2.2 scw #define AMIGA_FPU40 (1L<<6) 145 1.53.2.2 scw #define AMIGA_68060 (1L<<7) 146 1.53.2.2 scw 147 1.53.2.2 scw #ifdef _KERNEL 148 1.53.2.2 scw int machineid; 149 1.53.2.2 scw #endif 150 1.53.2.2 scw 151 1.53.2.2 scw /* 152 1.53.2.2 scw * CTL_MACHDEP definitions. 153 1.53.2.2 scw */ 154 1.53.2.2 scw #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 155 1.53.2.2 scw #define CPU_MAXID 2 /* number of valid machdep ids */ 156 1.53.2.2 scw 157 1.53.2.2 scw #define CTL_MACHDEP_NAMES { \ 158 1.53.2.2 scw { 0, 0 }, \ 159 1.53.2.2 scw { "console_device", CTLTYPE_STRUCT }, \ 160 1.53.2.2 scw } 161 1.53.2.2 scw 162 1.53.2.2 scw #ifdef _KERNEL 163 1.53.2.2 scw /* 164 1.53.2.2 scw * Prototypes from amiga_init.c 165 1.53.2.2 scw */ 166 1.53.2.2 scw void *alloc_z2mem __P((long)); 167 1.53.2.2 scw 168 1.53.2.2 scw /* 169 1.53.2.2 scw * Prototypes from autoconf.c 170 1.53.2.2 scw */ 171 1.53.2.2 scw int is_a1200 __P((void)); 172 1.53.2.2 scw int is_a3000 __P((void)); 173 1.53.2.2 scw int is_a4000 __P((void)); 174 1.53.2.2 scw #ifdef DRACO 175 1.53.2.2 scw #define is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0) 176 1.53.2.2 scw #endif 177 1.53.2.2 scw 178 1.53.2.2 scw /* 179 1.53.2.2 scw * Prototypes from clock.c 180 1.53.2.2 scw */ 181 1.53.2.2 scw u_long clkread __P((void)); 182 1.53.2.2 scw 183 1.53.2.2 scw #ifdef DRACO 184 1.53.2.2 scw /* 185 1.53.2.2 scw * Prototypes from kbd.c 186 1.53.2.2 scw */ 187 1.53.2.2 scw void drkbdintr __P((void)); 188 1.53.2.2 scw 189 1.53.2.2 scw /* 190 1.53.2.2 scw * Prototypes from drsc.c 191 1.53.2.2 scw */ 192 1.53.2.2 scw void drsc_handler __P((void)); 193 1.53.2.2 scw #endif 194 1.53.2.2 scw 195 1.53.2.2 scw /* 196 1.53.2.2 scw * Prototypes from locore.s 197 1.53.2.2 scw */ 198 1.53.2.2 scw struct fpframe; 199 1.53.2.2 scw struct user; 200 1.53.2.2 scw struct pcb; 201 1.53.2.2 scw 202 1.53.2.2 scw void clearseg __P((vm_offset_t)); 203 1.53.2.2 scw void doboot __P((void)) __attribute__((__noreturn__)); 204 1.53.2.2 scw void loadustp __P((int)); 205 1.53.2.2 scw #ifdef FPCOPROC 206 1.53.2.2 scw void m68881_save __P((struct fpframe *)); 207 1.53.2.2 scw void m68881_restore __P((struct fpframe *)); 208 1.53.2.2 scw #endif 209 1.53.2.2 scw void physcopyseg __P((vm_offset_t, vm_offset_t)); 210 1.53.2.2 scw u_int probeva __P((u_int, u_int)); 211 1.53.2.2 scw void proc_trampoline __P((void)); 212 1.53.2.2 scw void savectx __P((struct pcb *)); 213 1.53.2.2 scw void switch_exit __P((struct lwp *)); 214 1.53.2.2 scw void switch_lwp_exit __P((struct lwp *)); 215 1.53.2.2 scw 216 1.53.2.2 scw /* 217 1.53.2.2 scw * Prototypes from machdep.c 218 1.53.2.2 scw */ 219 1.53.2.2 scw int badaddr __P((caddr_t)); 220 1.53.2.2 scw int badbaddr __P((caddr_t)); 221 1.53.2.2 scw void bootsync __P((void)); 222 1.53.2.2 scw void dumpconf __P((void)); 223 1.53.2.2 scw 224 1.53.2.2 scw /* 225 1.53.2.2 scw * Prototypes from sys_machdep.c: 226 1.53.2.2 scw */ 227 1.53.2.2 scw int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 228 1.53.2.2 scw int dma_cachectl __P((caddr_t, int)); 229 1.53.2.2 scw 230 1.53.2.2 scw /* 231 1.53.2.2 scw * Prototypes from vm_machdep.c 232 1.53.2.2 scw */ 233 1.53.2.2 scw int kvtop __P((caddr_t)); 234 1.53.2.2 scw void physaccess __P((caddr_t, caddr_t, int, int)); 235 1.53.2.2 scw void physunaccess __P((caddr_t, int)); 236 1.53.2.2 scw void setredzone __P((u_int *, caddr_t)); 237 1.53.2.2 scw 238 1.53.2.2 scw /* 239 1.53.2.2 scw * Prototypes from pmap.c: 240 1.53.2.2 scw */ 241 1.53.2.2 scw void pmap_bootstrap __P((vm_offset_t, vm_offset_t)); 242 1.53.2.2 scw 243 1.53.2.2 scw #endif /* _KERNEL */ 244 1.53.2.2 scw 245 1.53.2.2 scw #endif /* !_MACHINE_CPU_H_ */ 246
Indexes created Wed Sep 24 15:09:51 GMT 2025