cpu.h revision 1.58
1 /* $NetBSD: cpu.h,v 1.58 2004/09/22 11:32:02 yamt Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 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. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 36 * 37 * @(#)cpu.h 7.7 (Berkeley) 6/27/91 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 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 7.7 (Berkeley) 6/27/91 77 */ 78 #ifndef _MACHINE_CPU_H_ 79 #define _MACHINE_CPU_H_ 80 81 /* 82 * Exported definitions unique to amiga/68k cpu support. 83 */ 84 85 #if defined(_KERNEL_OPT) 86 #include "opt_lockdebug.h" 87 #endif 88 89 /* 90 * Get common m68k CPU definitions. 91 */ 92 #include <m68k/cpu.h> 93 #define M68K_MMU_MOTOROLA 94 95 #include <sys/cpu_data.h> 96 struct cpu_info { 97 struct cpu_data ci_data; /* MI per-cpu data */ 98 }; 99 100 #ifdef _KERNEL 101 extern struct cpu_info cpu_info_store; 102 103 #define curcpu() (&cpu_info_store) 104 105 /* 106 * definitions of cpu-dependent requirements 107 * referenced in generic code 108 */ 109 #define cpu_swapin(p) /* nothing */ 110 #define cpu_swapout(p) /* nothing */ 111 #define cpu_number() 0 112 113 void cpu_proc_fork(struct proc *, struct proc *); 114 115 116 extern volatile unsigned int interrupt_depth; 117 /* 118 * Arguments to hardclock and gatherstats encapsulate the previous 119 * machine state in an opaque clockframe. One the hp300, we use 120 * what the hardware pushes on an interrupt (frame format 0). 121 */ 122 struct clockframe { 123 u_short sr; /* sr at time of interrupt */ 124 u_long pc; /* pc at time of interrupt */ 125 u_short vo; /* vector offset (4-word frame) */ 126 }; 127 128 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 129 /*#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)*/ 130 #define CLKF_BASEPRI(framep) (0) 131 #define CLKF_PC(framep) ((framep)->pc) 132 #define CLKF_INTR(framep) (interrupt_depth > 1) 133 134 135 /* 136 * Preempt the current process if in interrupt from user mode, 137 * or after the current trap/syscall if in system mode. 138 */ 139 extern int want_resched; /* resched() was called */ 140 #define need_resched(ci) {want_resched = 1; setsoftast();} 141 142 /* 143 * Give a profiling tick to the current process from the softclock 144 * interrupt. On hp300, request an ast to send us through trap(), 145 * marking the proc as needing a profiling tick. 146 */ 147 #define profile_tick(p, framep) ((p)->p_flag |= P_OWEUPC, setsoftast()) 148 #define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast()) 149 150 /* 151 * Notify the current process (p) that it has a signal pending, 152 * process as soon as possible. 153 */ 154 #define signotify(p) setsoftast() 155 156 extern int astpending; /* need trap before returning to user mode */ 157 #define setsoftast() (astpending = 1) 158 159 #endif /* _KERNEL */ 160 161 /* include support for software interrupts */ 162 #include <machine/mtpr.h> 163 164 /* 165 * The rest of this should probably be moved to ../amiga/amigacpu.h, 166 * although some of it could probably be put into generic 68k headers. 167 */ 168 169 /* values for machineid (happen to be AFF_* settings of AttnFlags) */ 170 #define AMIGA_68020 (1L<<1) 171 #define AMIGA_68030 (1L<<2) 172 #define AMIGA_68040 (1L<<3) 173 #define AMIGA_68881 (1L<<4) 174 #define AMIGA_68882 (1L<<5) 175 #define AMIGA_FPU40 (1L<<6) 176 #define AMIGA_68060 (1L<<7) 177 178 #ifdef _KERNEL 179 extern int machineid; 180 #endif 181 182 /* 183 * CTL_MACHDEP definitions. 184 */ 185 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 186 #define CPU_MAXID 2 /* number of valid machdep ids */ 187 188 #define CTL_MACHDEP_NAMES { \ 189 { 0, 0 }, \ 190 { "console_device", CTLTYPE_STRUCT }, \ 191 } 192 193 #ifdef _KERNEL 194 /* 195 * Prototypes from amiga_init.c 196 */ 197 void *alloc_z2mem __P((long)); 198 199 /* 200 * Prototypes from autoconf.c 201 */ 202 int is_a1200 __P((void)); 203 int is_a3000 __P((void)); 204 int is_a4000 __P((void)); 205 #ifdef DRACO 206 #define is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0) 207 #endif 208 209 /* 210 * Prototypes from clock.c 211 */ 212 u_long clkread __P((void)); 213 214 #ifdef DRACO 215 /* 216 * Prototypes from kbd.c 217 */ 218 void drkbdintr __P((void)); 219 220 /* 221 * Prototypes from drsc.c 222 */ 223 void drsc_handler __P((void)); 224 #endif 225 226 /* 227 * Prototypes from locore.s 228 */ 229 struct fpframe; 230 struct user; 231 struct pcb; 232 233 void clearseg __P((vm_offset_t)); 234 void doboot __P((void)) __attribute__((__noreturn__)); 235 void loadustp __P((int)); 236 #ifdef FPCOPROC 237 void m68881_save __P((struct fpframe *)); 238 void m68881_restore __P((struct fpframe *)); 239 #endif 240 void physcopyseg __P((vm_offset_t, vm_offset_t)); 241 u_int probeva __P((u_int, u_int)); 242 void proc_trampoline __P((void)); 243 void savectx __P((struct pcb *)); 244 void switch_exit __P((struct lwp *)); 245 void switch_lwp_exit __P((struct lwp *)); 246 247 /* 248 * Prototypes from machdep.c 249 */ 250 int badaddr __P((caddr_t)); 251 int badbaddr __P((caddr_t)); 252 void bootsync __P((void)); 253 void dumpconf __P((void)); 254 255 /* 256 * Prototypes from sys_machdep.c: 257 */ 258 int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 259 int dma_cachectl __P((caddr_t, int)); 260 261 /* 262 * Prototypes from vm_machdep.c 263 */ 264 int kvtop __P((caddr_t)); 265 void physaccess __P((caddr_t, caddr_t, int, int)); 266 void physunaccess __P((caddr_t, int)); 267 void setredzone __P((u_int *, caddr_t)); 268 269 /* 270 * Prototypes from pmap.c: 271 */ 272 void pmap_bootstrap __P((vm_offset_t, vm_offset_t)); 273 274 #endif /* _KERNEL */ 275 276 #endif /* !_MACHINE_CPU_H_ */ 277
Indexes created Sat Sep 20 22:09:52 GMT 2025