cpu.h revision 1.58
1 /* $NetBSD: cpu.h,v 1.58 2007/08/04 09:49:51 ad 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 79 #ifndef _MACHINE_CPU_H_ 80 #define _MACHINE_CPU_H_ 81 82 #if defined(_KERNEL) 83 84 /* 85 * Exported definitions unique to atari/68k cpu support. 86 */ 87 88 #if defined(_KERNEL_OPT) 89 #include "opt_lockdebug.h" 90 #endif 91 92 /* 93 * Get common m68k CPU definitions. 94 */ 95 #include <m68k/cpu.h> 96 #define M68K_MMU_MOTOROLA 97 98 #include <sys/cpu_data.h> 99 struct cpu_info { 100 struct cpu_data ci_data; /* MI per-cpu data */ 101 cpuid_t ci_cpuid; 102 int ci_want_resched; 103 int ci_mtx_count; 104 int ci_mtx_oldspl; 105 }; 106 107 extern struct cpu_info cpu_info_store; 108 109 #define curcpu() (&cpu_info_store) 110 111 /* 112 * definitions of cpu-dependent requirements 113 * referenced in generic code 114 */ 115 #define cpu_swapin(p) /* nothing */ 116 #define cpu_swapout(p) /* nothing */ 117 #define cpu_number() 0 118 119 void cpu_proc_fork(struct proc *, struct proc *); 120 121 /* 122 * Arguments to hardclock and gatherstats encapsulate the previous 123 * machine state in an opaque clockframe. On the hp300, we use 124 * what the hardware pushes on an interrupt (frame format 0). 125 */ 126 struct clockframe { 127 u_int cf_regs[4]; /* d0,d1,a0,a1 (see locore.s) */ 128 u_short cf_sr; /* sr at time of interrupt */ 129 u_long cf_pc; /* pc at time of interrupt */ 130 u_short cf_vo; /* vector offset (4-word frame) */ 131 } __attribute__((packed)); 132 133 #define CLKF_USERMODE(framep) (((framep)->cf_sr & PSL_S) == 0) 134 #define CLKF_PC(framep) ((framep)->cf_pc) 135 #if 0 136 /* We would like to do it this way... */ 137 #define CLKF_INTR(framep) (((framep)->cf_sr & PSL_M) == 0) 138 #else 139 /* but until we start using PSL_M, we have to do this instead */ 140 #define CLKF_INTR(framep) (0) /* XXX */ 141 #endif 142 143 144 /* 145 * Preempt the current process if in interrupt from user mode, 146 * or after the current trap/syscall if in system mode. 147 */ 148 #define cpu_need_resched(ci,flags) {ci->ci_want_resched = 1; setsoftast();} 149 150 /* 151 * Give a profiling tick to the current process from the softclock 152 * interrupt. On hp300, request an ast to send us through trap(), 153 * marking the proc as needing a profiling tick. 154 */ 155 #define profile_tick(l, framep) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 156 #define cpu_need_proftick(l) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 157 158 /* 159 * Notify the current process (p) that it has a signal pending, 160 * process as soon as possible. 161 */ 162 #define cpu_signotify(l) setsoftast() 163 164 #define setsoftast() (astpending = 1) 165 166 extern int astpending; /* need trap before returning to user mode */ 167 168 /* 169 * The rest of this should probably be moved to ../atari/ataricpu.h, 170 * although some of it could probably be put into generic 68k headers. 171 */ 172 #define BASEPRI(sr) ((sr & PSL_IPL) == 0) 173 #endif /* _KERNEL */ 174 175 /* 176 * Values for machineid. 177 */ 178 #define ATARI_68000 1 /* 68000 CPU */ 179 #define ATARI_68010 (1<<1) /* 68010 CPU */ 180 #define ATARI_68020 (1L<<2) /* 68020 CPU */ 181 #define ATARI_68030 (1L<<3) /* 68030 CPU */ 182 #define ATARI_68040 (1L<<4) /* 68040 CPU */ 183 #define ATARI_68060 (1L<<6) /* 68060 CPU */ 184 #define ATARI_TT (1L<<11) /* This is a TT030 */ 185 #define ATARI_FALCON (1L<<12) /* Falcon */ 186 #define ATARI_HADES (1L<<13) /* Hades */ 187 #define ATARI_MILAN (1L<<14) /* Milan */ 188 189 #define ATARI_CLKBROKEN (1L<<16) 190 191 #define ATARI_ANYCPU (ATARI_68000|ATARI_68010|ATARI_68020|ATARI_68030 \ 192 |ATARI_68040|ATARI_68060) 193 194 #define ATARI_ANYMACH (ATARI_TT|ATARI_FALCON|ATARI_HADES|ATARI_MILAN) 195 196 #if defined(_KERNEL) 197 extern int machineid; 198 #endif /* _KERNEL */ 199 200 /* 201 * CTL_MACHDEP definitions. 202 */ 203 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 204 #define CPU_MAXID 2 /* number of valid machdep ids */ 205 206 #define CTL_MACHDEP_NAMES { \ 207 { 0, 0 }, \ 208 { "console_device", CTLTYPE_STRUCT }, \ 209 } 210 211 #ifdef _KERNEL 212 /* 213 * Prototypes from atari_init.c 214 */ 215 int cpu_dump __P((int (*)(dev_t, daddr_t, void *, size_t), daddr_t *)); 216 int cpu_dumpsize __P((void)); 217 218 /* 219 * Prototypes from autoconf.c 220 */ 221 void config_console __P((void)); 222 223 /* 224 * Prototypes from clock.c 225 */ 226 long clkread __P((void)); 227 228 /* 229 * Prototypes from fpu.c 230 */ 231 const char *fpu_describe __P((int)); 232 int fpu_probe __P((void)); 233 234 /* 235 * Prototypes from locore.s 236 */ 237 struct fpframe; 238 struct user; 239 240 void clearseg __P((paddr_t)); 241 void doboot __P((void)); 242 void loadustp __P((int)); 243 void m68881_save __P((struct fpframe *)); 244 void m68881_restore __P((struct fpframe *)); 245 void physcopyseg __P((paddr_t, paddr_t)); 246 u_int probeva __P((u_int, u_int)); 247 int suline __P((void *, void *)); 248 249 /* 250 * Prototypes from machdep.c: 251 */ 252 int badbaddr __P((void *, int)); 253 void consinit __P((void)); 254 typedef void (*si_farg)(void *, void *); /* XXX */ 255 void init_sicallback __P((void)); /* XXX */ 256 void add_sicallback __P((si_farg, void *, void *)); 257 void rem_sicallback __P((si_farg)); 258 void dumpsys __P((void)); 259 vaddr_t reserve_dumppages __P((vaddr_t)); 260 261 262 /* 263 * Prototypes from nvram.c: 264 */ 265 struct uio; 266 int nvram_uio __P((struct uio *)); 267 268 /* 269 * Prototypes from pci_machdep.c 270 */ 271 void init_pci_bus __P((void)); 272 273 #endif /* _KERNEL */ 274 #endif /* !_MACHINE_CPU_H_ */ 275
Indexes created Fri Sep 26 08:10:20 GMT 2025