cpu.h revision 1.74
1 /* $NetBSD: cpu.h,v 1.74 2004/01/04 11:33:30 jdolecek 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 /* 36 * Copyright (c) 1988 University of Utah. 37 * 38 * This code is derived from software contributed to Berkeley by 39 * the Systems Programming Group of the University of Utah Computer 40 * Science Department. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by the University of 53 * California, Berkeley and its contributors. 54 * 4. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 */ 70 71 /* 72 * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved. 73 * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot 74 75 * Redistribution of this source code or any part thereof is permitted, 76 * provided that the following conditions are met: 77 * 1) Utilized source contains the copyright message above, this list 78 * of conditions, and the following disclaimer. 79 * 2) Binary objects containing compiled source reproduce the 80 * copyright notice above on startup. 81 * 82 * CAVEAT: This source code is provided "as-is" by BCDL Labs, and any 83 * warranties of ANY kind are disclaimed. We don't even claim that it 84 * won't crash your hard disk. Basically, we want a little credit if 85 * it works, but we don't want to get mail-bombed if it doesn't. 86 */ 87 88 /* 89 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 90 * 91 * @(#)cpu.h 7.7 (Berkeley) 6/27/91 92 */ 93 94 #ifndef _CPU_MACHINE_ 95 #define _CPU_MACHINE_ 96 97 /* 98 * Exported definitions unique to mac68k/68k cpu support. 99 */ 100 101 #if defined(_KERNEL_OPT) 102 #include "opt_lockdebug.h" 103 #endif 104 105 /* 106 * Get common m68k definitions. 107 */ 108 #include <m68k/cpu.h> 109 #define M68K_MMU_MOTOROLA 110 111 /* 112 * Get interrupt glue. 113 */ 114 #include <machine/intr.h> 115 116 #include <sys/sched.h> 117 struct cpu_info { 118 struct schedstate_percpu ci_schedstate; /* scheduler state */ 119 #if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 120 u_long ci_spin_locks; /* # of spin locks held */ 121 u_long ci_simple_locks; /* # of simple locks held */ 122 #endif 123 }; 124 125 #ifdef _KERNEL 126 extern struct cpu_info cpu_info_store; 127 128 #define curcpu() (&cpu_info_store) 129 130 /* 131 * definitions of cpu-dependent requirements 132 * referenced in generic code 133 */ 134 #define cpu_swapin(p) /* nothing */ 135 #define cpu_swapout(p) /* nothing */ 136 #define cpu_number() 0 137 138 void cpu_proc_fork(struct proc *, struct proc *); 139 140 141 /* 142 * Arguments to hardclock and gatherstats encapsulate the previous 143 * machine state in an opaque clockframe. One the hp300, we use 144 * what the hardware pushes on an interrupt (frame format 0). 145 */ 146 struct clockframe { 147 u_short sr; /* sr at time of interrupt */ 148 u_long pc; /* pc at time of interrupt */ 149 u_short vo; /* vector offset (4-word frame) */ 150 } __attribute__((packed)); 151 152 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 153 #define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0) 154 #define CLKF_PC(framep) ((framep)->pc) 155 #define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */ 156 157 /* 158 * Preempt the current process if in interrupt from user mode, 159 * or after the current trap/syscall if in system mode. 160 */ 161 extern int want_resched; /* resched() was called */ 162 #define need_resched(ci) { want_resched++; aston(); } 163 164 /* 165 * Give a profiling tick to the current process from the softclock 166 * interrupt. Request an ast to send us through trap(), 167 * marking the proc as needing a profiling tick. 168 */ 169 #define need_proftick(p) ( (p)->p_flag |= P_OWEUPC, aston() ) 170 171 /* 172 * Notify the current process (p) that it has a signal pending, 173 * process as soon as possible. 174 */ 175 #define signotify(p) aston() 176 177 extern int astpending; /* need to trap before returning to user mode */ 178 #define aston() (astpending++) 179 180 #endif /* _KERNEL */ 181 182 #define CPU_CONSDEV 1 183 #define CPU_MAXID 2 184 185 #define CTL_MACHDEP_NAMES { \ 186 { 0, 0 }, \ 187 { "console_device", CTLTYPE_STRUCT }, \ 188 } 189 190 /* values for machineid -- 191 * These are equivalent to the MacOS Gestalt values. */ 192 #define MACH_MACII 6 193 #define MACH_MACIIX 7 194 #define MACH_MACIICX 8 195 #define MACH_MACSE30 9 196 #define MACH_MACIICI 11 197 #define MACH_MACIIFX 13 198 #define MACH_MACIISI 18 199 #define MACH_MACQ900 20 200 #define MACH_MACPB170 21 201 #define MACH_MACQ700 22 202 #define MACH_MACCLASSICII 23 203 #define MACH_MACPB100 24 204 #define MACH_MACPB140 25 205 #define MACH_MACQ950 26 206 #define MACH_MACLCIII 27 207 #define MACH_MACPB210 29 208 #define MACH_MACC650 30 209 #define MACH_MACPB230 32 210 #define MACH_MACPB180 33 211 #define MACH_MACPB160 34 212 #define MACH_MACQ800 35 213 #define MACH_MACQ650 36 214 #define MACH_MACLCII 37 215 #define MACH_MACPB250 38 216 #define MACH_MACIIVI 44 217 #define MACH_MACP600 45 218 #define MACH_MACIIVX 48 219 #define MACH_MACCCLASSIC 49 220 #define MACH_MACPB165C 50 221 #define MACH_MACC610 52 222 #define MACH_MACQ610 53 223 #define MACH_MACPB145 54 224 #define MACH_MACLC520 56 225 #define MACH_MACC660AV 60 226 #define MACH_MACP460 62 227 #define MACH_MACPB180C 71 228 #define MACH_MACPB500 72 229 #define MACH_MACPB270 77 230 #define MACH_MACQ840AV 78 231 #define MACH_MACP550 80 232 #define MACH_MACCCLASSICII 83 233 #define MACH_MACPB165 84 234 #define MACH_MACPB190CS 85 235 #define MACH_MACTV 88 236 #define MACH_MACLC475 89 237 #define MACH_MACLC475_33 90 238 #define MACH_MACLC575 92 239 #define MACH_MACQ605 94 240 #define MACH_MACQ605_33 95 241 #define MACH_MACQ630 98 242 #define MACH_MACP580 99 243 #define MACH_MACPB280 102 244 #define MACH_MACPB280C 103 245 #define MACH_MACPB150 115 246 #define MACH_MACPB190 122 247 248 /* 249 * Machine classes. These define subsets of the above machines. 250 */ 251 #define MACH_CLASSH 0x0000 /* Hopeless cases... */ 252 #define MACH_CLASSII 0x0001 /* MacII class */ 253 #define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */ 254 #define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */ 255 #define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */ 256 #define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */ 257 #define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */ 258 #define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */ 259 #define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */ 260 #define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */ 261 #define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */ 262 #define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */ 263 #define MACH_CLASSP580 0x0103 /* Similar to Quadras, but not quite.. */ 264 265 #define MACH_68020 0 266 #define MACH_68030 1 267 #define MACH_68040 2 268 #define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */ 269 270 #ifdef _KERNEL 271 struct mac68k_machine_S { 272 int cpu_model_index; 273 /* 274 * Misc. info from booter. 275 */ 276 int machineid; 277 int mach_processor; 278 int mach_memsize; 279 int booter_version; 280 /* 281 * Debugging flags. 282 */ 283 int do_graybars; 284 int serial_boot_echo; 285 int serial_console; 286 287 int zs_chip; /* what type of chip we've got */ 288 int modem_flags; 289 int modem_cts_clk; 290 int modem_dcd_clk; 291 int modem_d_speed; 292 int print_flags; 293 int print_cts_clk; 294 int print_dcd_clk; 295 int print_d_speed; 296 /* 297 * Misc. hardware info. 298 */ 299 int scsi80; /* Has NCR 5380 */ 300 int scsi96; /* Has NCR 53C96 */ 301 int scsi96_2; /* Has 2nd 53C96 */ 302 int sonic; /* Has SONIC e-net */ 303 304 int via1_ipl; 305 int via2_ipl; 306 int aux_interrupts; 307 }; 308 309 /* What kind of model is this */ 310 struct cpu_model_info { 311 int machineid; /* MacOS Gestalt value. */ 312 char *model_major; /* Make this distinction to save a few */ 313 char *model_minor; /* bytes--might be useful, too. */ 314 int class; /* Rough class of machine. */ 315 /* forwarded romvec_s is defined in mac68k/macrom.h */ 316 struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */ 317 }; 318 extern struct cpu_model_info *current_mac_model; 319 320 extern unsigned long IOBase; /* Base address of I/O */ 321 extern unsigned long NuBusBase; /* Base address of NuBus */ 322 323 extern struct mac68k_machine_S mac68k_machine; 324 extern unsigned long load_addr; 325 #endif /* _KERNEL */ 326 327 /* physical memory sections */ 328 #define ROMBASE (0x40800000) 329 #define ROMLEN (0x00200000) /* 2MB will work for all 68k */ 330 #define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */ 331 332 #define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */ 333 334 /* XXX -- Need to do something about superspace. 335 * Technically, NuBus superspace starts at 0x60000000, but no 336 * known Macintosh has used any slot lower numbered than 9, and 337 * the super space is defined as 0xS000 0000 through 0xSFFF FFFF 338 * where S is the slot number--ranging from 0x9 - 0xE. 339 */ 340 #define NBSBASE 0x90000000 341 #define NBSTOP 0xF0000000 342 #define NBBASE 0xF9000000 /* NUBUS space */ 343 #define NBTOP 0xFF000000 /* NUBUS space */ 344 #define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */ 345 #define NBMEMSIZE 0x01000000 /* 16 megs per card */ 346 #define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */ 347 348 #ifdef _KERNEL 349 350 struct frame; 351 struct fpframe; 352 struct pcb; 353 354 /* machdep.c */ 355 void mac68k_set_bell_callback __P((int (*)(void *, int, int, int), void *)); 356 int mac68k_ring_bell __P((int, int, int)); 357 u_int get_mapping __P((void)); 358 359 /* locore.s functions */ 360 void m68881_save __P((struct fpframe *)); 361 void m68881_restore __P((struct fpframe *)); 362 int suline __P((caddr_t, caddr_t)); 363 void savectx __P((struct pcb *)); 364 void switch_exit __P((struct lwp *)); 365 void switch_lwp_exit __P((struct lwp *)); 366 void proc_trampoline __P((void)); 367 void loadustp __P((int)); 368 369 /* sys_machdep.c */ 370 int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 371 372 /* vm_machdep.c */ 373 void physaccess __P((caddr_t, caddr_t, register int, register int)); 374 void physunaccess __P((caddr_t, register int)); 375 int kvtop __P((caddr_t)); 376 377 #endif 378 379 #endif /* _CPU_MACHINE_ */ 380
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