cpu.h revision 1.90
1 /* $NetBSD: cpu.h,v 1.90 2008/02/19 07:04:41 dogcow 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 #if defined(_KERNEL) 98 99 /* 100 * Exported definitions unique to mac68k/68k cpu support. 101 */ 102 103 #if defined(_KERNEL_OPT) 104 #include "opt_lockdebug.h" 105 #endif 106 107 /* 108 * Get common m68k definitions. 109 */ 110 #include <m68k/cpu.h> 111 #define M68K_MMU_MOTOROLA 112 113 /* 114 * Get interrupt glue. 115 */ 116 #include <machine/intr.h> 117 118 #include <sys/cpu_data.h> 119 struct cpu_info { 120 struct cpu_data ci_data; /* MI per-cpu data */ 121 cpuid_t ci_cpuid; 122 int ci_mtx_oldspl; 123 int ci_mtx_count; 124 int ci_want_resched; 125 }; 126 127 extern struct cpu_info cpu_info_store; 128 129 #define curcpu() (&cpu_info_store) 130 131 #define CPU_INFO_ITERATOR int 132 #define CPU_INFO_FOREACH(cii, ci) \ 133 cii = 0, ci = curcpu(); ci != NULL; ci = NULL 134 135 /* 136 * definitions of cpu-dependent requirements 137 * referenced in generic code 138 */ 139 #define cpu_swapin(p) /* nothing */ 140 #define cpu_swapout(p) /* nothing */ 141 #define cpu_number() 0 142 143 void cpu_proc_fork(struct proc *, struct proc *); 144 145 146 /* 147 * Arguments to hardclock and gatherstats encapsulate the previous 148 * machine state in an opaque clockframe. One the hp300, we use 149 * what the hardware pushes on an interrupt (frame format 0). 150 */ 151 struct clockframe { 152 u_short sr; /* sr at time of interrupt */ 153 u_long pc; /* pc at time of interrupt */ 154 u_short vo; /* vector offset (4-word frame) */ 155 } __attribute__((packed)); 156 157 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 158 #define CLKF_PC(framep) ((framep)->pc) 159 #define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */ 160 161 /* 162 * Preempt the current process if in interrupt from user mode, 163 * or after the current trap/syscall if in system mode. 164 */ 165 #define cpu_need_resched(ci, v) { ci->ci_want_resched++; aston(); } 166 167 /* 168 * Give a profiling tick to the current process from the softclock 169 * interrupt. Request an ast to send us through trap(), 170 * marking the proc as needing a profiling tick. 171 */ 172 #define cpu_need_proftick(l) ( (l)->l_pflag |= LP_OWEUPC, aston() ) 173 174 /* 175 * Notify the current process (p) that it has a signal pending, 176 * process as soon as possible. 177 */ 178 #define cpu_signotify(l) aston() 179 180 extern int astpending; /* need to trap before returning to user mode */ 181 #define aston() (astpending++) 182 183 #endif /* _KERNEL */ 184 185 #define CPU_CONSDEV 1 186 #define CPU_MAXID 2 187 188 #define CTL_MACHDEP_NAMES { \ 189 { 0, 0 }, \ 190 { "console_device", CTLTYPE_STRUCT }, \ 191 } 192 193 /* values for machineid -- 194 * These are equivalent to the MacOS Gestalt values. */ 195 #define MACH_MACII 6 196 #define MACH_MACIIX 7 197 #define MACH_MACIICX 8 198 #define MACH_MACSE30 9 199 #define MACH_MACIICI 11 200 #define MACH_MACIIFX 13 201 #define MACH_MACIISI 18 202 #define MACH_MACQ900 20 203 #define MACH_MACPB170 21 204 #define MACH_MACQ700 22 205 #define MACH_MACCLASSICII 23 206 #define MACH_MACPB100 24 207 #define MACH_MACPB140 25 208 #define MACH_MACQ950 26 209 #define MACH_MACLCIII 27 210 #define MACH_MACPB210 29 211 #define MACH_MACC650 30 212 #define MACH_MACPB230 32 213 #define MACH_MACPB180 33 214 #define MACH_MACPB160 34 215 #define MACH_MACQ800 35 216 #define MACH_MACQ650 36 217 #define MACH_MACLCII 37 218 #define MACH_MACPB250 38 219 #define MACH_MACIIVI 44 220 #define MACH_MACP600 45 221 #define MACH_MACIIVX 48 222 #define MACH_MACCCLASSIC 49 223 #define MACH_MACPB165C 50 224 #define MACH_MACC610 52 225 #define MACH_MACQ610 53 226 #define MACH_MACPB145 54 227 #define MACH_MACLC520 56 228 #define MACH_MACC660AV 60 229 #define MACH_MACP460 62 230 #define MACH_MACPB180C 71 231 #define MACH_MACPB500 72 232 #define MACH_MACPB270 77 233 #define MACH_MACQ840AV 78 234 #define MACH_MACP550 80 235 #define MACH_MACCCLASSICII 83 236 #define MACH_MACPB165 84 237 #define MACH_MACPB190CS 85 238 #define MACH_MACTV 88 239 #define MACH_MACLC475 89 240 #define MACH_MACLC475_33 90 241 #define MACH_MACLC575 92 242 #define MACH_MACQ605 94 243 #define MACH_MACQ605_33 95 244 #define MACH_MACQ630 98 245 #define MACH_MACP580 99 246 #define MACH_MACPB280 102 247 #define MACH_MACPB280C 103 248 #define MACH_MACPB150 115 249 #define MACH_MACPB190 122 250 251 /* 252 * Machine classes. These define subsets of the above machines. 253 */ 254 #define MACH_CLASSH 0x0000 /* Hopeless cases... */ 255 #define MACH_CLASSII 0x0001 /* MacII class */ 256 #define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */ 257 #define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */ 258 #define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */ 259 #define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */ 260 #define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */ 261 #define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */ 262 #define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */ 263 #define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */ 264 #define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */ 265 #define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */ 266 #define MACH_CLASSP580 0x0103 /* Similar to Quadras, but not quite.. */ 267 268 #define MACH_68020 0 269 #define MACH_68030 1 270 #define MACH_68040 2 271 #define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */ 272 273 #ifdef _KERNEL 274 struct mac68k_machine_S { 275 int cpu_model_index; 276 /* 277 * Misc. info from booter. 278 */ 279 int machineid; 280 int mach_processor; 281 int mach_memsize; 282 int booter_version; 283 /* 284 * Debugging flags. 285 */ 286 int do_graybars; 287 int serial_boot_echo; 288 int serial_console; 289 290 int zs_chip; /* what type of chip we've got */ 291 int modem_flags; 292 int modem_cts_clk; 293 int modem_dcd_clk; 294 int modem_d_speed; 295 int print_flags; 296 int print_cts_clk; 297 int print_dcd_clk; 298 int print_d_speed; 299 /* 300 * Misc. hardware info. 301 */ 302 int scsi80; /* Has NCR 5380 */ 303 int scsi96; /* Has NCR 53C96 */ 304 int scsi96_2; /* Has 2nd 53C96 */ 305 int sonic; /* Has SONIC e-net */ 306 307 int via1_ipl; 308 int via2_ipl; 309 int aux_interrupts; 310 }; 311 312 /* What kind of model is this */ 313 struct cpu_model_info { 314 int machineid; /* MacOS Gestalt value. */ 315 const char *model_major; /* Make this distinction to save a few */ 316 const char *model_minor; /* bytes--might be useful, too. */ 317 int class; /* Rough class of machine. */ 318 /* forwarded romvec_s is defined in mac68k/macrom.h */ 319 struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */ 320 }; 321 extern struct cpu_model_info *current_mac_model; 322 323 extern unsigned long IOBase; /* Base address of I/O */ 324 extern unsigned long NuBusBase; /* Base address of NuBus */ 325 326 extern struct mac68k_machine_S mac68k_machine; 327 extern unsigned long load_addr; 328 #endif /* _KERNEL */ 329 330 /* physical memory sections */ 331 #define ROMBASE (0x40800000) 332 #define ROMLEN (0x00200000) /* 2MB will work for all 68k */ 333 #define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */ 334 335 #define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */ 336 337 /* XXX -- Need to do something about superspace. 338 * Technically, NuBus superspace starts at 0x60000000, but no 339 * known Macintosh has used any slot lower numbered than 9, and 340 * the super space is defined as 0xS000 0000 through 0xSFFF FFFF 341 * where S is the slot number--ranging from 0x9 - 0xE. 342 */ 343 #define NBSBASE 0x90000000 344 #define NBSTOP 0xF0000000 345 #define NBBASE 0xF9000000 /* NUBUS space */ 346 #define NBTOP 0xFF000000 /* NUBUS space */ 347 #define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */ 348 #define NBMEMSIZE 0x01000000 /* 16 megs per card */ 349 #define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */ 350 351 #ifdef _KERNEL 352 353 struct fpframe; 354 355 /* machdep.c */ 356 void mac68k_set_bell_callback(int (*)(void *, int, int, int), void *); 357 int mac68k_ring_bell(int, int, int); 358 u_int get_mapping(void); 359 360 /* locore.s functions */ 361 void m68881_save(struct fpframe *); 362 void m68881_restore(struct fpframe *); 363 int suline(void *, void *); 364 void loadustp(int); 365 366 /* fpu.c */ 367 void initfpu(void); 368 369 #endif 370 371 #endif /* _CPU_MACHINE_ */ 372
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