cpu.h revision 1.43
1 /* $NetBSD: cpu.h,v 1.43 1996/10/15 14:42:49 scottr Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 /* 42 * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved. 43 * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot 44 45 * Redistribution of this source code or any part thereof is permitted, 46 * provided that the following conditions are met: 47 * 1) Utilized source contains the copyright message above, this list 48 * of conditions, and the following disclaimer. 49 * 2) Binary objects containing compiled source reproduce the 50 * copyright notice above on startup. 51 * 52 * CAVEAT: This source code is provided "as-is" by BCDL Labs, and any 53 * warranties of ANY kind are disclaimed. We don't even claim that it 54 * won't crash your hard disk. Basically, we want a little credit if 55 * it works, but we don't want to get mail-bombed if it doesn't. 56 */ 57 58 /* 59 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 60 * 61 * @(#)cpu.h 7.7 (Berkeley) 6/27/91 62 */ 63 64 /* 65 ALICE 66 BG -- Sat May 23 23:58:23 EDT 1992 67 Exported defines and stuff unique to mac68k. 68 A lot of this stuff is really specific to the m68k, not just the macs, 69 but there isn't time to do anything about that right now... 70 */ 71 72 #ifndef _CPU_MACHINE_ 73 #define _CPU_MACHINE_ 74 75 #include <machine/pcb.h> 76 77 /* 78 * Get common m68k definitions. 79 */ 80 #include <m68k/cpu.h> 81 #define M68K_MMU_MOTOROLA 82 83 /* 84 * definitions of cpu-dependent requirements 85 * referenced in generic code 86 */ 87 #define cpu_swapin(p) /* nothing */ 88 #define cpu_wait(p) /* nothing */ 89 #define cpu_swapout(p) /* nothing */ 90 void cpu_set_kpc __P((struct proc *, void (*)(struct proc *))); 91 92 /* 93 * Arguments to hardclock, softclock and gatherstats 94 * encapsulate the previous machine state in an opaque 95 * clockframe; for hp300, use just what the hardware 96 * leaves on the stack. 97 */ 98 99 struct clockframe { 100 u_short sr; 101 u_long pc; 102 u_short vo; 103 }; 104 105 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 106 #define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0) 107 #define CLKF_PC(framep) ((framep)->pc) 108 #define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */ 109 110 /* 111 * Preempt the current process if in interrupt from user mode, 112 * or after the current trap/syscall if in system mode. 113 */ 114 #define need_resched() { want_resched++; aston(); } 115 116 /* 117 * Give a profiling tick to the current process from the softclock 118 * interrupt. Request an ast to send us through trap(), 119 * marking the proc as needing a profiling tick. 120 */ 121 #define need_proftick(p) ( (p)->p_flag |= P_OWEUPC, aston() ) 122 123 /* 124 * Notify the current process (p) that it has a signal pending, 125 * process as soon as possible. 126 */ 127 #define signotify(p) aston() 128 129 #define aston() (astpending++) 130 131 int astpending; /* need to trap before returning to user mode */ 132 int want_resched; /* resched() was called */ 133 134 /* 135 * simulated software interrupt register 136 */ 137 extern unsigned char ssir; 138 139 #define SIR_NET 0x1 140 #define SIR_CLOCK 0x2 141 #define SIR_SERIAL 0x4 142 143 #define siroff(x) ssir &= ~(x) 144 #define setsoftnet() ssir |= SIR_NET 145 #define setsoftclock() ssir |= SIR_CLOCK 146 #define setsoftserial() ssir |= SIR_SERIAL 147 148 #define CPU_CONSDEV 1 149 #define CPU_MAXID 2 150 151 #define CTL_MACHDEP_NAMES { \ 152 { 0, 0 }, \ 153 { "console_device", CTLTYPE_STRUCT }, \ 154 } 155 156 /* values for machineid -- 157 * These are equivalent to the MacOS Gestalt values. */ 158 #define MACH_MACII 6 159 #define MACH_MACIIX 7 160 #define MACH_MACIICX 8 161 #define MACH_MACSE30 9 162 #define MACH_MACIICI 11 163 #define MACH_MACIIFX 13 164 #define MACH_MACIISI 18 165 #define MACH_MACQ900 20 166 #define MACH_MACPB170 21 167 #define MACH_MACQ700 22 168 #define MACH_MACCLASSICII 23 169 #define MACH_MACPB100 24 170 #define MACH_MACPB140 25 171 #define MACH_MACQ950 26 172 #define MACH_MACLCIII 27 173 #define MACH_MACPB210 29 174 #define MACH_MACC650 30 175 #define MACH_MACPB230 32 176 #define MACH_MACPB180 33 177 #define MACH_MACPB160 34 178 #define MACH_MACQ800 35 179 #define MACH_MACQ650 36 180 #define MACH_MACLCII 37 181 #define MACH_MACPB250 38 182 #define MACH_MACIIVI 44 183 #define MACH_MACP600 45 184 #define MACH_MACIIVX 48 185 #define MACH_MACCCLASSIC 49 186 #define MACH_MACPB165C 50 187 #define MACH_MACC610 52 188 #define MACH_MACQ610 53 189 #define MACH_MACPB145 54 190 #define MACH_MACLC520 56 191 #define MACH_MACC660AV 60 192 #define MACH_MACP460 62 193 #define MACH_MACPB180C 71 194 #define MACH_MACPB500 72 195 #define MACH_MACPB270 77 196 #define MACH_MACQ840AV 78 197 #define MACH_MACP550 80 198 #define MACH_MACCCLASSICII 83 199 #define MACH_MACPB165 84 200 #define MACH_MACTV 88 201 #define MACH_MACLC475 89 202 #define MACH_MACLC575 92 203 #define MACH_MACQ605 94 204 #define MACH_MACQ630 98 205 #define MACH_MACPB280 102 206 #define MACH_MACPB280C 103 207 #define MACH_MACPB150 115 208 209 /* 210 * Machine classes. These define subsets of the above machines. 211 */ 212 #define MACH_CLASSH 0x0000 /* Hopeless cases... */ 213 #define MACH_CLASSII 0x0001 /* MacII class */ 214 #define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */ 215 #define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */ 216 #define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */ 217 #define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */ 218 #define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */ 219 #define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */ 220 #define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */ 221 #define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */ 222 #define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */ 223 #define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */ 224 225 #define MACH_68020 0 226 #define MACH_68030 1 227 #define MACH_68040 2 228 #define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */ 229 230 #ifdef _KERNEL 231 struct mac68k_machine_S { 232 int cpu_model_index; 233 /* 234 * Misc. info from booter. 235 */ 236 int machineid; 237 int mach_processor; 238 int mach_memsize; 239 int booter_version; 240 /* 241 * Debugging flags. 242 */ 243 int do_graybars; 244 int serial_boot_echo; 245 int serial_console; 246 int modem_flags; 247 int modem_cts_clk; 248 int modem_dcd_clk; 249 int print_flags; 250 int print_cts_clk; 251 int print_dcd_clk; 252 /* 253 * Misc. hardware info. 254 */ 255 int scsi80; /* Has NCR 5380 */ 256 int scsi96; /* Has NCR 53C96 */ 257 int scsi96_2; /* Has 2nd 53C96 */ 258 int sonic; /* Has SONIC e-net */ 259 260 int sccClkConst; /* "Constant" for SCC bps */ 261 }; 262 263 /* What kind of model is this */ 264 struct cpu_model_info { 265 int machineid; /* MacOS Gestalt value. */ 266 char *model_major; /* Make this distinction to save a few */ 267 char *model_minor; /* bytes--might be useful, too. */ 268 int class; /* Rough class of machine. */ 269 /* forwarded romvec_s is defined in mac68k/macrom.h */ 270 struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */ 271 }; 272 extern struct cpu_model_info *current_mac_model; 273 274 extern unsigned long IOBase; /* Base address of I/O */ 275 extern unsigned long NuBusBase; /* Base address of NuBus */ 276 277 extern struct mac68k_machine_S mac68k_machine; 278 extern unsigned long load_addr; 279 #endif /* _KERNEL */ 280 281 /* physical memory sections */ 282 #define ROMBASE (0x40800000) 283 #define ROMLEN (0x00200000) /* 2MB will work for all 68k */ 284 #define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */ 285 286 #define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */ 287 288 /* XXX -- Need to do something about superspace. 289 * Technically, NuBus superspace starts at 0x60000000, but no 290 * known Macintosh has used any slot lower numbered than 9, and 291 * the super space is defined as 0xS000 0000 through 0xSFFF FFFF 292 * where S is the slot number--ranging from 0x9 - 0xE. 293 */ 294 #define NBSBASE 0x90000000 295 #define NBSTOP 0xF0000000 296 #define NBBASE 0xF9000000 /* NUBUS space */ 297 #define NBTOP 0xFF000000 /* NUBUS space */ 298 #define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */ 299 #define NBMEMSIZE 0x01000000 /* 16 megs per card */ 300 #define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */ 301 302 __BEGIN_DECLS 303 /* machdep.c */ 304 u_int get_mapping __P((void)); 305 306 /* locore.s */ 307 void m68881_restore __P((struct fpframe *)); 308 void m68881_save __P((struct fpframe *)); 309 u_int getsfc __P((void)); 310 u_int getdfc __P((void)); 311 void TBIA __P((void)); 312 void TBIAS __P((void)); 313 void TBIS __P((vm_offset_t)); 314 void DCFP __P((vm_offset_t)); 315 void ICPP __P((vm_offset_t)); 316 void DCIU __P((void)); 317 void ICIA __P((void)); 318 void DCFL __P((vm_offset_t)); 319 int suline __P((caddr_t, caddr_t)); 320 void savectx __P((struct pcb *)); 321 void proc_trampoline __P((void)); 322 323 /* trap.c */ 324 void child_return __P((struct proc *, struct frame)); 325 326 __END_DECLS 327 328 #endif /* _CPU_MACHINE_ */ 329
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