Annotation of sys/arch/mac68k/include/cpu.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cpu.h,v 1.45 2007/07/29 21:24:05 miod Exp $ */
! 2: /* $NetBSD: cpu.h,v 1.45 1997/02/10 22:13:40 scottr Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1982, 1990 The Regents of the University of California.
! 7: * All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: */
! 37:
! 38: /*
! 39: * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved.
! 40: * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot
! 41:
! 42: * Redistribution of this source code or any part thereof is permitted,
! 43: * provided that the following conditions are met:
! 44: * 1) Utilized source contains the copyright message above, this list
! 45: * of conditions, and the following disclaimer.
! 46: * 2) Binary objects containing compiled source reproduce the
! 47: * copyright notice above on startup.
! 48: *
! 49: * CAVEAT: This source code is provided "as-is" by BCDL Labs, and any
! 50: * warranties of ANY kind are disclaimed. We don't even claim that it
! 51: * won't crash your hard disk. Basically, we want a little credit if
! 52: * it works, but we don't want to get mail-bombed if it doesn't.
! 53: */
! 54:
! 55: /*
! 56: * from: Utah $Hdr: cpu.h 1.16 91/03/25$
! 57: *
! 58: * @(#)cpu.h 7.7 (Berkeley) 6/27/91
! 59: */
! 60:
! 61: #ifndef _CPU_MACHINE_
! 62: #define _CPU_MACHINE_
! 63:
! 64: /*
! 65: * Exported definitions unique to mac68k/68k cpu support.
! 66: */
! 67:
! 68: /*
! 69: * Get common m68k definitions.
! 70: */
! 71: #include <m68k/cpu.h>
! 72: #define M68K_MMU_MOTOROLA
! 73:
! 74: #ifdef _KERNEL
! 75:
! 76: /*
! 77: * Get interrupt glue.
! 78: */
! 79: #include <machine/intr.h>
! 80:
! 81: /*
! 82: * definitions of cpu-dependent requirements
! 83: * referenced in generic code
! 84: */
! 85: #define cpu_wait(p) /* nothing */
! 86:
! 87: /*
! 88: * Arguments to hardclock and gatherstats encapsulate the previous
! 89: * machine state in an opaque clockframe. One the hp300, we use
! 90: * what the hardware pushes on an interrupt (frame format 0).
! 91: */
! 92: struct clockframe {
! 93: u_short sr; /* sr at time of interrupt */
! 94: u_long pc; /* pc at time of interrupt */
! 95: u_short vo; /* vector offset (4-word frame) */
! 96: };
! 97:
! 98: #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0)
! 99: #define CLKF_PC(framep) ((framep)->pc)
! 100: #define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */
! 101:
! 102: /*
! 103: * Preempt the current process if in interrupt from user mode,
! 104: * or after the current trap/syscall if in system mode.
! 105: */
! 106: extern int want_resched; /* resched() was called */
! 107: #define need_resched(ci) { want_resched = 1; aston(); }
! 108:
! 109: /*
! 110: * Give a profiling tick to the current process from the softclock
! 111: * interrupt. Request an ast to send us through trap(),
! 112: * marking the proc as needing a profiling tick.
! 113: */
! 114: #define need_proftick(p) aston()
! 115:
! 116: /*
! 117: * Notify the current process (p) that it has a signal pending,
! 118: * process as soon as possible.
! 119: */
! 120: #define signotify(p) aston()
! 121:
! 122: extern int astpending; /* need to trap before returning to user mode */
! 123: #define aston() (astpending = 1)
! 124:
! 125: #endif /* _KERNEL */
! 126:
! 127: #define CPU_CONSDEV 1
! 128: #define CPU_MAXID 2
! 129:
! 130: #define CTL_MACHDEP_NAMES { \
! 131: { 0, 0 }, \
! 132: { "console_device", CTLTYPE_STRUCT }, \
! 133: }
! 134:
! 135: #ifdef _KERNEL
! 136:
! 137: /* values for machineid --
! 138: * These are equivalent to the MacOS Gestalt values. */
! 139: #define MACH_MACII 6
! 140: #define MACH_MACIIX 7
! 141: #define MACH_MACIICX 8
! 142: #define MACH_MACSE30 9
! 143: #define MACH_MACIICI 11
! 144: #define MACH_MACIIFX 13
! 145: #define MACH_MACIISI 18
! 146: #define MACH_MACQ900 20
! 147: #define MACH_MACPB170 21
! 148: #define MACH_MACQ700 22
! 149: #define MACH_MACCLASSICII 23
! 150: #define MACH_MACPB100 24
! 151: #define MACH_MACPB140 25
! 152: #define MACH_MACQ950 26
! 153: #define MACH_MACLCIII 27
! 154: #define MACH_MACPB210 29
! 155: #define MACH_MACC650 30
! 156: #define MACH_MACPB230 32
! 157: #define MACH_MACPB180 33
! 158: #define MACH_MACPB160 34
! 159: #define MACH_MACQ800 35
! 160: #define MACH_MACQ650 36
! 161: #define MACH_MACLCII 37
! 162: #define MACH_MACPB250 38
! 163: #define MACH_MACIIVI 44
! 164: #define MACH_MACP600 45
! 165: #define MACH_MACIIVX 48
! 166: #define MACH_MACCCLASSIC 49
! 167: #define MACH_MACPB165C 50
! 168: #define MACH_MACC610 52
! 169: #define MACH_MACQ610 53
! 170: #define MACH_MACPB145 54
! 171: #define MACH_MACLC520 56
! 172: #define MACH_MACC660AV 60
! 173: #define MACH_MACP460 62
! 174: #define MACH_MACPB180C 71
! 175: #define MACH_MACPB500 72
! 176: #define MACH_MACPB270 77
! 177: #define MACH_MACQ840AV 78
! 178: #define MACH_MACP550 80
! 179: #define MACH_MACCCLASSICII 83
! 180: #define MACH_MACPB165 84
! 181: #define MACH_MACPB190CS 85
! 182: #define MACH_MACTV 88
! 183: #define MACH_MACLC475 89
! 184: #define MACH_MACLC475_33 90
! 185: #define MACH_MACLC575 92
! 186: #define MACH_MACQ605 94
! 187: #define MACH_MACQ605_33 95
! 188: #define MACH_MACQ630 98
! 189: #define MACH_MACP580 99
! 190: #define MACH_MACPB280 102
! 191: #define MACH_MACPB280C 103
! 192: #define MACH_MACPB150 115
! 193: #define MACH_MACPB190 122
! 194:
! 195: /*
! 196: * Machine classes. These define subsets of the above machines.
! 197: */
! 198: #define MACH_CLASSH 0 /* Hopeless cases... */
! 199: #define MACH_CLASSII 1 /* MacII class */
! 200: #define MACH_CLASSIIci 2 /* Have RBV, but no Egret */
! 201: #define MACH_CLASSIIsi 3 /* Similar to IIci -- Have Egret. */
! 202: #define MACH_CLASSIIvx 4 /* Similar to IIsi -- different via2 emul? */
! 203: #define MACH_CLASSLC 5 /* Low-Cost/Performa/Wal-Mart Macs. */
! 204: #define MACH_CLASSPB 6 /* Powerbooks. Power management. */
! 205: #define MACH_CLASSDUO 7 /* Powerbooks Duos. More integration/Docks. */
! 206: #define MACH_CLASSIIfx 8 /* The IIfx is in a class by itself. */
! 207: #define MACH_CLASSQ 9 /* non-A/V Centris/Quadras. */
! 208: #define MACH_CLASSAV 10 /* A/V Centris/Quadras. */
! 209: #define MACH_CLASSQ2 11 /* More Centris/Quadras, different sccA. */
! 210:
! 211: struct mac68k_machine_S {
! 212: int cpu_model_index;
! 213: /*
! 214: * Misc. info from booter.
! 215: */
! 216: int machineid;
! 217: int mach_memsize;
! 218: int booter_version;
! 219: /*
! 220: * Debugging flags.
! 221: */
! 222: int do_graybars;
! 223: int serial_boot_echo;
! 224: int serial_console;
! 225:
! 226: int modem_flags;
! 227: int modem_cts_clk;
! 228: int modem_dcd_clk;
! 229: int modem_d_speed;
! 230: int print_flags;
! 231: int print_cts_clk;
! 232: int print_dcd_clk;
! 233: int print_d_speed;
! 234: /*
! 235: * Misc. hardware info.
! 236: */
! 237: int scsi80; /* Has NCR 5380 */
! 238: int scsi96; /* Has NCR 53C96 */
! 239: int scsi96_2; /* Has 2nd 53C96 */
! 240: int sonic; /* Has SONIC e-net */
! 241:
! 242: int via1_ipl;
! 243: int aux_interrupts;
! 244: };
! 245:
! 246: /* What kind of model is this */
! 247: struct cpu_model_info {
! 248: int machineid; /* MacOS Gestalt value. */
! 249: const char *model; /* Model description */
! 250: int class; /* Rough class of machine. */
! 251: };
! 252: extern const struct cpu_model_info *current_mac_model;
! 253:
! 254: extern unsigned long IOBase; /* Base address of I/O */
! 255: extern unsigned long NuBusBase; /* Base address of NuBus */
! 256:
! 257: extern struct mac68k_machine_S mac68k_machine;
! 258: extern unsigned long load_addr;
! 259:
! 260: #define IIOMAPSIZE (0x040000 / PAGE_SIZE)
! 261:
! 262: /* XXX -- Need to do something about superspace.
! 263: * Technically, NuBus superspace starts at 0x60000000, but no
! 264: * known Macintosh has used any slot lower numbered than 9, and
! 265: * the super space is defined as 0xS000 0000 through 0xSFFF FFFF
! 266: * where S is the slot number--ranging from 0x9 - 0xE.
! 267: */
! 268: #define NBSBASE 0x90000000
! 269: #define NBSTOP 0xF0000000
! 270: #define NBBASE 0xF9000000 /* NUBUS space */
! 271: #define NBTOP 0xFF000000 /* NUBUS space */
! 272: #define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */
! 273: #define NBMEMSIZE 0x01000000 /* 16 megs per card */
! 274: #define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */
! 275:
! 276: /* locore.s */
! 277: void PCIA(void);
! 278:
! 279: /* machdep.c */
! 280: void mac68k_set_bell_callback(int (*)(void *, int, int, int), void *);
! 281: int mac68k_ring_bell(int, int, int);
! 282: u_int get_mapping(void);
! 283:
! 284: #endif
! 285:
! 286: #endif /* _CPU_MACHINE_ */
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