/* $OpenBSD: cpu.h,v 1.29 2004/05/20 09:20:42 kettenis Exp $ */ /* $NetBSD: cpu.h,v 1.45 1997/02/10 22:13:40 scottr Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved. * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot * Redistribution of this source code or any part thereof is permitted, * provided that the following conditions are met: * 1) Utilized source contains the copyright message above, this list * of conditions, and the following disclaimer. * 2) Binary objects containing compiled source reproduce the * copyright notice above on startup. * * CAVEAT: This source code is provided "as-is" by BCDL Labs, and any * warranties of ANY kind are disclaimed. We don't even claim that it * won't crash your hard disk. Basically, we want a little credit if * it works, but we don't want to get mail-bombed if it doesn't. */ /* * from: Utah $Hdr: cpu.h 1.16 91/03/25$ * * @(#)cpu.h 7.7 (Berkeley) 6/27/91 */ #ifndef _CPU_MACHINE_ #define _CPU_MACHINE_ /* * Exported definitions unique to mac68k/68k cpu support. */ #include /* * Get common m68k definitions. */ #include #define M68K_MMU_MOTOROLA /* * Get interrupt glue. */ #include /* * definitions of cpu-dependent requirements * referenced in generic code */ #define cpu_swapin(p) /* nothing */ #define cpu_wait(p) /* nothing */ #define cpu_swapout(p) /* nothing */ /* * Arguments to hardclock and gatherstats encapsulate the previous * machine state in an opaque clockframe. One the hp300, we use * what the hardware pushes on an interrupt (frame format 0). */ struct clockframe { u_short sr; /* sr at time of interrupt */ u_long pc; /* pc at time of interrupt */ u_short vo; /* vector offset (4-word frame) */ }; #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) #define CLKF_PC(framep) ((framep)->pc) #define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */ /* * Preempt the current process if in interrupt from user mode, * or after the current trap/syscall if in system mode. */ extern int want_resched; /* resched() was called */ #define need_resched() { want_resched++; aston(); } /* * Give a profiling tick to the current process from the softclock * interrupt. Request an ast to send us through trap(), * marking the proc as needing a profiling tick. */ #define need_proftick(p) ( (p)->p_flag |= P_OWEUPC, aston() ) /* * Notify the current process (p) that it has a signal pending, * process as soon as possible. */ #define signotify(p) aston() extern int astpending; /* need to trap before returning to user mode */ #define aston() (astpending++) #define CPU_CONSDEV 1 #define CPU_MAXID 2 #define CTL_MACHDEP_NAMES { \ { 0, 0 }, \ { "console_device", CTLTYPE_STRUCT }, \ } /* values for machineid -- * These are equivalent to the MacOS Gestalt values. */ #define MACH_MACII 6 #define MACH_MACIIX 7 #define MACH_MACIICX 8 #define MACH_MACSE30 9 #define MACH_MACIICI 11 #define MACH_MACIIFX 13 #define MACH_MACIISI 18 #define MACH_MACQ900 20 #define MACH_MACPB170 21 #define MACH_MACQ700 22 #define MACH_MACCLASSICII 23 #define MACH_MACPB100 24 #define MACH_MACPB140 25 #define MACH_MACQ950 26 #define MACH_MACLCIII 27 #define MACH_MACPB210 29 #define MACH_MACC650 30 #define MACH_MACPB230 32 #define MACH_MACPB180 33 #define MACH_MACPB160 34 #define MACH_MACQ800 35 #define MACH_MACQ650 36 #define MACH_MACLCII 37 #define MACH_MACPB250 38 #define MACH_MACIIVI 44 #define MACH_MACP600 45 #define MACH_MACIIVX 48 #define MACH_MACCCLASSIC 49 #define MACH_MACPB165C 50 #define MACH_MACC610 52 #define MACH_MACQ610 53 #define MACH_MACPB145 54 #define MACH_MACLC520 56 #define MACH_MACC660AV 60 #define MACH_MACP460 62 #define MACH_MACPB180C 71 #define MACH_MACPB500 72 #define MACH_MACPB270 77 #define MACH_MACQ840AV 78 #define MACH_MACP550 80 #define MACH_MACCCLASSICII 83 #define MACH_MACPB165 84 #define MACH_MACTV 88 #define MACH_MACLC475 89 #define MACH_MACLC475_33 90 #define MACH_MACLC575 92 #define MACH_MACQ605 94 #define MACH_MACQ605_33 95 #define MACH_MACQ630 98 #define MACH_MACP580 99 #define MACH_MACPB280 102 #define MACH_MACPB280C 103 #define MACH_MACPB150 115 /* * Machine classes. These define subsets of the above machines. */ #define MACH_CLASSH 0x0000 /* Hopeless cases... */ #define MACH_CLASSII 0x0001 /* MacII class */ #define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */ #define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */ #define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */ #define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */ #define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */ #define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */ #define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */ #define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */ #define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */ #define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */ #define MACH_CLASSP580 0x0103 /* Similar to Quadras, but not quite.. */ #define MACH_68020 0 #define MACH_68030 1 #define MACH_68040 2 #define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */ #ifdef _KERNEL struct mac68k_machine_S { int cpu_model_index; /* * Misc. info from booter. */ int machineid; int mach_processor; int mach_memsize; int booter_version; /* * Debugging flags. */ int do_graybars; int serial_boot_echo; int serial_console; int zs_chip; /* what type of chip we've got */ int sccClkConst; /* Compatibility information */ int modem_flags; int modem_cts_clk; int modem_dcd_clk; int modem_d_speed; int print_flags; int print_cts_clk; int print_dcd_clk; int print_d_speed; /* * Misc. hardware info. */ int scsi80; /* Has NCR 5380 */ int scsi96; /* Has NCR 53C96 */ int scsi96_2; /* Has 2nd 53C96 */ int sonic; /* Has SONIC e-net */ }; /* What kind of model is this */ struct cpu_model_info { int machineid; /* MacOS Gestalt value. */ char *model_major; /* Make this distinction to save a few */ char *model_minor; /* bytes--might be useful, too. */ int class; /* Rough class of machine. */ /* forwarded romvec_s is defined in mac68k/macrom.h */ struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */ }; extern struct cpu_model_info *current_mac_model; extern unsigned long IOBase; /* Base address of I/O */ extern unsigned long NuBusBase; /* Base address of NuBus */ extern struct mac68k_machine_S mac68k_machine; extern unsigned long load_addr; #endif /* _KERNEL */ /* physical memory sections */ #define ROMBASE (0x40800000) #define ROMLEN (0x00200000) /* 2MB will work for all 68k */ #define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */ #define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */ /* XXX -- Need to do something about superspace. * Technically, NuBus superspace starts at 0x60000000, but no * known Macintosh has used any slot lower numbered than 9, and * the super space is defined as 0xS000 0000 through 0xSFFF FFFF * where S is the slot number--ranging from 0x9 - 0xE. */ #define NBSBASE 0x90000000 #define NBSTOP 0xF0000000 #define NBBASE 0xF9000000 /* NUBUS space */ #define NBTOP 0xFF000000 /* NUBUS space */ #define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */ #define NBMEMSIZE 0x01000000 /* 16 megs per card */ #define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */ #ifdef _KERNEL struct frame; struct fpframe; struct pcb; /* machdep.c */ void mac68k_set_bell_callback(int (*)(void *, int, int, int), void *); int mac68k_ring_bell(int, int, int); u_int get_mapping(void); /* locore.s */ void m68881_restore(struct fpframe *); void m68881_save(struct fpframe *); void DCIA(void); void DCIS(void); void DCIU(void); void ICIA(void); void ICPA(void); void PCIA(void); void TBIA(void); void TBIAS(void); void TBIAU(void); void TBIS(vm_offset_t); #if defined(M68040) void DCFA(void); void DCFP(paddr_t); void DCFL(paddr_t); void DCPL(paddr_t); void DCPP(paddr_t); void ICPL(paddr_t); void ICPP(paddr_t); #endif int suline(caddr_t, caddr_t); void savectx(struct pcb *); void proc_trampoline(void); void loadustp(int); /* sys_machdep.c */ int cachectl(struct proc *, int, vaddr_t, int); /* vm_machdep.c */ void physaccess(caddr_t, caddr_t, register int, register int); void physunaccess(caddr_t, register int); #endif #endif /* _CPU_MACHINE_ */