diff options
Diffstat (limited to 'sys/arch/mac68k/include/cpu.h')
| -rw-r--r-- | sys/arch/mac68k/include/cpu.h | 222 |
1 files changed, 170 insertions, 52 deletions
diff --git a/sys/arch/mac68k/include/cpu.h b/sys/arch/mac68k/include/cpu.h index a467e5f16d4..c8b7cfdb594 100644 --- a/sys/arch/mac68k/include/cpu.h +++ b/sys/arch/mac68k/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.18 1998/03/01 00:37:36 niklas Exp $ */ +/* $OpenBSD: cpu.h,v 1.19 1998/05/03 07:10:44 gene Exp $ */ /* $NetBSD: cpu.h,v 1.45 1997/02/10 22:13:40 scottr Exp $ */ /* @@ -41,9 +41,8 @@ /* * Copyright (c) 1992, 1993 BCDL Labs. All rights reserved. - * Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, - * Lawrence Kesteloot - * + * 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 @@ -63,8 +62,12 @@ * @(#)cpu.h 7.7 (Berkeley) 6/27/91 */ -#ifndef _MAC68K_CPU_H_ -#define _MAC68K_CPU_H_ +#ifndef _CPU_MACHINE_ +#define _CPU_MACHINE_ + +/* + * Exported definitions unique to mac68k/68k cpu support. + */ #include <machine/pcb.h> @@ -75,25 +78,27 @@ #define M68K_MMU_MOTOROLA /* + * Get interrupt glue. + */ +#include <machine/intr.h> + +/* * definitions of cpu-dependent requirements * referenced in generic code */ #define cpu_swapin(p) /* nothing */ #define cpu_wait(p) /* nothing */ #define cpu_swapout(p) /* nothing */ -void cpu_set_kpc __P((struct proc *, void (*)(struct proc *))); /* - * Arguments to hardclock, softclock and gatherstats - * encapsulate the previous machine state in an opaque - * clockframe; for hp300, use just what the hardware - * leaves on the stack. + * 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; - u_long pc; - u_short vo; + 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) @@ -105,6 +110,7 @@ struct clockframe { * 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(); } /* @@ -120,34 +126,9 @@ struct clockframe { */ #define signotify(p) aston() +extern int astpending; /* need to trap before returning to user mode */ #define aston() (astpending++) -int astpending; /* need to trap before returning to user mode */ -int want_resched; /* resched() was called */ - -/* - * simulated software interrupt register - */ -extern volatile u_int8_t ssir; - -#define SIR_NET 0x01 -#define SIR_CLOCK 0x02 -#define SIR_SERIAL 0x04 - -/* Mac-specific SSIR(s) */ -#define SIR_DTMGR 0x80 - -#define siroff(mask) \ - __asm __volatile ( "andb %0,_ssir" : : "ir" (~(mask) & 0xff)); -#define setsoftnet() \ - __asm __volatile ( "orb %0,_ssir" : : "i" (SIR_NET)) -#define setsoftclock() \ - __asm __volatile ( "orb %0,_ssir" : : "i" (SIR_CLOCK)) -#define setsoftserial() \ - __asm __volatile ( "orb %0,_ssir" : : "i" (SIR_SERIAL)) -#define setsoftdtmgr() \ - __asm __volatile ( "orb %0,_ssir" : : "i" (SIR_DTMGR)) - #define CPU_CONSDEV 1 #define CPU_MAXID 2 @@ -156,12 +137,144 @@ extern volatile u_int8_t ssir; { "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 should be enough! */ +#define ROMLEN (0x00200000) /* 2MB will work for all 68k */ #define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */ -#define IIOMAPSIZE btoc(0x00100000) +#define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */ /* XXX -- Need to do something about superspace. * Technically, NuBus superspace starts at 0x60000000, but no @@ -175,8 +288,14 @@ extern volatile u_int8_t ssir; #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; -__BEGIN_DECLS /* machdep.c */ void mac68k_set_bell_callback __P((int (*)(void *, int, int, int), void *)); int mac68k_ring_bell __P((int, int, int)); @@ -185,29 +304,28 @@ u_int get_mapping __P((void)); /* locore.s */ void m68881_restore __P((struct fpframe *)); void m68881_save __P((struct fpframe *)); -u_int getsfc __P((void)); -u_int getdfc __P((void)); +u_int getsfc __P((void)); +u_int getdfc __P((void)); void TBIA __P((void)); void TBIAS __P((void)); void TBIS __P((vm_offset_t)); void DCFP __P((vm_offset_t)); void ICPP __P((vm_offset_t)); void DCIU __P((void)); +void DCIS __P((void)); void ICIA __P((void)); void DCFL __P((vm_offset_t)); int suline __P((caddr_t, caddr_t)); void savectx __P((struct pcb *)); void proc_trampoline __P((void)); -/* pmap.c */ -vm_offset_t pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int)); - /* trap.c */ -void child_return __P((struct proc *, struct frame)); +void child_return __P((struct proc *, struct frame)); /* vm_machdep.c */ void physaccess __P((caddr_t, caddr_t, register int, register int)); +void physunaccess __P((caddr_t, register int)); -__END_DECLS +#endif -#endif /* _MAC68K_CPU_H_ */ +#endif /* _CPU_MACHINE_ */ |