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Annotation of sys/arch/m88k/include/m88100.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: m88100.h,v 1.3 2006/11/18 22:58:28 miod Exp $ */
        !             2: /*
        !             3:  * Mach Operating System
        !             4:  * Copyright (c) 1993-1992 Carnegie Mellon University
        !             5:  * All Rights Reserved.
        !             6:  *
        !             7:  * Permission to use, copy, modify and distribute this software and its
        !             8:  * documentation is hereby granted, provided that both the copyright
        !             9:  * notice and this permission notice appear in all copies of the
        !            10:  * software, derivative works or modified versions, and any portions
        !            11:  * thereof, and that both notices appear in supporting documentation.
        !            12:  *
        !            13:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            14:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            15:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            16:  *
        !            17:  * Carnegie Mellon requests users of this software to return to
        !            18:  *
        !            19:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            20:  *  School of Computer Science
        !            21:  *  Carnegie Mellon University
        !            22:  *  Pittsburgh PA 15213-3890
        !            23:  *
        !            24:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            25:  * the rights to redistribute these changes.
        !            26:  */
        !            27:
        !            28: #ifndef __M88K_M88100_H__
        !            29: #define __M88K_M88100_H__
        !            30:
        !            31: /*
        !            32:  *     88100 RISC definitions
        !            33:  */
        !            34:
        !            35: /*
        !            36:  * DMT0, DMT1, DMT2 layout
        !            37:  *
        !            38:  * The DMT_SKIP bit is never set by the cpu.  It is used to mark 'known'
        !            39:  * transactions so that they don't get processed a second time by
        !            40:  * data_access_emulation().
        !            41:  */
        !            42: #define DMT_SKIP       0x00010000      /* skip this dmt */
        !            43: #define DMT_BO         0x00008000      /* Byte-Ordering */
        !            44: #define DMT_DAS                0x00004000      /* Data Access Space */
        !            45: #define DMT_DOUB1      0x00002000      /* Double Word */
        !            46: #define DMT_LOCKBAR    0x00001000      /* Bud Lock */
        !            47: #define DMT_DREG       0x00000F80      /* Destination Registers 5bits */
        !            48: #define DMT_SIGNED     0x00000040      /* Sign-Extended Bit */
        !            49: #define DMT_EN         0x0000003C      /* Byte Enable Bit */
        !            50: #define DMT_WRITE      0x00000002      /* Read/Write Transaction Bit */
        !            51: #define        DMT_VALID       0x00000001      /* Valid Transaction Bit */
        !            52:
        !            53: #define        DMT_DREGSHIFT   7
        !            54: #define        DMT_ENSHIFT     2
        !            55:
        !            56: #define        DMT_DREGBITS(x) (((x) & DMT_DREG) >> DMT_DREGSHIFT)
        !            57: #define        DMT_ENBITS(x)   (((x) & DMT_EN) >> DMT_ENSHIFT)
        !            58:
        !            59: #if defined(_KERNEL) && !defined(_LOCORE)
        !            60:
        !            61: void   dae_print(unsigned *);
        !            62: void   data_access_emulation(unsigned *);
        !            63:
        !            64: u_int32_t do_load_word(vaddr_t, int);
        !            65: u_int16_t do_load_half(vaddr_t, int);
        !            66: u_int8_t  do_load_byte(vaddr_t, int);
        !            67: void      do_store_word(vaddr_t, u_int32_t, int);
        !            68: void      do_store_half(vaddr_t, u_int16_t, int);
        !            69: void      do_store_byte(vaddr_t, u_int8_t, int);
        !            70: u_int32_t do_xmem_word(vaddr_t, u_int32_t, int);
        !            71: u_int8_t  do_xmem_byte(vaddr_t, u_int8_t, int);
        !            72:
        !            73: void   m88100_apply_patches(void);
        !            74:
        !            75: #endif
        !            76:
        !            77: #endif /* __M88K_M88100_H__ */