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Annotation of kernel/mon/i386/nvram.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*     @(#)nvram.h     1.0     10/06/86        (c) 1986 NeXT   */
        !            26: 
        !            27: /*
        !            28:  *  HISTORY
        !            29:  *
        !            30:  * 15-Mar-90  John Seamons (jks) at NeXT
        !            31:  *     Replaced unused ni_timezone field with bits to indicate auto poweron
        !            32:  *     mode in new clock chip.  Updated to include ni_reset field used by ROM.
        !            33:  */
        !            34:  
        !            35: #ifndef _NVRAM_
        !            36: #define _NVRAM_
        !            37: #ifndef        __ASSEMBLER__
        !            38: struct nvram_info {
        !            39: #define        NI_RESET        9
        !            40:        u_int   ni_reset : 4,
        !            41: #define        SCC_ALT_CONS    0x08000000
        !            42:                ni_alt_cons : 1,
        !            43: #define        ALLOW_EJECT     0x04000000
        !            44:                ni_allow_eject : 1,
        !            45:                ni_vol_r : 6,
        !            46:                ni_brightness : 6,
        !            47: #define        HW_PWD  0x6
        !            48:                ni_hw_pwd : 4,
        !            49:                ni_vol_l : 6,
        !            50:                ni_spkren : 1,
        !            51:                ni_lowpass : 1,
        !            52: #define        BOOT_ANY        0x00000002
        !            53:                ni_boot_any : 1,
        !            54: #define        ANY_CMD         0x00000001
        !            55:                ni_any_cmd : 1;
        !            56: #define        NVRAM_HW_PASSWD 6
        !            57:        u_char ni_ep[NVRAM_HW_PASSWD];
        !            58: #define        ni_enetaddr     ni_ep
        !            59: #define        ni_hw_passwd    ni_ep
        !            60:        u_short ni_simm;                /* 4 SIMMs, 4 bits per SIMM */
        !            61:        char ni_adobe[2];
        !            62:        u_char ni_pot[3];
        !            63:        u_char  ni_new_clock_chip : 1,
        !            64:                ni_auto_poweron : 1,
        !            65:                ni_use_console_slot : 1,        /* Console slot was set by user. */
        !            66:                ni_console_slot : 2,            /* Preferred console dev slot>>1 */
        !            67:                ni_use_parity_mem : 1,  /* Use parity RAM if available? */
        !            68:                : 2;
        !            69: #define        NVRAM_BOOTCMD   12
        !            70:        char ni_bootcmd[NVRAM_BOOTCMD];
        !            71:        u_short ni_cksum;
        !            72: };
        !            73: 
        !            74: #define        N_brightness    0
        !            75: #define        N_volume_l      1
        !            76: #define        N_volume_r      2
        !            77: #endif /* __ASSEMBLER__ */
        !            78: 
        !            79: /* nominal values during self test */
        !            80: #define        BRIGHT_NOM      20
        !            81: #define        VOL_NOM         0
        !            82: 
        !            83: /* bits in ni_pot[0] */
        !            84: #define POT_ON                 0x01
        !            85: #define EXTENDED_POT           0x02
        !            86: #define LOOP_POT               0x04
        !            87: #define        VERBOSE_POT             0x08
        !            88: #define        TEST_DRAM_POT           0x10
        !            89: #define        BOOT_POT                0x20
        !            90: #define        TEST_MONITOR_POT        0x40
        !            91: 
        !            92: /* ni_pot[1] oldest selftest error code */
        !            93: /* ni_pot[2] most recent selftest error code */
        !            94: 
        !            95: #endif /* _NVRAM_ */
        !            96: 

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