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Annotation of kernel/mon/i386/nvram.h, revision 1.1.1.1

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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