prom.h revision 1.2
1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 1995 Theo de Raadt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed under OpenBSD by 18 * Theo de Raadt for Willowglen Singapore. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define MVMEPROM_INCHR 0x00 35 #define MVMEPROM_INSTAT 0x01 36 #define MVMEPROM_INLN 0x02 37 #define MVMEPROM_READSTR 0x03 38 #define MVMEPROM_READLN 0x04 39 #define MVMEPROM_OUTCHR 0x20 40 #define MVMEPROM_OUTSTR 0x21 41 #define MVMEPROM_DSKRD 0x10 42 #define MVMEPROM_DSKWR 0x11 43 #define MVMEPROM_DSKCFIG 0x12 44 #define MVMEPROM_DSKFMT 0x14 45 #define MVMEPROM_DSKCTRL 0x15 46 #define MVMEPROM_NETCTRL 0x1d 47 #define MVMEPROM_OUTSTRCRLF 0x22 48 #define MVMEPROM_WRITE 0x23 49 #define MVMEPROM_WRITELN 0x24 50 #define MVMEPROM_DELAY 0x43 51 #define MVMEPROM_RTC_RD 0x53 52 #define MVMEPROM_EXIT 0x63 53 #define MVMEPROM_GETBRDID 0x70 54 #define MVMEPROM_ENVIRON 0x71 55 56 #define NETCTRLCMD_GETETHER 1 57 58 #define ENVIRONCMD_WRITE 1 59 #define ENVIRONCMD_READ 2 60 #define ENVIRONTYPE_EOL 0 61 #define ENVIRONTYPE_START 1 62 #define ENVIRONTYPE_DISKBOOT 2 63 #define ENVIRONTYPE_ROMBOOT 3 64 #define ENVIRONTYPE_NETBOOT 4 65 #define ENVIRONTYPE_MEMSIZE 5 66 67 #ifndef _LOCORE 68 struct prom_netctrl { 69 u_char dev; 70 u_char ctrl; 71 u_short status; 72 u_long cmd; 73 u_long addr; 74 u_long len; 75 u_long flags; 76 }; 77 78 struct prom_environ_hdr { 79 u_char type; 80 u_char len; 81 }; 82 83 struct mvmeprom_brdid { 84 u_long eye_catcher; 85 u_char rev; 86 u_char month; 87 u_char day; 88 u_char year; 89 u_short size; 90 u_short rsv1; 91 u_short model; 92 u_short suffix; 93 u_short options; 94 u_char family; 95 u_char cpu; 96 u_short ctrlun; 97 u_short devlun; 98 u_short devtype; 99 u_short devnum; 100 u_long bug; 101 102 /* 103 * XXX: I have seen no documentation for these! 104 * 105 * The following (appears to) exist only on the MVME162 and 106 * upwards. We should figure out what the other fields are. 107 */ 108 u_char xx1[16]; 109 u_char xx2[4]; 110 u_char longname[12]; 111 u_char xx3[16]; 112 u_char speed[4]; 113 u_char xx4[12]; 114 }; 115 116 struct mvmeprom_time { 117 u_char year_BCD; 118 u_char month_BCD; 119 u_char day_BCD; 120 u_char wday_BCD; 121 u_char hour_BCD; 122 u_char min_BCD; 123 u_char sec_BCD; 124 u_char cal_BCD; 125 }; 126 127 struct mvmeprom_dskio { 128 u_char ctrl_lun; 129 u_char dev_lun; 130 u_short status; 131 void *pbuffer; 132 u_long blk_num; 133 u_short blk_cnt; 134 u_char flag; 135 #define BUG_FILE_MARK 0x80 136 #define IGNORE_FILENUM 0x02 137 #define END_OF_FILE 0x01 138 u_char addr_mod; 139 }; 140 #define MVMEPROM_BLOCK_SIZE 256 141 142 struct mvmeprom_args { 143 u_int dev_lun; 144 u_int ctrl_lun; 145 u_int flags; 146 u_int ctrl_addr; 147 u_int entry; 148 u_int conf_blk; 149 char *arg_start; 150 char *arg_end; 151 char *nbarg_start; 152 char *nbarg_end; 153 u_int cputyp; 154 }; 155 156 #endif 157 158 #define MVMEPROM_CALL(x) \ 159 asm volatile (__CONCAT("trap #15; .short ", __STRING(x)) ) 160 #define MVMEPROM_NOARG() \ 161 asm volatile ("clrl sp@-") 162 #define MVMEPROM_ARG1(arg) \ 163 asm volatile ("movel %0, sp@-"::"d" (arg)) 164 #define MVMEPROM_ARG2(arg) \ 165 asm volatile ("movel %0, sp@-"::"d" (arg)) 166 #define MVMEPROM_GETRES(ret) \ 167 asm volatile ("movel sp@+,%0": "=d" (ret):) 168 #define MVMEPROM_RETURN(ret) \ 169 MVMEPROM_GETRES(ret); \ 170 return (ret); /* return a value (int) */ 171 #define MVMEPROM_RETURN_BYTE(ret) \ 172 MVMEPROM_GETRES(ret); \ 173 return((ret >> 24) & 0xff); /* return a byte, ret must be int */ 174 #define MVMEPROM_STATRET(ret) \ 175 MVMEPROM_GETRES(ret); \ 176 return (!(ret & 0x4)); /* return a 'status' */ 177 178 #define MVMEPROM_REG_DEVLUN "d0" 179 #define MVMEPROM_REG_CTRLLUN "d1" 180 #define MVMEPROM_REG_FLAGS "d4" 181 #define MVMEPROM_REG_CTRLADDR "a0" 182 #define MVMEPROM_REG_ENTRY "a1" 183 #define MVMEPROM_REG_CONFBLK "a2" 184 #define MVMEPROM_REG_NBARGSTART "a3" 185 #define MVMEPROM_REG_NBARGEND "a4" 186 #define MVMEPROM_REG_ARGSTART "a5" 187 #define MVMEPROM_REG_ARGEND "a6" 188 189 #ifndef RB_NOSYM 190 #define RB_NOSYM 0x400 191 #endif 192 #ifndef RB_SBOOT 193 #define RB_SBOOT 0x800 194 #endif 195 196
Indexes created Sat Sep 27 22:09:54 GMT 2025