include/os9k.h

   1 #if !defined(_MODULE_H)
   2 #define _MODULE_H
   3
   4 /* OS-9000 i386 module header definitions */
   5 #define _MPF386
   6
   7 #if 0
   8 /* These have name conflicts with Mach and don't appear to be used.  */
   9 typedef unsigned char u_int16[2];
  10 typedef unsigned char u_int32[4];
  11 typedef unsigned char owner_id[4];
  12 #endif
  13
  14 /* sizeof common header less parity field */
  15 #define N_M_PARITY  (sizeof(mh_com)-sizeof(unisgned short))
  16 #define OLD_M_PARITY 46
  17 #define M_PARITY N_M_PARITY
  18
  19 #ifdef _MPF68K
  20 #define MODSYNC 0x4afd      /* module header sync code for 680x0 processors */
  21 #endif
  22
  23 #ifdef _MPF386
  24 #define MODSYNC 0x4afc      /* module header sync code for 80386 processors */
  25 #endif
  26
  27 #define MODREV  1                       /* module format revision 1 */
  28 #define CRCCON  0x800fe3        /* crc polynomial constant */
  29
  30 /* Module access permission values */
  31 #define MP_OWNER_READ   0x0001
  32 #define MP_OWNER_WRITE  0x0002
  33 #define MP_OWNER_EXEC   0x0004
  34 #define MP_GROUP_READ   0x0010
  35 #define MP_GROUP_WRITE  0x0020
  36 #define MP_GROUP_EXEC   0x0040
  37 #define MP_WORLD_READ   0x0100
  38 #define MP_WORLD_WRITE  0x0200
  39 #define MP_WORLD_EXEC   0x0400
  40 #define MP_WORLD_ACCESS 0x0777
  41 #define MP_OWNER_MASK   0x000f
  42 #define MP_GROUP_MASK   0x00f0
  43 #define MP_WORLD_MASK   0x0f00
  44 #define MP_SYSTM_MASK   0xf000
  45
  46 /* Module Type/Language values */
  47 #define MT_ANY          0
  48 #define MT_PROGRAM      0x0001
  49 #define MT_SUBROUT      0x0002
  50 #define MT_MULTI        0x0003
  51 #define MT_DATA         0x0004
  52 #define MT_TRAPLIB      0x000b
  53 #define MT_SYSTEM       0x000c
  54 #define MT_FILEMAN      0x000d
  55 #define MT_DEVDRVR      0x000e
  56 #define MT_DEVDESC      0x000f
  57 #define MT_MASK         0xff00
  58
  59 #define ML_ANY          0
  60 #define ML_OBJECT       1
  61 #define ML_ICODE        2
  62 #define ML_PCODE        3
  63 #define ML_CCODE        4
  64 #define ML_CBLCODE      5
  65 #define ML_FRTNCODE     6
  66 #define ML_MASK         0x00ff
  67
  68 #define mktypelang(type,lang)   (((type)<<8)|(lang))
  69
  70 /* Module Attribute values */
  71 #define MA_REENT        0x80
  72 #define MA_GHOST        0x40
  73 #define MA_SUPER        0x20
  74 #define MA_MASK         0xff00
  75 #define MR_MASK         0x00ff
  76
  77 #define mkattrevs(attr, revs)   (((attr)<<8)|(revs))
  78
  79 #define m_user m_owner.grp_usr.usr
  80 #define m_group m_owner.grp_usr.grp
  81 #define m_group_user m_owner.group_user
  82
  83 /* macro definitions for accessing module header fields */
  84 #define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
  85 #define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
  86 #define MHCOM_BYTES_SIZE 80
  87 #define N_BADMAG(a) (((a).a_info) != MODSYNC)
  88
  89 #if 0
  90 /* These don't appear to be used.  */
  91 typedef struct mh_com {
  92         u_int16
  93                 m_sync,                 /* sync bytes ($4afc)                                                           */
  94                 m_sysrev;               /* system revision check value                                          */
  95         u_int32
  96                 m_size;                 /* module size                                                                          */
  97         owner_id
  98                 m_owner;                /* group/user id                                                                        */
  99         u_int32
 100                 m_name;                 /* offset to module name                                                        */
 101         u_int16
 102                 m_access,               /* access permissions                                                           */
 103                 m_tylan,                /* type/lang                                                                            */
 104                 m_attrev,               /* rev/attr                                                                                     */
 105                 m_edit;                 /* edition                                                                                      */
 106         u_int32
 107                 m_needs,                /* module hardware requirements flags. (reserved)       */
 108                 m_usage,                /* comment string offset                                                        */
 109                 m_symbol,               /* symbol table offset                                                          */
 110                 m_exec,                 /* offset to execution entry point                                      */
 111                 m_excpt,                /* offset to exception entry point                                      */
 112                 m_data,                 /* data storage requirement                                                     */
 113                 m_stack,                /* stack size                                                                           */
 114                 m_idata,                /* offset to initialized data                                           */
 115                 m_idref,                /* offset to data reference lists                                       */
 116                 m_init,                 /* initialization routine offset                                        */
 117                 m_term;                 /* termination routine offset                                           */
 118         u_int16
 119                 m_ident;                /* ident code for ident program                                         */
 120         char
 121                 m_spare[8];     /* reserved bytes                                                                       */
 122         u_int16
 123                 m_parity;               /* header parity                                                                        */
 124 } mh_com,*Mh_com;
 125
 126 /* Executable memory module */
 127 typedef mh_com *Mh_exec,mh_exec;
 128
 129 /* Data memory module */
 130 typedef mh_com *Mh_data,mh_data;
 131
 132 /* File manager memory module */
 133 typedef mh_com *Mh_fman,mh_fman;
 134
 135 /* device driver module */
 136 typedef mh_com *Mh_drvr,mh_drvr;
 137
 138 /* trap handler module */
 139 typedef mh_com mh_trap, *Mh_trap;
 140
 141 /* Device descriptor module */
 142 typedef mh_com *Mh_dev,mh_dev;
 143
 144 /* Configuration module */
 145 typedef mh_com *Mh_config, mh_config;
 146
 147 #endif
 148
 149 #if 0
 150
 151 #if !defined(_MODDIR_H)
 152 /* go get _os_fmod (and others) */
 153 #include <moddir.h>
 154 #endif
 155
 156 error_code _os_crc(void *, u_int32, int *);
 157 error_code _os_datmod(char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **);
 158 error_code _os_get_moddir(void *, u_int32 *);
 159 error_code _os_initdata(mh_com *, void *);
 160 error_code _os_link(char **, mh_com **, void **, u_int16 *, u_int16 *);
 161 error_code _os_linkm(mh_com *, void **, u_int16 *, u_int16 *);
 162 error_code _os_load(char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32);
 163 error_code _os_mkmodule(char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32);
 164 error_code _os_modaddr(void *, mh_com **);
 165 error_code _os_setcrc(mh_com *);
 166 error_code _os_slink(u_int32, char *, void **, void **, mh_com **);
 167 error_code _os_slinkm(u_int32, mh_com *, void **, void **);
 168 error_code _os_unlink(mh_com *);
 169 error_code _os_unload(char *, u_int32);
 170 error_code _os_tlink(u_int32, char *, void **, mh_trap **, void *, u_int32);
 171 error_code _os_tlinkm(u_int32, mh_com *, void **, void *, u_int32);
 172 error_code _os_iodel(mh_com *);
 173 error_code _os_vmodul(mh_com *, mh_com *, u_int32);
 174 #endif /* 0 */
 175
 176 #endif