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