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Annotation of coherent/a/usr/include.b4ps2/sys/vt.h, revision 1.1

1.1     ! root        1: #ifndef VT_H
        !             2: #define VT_H
        !             3: 
        !             4: /*
        !             5:  * Type definitions
        !             6:  */
        !             7: 
        !             8: /*
        !             9:  * Virtual terminal structure VTDATA
        !            10:  */
        !            11: #ifdef _I386
        !            12: typedef        struct  {
        !            13:        unsigned        int     off;
        !            14:        unsigned    /*short*/   seg;
        !            15: }      faddr_t;
        !            16: #endif
        !            17: 
        !            18: typedef struct _VTDATA {
        !            19:        /*
        !            20:         * Elements dealing with the graphic adaptor 
        !            21:         * - equivalent to the assembler definitions above.
        !            22:         */
        !            23:        void    (*vmm_func)();
        !            24:        unsigned vmm_port,      vmm_seg,        vmm_off;
        !            25:        unsigned vmm_rowl,      vmm_col,        vmm_pos,        vmm_attr;
        !            26:        unsigned vmm_n1,        vmm_n2,         vmm_brow;
        !            27:        unsigned vmm_erow,      vmm_lrow,       vmm_srow;
        !            28:        unsigned vmm_scol,      vmm_ibrow,      vmm_ierow;
        !            29:        unsigned vmm_invis;
        !            30:        unsigned vmm_slow,      vmm_wrap,       vmm_visible,    vmm_esc;
        !            31:        unsigned vmm_mseg,      vmm_moff,       vmm_vseg,       vmm_voff;
        !            32: 
        !            33:        /*
        !            34:         * Elements dealing with both the graphic adaptor & keyboard 
        !            35:         * - equivalent to the assembler definitions above.
        !            36:         */
        !            37:        dev_t           vt_ind;
        !            38: #ifdef _I386
        !            39:        KBTBL           vt_kb[MAX_KEYS];
        !            40:        char            *vt_buffer;
        !            41: #else
        !            42:        SEG             *vt_buffer;
        !            43: #endif
        !            44:        /*
        !            45:         * Elements dealing with the keyboard 
        !            46:         *
        !            47:         * The keyboard mapping table is too large to fit into kernel data space,
        !            48:         * so we need to allocate a segment to it.
        !            49:         * The function keys tend to be small and tend to change substantially
        !            50:         * more often than the mapping table, so we keep them in the kernel data space.
        !            51:         */
        !            52:        int             vnkb_lastc;             /* state info */
        !            53:        unsigned        vnkb_shift;             /* Overall shift state */
        !            54:        unsigned        char **vnkb_funkeyp;    /* Pointer to array of func. key ptrs */
        !            55:        FNKEY           *vnkb_fnkeys;           /* Pointer to structure of values */
        !            56:        unsigned        vnkb_fklength;          /* length of k_fnval field in fnkeys */
        !            57:        unsigned        vnkb_sh_index;          /* shift/lock state index */
        !            58:        char            vnkb_fk_loaded;         /* true == function keys resident */
        !            59: }      VTDATA;
        !            60: 
        !            61: typedef struct _HWentry {
        !            62:        unsigned char   count, found;
        !            63:        short   port;
        !            64:        faddr_t vidmemory;
        !            65:        struct  {
        !            66:                unsigned char   row;
        !            67:                unsigned char   col;
        !            68: #define        TEXTBLOCK 4000  /* 25 x 80 x 2 */
        !            69:        } screen;
        !            70:        short   start;
        !            71: } HWentry;
        !            72: 
        !            73: #ifndef        KB_MAJOR
        !            74: #include <sys/devices.h>               /* KB_MAJOR defined in here */
        !            75: #endif
        !            76: 
        !            77: #ifndef        VT_MAJOR
        !            78: #define        VT_MAJOR        KB_MAJOR
        !            79: #endif
        !            80: 
        !            81: #define        VT_PHYSICAL     0x40
        !            82: #define        VT_HW           0x30
        !            83: #define        VT_HW_COLOR     0x00
        !            84: #define        VT_HW_MONO      0x10
        !            85: 
        !            86: #define        VT_INDEX(dev)   (dev&0x3F)
        !            87: 
        !            88: #define        NO_DEVICE       0xFF    /* to signify that the minor does not exist */
        !            89: 
        !            90: #define        PRINTV  if(vt_verbose)printf
        !            91: #define        PUTC    if(vt_verbose)putc
        !            92: 
        !            93: /*
        !            94:  * patchable params for non-standard keyboards
        !            95:  */
        !            96: extern int     KBDATA;                 /* Keyboard data */
        !            97: extern int     KBCTRL;                 /* Keyboard control */
        !            98: extern int     KBSTS_CMD;              /* Keyboard status/command */
        !            99: extern int     KBFLAG;                 /* Keyboard reset flag */
        !           100: extern int     KBBOOT;                 /* 0: disallow reboot from keyboard */
        !           101: extern int     KBTIMEOUT;              /* shouldn't need this much */
        !           102: extern int     KBCMDBYTE;              /* no translation */
        !           103: 
        !           104: /*
        !           105:  * globals
        !           106:  */
        !           107: extern int             vtmax, vtcount, vtactive;
        !           108: extern int             vt_verbose, vt_opened, vtloaded;
        !           109: extern VTDATA          *vtconsole, **vtdata;
        !           110: extern char            kb_table_loaded;
        !           111: extern HWentry         *vtHWtable[];
        !           112: 
        !           113: #endif /* VT_H */

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