Return to pm_defs.h CVS log

Up to [GnuMach] / Gnu-Mach / chips

Annotation of Gnu-Mach/chips/pm_defs.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     File: pm_defs.h
        !            28:  *     Author: Alessandro Forin, Carnegie Mellon University
        !            29:  *     Date:   9/90
        !            30:  *
        !            31:  *     Definitions specific to the "pm" simple framebuffer driver,
        !            32:  *     exported across sub-modules.  Some other framebuffer drivers
        !            33:  *     that share code with pm use these defs also.
        !            34:  */
        !            35: 
        !            36: /* Hardware state (to be held in the screen descriptor) */
        !            37: 
        !            38: typedef struct {
        !            39:        char            *cursor_registers;      /* opaque, for sharing */
        !            40:        unsigned short  cursor_state;           /* some regs are W-only */
        !            41:        short           unused;                 /* padding, free */
        !            42:        char            *vdac_registers;        /* opaque, for sharing */
        !            43:        unsigned char   *framebuffer;
        !            44:        unsigned char   *plane_mask;
        !            45: } pm_softc_t;
        !            46: 
        !            47: extern pm_softc_t      *pm_alloc(/* unit, curs, framebuf, planem */);
        !            48: 
        !            49: /* user mapping sizes */
        !            50: #define        USER_INFO_SIZE  PAGE_SIZE
        !            51: #define        PMASK_SIZE      PAGE_SIZE
        !            52: #define        BITMAP_SIZE(sc)                                         \
        !            53:        ((sc)->frame_height * (((sc)->flags & COLOR_SCREEN) ?   \
        !            54:                sc->frame_scanline_width :                      \
        !            55:                sc->frame_scanline_width>>3))
        !            56: 
        !            57: #define        PM_SIZE(sc)     (USER_INFO_SIZE+PMASK_SIZE+BITMAP_SIZE(sc))

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.