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mateuszvis |
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/* This file is part of the SvarCOM project and is published under the terms
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* of the MIT license.
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*
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* Copyright (C) 2021 Mateusz Viste
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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mateuszvis |
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#ifndef RMODINIT_H
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#define RMODINIT_H
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mateuszvis |
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#define FLAG_EXEC_AND_QUIT 1
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#define FLAG_PERMANENT 2
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struct rmod_props {
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mateuszvis |
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char inputbuf[130]; /* input buffer for INT 21, AH=0x0A */
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unsigned short rmodseg; /* segment where rmod is loaded */
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unsigned long origparent; /* original parent (far ptr) of the shell */
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mateuszvis |
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unsigned short origenvseg; /* original environment segment */
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mateuszvis |
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unsigned char flags; /* command line parameters */
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unsigned char echoflag; /* ECHO ON / ECHO OFF */
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mateuszvis |
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};
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mateuszvis |
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#define RMOD_OFFSET_ENVSEG 0x2C /* stored in rmod's PSP */
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#define RMOD_OFFSET_LEXITCODE 0x10A
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#define RMOD_OFFSET_COMSPECPTR 0x10C
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#define RMOD_OFFSET_BOOTDRIVE 0x10E
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#define RMOD_OFFSET_ROUTINE 0x11D
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mateuszvis |
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mateuszvis |
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struct rmod_props far *rmod_install(unsigned short envsize);
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struct rmod_props far *rmod_find(void);
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mateuszvis |
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void rmod_updatecomspecptr(unsigned short rmod_seg, unsigned short env_seg);
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mateuszvis |
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#endif
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