77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
#include <lib.h>
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#include <minix/com.h>
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#define ioctl _ioctl
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#include <sgtty.h>
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PUBLIC int ioctl(fd, request, argp)
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int fd;
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int request;
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struct sgttyb *argp;
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{
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int n;
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long erase, kill, intr, quit, xon, xoff, eof, brk, speed;
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struct tchars *argt;
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_M.TTY_REQUEST = request;
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_M.TTY_LINE = fd;
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switch(request) {
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case TIOCSETP:
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erase = argp->sg_erase & BYTE;
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kill = argp->sg_kill & BYTE;
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speed = ((argp->sg_ospeed & BYTE) << 8) | (argp->sg_ispeed & BYTE);
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_M.TTY_SPEK = (speed << 16) | (erase << 8) | kill;
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_M.TTY_FLAGS = argp->sg_flags;
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n = _callx(FS, IOCTL);
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return(n);
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case TIOCSETC:
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argt = (struct tchars * /* kludge */) argp;
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intr = argt->t_intrc & BYTE;
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quit = argt->t_quitc & BYTE;
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xon = argt->t_startc & BYTE;
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xoff = argt->t_stopc & BYTE;
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eof = argt->t_eofc & BYTE;
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brk = argt->t_brkc & BYTE; /* not used at the moment */
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_M.TTY_SPEK = (intr<<24) | (quit<<16) | (xon<<8) | (xoff<<0);
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_M.TTY_FLAGS = (eof<<8) | (brk<<0);
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n = _callx(FS, IOCTL);
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return(n);
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case TIOCGETP:
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n = _callx(FS, IOCTL);
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argp->sg_erase = (_M.TTY_SPEK >> 8) & BYTE;
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argp->sg_kill = (_M.TTY_SPEK >> 0) & BYTE;
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argp->sg_flags = _M.TTY_FLAGS & 0xFFFFL;
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speed = (_M.TTY_SPEK >> 16) & 0xFFFFL;
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argp->sg_ispeed = speed & BYTE;
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argp->sg_ospeed = (speed >> 8) & BYTE;
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return(n);
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case TIOCGETC:
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n = _callx(FS, IOCTL);
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argt = (struct tchars *) argp;
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argt->t_intrc = (_M.TTY_SPEK >> 24) & BYTE;
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argt->t_quitc = (_M.TTY_SPEK >> 16) & BYTE;
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argt->t_startc = (_M.TTY_SPEK >> 8) & BYTE;
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argt->t_stopc = (_M.TTY_SPEK >> 0) & BYTE;
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argt->t_eofc = (_M.TTY_FLAGS >> 8) & BYTE;
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argt->t_brkc = (_M.TTY_FLAGS >> 8) & BYTE;
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return(n);
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/* This is silly, do we want to add 1001 cases and _M.TTY_XYZ's here?
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* We should just pop argp into the message for low-level interpretation.
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*/
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case TIOCFLUSH:
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_M.TTY_FLAGS = (int /* kludge */) argp;
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return _callx(FS, IOCTL);
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/* decided to pop argp in the ADDRESS field. Left TIOCFLUSH a special case
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* since it affects other platforms and old software too. FM
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*/
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default:
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_M.ADDRESS = (char *)argp;
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return _callx(FS, IOCTL);
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}
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}
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