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Merged from sys/dev/syscons/syscons.c revisions 1.386 and 1.387.

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This commit is contained in:
Yoshihiro Takahashi 2002-08-20 14:39:29 +00:00
parent 579bb37015
commit dacea73d13
1 changed files with 58 additions and 5 deletions
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63
sys/pc98/pc98/syscons.c
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@ -751,6 +751,7 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
ptr->mv_row = scp->ypos;
ptr->mv_csz = scp->xsize;
ptr->mv_rsz = scp->ysize;
ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0;
/*
* The following fields are filled by the terminal emulator. XXX
*
@ -837,20 +838,58 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
case CONS_SCRSHOT: /* get a screen shot */
{
scrshot_t *ptr = (scrshot_t*)data;
int retval, hist_rsz;
size_t lsize, csize;
vm_offset_t frbp, hstp;
unsigned lnum;
scrshot_t *ptr = (scrshot_t *)data;
void *outp = ptr->buf;
s = spltty();
if (ISGRAPHSC(scp)) {
splx(s);
return EOPNOTSUPP;
}
if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) {
hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0;
if ((ptr->x + ptr->xsize) > scp->xsize ||
(ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) {
splx(s);
return EINVAL;
}
copyout ((void*)scp->vtb.vtb_buffer, ptr->buf,
ptr->xsize * ptr->ysize * sizeof(u_int16_t));
lsize = scp->xsize * sizeof(u_int16_t);
csize = ptr->xsize * sizeof(u_int16_t);
/* Pointer to the last line of framebuffer */
frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x *
sizeof(u_int16_t);
/* Pointer to the last line of target buffer */
(vm_offset_t)outp += ptr->ysize * csize;
/* Pointer to the last line of history buffer */
if (scp->history != NULL)
hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) *
sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t);
else
hstp = NULL;
retval = 0;
for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) {
if (lnum < scp->ysize) {
frbp -= lsize;
} else {
hstp -= lsize;
if (hstp < scp->history->vtb_buffer)
hstp += scp->history->vtb_rows * lsize;
frbp = hstp;
}
if (lnum < ptr->y)
continue;
(vm_offset_t)outp -= csize;
retval = copyout((void *)frbp, outp, csize);
if (retval != 0)
break;
}
splx(s);
return 0;
return retval;
}
case VT_SETMODE: /* set screen switcher mode */
@ -983,6 +1022,13 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
*(int *)data = scp->index + 1;
return 0;
case VT_LOCKSWITCH: /* prevent vty switching */
if ((*(int *)data) & 0x01)
sc->flags |= SC_SCRN_VTYLOCK;
else
sc->flags &= ~SC_SCRN_VTYLOCK;
return 0;
case KDENABIO: /* allow io operations */
error = suser(td);
if (error != 0)
@ -2090,6 +2136,13 @@ sc_switch_scr(sc_softc_t *sc, u_int next_scr)
DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1));
/* prevent switch if previously requested */
if (sc->flags & SC_SCRN_VTYLOCK) {
sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch,
sc->cur_scp->bell_duration);
return EPERM;
}
/* delay switch if the screen is blanked or being updated */
if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
|| sc->blink_in_progress || sc->videoio_in_progress) {