d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
c9ce464cb7
freebsd-nq/sys/dev/syscons/scvidctl.c
Kazutaka YOKOTA c4c9400b69 - Fixed memory leak in sc_alloc_history_buffer(). 
- Correctly observe the variable `extra_history_size' when changing
  the size of history (scroll back) buffer.
- Added sc_free_history_buffer().

Pointed out by: des
1999-07-07 13:48:50 +00:00

809 lines
21 KiB
C
Raw Blame History

/*-
* Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer as
* the first lines of this file unmodified.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: scvidctl.c,v 1.9 1999/06/22 14:13:29 yokota Exp $
*/
#include "sc.h"
#include "opt_syscons.h"
#if NSC > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/signalvar.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/console.h>
#include <dev/fb/fbreg.h>
#include <dev/syscons/syscons.h>
/* for compatibility with previous versions */
/* 3.0-RELEASE used the following structure */
typedef struct old_video_adapter {
int va_index;
int va_type;
int va_flags;
/* flag bits are the same as the -CURRENT
#define V_ADP_COLOR (1<<0)
#define V_ADP_MODECHANGE (1<<1)
#define V_ADP_STATESAVE (1<<2)
#define V_ADP_STATELOAD (1<<3)
#define V_ADP_FONT (1<<4)
#define V_ADP_PALETTE (1<<5)
#define V_ADP_BORDER (1<<6)
#define V_ADP_VESA (1<<7)
*/
int va_crtc_addr;
u_int va_window; /* virtual address */
size_t va_window_size;
size_t va_window_gran;
u_int va_buffer; /* virtual address */
size_t va_buffer_size;
int va_initial_mode;
int va_initial_bios_mode;
int va_mode;
} old_video_adapter_t;
#define OLD_CONS_ADPINFO _IOWR('c', 101, old_video_adapter_t)
/* 3.1-RELEASE used the following structure */
typedef struct old_video_adapter_info {
int va_index;
int va_type;
char va_name[16];
int va_unit;
int va_flags;
int va_io_base;
int va_io_size;
int va_crtc_addr;
int va_mem_base;
int va_mem_size;
u_int va_window; /* virtual address */
size_t va_window_size;
size_t va_window_gran;
u_int va_buffer;;
size_t va_buffer_size;
int va_initial_mode;
int va_initial_bios_mode;
int va_mode;
int va_line_width;
} old_video_adapter_info_t;
#define OLD_CONS_ADPINFO2 _IOWR('c', 101, old_video_adapter_info_t)
/* 3.0-RELEASE and 3.1-RELEASE used the following structure */
typedef struct old_video_info {
int vi_mode;
int vi_flags;
/* flag bits are the same as the -CURRENT
#define V_INFO_COLOR (1<<0)
#define V_INFO_GRAPHICS (1<<1)
#define V_INFO_LINEAR (1<<2)
#define V_INFO_VESA (1<<3)
*/
int vi_width;
int vi_height;
int vi_cwidth;
int vi_cheight;
int vi_depth;
int vi_planes;
u_int vi_window; /* physical address */
size_t vi_window_size;
size_t vi_window_gran;
u_int vi_buffer; /* physical address */
size_t vi_buffer_size;
} old_video_info_t;
#define OLD_CONS_MODEINFO _IOWR('c', 102, old_video_info_t)
#define OLD_CONS_FINDMODE _IOWR('c', 103, old_video_info_t)
int
sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int xsize, int ysize,
int fontsize)
{
video_info_t info;
sc_rndr_sw_t *rndr;
u_char *font;
int prev_ysize;
int error;
int s;
if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, mode, &info))
return ENODEV;
/* adjust argument values */
if (fontsize <= 0)
fontsize = info.vi_cheight;
if (fontsize < 14) {
fontsize = 8;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_8))
return EINVAL;
font = scp->sc->font_8;
#else
font = NULL;
#endif
} else if (fontsize >= 16) {
fontsize = 16;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_16))
return EINVAL;
font = scp->sc->font_16;
#else
font = NULL;
#endif
} else {
fontsize = 14;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_14))
return EINVAL;
font = scp->sc->font_14;
#else
font = NULL;
#endif
}
if ((xsize <= 0) || (xsize > info.vi_width))
xsize = info.vi_width;
if ((ysize <= 0) || (ysize > info.vi_height))
ysize = info.vi_height;
/* stop screen saver, etc */
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
rndr = sc_render_match(scp, scp->sc->adp, 0);
if (rndr == NULL) {
splx(s);
return ENODEV;
}
/* set up scp */
prev_ysize = scp->ysize;
/*
* This is a kludge to fend off scrn_update() while we
* muck around with scp. XXX
*/
scp->status |= UNKNOWN_MODE;
scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
scp->mode = mode;
scp->xsize = xsize;
scp->ysize = ysize;
scp->xoff = 0;
scp->yoff = 0;
scp->xpixel = scp->xsize*8;
scp->ypixel = scp->ysize*fontsize;
scp->font = font;
scp->font_size = fontsize;
/* allocate buffers */
sc_alloc_scr_buffer(scp, TRUE, TRUE);
#ifndef SC_NO_CUTPASTE
sc_alloc_cut_buffer(scp, FALSE);
#endif
#ifndef SC_NO_HISTORY
sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
#endif
scp->rndr = rndr;
splx(s);
if (scp == scp->sc->cur_scp)
set_mode(scp);
scp->status &= ~UNKNOWN_MODE;
if (tp == NULL)
return 0;
DPRINTF(5, ("ws_*size (%d,%d), size (%d,%d)\n",
tp->t_winsize.ws_col, tp->t_winsize.ws_row, scp->xsize, scp->ysize));
if (tp->t_winsize.ws_col != scp->xsize
|| tp->t_winsize.ws_row != scp->ysize) {
tp->t_winsize.ws_col = scp->xsize;
tp->t_winsize.ws_row = scp->ysize;
pgsignal(tp->t_pgrp, SIGWINCH, 1);
}
return 0;
}
int
sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode)
{
#ifdef SC_NO_MODE_CHANGE
return ENODEV;
#else
video_info_t info;
sc_rndr_sw_t *rndr;
int prev_ysize;
int error;
int s;
if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, mode, &info))
return ENODEV;
/* stop screen saver, etc */
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
rndr = sc_render_match(scp, scp->sc->adp, GRAPHICS_MODE);
if (rndr == NULL) {
splx(s);
return ENODEV;
}
/* set up scp */
prev_ysize = scp->ysize;
scp->status |= (UNKNOWN_MODE | GRAPHICS_MODE);
scp->status &= ~PIXEL_MODE;
scp->mode = mode;
scp->xsize = info.vi_width/8;
scp->ysize = info.vi_height/info.vi_cheight;
scp->xoff = 0;
scp->yoff = 0;
scp->xpixel = info.vi_width;
scp->ypixel = info.vi_height;
scp->font = NULL;
scp->font_size = FONT_NONE;
#ifndef SC_NO_SYSMOUSE
/* move the mouse cursor at the center of the screen */
sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
#endif
#ifndef SC_NO_HISTORY
sc_free_history_buffer(scp, prev_ysize);
#endif
scp->rndr = rndr;
splx(s);
if (scp == scp->sc->cur_scp)
set_mode(scp);
/* clear_graphics();*/
scp->status &= ~UNKNOWN_MODE;
if (tp == NULL)
return 0;
if (tp->t_winsize.ws_xpixel != scp->xpixel
|| tp->t_winsize.ws_ypixel != scp->ypixel) {
tp->t_winsize.ws_xpixel = scp->xpixel;
tp->t_winsize.ws_ypixel = scp->ypixel;
pgsignal(tp->t_pgrp, SIGWINCH, 1);
}
return 0;
#endif /* SC_NO_MODE_CHANGE */
}
int
sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
int fontsize)
{
#ifndef SC_PIXEL_MODE
return ENODEV;
#else
video_info_t info;
sc_rndr_sw_t *rndr;
u_char *font;
int prev_ysize;
int error;
int s;
if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info))
return ENODEV; /* this shouldn't happen */
#ifdef SC_VIDEO_DEBUG
if (scp->scr_buf != NULL) {
printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
scp->mode, xsize, ysize, fontsize);
}
#endif
/* adjust argument values */
if ((fontsize <= 0) || (fontsize == FONT_NONE))
fontsize = info.vi_cheight;
if (fontsize < 14) {
fontsize = 8;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_8))
return EINVAL;
font = scp->sc->font_8;
#else
font = NULL;
#endif
} else if (fontsize >= 16) {
fontsize = 16;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_16))
return EINVAL;
font = scp->sc->font_16;
#else
font = NULL;
#endif
} else {
fontsize = 14;
#ifndef SC_NO_FONT_LOADING
if (!(scp->sc->fonts_loaded & FONT_14))
return EINVAL;
font = scp->sc->font_14;
#else
font = NULL;
#endif
}
if (xsize <= 0)
xsize = info.vi_width/8;
if (ysize <= 0)
ysize = info.vi_height/fontsize;
#ifdef SC_VIDEO_DEBUG
if (scp->scr_buf != NULL) {
printf("set_pixel_mode(): mode:%x, col:%d, row:%d, font:%d\n",
scp->mode, xsize, ysize, fontsize);
printf("set_pixel_mode(): window:%p, %dx%d, xoff:%d, yoff:%d\n",
(void *)scp->sc->adp->va_window, info.vi_width, info.vi_height,
(info.vi_width/8 - xsize)/2,
(info.vi_height/fontsize - ysize)/2);
}
#endif
if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
return EINVAL;
/* only 16 color, 4 plane modes are supported XXX */
if ((info.vi_depth != 4) || (info.vi_planes != 4))
return ENODEV;
/*
* set_pixel_mode() currently does not support video modes whose
* memory size is larger than 64K. Because such modes require
* bank switching to access the entire screen. XXX
*/
if (info.vi_width*info.vi_height/8 > info.vi_window_size)
return ENODEV;
/* stop screen saver, etc */
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
rndr = sc_render_match(scp, scp->sc->adp, PIXEL_MODE);
if (rndr == NULL) {
splx(s);
return ENODEV;
}
/* set up scp */
prev_ysize = scp->ysize;
scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
scp->status &= ~GRAPHICS_MODE;
scp->xsize = xsize;
scp->ysize = ysize;
scp->xoff = (scp->xpixel/8 - xsize)/2;
scp->yoff = (scp->ypixel/fontsize - ysize)/2;
scp->font = font;
scp->font_size = fontsize;
/* allocate buffers */
sc_alloc_scr_buffer(scp, TRUE, TRUE);
#ifndef SC_NO_CUTPASTE
sc_alloc_cut_buffer(scp, FALSE);
#endif
#ifndef SC_NO_HISTORY
sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
#endif
scp->rndr = rndr;
splx(s);
if (scp == scp->sc->cur_scp) {
set_border(scp, scp->border);
sc_set_cursor_image(scp);
}
scp->status &= ~UNKNOWN_MODE;
#ifdef SC_VIDEO_DEBUG
printf("set_pixel_mode(): status:%x\n", scp->status);
#endif
if (tp == NULL)
return 0;
if (tp->t_winsize.ws_col != scp->xsize
|| tp->t_winsize.ws_row != scp->ysize) {
tp->t_winsize.ws_col = scp->xsize;
tp->t_winsize.ws_row = scp->ysize;
pgsignal(tp->t_pgrp, SIGWINCH, 1);
}
return 0;
#endif /* SC_PIXEL_MODE */
}
sc_rndr_sw_t
*sc_render_match(scr_stat *scp, video_adapter_t *adp, int mode)
{
const sc_renderer_t **list;
const sc_renderer_t *p;
list = (const sc_renderer_t **)scrndr_set.ls_items;
while ((p = *list++) != NULL) {
if ((strcmp(p->name, adp->va_name) == 0)
&& (mode == p->mode)) {
scp->status &= ~(VR_CURSOR_ON | VR_CURSOR_BLINK);
return p->rndrsw;
}
}
return NULL;
}
#define fb_ioctl(a, c, d) \
(((a) == NULL) ? ENODEV : \
(*vidsw[(a)->va_index]->ioctl)((a), (c), (caddr_t)(d)))
int
sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p)
{
scr_stat *scp;
video_adapter_t *adp;
video_info_t info;
video_adapter_info_t adp_info;
int error;
int s;
scp = sc_get_scr_stat(tp->t_dev);
if (scp == NULL) /* tp == SC_MOUSE */
return ENOIOCTL;
adp = scp->sc->adp;
if (adp == NULL) /* shouldn't happen??? */
return ENODEV;
switch (cmd) {
case CONS_CURRENTADP: /* get current adapter index */
case FBIO_ADAPTER:
return fb_ioctl(adp, FBIO_ADAPTER, data);
case CONS_CURRENT: /* get current adapter type */
case FBIO_ADPTYPE:
return fb_ioctl(adp, FBIO_ADPTYPE, data);
case OLD_CONS_ADPINFO: /* adapter information (old interface) */
if (((old_video_adapter_t *)data)->va_index >= 0) {
adp = vid_get_adapter(((old_video_adapter_t *)data)->va_index);
if (adp == NULL)
return ENODEV;
}
((old_video_adapter_t *)data)->va_index = adp->va_index;
((old_video_adapter_t *)data)->va_type = adp->va_type;
((old_video_adapter_t *)data)->va_flags = adp->va_flags;
((old_video_adapter_t *)data)->va_crtc_addr = adp->va_crtc_addr;
((old_video_adapter_t *)data)->va_window = adp->va_window;
((old_video_adapter_t *)data)->va_window_size = adp->va_window_size;
((old_video_adapter_t *)data)->va_window_gran = adp->va_window_gran;
((old_video_adapter_t *)data)->va_buffer = adp->va_buffer;
((old_video_adapter_t *)data)->va_buffer_size = adp->va_buffer_size;
((old_video_adapter_t *)data)->va_mode = adp->va_mode;
((old_video_adapter_t *)data)->va_initial_mode = adp->va_initial_mode;
((old_video_adapter_t *)data)->va_initial_bios_mode
= adp->va_initial_bios_mode;
return 0;
case OLD_CONS_ADPINFO2: /* adapter information (yet another old I/F) */
adp_info.va_index = ((old_video_adapter_info_t *)data)->va_index;
if (adp_info.va_index >= 0) {
adp = vid_get_adapter(adp_info.va_index);
if (adp == NULL)
return ENODEV;
}
error = fb_ioctl(adp, FBIO_ADPINFO, &adp_info);
if (error == 0)
bcopy(&adp_info, data, sizeof(old_video_adapter_info_t));
return error;
case CONS_ADPINFO: /* adapter information */
case FBIO_ADPINFO:
if (((video_adapter_info_t *)data)->va_index >= 0) {
adp = vid_get_adapter(((video_adapter_info_t *)data)->va_index);
if (adp == NULL)
return ENODEV;
}
return fb_ioctl(adp, FBIO_ADPINFO, data);
case CONS_GET: /* get current video mode */
case FBIO_GETMODE:
*(int *)data = scp->mode;
return 0;
#ifndef SC_NO_MODE_CHANGE
case FBIO_SETMODE: /* set video mode */
if (!(adp->va_flags & V_ADP_MODECHANGE))
return ENODEV;
info.vi_mode = *(int *)data;
error = fb_ioctl(adp, FBIO_MODEINFO, &info);
if (error)
return error;
if (info.vi_flags & V_INFO_GRAPHICS)
return sc_set_graphics_mode(scp, tp, *(int *)data);
else
return sc_set_text_mode(scp, tp, *(int *)data, 0, 0, 0);
#endif /* SC_NO_MODE_CHANGE */
case OLD_CONS_MODEINFO: /* get mode information (old infterface) */
info.vi_mode = ((old_video_info_t *)data)->vi_mode;
error = fb_ioctl(adp, FBIO_MODEINFO, &info);
if (error == 0)
bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
return error;
case CONS_MODEINFO: /* get mode information */
case FBIO_MODEINFO:
return fb_ioctl(adp, FBIO_MODEINFO, data);
case OLD_CONS_FINDMODE: /* find a matching video mode (old interface) */
bzero(&info, sizeof(info));
bcopy((old_video_info_t *)data, &info, sizeof(old_video_info_t));
error = fb_ioctl(adp, FBIO_FINDMODE, &info);
if (error == 0)
bcopy(&info, (old_video_info_t *)data, sizeof(old_video_info_t));
return error;
case CONS_FINDMODE: /* find a matching video mode */
case FBIO_FINDMODE:
return fb_ioctl(adp, FBIO_FINDMODE, data);
case CONS_SETWINORG: /* set frame buffer window origin */
case FBIO_SETWINORG:
if (scp != scp->sc->cur_scp)
return ENODEV; /* XXX */
return fb_ioctl(adp, FBIO_SETWINORG, data);
case FBIO_GETWINORG: /* get frame buffer window origin */
if (scp != scp->sc->cur_scp)
return ENODEV; /* XXX */
return fb_ioctl(adp, FBIO_GETWINORG, data);
case FBIO_GETDISPSTART:
case FBIO_SETDISPSTART:
case FBIO_GETLINEWIDTH:
case FBIO_SETLINEWIDTH:
if (scp != scp->sc->cur_scp)
return ENODEV; /* XXX */
return fb_ioctl(adp, cmd, data);
/* XXX */
case FBIO_GETPALETTE:
case FBIO_SETPALETTE:
case FBIOPUTCMAP:
case FBIOGETCMAP:
return ENODEV;
case FBIOGTYPE:
case FBIOGATTR:
case FBIOSVIDEO:
case FBIOGVIDEO:
case FBIOSCURSOR:
case FBIOGCURSOR:
case FBIOSCURPOS:
case FBIOGCURPOS:
case FBIOGCURMAX:
if (scp != scp->sc->cur_scp)
return ENODEV; /* XXX */
return fb_ioctl(adp, cmd, data);
#ifndef SC_NO_MODE_CHANGE
/* generic text modes */
case SW_TEXT_80x25: case SW_TEXT_80x30:
case SW_TEXT_80x43: case SW_TEXT_80x50:
case SW_TEXT_80x60:
/* FALL THROUGH */
/* VGA TEXT MODES */
case SW_VGA_C40x25:
case SW_VGA_C80x25: case SW_VGA_M80x25:
case SW_VGA_C80x30: case SW_VGA_M80x30:
case SW_VGA_C80x50: case SW_VGA_M80x50:
case SW_VGA_C80x60: case SW_VGA_M80x60:
case SW_VGA_C90x25: case SW_VGA_M90x25:
case SW_VGA_C90x30: case SW_VGA_M90x30:
case SW_VGA_C90x43: case SW_VGA_M90x43:
case SW_VGA_C90x50: case SW_VGA_M90x50:
case SW_VGA_C90x60: case SW_VGA_M90x60:
case SW_B40x25: case SW_C40x25:
case SW_B80x25: case SW_C80x25:
case SW_ENH_B40x25: case SW_ENH_C40x25:
case SW_ENH_B80x25: case SW_ENH_C80x25:
case SW_ENH_B80x43: case SW_ENH_C80x43:
case SW_EGAMONO80x25:
#ifdef PC98
/* PC98 TEXT MODES */
case SW_PC98_80x25:
case SW_PC98_80x30:
#endif
if (!(adp->va_flags & V_ADP_MODECHANGE))
return ENODEV;
return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0);
/* GRAPHICS MODES */
case SW_BG320: case SW_BG640:
case SW_CG320: case SW_CG320_D: case SW_CG640_E:
case SW_CG640x350: case SW_ENH_CG640:
case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
case SW_VGA_MODEX:
if (!(adp->va_flags & V_ADP_MODECHANGE))
return ENODEV;
return sc_set_graphics_mode(scp, tp, cmd & 0xff);
#endif /* SC_NO_MODE_CHANGE */
case KDSETMODE: /* set current mode of this (virtual) console */
switch (*(int *)data) {
case KD_TEXT: /* switch to TEXT (known) mode */
/*
* If scp->mode is of graphics modes, we don't know which
* text mode to switch back to...
*/
if (scp->status & GRAPHICS_MODE)
return EINVAL;
/* restore fonts & palette ! */
#if 0
#ifndef SC_NO_FONT_LOADING
if (ISFONTAVAIL(adp->va_flags)
&& !(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
/*
* FONT KLUDGE
* Don't load fonts for now... XXX
*/
if (scp->sc->fonts_loaded & FONT_8)
copy_font(scp, LOAD, 8, scp->sc->font_8);
if (scp->sc->fonts_loaded & FONT_14)
copy_font(scp, LOAD, 14, scp->sc->font_14);
if (scp->sc->fonts_loaded & FONT_16)
copy_font(scp, LOAD, 16, scp->sc->font_16);
}
#endif /* SC_NO_FONT_LOADING */
#endif
#ifndef SC_NO_PALETTE_LOADING
load_palette(adp, scp->sc->palette);
#endif
#ifndef PC98
/* move hardware cursor out of the way */
(*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
#endif
/* FALL THROUGH */
case KD_TEXT1: /* switch to TEXT (known) mode */
/*
* If scp->mode is of graphics modes, we don't know which
* text/pixel mode to switch back to...
*/
if (scp->status & GRAPHICS_MODE)
return EINVAL;
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
#ifndef PC98
scp->status |= UNKNOWN_MODE;
splx(s);
/* no restore fonts & palette */
if (scp == scp->sc->cur_scp)
set_mode(scp);
sc_clear_screen(scp);
scp->status &= ~UNKNOWN_MODE;
#else /* PC98 */
scp->status &= ~UNKNOWN_MODE;
/* no restore fonts & palette */
if (scp == scp->sc->cur_scp)
set_mode(scp);
sc_clear_screen(scp);
splx(s);
#endif /* PC98 */
return 0;
#ifdef SC_PIXEL_MODE
case KD_PIXEL: /* pixel (raster) display */
if (!(scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
return EINVAL;
if (scp->status & GRAPHICS_MODE)
return sc_set_pixel_mode(scp, tp, scp->xsize, scp->ysize,
scp->font_size);
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
scp->status |= (UNKNOWN_MODE | PIXEL_MODE);
splx(s);
if (scp == scp->sc->cur_scp) {
set_mode(scp);
#ifndef SC_NO_PALETTE_LOADING
load_palette(adp, scp->sc->palette);
#endif
}
sc_clear_screen(scp);
scp->status &= ~UNKNOWN_MODE;
return 0;
#endif /* SC_PIXEL_MODE */
case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
scp->status |= UNKNOWN_MODE;
splx(s);
#ifdef PC98
if (scp == scp->sc->cur_scp)
set_mode(scp);
#endif
return 0;
default:
return EINVAL;
}
/* NOT REACHED */
#ifdef SC_PIXEL_MODE
case KDRASTER: /* set pixel (raster) display mode */
if (ISUNKNOWNSC(scp) || ISTEXTSC(scp))
return ENODEV;
return sc_set_pixel_mode(scp, tp, ((int *)data)[0], ((int *)data)[1],
((int *)data)[2]);
#endif /* SC_PIXEL_MODE */
case KDGETMODE: /* get current mode of this (virtual) console */
/*
* From the user program's point of view, KD_PIXEL is the same
* as KD_TEXT...
*/
*data = ISGRAPHSC(scp) ? KD_GRAPHICS : KD_TEXT;
return 0;
case KDSBORDER: /* set border color of this (virtual) console */
scp->border = *data;
if (scp == scp->sc->cur_scp)
set_border(scp, scp->border);
return 0;
}
return ENOIOCTL;
}
#endif /* NSC > 0 */
Reference in New Issue View Git Blame Copy Permalink