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[Linuxconsole-commit] SF.net SVN: linuxconsole: [2363] branches/ruby-2.6.21/ruby-2.6/drivers/ video/console/vgacon.c
|
From: <jsi...@us...> - 2007-04-10 13:39:59
|
Revision: 2363
http://linuxconsole.svn.sourceforge.net/linuxconsole/?rev=2363&view=rev
Author: jsimmons
Date: 2007-04-10 06:36:51 -0700 (Tue, 10 Apr 2007)
Log Message:
-----------
merge vgacon to 2.6.21
Modified Paths:
--------------
branches/ruby-2.6.21/ruby-2.6/drivers/video/console/vgacon.c
Modified: branches/ruby-2.6.21/ruby-2.6/drivers/video/console/vgacon.c
===================================================================
--- branches/ruby-2.6.21/ruby-2.6/drivers/video/console/vgacon.c 2007-04-10 02:01:16 UTC (rev 2362)
+++ branches/ruby-2.6.21/ruby-2.6/drivers/video/console/vgacon.c 2007-04-10 13:36:51 UTC (rev 2363)
@@ -33,13 +33,10 @@
* more details.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/kernel.h>
-#include <linux/tty.h>
#include <linux/console.h>
#include <linux/string.h>
#include <linux/slab.h>
@@ -48,6 +45,8 @@
#include <linux/spinlock.h>
#include <linux/ioport.h>
#include <linux/init.h>
+#include <linux/screen_info.h>
+#include <linux/smp_lock.h>
#ifdef CONFIG_IA64
#include <linux/efi.h>
#endif
@@ -96,22 +95,22 @@
static void vgacon_invert_region(struct vc_data *c, u16 * p, int count);
static unsigned long vgacon_uni_pagedir[2];
-
/* Description of the hardware situation */
-static unsigned long vga_vram_base; /* Base of video memory */
-static unsigned long vga_vram_end; /* End of video memory */
-static int vga_vram_size; /* Size of video memory */
-static u16 vga_video_port_reg; /* Video register select port */
-static u16 vga_video_port_val; /* Video register value port */
-static unsigned char vga_video_type; /* Card type */
-static unsigned char vga_hardscroll_enabled;
-static unsigned char vga_hardscroll_user_enable = 1;
+static int vga_init_done __read_mostly;
+static unsigned long vga_vram_base __read_mostly; /* Base of video memory */
+static unsigned long vga_vram_end __read_mostly; /* End of video memory */
+static unsigned int vga_vram_size __read_mostly; /* Size of video memory */
+static u16 vga_video_port_reg __read_mostly; /* Video register select port */
+static u16 vga_video_port_val __read_mostly; /* Video register value port */
+static unsigned char vga_video_type __read_mostly; /* Card type */
+static unsigned char vga_hardscroll_enabled __read_mostly;
+static unsigned char vga_hardscroll_user_enable __read_mostly = 1;
static unsigned char vga_font_is_default = 1;
static int vga_vesa_blanked;
static int vga_palette_blanked;
static int vga_is_gfx;
static int vga_512_chars;
-static unsigned int vga_rolled_over = 0;
+static unsigned int vga_rolled_over;
static int __init no_scroll(char *str)
{
@@ -158,8 +157,203 @@
spin_unlock_irqrestore(&vga_lock, flags);
}
-static const char __init *vgacon_startup(struct vt_struct *vt, int init)
+static inline void vga_set_mem_top(struct vc_data *c)
{
+ write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
+}
+
+#ifdef CONFIG_VGACON_SOFT_SCROLLBACK
+#include <linux/bootmem.h>
+/* software scrollback */
+static void *vgacon_scrollback;
+static int vgacon_scrollback_tail;
+static int vgacon_scrollback_size;
+static int vgacon_scrollback_rows;
+static int vgacon_scrollback_cnt;
+static int vgacon_scrollback_cur;
+static int vgacon_scrollback_save;
+static int vgacon_scrollback_restore;
+
+static void vgacon_scrollback_init(int pitch)
+{
+ int rows = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024/pitch;
+
+ if (vgacon_scrollback) {
+ vgacon_scrollback_cnt = 0;
+ vgacon_scrollback_tail = 0;
+ vgacon_scrollback_cur = 0;
+ vgacon_scrollback_rows = rows - 1;
+ vgacon_scrollback_size = rows * pitch;
+ }
+}
+
+static void vgacon_scrollback_startup(void)
+{
+ vgacon_scrollback = alloc_bootmem(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE
+ * 1024);
+ vgacon_scrollback_init(vga_video_num_columns * 2);
+}
+
+static void vgacon_scrollback_update(struct vc_data *c, int t, int count)
+{
+ void *p;
+
+ if (!vgacon_scrollback_size || c->vc_num != fg_console)
+ return;
+
+ p = (void *) (c->vc_origin + t * c->vc_size_row);
+
+ while (count--) {
+ scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail,
+ p, c->vc_size_row);
+ vgacon_scrollback_cnt++;
+ p += c->vc_size_row;
+ vgacon_scrollback_tail += c->vc_size_row;
+
+ if (vgacon_scrollback_tail >= vgacon_scrollback_size)
+ vgacon_scrollback_tail = 0;
+
+ if (vgacon_scrollback_cnt > vgacon_scrollback_rows)
+ vgacon_scrollback_cnt = vgacon_scrollback_rows;
+
+ vgacon_scrollback_cur = vgacon_scrollback_cnt;
+ }
+}
+
+static void vgacon_restore_screen(struct vc_data *c)
+{
+ vgacon_scrollback_save = 0;
+
+ if (!vga_is_gfx && !vgacon_scrollback_restore) {
+ scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf,
+ c->vc_screenbuf_size > vga_vram_size ?
+ vga_vram_size : c->vc_screenbuf_size);
+ vgacon_scrollback_restore = 1;
+ vgacon_scrollback_cur = vgacon_scrollback_cnt;
+ }
+}
+
+static int vgacon_scroll(struct vc_data *c, int lines)
+{
+ int start, end, count, soff, diff;
+ void *d, *s;
+
+ if (!lines) {
+ c->vc_visible_origin = c->vc_origin;
+ vga_set_mem_top(c);
+ return 1;
+ }
+
+ if (!vgacon_scrollback)
+ return 1;
+
+ if (!vgacon_scrollback_save) {
+ vgacon_cursor(c, CM_ERASE);
+ vgacon_save_screen(c);
+ vgacon_scrollback_save = 1;
+ }
+
+ vgacon_scrollback_restore = 0;
+ start = vgacon_scrollback_cur + lines;
+ end = start + abs(lines);
+
+ if (start < 0)
+ start = 0;
+
+ if (start > vgacon_scrollback_cnt)
+ start = vgacon_scrollback_cnt;
+
+ if (end < 0)
+ end = 0;
+
+ if (end > vgacon_scrollback_cnt)
+ end = vgacon_scrollback_cnt;
+
+ vgacon_scrollback_cur = start;
+ count = end - start;
+ soff = vgacon_scrollback_tail - ((vgacon_scrollback_cnt - end) *
+ c->vc_size_row);
+ soff -= count * c->vc_size_row;
+
+ if (soff < 0)
+ soff += vgacon_scrollback_size;
+
+ count = vgacon_scrollback_cnt - start;
+
+ if (count > c->vc_rows)
+ count = c->vc_rows;
+
+ diff = c->vc_rows - count;
+
+ d = (void *) c->vc_origin;
+ s = (void *) c->vc_screenbuf;
+
+ while (count--) {
+ scr_memcpyw(d, vgacon_scrollback + soff, c->vc_size_row);
+ d += c->vc_size_row;
+ soff += c->vc_size_row;
+
+ if (soff >= vgacon_scrollback_size)
+ soff = 0;
+ }
+
+ if (diff == c->vc_rows) {
+ vgacon_cursor(c, CM_MOVE);
+ } else {
+ while (diff--) {
+ scr_memcpyw(d, s, c->vc_size_row);
+ d += c->vc_size_row;
+ s += c->vc_size_row;
+ }
+ }
+
+ return 1;
+}
+#else
+#define vgacon_scrollback_startup(...) do { } while (0)
+#define vgacon_scrollback_init(...) do { } while (0)
+#define vgacon_scrollback_update(...) do { } while (0)
+
+static void vgacon_restore_screen(struct vc_data *c)
+{
+ if (c->vc_origin != c->vc_visible_origin)
+ vgacon_scroll(c, 0);
+}
+
+static int vgacon_scroll(struct vc_data *c, int lines)
+{
+ if (!lines) /* Turn scrollback off */
+ c->vc_visible_origin = c->vc_origin;
+ else {
+ int margin = c->vc_size_row * 4;
+ int ul, we, p, st;
+
+ if (vga_rolled_over >
+ (c->vc_scr_end - vga_vram_base) + margin) {
+ ul = c->vc_scr_end - vga_vram_base;
+ we = vga_rolled_over + c->vc_size_row;
+ } else {
+ ul = 0;
+ we = vga_vram_size;
+ }
+ p = (c->vc_visible_origin - vga_vram_base - ul + we) % we +
+ lines * c->vc_size_row;
+ st = (c->vc_origin - vga_vram_base - ul + we) % we;
+ if (st < 2 * margin)
+ margin = 0;
+ if (p < margin)
+ p = 0;
+ if (p > st - margin)
+ p = st;
+ c->vc_visible_origin = vga_vram_base + (p + ul) % we;
+ }
+ vga_set_mem_top(c);
+ return 1;
+}
+#endif /* CONFIG_VGACON_SOFT_SCROLLBACK */
+
+static const char *vgacon_startup(struct vt_struct *vt, int init)
+{
struct vc_data *vc = &vga_default;
const char *display_desc = NULL;
u16 saved1, saved2;
@@ -194,19 +388,19 @@
vga_video_port_val = VGA_CRT_DM;
if ((ORIG_VIDEO_EGA_BX & 0xff) != 0x10) {
static struct resource ega_console_resource =
- { "ega", 0x3B0, 0x3BF };
+ { .name = "ega", .start = 0x3B0, .end = 0x3BF };
vga_video_type = VIDEO_TYPE_EGAM;
- vga_vram_end = 0xb8000;
+ vga_vram_size = 0x8000;
display_desc = "EGA+";
request_resource(&ioport_resource,
&ega_console_resource);
} else {
static struct resource mda1_console_resource =
- { "mda", 0x3B0, 0x3BB };
+ { .name = "mda", .start = 0x3B0, .end = 0x3BB };
static struct resource mda2_console_resource =
- { "mda", 0x3BF, 0x3BF };
+ { .name = "mda", .start = 0x3BF, .end = 0x3BF };
vga_video_type = VIDEO_TYPE_MDA;
- vga_vram_end = 0xb2000;
+ vga_vram_size = 0x2000;
display_desc = "*MDA";
request_resource(&ioport_resource,
&mda1_console_resource);
@@ -223,18 +417,18 @@
if ((ORIG_VIDEO_EGA_BX & 0xff) != 0x10) {
int i;
- vga_vram_end = 0xc0000;
+ vga_vram_size = 0x8000;
if (!ORIG_VIDEO_ISVGA) {
static struct resource ega_console_resource
- = { "ega", 0x3C0, 0x3DF };
+ = { .name = "ega", .start = 0x3C0, .end = 0x3DF };
vga_video_type = VIDEO_TYPE_EGAC;
display_desc = "EGA";
request_resource(&ioport_resource,
&ega_console_resource);
} else {
static struct resource vga_console_resource
- = { "vga+", 0x3C0, 0x3DF };
+ = { .name = "vga+", .start = 0x3C0, .end = 0x3DF };
vga_video_type = VIDEO_TYPE_VGAC;
display_desc = "VGA+";
request_resource(&ioport_resource,
@@ -248,7 +442,7 @@
* and COE=1 isn't necessarily a good idea)
*/
vga_vram_base = 0xa0000;
- vga_vram_end = 0xb0000;
+ vga_vram_size = 0x10000;
outb_p(6, VGA_GFX_I);
outb_p(6, VGA_GFX_D);
#endif
@@ -278,9 +472,9 @@
}
} else {
static struct resource cga_console_resource =
- { "cga", 0x3D4, 0x3D5 };
+ { .name = "cga", .start = 0x3D4, .end = 0x3D5 };
vga_video_type = VIDEO_TYPE_CGA;
- vga_vram_end = 0xba000;
+ vga_vram_size = 0x2000;
display_desc = "*CGA";
request_resource(&ioport_resource,
&cga_console_resource);
@@ -288,9 +482,8 @@
}
}
- vga_vram_base = VGA_MAP_MEM(vga_vram_base);
- vga_vram_end = VGA_MAP_MEM(vga_vram_end);
- vga_vram_size = vga_vram_end - vga_vram_base;
+ vga_vram_base = VGA_MAP_MEM(vga_vram_base, vga_vram_size);
+ vga_vram_end = vga_vram_base + vga_vram_size;
/*
* Find out if there is a graphics card present.
@@ -324,6 +517,12 @@
/* This may be suboptimal but is a safe bet - go with it */
vc->vc_scan_lines = vc->vc_font.height * vc->vc_rows;
}
+
+ if (!vga_init_done) {
+ vgacon_scrollback_startup();
+ vga_init_done = 1;
+ }
+
return display_desc;
}
@@ -332,13 +531,22 @@
struct vc_data *default_mode = c->display_fg->default_mode;
unsigned long p;
- /* We cannot be loaded as a module, therefore init is always 1 */
+ /*
+ * We cannot be loaded as a module, therefore init is always 1,
+ * but vgacon_init can be called more than once, and init will
+ * not be 1.
+ */
c->vc_can_do_color = default_mode->vc_can_do_color;
+
+ /* set dimensions manually if init != 0 since vc_resize() will fail */
c->vc_cols = default_mode->vc_cols;
c->vc_rows = default_mode->vc_rows;
+
c->vc_scan_lines = default_mode->vc_scan_lines;
c->vc_font.height = default_mode->vc_font.height;
c->vc_complement_mask = 0x7700;
+ if (vga_512_chars)
+ c->vc_hi_font_mask = 0x0800;
p = *c->vc_uni_pagedir_loc;
if (c->vc_uni_pagedir_loc == &c->vc_uni_pagedir ||
!--c->vc_uni_pagedir_loc[1])
@@ -349,11 +557,6 @@
con_set_default_unimap(c);
}
-static inline void vga_set_mem_top(struct vc_data *c)
-{
- write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
-}
-
static void vgacon_deinit(struct vc_data *c)
{
/* When closing the last console, reset video origin */
@@ -425,28 +628,37 @@
cursor_size_lastto = to;
spin_lock_irqsave(&vga_lock, flags);
- outb_p(0x0a, vga_video_port_reg); /* Cursor start */
- curs = inb_p(vga_video_port_val);
- outb_p(0x0b, vga_video_port_reg); /* Cursor end */
- cure = inb_p(vga_video_port_val);
+ if (vga_video_type >= VIDEO_TYPE_VGAC) {
+ outb_p(VGA_CRTC_CURSOR_START, vga_video_port_reg);
+ curs = inb_p(vga_video_port_val);
+ outb_p(VGA_CRTC_CURSOR_END, vga_video_port_reg);
+ cure = inb_p(vga_video_port_val);
+ } else {
+ curs = 0;
+ cure = 0;
+ }
curs = (curs & 0xc0) | from;
cure = (cure & 0xe0) | to;
- outb_p(0x0a, vga_video_port_reg); /* Cursor start */
+ outb_p(VGA_CRTC_CURSOR_START, vga_video_port_reg);
outb_p(curs, vga_video_port_val);
- outb_p(0x0b, vga_video_port_reg); /* Cursor end */
+ outb_p(VGA_CRTC_CURSOR_END, vga_video_port_reg);
outb_p(cure, vga_video_port_val);
spin_unlock_irqrestore(&vga_lock, flags);
}
static void vgacon_cursor(struct vc_data *c, int mode)
{
- if (c->vc_origin != c->vc_visible_origin)
- vgacon_scroll(c, 0);
+ vgacon_restore_screen(c);
+
switch (mode) {
case CM_ERASE:
- write_vga(14, (vga_vram_end - vga_vram_base - 1) / 2);
+ write_vga(14, (c->vc_pos - vga_vram_base) / 2);
+ if (vga_video_type >= VIDEO_TYPE_VGAC)
+ vgacon_set_cursor_size(c->vc_x, 31, 30);
+ else
+ vgacon_set_cursor_size(c->vc_x, 31, 31);
break;
case CM_MOVE:
@@ -484,7 +696,10 @@
10 ? 1 : 2));
break;
case CUR_NONE:
- vgacon_set_cursor_size(c->vc_x, 31, 30);
+ if (vga_video_type >= VIDEO_TYPE_VGAC)
+ vgacon_set_cursor_size(c->vc_x, 31, 30);
+ else
+ vgacon_set_cursor_size(c->vc_x, 31, 31);
break;
default:
vgacon_set_cursor_size(c->vc_x, 1,
@@ -495,14 +710,88 @@
}
}
+static int vgacon_doresize(struct vc_data *c,
+ unsigned int width, unsigned int height)
+{
+ unsigned long flags;
+ unsigned int scanlines = height * c->vc_font.height;
+ u8 scanlines_lo = 0, r7 = 0, vsync_end = 0, mode, max_scan;
+
+ spin_lock_irqsave(&vga_lock, flags);
+
+ vgacon_xres = width * VGA_FONTWIDTH;
+ vgacon_yres = height * c->vc_font.height;
+ if (vga_video_type >= VIDEO_TYPE_VGAC) {
+ outb_p(VGA_CRTC_MAX_SCAN, vga_video_port_reg);
+ max_scan = inb_p(vga_video_port_val);
+
+ if (max_scan & 0x80)
+ scanlines <<= 1;
+
+ outb_p(VGA_CRTC_MODE, vga_video_port_reg);
+ mode = inb_p(vga_video_port_val);
+
+ if (mode & 0x04)
+ scanlines >>= 1;
+
+ scanlines -= 1;
+ scanlines_lo = scanlines & 0xff;
+
+ outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg);
+ r7 = inb_p(vga_video_port_val) & ~0x42;
+
+ if (scanlines & 0x100)
+ r7 |= 0x02;
+ if (scanlines & 0x200)
+ r7 |= 0x40;
+
+ /* deprotect registers */
+ outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg);
+ vsync_end = inb_p(vga_video_port_val);
+ outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg);
+ outb_p(vsync_end & ~0x80, vga_video_port_val);
+ }
+
+ outb_p(VGA_CRTC_H_DISP, vga_video_port_reg);
+ outb_p(width - 1, vga_video_port_val);
+ outb_p(VGA_CRTC_OFFSET, vga_video_port_reg);
+ outb_p(width >> 1, vga_video_port_val);
+
+ if (vga_video_type >= VIDEO_TYPE_VGAC) {
+ outb_p(VGA_CRTC_V_DISP_END, vga_video_port_reg);
+ outb_p(scanlines_lo, vga_video_port_val);
+ outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg);
+ outb_p(r7,vga_video_port_val);
+
+ /* reprotect registers */
+ outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg);
+ outb_p(vsync_end, vga_video_port_val);
+ }
+
+ spin_unlock_irqrestore(&vga_lock, flags);
+ return 0;
+}
+
static int vgacon_switch(struct vc_data *c)
{
/* We can only copy out the size of the video buffer here,
- * otherwise we get into VGA BIOS */
+ * otherwise we get into VGA BIOS. We can only copy out
+ * the size of the video buffer here, otherwise we get
+ * into VGA BIOS */
- if (!vga_is_gfx)
+ if (!vga_is_gfx) {
scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf,
- c->vc_screenbuf_size > vga_vram_size ? vga_vram_size : c->vc_screenbuf_size);
+ c->vc_screenbuf_size > vga_vram_size ?
+ vga_vram_size : c->vc_screenbuf_size);
+
+ if ((vgacon_xres != x || vgacon_yres != y) &&
+ (!(vga_video_num_columns % 2) &&
+ vga_video_num_columns <= ORIG_VIDEO_COLS &&
+ vga_video_num_lines <= rows))
+ vgacon_doresize(c, c->vc_cols, c->vc_rows);
+ }
+
+ vgacon_scrollback_init(c->vc_size_row);
return 0; /* Redrawing not needed */
}
@@ -510,6 +799,7 @@
{
int i, j;
+ vga_w(state.vgabase, VGA_PEL_MSK, 0xff);
for (i = j = 0; i < 16; i++) {
vga_w(state.vgabase, VGA_PEL_IW, table[i]);
vga_w(state.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2);
@@ -651,6 +941,7 @@
{
int i;
+ vga_w(state->vgabase, VGA_PEL_MSK, 0xff);
for (i = 0; i < 16; i++) {
vga_w(state->vgabase, VGA_PEL_IW, i);
vga_w(state->vgabase, VGA_PEL_D, 0);
@@ -724,14 +1015,14 @@
char *charmap;
if (vga_video_type != VIDEO_TYPE_EGAM) {
- charmap = (char *) VGA_MAP_MEM(colourmap);
+ charmap = (char *) VGA_MAP_MEM(colourmap, 0);
beg = 0x0e;
#ifdef VGA_CAN_DO_64KB
if (vga_video_type == VIDEO_TYPE_VGAC)
beg = 0x06;
#endif
} else {
- charmap = (char *) VGA_MAP_MEM(blackwmap);
+ charmap = (char *) VGA_MAP_MEM(blackwmap, 0);
beg = 0x0a;
}
@@ -951,35 +1242,18 @@
#endif
-static int vgacon_scroll(struct vc_data *c, int lines)
+static int vgacon_resize(struct vc_data *c, unsigned int width,
+ unsigned int height)
{
- if (!lines) /* Turn scrollback off */
- c->vc_visible_origin = c->vc_origin;
- else {
- int margin = c->vc_size_row * 4;
- int ul, we, p, st;
+ if (width % 2 || width > ORIG_VIDEO_COLS ||
+ height > (ORIG_VIDEO_LINES * vga_default_font_height)/
+ c->vc_font.height)
+ /* let svgatextmode tinker with video timings */
+ return 0;
- if (vga_rolled_over >
- (c->vc_scr_end - vga_vram_base) + margin) {
- ul = c->vc_scr_end - vga_vram_base;
- we = vga_rolled_over + c->vc_size_row;
- } else {
- ul = 0;
- we = vga_vram_size;
- }
- p = (c->vc_visible_origin - vga_vram_base - ul + we) % we +
- lines * c->vc_size_row;
- st = (c->vc_origin - vga_vram_base - ul + we) % we;
- if (st < 2 * margin)
- margin = 0;
- if (p < margin)
- p = 0;
- if (p > st - margin)
- p = st;
- c->vc_visible_origin = vga_vram_base + (p + ul) % we;
- }
- vga_set_mem_top(c);
- return 1;
+ if (IS_VISIBLE && !vga_is_gfx) /* who knows */
+ vgacon_doresize(c, width, height);
+ return 0;
}
static int vgacon_set_origin(struct vc_data *c)
@@ -997,6 +1271,7 @@
{
/* We can't copy in more then the size of the video buffer,
* or we'll be copying in VGA BIOS */
+
if (!vga_is_gfx)
scr_memcpyw((u16 *) c->vc_screenbuf, (u16 *) c->vc_origin,
c->vc_screenbuf_size > vga_vram_size ? vga_vram_size : c->vc_screenbuf_size);
@@ -1011,15 +1286,14 @@
if (t || b != c->vc_rows || vga_is_gfx)
return 0;
- if (c->vc_origin != c->vc_visible_origin)
- vgacon_scroll(c, 0);
-
if (!vga_hardscroll_enabled || lines >= c->vc_rows / 2)
return 0;
+ vgacon_restore_screen(c);
oldo = c->vc_origin;
delta = lines * c->vc_size_row;
if (dir == SM_UP) {
+ vgacon_scrollback_update(c, t, lines);
if (c->vc_scr_end + delta >= vga_vram_end) {
scr_memcpyw((u16 *) vga_vram_base,
(u16 *) (oldo + delta),
@@ -1079,6 +1353,7 @@
.con_blank = vgacon_blank,
.con_font_set = vgacon_font_set,
.con_font_get = vgacon_font_get,
+ .con_resize = vgacon_resize,
.con_set_palette = vgacon_set_palette,
.con_scroll = vgacon_scroll,
.con_set_origin = vgacon_set_origin,
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