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Commit 716a6639 authored by Roman Zippel's avatar Roman Zippel Committed by Linus Torvalds
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[PATCH] cleanup vc array access 

This removes as far as possible unneccessary vc_cons lookups by using a
pointer to the vc_data structure instead of the index.  The hidden currcons
argument in console_macros.h is temporarily replaced with a hidden vc pointer.
Signed-off-by: default avatarRoman Zippel <zippel@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c035fc12
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Showing with 647 additions and 673 deletions
drivers/char/console_macros.h
View file @ 716a6639
#define cons_num (vc_cons[currcons].d->vc_num)
#define video_scan_lines (vc_cons[currcons].d->vc_scan_lines)
#define sw (vc_cons[currcons].d->vc_sw)
#define screenbuf (vc_cons[currcons].d->vc_screenbuf)
#define screenbuf_size (vc_cons[currcons].d->vc_screenbuf_size)
#define origin (vc_cons[currcons].d->vc_origin)
#define scr_top (vc_cons[currcons].d->vc_scr_top)
#define visible_origin (vc_cons[currcons].d->vc_visible_origin)
#define scr_end (vc_cons[currcons].d->vc_scr_end)
#define pos (vc_cons[currcons].d->vc_pos)
#define top (vc_cons[currcons].d->vc_top)
#define bottom (vc_cons[currcons].d->vc_bottom)
#define x (vc_cons[currcons].d->vc_x)
#define y (vc_cons[currcons].d->vc_y)
#define vc_state (vc_cons[currcons].d->vc_state)
#define npar (vc_cons[currcons].d->vc_npar)
#define par (vc_cons[currcons].d->vc_par)
#define ques (vc_cons[currcons].d->vc_ques)
#define attr (vc_cons[currcons].d->vc_attr)
#define saved_x (vc_cons[currcons].d->vc_saved_x)
#define saved_y (vc_cons[currcons].d->vc_saved_y)
#define translate (vc_cons[currcons].d->vc_translate)
#define G0_charset (vc_cons[currcons].d->vc_G0_charset)
#define G1_charset (vc_cons[currcons].d->vc_G1_charset)
#define saved_G0 (vc_cons[currcons].d->vc_saved_G0)
#define saved_G1 (vc_cons[currcons].d->vc_saved_G1)
#define utf (vc_cons[currcons].d->vc_utf)
#define utf_count (vc_cons[currcons].d->vc_utf_count)
#define utf_char (vc_cons[currcons].d->vc_utf_char)
#define video_erase_char (vc_cons[currcons].d->vc_video_erase_char)
#define disp_ctrl (vc_cons[currcons].d->vc_disp_ctrl)
#define toggle_meta (vc_cons[currcons].d->vc_toggle_meta)
#define decscnm (vc_cons[currcons].d->vc_decscnm)
#define decom (vc_cons[currcons].d->vc_decom)
#define decawm (vc_cons[currcons].d->vc_decawm)
#define deccm (vc_cons[currcons].d->vc_deccm)
#define decim (vc_cons[currcons].d->vc_decim)
#define deccolm (vc_cons[currcons].d->vc_deccolm)
#define need_wrap (vc_cons[currcons].d->vc_need_wrap)
#define kmalloced (vc_cons[currcons].d->vc_kmalloced)
#define report_mouse (vc_cons[currcons].d->vc_report_mouse)
#define color (vc_cons[currcons].d->vc_color)
#define s_color (vc_cons[currcons].d->vc_s_color)
#define def_color (vc_cons[currcons].d->vc_def_color)
#define cons_num (vc->vc_num)
#define video_scan_lines (vc->vc_scan_lines)
#define sw (vc->vc_sw)
#define screenbuf (vc->vc_screenbuf)
#define screenbuf_size (vc->vc_screenbuf_size)
#define origin (vc->vc_origin)
#define scr_top (vc->vc_scr_top)
#define visible_origin (vc->vc_visible_origin)
#define scr_end (vc->vc_scr_end)
#define pos (vc->vc_pos)
#define top (vc->vc_top)
#define bottom (vc->vc_bottom)
#define x (vc->vc_x)
#define y (vc->vc_y)
#define vc_state (vc->vc_state)
#define npar (vc->vc_npar)
#define par (vc->vc_par)
#define ques (vc->vc_ques)
#define attr (vc->vc_attr)
#define saved_x (vc->vc_saved_x)
#define saved_y (vc->vc_saved_y)
#define translate (vc->vc_translate)
#define G0_charset (vc->vc_G0_charset)
#define G1_charset (vc->vc_G1_charset)
#define saved_G0 (vc->vc_saved_G0)
#define saved_G1 (vc->vc_saved_G1)
#define utf (vc->vc_utf)
#define utf_count (vc->vc_utf_count)
#define utf_char (vc->vc_utf_char)
#define video_erase_char (vc->vc_video_erase_char)
#define disp_ctrl (vc->vc_disp_ctrl)
#define toggle_meta (vc->vc_toggle_meta)
#define decscnm (vc->vc_decscnm)
#define decom (vc->vc_decom)
#define decawm (vc->vc_decawm)
#define deccm (vc->vc_deccm)
#define decim (vc->vc_decim)
#define deccolm (vc->vc_deccolm)
#define need_wrap (vc->vc_need_wrap)
#define kmalloced (vc->vc_kmalloced)
#define report_mouse (vc->vc_report_mouse)
#define color (vc->vc_color)
#define s_color (vc->vc_s_color)
#define def_color (vc->vc_def_color)
#define foreground (color & 0x0f)
#define background (color & 0xf0)
#define charset (vc_cons[currcons].d->vc_charset)
#define s_charset (vc_cons[currcons].d->vc_s_charset)
#define intensity (vc_cons[currcons].d->vc_intensity)
#define underline (vc_cons[currcons].d->vc_underline)
#define blink (vc_cons[currcons].d->vc_blink)
#define reverse (vc_cons[currcons].d->vc_reverse)
#define s_intensity (vc_cons[currcons].d->vc_s_intensity)
#define s_underline (vc_cons[currcons].d->vc_s_underline)
#define s_blink (vc_cons[currcons].d->vc_s_blink)
#define s_reverse (vc_cons[currcons].d->vc_s_reverse)
#define ulcolor (vc_cons[currcons].d->vc_ulcolor)
#define halfcolor (vc_cons[currcons].d->vc_halfcolor)
#define tab_stop (vc_cons[currcons].d->vc_tab_stop)
#define palette (vc_cons[currcons].d->vc_palette)
#define bell_pitch (vc_cons[currcons].d->vc_bell_pitch)
#define bell_duration (vc_cons[currcons].d->vc_bell_duration)
#define cursor_type (vc_cons[currcons].d->vc_cursor_type)
#define display_fg (vc_cons[currcons].d->vc_display_fg)
#define complement_mask (vc_cons[currcons].d->vc_complement_mask)
#define s_complement_mask (vc_cons[currcons].d->vc_s_complement_mask)
#define hi_font_mask (vc_cons[currcons].d->vc_hi_font_mask)
#define charset (vc->vc_charset)
#define s_charset (vc->vc_s_charset)
#define intensity (vc->vc_intensity)
#define underline (vc->vc_underline)
#define blink (vc->vc_blink)
#define reverse (vc->vc_reverse)
#define s_intensity (vc->vc_s_intensity)
#define s_underline (vc->vc_s_underline)
#define s_blink (vc->vc_s_blink)
#define s_reverse (vc->vc_s_reverse)
#define ulcolor (vc->vc_ulcolor)
#define halfcolor (vc->vc_halfcolor)
#define tab_stop (vc->vc_tab_stop)
#define palette (vc->vc_palette)
#define bell_pitch (vc->vc_bell_pitch)
#define bell_duration (vc->vc_bell_duration)
#define cursor_type (vc->vc_cursor_type)
#define display_fg (vc->vc_display_fg)
#define complement_mask (vc->vc_complement_mask)
#define s_complement_mask (vc->vc_s_complement_mask)
#define hi_font_mask (vc->vc_hi_font_mask)
#define vcmode (vt_cons[currcons]->vc_mode)
#define vcmode (vt_cons[vc->vc_num]->vc_mode)
#define structsize (sizeof(struct vc_data) + sizeof(struct vt_struct))
drivers/char/consolemap.c
View file @ 716a6639
......@@ -208,9 +208,9 @@ static void set_inverse_transl(struct vc_data *conp, struct uni_pagedir *p, int
}
}
unsigned short *set_translate(int m,int currcons)
unsigned short *set_translate(int m, struct vc_data *vc)
{
inv_translate[currcons] = m;
inv_translate[vc->vc_num] = m;
return translations[m];
}
......@@ -362,15 +362,16 @@ static void con_release_unimap(struct uni_pagedir *p)
}
}
void con_free_unimap(int con)
void con_free_unimap(struct vc_data *vc)
{
struct uni_pagedir *p;
struct vc_data *conp = vc_cons[con].d;
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
if (!p) return;
*conp->vc_uni_pagedir_loc = 0;
if (--p->refcount) return;
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
if (!p)
return;
*vc->vc_uni_pagedir_loc = 0;
if (--p->refcount)
return;
con_release_unimap(p);
kfree(p);
}
......@@ -442,12 +443,11 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
}
/* ui is a leftover from using a hashtable, but might be used again */
int con_clear_unimap(int con, struct unimapinit *ui)
int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui)
{
struct uni_pagedir *p, *q;
struct vc_data *conp = vc_cons[con].d;
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
if (p && p->readonly) return -EIO;
if (!p || --p->refcount) {
q = (struct uni_pagedir *)kmalloc(sizeof(*p), GFP_KERNEL);
......@@ -457,7 +457,7 @@ int con_clear_unimap(int con, struct unimapinit *ui)
}
memset(q, 0, sizeof(*q));
q->refcount=1;
*conp->vc_uni_pagedir_loc = (unsigned long)q;
*vc->vc_uni_pagedir_loc = (unsigned long)q;
} else {
if (p == dflt) dflt = NULL;
p->refcount++;
......@@ -467,14 +467,12 @@ int con_clear_unimap(int con, struct unimapinit *ui)
return 0;
}
int
con_set_unimap(int con, ushort ct, struct unipair __user *list)
int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
{
int err = 0, err1, i;
struct uni_pagedir *p, *q;
struct vc_data *conp = vc_cons[con].d;
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
if (p->readonly) return -EIO;
if (!ct) return 0;
......@@ -483,10 +481,10 @@ con_set_unimap(int con, ushort ct, struct unipair __user *list)
int j, k;
u16 **p1, *p2, l;
err1 = con_clear_unimap(con, NULL);
err1 = con_clear_unimap(vc, NULL);
if (err1) return err1;
q = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
q = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
for (i = 0, l = 0; i < 32; i++)
if ((p1 = p->uni_pgdir[i]))
for (j = 0; j < 32; j++)
......@@ -496,7 +494,7 @@ con_set_unimap(int con, ushort ct, struct unipair __user *list)
err1 = con_insert_unipair(q, l, p2[k]);
if (err1) {
p->refcount++;
*conp->vc_uni_pagedir_loc = (unsigned long)p;
*vc->vc_uni_pagedir_loc = (unsigned long)p;
con_release_unimap(q);
kfree(q);
return err1;
......@@ -515,11 +513,11 @@ con_set_unimap(int con, ushort ct, struct unipair __user *list)
list++;
}
if (con_unify_unimap(conp, p))
if (con_unify_unimap(vc, p))
return err;
for (i = 0; i <= 3; i++)
set_inverse_transl(conp, p, i); /* Update all inverse translations */
set_inverse_transl(vc, p, i); /* Update all inverse translations */
return err;
}
......@@ -529,20 +527,18 @@ con_set_unimap(int con, ushort ct, struct unipair __user *list)
with. This routine is executed at sys_setup time, and when the
PIO_FONTRESET ioctl is called. */
int
con_set_default_unimap(int con)
int con_set_default_unimap(struct vc_data *vc)
{
int i, j, err = 0, err1;
u16 *q;
struct uni_pagedir *p;
struct vc_data *conp = vc_cons[con].d;
if (dflt) {
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
if (p == dflt)
return 0;
dflt->refcount++;
*conp->vc_uni_pagedir_loc = (unsigned long)dflt;
*vc->vc_uni_pagedir_loc = (unsigned long)dflt;
if (p && --p->refcount) {
con_release_unimap(p);
kfree(p);
......@@ -552,10 +548,10 @@ con_set_default_unimap(int con)
/* The default font is always 256 characters */
err = con_clear_unimap(con,NULL);
err = con_clear_unimap(vc, NULL);
if (err) return err;
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
q = dfont_unitable;
for (i = 0; i < 256; i++)
......@@ -565,47 +561,42 @@ con_set_default_unimap(int con)
err = err1;
}
if (con_unify_unimap(conp, p)) {
dflt = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
if (con_unify_unimap(vc, p)) {
dflt = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
return err;
}
for (i = 0; i <= 3; i++)
set_inverse_transl(conp, p, i); /* Update all inverse translations */
set_inverse_transl(vc, p, i); /* Update all inverse translations */
dflt = p;
return err;
}
EXPORT_SYMBOL(con_set_default_unimap);
int
con_copy_unimap(int dstcon, int srccon)
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc)
{
struct vc_data *sconp = vc_cons[srccon].d;
struct vc_data *dconp = vc_cons[dstcon].d;
struct uni_pagedir *q;
if (!vc_cons_allocated(srccon) || !*sconp->vc_uni_pagedir_loc)
if (!*src_vc->vc_uni_pagedir_loc)
return -EINVAL;
if (*dconp->vc_uni_pagedir_loc == *sconp->vc_uni_pagedir_loc)
if (*dst_vc->vc_uni_pagedir_loc == *src_vc->vc_uni_pagedir_loc)
return 0;
con_free_unimap(dstcon);
q = (struct uni_pagedir *)*sconp->vc_uni_pagedir_loc;
con_free_unimap(dst_vc);
q = (struct uni_pagedir *)*src_vc->vc_uni_pagedir_loc;
q->refcount++;
*dconp->vc_uni_pagedir_loc = (long)q;
*dst_vc->vc_uni_pagedir_loc = (long)q;
return 0;
}
int
con_get_unimap(int con, ushort ct, ushort __user *uct, struct unipair __user *list)
int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list)
{
int i, j, k, ect;
u16 **p1, *p2;
struct uni_pagedir *p;
struct vc_data *conp = vc_cons[con].d;
ect = 0;
if (*conp->vc_uni_pagedir_loc) {
p = (struct uni_pagedir *)*conp->vc_uni_pagedir_loc;
if (*vc->vc_uni_pagedir_loc) {
p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
for (i = 0; i < 32; i++)
if ((p1 = p->uni_pgdir[i]))
for (j = 0; j < 32; j++)
......@@ -625,12 +616,12 @@ con_get_unimap(int con, ushort ct, ushort __user *uct, struct unipair __user *li
return ((ect <= ct) ? 0 : -ENOMEM);
}
void con_protect_unimap(int con, int rdonly)
void con_protect_unimap(struct vc_data *vc, int rdonly)
{
struct uni_pagedir *p = (struct uni_pagedir *)
*vc_cons[con].d->vc_uni_pagedir_loc;
struct uni_pagedir *p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
if (p) p->readonly = rdonly;
if (p)
p->readonly = rdonly;
}
int
......@@ -679,7 +670,7 @@ console_map_init(void)
for (i = 0; i < MAX_NR_CONSOLES; i++)
if (vc_cons_allocated(i) && !*vc_cons[i].d->vc_uni_pagedir_loc)
con_set_default_unimap(i);
con_set_default_unimap(vc_cons[i].d);
}
EXPORT_SYMBOL(con_copy_unimap);
drivers/char/keyboard.c
View file @ 716a6639
......@@ -536,12 +536,12 @@ static void fn_send_intr(struct vc_data *vc, struct pt_regs *regs)
static void fn_scroll_forw(struct vc_data *vc, struct pt_regs *regs)
{
scrollfront(0);
scrollfront(vc, 0);
}
static void fn_scroll_back(struct vc_data *vc, struct pt_regs *regs)
{
scrollback(0);
scrollback(vc, 0);
}
static void fn_show_mem(struct vc_data *vc, struct pt_regs *regs)
......@@ -581,7 +581,7 @@ static void fn_SAK(struct vc_data *vc, struct pt_regs *regs)
*/
if (tty)
do_SAK(tty);
reset_vc(fg_console);
reset_vc(vc);
}
static void fn_null(struct vc_data *vc, struct pt_regs *regs)
......
drivers/char/selection.c
View file @ 716a6639
......@@ -43,15 +43,13 @@ static char *sel_buffer;
from interrupt (via scrollback/front) */
/* set reverse video on characters s-e of console with selection. */
inline static void
highlight(const int s, const int e)
static inline void highlight(const int s, const int e)
{
invert_screen(sel_cons, s, e-s+2, 1);
}
/* use complementary color to show the pointer */
inline static void
highlight_pointer(const int where)
static inline void highlight_pointer(const int where)
{
complement_pos(sel_cons, where);
}
......
drivers/char/sysrq.c
View file @ 716a6639
......@@ -33,11 +33,10 @@
#include <linux/buffer_head.h> /* for fsync_bdev() */
#include <linux/spinlock.h>
#include <linux/vt_kern.h>
#include <asm/ptrace.h>
extern void reset_vc(unsigned int);
/* Whether we react on sysrq keys or just ignore them */
int sysrq_enabled = 1;
......@@ -68,7 +67,7 @@ static void sysrq_handle_SAK(int key, struct pt_regs *pt_regs,
{
if (tty)
do_SAK(tty);
reset_vc(fg_console);
reset_vc(vc_cons[fg_console].d);
}
static struct sysrq_key_op sysrq_SAK_op = {
.handler = sysrq_handle_SAK,
......
drivers/char/tty_io.c
View file @ 716a6639
......@@ -1789,7 +1789,6 @@ static int tty_open(struct inode * inode, struct file * filp)
}
#ifdef CONFIG_VT
if (device == MKDEV(TTY_MAJOR,0)) {
extern int fg_console;
extern struct tty_driver *console_driver;
driver = console_driver;
index = fg_console;
......@@ -2016,11 +2015,10 @@ static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
return 0;
#ifdef CONFIG_VT
if (tty->driver->type == TTY_DRIVER_TYPE_CONSOLE) {
unsigned int currcons = tty->index;
int rc;
acquire_console_sem();
rc = vc_resize(currcons, tmp_ws.ws_col, tmp_ws.ws_row);
rc = vc_resize(tty->driver_data, tmp_ws.ws_col, tmp_ws.ws_row);
release_console_sem();
if (rc)
return -ENXIO;
......
drivers/char/vc_screen.c
View file @ 716a6639
......@@ -52,14 +52,17 @@ vcs_size(struct inode *inode)
int size;
int minor = iminor(inode);
int currcons = minor & 127;
struct vc_data *vc;
if (currcons == 0)
currcons = fg_console;
else
currcons--;
if (!vc_cons_allocated(currcons))
return -ENXIO;
vc = vc_cons[currcons].d;
size = vc_cons[currcons].d->vc_rows * vc_cons[currcons].d->vc_cols;
size = vc->vc_rows * vc->vc_cols;
if (minor & 128)
size = 2*size + HEADER_SIZE;
......@@ -442,7 +445,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
buf += orig_count;
pos += orig_count;
if (org0)
update_region(currcons, (unsigned long)(org0), org-org0);
update_region(vc, (unsigned long)(org0), org - org0);
}
*ppos += written;
ret = written;
......
drivers/char/vt.c
View file @ 716a6639
......@@ -135,11 +135,11 @@ static const struct consw *con_driver_map[MAX_NR_CONSOLES];
#endif
static int con_open(struct tty_struct *, struct file *);
static void vc_init(unsigned int console, unsigned int rows,
static void vc_init(struct vc_data *vc, unsigned int rows,
unsigned int cols, int do_clear);
static void gotoxy(struct vc_data *vc, int new_x, int new_y);
static void save_cur(int currcons);
static void reset_terminal(int currcons, int do_clear);
static void save_cur(struct vc_data *vc);
static void reset_terminal(struct vc_data *vc, int do_clear);
static void con_flush_chars(struct tty_struct *tty);
static void set_vesa_blanking(char __user *p);
static void set_cursor(struct vc_data *vc);
......@@ -214,17 +214,12 @@ enum {
* Low-Level Functions
*/
#define IS_FG (currcons == fg_console)
#define IS_FG_VC(vc) (vc == vc_cons[fg_console].d)
#define IS_VISIBLE CON_IS_VISIBLE(vc_cons[currcons].d)
#define IS_FG(vc) ((vc)->vc_num == fg_console)
#ifdef VT_BUF_VRAM_ONLY
#define DO_UPDATE 0
#define DO_UPDATE_VC(vc) 0
#define DO_UPDATE(vc) 0
#else
#define DO_UPDATE IS_VISIBLE
#define DO_UPDATE_VC(vc) CON_IS_VISIBLE(vc)
#define DO_UPDATE(vc) CON_IS_VISIBLE(vc)
#endif
static int pm_con_request(struct pm_dev *dev, pm_request_t rqst, void *data);
......@@ -254,38 +249,37 @@ void schedule_console_callback(void)
schedule_work(&console_work);
}
static void scrup(int currcons, unsigned int t, unsigned int b, int nr)
static void scrup(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
{
unsigned short *d, *s;
if (t+nr >= b)
nr = b - t - 1;
if (b > vc_cons[currcons].d->vc_rows || t >= b || nr < 1)
if (b > vc->vc_rows || t >= b || nr < 1)
return;
if (IS_VISIBLE && sw->con_scroll(vc_cons[currcons].d, t, b, SM_UP, nr))
if (CON_IS_VISIBLE(vc) && sw->con_scroll(vc, t, b, SM_UP, nr))
return;
d = (unsigned short *) (origin+vc_cons[currcons].d->vc_size_row*t);
s = (unsigned short *) (origin+vc_cons[currcons].d->vc_size_row*(t+nr));
scr_memmovew(d, s, (b-t-nr) * vc_cons[currcons].d->vc_size_row);
scr_memsetw(d + (b-t-nr) * vc_cons[currcons].d->vc_cols, video_erase_char,
vc_cons[currcons].d->vc_size_row * nr);
d = (unsigned short *)(origin + vc->vc_size_row * t);
s = (unsigned short *)(origin + vc->vc_size_row * (t + nr));
scr_memmovew(d, s, (b - t - nr) * vc->vc_size_row);
scr_memsetw(d + (b - t - nr) * vc->vc_cols, video_erase_char,
vc->vc_size_row * nr);
}
static void
scrdown(int currcons, unsigned int t, unsigned int b, int nr)
static void scrdown(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
{
unsigned short *s;
unsigned int step;
if (t+nr >= b)
nr = b - t - 1;
if (b > vc_cons[currcons].d->vc_rows || t >= b || nr < 1)
if (b > vc->vc_rows || t >= b || nr < 1)
return;
if (IS_VISIBLE && sw->con_scroll(vc_cons[currcons].d, t, b, SM_DOWN, nr))
if (CON_IS_VISIBLE(vc) && sw->con_scroll(vc, t, b, SM_DOWN, nr))
return;
s = (unsigned short *) (origin+vc_cons[currcons].d->vc_size_row*t);
step = vc_cons[currcons].d->vc_cols * nr;
scr_memmovew(s + step, s, (b-t-nr)*vc_cons[currcons].d->vc_size_row);
s = (unsigned short *)(origin + vc->vc_size_row * t);
step = vc->vc_cols * nr;
scr_memmovew(s + step, s, (b - t - nr) * vc->vc_size_row);
scr_memsetw(s, video_erase_char, 2*step);
}
......@@ -335,23 +329,23 @@ static void do_update_region(struct vc_data *vc, unsigned long start, int count)
#endif
}
void update_region(int currcons, unsigned long start, int count)
void update_region(struct vc_data *vc, unsigned long start, int count)
{
WARN_CONSOLE_UNLOCKED();
if (DO_UPDATE) {
hide_cursor(vc_cons[currcons].d);
do_update_region(vc_cons[currcons].d, start, count);
set_cursor(vc_cons[currcons].d);
if (DO_UPDATE(vc)) {
hide_cursor(vc);
do_update_region(vc, start, count);
set_cursor(vc);
}
}
/* Structure of attributes is hardware-dependent */
static u8 build_attr(int currcons, u8 _color, u8 _intensity, u8 _blink, u8 _underline, u8 _reverse)
static u8 build_attr(struct vc_data *vc, u8 _color, u8 _intensity, u8 _blink, u8 _underline, u8 _reverse)
{
if (sw->con_build_attr)
return sw->con_build_attr(vc_cons[currcons].d, _color, _intensity, _blink, _underline, _reverse);
return sw->con_build_attr(vc, _color, _intensity, _blink, _underline, _reverse);
#ifndef VT_BUF_VRAM_ONLY
/*
......@@ -366,7 +360,7 @@ static u8 build_attr(int currcons, u8 _color, u8 _intensity, u8 _blink, u8 _unde
*/
{
u8 a = color;
if (!vc_cons[currcons].d->vc_can_do_color)
if (!vc->vc_can_do_color)
return _intensity |
(_underline ? 4 : 0) |
(_reverse ? 8 : 0) |
......@@ -390,10 +384,10 @@ static u8 build_attr(int currcons, u8 _color, u8 _intensity, u8 _blink, u8 _unde
#endif
}
static void update_attr(int currcons)
static void update_attr(struct vc_data *vc)
{
attr = build_attr(currcons, color, intensity, blink, underline, reverse ^ decscnm);
video_erase_char = (build_attr(currcons, color, 1, blink, 0, decscnm) << 8) | ' ';
attr = build_attr(vc, color, intensity, blink, underline, reverse ^ decscnm);
video_erase_char = (build_attr(vc, color, 1, blink, 0, decscnm) << 8) | ' ';
}
/* Note: inverting the screen twice should revert to the original state */
......@@ -437,7 +431,7 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed)
}
}
#endif
if (DO_UPDATE_VC(vc))
if (DO_UPDATE(vc))
do_update_region(vc, (unsigned long) p, count);
}
......@@ -452,7 +446,7 @@ void complement_pos(struct vc_data *vc, int offset)
if (p) {
scr_writew(old, p);
if (DO_UPDATE_VC(vc))
if (DO_UPDATE(vc))
vc->vc_sw->con_putc(vc, old, oldy, oldx);
}
if (offset == -1)
......@@ -463,7 +457,7 @@ void complement_pos(struct vc_data *vc, int offset)
old = scr_readw(p);
new = old ^ vc->vc_complement_mask;
scr_writew(new, p);
if (DO_UPDATE_VC(vc)) {
if (DO_UPDATE(vc)) {
oldx = (offset >> 1) % vc->vc_cols;
oldy = (offset >> 1) / vc->vc_cols;
vc->vc_sw->con_putc(vc, new, oldy, oldx);
......@@ -471,47 +465,45 @@ void complement_pos(struct vc_data *vc, int offset)
}
}
static void insert_char(int currcons, unsigned int nr)
static void insert_char(struct vc_data *vc, unsigned int nr)
{
unsigned short *p, *q = (unsigned short *) pos;
p = q + vc_cons[currcons].d->vc_cols - nr - x;
p = q + vc->vc_cols - nr - x;
while (--p >= q)
scr_writew(scr_readw(p), p + nr);
scr_memsetw(q, video_erase_char, nr*2);
need_wrap = 0;
if (DO_UPDATE) {
if (DO_UPDATE(vc)) {
unsigned short oldattr = attr;
sw->con_bmove(vc_cons[currcons].d,y,x,y,x+nr,1,
vc_cons[currcons].d->vc_cols-x-nr);
sw->con_bmove(vc, y, x, y, x + nr, 1,
vc->vc_cols - x - nr);
attr = video_erase_char >> 8;
while (nr--)
sw->con_putc(vc_cons[currcons].d,
video_erase_char,y,x+nr);
sw->con_putc(vc, video_erase_char, y, x + nr);
attr = oldattr;
}
}
static void delete_char(int currcons, unsigned int nr)
static void delete_char(struct vc_data *vc, unsigned int nr)
{
unsigned int i = x;
unsigned short *p = (unsigned short *) pos;
while (++i <= vc_cons[currcons].d->vc_cols - nr) {
while (++i <= vc->vc_cols - nr) {
scr_writew(scr_readw(p+nr), p);
p++;
}
scr_memsetw(p, video_erase_char, nr*2);
need_wrap = 0;
if (DO_UPDATE) {
if (DO_UPDATE(vc)) {
unsigned short oldattr = attr;
sw->con_bmove(vc_cons[currcons].d, y, x+nr, y, x, 1,
vc_cons[currcons].d->vc_cols-x-nr);
sw->con_bmove(vc, y, x + nr, y, x, 1,
vc->vc_cols - x - nr);
attr = video_erase_char >> 8;
while (nr--)
sw->con_putc(vc_cons[currcons].d,
video_erase_char, y,
vc_cons[currcons].d->vc_cols-1-nr);
sw->con_putc(vc, video_erase_char, y,
vc->vc_cols - 1 - nr);
attr = oldattr;
}
}
......@@ -531,7 +523,7 @@ static void add_softcursor(struct vc_data *vc)
if ((type & 0x20) && ((softcursor_original & 0x7000) == (i & 0x7000))) i ^= 0x7000;
if ((type & 0x40) && ((i & 0x700) == ((i & 0x7000) >> 4))) i ^= 0x0700;
scr_writew(i, (u16 *) vc->vc_pos);
if (DO_UPDATE_VC(vc))
if (DO_UPDATE(vc))
vc->vc_sw->con_putc(vc, i, vc->vc_y, vc->vc_x);
}
......@@ -539,7 +531,7 @@ static void hide_softcursor(struct vc_data *vc)
{
if (softcursor_original != -1) {
scr_writew(softcursor_original, (u16 *)vc->vc_pos);
if (DO_UPDATE_VC(vc))
if (DO_UPDATE(vc))
vc->vc_sw->con_putc(vc, softcursor_original,
vc->vc_y, vc->vc_x);
softcursor_original = -1;
......@@ -556,7 +548,7 @@ static void hide_cursor(struct vc_data *vc)
static void set_cursor(struct vc_data *vc)
{
if (!IS_FG_VC(vc) || console_blanked ||
if (!IS_FG(vc) || console_blanked ||
vc->vc_vt->vc_mode == KD_GRAPHICS)
return;
if (vc->vc_deccm) {
......@@ -569,32 +561,32 @@ static void set_cursor(struct vc_data *vc)
hide_cursor(vc);
}
static void set_origin(int currcons)
static void set_origin(struct vc_data *vc)
{
WARN_CONSOLE_UNLOCKED();
if (!IS_VISIBLE ||
if (!CON_IS_VISIBLE(vc) ||
!sw->con_set_origin ||
!sw->con_set_origin(vc_cons[currcons].d))
!sw->con_set_origin(vc))
origin = (unsigned long) screenbuf;
visible_origin = origin;
scr_end = origin + screenbuf_size;
pos = origin + vc_cons[currcons].d->vc_size_row*y + 2*x;
pos = origin + vc->vc_size_row * y + 2 * x;
}
static inline void save_screen(int currcons)
static inline void save_screen(struct vc_data *vc)
{
WARN_CONSOLE_UNLOCKED();
if (sw->con_save_screen)
sw->con_save_screen(vc_cons[currcons].d);
sw->con_save_screen(vc);
}
/*
* Redrawing of screen
*/
static void clear_buffer_attributes(int currcons)
static void clear_buffer_attributes(struct vc_data *vc)
{
unsigned short *p = (unsigned short *) origin;
int count = screenbuf_size/2;
......@@ -605,62 +597,57 @@ static void clear_buffer_attributes(int currcons)
}
}
void redraw_screen(int new_console, int is_switch)
void redraw_screen(struct vc_data *vc, int is_switch)
{
int redraw = 1;
int currcons, old_console;
int redraw = 0;
WARN_CONSOLE_UNLOCKED();
if (!vc_cons_allocated(new_console)) {
if (!vc) {
/* strange ... */
/* printk("redraw_screen: tty %d not allocated ??\n", new_console+1); */
return;
}
if (is_switch) {
currcons = fg_console;
hide_cursor(vc_cons[currcons].d);
if (fg_console != new_console) {
struct vc_data **display = vc_cons[new_console].d->vc_display_fg;
old_console = (*display) ? (*display)->vc_num : fg_console;
*display = vc_cons[new_console].d;
fg_console = new_console;
currcons = old_console;
if (!IS_VISIBLE) {
save_screen(currcons);
set_origin(currcons);
}
currcons = new_console;
if (old_console == new_console)
redraw = 0;
struct vc_data *old_vc = vc_cons[fg_console].d;
if (old_vc == vc)
return;
if (!CON_IS_VISIBLE(vc))
redraw = 1;
*vc->vc_display_fg = vc;
fg_console = vc->vc_num;
hide_cursor(old_vc);
if (!CON_IS_VISIBLE(old_vc)) {
save_screen(old_vc);
set_origin(old_vc);
}
} else {
currcons = new_console;
hide_cursor(vc_cons[currcons].d);
hide_cursor(vc);
redraw = 1;
}
if (redraw) {
int update;
int old_was_color = vc_cons[currcons].d->vc_can_do_color;
int old_was_color = vc->vc_can_do_color;
set_origin(currcons);
update = sw->con_switch(vc_cons[currcons].d);
set_palette(currcons);
set_origin(vc);
update = sw->con_switch(vc);
set_palette(vc);
/*
* If console changed from mono<->color, the best we can do
* is to clear the buffer attributes. As it currently stands,
* rebuilding new attributes from the old buffer is not doable
* without overly complex code.
*/
if (old_was_color != vc_cons[currcons].d->vc_can_do_color) {
update_attr(currcons);
clear_buffer_attributes(currcons);
if (old_was_color != vc->vc_can_do_color) {
update_attr(vc);
clear_buffer_attributes(vc);
}
if (update && vcmode != KD_GRAPHICS)
do_update_region(vc_cons[currcons].d, origin, screenbuf_size/2);
do_update_region(vc, origin, screenbuf_size / 2);
}
set_cursor(vc_cons[currcons].d);
set_cursor(vc);
if (is_switch) {
set_leds();
compute_shiftstate();
......@@ -676,31 +663,30 @@ int vc_cons_allocated(unsigned int i)
return (i < MAX_NR_CONSOLES && vc_cons[i].d);
}
static void visual_init(int currcons, int init)
static void visual_init(struct vc_data *vc, int num, int init)
{
/* ++Geert: sw->con_init determines console size */
if (sw)
module_put(sw->owner);
sw = conswitchp;
/* ++Geert: sw->con_init determines console size */
if (sw)
module_put(sw->owner);
sw = conswitchp;
#ifndef VT_SINGLE_DRIVER
if (con_driver_map[currcons])
sw = con_driver_map[currcons];
if (con_driver_map[num])
sw = con_driver_map[num];
#endif
__module_get(sw->owner);
cons_num = currcons;
display_fg = &master_display_fg;
vc_cons[currcons].d->vc_uni_pagedir_loc = &vc_cons[currcons].d->vc_uni_pagedir;
vc_cons[currcons].d->vc_uni_pagedir = 0;
hi_font_mask = 0;
complement_mask = 0;
vc_cons[currcons].d->vc_can_do_color = 0;
sw->con_init(vc_cons[currcons].d, init);
if (!complement_mask)
complement_mask =
vc_cons[currcons].d->vc_can_do_color ? 0x7700 : 0x0800;
s_complement_mask = complement_mask;
vc_cons[currcons].d->vc_size_row = vc_cons[currcons].d->vc_cols<<1;
screenbuf_size = vc_cons[currcons].d->vc_rows * vc_cons[currcons].d->vc_size_row;
__module_get(sw->owner);
vc->vc_num = num;
display_fg = &master_display_fg;
vc->vc_uni_pagedir_loc = &vc->vc_uni_pagedir;
vc->vc_uni_pagedir = 0;
hi_font_mask = 0;
complement_mask = 0;
vc->vc_can_do_color = 0;
sw->con_init(vc, init);
if (!complement_mask)
complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
s_complement_mask = complement_mask;
vc->vc_size_row = vc->vc_cols << 1;
screenbuf_size = vc->vc_rows * vc->vc_size_row;
}
int vc_allocate(unsigned int currcons) /* return 0 on success */
......@@ -710,6 +696,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
if (currcons >= MAX_NR_CONSOLES)
return -ENXIO;
if (!vc_cons[currcons].d) {
struct vc_data *vc;
long p, q;
/* prevent users from taking too much memory */
......@@ -726,12 +713,12 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
if (!p)
return -ENOMEM;
memset((void *)p, 0, structsize);
vc_cons[currcons].d = (struct vc_data *)p;
vc_cons[currcons].d = vc = (struct vc_data *)p;
vt_cons[currcons] = (struct vt_struct *)(p+sizeof(struct vc_data));
vc_cons[currcons].d->vc_vt = vt_cons[currcons];
visual_init(currcons, 1);
if (!*vc_cons[currcons].d->vc_uni_pagedir_loc)
con_set_default_unimap(currcons);
visual_init(vc, currcons, 1);
if (!*vc->vc_uni_pagedir_loc)
con_set_default_unimap(vc);
q = (long)kmalloc(screenbuf_size, GFP_KERNEL);
if (!q) {
kfree((char *) p);
......@@ -741,7 +728,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
}
screenbuf = (unsigned short *) q;
kmalloced = 1;
vc_init(currcons, vc_cons[currcons].d->vc_rows, vc_cons[currcons].d->vc_cols, 1);
vc_init(vc, vc->vc_rows, vc->vc_cols, 1);
if (!pm_con) {
pm_con = pm_register(PM_SYS_DEV,
......@@ -752,13 +739,13 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
return 0;
}
inline int resize_screen(int currcons, int width, int height)
inline int resize_screen(struct vc_data *vc, int width, int height)
{
/* Resizes the resolution of the display adapater */
int err = 0;
if (vcmode != KD_GRAPHICS && sw->con_resize)
err = sw->con_resize(vc_cons[currcons].d, width, height);
err = sw->con_resize(vc, width, height);
return err;
}
......@@ -769,7 +756,7 @@ inline int resize_screen(int currcons, int width, int height)
*/
#define VC_RESIZE_MAXCOL (32767)
#define VC_RESIZE_MAXROW (32767)
int vc_resize(int currcons, unsigned int cols, unsigned int lines)
int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
{
unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
unsigned int old_cols, old_rows, old_row_size, old_screen_size;
......@@ -778,38 +765,38 @@ int vc_resize(int currcons, unsigned int cols, unsigned int lines)
WARN_CONSOLE_UNLOCKED();
if (!vc_cons_allocated(currcons))
if (!vc)
return -ENXIO;
if (cols > VC_RESIZE_MAXCOL || lines > VC_RESIZE_MAXROW)
return -EINVAL;
new_cols = (cols ? cols : vc_cons[currcons].d->vc_cols);
new_rows = (lines ? lines : vc_cons[currcons].d->vc_rows);
new_cols = (cols ? cols : vc->vc_cols);
new_rows = (lines ? lines : vc->vc_rows);
new_row_size = new_cols << 1;
new_screen_size = new_row_size * new_rows;
if (new_cols == vc_cons[currcons].d->vc_cols && new_rows == vc_cons[currcons].d->vc_rows)
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
newscreen = (unsigned short *) kmalloc(new_screen_size, GFP_USER);
if (!newscreen)
return -ENOMEM;
old_rows = vc_cons[currcons].d->vc_rows;
old_cols = vc_cons[currcons].d->vc_cols;
old_row_size = vc_cons[currcons].d->vc_size_row;
old_rows = vc->vc_rows;
old_cols = vc->vc_cols;
old_row_size = vc->vc_size_row;
old_screen_size = screenbuf_size;
err = resize_screen(currcons, new_cols, new_rows);
err = resize_screen(vc, new_cols, new_rows);
if (err) {
kfree(newscreen);
return err;
}
vc_cons[currcons].d->vc_rows = new_rows;
vc_cons[currcons].d->vc_cols = new_cols;
vc_cons[currcons].d->vc_size_row = new_row_size;
vc->vc_rows = new_rows;
vc->vc_cols = new_cols;
vc->vc_size_row = new_row_size;
screenbuf_size = new_screen_size;
rlth = min(old_row_size, new_row_size);
......@@ -820,7 +807,7 @@ int vc_resize(int currcons, unsigned int cols, unsigned int lines)
if (new_rows < old_rows)
old_origin += (old_rows - new_rows) * old_row_size;
update_attr(currcons);
update_attr(vc);
while (old_origin < scr_end) {
scr_memcpyw((unsigned short *) new_origin, (unsigned short *) old_origin, rlth);
......@@ -836,29 +823,29 @@ int vc_resize(int currcons, unsigned int cols, unsigned int lines)
screenbuf = newscreen;
kmalloced = 1;
screenbuf_size = new_screen_size;
set_origin(currcons);
set_origin(vc);
/* do part of a reset_terminal() */
top = 0;
bottom = vc_cons[currcons].d->vc_rows;
gotoxy(vc_cons[currcons].d, x, y);
save_cur(currcons);
bottom = vc->vc_rows;
gotoxy(vc, x, y);
save_cur(vc);
if (vc_cons[currcons].d->vc_tty) {
struct winsize ws, *cws = &vc_cons[currcons].d->vc_tty->winsize;
if (vc->vc_tty) {
struct winsize ws, *cws = &vc->vc_tty->winsize;
memset(&ws, 0, sizeof(ws));
ws.ws_row = vc_cons[currcons].d->vc_rows;
ws.ws_col = vc_cons[currcons].d->vc_cols;
ws.ws_row = vc->vc_rows;
ws.ws_col = vc->vc_cols;
ws.ws_ypixel = video_scan_lines;
if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col) &&
vc_cons[currcons].d->vc_tty->pgrp > 0)
kill_pg(vc_cons[currcons].d->vc_tty->pgrp, SIGWINCH, 1);
vc->vc_tty->pgrp > 0)
kill_pg(vc->vc_tty->pgrp, SIGWINCH, 1);
*cws = ws;
}
if (IS_VISIBLE)
update_screen(currcons);
if (CON_IS_VISIBLE(vc))
update_screen(vc);
return err;
}
......@@ -868,12 +855,13 @@ void vc_disallocate(unsigned int currcons)
WARN_CONSOLE_UNLOCKED();
if (vc_cons_allocated(currcons)) {
sw->con_deinit(vc_cons[currcons].d);
if (kmalloced)
kfree(screenbuf);
if (currcons >= MIN_NR_CONSOLES)
kfree(vc_cons[currcons].d);
vc_cons[currcons].d = NULL;
struct vc_data *vc = vc_cons[currcons].d;
sw->con_deinit(vc);
if (kmalloced)
kfree(screenbuf);
if (currcons >= MIN_NR_CONSOLES)
kfree(vc);
vc_cons[currcons].d = NULL;
}
}
......@@ -881,9 +869,9 @@ void vc_disallocate(unsigned int currcons)
* VT102 emulator
*/
#define set_kbd(x) set_vc_kbd_mode(kbd_table+currcons,x)
#define clr_kbd(x) clr_vc_kbd_mode(kbd_table+currcons,x)
#define is_kbd(x) vc_kbd_mode(kbd_table+currcons,x)
#define set_kbd(vc, x) set_vc_kbd_mode(kbd_table + (vc)->vc_num, (x))
#define clr_kbd(vc, x) clr_vc_kbd_mode(kbd_table + (vc)->vc_num, (x))
#define is_kbd(vc, x) vc_kbd_mode(kbd_table + (vc)->vc_num, (x))
#define decarm VC_REPEAT
#define decckm VC_CKMODE
......@@ -943,64 +931,60 @@ static void gotoxy(struct vc_data *vc, int new_x, int new_y)
}
/* for absolute user moves, when decom is set */
static void gotoxay(int currcons, int new_x, int new_y)
static void gotoxay(struct vc_data *vc, int new_x, int new_y)
{
gotoxy(vc_cons[currcons].d, new_x, decom ? (top+new_y) : new_y);
gotoxy(vc, new_x, decom ? (top+new_y) : new_y);
}
void scrollback(int lines)
void scrollback(struct vc_data *vc, int lines)
{
int currcons = fg_console;
if (!lines)
lines = vc_cons[currcons].d->vc_rows/2;
lines = vc->vc_rows / 2;
scrolldelta(-lines);
}
void scrollfront(int lines)
void scrollfront(struct vc_data *vc, int lines)
{
int currcons = fg_console;
if (!lines)
lines = vc_cons[currcons].d->vc_rows/2;
lines = vc->vc_rows / 2;
scrolldelta(lines);
}
static void lf(int currcons)
static void lf(struct vc_data *vc)
{
/* don't scroll if above bottom of scrolling region, or
* if below scrolling region
*/
if (y+1 == bottom)
scrup(currcons,top,bottom,1);
else if (y < vc_cons[currcons].d->vc_rows-1) {
scrup(vc, top, bottom, 1);
else if (y < vc->vc_rows - 1) {
y++;
pos += vc_cons[currcons].d->vc_size_row;
pos += vc->vc_size_row;
}
need_wrap = 0;
}
static void ri(int currcons)
static void ri(struct vc_data *vc)
{
/* don't scroll if below top of scrolling region, or
* if above scrolling region
*/
if (y == top)
scrdown(currcons,top,bottom,1);
scrdown(vc, top, bottom, 1);
else if (y > 0) {
y--;
pos -= vc_cons[currcons].d->vc_size_row;
pos -= vc->vc_size_row;
}
need_wrap = 0;
}
static inline void cr(int currcons)
static inline void cr(struct vc_data *vc)
{
pos -= x<<1;
need_wrap = x = 0;
}
static inline void bs(int currcons)
static inline void bs(struct vc_data *vc)
{
if (x) {
pos -= 2;
......@@ -1009,12 +993,12 @@ static inline void bs(int currcons)
}
}
static inline void del(int currcons)
static inline void del(struct vc_data *vc)
{
/* ignored */
}
static void csi_J(int currcons, int vpar)
static void csi_J(struct vc_data *vc, int vpar)
{
unsigned int count;
unsigned short * start;
......@@ -1023,33 +1007,33 @@ static void csi_J(int currcons, int vpar)
case 0: /* erase from cursor to end of display */
count = (scr_end-pos)>>1;
start = (unsigned short *) pos;
if (DO_UPDATE) {
if (DO_UPDATE(vc)) {
/* do in two stages */
sw->con_clear(vc_cons[currcons].d, y, x, 1,
vc_cons[currcons].d->vc_cols-x);
sw->con_clear(vc_cons[currcons].d, y+1, 0,
vc_cons[currcons].d->vc_rows-y-1,
vc_cons[currcons].d->vc_cols);
sw->con_clear(vc, y, x, 1,
vc->vc_cols - x);
sw->con_clear(vc, y + 1, 0,
vc->vc_rows - y - 1,
vc->vc_cols);
}
break;
case 1: /* erase from start to cursor */
count = ((pos-origin)>>1)+1;
start = (unsigned short *) origin;
if (DO_UPDATE) {
if (DO_UPDATE(vc)) {
/* do in two stages */
sw->con_clear(vc_cons[currcons].d, 0, 0, y,
vc_cons[currcons].d->vc_cols);
sw->con_clear(vc_cons[currcons].d, y, 0, 1,
sw->con_clear(vc, 0, 0, y,
vc->vc_cols);
sw->con_clear(vc, y, 0, 1,
x + 1);
}
break;
case 2: /* erase whole display */
count = vc_cons[currcons].d->vc_cols * vc_cons[currcons].d->vc_rows;
count = vc->vc_cols * vc->vc_rows;
start = (unsigned short *) origin;
if (DO_UPDATE)
sw->con_clear(vc_cons[currcons].d, 0, 0,
vc_cons[currcons].d->vc_rows,
vc_cons[currcons].d->vc_cols);
if (DO_UPDATE(vc))
sw->con_clear(vc, 0, 0,
vc->vc_rows,
vc->vc_cols);
break;
default:
return;
......@@ -1058,32 +1042,32 @@ static void csi_J(int currcons, int vpar)
need_wrap = 0;
}
static void csi_K(int currcons, int vpar)
static void csi_K(struct vc_data *vc, int vpar)
{
unsigned int count;
unsigned short * start;
switch (vpar) {
case 0: /* erase from cursor to end of line */
count = vc_cons[currcons].d->vc_cols-x;
count = vc->vc_cols - x;
start = (unsigned short *) pos;
if (DO_UPDATE)
sw->con_clear(vc_cons[currcons].d, y, x, 1,
vc_cons[currcons].d->vc_cols-x);
if (DO_UPDATE(vc))
sw->con_clear(vc, y, x, 1,
vc->vc_cols - x);
break;
case 1: /* erase from start of line to cursor */
start = (unsigned short *) (pos - (x<<1));
count = x+1;
if (DO_UPDATE)
sw->con_clear(vc_cons[currcons].d, y, 0, 1,
if (DO_UPDATE(vc))
sw->con_clear(vc, y, 0, 1,
x + 1);
break;
case 2: /* erase whole line */
start = (unsigned short *) (pos - (x<<1));
count = vc_cons[currcons].d->vc_cols;
if (DO_UPDATE)
sw->con_clear(vc_cons[currcons].d, y, 0, 1,
vc_cons[currcons].d->vc_cols);
count = vc->vc_cols;
if (DO_UPDATE(vc))
sw->con_clear(vc, y, 0, 1,
vc->vc_cols);
break;
default:
return;
......@@ -1092,21 +1076,21 @@ static void csi_K(int currcons, int vpar)
need_wrap = 0;
}
static void csi_X(int currcons, int vpar) /* erase the following vpar positions */
static void csi_X(struct vc_data *vc, int vpar) /* erase the following vpar positions */
{ /* not vt100? */
int count;
if (!vpar)
vpar++;
count = (vpar > vc_cons[currcons].d->vc_cols-x) ? (vc_cons[currcons].d->vc_cols-x) : vpar;
count = (vpar > vc->vc_cols - x) ? (vc->vc_cols - x) : vpar;
scr_memsetw((unsigned short *) pos, video_erase_char, 2 * count);
if (DO_UPDATE)
sw->con_clear(vc_cons[currcons].d, y, x, 1, count);
if (DO_UPDATE(vc))
sw->con_clear(vc, y, x, 1, count);
need_wrap = 0;
}
static void default_attr(int currcons)
static void default_attr(struct vc_data *vc)
{
intensity = 1;
underline = 0;
......@@ -1116,14 +1100,14 @@ static void default_attr(int currcons)
}
/* console_sem is held */
static void csi_m(int currcons)
static void csi_m(struct vc_data *vc)
{
int i;
for (i=0;i<=npar;i++)
switch (par[i]) {
case 0: /* all attributes off */
default_attr(currcons);
default_attr(vc);
break;
case 1:
intensity = 2;
......@@ -1147,7 +1131,7 @@ static void csi_m(int currcons)
*/
translate = set_translate(charset == 0
? G0_charset
: G1_charset,currcons);
: G1_charset, vc);
disp_ctrl = 0;
toggle_meta = 0;
break;
......@@ -1155,7 +1139,7 @@ static void csi_m(int currcons)
* Select first alternate font, lets
* chars < 32 be displayed as ROM chars.
*/
translate = set_translate(IBMPC_MAP,currcons);
translate = set_translate(IBMPC_MAP, vc);
disp_ctrl = 1;
toggle_meta = 0;
break;
......@@ -1163,7 +1147,7 @@ static void csi_m(int currcons)
* Select second alternate font, toggle
* high bit before displaying as ROM char.
*/
translate = set_translate(IBMPC_MAP,currcons);
translate = set_translate(IBMPC_MAP, vc);
disp_ctrl = 1;
toggle_meta = 1;
break;
......@@ -1208,7 +1192,7 @@ static void csi_m(int currcons)
| foreground;
break;
}
update_attr(currcons);
update_attr(vc);
}
static void respond_string(const char *p, struct tty_struct *tty)
......@@ -1220,7 +1204,7 @@ static void respond_string(const char *p, struct tty_struct *tty)
con_schedule_flip(tty);
}
static void cursor_report(int currcons, struct tty_struct *tty)
static void cursor_report(struct vc_data *vc, struct tty_struct *tty)
{
char buf[40];
......@@ -1250,13 +1234,13 @@ void mouse_report(struct tty_struct *tty, int butt, int mrx, int mry)
/* invoked via ioctl(TIOCLINUX) and through set_selection */
int mouse_reporting(void)
{
int currcons = fg_console;
struct vc_data *vc = vc_cons[fg_console].d;
return report_mouse;
}
/* console_sem is held */
static void set_mode(int currcons, int on_off)
static void set_mode(struct vc_data *vc, int on_off)
{
int i;
......@@ -1264,14 +1248,14 @@ static void set_mode(int currcons, int on_off)
if (ques) switch(par[i]) { /* DEC private modes set/reset */
case 1: /* Cursor keys send ^[Ox/^[[x */
if (on_off)
set_kbd(decckm);
set_kbd(vc, decckm);
else
clr_kbd(decckm);
clr_kbd(vc, decckm);
break;
case 3: /* 80/132 mode switch unimplemented */
deccolm = on_off;
#if 0
(void) vc_resize(deccolm ? 132 : 80, vc_cons[currcons].d->vc_rows);
vc_resize(deccolm ? 132 : 80, vc->vc_rows);
/* this alone does not suffice; some user mode
utility has to change the hardware regs */
#endif
......@@ -1279,22 +1263,22 @@ static void set_mode(int currcons, int on_off)
case 5: /* Inverted screen on/off */
if (decscnm != on_off) {
decscnm = on_off;
invert_screen(vc_cons[currcons].d, 0, screenbuf_size, 0);
update_attr(currcons);
invert_screen(vc, 0, screenbuf_size, 0);
update_attr(vc);
}
break;
case 6: /* Origin relative/absolute */
decom = on_off;
gotoxay(currcons,0,0);
gotoxay(vc, 0, 0);
break;
case 7: /* Autowrap on/off */
decawm = on_off;
break;
case 8: /* Autorepeat on/off */
if (on_off)
set_kbd(decarm);
set_kbd(vc, decarm);
else
clr_kbd(decarm);
clr_kbd(vc, decarm);
break;
case 9:
report_mouse = on_off ? 1 : 0;
......@@ -1314,39 +1298,39 @@ static void set_mode(int currcons, int on_off)
break;
case 20: /* Lf, Enter == CrLf/Lf */
if (on_off)
set_kbd(lnm);
set_kbd(vc, lnm);
else
clr_kbd(lnm);
clr_kbd(vc, lnm);
break;
}
}
/* console_sem is held */
static void setterm_command(int currcons)
static void setterm_command(struct vc_data *vc)
{
switch(par[0]) {
case 1: /* set color for underline mode */
if (vc_cons[currcons].d->vc_can_do_color &&
if (vc->vc_can_do_color &&
par[1] < 16) {
ulcolor = color_table[par[1]];
if (underline)
update_attr(currcons);
update_attr(vc);
}
break;
case 2: /* set color for half intensity mode */
if (vc_cons[currcons].d->vc_can_do_color &&
if (vc->vc_can_do_color &&
par[1] < 16) {
halfcolor = color_table[par[1]];
if (intensity == 0)
update_attr(currcons);
update_attr(vc);
}
break;
case 8: /* store colors as defaults */
def_color = attr;
if (hi_font_mask == 0x100)
def_color >>= 1;
default_attr(currcons);
update_attr(currcons);
default_attr(vc);
update_attr(vc);
break;
case 9: /* set blanking interval */
blankinterval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ;
......@@ -1382,49 +1366,49 @@ static void setterm_command(int currcons)
}
/* console_sem is held */
static void csi_at(int currcons, unsigned int nr)
static void csi_at(struct vc_data *vc, unsigned int nr)
{
if (nr > vc_cons[currcons].d->vc_cols - x)
nr = vc_cons[currcons].d->vc_cols - x;
if (nr > vc->vc_cols - x)
nr = vc->vc_cols - x;
else if (!nr)
nr = 1;
insert_char(currcons, nr);
insert_char(vc, nr);
}
/* console_sem is held */
static void csi_L(int currcons, unsigned int nr)
static void csi_L(struct vc_data *vc, unsigned int nr)
{
if (nr > vc_cons[currcons].d->vc_rows - y)
nr = vc_cons[currcons].d->vc_rows - y;
if (nr > vc->vc_rows - y)
nr = vc->vc_rows - y;
else if (!nr)
nr = 1;
scrdown(currcons,y,bottom,nr);
scrdown(vc, y, bottom, nr);
need_wrap = 0;
}
/* console_sem is held */
static void csi_P(int currcons, unsigned int nr)
static void csi_P(struct vc_data *vc, unsigned int nr)
{
if (nr > vc_cons[currcons].d->vc_cols - x)
nr = vc_cons[currcons].d->vc_cols - x;
if (nr > vc->vc_cols - x)
nr = vc->vc_cols - x;
else if (!nr)
nr = 1;
delete_char(currcons, nr);
delete_char(vc, nr);
}
/* console_sem is held */
static void csi_M(int currcons, unsigned int nr)
static void csi_M(struct vc_data *vc, unsigned int nr)
{
if (nr > vc_cons[currcons].d->vc_rows - y)
nr = vc_cons[currcons].d->vc_rows - y;
if (nr > vc->vc_rows - y)
nr = vc->vc_rows - y;
else if (!nr)
nr=1;
scrup(currcons,y,bottom,nr);
scrup(vc, y, bottom, nr);
need_wrap = 0;
}
/* console_sem is held (except via vc_init->reset_terminal */
static void save_cur(int currcons)
static void save_cur(struct vc_data *vc)
{
saved_x = x;
saved_y = y;
......@@ -1439,9 +1423,9 @@ static void save_cur(int currcons)
}
/* console_sem is held */
static void restore_cur(int currcons)
static void restore_cur(struct vc_data *vc)
{
gotoxy(vc_cons[currcons].d,saved_x,saved_y);
gotoxy(vc, saved_x, saved_y);
intensity = s_intensity;
underline = s_underline;
blink = s_blink;
......@@ -1450,8 +1434,8 @@ static void restore_cur(int currcons)
color = s_color;
G0_charset = saved_G0;
G1_charset = saved_G1;
translate = set_translate(charset ? G1_charset : G0_charset,currcons);
update_attr(currcons);
translate = set_translate(charset ? G1_charset : G0_charset, vc);
update_attr(vc);
need_wrap = 0;
}
......@@ -1460,13 +1444,13 @@ enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey,
ESpalette };
/* console_sem is held (except via vc_init()) */
static void reset_terminal(int currcons, int do_clear)
static void reset_terminal(struct vc_data *vc, int do_clear)
{
top = 0;
bottom = vc_cons[currcons].d->vc_rows;
bottom = vc->vc_rows;
vc_state = ESnormal;
ques = 0;
translate = set_translate(LAT1_MAP,currcons);
translate = set_translate(LAT1_MAP, vc);
G0_charset = LAT1_MAP;
G1_charset = GRAF_MAP;
charset = 0;
......@@ -1484,22 +1468,22 @@ static void reset_terminal(int currcons, int do_clear)
deccm = 1;
decim = 0;
set_kbd(decarm);
clr_kbd(decckm);
clr_kbd(kbdapplic);
clr_kbd(lnm);
kbd_table[currcons].lockstate = 0;
kbd_table[currcons].slockstate = 0;
kbd_table[currcons].ledmode = LED_SHOW_FLAGS;
kbd_table[currcons].ledflagstate = kbd_table[currcons].default_ledflagstate;
set_kbd(vc, decarm);
clr_kbd(vc, decckm);
clr_kbd(vc, kbdapplic);
clr_kbd(vc, lnm);
kbd_table[vc->vc_num].lockstate = 0;
kbd_table[vc->vc_num].slockstate = 0;
kbd_table[vc->vc_num].ledmode = LED_SHOW_FLAGS;
kbd_table[vc->vc_num].ledflagstate = kbd_table[vc->vc_num].default_ledflagstate;
/* do not do set_leds here because this causes an endless tasklet loop
when the keyboard hasn't been initialized yet */
cursor_type = CUR_DEFAULT;
complement_mask = s_complement_mask;
default_attr(currcons);
update_attr(currcons);
default_attr(vc);
update_attr(vc);
tab_stop[0] = 0x01010100;
tab_stop[1] =
......@@ -1510,14 +1494,14 @@ static void reset_terminal(int currcons, int do_clear)
bell_pitch = DEFAULT_BELL_PITCH;
bell_duration = DEFAULT_BELL_DURATION;
gotoxy(vc_cons[currcons].d, 0, 0);
save_cur(currcons);
gotoxy(vc, 0, 0);
save_cur(vc);
if (do_clear)
csi_J(currcons,2);
csi_J(vc, 2);
}
/* console_sem is held */
static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
{
/*
* Control characters can be used in the _middle_
......@@ -1531,11 +1515,11 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
kd_mksound(bell_pitch, bell_duration);
return;
case 8:
bs(currcons);
bs(vc);
return;
case 9:
pos -= (x << 1);
while (x < vc_cons[currcons].d->vc_cols - 1) {
while (x < vc->vc_cols - 1) {
x++;
if (tab_stop[x >> 5] & (1 << (x & 31)))
break;
......@@ -1543,20 +1527,20 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
pos += (x << 1);
return;
case 10: case 11: case 12:
lf(currcons);
if (!is_kbd(lnm))
lf(vc);
if (!is_kbd(vc, lnm))
return;
case 13:
cr(currcons);
cr(vc);
return;
case 14:
charset = 1;
translate = set_translate(G1_charset,currcons);
translate = set_translate(G1_charset, vc);
disp_ctrl = 1;
return;
case 15:
charset = 0;
translate = set_translate(G0_charset,currcons);
translate = set_translate(G0_charset, vc);
disp_ctrl = 0;
return;
case 24: case 26:
......@@ -1566,7 +1550,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
vc_state = ESesc;
return;
case 127:
del(currcons);
del(vc);
return;
case 128+27:
vc_state = ESsquare;
......@@ -1586,14 +1570,14 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
vc_state = ESpercent;
return;
case 'E':
cr(currcons);
lf(currcons);
cr(vc);
lf(vc);
return;
case 'M':
ri(currcons);
ri(vc);
return;
case 'D':
lf(currcons);
lf(vc);
return;
case 'H':
tab_stop[x >> 5] |= (1 << (x & 31));
......@@ -1602,10 +1586,10 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
respond_ID(tty);
return;
case '7':
save_cur(currcons);
save_cur(vc);
return;
case '8':
restore_cur(currcons);
restore_cur(vc);
return;
case '(':
vc_state = ESsetG0;
......@@ -1617,13 +1601,13 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
vc_state = EShash;
return;
case 'c':
reset_terminal(currcons,1);
reset_terminal(vc, 1);
return;
case '>': /* Numeric keypad */
clr_kbd(kbdapplic);
clr_kbd(vc, kbdapplic);
return;
case '=': /* Appl. keypad */
set_kbd(kbdapplic);
set_kbd(vc, kbdapplic);
return;
}
return;
......@@ -1635,7 +1619,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
vc_state = ESpalette;
return;
} else if (c=='R') { /* reset palette */
reset_palette(currcons);
reset_palette(vc);
vc_state = ESnormal;
} else
vc_state = ESnormal;
......@@ -1651,7 +1635,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
palette[i++] += par[j++];
palette[i] = 16*par[j++];
palette[i] += par[j];
set_palette(currcons);
set_palette(vc);
vc_state = ESnormal;
}
} else
......@@ -1682,10 +1666,10 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
vc_state = ESnormal;
switch(c) {
case 'h':
set_mode(currcons,1);
set_mode(vc, 1);
return;
case 'l':
set_mode(currcons,0);
set_mode(vc, 0);
return;
case 'c':
if (ques) {
......@@ -1711,7 +1695,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
if (par[0] == 5)
status_report(tty);
else if (par[0] == 6)
cursor_report(currcons,tty);
cursor_report(vc, tty);
}
return;
}
......@@ -1722,55 +1706,55 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
switch(c) {
case 'G': case '`':
if (par[0]) par[0]--;
gotoxy(vc_cons[currcons].d, par[0], y);
gotoxy(vc, par[0], y);
return;
case 'A':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, x, y-par[0]);
gotoxy(vc, x, y - par[0]);
return;
case 'B': case 'e':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, x, y+par[0]);
gotoxy(vc, x, y + par[0]);
return;
case 'C': case 'a':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, x+par[0], y);
gotoxy(vc, x + par[0], y);
return;
case 'D':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, x-par[0], y);
gotoxy(vc, x - par[0], y);
return;
case 'E':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, 0, y+par[0]);
gotoxy(vc, 0, y + par[0]);
return;
case 'F':
if (!par[0]) par[0]++;
gotoxy(vc_cons[currcons].d, 0, y-par[0]);
gotoxy(vc, 0, y - par[0]);
return;
case 'd':
if (par[0]) par[0]--;
gotoxay(currcons,x,par[0]);
gotoxay(vc, x, par[0]);
return;
case 'H': case 'f':
if (par[0]) par[0]--;
if (par[1]) par[1]--;
gotoxay(currcons,par[1],par[0]);
gotoxay(vc, par[1], par[0]);
return;
case 'J':
csi_J(currcons,par[0]);
csi_J(vc, par[0]);
return;
case 'K':
csi_K(currcons,par[0]);
csi_K(vc, par[0]);
return;
case 'L':
csi_L(currcons,par[0]);
csi_L(vc, par[0]);
return;
case 'M':
csi_M(currcons,par[0]);
csi_M(vc, par[0]);
return;
case 'P':
csi_P(currcons,par[0]);
csi_P(vc, par[0]);
return;
case 'c':
if (!par[0])
......@@ -1788,41 +1772,41 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
}
return;
case 'm':
csi_m(currcons);
csi_m(vc);
return;
case 'q': /* DECLL - but only 3 leds */
/* map 0,1,2,3 to 0,1,2,4 */
if (par[0] < 4)
setledstate(kbd_table + currcons,
setledstate(kbd_table + vc->vc_num,
(par[0] < 3) ? par[0] : 4);
return;
case 'r':
if (!par[0])
par[0]++;
if (!par[1])
par[1] = vc_cons[currcons].d->vc_rows;
par[1] = vc->vc_rows;
/* Minimum allowed region is 2 lines */
if (par[0] < par[1] &&
par[1] <= vc_cons[currcons].d->vc_rows) {
par[1] <= vc->vc_rows) {
top=par[0]-1;
bottom=par[1];
gotoxay(currcons,0,0);
gotoxay(vc, 0, 0);
}
return;
case 's':
save_cur(currcons);
save_cur(vc);
return;
case 'u':
restore_cur(currcons);
restore_cur(vc);
return;
case 'X':
csi_X(currcons, par[0]);
csi_X(vc, par[0]);
return;
case '@':
csi_at(currcons,par[0]);
csi_at(vc, par[0]);
return;
case ']': /* setterm functions */
setterm_command(currcons);
setterm_command(vc);
return;
}
return;
......@@ -1847,10 +1831,10 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
/* DEC screen alignment test. kludge :-) */
video_erase_char =
(video_erase_char & 0xff00) | 'E';
csi_J(currcons, 2);
csi_J(vc, 2);
video_erase_char =
(video_erase_char & 0xff00) | ' ';
do_update_region(vc_cons[currcons].d, origin, screenbuf_size/2);
do_update_region(vc, origin, screenbuf_size / 2);
}
return;
case ESsetG0:
......@@ -1863,7 +1847,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
else if (c == 'K')
G0_charset = USER_MAP;
if (charset == 0)
translate = set_translate(G0_charset,currcons);
translate = set_translate(G0_charset, vc);
vc_state = ESnormal;
return;
case ESsetG1:
......@@ -1876,7 +1860,7 @@ static void do_con_trol(struct tty_struct *tty, unsigned int currcons, int c)
else if (c == 'K')
G1_charset = USER_MAP;
if (charset == 1)
translate = set_translate(G1_charset,currcons);
translate = set_translate(G1_charset, vc);
vc_state = ESnormal;
return;
default:
......@@ -1903,7 +1887,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
#define FLUSH do { } while(0);
#else
#define FLUSH if (draw_x >= 0) { \
sw->con_putcs(vc_cons[currcons].d, (u16 *)draw_from, (u16 *)draw_to-(u16 *)draw_from, y, draw_x); \
sw->con_putcs(vc, (u16 *)draw_from, (u16 *)draw_to-(u16 *)draw_from, y, draw_x); \
draw_x = -1; \
}
#endif
......@@ -1912,6 +1896,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
unsigned int currcons;
unsigned long draw_from = 0, draw_to = 0;
struct vt_struct *vt;
struct vc_data *vc;
u16 himask, charmask;
const unsigned char *orig_buf = NULL;
int orig_count;
......@@ -1940,6 +1925,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
release_console_sem();
return 0;
}
vc = vc_cons[currcons].d;
release_console_sem();
orig_buf = buf;
......@@ -1965,8 +1951,8 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
charmask = himask ? 0x1ff : 0xff;
/* undraw cursor first */
if (IS_FG)
hide_cursor(vc_cons[currcons].d);
if (IS_FG(vc))
hide_cursor(vc);
while (!tty->stopped && count) {
int orig = *buf;
......@@ -2034,11 +2020,11 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
if (vc_state == ESnormal && ok) {
/* Now try to find out how to display it */
tc = conv_uni_to_pc(vc_cons[currcons].d, tc);
tc = conv_uni_to_pc(vc, tc);
if ( tc == -4 ) {
/* If we got -4 (not found) then see if we have
defined a replacement character (U+FFFD) */
tc = conv_uni_to_pc(vc_cons[currcons].d, 0xfffd);
tc = conv_uni_to_pc(vc, 0xfffd);
/* One reason for the -4 can be that we just
did a clear_unimap();
......@@ -2055,20 +2041,20 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
if (need_wrap || decim)
FLUSH
if (need_wrap) {
cr(currcons);
lf(currcons);
cr(vc);
lf(vc);
}
if (decim)
insert_char(currcons, 1);
insert_char(vc, 1);
scr_writew(himask ?
((attr << 8) & ~himask) + ((tc & 0x100) ? himask : 0) + (tc & 0xff) :
(attr << 8) + tc,
(u16 *) pos);
if (DO_UPDATE && draw_x < 0) {
if (DO_UPDATE(vc) && draw_x < 0) {
draw_x = x;
draw_from = pos;
}
if (x == vc_cons[currcons].d->vc_cols - 1) {
if (x == vc->vc_cols - 1) {
need_wrap = decawm;
draw_to = pos+2;
} else {
......@@ -2078,7 +2064,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
continue;
}
FLUSH
do_con_trol(tty, currcons, orig);
do_con_trol(tty, vc, orig);
}
FLUSH
console_conditional_schedule();
......@@ -2106,7 +2092,7 @@ static void console_callback(void *ignored)
if (want_console != fg_console &&
vc_cons_allocated(want_console)) {
hide_cursor(vc_cons[fg_console].d);
change_console(want_console);
change_console(vc_cons[want_console].d);
/* we only changed when the console had already
been allocated - a new console is not created
in an interrupt routine */
......@@ -2118,10 +2104,10 @@ static void console_callback(void *ignored)
poke_blanked_console();
}
if (scrollback_delta) {
int currcons = fg_console;
struct vc_data *vc = vc_cons[fg_console].d;
clear_selection();
if (vcmode == KD_TEXT)
sw->con_scrolldelta(vc_cons[currcons].d, scrollback_delta);
sw->con_scrolldelta(vc, scrollback_delta);
scrollback_delta = 0;
}
if (blank_timer_expired) {
......@@ -2150,7 +2136,7 @@ struct tty_driver *console_driver;
void vt_console_print(struct console *co, const char *b, unsigned count)
{
int currcons = fg_console;
struct vc_data *vc = vc_cons[fg_console].d;
unsigned char c;
static unsigned long printing;
const ushort *start;
......@@ -2162,13 +2148,13 @@ void vt_console_print(struct console *co, const char *b, unsigned count)
return;
if (kmsg_redirect && vc_cons_allocated(kmsg_redirect - 1))
currcons = kmsg_redirect - 1;
vc = vc_cons[kmsg_redirect - 1].d;
/* read `x' only after setting currcons properly (otherwise
the `x' macro will read the x of the foreground console). */
myx = x;
if (!vc_cons_allocated(currcons)) {
if (!vc_cons_allocated(fg_console)) {
/* impossible */
/* printk("vt_console_print: tty %d not allocated ??\n", currcons+1); */
goto quit;
......@@ -2178,8 +2164,8 @@ void vt_console_print(struct console *co, const char *b, unsigned count)
goto quit;
/* undraw cursor first */
if (IS_FG)
hide_cursor(vc_cons[currcons].d);
if (IS_FG(vc))
hide_cursor(vc);
start = (ushort *)pos;
......@@ -2189,22 +2175,22 @@ void vt_console_print(struct console *co, const char *b, unsigned count)
c = *b++;
if (c == 10 || c == 13 || c == 8 || need_wrap) {
if (cnt > 0) {
if (IS_VISIBLE)
sw->con_putcs(vc_cons[currcons].d, start, cnt, y, x);
if (CON_IS_VISIBLE(vc))
sw->con_putcs(vc, start, cnt, y, x);
x += cnt;
if (need_wrap)
x--;
cnt = 0;
}
if (c == 8) { /* backspace */
bs(currcons);
bs(vc);
start = (ushort *)pos;
myx = x;
continue;
}
if (c != 13)
lf(currcons);
cr(currcons);
lf(vc);
cr(vc);
start = (ushort *)pos;
myx = x;
if (c == 10 || c == 13)
......@@ -2212,7 +2198,7 @@ void vt_console_print(struct console *co, const char *b, unsigned count)
}
scr_writew((attr << 8) + c, (unsigned short *) pos);
cnt++;
if (myx == vc_cons[currcons].d->vc_cols - 1) {
if (myx == vc->vc_cols - 1) {
need_wrap = 1;
continue;
}
......@@ -2220,15 +2206,15 @@ void vt_console_print(struct console *co, const char *b, unsigned count)
myx++;
}
if (cnt > 0) {
if (IS_VISIBLE)
sw->con_putcs(vc_cons[currcons].d, start, cnt, y, x);
if (CON_IS_VISIBLE(vc))
sw->con_putcs(vc, start, cnt, y, x);
x += cnt;
if (x == vc_cons[currcons].d->vc_cols) {
if (x == vc->vc_cols) {
x--;
need_wrap = 1;
}
}
set_cursor(vc_cons[currcons].d);
set_cursor(vc);
if (!oops_in_progress)
poke_blanked_console();
......@@ -2333,7 +2319,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
if (get_user(lines, (s32 __user *)(p+4))) {
ret = -EFAULT;
} else {
scrollfront(lines);
scrollfront(vc_cons[fg_console].d, lines);
ret = 0;
}
break;
......@@ -2457,9 +2443,10 @@ static int con_open(struct tty_struct *tty, struct file *filp)
if (tty->count == 1) {
ret = vc_allocate(currcons);
if (ret == 0) {
struct vc_data *vc = vc_cons[currcons].d;
vt_cons[currcons]->vc_num = currcons;
tty->driver_data = vt_cons[currcons];
vc_cons[currcons].d->vc_tty = tty;
vc->vc_tty = tty;
if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
......@@ -2505,29 +2492,29 @@ static void con_close(struct tty_struct *tty, struct file *filp)
up(&tty_sem);
}
static void vc_init(unsigned int currcons, unsigned int rows,
unsigned int cols, int do_clear)
static void vc_init(struct vc_data *vc, unsigned int rows,
unsigned int cols, int do_clear)
{
int j, k ;
vc_cons[currcons].d->vc_cols = cols;
vc_cons[currcons].d->vc_rows = rows;
vc_cons[currcons].d->vc_size_row = cols<<1;
screenbuf_size = vc_cons[currcons].d->vc_rows * vc_cons[currcons].d->vc_size_row;
vc->vc_cols = cols;
vc->vc_rows = rows;
vc->vc_size_row = cols << 1;
screenbuf_size = vc->vc_rows * vc->vc_size_row;
set_origin(currcons);
set_origin(vc);
pos = origin;
reset_vc(currcons);
reset_vc(vc);
for (j=k=0; j<16; j++) {
vc_cons[currcons].d->vc_palette[k++] = default_red[j] ;
vc_cons[currcons].d->vc_palette[k++] = default_grn[j] ;
vc_cons[currcons].d->vc_palette[k++] = default_blu[j] ;
vc->vc_palette[k++] = default_red[j] ;
vc->vc_palette[k++] = default_grn[j] ;
vc->vc_palette[k++] = default_blu[j] ;
}
def_color = 0x07; /* white */
ulcolor = 0x0f; /* bold white */
halfcolor = 0x08; /* grey */
init_waitqueue_head(&vt_cons[currcons]->paste_wait);
reset_terminal(currcons, do_clear);
init_waitqueue_head(&vt_cons[vc->vc_num]->paste_wait);
reset_terminal(vc, do_clear);
}
/*
......@@ -2539,6 +2526,7 @@ static void vc_init(unsigned int currcons, unsigned int rows,
static int __init con_init(void)
{
const char *display_desc = NULL;
struct vc_data *vc;
unsigned int currcons = 0;
acquire_console_sem();
......@@ -2562,27 +2550,27 @@ static int __init con_init(void)
* kmalloc is not running yet - we use the bootmem allocator.
*/
for (currcons = 0; currcons < MIN_NR_CONSOLES; currcons++) {
vc_cons[currcons].d = (struct vc_data *)
vc_cons[currcons].d = vc = (struct vc_data *)
alloc_bootmem(sizeof(struct vc_data));
vt_cons[currcons] = (struct vt_struct *)
alloc_bootmem(sizeof(struct vt_struct));
vc_cons[currcons].d->vc_vt = vt_cons[currcons];
visual_init(currcons, 1);
visual_init(vc, currcons, 1);
screenbuf = (unsigned short *) alloc_bootmem(screenbuf_size);
kmalloced = 0;
vc_init(currcons, vc_cons[currcons].d->vc_rows, vc_cons[currcons].d->vc_cols,
vc_init(vc, vc->vc_rows, vc->vc_cols,
currcons || !sw->con_save_screen);
}
currcons = fg_console = 0;
master_display_fg = vc_cons[currcons].d;
set_origin(currcons);
save_screen(currcons);
gotoxy(vc_cons[currcons].d, x, y);
csi_J(currcons, 0);
update_screen(fg_console);
master_display_fg = vc = vc_cons[currcons].d;
set_origin(vc);
save_screen(vc);
gotoxy(vc, x, y);
csi_J(vc, 0);
update_screen(vc);
printk("Console: %s %s %dx%d",
vc_cons[currcons].d->vc_can_do_color ? "colour" : "mono",
display_desc, vc_cons[currcons].d->vc_cols, vc_cons[currcons].d->vc_rows);
vc->vc_can_do_color ? "colour" : "mono",
display_desc, vc->vc_cols, vc->vc_rows);
printable = 1;
printk("\n");
......@@ -2676,37 +2664,37 @@ int take_over_console(const struct consw *csw, int first, int last, int deflt)
for (i = first; i <= last; i++) {
int old_was_color;
int currcons = i;
struct vc_data *vc = vc_cons[i].d;
if (con_driver_map[i])
module_put(con_driver_map[i]->owner);
__module_get(owner);
con_driver_map[i] = csw;
if (!vc_cons[i].d || !vc_cons[i].d->vc_sw)
if (!vc || !vc->vc_sw)
continue;
j = i;
if (IS_VISIBLE)
save_screen(i);
old_was_color = vc_cons[i].d->vc_can_do_color;
vc_cons[i].d->vc_sw->con_deinit(vc_cons[i].d);
if (CON_IS_VISIBLE(vc))
save_screen(vc);
old_was_color = vc->vc_can_do_color;
vc->vc_sw->con_deinit(vc);
origin = (unsigned long) screenbuf;
visible_origin = origin;
scr_end = origin + screenbuf_size;
pos = origin + vc_cons[currcons].d->vc_size_row*y + 2*x;
visual_init(i, 0);
update_attr(i);
pos = origin + vc->vc_size_row * y + 2 * x;
visual_init(vc, i, 0);
update_attr(vc);
/* If the console changed between mono <-> color, then
* the attributes in the screenbuf will be wrong. The
* following resets all attributes to something sane.
*/
if (old_was_color != vc_cons[i].d->vc_can_do_color)
clear_buffer_attributes(i);
if (old_was_color != vc->vc_can_do_color)
clear_buffer_attributes(vc);
if (IS_VISIBLE)
update_screen(i);
if (CON_IS_VISIBLE(vc))
update_screen(vc);
}
printk("Console: switching ");
if (!deflt)
......@@ -2773,7 +2761,7 @@ static void vesa_powerdown(void)
void do_blank_screen(int entering_gfx)
{
int currcons = fg_console;
struct vc_data *vc = vc_cons[fg_console].d;
int i;
WARN_CONSOLE_UNLOCKED();
......@@ -2792,11 +2780,11 @@ void do_blank_screen(int entering_gfx)
/* entering graphics mode? */
if (entering_gfx) {
hide_cursor(vc_cons[currcons].d);
save_screen(currcons);
sw->con_blank(vc_cons[currcons].d, -1, 1);
hide_cursor(vc);
save_screen(vc);
sw->con_blank(vc, -1, 1);
console_blanked = fg_console + 1;
set_origin(currcons);
set_origin(vc);
return;
}
......@@ -2806,16 +2794,16 @@ void do_blank_screen(int entering_gfx)
return;
}
hide_cursor(vc_cons[currcons].d);
hide_cursor(vc);
del_timer_sync(&console_timer);
blank_timer_expired = 0;
save_screen(currcons);
save_screen(vc);
/* In case we need to reset origin, blanking hook returns 1 */
i = sw->con_blank(vc_cons[currcons].d, 1, 0);
i = sw->con_blank(vc, 1, 0);
console_blanked = fg_console + 1;
if (i)
set_origin(currcons);
set_origin(vc);
if (console_blank_hook && console_blank_hook(1))
return;
......@@ -2826,7 +2814,7 @@ void do_blank_screen(int entering_gfx)
}
if (vesa_blank_mode)
sw->con_blank(vc_cons[currcons].d, vesa_blank_mode + 1, 0);
sw->con_blank(vc, vesa_blank_mode + 1, 0);
}
EXPORT_SYMBOL(do_blank_screen);
......@@ -2835,7 +2823,7 @@ EXPORT_SYMBOL(do_blank_screen);
*/
void do_unblank_screen(int leaving_gfx)
{
int currcons;
struct vc_data *vc;
WARN_CONSOLE_UNLOCKED();
......@@ -2847,7 +2835,7 @@ void do_unblank_screen(int leaving_gfx)
printk("unblank_screen: tty %d not allocated ??\n", fg_console+1);
return;
}
currcons = fg_console;
vc = vc_cons[fg_console].d;
if (vcmode != KD_TEXT)
return; /* but leave console_blanked != 0 */
......@@ -2857,13 +2845,13 @@ void do_unblank_screen(int leaving_gfx)
}
console_blanked = 0;
if (sw->con_blank(vc_cons[currcons].d, 0, leaving_gfx))
if (sw->con_blank(vc, 0, leaving_gfx))
/* Low-level driver cannot restore -> do it ourselves */
update_screen(fg_console);
update_screen(vc);
if (console_blank_hook)
console_blank_hook(0);
set_palette(currcons);
set_cursor(vc_cons[fg_console].d);
set_palette(vc);
set_cursor(vc);
}
EXPORT_SYMBOL(do_unblank_screen);
......@@ -2913,12 +2901,12 @@ void poke_blanked_console(void)
* Palettes
*/
void set_palette(int currcons)
void set_palette(struct vc_data *vc)
{
WARN_CONSOLE_UNLOCKED();
if (vcmode != KD_GRAPHICS)
sw->con_set_palette(vc_cons[currcons].d, color_table);
sw->con_set_palette(vc, color_table);
}
static int set_get_cmap(unsigned char __user *arg, int set)
......@@ -2945,7 +2933,7 @@ static int set_get_cmap(unsigned char __user *arg, int set)
vc_cons[i].d->vc_palette[k++] = default_grn[j];
vc_cons[i].d->vc_palette[k++] = default_blu[j];
}
set_palette(i);
set_palette(vc_cons[i].d);
}
}
return 0;
......@@ -2978,7 +2966,7 @@ int con_get_cmap(unsigned char __user *arg)
return rc;
}
void reset_palette(int currcons)
void reset_palette(struct vc_data *vc)
{
int j, k;
for (j=k=0; j<16; j++) {
......@@ -2986,7 +2974,7 @@ void reset_palette(int currcons)
palette[k++] = default_grn[j];
palette[k++] = default_blu[j];
}
set_palette(currcons);
set_palette(vc);
}
/*
......@@ -3004,13 +2992,13 @@ void reset_palette(int currcons)
#define max_font_size 65536
int con_font_get(int currcons, struct console_font_op *op)
int con_font_get(struct vc_data *vc, struct console_font_op *op)
{
struct console_font font;
int rc = -EINVAL;
int c;
if (vt_cons[currcons]->vc_mode != KD_TEXT)
if (vt_cons[vc->vc_num]->vc_mode != KD_TEXT)
return -EINVAL;
if (op->data) {
......@@ -3022,7 +3010,7 @@ int con_font_get(int currcons, struct console_font_op *op)
acquire_console_sem();
if (sw->con_font_get)
rc = sw->con_font_get(vc_cons[currcons].d, &font);
rc = sw->con_font_get(vc, &font);
else
rc = -ENOSYS;
release_console_sem();
......@@ -3059,13 +3047,13 @@ int con_font_get(int currcons, struct console_font_op *op)
return rc;
}
int con_font_set(int currcons, struct console_font_op *op)
int con_font_set(struct vc_data *vc, struct console_font_op *op)
{
struct console_font font;
int rc = -EINVAL;
int size;
if (vt_cons[currcons]->vc_mode != KD_TEXT)
if (vt_cons[vc->vc_num]->vc_mode != KD_TEXT)
return -EINVAL;
if (!op->data)
return -EINVAL;
......@@ -3108,7 +3096,7 @@ int con_font_set(int currcons, struct console_font_op *op)
}
acquire_console_sem();
if (sw->con_font_set)
rc = sw->con_font_set(vc_cons[currcons].d, &font, op->flags);
rc = sw->con_font_set(vc, &font, op->flags);
else
rc = -ENOSYS;
release_console_sem();
......@@ -3116,14 +3104,14 @@ int con_font_set(int currcons, struct console_font_op *op)
return rc;
}
int con_font_default(int currcons, struct console_font_op *op)
int con_font_default(struct vc_data *vc, struct console_font_op *op)
{
struct console_font font = {.width = op->width, .height = op->height};
char name[MAX_FONT_NAME];
char *s = name;
int rc;
if (vt_cons[currcons]->vc_mode != KD_TEXT)
if (vt_cons[vc->vc_num]->vc_mode != KD_TEXT)
return -EINVAL;
if (!op->data)
......@@ -3135,7 +3123,7 @@ int con_font_default(int currcons, struct console_font_op *op)
acquire_console_sem();
if (sw->con_font_default)
rc = sw->con_font_default(vc_cons[currcons].d, &font, s);
rc = sw->con_font_default(vc, &font, s);
else
rc = -ENOSYS;
release_console_sem();
......@@ -3146,17 +3134,15 @@ int con_font_default(int currcons, struct console_font_op *op)
return rc;
}
int con_font_copy(int currcons, struct console_font_op *op)
int con_font_copy(struct vc_data *vc, struct console_font_op *op)
{
int con = op->height;
struct vc_data *vc;
int rc;
if (vt_cons[currcons]->vc_mode != KD_TEXT)
if (vt_cons[vc->vc_num]->vc_mode != KD_TEXT)
return -EINVAL;
acquire_console_sem();
vc = vc_cons[currcons].d;
if (!sw->con_font_copy)
rc = -ENOSYS;
else if (con < 0 || !vc_cons_allocated(con))
......@@ -3169,17 +3155,17 @@ int con_font_copy(int currcons, struct console_font_op *op)
return rc;
}
int con_font_op(int currcons, struct console_font_op *op)
int con_font_op(struct vc_data *vc, struct console_font_op *op)
{
switch (op->op) {
case KD_FONT_OP_SET:
return con_font_set(currcons, op);
return con_font_set(vc, op);
case KD_FONT_OP_GET:
return con_font_get(currcons, op);
return con_font_get(vc, op);
case KD_FONT_OP_SET_DEFAULT:
return con_font_default(currcons, op);
return con_font_default(vc, op);
case KD_FONT_OP_COPY:
return con_font_copy(currcons, op);
return con_font_copy(vc, op);
}
return -ENOSYS;
}
......
drivers/char/vt_ioctl.c
View file @ 716a6639
......@@ -311,7 +311,7 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc
op->height = cfdarg.charheight;
op->charcount = cfdarg.charcount;
op->data = cfdarg.chardata;
return con_font_op(fg_console, op);
return con_font_op(vc_cons[fg_console].d, op);
case GIO_FONTX: {
op->op = KD_FONT_OP_GET;
op->flags = KD_FONT_FLAG_OLD;
......@@ -319,7 +319,7 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc
op->height = cfdarg.charheight;
op->charcount = cfdarg.charcount;
op->data = cfdarg.chardata;
i = con_font_op(fg_console, op);
i = con_font_op(vc_cons[fg_console].d, op);
if (i)
return i;
cfdarg.charheight = op->height;
......@@ -333,7 +333,7 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc
}
static inline int
do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, unsigned int console)
do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, struct vc_data *vc)
{
struct unimapdesc tmp;
int i = 0;
......@@ -349,11 +349,11 @@ do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, unsigned i
case PIO_UNIMAP:
if (!perm)
return -EPERM;
return con_set_unimap(console, tmp.entry_ct, tmp.entries);
return con_set_unimap(vc, tmp.entry_ct, tmp.entries);
case GIO_UNIMAP:
if (!perm && fg_console != console)
if (!perm && fg_console != vc->vc_num)
return -EPERM;
return con_get_unimap(console, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);
return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);
}
return 0;
}
......@@ -796,7 +796,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
* make sure we are atomic with respect to
* other console switches..
*/
complete_change_console(newvt);
complete_change_console(vc_cons[newvt].d);
release_console_sem();
}
}
......@@ -852,7 +852,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
return -EFAULT;
for (i = 0; i < MAX_NR_CONSOLES; i++) {
acquire_console_sem();
vc_resize(i, cc, ll);
vc_resize(vc_cons[i].d, cc, ll);
release_console_sem();
}
return 0;
......@@ -900,7 +900,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
vc_cons[i].d->vc_scan_lines = vlin;
if (clin)
vc_cons[i].d->vc_font.height = clin;
vc_resize(i, cc, ll);
vc_resize(vc_cons[i].d, cc, ll);
release_console_sem();
}
return 0;
......@@ -915,7 +915,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
op.height = 0;
op.charcount = 256;
op.data = up;
return con_font_op(fg_console, &op);
return con_font_op(vc_cons[fg_console].d, &op);
}
case GIO_FONT: {
......@@ -925,7 +925,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
op.height = 32;
op.charcount = 256;
op.data = up;
return con_font_op(fg_console, &op);
return con_font_op(vc_cons[fg_console].d, &op);
}
case PIO_CMAP:
......@@ -953,9 +953,10 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
{
op.op = KD_FONT_OP_SET_DEFAULT;
op.data = NULL;
i = con_font_op(fg_console, &op);
if (i) return i;
con_set_default_unimap(fg_console);
i = con_font_op(vc_cons[fg_console].d, &op);
if (i)
return i;
con_set_default_unimap(vc_cons[fg_console].d);
return 0;
}
#endif
......@@ -966,7 +967,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
return -EFAULT;
if (!perm && op.op != KD_FONT_OP_GET)
return -EPERM;
i = con_font_op(console, &op);
i = con_font_op(vc, &op);
if (i) return i;
if (copy_to_user(up, &op, sizeof(op)))
return -EFAULT;
......@@ -995,13 +996,13 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
return -EPERM;
i = copy_from_user(&ui, up, sizeof(struct unimapinit));
if (i) return -EFAULT;
con_clear_unimap(console, &ui);
con_clear_unimap(vc, &ui);
return 0;
}
case PIO_UNIMAP:
case GIO_UNIMAP:
return do_unimap_ioctl(cmd, up, perm, console);
return do_unimap_ioctl(cmd, up, perm, vc);
case VT_LOCKSWITCH:
if (!capable(CAP_SYS_TTY_CONFIG))
......@@ -1054,26 +1055,29 @@ int vt_waitactive(int vt)
#define vt_wake_waitactive() wake_up(&vt_activate_queue)
void reset_vc(unsigned int new_console)
void reset_vc(struct vc_data *vc)
{
vt_cons[new_console]->vc_mode = KD_TEXT;
kbd_table[new_console].kbdmode = VC_XLATE;
vt_cons[new_console]->vt_mode.mode = VT_AUTO;
vt_cons[new_console]->vt_mode.waitv = 0;
vt_cons[new_console]->vt_mode.relsig = 0;
vt_cons[new_console]->vt_mode.acqsig = 0;
vt_cons[new_console]->vt_mode.frsig = 0;
vt_cons[new_console]->vt_pid = -1;
vt_cons[new_console]->vt_newvt = -1;
struct vt_struct *vt = vt_cons[vc->vc_num];
vt->vc_mode = KD_TEXT;
kbd_table[vc->vc_num].kbdmode = VC_XLATE;
vt->vt_mode.mode = VT_AUTO;
vt->vt_mode.waitv = 0;
vt->vt_mode.relsig = 0;
vt->vt_mode.acqsig = 0;
vt->vt_mode.frsig = 0;
vt->vt_pid = -1;
vt->vt_newvt = -1;
if (!in_interrupt()) /* Via keyboard.c:SAK() - akpm */
reset_palette(new_console) ;
reset_palette(vc);
}
/*
* Performs the back end of a vt switch
*/
void complete_change_console(unsigned int new_console)
void complete_change_console(struct vc_data *vc)
{
unsigned int new_console = vc->vc_num;
unsigned char old_vc_mode;
last_console = fg_console;
......@@ -1084,7 +1088,7 @@ void complete_change_console(unsigned int new_console)
* unblank the screen later.
*/
old_vc_mode = vt_cons[fg_console]->vc_mode;
switch_screen(new_console);
switch_screen(vc);
/*
* This can't appear below a successful kill_proc(). If it did,
......@@ -1129,7 +1133,7 @@ void complete_change_console(unsigned int new_console)
* this outside of VT_PROCESS but there is no single process
* to account for and tracking tty count may be undesirable.
*/
reset_vc(new_console);
reset_vc(vc);
if (old_vc_mode != vt_cons[new_console]->vc_mode)
{
......@@ -1151,11 +1155,9 @@ void complete_change_console(unsigned int new_console)
/*
* Performs the front-end of a vt switch
*/
void change_console(unsigned int new_console)
void change_console(struct vc_data *new_vc)
{
if ((new_console == fg_console) || (vt_dont_switch))
return;
if (!vc_cons_allocated(new_console))
if (!new_vc || new_vc->vc_num == fg_console || vt_dont_switch)
return;
/*
......@@ -1189,7 +1191,7 @@ void change_console(unsigned int new_console)
* return. The process needs to send us a
* VT_RELDISP ioctl to complete the switch.
*/
vt_cons[fg_console]->vt_newvt = new_console;
vt_cons[fg_console]->vt_newvt = new_vc->vc_num;
return;
}
......@@ -1202,7 +1204,7 @@ void change_console(unsigned int new_console)
* this outside of VT_PROCESS but there is no single process
* to account for and tracking tty count may be undesirable.
*/
reset_vc(fg_console);
reset_vc(vc_cons[fg_console].d);
/*
* Fall through to normal (VT_AUTO) handling of the switch...
......@@ -1215,5 +1217,5 @@ void change_console(unsigned int new_console)
if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS)
return;
complete_change_console(new_console);
complete_change_console(new_vc);
}
drivers/video/console/dummycon.c
View file @ 716a6639
......@@ -42,7 +42,7 @@ static void dummycon_init(struct vc_data *vc, int init)
vc->vc_cols = DUMMY_COLUMNS;
vc->vc_rows = DUMMY_ROWS;
} else
vc_resize(vc->vc_num, DUMMY_COLUMNS, DUMMY_ROWS);
vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS);
}
static int dummycon_dummy(void)
......
drivers/video/console/fbcon.c
View file @ 716a6639
......@@ -458,7 +458,7 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
if (CON_IS_VISIBLE(vc) && vt_cons[vc->vc_num]->vc_mode == KD_TEXT) {
fbcon_clear_margins(vc, 0);
update_screen(vc->vc_num);
update_screen(vc);
}
if (save) {
......@@ -609,7 +609,7 @@ static void con2fb_init_display(struct vc_data *vc, struct fb_info *info,
fg_vc->vc_rows);
}
switch_screen(fg_console);
update_screen(vc_cons[fg_console].d);
}
/**
......@@ -802,7 +802,7 @@ static const char *fbcon_startup(void)
cols = info->var.xres / vc->vc_font.width;
rows = info->var.yres / vc->vc_font.height;
vc_resize(vc->vc_num, cols, rows);
vc_resize(vc, cols, rows);
DPRINTK("mode: %s\n", info->fix.id);
DPRINTK("visual: %d\n", info->fix.visual);
......@@ -890,13 +890,12 @@ static void fbcon_init(struct vc_data *vc, int init)
struct vc_data **default_mode = vc->vc_display_fg;
struct vc_data *svc = *default_mode;
struct display *t, *p = &fb_display[vc->vc_num];
int display_fg = (*default_mode)->vc_num;
int logo = 1, new_rows, new_cols, rows, cols, charcnt = 256;
int cap = info->flags;
if (info_idx == -1 || info == NULL)
return;
if (vc->vc_num != display_fg || logo_shown == FBCON_LOGO_DONTSHOW ||
if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW ||
(info->fix.type == FB_TYPE_TEXT))
logo = 0;
......@@ -907,7 +906,7 @@ static void fbcon_init(struct vc_data *vc, int init)
/* If we are not the first console on this
fb, copy the font from that console */
t = &fb_display[display_fg];
t = &fb_display[svc->vc_num];
if (!vc->vc_font.data) {
vc->vc_font.data = p->fontdata = t->fontdata;
vc->vc_font.width = (*default_mode)->vc_font.width;
......@@ -929,15 +928,15 @@ static void fbcon_init(struct vc_data *vc, int init)
}
if (!*svc->vc_uni_pagedir_loc)
con_set_default_unimap(display_fg);
con_set_default_unimap(svc);
if (!*vc->vc_uni_pagedir_loc)
con_copy_unimap(vc->vc_num, display_fg);
con_copy_unimap(vc, svc);
cols = vc->vc_cols;
rows = vc->vc_rows;
new_cols = info->var.xres / vc->vc_font.width;
new_rows = info->var.yres / vc->vc_font.height;
vc_resize(vc->vc_num, new_cols, new_rows);
vc_resize(vc, new_cols, new_rows);
/*
* We must always set the mode. The mode of the previous console
* driver could be in the same resolution but we are using different
......@@ -968,7 +967,7 @@ static void fbcon_init(struct vc_data *vc, int init)
if (logo)
fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);
if (vc->vc_num == display_fg && softback_buf) {
if (vc == svc && softback_buf) {
int l = fbcon_softback_size / vc->vc_size_row;
if (l > 5)
softback_end = softback_buf + l * vc->vc_size_row;
......@@ -1144,13 +1143,12 @@ static void fbcon_set_disp(struct fb_info *info, struct vc_data *vc)
struct display *p = &fb_display[vc->vc_num], *t;
struct vc_data **default_mode = vc->vc_display_fg;
struct vc_data *svc = *default_mode;
int display_fg = (*default_mode)->vc_num;
int rows, cols, charcnt = 256;
info->var.xoffset = info->var.yoffset = p->yscroll = 0;
if (var_to_display(p, &info->var, info))
return;
t = &fb_display[display_fg];
t = &fb_display[svc->vc_num];
if (!vc->vc_font.data) {
vc->vc_font.data = p->fontdata = t->fontdata;
vc->vc_font.width = (*default_mode)->vc_font.width;
......@@ -1173,15 +1171,15 @@ static void fbcon_set_disp(struct fb_info *info, struct vc_data *vc)
}
if (!*svc->vc_uni_pagedir_loc)
con_set_default_unimap(display_fg);
con_set_default_unimap(svc);
if (!*vc->vc_uni_pagedir_loc)
con_copy_unimap(vc->vc_num, display_fg);
con_copy_unimap(vc, svc);
cols = info->var.xres / vc->vc_font.width;
rows = info->var.yres / vc->vc_font.height;
vc_resize(vc->vc_num, cols, rows);
vc_resize(vc, cols, rows);
if (CON_IS_VISIBLE(vc)) {
update_screen(vc->vc_num);
update_screen(vc);
if (softback_buf) {
int l = fbcon_softback_size / vc->vc_size_row;
......@@ -1987,7 +1985,7 @@ static int fbcon_switch(struct vc_data *vc)
logo_shown = fg_console;
/* This is protected above by initmem_freed */
fb_show_logo(info);
update_region(fg_console,
update_region(vc,
vc->vc_origin + vc->vc_size_row * vc->vc_top,
vc->vc_size_row * (vc->vc_bottom -
vc->vc_top) / 2);
......@@ -2048,7 +2046,7 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
}
if (!blank)
update_screen(vc->vc_num);
update_screen(vc);
}
return 0;
......@@ -2198,7 +2196,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
if (resize) {
/* reset wrap/pan */
info->var.xoffset = info->var.yoffset = p->yscroll = 0;
vc_resize(vc->vc_num, info->var.xres / w, info->var.yres / h);
vc_resize(vc, info->var.xres / w, info->var.yres / h);
if (CON_IS_VISIBLE(vc) && softback_buf) {
int l = fbcon_softback_size / vc->vc_size_row;
if (l > 5)
......@@ -2213,7 +2211,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
} else if (CON_IS_VISIBLE(vc)
&& vt_cons[vc->vc_num]->vc_mode == KD_TEXT) {
fbcon_clear_margins(vc, 0);
update_screen(vc->vc_num);
update_screen(vc);
}
if (old_data && (--REFCOUNT(old_data) == 0))
......@@ -2464,7 +2462,7 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
vc->vc_size_row);
}
softback_in = p;
update_region(vc->vc_num, vc->vc_origin,
update_region(vc, vc->vc_origin,
logo_lines * vc->vc_cols);
}
logo_shown = FBCON_LOGO_CANSHOW;
......@@ -2545,7 +2543,7 @@ static void fbcon_resumed(struct fb_info *info)
return;
vc = vc_cons[ops->currcon].d;
update_screen(vc->vc_num);
update_screen(vc);
}
static void fbcon_modechanged(struct fb_info *info)
......@@ -2569,13 +2567,13 @@ static void fbcon_modechanged(struct fb_info *info)
var_to_display(p, &info->var, info);
cols = info->var.xres / vc->vc_font.width;
rows = info->var.yres / vc->vc_font.height;
vc_resize(vc->vc_num, cols, rows);
vc_resize(vc, cols, rows);
updatescrollmode(p, info, vc);
scrollback_max = 0;
scrollback_current = 0;
update_var(vc->vc_num, info);
fbcon_set_palette(vc, color_table);
update_screen(vc->vc_num);
update_screen(vc);
if (softback_buf) {
int l = fbcon_softback_size / vc->vc_size_row;
if (l > 5)
......
drivers/video/console/mdacon.c
View file @ 716a6639
......@@ -351,10 +351,9 @@ static void mdacon_init(struct vc_data *c, int init)
if (init) {
c->vc_cols = mda_num_columns;
c->vc_rows = mda_num_lines;
} else {
vc_resize(c->vc_num, mda_num_columns, mda_num_lines);
}
} else
vc_resize(c, mda_num_columns, mda_num_lines);
/* make the first MDA console visible */
if (mda_display_fg == NULL)
......
drivers/video/console/promcon.c
View file @ 716a6639
......@@ -155,9 +155,9 @@ promcon_init_unimap(struct vc_data *conp)
k++;
}
set_fs(KERNEL_DS);
con_clear_unimap(conp->vc_num, NULL);
con_set_unimap(conp->vc_num, k, p);
con_protect_unimap(conp->vc_num, 1);
con_clear_unimap(conp, NULL);
con_set_unimap(conp, k, p);
con_protect_unimap(conp, 1);
set_fs(old_fs);
kfree(p);
}
......@@ -175,7 +175,7 @@ promcon_init(struct vc_data *conp, int init)
p = *conp->vc_uni_pagedir_loc;
if (conp->vc_uni_pagedir_loc == &conp->vc_uni_pagedir ||
!--conp->vc_uni_pagedir_loc[1])
con_free_unimap(conp->vc_num);
con_free_unimap(conp);
conp->vc_uni_pagedir_loc = promcon_uni_pagedir;
promcon_uni_pagedir[1]++;
if (!promcon_uni_pagedir[0] && p) {
......@@ -183,7 +183,7 @@ promcon_init(struct vc_data *conp, int init)
}
if (!init) {
if (conp->vc_cols != pw + 1 || conp->vc_rows != ph + 1)
vc_resize(conp->vc_num, pw + 1, ph + 1);
vc_resize(conp, pw + 1, ph + 1);
}
}
......@@ -192,9 +192,9 @@ promcon_deinit(struct vc_data *conp)
{
/* When closing the last console, reset video origin */
if (!--promcon_uni_pagedir[1])
con_free_unimap(conp->vc_num);
con_free_unimap(conp);
conp->vc_uni_pagedir_loc = &conp->vc_uni_pagedir;
con_set_default_unimap(conp->vc_num);
con_set_default_unimap(conp);
}
static int
......
drivers/video/console/sticon.c
View file @ 716a6639
......@@ -217,7 +217,7 @@ static void sticon_init(struct vc_data *c, int init)
} else {
/* vc_rows = (c->vc_rows > vc_rows) ? vc_rows : c->vc_rows; */
/* vc_cols = (c->vc_cols > vc_cols) ? vc_cols : c->vc_cols; */
vc_resize(c->vc_num, vc_cols, vc_rows);
vc_resize(c, vc_cols, vc_rows);
/* vc_resize_con(vc_rows, vc_cols, c->vc_num); */
}
}
......
drivers/video/console/vgacon.c
View file @ 716a6639
......@@ -340,11 +340,11 @@ static void vgacon_init(struct vc_data *c, int init)
p = *c->vc_uni_pagedir_loc;
if (c->vc_uni_pagedir_loc == &c->vc_uni_pagedir ||
!--c->vc_uni_pagedir_loc[1])
con_free_unimap(c->vc_num);
con_free_unimap(c);
c->vc_uni_pagedir_loc = vgacon_uni_pagedir;
vgacon_uni_pagedir[1]++;
if (!vgacon_uni_pagedir[0] && p)
con_set_default_unimap(c->vc_num);
con_set_default_unimap(c);
}
static inline void vga_set_mem_top(struct vc_data *c)
......@@ -358,10 +358,10 @@ static void vgacon_deinit(struct vc_data *c)
if (!--vgacon_uni_pagedir[1]) {
c->vc_visible_origin = vga_vram_base;
vga_set_mem_top(c);
con_free_unimap(c->vc_num);
con_free_unimap(c);
}
c->vc_uni_pagedir_loc = &c->vc_uni_pagedir;
con_set_default_unimap(c->vc_num);
con_set_default_unimap(c);
}
static u8 vgacon_build_attr(struct vc_data *c, u8 color, u8 intensity,
......@@ -908,7 +908,7 @@ static int vgacon_adjust_height(struct vc_data *vc, unsigned fontheight)
c->vc_sw->con_cursor(c, CM_DRAW);
}
c->vc_font.height = fontheight;
vc_resize(c->vc_num, 0, rows); /* Adjust console size */
vc_resize(c, 0, rows); /* Adjust console size */
}
}
return 0;
......
fs/compat_ioctl.c
View file @ 716a6639
......@@ -1559,7 +1559,7 @@ static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg,
get_user(data, &user_cfd->chardata))
return -EFAULT;
op.data = compat_ptr(data);
return con_font_op(fg_console, &op);
return con_font_op(vc_cons[fg_console].d, &op);
case GIO_FONTX:
op.op = KD_FONT_OP_GET;
op.flags = 0;
......@@ -1571,7 +1571,7 @@ static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg,
if (!data)
return 0;
op.data = compat_ptr(data);
i = con_font_op(fg_console, &op);
i = con_font_op(vc_cons[fg_console].d, &op);
if (i)
return i;
if (put_user(op.height, &user_cfd->charheight) ||
......@@ -1608,7 +1608,7 @@ static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long ar
op.data = compat_ptr(((struct console_font_op32 *)&op)->data);
op.flags |= KD_FONT_FLAG_OLD;
vt = (struct vt_struct *)((struct tty_struct *)file->private_data)->driver_data;
i = con_font_op(vt->vc_num, &op);
i = con_font_op(vc_cons[vt->vc_num].d, &op);
if (i) return i;
((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
if (copy_to_user(fontop, &op, sizeof(struct console_font_op32)))
......@@ -1633,9 +1633,9 @@ static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg,
switch (cmd) {
case PIO_UNIMAP:
if (!perm) return -EPERM;
return con_set_unimap(fg_console, tmp.entry_ct, compat_ptr(tmp.entries));
return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries));
case GIO_UNIMAP:
return con_get_unimap(fg_console, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries));
}
return 0;
}
......
include/linux/consolemap.h
View file @ 716a6639
......@@ -11,5 +11,5 @@
struct vc_data;
extern unsigned char inverse_translate(struct vc_data *conp, int glyph);
extern unsigned short *set_translate(int m,int currcons);
extern unsigned short *set_translate(int m, struct vc_data *vc);
extern int conv_uni_to_pc(struct vc_data *conp, long ucs);
include/linux/vt_kern.h
View file @ 716a6639
......@@ -41,25 +41,25 @@ extern int kbd_rate(struct kbd_repeat *rep);
int vc_allocate(unsigned int console);
int vc_cons_allocated(unsigned int console);
int vc_resize(int currcons, unsigned int cols, unsigned int lines);
int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines);
void vc_disallocate(unsigned int console);
void reset_palette(int currcons);
void set_palette(int currcons);
void reset_palette(struct vc_data *vc);
void set_palette(struct vc_data *vc);
void do_blank_screen(int entering_gfx);
void do_unblank_screen(int leaving_gfx);
void unblank_screen(void);
void poke_blanked_console(void);
int con_font_op(int currcons, struct console_font_op *op);
int con_font_set(int currcons, struct console_font_op *op);
int con_font_get(int currcons, struct console_font_op *op);
int con_font_default(int currcons, struct console_font_op *op);
int con_font_copy(int currcons, struct console_font_op *op);
int con_font_op(struct vc_data *vc, struct console_font_op *op);
int con_font_set(struct vc_data *vc, struct console_font_op *op);
int con_font_get(struct vc_data *vc, struct console_font_op *op);
int con_font_default(struct vc_data *vc, struct console_font_op *op);
int con_font_copy(struct vc_data *vc, struct console_font_op *op);
int con_set_cmap(unsigned char __user *cmap);
int con_get_cmap(unsigned char __user *cmap);
void scrollback(int);
void scrollfront(int);
void update_region(int currcons, unsigned long start, int count);
void redraw_screen(int new_console, int is_switch);
void scrollback(struct vc_data *vc, int lines);
void scrollfront(struct vc_data *vc, int lines);
void update_region(struct vc_data *vc, unsigned long start, int count);
void redraw_screen(struct vc_data *vc, int is_switch);
#define update_screen(x) redraw_screen(x, 0)
#define switch_screen(x) redraw_screen(x, 1)
......@@ -75,19 +75,19 @@ int con_set_trans_old(unsigned char __user * table);
int con_get_trans_old(unsigned char __user * table);
int con_set_trans_new(unsigned short __user * table);
int con_get_trans_new(unsigned short __user * table);
int con_clear_unimap(int currcons, struct unimapinit *ui);
int con_set_unimap(int currcons, ushort ct, struct unipair __user *list);
int con_get_unimap(int currcons, ushort ct, ushort __user *uct, struct unipair __user *list);
int con_set_default_unimap(int currcons);
void con_free_unimap(int currcons);
void con_protect_unimap(int currcons, int rdonly);
int con_copy_unimap(int dstcons, int srccons);
int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui);
int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list);
int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list);
int con_set_default_unimap(struct vc_data *vc);
void con_free_unimap(struct vc_data *vc);
void con_protect_unimap(struct vc_data *vc, int rdonly);
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
/* vt.c */
void complete_change_console(unsigned int new_console);
void complete_change_console(struct vc_data *vc);
int vt_waitactive(int vt);
void change_console(unsigned int);
void reset_vc(unsigned int new_console);
void change_console(struct vc_data *new_vc);
void reset_vc(struct vc_data *vc);
/*
* vc_screen.c shares this temporary buffer with the console write code so that
......
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