mirror of
https://github.com/joel16/android_kernel_sony_msm8994_rework.git
synced 2024-11-27 13:50:53 +00:00
sparc: Kill PROM console driver.
Many years ago when this driver was written, it had a use, but these days it's nothing but trouble and distributions should not enable it in any situation. Pretty much every console device a sparc machine could see has a bonafide real driver, making the PROM console hack unnecessary. If any new device shows up, we should write a driver instead of depending upon this crutch to save us. We've been able to take care of this even when no chip documentation exists (sunxvr500, sunxvr2500) so there are no excuses. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
0cb583fd28
commit
09d3f3f0e0
@ -152,7 +152,6 @@ piggy.gz
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piggyback
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pnmtologo
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ppc_defs.h*
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promcon_tbl.c
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pss_boot.h
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qconf
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raid6altivec*.c
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@ -268,8 +268,6 @@ void __init setup_arch(char **cmdline_p)
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#ifdef CONFIG_DUMMY_CONSOLE
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conswitchp = &dummy_con;
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#elif defined(CONFIG_PROM_CONSOLE)
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conswitchp = &prom_con;
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#endif
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boot_flags_init(*cmdline_p);
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@ -295,8 +295,6 @@ void __init setup_arch(char **cmdline_p)
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#ifdef CONFIG_DUMMY_CONSOLE
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conswitchp = &dummy_con;
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#elif defined(CONFIG_PROM_CONSOLE)
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conswitchp = &prom_con;
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#endif
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idprom_init();
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@ -2948,9 +2948,6 @@ int __init vty_init(const struct file_operations *console_fops)
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panic("Couldn't register console driver\n");
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kbd_init();
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console_map_init();
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#ifdef CONFIG_PROM_CONSOLE
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prom_con_init();
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#endif
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#ifdef CONFIG_MDA_CONSOLE
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mda_console_init();
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#endif
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2
drivers/video/console/.gitignore
vendored
2
drivers/video/console/.gitignore
vendored
@ -1,2 +0,0 @@
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# conmakehash generated file
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promcon_tbl.c
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@ -67,16 +67,9 @@ config SGI_NEWPORT_CONSOLE
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# bool 'IODC console' CONFIG_IODC_CONSOLE
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config PROM_CONSOLE
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bool "PROM console"
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depends on SPARC
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help
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Say Y to build a console driver for Sun machines that uses the
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terminal emulation built into their console PROMS.
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config DUMMY_CONSOLE
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bool
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depends on PROM_CONSOLE!=y || VGA_CONSOLE!=y || SGI_NEWPORT_CONSOLE!=y
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depends on VGA_CONSOLE!=y || SGI_NEWPORT_CONSOLE!=y
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default y
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config DUMMY_CONSOLE_COLUMNS
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@ -22,7 +22,6 @@ font-objs += $(font-objs-y)
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obj-$(CONFIG_DUMMY_CONSOLE) += dummycon.o
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obj-$(CONFIG_SGI_NEWPORT_CONSOLE) += newport_con.o font.o
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obj-$(CONFIG_PROM_CONSOLE) += promcon.o promcon_tbl.o
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obj-$(CONFIG_STI_CONSOLE) += sticon.o sticore.o font.o
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obj-$(CONFIG_VGA_CONSOLE) += vgacon.o
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obj-$(CONFIG_MDA_CONSOLE) += mdacon.o
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@ -40,14 +39,3 @@ obj-$(CONFIG_FB_STI) += sticore.o font.o
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ifeq ($(CONFIG_USB_SISUSBVGA_CON),y)
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obj-$(CONFIG_USB_SISUSBVGA) += font.o
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endif
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# Targets that kbuild needs to know about
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targets := promcon_tbl.c
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quiet_cmd_conmakehash = CNMKHSH $@
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cmd_conmakehash = scripts/conmakehash $< | \
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sed -e '/\#include <[^>]*>/p' -e 's/types/init/' \
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-e 's/dfont\(_uni.*\]\)/promfont\1 /' > $@
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$(obj)/promcon_tbl.c: $(src)/prom.uni
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$(call cmd,conmakehash)
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@ -1,11 +0,0 @@
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#
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# Unicode mapping table for font in Sun PROM
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#
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#
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0x20-0x7e idem
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0xa0-0xff idem
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#
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0x7c U+2502
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0x2d U+2500
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0x2b U+250c U+2510 U+2514 U+2518 U+251c U+2524 U+252c U+2534 U+253c
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0xa4 U+fffd
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@ -1,598 +0,0 @@
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/* $Id: promcon.c,v 1.17 2000/07/26 23:02:52 davem Exp $
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* Console driver utilizing PROM sun terminal emulation
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*
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* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
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* Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/console.h>
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#include <linux/vt_kern.h>
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#include <linux/selection.h>
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#include <linux/fb.h>
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#include <linux/init.h>
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#include <linux/kd.h>
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#include <asm/oplib.h>
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#include <asm/uaccess.h>
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static short pw = 80 - 1, ph = 34 - 1;
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static short px, py;
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static unsigned long promcon_uni_pagedir[2];
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extern u8 promfont_unicount[];
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extern u16 promfont_unitable[];
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#define PROMCON_COLOR 0
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#if PROMCON_COLOR
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#define inverted(s) ((((s) & 0x7700) == 0x0700) ? 0 : 1)
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#else
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#define inverted(s) (((s) & 0x0800) ? 1 : 0)
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#endif
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static __inline__ void
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promcon_puts(char *buf, int cnt)
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{
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prom_printf("%*.*s", cnt, cnt, buf);
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}
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static int
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promcon_start(struct vc_data *conp, char *b)
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{
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unsigned short *s = (unsigned short *)
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(conp->vc_origin + py * conp->vc_size_row + (px << 1));
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u16 cs;
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cs = scr_readw(s);
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if (px == pw) {
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unsigned short *t = s - 1;
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u16 ct = scr_readw(t);
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if (inverted(cs) && inverted(ct))
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return sprintf(b, "\b\033[7m%c\b\033[@%c\033[m", cs,
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ct);
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else if (inverted(cs))
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return sprintf(b, "\b\033[7m%c\033[m\b\033[@%c", cs,
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ct);
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else if (inverted(ct))
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return sprintf(b, "\b%c\b\033[@\033[7m%c\033[m", cs,
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ct);
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else
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return sprintf(b, "\b%c\b\033[@%c", cs, ct);
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}
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if (inverted(cs))
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return sprintf(b, "\033[7m%c\033[m\b", cs);
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else
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return sprintf(b, "%c\b", cs);
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}
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static int
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promcon_end(struct vc_data *conp, char *b)
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{
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unsigned short *s = (unsigned short *)
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(conp->vc_origin + py * conp->vc_size_row + (px << 1));
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char *p = b;
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u16 cs;
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b += sprintf(b, "\033[%d;%dH", py + 1, px + 1);
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cs = scr_readw(s);
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if (px == pw) {
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unsigned short *t = s - 1;
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u16 ct = scr_readw(t);
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if (inverted(cs) && inverted(ct))
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b += sprintf(b, "\b%c\b\033[@\033[7m%c\033[m", cs, ct);
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else if (inverted(cs))
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b += sprintf(b, "\b%c\b\033[@%c", cs, ct);
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else if (inverted(ct))
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b += sprintf(b, "\b\033[7m%c\b\033[@%c\033[m", cs, ct);
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else
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b += sprintf(b, "\b\033[7m%c\033[m\b\033[@%c", cs, ct);
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return b - p;
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}
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if (inverted(cs))
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b += sprintf(b, "%c\b", cs);
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else
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b += sprintf(b, "\033[7m%c\033[m\b", cs);
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return b - p;
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}
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const char *promcon_startup(void)
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{
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const char *display_desc = "PROM";
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int node;
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char buf[40];
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node = prom_getchild(prom_root_node);
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node = prom_searchsiblings(node, "options");
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if (prom_getproperty(node, "screen-#columns", buf, 40) != -1) {
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pw = simple_strtoul(buf, NULL, 0);
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if (pw < 10 || pw > 256)
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pw = 80;
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pw--;
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}
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if (prom_getproperty(node, "screen-#rows", buf, 40) != -1) {
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ph = simple_strtoul(buf, NULL, 0);
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if (ph < 10 || ph > 256)
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ph = 34;
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ph--;
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}
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promcon_puts("\033[H\033[J", 6);
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return display_desc;
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}
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static void
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promcon_init_unimap(struct vc_data *conp)
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{
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mm_segment_t old_fs = get_fs();
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struct unipair *p, *p1;
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u16 *q;
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int i, j, k;
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p = kmalloc(256*sizeof(struct unipair), GFP_KERNEL);
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if (!p) return;
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q = promfont_unitable;
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p1 = p;
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k = 0;
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for (i = 0; i < 256; i++)
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for (j = promfont_unicount[i]; j; j--) {
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p1->unicode = *q++;
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p1->fontpos = i;
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p1++;
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k++;
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}
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set_fs(KERNEL_DS);
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con_clear_unimap(conp, NULL);
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con_set_unimap(conp, k, p);
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con_protect_unimap(conp, 1);
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set_fs(old_fs);
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kfree(p);
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}
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static void
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promcon_init(struct vc_data *conp, int init)
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{
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unsigned long p;
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conp->vc_can_do_color = PROMCON_COLOR;
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if (init) {
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conp->vc_cols = pw + 1;
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conp->vc_rows = ph + 1;
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}
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p = *conp->vc_uni_pagedir_loc;
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if (conp->vc_uni_pagedir_loc == &conp->vc_uni_pagedir ||
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!--conp->vc_uni_pagedir_loc[1])
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con_free_unimap(conp);
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conp->vc_uni_pagedir_loc = promcon_uni_pagedir;
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promcon_uni_pagedir[1]++;
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if (!promcon_uni_pagedir[0] && p) {
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promcon_init_unimap(conp);
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}
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if (!init) {
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if (conp->vc_cols != pw + 1 || conp->vc_rows != ph + 1)
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vc_resize(conp, pw + 1, ph + 1);
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}
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}
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static void
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promcon_deinit(struct vc_data *conp)
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{
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/* When closing the last console, reset video origin */
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if (!--promcon_uni_pagedir[1])
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con_free_unimap(conp);
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conp->vc_uni_pagedir_loc = &conp->vc_uni_pagedir;
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con_set_default_unimap(conp);
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}
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static int
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promcon_switch(struct vc_data *conp)
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{
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return 1;
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}
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static unsigned short *
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promcon_repaint_line(unsigned short *s, unsigned char *buf, unsigned char **bp)
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{
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int cnt = pw + 1;
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int attr = -1;
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unsigned char *b = *bp;
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while (cnt--) {
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u16 c = scr_readw(s);
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if (attr != inverted(c)) {
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attr = inverted(c);
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if (attr) {
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strcpy (b, "\033[7m");
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b += 4;
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} else {
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strcpy (b, "\033[m");
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b += 3;
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}
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}
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*b++ = c;
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s++;
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if (b - buf >= 224) {
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promcon_puts(buf, b - buf);
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b = buf;
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}
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}
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*bp = b;
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return s;
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}
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static void
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promcon_putcs(struct vc_data *conp, const unsigned short *s,
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int count, int y, int x)
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{
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unsigned char buf[256], *b = buf;
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unsigned short attr = scr_readw(s);
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unsigned char save;
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int i, last = 0;
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if (console_blanked)
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return;
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if (count <= 0)
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return;
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b += promcon_start(conp, b);
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if (x + count >= pw + 1) {
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if (count == 1) {
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x -= 1;
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save = scr_readw((unsigned short *)(conp->vc_origin
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+ y * conp->vc_size_row
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+ (x << 1)));
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if (px != x || py != y) {
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b += sprintf(b, "\033[%d;%dH", y + 1, x + 1);
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px = x;
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py = y;
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}
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if (inverted(attr))
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b += sprintf(b, "\033[7m%c\033[m", scr_readw(s++));
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else
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b += sprintf(b, "%c", scr_readw(s++));
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strcpy(b, "\b\033[@");
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b += 4;
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if (inverted(save))
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b += sprintf(b, "\033[7m%c\033[m", save);
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else
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b += sprintf(b, "%c", save);
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px++;
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b += promcon_end(conp, b);
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promcon_puts(buf, b - buf);
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return;
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} else {
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last = 1;
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count = pw - x - 1;
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}
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}
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if (inverted(attr)) {
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strcpy(b, "\033[7m");
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b += 4;
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}
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if (px != x || py != y) {
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b += sprintf(b, "\033[%d;%dH", y + 1, x + 1);
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px = x;
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py = y;
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}
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for (i = 0; i < count; i++) {
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if (b - buf >= 224) {
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promcon_puts(buf, b - buf);
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b = buf;
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}
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*b++ = scr_readw(s++);
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}
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px += count;
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if (last) {
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save = scr_readw(s++);
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b += sprintf(b, "%c\b\033[@%c", scr_readw(s++), save);
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px++;
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}
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if (inverted(attr)) {
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strcpy(b, "\033[m");
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b += 3;
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}
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b += promcon_end(conp, b);
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promcon_puts(buf, b - buf);
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}
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static void
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promcon_putc(struct vc_data *conp, int c, int y, int x)
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{
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unsigned short s;
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if (console_blanked)
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return;
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scr_writew(c, &s);
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promcon_putcs(conp, &s, 1, y, x);
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}
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static void
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promcon_clear(struct vc_data *conp, int sy, int sx, int height, int width)
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{
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unsigned char buf[256], *b = buf;
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int i, j;
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if (console_blanked)
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return;
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b += promcon_start(conp, b);
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if (!sx && width == pw + 1) {
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if (!sy && height == ph + 1) {
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strcpy(b, "\033[H\033[J");
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b += 6;
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b += promcon_end(conp, b);
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promcon_puts(buf, b - buf);
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return;
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} else if (sy + height == ph + 1) {
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b += sprintf(b, "\033[%dH\033[J", sy + 1);
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b += promcon_end(conp, b);
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promcon_puts(buf, b - buf);
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return;
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}
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b += sprintf(b, "\033[%dH", sy + 1);
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for (i = 1; i < height; i++) {
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strcpy(b, "\033[K\n");
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b += 4;
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}
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strcpy(b, "\033[K");
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b += 3;
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b += promcon_end(conp, b);
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promcon_puts(buf, b - buf);
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return;
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} else if (sx + width == pw + 1) {
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|
||||
b += sprintf(b, "\033[%d;%dH", sy + 1, sx + 1);
|
||||
for (i = 1; i < height; i++) {
|
||||
strcpy(b, "\033[K\n");
|
||||
b += 4;
|
||||
}
|
||||
|
||||
strcpy(b, "\033[K");
|
||||
b += 3;
|
||||
|
||||
b += promcon_end(conp, b);
|
||||
promcon_puts(buf, b - buf);
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = sy + 1; i <= sy + height; i++) {
|
||||
b += sprintf(b, "\033[%d;%dH", i, sx + 1);
|
||||
for (j = 0; j < width; j++)
|
||||
*b++ = ' ';
|
||||
if (b - buf + width >= 224) {
|
||||
promcon_puts(buf, b - buf);
|
||||
b = buf;
|
||||
}
|
||||
}
|
||||
|
||||
b += promcon_end(conp, b);
|
||||
promcon_puts(buf, b - buf);
|
||||
}
|
||||
|
||||
static void
|
||||
promcon_bmove(struct vc_data *conp, int sy, int sx, int dy, int dx,
|
||||
int height, int width)
|
||||
{
|
||||
char buf[256], *b = buf;
|
||||
|
||||
if (console_blanked)
|
||||
return;
|
||||
|
||||
b += promcon_start(conp, b);
|
||||
if (sy == dy && height == 1) {
|
||||
if (dx > sx && dx + width == conp->vc_cols)
|
||||
b += sprintf(b, "\033[%d;%dH\033[%d@\033[%d;%dH",
|
||||
sy + 1, sx + 1, dx - sx, py + 1, px + 1);
|
||||
else if (dx < sx && sx + width == conp->vc_cols)
|
||||
b += sprintf(b, "\033[%d;%dH\033[%dP\033[%d;%dH",
|
||||
dy + 1, dx + 1, sx - dx, py + 1, px + 1);
|
||||
|
||||
b += promcon_end(conp, b);
|
||||
promcon_puts(buf, b - buf);
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* FIXME: What to do here???
|
||||
* Current console.c should not call it like that ever.
|
||||
*/
|
||||
prom_printf("\033[7mFIXME: bmove not handled\033[m\n");
|
||||
}
|
||||
|
||||
static void
|
||||
promcon_cursor(struct vc_data *conp, int mode)
|
||||
{
|
||||
char buf[32], *b = buf;
|
||||
|
||||
switch (mode) {
|
||||
case CM_ERASE:
|
||||
break;
|
||||
|
||||
case CM_MOVE:
|
||||
case CM_DRAW:
|
||||
b += promcon_start(conp, b);
|
||||
if (px != conp->vc_x || py != conp->vc_y) {
|
||||
px = conp->vc_x;
|
||||
py = conp->vc_y;
|
||||
b += sprintf(b, "\033[%d;%dH", py + 1, px + 1);
|
||||
}
|
||||
promcon_puts(buf, b - buf);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
promcon_blank(struct vc_data *conp, int blank, int mode_switch)
|
||||
{
|
||||
if (blank) {
|
||||
promcon_puts("\033[H\033[J\033[7m \033[m\b", 15);
|
||||
return 0;
|
||||
} else {
|
||||
/* Let console.c redraw */
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
promcon_scroll(struct vc_data *conp, int t, int b, int dir, int count)
|
||||
{
|
||||
unsigned char buf[256], *p = buf;
|
||||
unsigned short *s;
|
||||
int i;
|
||||
|
||||
if (console_blanked)
|
||||
return 0;
|
||||
|
||||
p += promcon_start(conp, p);
|
||||
|
||||
switch (dir) {
|
||||
case SM_UP:
|
||||
if (b == ph + 1) {
|
||||
p += sprintf(p, "\033[%dH\033[%dM", t + 1, count);
|
||||
px = 0;
|
||||
py = t;
|
||||
p += promcon_end(conp, p);
|
||||
promcon_puts(buf, p - buf);
|
||||
break;
|
||||
}
|
||||
|
||||
s = (unsigned short *)(conp->vc_origin
|
||||
+ (t + count) * conp->vc_size_row);
|
||||
|
||||
p += sprintf(p, "\033[%dH", t + 1);
|
||||
|
||||
for (i = t; i < b - count; i++)
|
||||
s = promcon_repaint_line(s, buf, &p);
|
||||
|
||||
for (; i < b - 1; i++) {
|
||||
strcpy(p, "\033[K\n");
|
||||
p += 4;
|
||||
if (p - buf >= 224) {
|
||||
promcon_puts(buf, p - buf);
|
||||
p = buf;
|
||||
}
|
||||
}
|
||||
|
||||
strcpy(p, "\033[K");
|
||||
p += 3;
|
||||
|
||||
p += promcon_end(conp, p);
|
||||
promcon_puts(buf, p - buf);
|
||||
break;
|
||||
|
||||
case SM_DOWN:
|
||||
if (b == ph + 1) {
|
||||
p += sprintf(p, "\033[%dH\033[%dL", t + 1, count);
|
||||
px = 0;
|
||||
py = t;
|
||||
p += promcon_end(conp, p);
|
||||
promcon_puts(buf, p - buf);
|
||||
break;
|
||||
}
|
||||
|
||||
s = (unsigned short *)(conp->vc_origin + t * conp->vc_size_row);
|
||||
|
||||
p += sprintf(p, "\033[%dH", t + 1);
|
||||
|
||||
for (i = t; i < t + count; i++) {
|
||||
strcpy(p, "\033[K\n");
|
||||
p += 4;
|
||||
if (p - buf >= 224) {
|
||||
promcon_puts(buf, p - buf);
|
||||
p = buf;
|
||||
}
|
||||
}
|
||||
|
||||
for (; i < b; i++)
|
||||
s = promcon_repaint_line(s, buf, &p);
|
||||
|
||||
p += promcon_end(conp, p);
|
||||
promcon_puts(buf, p - buf);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if !(PROMCON_COLOR)
|
||||
static u8 promcon_build_attr(struct vc_data *conp, u8 _color, u8 _intensity,
|
||||
u8 _blink, u8 _underline, u8 _reverse, u8 _italic)
|
||||
{
|
||||
return (_reverse) ? 0xf : 0x7;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The console 'switch' structure for the VGA based console
|
||||
*/
|
||||
|
||||
static int promcon_dummy(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define DUMMY (void *) promcon_dummy
|
||||
|
||||
const struct consw prom_con = {
|
||||
.owner = THIS_MODULE,
|
||||
.con_startup = promcon_startup,
|
||||
.con_init = promcon_init,
|
||||
.con_deinit = promcon_deinit,
|
||||
.con_clear = promcon_clear,
|
||||
.con_putc = promcon_putc,
|
||||
.con_putcs = promcon_putcs,
|
||||
.con_cursor = promcon_cursor,
|
||||
.con_scroll = promcon_scroll,
|
||||
.con_bmove = promcon_bmove,
|
||||
.con_switch = promcon_switch,
|
||||
.con_blank = promcon_blank,
|
||||
.con_set_palette = DUMMY,
|
||||
.con_scrolldelta = DUMMY,
|
||||
#if !(PROMCON_COLOR)
|
||||
.con_build_attr = promcon_build_attr,
|
||||
#endif
|
||||
};
|
||||
|
||||
void __init prom_con_init(void)
|
||||
{
|
||||
#ifdef CONFIG_DUMMY_CONSOLE
|
||||
if (conswitchp == &dummy_con)
|
||||
take_over_console(&prom_con, 0, MAX_NR_CONSOLES-1, 1);
|
||||
else
|
||||
#endif
|
||||
if (conswitchp == &prom_con)
|
||||
promcon_init_unimap(vc_cons[fg_console].d);
|
||||
}
|
||||
@ -10,7 +10,6 @@
|
||||
hostprogs-$(CONFIG_KALLSYMS) += kallsyms
|
||||
hostprogs-$(CONFIG_LOGO) += pnmtologo
|
||||
hostprogs-$(CONFIG_VT) += conmakehash
|
||||
hostprogs-$(CONFIG_PROM_CONSOLE) += conmakehash
|
||||
hostprogs-$(CONFIG_IKCONFIG) += bin2c
|
||||
|
||||
always := $(hostprogs-y) $(hostprogs-m)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user