Date: Mon, 6 Oct 1997 10:17:59 +0200 (CEST) From: Geert Uytterhoeven To: Linux/m68k Subject: L68K: Abstract console: we're gonna take over video control! Sender: owner-linux-m68k@phil.uni-sb.de Here is the abstract console patch for Linux/m68k 2.1.57. I also added a new video driver: drivers/video/vgacon.c. As you may guess, this is a first start for a VGA console driver on top of our abstract console. Since I'm no VGA text mode expert, this driver is suboptimal. But it works, and IMHO rather well. Things to do (err... my console wish list): - Remove the old console code completely. At the moment it's still present (inside #ifdef/#endif) for reference. Integrate abscon.c into console.c, get rid of vga.c and vesa_blank.c. - Use the frame buffer based console for SPARC and TGA. Paul Lahaie is working on TGA, but I haven't heard from him since a long time. - Add scrollback support to struct consw: o fbcon: use virtual screen and ypan/ywrap o vgacon: use VGA tricks - Find someone (Martin Mares?) to optimize vgacon (e.g. scroll tricks (cfr. the old console), ...). - Add loadable font support and vesa blanking to vgacon.c. - Add support for a real text mode on Atari and Amiga graphics boards. Here are some benchmark results from `time od -x file', with file a pseudo random binary file of 283053 bytes: machine video kernel elapsed time --------------- ------------------------------ ------------- ------------ Pentium 133 MHz 80x25 VGA+ color (S3 Trio64V+) 2.0.28 0:11.21 Pentium 133 MHz 80x25 VGA+ color (S3 Trio64V+) 2.1.57-abscon 0:45.97 Amiga 4000/040 80x25 amifb vga70 16 colors 2.1.57-abscon 2:01.80 Amiga 4000/040 80x25 amifb vga70 monochrome 2.1.57-abscon 1:10.25 In theory (i.e. after optimization), the only performance loss for VGA is the shadow screen: - With the old console code, screen updates went immediately to the VGA memory for the current console, and to the shadow screen for the other virtual consoles. On a VC switch, the current console data was copied from VGA memory to the shadow screen and vice versa. - With the abstract console, all screen updates always go to the shadow screen. If the screen activity is on the current console, the image on screen is updated through the function pointers in struct consw. The question is: will the Master Penguin notice the difference on his dual Pentium II? Without the benchmark, I wouldn't have noticed any difference. Any comments are welcomed! --- geert-2.1.57/include/linux/console_struct.h.orig Fri Oct 3 22:44:22 1997 +++ geert-2.1.57/include/linux/console_struct.h Sun Oct 5 18:53:07 1997 @@ -1,7 +1,8 @@ /* * console_struct.h * - * Data structure and defines shared between console.c, vga.c and tga.c + * Data structure and defines shared between console.c, vga.c, tga.c and + * abscon.c */ #include @@ -9,11 +10,13 @@ #define NPAR 16 struct vc_data { +#ifdef CONFIG_ABSTRACT_CONSOLE unsigned short vc_num; /* Console number */ unsigned long vc_cols; unsigned long vc_rows; unsigned long vc_size_row; struct consw *vc_sw; +#endif /* CONFIG_ABSTRACT_CONSOLE */ unsigned long vc_screenbuf_size; unsigned short vc_video_erase_char; /* Background erase character */ unsigned char vc_attr; /* Current attributes */ @@ -28,13 +31,8 @@ unsigned long vc_top,vc_bottom; unsigned long vc_state; unsigned long vc_npar,vc_par[NPAR]; -#ifdef CONFIG_FB_CONSOLE - unsigned short *vc_video_mem_start; /* Start of video RAM */ - unsigned short *vc_pos; -#else unsigned long vc_pos; unsigned long vc_video_mem_start; /* Start of video RAM */ -#endif unsigned long vc_video_mem_end; /* End of video RAM (sort of) */ unsigned long vc_saved_x; unsigned long vc_saved_y; @@ -61,7 +59,9 @@ /* misc */ unsigned long vc_ques : 1; unsigned long vc_need_wrap : 1; +#ifdef CONFIG_ABSTRACT_CONSOLE unsigned long vc_can_do_color : 1; +#endif /* CONFIG_ABSTRACT_CONSOLE */ unsigned long vc_has_scrolled : 1; /* Info for unblank_screen */ unsigned long vc_kmalloced : 1; /* kfree_s() needed */ unsigned long vc_report_mouse : 2; @@ -90,6 +90,8 @@ extern struct vc vc_cons [MAX_NR_CONSOLES]; +#define cons_num (vc_cons[currcons].d->vc_num) +#define sw (vc_cons[currcons].d->vc_sw) #define screenbuf_size (vc_cons[currcons].d->vc_screenbuf_size) #define origin (vc_cons[currcons].d->vc_origin) #define scr_end (vc_cons[currcons].d->vc_scr_end) --- geert-2.1.57/include/linux/selection.h.orig Fri Oct 3 22:44:22 1997 +++ geert-2.1.57/include/linux/selection.h Sun Oct 5 18:53:07 1997 @@ -15,28 +15,26 @@ extern int mouse_reporting(void); extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry); -#ifdef CONFIG_FB_CONSOLE -extern unsigned long get_video_num_columns(unsigned int console); -extern unsigned long get_video_num_lines(unsigned int console); -extern unsigned long get_video_size_row(unsigned int console); -#else -#define get_video_num_columns(dummy) video_num_columns -#define get_video_num_lines(dummy) video_num_lines -#define get_video_size_row(dummy) video_size_row -#endif - +#ifdef CONFIG_ABSTRACT_CONSOLE +#define video_num_columns (vc_cons[currcons].d->vc_cols) +#define video_num_lines (vc_cons[currcons].d->vc_rows) +#define video_size_row (vc_cons[currcons].d->vc_size_row) +#define video_screen_size (vc_cons[currcons].d->vc_screenbuf_size) +#define can_do_color (vc_cons[currcons].d->vc_can_do_color) +#else /* !CONFIG_ABSTRACT_CONSOLE */ extern unsigned long video_num_columns; extern unsigned long video_num_lines; extern unsigned long video_size_row; -extern unsigned char video_type; extern unsigned long video_mem_base; extern unsigned long video_mem_term; extern unsigned long video_screen_size; extern unsigned short video_port_reg; extern unsigned short video_port_val; +extern int can_do_color; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ +extern unsigned char video_type; extern int console_blanked; -extern int can_do_color; extern unsigned long video_font_height; extern unsigned long video_scan_lines; @@ -66,6 +64,14 @@ (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4)) /* this latter line used to have masks 0xf000 and 0x0f00, but selection requires a self-inverse operation; moreover, the old version looks wrong */ +#ifdef CONFIG_ABSTRACT_CONSOLE +#define reverse_video_short_mono(a) ((a) ^ 0x800) +#define complement_video_short(a) ((a) ^ (can_do_color ? 0x7700 : 0x800)) +#else /* !CONFIG_ABSTRACT_CONSOLE */ +#define reverse_video_short_mono(a) ((a) ^ ((((a) & 0x0700) == 0x0100) ? \ + 0x7000 : 0x7700)) +#define complement_video_short(a) ((a) ^ 0x7700) +#endif /* !CONFIG_ABSTRACT_CONSOLE */ extern void getconsxy(int currcons, char *p); extern void putconsxy(int currcons, char *p); @@ -140,7 +146,18 @@ return *addr; } -#else /* CONFIG_TGA_CONSOLE || CONFIG_SUN_CONSOLE */ +#elif defined(CONFIG_ABSTRACT_CONSOLE) +static inline void scr_writew(unsigned short val, unsigned short *addr) +{ + /* simply store the value in the "shadow screen" memory */ + *addr = cpu_to_le16(val); +} + +static inline unsigned short scr_readw(unsigned short * addr) +{ + return le16_to_cpu(*addr); +} +#else /* CONFIG_TGA_CONSOLE || CONFIG_SUN_CONSOLE || CONFIG_ABSTRACT_CONSOLE */ /* * normal VGA console access --- geert-2.1.57/include/linux/tty.h.orig Sat Sep 6 22:43:47 1997 +++ geert-2.1.57/include/linux/tty.h Sun Oct 5 18:53:07 1997 @@ -77,6 +77,8 @@ #define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */ +#define VIDEO_TYPE_ABSCON 0x70 /* Abstract console driver */ + /* * This character is the same as _POSIX_VDISABLE: it cannot be used as * a c_cc[] character, but indicates that a particular special character --- geert-2.1.57/include/asm-i386/linux_logo.h.orig Sun Oct 5 18:50:17 1997 +++ geert-2.1.57/include/asm-i386/linux_logo.h Sun Oct 5 18:50:10 1997 @@ -0,0 +1,1482 @@ +/* $Id: linux_logo.h,v 1.1 1997/04/16 17:51:24 jj Exp $ + * include/asm-i386/linux_logo.h: This is a linux logo + * to be displayed on boot. + * + * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu) + * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * + * You can put anything here, but: + * LINUX_LOGO_COLORS has to be less than 224 + * image size has to be 80x80 + * values have to start from 0x20 + * (i.e. RGB(linux_logo_red[0], + * linux_logo_green[0], + * linux_logo_blue[0]) is color 0x20) + * BW image has to be 80x80 as well, with MS bit + * on the left + * Serial_console ascii image can be any size, + * but should contain %s to display the version + */ + +#include +#include + +#define linux_logo_banner "Linux/ix86 version " UTS_RELEASE + +#define LINUX_LOGO_COLORS 221 + +#ifdef INCLUDE_LINUX_LOGO_DATA +unsigned char linux_logo_red[] __initdata = { + 0xF3, 0xF6, 0xF8, 0xF7, 0xEF, 0xE7, 0xE5, 0xE3, + 0xCA, 0xD4, 0xDD, 0xC8, 0xC7, 0xC4, 0xC2, 0xE5, + 0xF1, 0xED, 0xEE, 0xE6, 0xC6, 0xDA, 0xDD, 0xE5, + 0xD9, 0xC6, 0xE3, 0xD0, 0xC6, 0xBA, 0xB0, 0xB6, + 0xBB, 0xBE, 0xB9, 0xB8, 0xB3, 0xB2, 0xB0, 0xAD, + 0xAC, 0xA9, 0xA8, 0xA6, 0xA4, 0xA1, 0xA0, 0x9D, + 0xA0, 0x9F, 0x9E, 0x9C, 0x9B, 0x99, 0x9A, 0x99, + 0x98, 0x95, 0x96, 0x94, 0x93, 0x92, 0x8F, 0x8D, + 0x8C, 0x8A, 0x87, 0x86, 0x83, 0x81, 0x0D, 0x03, + 0x66, 0x44, 0x24, 0x08, 0xD6, 0xE6, 0xE9, 0xE6, + 0xE7, 0xCA, 0xDC, 0xDB, 0xD5, 0xD0, 0xC9, 0xE2, + 0xD5, 0xC6, 0xC4, 0xB3, 0xB2, 0xB9, 0xA9, 0x9A, + 0xB2, 0x9D, 0xE8, 0xEC, 0xF5, 0xF5, 0xF4, 0xF4, + 0xEC, 0xEE, 0xF0, 0xF5, 0xE0, 0xD6, 0xC5, 0xC2, + 0xD9, 0xD5, 0xD8, 0xD6, 0xF6, 0xF4, 0xED, 0xEC, + 0xEB, 0xF1, 0xF6, 0xF5, 0xF5, 0xEE, 0xEF, 0xEC, + 0xE7, 0xE3, 0xE6, 0xD6, 0xDD, 0xC3, 0xD6, 0xD7, + 0xCD, 0xCA, 0xC3, 0xAC, 0x95, 0x99, 0xB7, 0xA3, + 0x8B, 0x88, 0x95, 0x8A, 0x94, 0xD2, 0xCC, 0xC4, + 0xA8, 0x8E, 0x8F, 0xAE, 0xB8, 0xAC, 0xB6, 0xB4, + 0xAD, 0xA5, 0xA0, 0x9B, 0x8B, 0xA3, 0x94, 0x87, + 0x85, 0x89, 0x53, 0x80, 0x7D, 0x7C, 0x7A, 0x78, + 0x76, 0x71, 0x73, 0x6E, 0x6B, 0x67, 0x65, 0x62, + 0x4B, 0x5B, 0x5F, 0x53, 0x56, 0x52, 0x4F, 0x46, + 0x42, 0x0F, 0x75, 0x78, 0x7D, 0x72, 0x5F, 0x6E, + 0x7A, 0x75, 0x6A, 0x58, 0x48, 0x4F, 0x00, 0x2B, + 0x37, 0x3E, 0x32, 0x33, 0x25, 0x2C, 0x3B, 0x11, + 0x1D, 0x14, 0x06, 0x02, 0x00 +}; + +unsigned char linux_logo_green[] __initdata = { + 0xF3, 0xF6, 0xF8, 0xF7, 0xEF, 0xE7, 0xE5, 0xE3, + 0xCA, 0xD4, 0xDD, 0xC8, 0xC7, 0xC4, 0xC2, 0xD3, + 0xDA, 0xD4, 0xD7, 0xCC, 0xC1, 0xCC, 0xCB, 0xC9, + 0xC5, 0xBC, 0xBC, 0xBB, 0xB7, 0xA5, 0xB0, 0xB6, + 0xBB, 0xBE, 0xB9, 0xB8, 0xB3, 0xB2, 0xAD, 0xAD, + 0xAC, 0xA9, 0xA8, 0xA6, 0xA4, 0xA1, 0xA0, 0x95, + 0xA0, 0x9F, 0x9E, 0x9C, 0x9B, 0x99, 0x9A, 0x99, + 0x98, 0x95, 0x96, 0x94, 0x93, 0x92, 0x8F, 0x8D, + 0x8C, 0x8A, 0x87, 0x86, 0x83, 0x81, 0x08, 0x02, + 0x53, 0x2E, 0x19, 0x06, 0xC6, 0xC8, 0xCF, 0xBD, + 0xB3, 0xB6, 0xB4, 0xAB, 0xA5, 0xA3, 0x9B, 0xB6, + 0xA7, 0x99, 0x92, 0xA4, 0x9E, 0x9D, 0x98, 0x8C, + 0x8A, 0x86, 0xCD, 0xCC, 0xC9, 0xD7, 0xCA, 0xC4, + 0xCA, 0xC3, 0xC7, 0xC3, 0xC8, 0xB4, 0x91, 0x8E, + 0x8A, 0x82, 0x87, 0x85, 0xBD, 0xBF, 0xB6, 0xBC, + 0xAE, 0xB7, 0xBC, 0xB8, 0xBF, 0xB6, 0xBC, 0xB5, + 0xAB, 0xA6, 0xAD, 0xB2, 0xA5, 0x87, 0x9C, 0x96, + 0x95, 0x8E, 0x87, 0x8F, 0x86, 0x86, 0x8E, 0x80, + 0x7A, 0x70, 0x7B, 0x78, 0x78, 0x7F, 0x77, 0x6F, + 0x70, 0x76, 0x59, 0x77, 0x68, 0x64, 0x7B, 0x7C, + 0x75, 0x6D, 0x77, 0x69, 0x65, 0x5F, 0x5B, 0x54, + 0x4F, 0x5B, 0x39, 0x80, 0x7D, 0x7C, 0x7A, 0x78, + 0x76, 0x71, 0x73, 0x6E, 0x6B, 0x67, 0x65, 0x62, + 0x4B, 0x5B, 0x5F, 0x53, 0x56, 0x52, 0x4F, 0x46, + 0x42, 0x0B, 0x69, 0x66, 0x64, 0x57, 0x4A, 0x4E, + 0x55, 0x4B, 0x46, 0x3B, 0x30, 0x33, 0x00, 0x2B, + 0x37, 0x3E, 0x32, 0x33, 0x25, 0x2C, 0x29, 0x0D, + 0x1D, 0x14, 0x06, 0x02, 0x00 +}; + +unsigned char linux_logo_blue[] __initdata = { + 0xF3, 0xF6, 0xF8, 0xF7, 0xEF, 0xEE, 0xE5, 0xDE, + 0xD7, 0xD3, 0xDD, 0xC8, 0xC7, 0xC4, 0xC2, 0xB5, + 0xB0, 0xA6, 0xAC, 0x9B, 0xB5, 0xB5, 0xAE, 0x84, + 0x90, 0xA9, 0x81, 0x8D, 0x96, 0x86, 0xB0, 0xB6, + 0xBB, 0xBE, 0xB9, 0xB8, 0xB3, 0xB2, 0xA7, 0xAD, + 0xAC, 0xA9, 0xA8, 0xA6, 0xA4, 0xA1, 0xA5, 0x87, + 0xA0, 0x9F, 0x9E, 0x9C, 0x9B, 0x9A, 0x9A, 0x99, + 0x98, 0x95, 0x96, 0x94, 0x93, 0x92, 0x8F, 0x8D, + 0x8C, 0x8A, 0x87, 0x86, 0x83, 0x81, 0xC8, 0xD7, + 0x9B, 0x8E, 0x8C, 0xB2, 0x77, 0x77, 0x4E, 0x77, + 0x69, 0x71, 0x78, 0x6B, 0x65, 0x66, 0x64, 0x59, + 0x5C, 0x5A, 0x48, 0x72, 0x7B, 0x6B, 0x67, 0x6E, + 0x42, 0x5B, 0x29, 0x36, 0x25, 0x10, 0x17, 0x14, + 0x19, 0x16, 0x13, 0x0E, 0x08, 0x2E, 0x2E, 0x3D, + 0x24, 0x24, 0x24, 0x24, 0x13, 0x12, 0x14, 0x14, + 0x0E, 0x08, 0x0D, 0x0F, 0x08, 0x0D, 0x0E, 0x08, + 0x08, 0x0C, 0x06, 0x06, 0x07, 0x16, 0x07, 0x0E, + 0x08, 0x0A, 0x07, 0x0D, 0x2D, 0x3E, 0x09, 0x4E, + 0x68, 0x52, 0x56, 0x58, 0x4B, 0x22, 0x20, 0x20, + 0x27, 0x39, 0x28, 0x19, 0x1E, 0x1E, 0x08, 0x06, + 0x07, 0x09, 0x08, 0x08, 0x05, 0x1D, 0x1F, 0x17, + 0x18, 0x06, 0x79, 0x80, 0x7D, 0x7C, 0x7A, 0x78, + 0x76, 0x71, 0x73, 0x6E, 0x6B, 0x68, 0x65, 0x62, + 0x4B, 0x5B, 0x5F, 0x55, 0x56, 0x52, 0x4F, 0x46, + 0x42, 0x5A, 0x14, 0x23, 0x3D, 0x2B, 0x21, 0x14, + 0x06, 0x04, 0x03, 0x07, 0x09, 0x13, 0x2A, 0x3A, + 0x37, 0x3E, 0x32, 0x33, 0x25, 0x2C, 0x07, 0x09, + 0x1D, 0x14, 0x06, 0x02, 0x00 +}; + +unsigned char linux_logo[] __initdata = { + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x58, 0x57, + 0x58, 0x58, 0x59, 0x5C, 0x5D, 0x5F, 0x60, 0x61, + 0x62, 0x61, 0x61, 0x62, 0x62, 0x62, 0x63, 0x63, + 0x61, 0x61, 0x61, 0x61, 0x61, 0x60, 0x5E, 0x5E, + 0x5E, 0x5D, 0x5D, 0x5C, 0x5D, 0x5B, 0x58, 0x58, + 0x58, 0x57, 0x58, 0x57, 0x57, 0x57, 0x57, 0x58, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x58, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x58, 0x57, + 0x54, 0x56, 0x57, 0x67, 0xFC, 0xFC, 0xFC, 0xFC, + 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0x67, 0x4C, + 0x4A, 0x49, 0x4A, 0x49, 0x4A, 0x49, 0x49, 0x4A, + 0x4A, 0x4B, 0x4B, 0x4B, 0x4C, 0x50, 0x51, 0x52, + 0x54, 0x54, 0x56, 0x57, 0x57, 0x57, 0x57, 0x58, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x58, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x57, 0x57, 0x57, + 0x57, 0x57, 0x57, 0x57, 0x58, 0x56, 0x56, 0x53, + 0x52, 0x53, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, + 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFB, 0xFB, 0xFB, + 0x4B, 0x4B, 0x4B, 0x4A, 0x49, 0x4A, 0x4A, 0x49, + 0x49, 0x49, 0x48, 0x49, 0x49, 0x4A, 0x4A, 0x4B, + 0x4C, 0x4D, 0x52, 0x54, 0x56, 0x55, 0x57, 0x58, + 0x57, 0x57, 0x58, 0x57, 0x57, 0x58, 0x57, 0x57, + 0x57, 0x57, 0x57, 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0x59, 0x61, 0xCC, 0xCC, 0x62, + 0xD1, 0xD5, 0xDE, 0xD8, 0xDD, 0xCF, 0x4B, 0x4A, + 0x45, 0x3E, 0x2D, 0xCB, 0xDC, 0xDE, 0xD8, 0xD5, + 0x60, 0x54, 0x51, 0x4C, 0x4D, 0x5C, 0xCC, 0xCE, + 0x5A, 0x2C, 0x50, 0x53, 0x3E, 0x59, 0xD8, 0xF3, + 0xF2, 0xF3, 0xF3, 0xE0, 0x5E, 0x4A, 0x4C, 0x53, + 0x5E, 0x63, 0xCC, 0xCC, 0xCC, 0xCD, 0xCF, 0xD3, + 0x62, 0x53, 0xD6, 0xD6, 0xD6, 0xD6, 0x5B, 0x48, + 0x64, 0x63, 0x59, 0x44, 0x57, 0x63, 0xD2, 0xD3, + 0xD0, 0x5E, 0xD0, 0xD1, 0xCB, 0x58, 0x4C, 0xCF, + 0xCF, 0xCE, 0xCE, 0x57, 0x63, 0xCC, 0xCD, 0x57, +}; + +unsigned char linux_logo_bw[] __initdata = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x3F, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, + 0xFE, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFE, 0x3F, 0xFF, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFE, 0x7F, 0xFF, 0xC7, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFF, 0xFF, 0xC3, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFF, + 0xFB, 0xE3, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFD, 0xFF, 0xFF, 0xE1, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xF9, 0xFF, 0xFF, 0xF1, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0xFF, 0xFF, 0xF1, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0xFF, + 0xFF, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xF9, 0xFF, 0xFF, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xF9, 0xCF, 0xC3, 0xF8, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0x87, 0x81, 0xF9, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0xA7, + 0x99, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xF9, 0xF3, 0xBC, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xF9, 0xE3, 0xBC, 0xF9, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0xB0, 0x3C, 0xF9, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0xB0, + 0x19, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xF9, 0xC0, 0x03, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xF9, 0x80, 0x01, 0xF8, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0x80, 0x01, 0xF8, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0x80, + 0x01, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xF9, 0xC0, 0x21, 0xD8, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xF9, 0xB1, 0x80, 0xEC, 0xC0, 0x1F, + 0xFF, 0xFF, 0xFF, 0xFF, 0xF1, 0x90, 0x00, 0xE4, + 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xF1, 0x8C, + 0xC0, 0x7C, 0x04, 0x81, 0xFF, 0xFF, 0xFF, 0xFF, + 0xE3, 0x80, 0x00, 0x7C, 0x40, 0x11, 0xFF, 0xFF, + 0xFF, 0xFF, 0xE3, 0x80, 0x00, 0x7F, 0xD2, 0x29, + 0xFF, 0xFF, 0xFF, 0xFF, 0x87, 0x00, 0x00, 0x3F, + 0x80, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, 0x0E, 0x00, + 0x00, 0x3F, 0x80, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, + 0x1E, 0x00, 0x00, 0x1F, 0x80, 0x19, 0xFF, 0xFF, + 0xFF, 0xFE, 0x1C, 0x00, 0x00, 0x1E, 0x80, 0x19, + 0xFF, 0xFF, 0xFF, 0xFE, 0x3C, 0x00, 0x00, 0x1E, + 0x80, 0x11, 0xFF, 0xFF, 0xFF, 0xFC, 0x7C, 0x00, + 0x00, 0x0F, 0x80, 0x11, 0xFF, 0xFF, 0xFF, 0xFC, + 0xF8, 0x00, 0x00, 0x0E, 0x80, 0x11, 0xFF, 0xFF, + 0xFF, 0xFC, 0xF8, 0x00, 0x00, 0x06, 0x00, 0x11, + 0xFF, 0xFF, 0xFF, 0xF8, 0xF8, 0x00, 0x00, 0x06, + 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xF9, 0xF0, 0x00, + 0x00, 0x02, 0x00, 0x09, 0xFF, 0xFF, 0xFF, 0xF1, + 0xF0, 0x00, 0x00, 0x02, 0x80, 0x10, 0xFF, 0xFF, + 0xFF, 0xF1, 0xE0, 0x00, 0x00, 0x00, 0x97, 0x10, + 0xFF, 0xFF, 0xFF, 0xE3, 0xE0, 0x00, 0x00, 0x00, + 0xDF, 0xF0, 0xFF, 0xFF, 0xFF, 0xE3, 0xC0, 0x00, + 0x00, 0x00, 0xFF, 0xF8, 0xFF, 0xFF, 0xFF, 0xC7, + 0xC0, 0x00, 0x00, 0x01, 0xFF, 0xF8, 0xFF, 0xFF, + 0xFF, 0xC7, 0x80, 0x00, 0x00, 0x01, 0xFF, 0xF8, + 0xFF, 0xFF, 0xFF, 0x8F, 0x80, 0x00, 0x00, 0x01, + 0xFF, 0xF8, 0xFF, 0xFF, 0xFF, 0x8F, 0x80, 0x00, + 0x00, 0x01, 0xFF, 0xF8, 0xFF, 0xFF, 0xFF, 0x9F, + 0x80, 0x00, 0x00, 0x01, 0xFF, 0xF8, 0xFF, 0xFF, + 0xFF, 0x9F, 0x80, 0x00, 0x00, 0x01, 0x80, 0x18, + 0xFF, 0xFF, 0xFF, 0x9E, 0x80, 0x00, 0x00, 0x03, + 0xA8, 0x11, 0xFF, 0xFF, 0xFF, 0x9F, 0x80, 0x00, + 0x00, 0x02, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x99, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x09, 0xFF, 0xFF, + 0xFF, 0x00, 0x80, 0x00, 0x00, 0x01, 0xC0, 0x01, + 0xFF, 0xFF, 0xFE, 0x20, 0x60, 0x00, 0x00, 0x00, + 0xFF, 0xC3, 0xFF, 0xFF, 0xF8, 0x00, 0x30, 0x00, + 0x00, 0x00, 0xFF, 0x0F, 0xFF, 0xFF, 0xC0, 0x40, + 0x38, 0x00, 0x00, 0x00, 0xFE, 0x47, 0xFF, 0xFF, + 0x81, 0x00, 0x1C, 0x00, 0x00, 0x00, 0xFC, 0x23, + 0xFF, 0xFF, 0x90, 0x00, 0x1E, 0x00, 0x00, 0x00, + 0x78, 0x11, 0xFF, 0xFF, 0x80, 0x00, 0x0F, 0x80, + 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0x80, 0x00, + 0x07, 0xC0, 0x00, 0x00, 0x00, 0x08, 0xFF, 0xFF, + 0xC0, 0x00, 0x07, 0xC0, 0x00, 0x00, 0x00, 0x04, + 0x7F, 0xFF, 0x80, 0x00, 0x03, 0xC0, 0x00, 0x10, + 0x00, 0x00, 0x1F, 0xFF, 0x80, 0x00, 0x01, 0x80, + 0x00, 0x30, 0x00, 0x00, 0x0F, 0xFF, 0x80, 0x00, + 0x00, 0x00, 0x00, 0x70, 0x00, 0x01, 0x4F, 0xFF, + 0x80, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, + 0x0F, 0xFF, 0xC0, 0x00, 0x00, 0x80, 0x03, 0xF0, + 0x00, 0x00, 0x8F, 0xFF, 0x80, 0x00, 0x00, 0x40, + 0x0F, 0xF0, 0x00, 0x04, 0x1F, 0xFF, 0x80, 0x00, + 0x00, 0x7F, 0xFF, 0xF0, 0x00, 0x10, 0x1F, 0xFF, + 0xC0, 0x00, 0x00, 0x7F, 0xFF, 0xF0, 0x00, 0x40, + 0xFF, 0xFF, 0x98, 0x00, 0x00, 0xFF, 0xFF, 0xF0, + 0x00, 0x83, 0xFF, 0xFF, 0x81, 0xE0, 0x01, 0xFF, + 0xFF, 0xF8, 0x02, 0x07, 0xFF, 0xFF, 0x80, 0x3F, + 0x07, 0xE0, 0x00, 0x1C, 0x0C, 0x1F, 0xFF, 0xFF, + 0xF8, 0x03, 0xFF, 0x80, 0x00, 0x1F, 0x78, 0x1F, + 0xFF, 0xFF, 0xFF, 0x80, 0x7F, 0x00, 0x07, 0x0F, + 0xF0, 0x7F, 0xFF, 0xFF, 0xFF, 0xFE, 0x0C, 0x07, + 0xFF, 0x83, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0x00, 0x1F, 0xFF, 0xC0, 0x03, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8, 0x07, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, +}; + +unsigned char linux_logo16_red[] __initdata = { + 0x00, 0x90, 0xb0, 0x9c, 0xf7, 0x35, 0x83, 0xa5, + 0x65, 0x8f, 0x98, 0xc9, 0xdb, 0xe1, 0xe7, 0xf8 +}; + +unsigned char linux_logo16_green[] __initdata = { + 0x00, 0x90, 0xb0, 0x9c, 0xf7, 0x2e, 0x83, 0xa5, + 0x65, 0x6e, 0x98, 0x89, 0xbf, 0xac, 0xda, 0xf8 +}; + +unsigned char linux_logo16_blue[] __initdata = { + 0x00, 0x90, 0xaf, 0x9c, 0xf7, 0x2b, 0x82, 0xa5, + 0x65, 0x41, 0x97, 0x1e, 0x60, 0x29, 0xa5, 0xf8 +}; + +unsigned char linux_logo16[] __initdata = { + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xa1, 0x11, 0x11, + 0x61, 0x16, 0x66, 0x66, 0x11, 0x11, 0x11, 0x11, + 0x11, 0x11, 0x1a, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0x33, 0xa8, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x87, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x77, 0x73, 0x33, 0x33, 0x3a, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xa3, 0x33, 0x33, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x77, 0x77, 0x77, 0x77, + 0x77, 0x27, 0x77, 0x77, 0x77, 0x33, 0x3a, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xa3, 0x33, 0x33, 0x30, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x55, 0x50, 0x08, 0x33, 0x77, 0x77, + 0x77, 0x72, 0x72, 0x27, 0x77, 0x77, 0x33, 0x33, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xa3, 0x33, 0x33, 0x77, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x58, 0x85, 0x00, 0x11, 0x11, 0xaa, + 0xa3, 0x37, 0x77, 0x72, 0x22, 0x22, 0x77, 0x73, + 0x33, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xa3, + 0x33, 0x37, 0x77, 0x33, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x56, 0x85, 0x00, 0x06, 0x66, 0x11, + 0x11, 0x1a, 0xa3, 0x37, 0x77, 0x72, 0x22, 0x77, + 0x73, 0x33, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0x33, + 0x33, 0x33, 0x33, 0x30, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x55, 0x00, 0x00, 0x06, 0x66, 0x66, + 0x66, 0x66, 0x11, 0x1a, 0xa3, 0x77, 0x72, 0x22, + 0x77, 0x73, 0x3a, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0x33, 0x33, + 0x33, 0x33, 0x33, 0xa0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 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0x66, + 0x88, 0x86, 0x88, 0x88, 0x16, 0x61, 0x21, 0x88, + 0x66, 0xa6, 0x86, 0x17, 0x66, 0x66, 0x31, 0x61, + 0x88, 0x88, 0x87, 0x72, 0x22, 0x68, 0x55, 0x86, + 0x77, 0x77, 0x36, 0x88, 0x13, 0x68, 0x85, 0x55, + 0x58, 0x12, 0x73, 0x72, 0x76, 0x88, 0x88, 0x68, + 0x88, 0x88, 0x88, 0x66, 0x36, 0x63, 0x26, 0x86, + 0x86, 0x36, 0x86, 0x11, 0x66, 0x66, 0x76, 0x61, + 0x88, 0x88, 0x81, 0x22, 0x22, 0x38, 0x85, 0x58, + 0x37, 0x22, 0x21, 0x68, 0xa2, 0x31, 0x68, 0x55, + 0x55, 0x81, 0x22, 0x22, 0xa8, 0x88, 0x88, 0x68, + 0x86, 0x88, 0x68, 0x81, 0x36, 0x17, 0x21, 0x68, + 0x86, 0x16, 0x66, 0x26, 0x66, 0x61, 0x36, 0x66, + 0x68, 0x88, 0x86, 0x27, 0x22, 0x28, 0x88, 0x88, + 0x17, 0x72, 0x2a, 0x66, 0xa2, 0x22, 0x36, 0x55, + 0x55, 0x58, 0x37, 0x3a, 0x16, 0x66, 0x66, 0x66, + 0x66, 0x18, 0x88, 0x67, 0x16, 0x12, 0x71, 0x68, + 0x81, 0x68, 0x61, 0x76, 0x66, 0x6a, 0x16, 0x66, + 0x88, 0x88, 0x86, 0x77, 0x22, 0x26, 0x88, 0x88, + 0x13, 0x37, 0x71, 0x66, 0xa2, 0x33, 0x2a, 0x85, + 0x55, 0x55, 0x17, 0x73, 0x16, 0x66, 0x66, 0x68, + 0x63, 0x88, 0x88, 0xa2, 0x66, 0xa2, 0xa6, 0x88, + 0x61, 0x68, 0x6a, 0x76, 0x66, 0x6a, 0x66, 0x6a +}; + +/* Painted by Johnny Stenback */ + +unsigned char *linux_serial_image __initdata = "\n" +" .u$e.\n" +" .$$$$$:S\n" +" $\"*$/\"*$$\n" +" $.`$ . ^F\n" +" 4k+#+T.$F\n" +" 4P+++\"$\"$\n" +" :R\"+ t$$B\n" +" ___# $$$\n" +" | | R$$k\n" +" dd. | Linux $!$\n" +" ddd | ix86 $9$F\n" +" '!!!!!$ !!#!`\n" +" !!!!!* .!!!!!`\n" +"'!!!!!!!W..e$$!!!!!!`\n" +" \"~^^~ ^~~^\n" +"\n"; + +#else + +/* prototypes only */ +extern unsigned char linux_logo_red[]; +extern unsigned char linux_logo_green[]; +extern unsigned char linux_logo_blue[]; +extern unsigned char linux_logo[]; +extern unsigned char linux_logo_bw[]; +extern unsigned char linux_logo16_red[]; +extern unsigned char linux_logo16_green[]; +extern unsigned char linux_logo16_blue[]; +extern unsigned char linux_logo16[]; +extern unsigned char *linux_serial_image; + +extern int (*console_show_logo)(void); + +#endif --- geert-2.1.57/drivers/char/console.c.orig Fri Oct 3 22:46:05 1997 +++ geert-2.1.57/drivers/char/console.c Sun Oct 5 18:49:56 1997 @@ -13,6 +13,8 @@ * 'int vc_allocate(unsigned int console)' * 'int vc_cons_allocated(unsigned int console)' * 'int vc_resize(unsigned long lines, unsigned long cols)' + * 'int vc_resize_con(unsigned long lines, unsigned long cols, + * unsigned int currcons)' * 'void vc_disallocate(unsigned int currcons)' * * 'unsigned long con_init(unsigned long)' @@ -61,6 +63,24 @@ * redirection by Martin Mares 19-Nov-95 * * APM screenblank bug fixed Takashi Manabe + * + * Merge with the abstract console driver by Geert Uytterhoeven + * , Jan 1997. + * + * Original m68k console driver modifications by + * + * - Arno Griffioen + * - David Carter + * + * Note that the abstract console driver allows all consoles to be of + * potentially different sizes, so the following variables depend on the + * current console (currcons): + * + * - video_num_columns + * - video_num_lines + * - video_size_row + * - video_screen_size + * - can_do_color */ #define BLANK 0x0020 @@ -134,26 +154,22 @@ struct vc vc_cons [MAX_NR_CONSOLES]; static int con_open(struct tty_struct *, struct file *); -static void con_setsize(unsigned long rows, unsigned long cols); static void vc_init(unsigned int console, unsigned long rows, unsigned long cols, int do_clear); -extern void get_scrmem(int currcons); -extern void set_scrmem(int currcons, long offset); -static void set_origin(int currcons); static void blank_screen(void); static void unblank_screen(void); extern void change_console(unsigned int); extern void poke_blanked_console(void); +static void update_attr(int currcons); static void gotoxy(int currcons, int new_x, int new_y); static void save_cur(int currcons); extern void set_cursor(int currcons); -extern void hide_cursor(void); +extern void hide_cursor(int currcons); static void reset_terminal(int currcons, int do_clear); extern void reset_vc(unsigned int new_console); extern void vt_init(void); extern void set_vesa_blanking(unsigned long arg); extern void vesa_blank(void); -extern void vesa_unblank(void); extern void vesa_powerdown(void); extern void compute_shiftstate(void); extern void reset_palette(int currcons); @@ -165,8 +181,148 @@ extern int set_get_font(unsigned char *, int, int); extern void rs_cons_hook(int chip, int out, int channel); -/* Description of the hardware situation */ +static int printable = 0; /* Is console ready for printing? */ + +int video_mode_512ch = 0; /* 512-character mode */ +unsigned long video_font_height; /* Height of current screen font */ +unsigned long video_scan_lines; /* Number of scan lines on screen */ +static unsigned short console_charmask = 0x0ff; + +/* used by kbd_bh - set by keyboard_interrupt */ + int do_poke_blanked_console = 0; + int console_blanked = 0; +static int blankinterval = 10*60*HZ; +static int vesa_off_interval = 0; + unsigned char video_type; /* Type of display being used */ + +#ifdef CONFIG_ABSTRACT_CONSOLE +#define DO_VISUAL(x) abscon_##x +#define DO_VISUAL_IF_FG(x) if (currcons == fg_console) abscon_##x +static char putcs_buf[256]; + +extern int abscon_probe(unsigned long *kmem_start); +extern void abscon_init(int currcons); +static inline void abscon_deinit(int currcons) +{ + sw->con_deinit(vc_cons[currcons].d); +} + +static inline void abscon_scrup(int currcons, unsigned int t, unsigned int b, + int nr) +{ + sw->con_scroll(vc_cons[currcons].d, t, b, SM_UP, nr); +} + +static inline void abscon_scrdown(int currcons, unsigned int t, unsigned int b, + int nr) +{ + sw->con_scroll(vc_cons[currcons].d, t, b, SM_DOWN, nr); +} + +static inline void abscon_erase_to_dpy_end(int currcons) +{ + /* do in two stages */ + sw->con_clear(vc_cons[currcons].d,y,x,1,video_num_columns-x); + sw->con_clear(vc_cons[currcons].d,y+1,0,video_num_lines-y-1, + video_num_columns); +} + +static inline void abscon_erase_from_dpy_start(int currcons) +{ + /* do in two stages */ + sw->con_clear(vc_cons[currcons].d,0,0,y,video_num_columns); + sw->con_clear(vc_cons[currcons].d,y,0,1,x + 1); +} + +static inline void abscon_erase_dpy(int currcons) +{ + sw->con_clear(vc_cons[currcons].d,0,0,video_num_lines,video_num_columns); +} + +static inline void abscon_erase_to_line_end(int currcons) +{ + sw->con_clear(vc_cons[currcons].d,y,x,1,video_num_columns-x); +} + +static inline void abscon_erase_from_line_start(int currcons) +{ + sw->con_clear(vc_cons[currcons].d,y,0,1,x + 1); +} + +static inline void abscon_erase_line(int currcons) +{ + sw->con_clear(vc_cons[currcons].d,y,0,1,video_num_columns); +} + +static inline void abscon_erase_next_chars(int currcons, unsigned long count) +{ + sw->con_clear(vc_cons[currcons].d,y,x,1,count); +} + +static inline void abscon_insert_chars(int currcons, unsigned int nr) +{ + unsigned short oldattr = attr; + sw->con_bmove(vc_cons[currcons].d,y,x,y,x+nr,1,video_num_columns-x-nr); + attr = video_erase_char >> 8; + while (nr--) + sw->con_putc(vc_cons[currcons].d,(video_erase_char & 0x00ff),y,x+nr); + attr = oldattr; +} + +static inline void abscon_delete_chars(int currcons, unsigned int nr) +{ + unsigned short oldattr = attr; + sw->con_bmove(vc_cons[currcons].d,y,x+nr,y,x,1,video_num_columns-x-nr); + attr = video_erase_char >> 8; + while (nr--) + sw->con_putc(vc_cons[currcons].d,(video_erase_char & 0x00ff),y, + video_num_columns-1-nr); + attr = oldattr; +} + +static inline void abscon_putc(int currcons, int tc, int yy, int xx) +{ + sw->con_putc(vc_cons[currcons].d,tc,yy,xx); +} + +static inline void abscon_putc_attr(int currcons, unsigned short new, + int yy, int xx) +{ + unsigned short oldattr = attr; + attr = new >> 8; + sw->con_putc(vc_cons[currcons].d, new & 0xff, yy, xx); + attr = oldattr; +} + +static inline void abscon_putc_attr_next(int currcons, unsigned short new, + int *yy, int *xx) +{ + attr = new >> 8; + sw->con_putc(vc_cons[currcons].d, new & 0xff, *yy, *xx); + if (++(*xx) == video_num_columns) + *xx = 0, ++(*yy); +} + +#define abscon_update_attr update_attr +#define abscon_update_screen update_screen +#define abscon_hide_cursor hide_cursor + +static inline void get_scrmem(int currcons) {} +static inline void set_scrmem(int currcons, long offset) {} +static inline void set_origin(int currcons) {} + +#define hardscroll_enabled 0 + +#else /* !CONFIG_ABSTRACT_CONSOLE */ +#define DO_VISUAL(x) do {} while (0) +#define DO_VISUAL_IF_FG(x) do {} while (0) +extern void get_scrmem(int currcons); +extern void set_scrmem(int currcons, long offset); +static void set_origin(int currcons); +extern void vesa_unblank(void); + +/* Description of the hardware situation */ unsigned long video_mem_base; /* Base of video memory */ unsigned long video_mem_term; /* End of video memory */ unsigned short video_port_reg; /* Video register select port */ @@ -177,21 +333,10 @@ unsigned long video_screen_size; int can_do_color = 0; -static int printable = 0; /* Is console ready for printing? */ - -int video_mode_512ch = 0; /* 512-character mode */ -unsigned long video_font_height; /* Height of current screen font */ -unsigned long video_scan_lines; /* Number of scan lines on screen */ static unsigned long default_font_height; /* Height of default screen font */ int video_font_is_default = 1; -static unsigned short console_charmask = 0x0ff; - -/* used by kbd_bh - set by keyboard_interrupt */ - int do_poke_blanked_console = 0; - int console_blanked = 0; -static int blankinterval = 10*60*HZ; -static int vesa_off_interval = 0; static long blank_origin, blank__origin, unblank_origin; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ /* * fg_console is the current virtual console, @@ -209,42 +354,43 @@ return (i < MAX_NR_CONSOLES && vc_cons[i].d); } -int vc_allocate(unsigned int i) /* return 0 on success */ +int vc_allocate(unsigned int currcons) /* return 0 on success */ { - if (i >= MAX_NR_CONSOLES) + if (currcons >= MAX_NR_CONSOLES) return -ENXIO; - if (!vc_cons[i].d) { + if (!vc_cons[currcons].d) { long p, q; /* prevent users from taking too much memory */ - if (i >= MAX_NR_USER_CONSOLES && !suser()) + if (currcons >= MAX_NR_USER_CONSOLES && !suser()) return -EPERM; /* due to the granularity of kmalloc, we waste some memory here */ /* the alloc is done in two steps, to optimize the common situation of a 25x80 console (structsize=216, video_screen_size=4000) */ - q = (long) kmalloc(video_screen_size, GFP_KERNEL); - if (!q) - return -ENOMEM; p = (long) kmalloc(structsize, GFP_KERNEL); - if (!p) { - kfree_s((char *) q, video_screen_size); + if (!p) + return -ENOMEM; + vc_cons[currcons].d = (struct vc_data *)p; + vt_cons[currcons] = (struct vt_struct *)(p+sizeof(struct vc_data)); + DO_VISUAL(init(currcons)); + q = (long)kmalloc(video_screen_size, GFP_KERNEL); + if (!q) { + kfree_s((char *) p, structsize); + vc_cons[currcons].d = NULL; + vt_cons[currcons] = NULL; return -ENOMEM; } - - vc_cons[i].d = (struct vc_data *) p; - p += sizeof(struct vc_data); - vt_cons[i] = (struct vt_struct *) p; - vc_scrbuf[i] = (unsigned short *) q; - vc_cons[i].d->vc_kmalloced = 1; - vc_cons[i].d->vc_screenbuf_size = video_screen_size; - vc_init (i, video_num_lines, video_num_columns, 1); + vc_scrbuf[currcons] = (unsigned short *) q; + vc_cons[currcons].d->vc_kmalloced = 1; + vc_cons[currcons].d->vc_screenbuf_size = video_screen_size; + vc_init(currcons, video_num_lines, video_num_columns, 1); } return 0; } /* - * Change # of rows and columns (0 means unchanged) + * Change # of rows and columns (0 means unchanged/the size of fg_console) * [this is to be used together with some user program * like resize that changes the hardware videomode] */ @@ -253,7 +399,7 @@ unsigned long cc, ll, ss, sr; unsigned long occ, oll, oss, osr; unsigned short *p; - unsigned int currcons, i; + unsigned int currcons = fg_console, i; unsigned short *newscreens[MAX_NR_CONSOLES]; long ol, nl, rlth, rrem; @@ -262,8 +408,10 @@ sr = cc << 1; ss = sr * ll; +#ifndef CONFIG_ABSTRACT_CONSOLE if (ss > video_mem_term - video_mem_base) return -ENOMEM; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ /* * Some earlier version had all consoles of potentially @@ -288,20 +436,20 @@ get_scrmem(fg_console); - oll = video_num_lines; - occ = video_num_columns; - osr = video_size_row; - oss = video_screen_size; - - video_num_lines = ll; - video_num_columns = cc; - video_size_row = sr; - video_screen_size = ss; - for (currcons = 0; currcons < MAX_NR_CONSOLES; currcons++) { if (!vc_cons_allocated(currcons)) continue; + oll = video_num_lines; + occ = video_num_columns; + osr = video_size_row; + oss = video_screen_size; + + video_num_lines = ll; + video_num_columns = cc; + video_size_row = sr; + video_screen_size = ss; + rlth = MIN(osr, sr); rrem = sr - rlth; ol = origin; @@ -309,6 +457,7 @@ if (ll < oll) ol += (oll - ll) * osr; + DO_VISUAL(update_attr(currcons)); while (ol < scr_end) { memcpyw((unsigned short *) nl, (unsigned short *) ol, rlth); if (rrem) @@ -318,7 +467,7 @@ } if (kmalloced) - kfree_s(vc_scrbuf[currcons], screenbuf_size); + kfree_s(vc_scrbuf[currcons], oss); vc_scrbuf[currcons] = newscreens[currcons]; kmalloced = 1; screenbuf_size = ss; @@ -336,6 +485,10 @@ save_cur(currcons); } + /* don't update in graphics mode */ + if (currcons == fg_console && vt_cons[fg_console]->vc_mode == KD_TEXT) + DO_VISUAL(update_screen(fg_console)); + set_scrmem(fg_console, 0); set_origin(fg_console); set_cursor(fg_console); @@ -343,9 +496,102 @@ return 0; } +#ifdef CONFIG_ABSTRACT_CONSOLE +/* + * ++Geert: Change # of rows and columns for one specific console. + * Of course it's not messy to have all consoles of potentially different + * sizes, except on PCish hardware :-) + */ +void vc_resize_con(unsigned long lines, unsigned long cols, + unsigned int currcons) +{ + unsigned long cc, ll, ss, sr; + unsigned long occ, oll, oss, osr; + unsigned short *newscreen; + long ol, nl, rlth, rrem; + struct winsize ws, *cws; + + if (!cols || !lines || currcons >= MAX_NR_CONSOLES) + return; + + cc = cols; + ll = lines; + sr = cc << 1; + ss = sr * ll; + + if (!vc_cons_allocated(currcons)) + newscreen = 0; + else if (!(newscreen = (unsigned short *)kmalloc(ss, GFP_USER))) + return; + + if (vc_cons_allocated(currcons)) { + oll = video_num_lines; + occ = video_num_columns; + osr = video_size_row; + oss = video_screen_size; + + video_num_lines = ll; + video_num_columns = cc; + video_size_row = sr; + video_screen_size = ss; + + rlth = MIN(osr, sr); + rrem = sr - rlth; + ol = origin; + nl = (long) newscreen; + if (ll < oll) + ol += (oll - ll) * osr; + + /* ++Geert: TODO: Because the attributes have different meanings + for monochrome and color, they should really be converted if + can_do_color changes... */ + update_attr(currcons); + while (ol < scr_end) { + memcpyw((unsigned short *) nl, (unsigned short *) ol, rlth); + if (rrem) + memsetw((void *)(nl + rlth), video_erase_char, rrem); + ol += osr; + nl += sr; + } + + if (kmalloced) + kfree_s(vc_scrbuf[currcons], oss); + vc_scrbuf[currcons] = newscreen; + kmalloced = 1; + screenbuf_size = ss; + + origin = video_mem_start = (long) vc_scrbuf[currcons]; + scr_end = video_mem_end = video_mem_start + ss; + + if (scr_end > nl) + memsetw((void *) nl, video_erase_char, scr_end - nl); + + /* do part of a reset_terminal() */ + top = 0; + bottom = video_num_lines; + gotoxy(currcons, x, y); + save_cur(currcons); + + cws = &console_table[currcons]->winsize; + ws.ws_row = video_num_lines; + ws.ws_col = video_num_columns; + if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col) && + console_table[currcons]->pgrp > 0) + kill_pg(console_table[currcons]->pgrp, SIGWINCH, 1); + *cws = ws; + } + + /* don't update in graphics mode */ + if (currcons == fg_console && vt_cons[fg_console]->vc_mode == KD_TEXT) + update_screen(fg_console); +} +#endif /* CONFIG_ABSTRACT_CONSOLE */ + + void vc_disallocate(unsigned int currcons) { if (vc_cons_allocated(currcons)) { + DO_VISUAL(deinit(currcons)); if (kmalloced) kfree_s(vc_scrbuf[currcons], screenbuf_size); if (currcons >= MIN_NR_CONSOLES) @@ -376,7 +622,7 @@ /* the default colour table, for VGA+ colour systems */ int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa, 0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff}; -int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa, +int default_grn[] = {0x00,0x00,0xaa,0xaa,0x00,0x00,0xaa,0xaa, 0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff}; int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa, 0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff}; @@ -420,6 +666,7 @@ gotoxy(currcons, new_x, decom ? (top+new_y) : new_y); } +#ifndef CONFIG_ABSTRACT_CONSOLE /* * Hardware scrollback support */ @@ -497,8 +744,9 @@ __real_origin = (origin-video_mem_base) >> 1; __set_origin(__real_origin); } +#endif /* !CONFIG_ABSTRACT_CONSOLE */ -static void scrup(int currcons, unsigned int t, unsigned int b, unsigned int nr) +static void scrup(int currcons, unsigned int t, unsigned int b, int nr) { int hardscroll = hardscroll_enabled; @@ -506,6 +754,7 @@ nr = b - t - 1; if (b > video_num_lines || t >= b || nr < 1) return; +#ifndef CONFIG_ABSTRACT_CONSOLE if (t || b != video_num_lines || nr > 1) hardscroll = 0; if (hardscroll) { @@ -545,17 +794,20 @@ } } set_origin(currcons); - } else { + } else +#endif /* !CONFIG_ABSTRACT_CONSOLE */ + { unsigned short * d = (unsigned short *) (origin+video_size_row*t); unsigned short * s = (unsigned short *) (origin+video_size_row*(t+nr)); memcpyw(d, s, (b-t-nr) * video_size_row); memsetw(d + (b-t-nr) * video_num_columns, video_erase_char, video_size_row*nr); + DO_VISUAL_IF_FG(scrup(currcons, t, b, nr)); } } static void -scrdown(int currcons, unsigned int t, unsigned int b, unsigned int nr) +scrdown(int currcons, unsigned int t, unsigned int b, int nr) { unsigned short *s; unsigned int count; @@ -572,11 +824,13 @@ memcpyw(s + step, s, video_size_row); s -= video_num_columns; } - while (nr--) { + count = nr; + while (count--) { s += video_num_columns; memsetw(s, video_erase_char, video_size_row); } has_scrolled = 1; + DO_VISUAL_IF_FG(scrdown(currcons, t, b, nr)); } static void lf(int currcons) @@ -585,7 +839,7 @@ * if below scrolling region */ if (y+1 == bottom) - scrup(currcons,top,bottom, 1); + scrup(currcons,top,bottom,1); else if (y < video_num_lines-1) { y++; pos += video_size_row; @@ -636,14 +890,17 @@ case 0: /* erase from cursor to end of display */ count = (scr_end-pos)>>1; start = (unsigned short *) pos; + DO_VISUAL_IF_FG(erase_to_dpy_end(currcons)); break; case 1: /* erase from start to cursor */ count = ((pos-origin)>>1)+1; start = (unsigned short *) origin; + DO_VISUAL_IF_FG(erase_from_dpy_start(currcons)); break; case 2: /* erase whole display */ count = video_num_columns * video_num_lines; start = (unsigned short *) origin; + DO_VISUAL_IF_FG(erase_dpy(currcons)); break; default: return; @@ -661,14 +918,17 @@ case 0: /* erase from cursor to end of line */ count = video_num_columns-x; start = (unsigned short *) pos; + DO_VISUAL_IF_FG(erase_to_line_end(currcons)); break; case 1: /* erase from start of line to cursor */ start = (unsigned short *) (pos - (x<<1)); count = x+1; + DO_VISUAL_IF_FG(erase_from_line_start(currcons)); break; case 2: /* erase whole line */ start = (unsigned short *) (pos - (x<<1)); count = video_num_columns; + DO_VISUAL_IF_FG(erase_line(currcons)); break; default: return; @@ -679,16 +939,44 @@ static void csi_X(int currcons, int vpar) /* erase the following vpar positions */ { /* not vt100? */ + int count; + if (!vpar) vpar++; + count = (vpar > video_num_columns-x) ? (video_num_columns-x) : vpar; - memsetw((unsigned short *) pos, video_erase_char, - (vpar > video_num_columns-x) ? 2 * (video_num_columns-x) : 2 * vpar); + DO_VISUAL_IF_FG(erase_next_chars(currcons, count)); + memsetw((unsigned short *) pos, video_erase_char, 2 * count); need_wrap = 0; } static void update_attr(int currcons) { +#ifdef CONFIG_ABSTRACT_CONSOLE +/* + * ++roman: I completely changed the attribute format for monochrome + * mode (!can_do_color). The formerly used MDA (monochrome display + * adapter) format didn't allow the combination of certain effects. + * Now the attribute is just a bit vector: + * Bit 0..1: intensity (0..2) + * Bit 2 : underline + * Bit 3 : reverse + * Bit 7 : blink + * + * ++Geert: TODO: Because the attributes have different meanings + * for monochrome and color, they should really be converted if + * can_do_color changes... + */ + if (!can_do_color) { + /* Special treatment for monochrome */ + attr = intensity | + (underline ? 4 : 0) | + ((reverse ^ decscnm) ? 8 : 0) | + (blink ? 0x80 : 0); + video_erase_char = ' ' | ((reverse ^ decscnm) ? 0x800 : 0); + return; + } +#endif /* CONFIG_ABSTRACT_CONSOLE */ attr = color; if (can_do_color) { if (underline) @@ -702,12 +990,14 @@ attr ^= 0x80; if (intensity == 2) attr ^= 0x08; +#ifndef CONFIG_ABSTRACT_CONSOLE if (!can_do_color) { if (underline) attr = (attr & 0xf8) | 0x01; else if (intensity == 0) attr = (attr & 0xf0) | 0x08; } +#endif /* !CONFIG_ABSTRACT_CONSOLE */ if (decscnm) video_erase_char = (reverse_video_char(color) << 8) | ' '; else @@ -915,8 +1205,10 @@ static inline unsigned short *screenpos(int currcons, int offset, int viewed) { unsigned short *p = (unsigned short *)(origin + offset); +#ifndef CONFIG_ABSTRACT_CONSOLE if (viewed && currcons == fg_console) p -= (__real_origin - __origin); +#endif /* !CONFIG_ABSTRACT_CONSOLE */ return p; } @@ -924,22 +1216,33 @@ void invert_screen(int currcons, int offset, int count, int viewed) { unsigned short *p; +#ifdef CONFIG_ABSTRACT_CONSOLE + int xx = (offset >> 1) % video_num_columns; + int yy = (offset >> 1) / video_num_columns; + unsigned short oldattr = attr; +#endif /* CONFIG_ABSTRACT_CONSOLE */ count /= 2; p = screenpos(currcons, offset, viewed); if (can_do_color) while (count--) { unsigned short old = scr_readw(p); - scr_writew(reverse_video_short(old), p); + unsigned short new = reverse_video_short(old); + scr_writew(new, p); p++; + DO_VISUAL_IF_FG(putc_attr_next(currcons, new, &yy, &xx)); } else while (count--) { unsigned short old = scr_readw(p); - scr_writew(old ^ (((old & 0x0700) == 0x0100) - ? 0x7000 : 0x7700), p); + unsigned short new = reverse_video_short_mono(old); + scr_writew(new, p); p++; + DO_VISUAL_IF_FG(putc_attr_next(currcons, new, &yy, &xx)); } +#ifdef CONFIG_ABSTRACT_CONSOLE + attr = oldattr; +#endif /* CONFIG_ABSTRACT_CONSOLE */ } /* used by selection: complement pointer position */ @@ -947,15 +1250,27 @@ { static unsigned short *p = NULL; static unsigned short old = 0; +#ifdef CONFIG_ABSTRACT_CONSOLE + static unsigned short oldx = 0, oldy = 0; +#endif /* CONFIG_ABSTRACT_CONSOLE */ - if (p) + if (p) { scr_writew(old, p); + DO_VISUAL_IF_FG(putc_attr(currcons, old, oldy, oldx)); + } if (offset == -1) p = NULL; else { + unsigned short new; p = screenpos(currcons, offset, 1); old = scr_readw(p); - scr_writew(old ^ 0x7700, p); +#ifdef CONFIG_ABSTRACT_CONSOLE + oldx = (offset >> 1) % video_num_columns; + oldy = (offset >> 1) / video_num_columns; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ + new = complement_video_short(old); + scr_writew(new, p); + DO_VISUAL_IF_FG(putc_attr(currcons, new, oldy, oldx)); } } @@ -1122,6 +1437,7 @@ p++; } need_wrap = 0; + DO_VISUAL_IF_FG(insert_chars(currcons, 1)); } static void insert_line(int currcons, unsigned int nr) @@ -1130,6 +1446,7 @@ need_wrap = 0; } +#if 0 /* no longer used */ static void delete_char(int currcons) { unsigned int i = x; @@ -1141,7 +1458,9 @@ } scr_writew(video_erase_char, p); need_wrap = 0; + DO_VISUAL(delete_char(currcons, 1)); } +#endif /* no longer used */ static void delete_line(int currcons, unsigned int nr) { @@ -1151,18 +1470,28 @@ static void csi_at(int currcons, unsigned int nr) { - if (nr > video_num_columns) - nr = video_num_columns; + unsigned int i; + unsigned short *p; + + if (nr > video_num_columns - x) + nr = video_num_columns - x; else if (!nr) nr = 1; - while (nr--) - insert_char(currcons); + i = video_num_columns-nr-x; + p = (unsigned short *)pos + i; + while (i--) { + p--; + scr_writew(scr_readw(p), p+nr); + } + memsetw(p, video_erase_char, 2 * nr); + need_wrap = 0; + DO_VISUAL_IF_FG(insert_chars(currcons, nr)); } static void csi_L(int currcons, unsigned int nr) { - if (nr > video_num_lines) - nr = video_num_lines; + if (nr > video_num_lines - y) + nr = video_num_lines - y; else if (!nr) nr = 1; insert_line(currcons, nr); @@ -1170,18 +1499,28 @@ static void csi_P(int currcons, unsigned int nr) { - if (nr > video_num_columns) - nr = video_num_columns; + unsigned int i; + unsigned short *p; + + if (nr > video_num_columns - x) + nr = video_num_columns - x; else if (!nr) nr = 1; - while (nr--) - delete_char(currcons); + i = video_num_columns-nr-x; + p = (unsigned short *)pos; + while (i--) { + scr_writew(scr_readw(p+nr), p); + p++; + } + memsetw(p, video_erase_char, 2 * nr); + need_wrap = 0; + DO_VISUAL_IF_FG(delete_chars(currcons, nr)); } static void csi_M(int currcons, unsigned int nr) { - if (nr > video_num_lines) - nr = video_num_lines; + if (nr > video_num_lines - y) + nr = video_num_lines - y; else if (!nr) nr=1; delete_line(currcons, nr); @@ -1315,7 +1654,7 @@ currcons = vt->vc_num; if (vcmode != KD_GRAPHICS) set_cursor(currcons); -} +} static int do_con_write(struct tty_struct * tty, int from_user, const unsigned char *buf, int count) @@ -1340,6 +1679,11 @@ return 0; } + /* undraw cursor first */ + if (currcons == fg_console) + DO_VISUAL(hide_cursor(currcons)); + + /* clear the selection */ if (currcons == sel_cons) clear_selection(); @@ -1431,12 +1775,93 @@ cr(currcons); lf(currcons); } + +#ifdef CONFIG_ABSTRACT_CONSOLE + /* DPC: 1994-04-12 + * Speed up overstrike mode, using new putcs. + * + * P.S. I hate 8 spaces per tab! Use Emacs! + */ + + /* Only use this for the foreground console, + where we really draw the chars */ + + if (count > 2 && + !decim && !utf && currcons == fg_console) { + char *p = putcs_buf; + int putcs_count = 1; + ushort nextx = x + 1; + + *p++ = tc; + scr_writew((attr << 8) + tc, + (unsigned short *)pos); + pos+=2; + + if (nextx == video_num_columns) { + sw->con_putc(vc_cons[currcons].d, + *putcs_buf, y, x); + pos-=2; + need_wrap = decawm; + continue; + } + + /* TAB TAB TAB - Arghh!!!! */ + + while (count) { + enable_bh(CONSOLE_BH); + if (from_user) + get_user(c, buf); + else + c = *buf; + disable_bh(CONSOLE_BH); + tc = translate[toggle_meta ? (c|0x80) : c]; + if (!tc || + !(c >= 32 + || !(((disp_ctrl ? CTRL_ALWAYS + : CTRL_ACTION) >> c) & 1))) + break; + tc = conv_uni_to_pc(tc); + if (tc == -4) + tc = conv_uni_to_pc(0xfffd); + else if (tc == -3) + tc = c; + + buf++; n++; count--; + if (tc & ~console_charmask) + continue; /* Conversion failed */ + + *p++ = tc; + scr_writew((attr << 8) + tc, + (unsigned short *)pos); + pos+=2; + ++putcs_count; + ++nextx; + if (nextx == video_num_columns || + putcs_count == sizeof (putcs_buf)) + break; + } + + sw->con_putcs(vc_cons[currcons].d, + putcs_buf, putcs_count, y, x); + if (nextx == video_num_columns) { + pos-=2; + x = video_num_columns-1; + need_wrap = decawm; + } else + x += putcs_count; + continue; + } + + /* DPC: End of putcs support */ +#endif /* CONFIG_ABSTRACT_CONSOLE */ + if (decim) insert_char(currcons); scr_writew( video_mode_512ch ? ((attr & 0xf7) << 8) + ((tc & 0x100) << 3) + (tc & 0x0ff) : (attr << 8) + tc, (unsigned short *) pos); + DO_VISUAL_IF_FG(putc(currcons, tc, y, x)); if (x == video_num_columns - 1) need_wrap = decawm; else { @@ -1754,6 +2179,13 @@ /* DEC screen alignment test. kludge :-) */ video_erase_char = (video_erase_char & 0xff00) | 'E'; +#ifdef CONFIG_ABSTRACT_CONSOLE + /* Arno: + * Doesn't work, because csi_J(c,2) + * calls con_clear and doesn't print + * the erase char.. + */ +#endif /* CONFIG_ABSTRACT_CONSOLE */ csi_J(currcons, 2); video_erase_char = (video_erase_char & 0xff00) | ' '; @@ -1842,6 +2274,11 @@ int currcons = fg_console; unsigned char c; static int printing = 0; +#ifdef CONFIG_ABSTRACT_CONSOLE + const char *start = b; + ushort cnt = 0; + ushort myx = x; +#endif /* CONFIG_ABSTRACT_CONSOLE */ #if CONFIG_AP1000 prom_printf(b); @@ -1860,8 +2297,57 @@ return; } - while (count-- > 0) { - c = *(b++); +#ifdef CONFIG_ABSTRACT_CONSOLE + /* undraw cursor first */ + hide_cursor(currcons); + + /* Contrived structure to try to emulate original need_wrap behaviour + * Problems caused when we have need_wrap set on '\n' character */ + while (count--) { + c = *b++; + if (c == 10 || c == 13 || c == 8 || need_wrap) { + if ((cnt = b - start - 1) > 0) { + sw->con_putcs(vc_cons[currcons].d, start, cnt, y, x); + x += cnt; + if (need_wrap) + x--; + } + if (c == 8) { /* backspace */ + bs(currcons); + start = b; + myx = x; + continue; + } + if (c != 13) + lf(currcons); + cr(currcons); + if (c == 10 || c == 13) { + start = b; + myx = x; + continue; + } + start = b-1; + myx = x; + } + scr_writew((attr << 8) + c, (unsigned short *) pos); + if (myx == video_num_columns - 1) { + need_wrap = 1; + continue; + } + pos+=2; + myx++; + } + if ((cnt = b - start) > 0) { + sw->con_putcs(vc_cons[currcons].d, start, cnt, y, x); + x += cnt; + if (x == video_num_columns) { + x--; + need_wrap = 1; + } + } +#else /* !CONFIG_ABSTRACT_CONSOLE */ + while (count--) { + c = *b++; if (c == 10 || c == 13 || need_wrap) { if (c != 13) lf(currcons); @@ -1881,6 +2367,7 @@ x++; pos+=2; } +#endif /* !CONFIG_ABSTRACT_CONSOLE */ set_cursor(currcons); poke_blanked_console(); printing = 0; @@ -1949,14 +2436,6 @@ reset_terminal(currcons, do_clear); } -static void con_setsize(unsigned long rows, unsigned long cols) -{ - video_num_lines = rows; - video_num_columns = cols; - video_size_row = 2 * cols; - video_screen_size = video_num_lines * video_size_row; -} - /* * This is the console switching bottom half handler. * @@ -1999,9 +2478,7 @@ __initfunc(unsigned long con_init(unsigned long kmem_start)) { const char *display_desc = "????"; - int currcons = 0; - int orig_x = ORIG_X; - int orig_y = ORIG_Y; + unsigned int currcons = 0; #ifdef __sparc__ if (serial_console) { @@ -2015,6 +2492,10 @@ return kmem_start; } #endif +#ifdef CONFIG_ABSTRACT_CONSOLE + if (abscon_probe(&kmem_start)) + return kmem_start; +#endif /* CONFIG_ABSTRACT_CONSOLE */ memset(&console_driver, 0, sizeof(struct tty_driver)); console_driver.magic = TTY_DRIVER_MAGIC; @@ -2049,7 +2530,12 @@ #if CONFIG_AP1000 return(kmem_start); #endif - con_setsize(ORIG_VIDEO_LINES, ORIG_VIDEO_COLS); +#ifndef CONFIG_ABSTRACT_CONSOLE + video_num_lines = ORIG_VIDEO_LINES; + video_num_columns = ORIG_VIDEO_COLS; + video_size_row = 2 * ORIG_VIDEO_COLS; + video_screen_size = video_num_lines * video_size_row; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ timer_table[BLANK_TIMER].fn = blank_screen; timer_table[BLANK_TIMER].expires = 0; @@ -2060,11 +2546,13 @@ kmem_start = con_type_init(kmem_start, &display_desc); +#ifndef CONFIG_ABSTRACT_CONSOLE hardscroll_enabled = (hardscroll_disabled_by_init ? 0 : (video_type == VIDEO_TYPE_EGAC || video_type == VIDEO_TYPE_VGAC || video_type == VIDEO_TYPE_EGAM)); has_wrapped = 0 ; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ /* Due to kmalloc roundup allocating statically is more efficient - so provide MIN_NR_CONSOLES for people with very little memory */ @@ -2075,6 +2563,7 @@ kmem_start += sizeof(struct vc_data); vt_cons[currcons] = (struct vt_struct *) kmem_start; kmem_start += sizeof(struct vt_struct); + DO_VISUAL(init(currcons)); vc_scrbuf[currcons] = (unsigned short *) kmem_start; kmem_start += video_screen_size; kmalloced = 0; @@ -2089,19 +2578,27 @@ currcons = fg_console = 0; +#ifdef CONFIG_ABSTRACT_CONSOLE + gotoxy(currcons,0,0); + csi_J(currcons, 0); + printable = 1; + update_screen(fg_console); + sw->con_cursor(vc_cons[currcons].d, CM_DRAW); + printable = 1; +#else /* !CONFIG_ABSTRACT_CONSOLE */ video_mem_start = video_mem_base; video_mem_end = video_mem_term; origin = video_mem_start; scr_end = video_mem_start + video_num_lines * video_size_row; - gotoxy(currcons,orig_x,orig_y); + gotoxy(currcons,ORIG_X,ORIG_Y); set_origin(currcons); csi_J(currcons, 0); + printable = 1; /* Figure out the size of the screen and screen font so we can figure out the appropriate screen size should we load a different font */ - printable = 1; if ( video_type == VIDEO_TYPE_VGAC || video_type == VIDEO_TYPE_EGAC || video_type == VIDEO_TYPE_EGAM || video_type == VIDEO_TYPE_TGAC || video_type == VIDEO_TYPE_SUN ) @@ -2113,6 +2610,7 @@ printk("Console: %ld point font, %ld scans\n", video_font_height, video_scan_lines); } +#endif /* !CONFIG_ABSTRACT_CONSOLE */ printk("Console: %s %s %ldx%ld, %d virtual console%s (max %d)\n", can_do_color ? "colour" : "mono", @@ -2152,6 +2650,14 @@ if (console_blanked) return; +#ifdef CONFIG_ABSTRACT_CONSOLE + /* don't blank graphics */ + if (vt_cons[fg_console]->vc_mode != KD_TEXT) { + console_blanked = fg_console + 1; + hide_cursor(fg_console); + return; + } +#endif /* CONFIG_ABSTRACT_CONSOLE */ if(vesa_off_interval && !nopowersave) { timer_table[BLANK_TIMER].fn = vesa_powerdown_screen; timer_table[BLANK_TIMER].expires = jiffies + vesa_off_interval; @@ -2164,6 +2670,9 @@ /* try not to lose information by blanking, and not to waste memory */ currcons = fg_console; has_scrolled = 0; +#ifdef CONFIG_ABSTRACT_CONSOLE + sw->con_blank(1); +#else /* !CONFIG_ABSTRACT_CONSOLE */ blank__origin = __origin; blank_origin = origin; set_origin(fg_console); @@ -2171,7 +2680,8 @@ unblank_origin = origin; memsetw((void *)blank_origin, BLANK, 2*video_num_lines*video_num_columns); - hide_cursor(); + hide_cursor(fg_console); +#endif /* !CONFIG_ABSTRACT_CONSOLE */ console_blanked = fg_console + 1; if(!nopowersave) @@ -2187,9 +2697,10 @@ void do_unblank_screen(void) { int currcons; +#ifndef CONFIG_ABSTRACT_CONSOLE int resetorg; long offset; - +#endif /* !CONFIG_ABSTRACT_CONSOLE */ if (!console_blanked) return; if (!vc_cons_allocated(fg_console)) { @@ -2204,6 +2715,13 @@ } currcons = fg_console; +#ifdef CONFIG_ABSTRACT_CONSOLE + console_blanked = 0; + if (sw->con_blank(0)) + /* Low-level driver cannot restore -> do it ourselves */ + update_screen(fg_console); + set_cursor(fg_console); +#else /* !CONFIG_ABSTRACT_CONSOLE */ offset = 0; resetorg = 0; if (console_blanked == fg_console + 1 && origin == unblank_origin @@ -2226,6 +2744,7 @@ if (apm_display_unblank()) return; #endif +#endif /* !CONFIG_ABSTRACT_CONSOLE */ } /* @@ -2244,10 +2763,20 @@ void update_screen(int new_console) { +#ifdef CONFIG_ABSTRACT_CONSOLE + int currcons = fg_console; + int xx, yy, startx, attr_save; + char *bufp; + unsigned short *p; +#endif /* CONFIG_ABSTRACT_CONSOLE */ static int lock = 0; - if (new_console == fg_console || lock) + if (lock) + return; +#ifndef CONFIG_ABSTRACT_CONSOLE + if (new_console == fg_console) return; +#endif /* !CONFIG_ABSTRACT_CONSOLE */ if (!vc_cons_allocated(new_console)) { /* strange ... */ printk("update_screen: tty %d not allocated ??\n", new_console+1); @@ -2257,6 +2786,39 @@ clear_selection(); +#ifdef CONFIG_ABSTRACT_CONSOLE + currcons = fg_console = new_console; + sw->con_cursor (vc_cons[currcons].d, CM_ERASE); + sw->con_switch (vc_cons[new_console].d); + /* Update the screen contents */ + p = (unsigned short *)video_mem_start; + attr_save = attr; + for (yy = 0; yy < video_num_lines; yy++) { + bufp = putcs_buf; + for (startx = xx = 0; xx < video_num_columns; xx++) { + if (attr != ((scr_readw(p) >> 8) & 0xff)) { + if (bufp > putcs_buf) + sw->con_putcs (vc_cons[currcons].d, putcs_buf, + bufp - putcs_buf, yy, startx); + startx = xx; + bufp = putcs_buf; + attr = (scr_readw(p) >> 8) & 0xff; + } + *bufp++ = scr_readw(p++); + if (bufp == putcs_buf + sizeof (putcs_buf)) { + sw->con_putcs (vc_cons[currcons].d, putcs_buf, + bufp - putcs_buf, yy, startx); + startx = xx + 1; + bufp = putcs_buf; + } + } + if (bufp > putcs_buf) + sw->con_putcs (vc_cons[currcons].d, putcs_buf, + bufp - putcs_buf, yy, startx); + } + set_cursor (currcons); + attr = attr_save; +#else /* !CONFIG_ABSTRACT_CONSOLE */ if (!console_blanked) get_scrmem(fg_console); else @@ -2266,6 +2828,7 @@ set_scrmem(fg_console, 0); set_origin(fg_console); set_cursor(fg_console); +#endif /* !CONFIG_ABSTRACT_CONSOLE */ set_leds(); compute_shiftstate(); lock = 0; @@ -2276,17 +2839,17 @@ */ static int con_open(struct tty_struct *tty, struct file * filp) { - unsigned int idx; + unsigned int currcons; int i; - idx = MINOR(tty->device) - tty->driver.minor_start; + currcons = MINOR(tty->device) - tty->driver.minor_start; - i = vc_allocate(idx); + i = vc_allocate(currcons); if (i) return i; - vt_cons[idx]->vc_num = idx; - tty->driver_data = vt_cons[idx]; + vt_cons[currcons]->vc_num = currcons; + tty->driver_data = vt_cons[currcons]; if (!tty->winsize.ws_row && !tty->winsize.ws_col) { tty->winsize.ws_row = video_num_lines; --- geert-2.1.57/drivers/char/abscon.c.orig Sun Oct 5 18:50:40 1997 +++ geert-2.1.57/drivers/char/abscon.c Sun Oct 5 18:50:32 1997 @@ -0,0 +1,302 @@ +/* + * linux/drivers/char/abscon.c + * + * Created 7 Jan 1997 by Geert Uytterhoeven + * + * This module contains the abstract console driver. + * It is based on the original console driver, modified for Linux/m68k by + * + * - Arno Griffioen + * - David Carter + * + * The abstract console driver provides a generic interface for a non-VGA + * compatible text console. It can be used for machines that don't have a text + * mode at all or that have a special graphics processor that's only + * accessible through some registers (e.g. a TMS340x0 GSP). + * + * The interface to the hardware is specified using a special structure + * (struct consw) which contains function pointers to the following + * operations: + * + * int con_startup(u_long *kmem_start, const char **display_desc) + * void con_init(struct vc_data *conp) + * int con_deinit(struct vc_data *conp) + * int con_clear(struct vc_data *conp, int sy, int sx, int height, + * int width) + * int con_putc(struct vc_data *conp, int c, int y, int x) + * int con_putcs(struct vc_data *conp, const char *s, int count, int y, + * int x) + * int con_cursor(struct vc_data *conp, int mode) + * int con_scroll(struct vc_data *conp, int t, int b, int dir, int count) + * int con_bmove(struct vc_data *conp, int sy, int sx, int dy, int dx, + * int height, int width) + * int con_switch(struct vc_data *conp) + * int con_blank(int blank) + * int con_get_font(struct vc_data *conp, int *w, int *h, char *data) + * int con_set_font(struct vc_data *conp, int w, int h, char *data) + * int con_set_palette(struct vc_data *conp, unsigned char *table) + * + * Currently the abstract console driver is used by: + * + * - drivers/video/fbcon.c: Generic text console driver for a bitmapped + * display that's accessible through a frame + * buffer device + * + * - drivers/video/gspcon.c: Text console driver for video boards based on + * the Texas Instruments TMS34010 Graphical Signal + * Processor (e.g. CBM A2410 and DMI Resolver on + * Amiga) [ work in progress ] + * + * - drivers/video/txtcon.c: Skeleton for a simple text mode driver + * + * To do: + * + * - scrollback support + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define INCLUDE_LINUX_LOGO_DATA +#include + + +struct consw *conswitchp = NULL; + +static int vesa_blank_mode = 0; /* 0:none 1:suspendV 2:suspendH 3:powerdown */ + +static const char *abscon_display_desc = NULL; + +int (*console_show_logo)(void) __initdata = NULL; + +__initfunc(int abscon_probe(unsigned long *kmem_start)) +{ +#ifndef __mc68000__ + /* FIX ME: this should be done in architecture specific code */ + extern struct consw vga_con; + conswitchp = &vga_con; +#endif + if (conswitchp) + *kmem_start = conswitchp->con_startup(*kmem_start, + &abscon_display_desc); + return abscon_display_desc ? 0 : -ENODEV; +} + +__initfunc(int con_is_present(void)) +{ + /* if abscon_probe() fails, this function is never called */ + return 1; +} + +__initfunc(unsigned long con_type_init(unsigned long kmem_start, + const char **display_desc)) +{ + *display_desc = abscon_display_desc; + video_type = VIDEO_TYPE_ABSCON; + return kmem_start; +} + +__initfunc(void con_type_init_finish(void)) +{ + char q[2] = { 0, 1 }; + + if (console_show_logo) + q[1] += console_show_logo(); + conswitchp->con_putcs(vc_cons[fg_console].d, linux_logo_banner, + sizeof(linux_logo_banner)-1, q[1]-1, q[0]); + putconsxy(0, q); +} + + +void abscon_init(int currcons) +{ + /* ++Geert: sw->con_init determines console size */ + sw = conswitchp; + cons_num = currcons; + sw->con_init(vc_cons[currcons].d); + video_size_row = video_num_columns<<1; + video_screen_size = video_num_lines*video_size_row; +} + +void hide_cursor(int currcons) +{ + sw->con_cursor(vc_cons[currcons].d,CM_ERASE); +} + +void set_cursor(int currcons) +{ + if (currcons != fg_console || console_blanked || vcmode == KD_GRAPHICS) + return; + if (deccm) + sw->con_cursor(vc_cons[currcons].d,CM_DRAW); + else + hide_cursor(currcons); +} + +void set_vesa_blanking(int arg) +{ + char *argp = (char *)arg + 1; + unsigned int mode; + get_user(mode, argp); + vesa_blank_mode = (mode < 4) ? mode : 0; +} + +void vesa_blank(void) +{ + vc_cons[fg_console].d->vc_sw->con_blank(vesa_blank_mode + 1); +} + +void vesa_powerdown(void) +{ + /* + * Power down if currently suspended (1 or 2), + * suspend if currently blanked (0), + * else do nothing (i.e. already powered down (3)). + * Called only if powerdown features are allowed. + */ + switch (vesa_blank_mode) { + case 0: + vc_cons[fg_console].d->vc_sw->con_blank(2); + break; + case 1: + case 2: + vc_cons[fg_console].d->vc_sw->con_blank(4); + break; + } +} + + /* + * PIO_FONT support. + * + * Currently we only support 8 pixels wide fonts, at a maximum height + * of 32 pixels. Userspace fontdata is stored with 32 bytes reserved + * for each character which is kinda wasty, but this is done in order + * to maintain compatibility with the EGA/VGA fonts. It is upto the + * actual low-level console-driver convert data into its favorite + * format (maybe we should add a `fontoffset' field to the `display' + * structure so we wont have to convert the fontdata all the time. + * /Jes + */ + +#define cmapsz 8192 + +int set_get_font(unsigned char * arg, int set, int ch512) +{ + int i, unit, size; + char *charmap; + + if (!arg) + return -EINVAL; + + + size = ch512 ? 2*cmapsz : cmapsz; + + charmap = (char *)kmalloc(size, GFP_USER); + + if (set) { + if (copy_from_user(charmap, arg, size)) { + kfree(charmap); + return -EFAULT; + } + + for (unit = 32; unit > 0; unit--) + for (i = 0; i < (ch512 ? 512 : 256); i++) + if (charmap[32*i+unit-1]) + goto nonzero; + nonzero: + i = conswitchp->con_set_font(vc_cons[fg_console].d, 8, unit, charmap); + } else { + memset(charmap, 0, size); + i = conswitchp->con_get_font(vc_cons[fg_console].d, &unit, &unit, + charmap); + if (i == 0 && copy_to_user(arg, charmap, size)) + i = -EFAULT; + } + kfree(charmap); + + return i; +} + + /* + * Adjust the screen to fit a font of a certain height + * + * Returns < 0 for error, 0 if nothing changed, and the number + * of lines on the adjusted console if changed. + */ + +int con_adjust_height(unsigned long fontheight) +{ + int currcons = fg_console; + /* ++Geert: Always assume that the number of lines did change? */ + return video_num_lines; +} + +/* dummy functions */ + +void no_scroll(char *str, int *ints) +{ +} + +void scrollback(int lines) +{ + /* TODO */ +} + +void scrollfront(int lines) +{ + /* TODO */ +} + +void set_palette(void) +{ + if (vt_cons[fg_console]->vc_mode != KD_GRAPHICS) + conswitchp->con_set_palette(vc_cons[fg_console].d, color_table); +} + +int set_get_cmap(unsigned char *arg, int set) +{ + int i, j, k; + + for (i = 0; i < 16; i++) + if (set) { + get_user(default_red[i], arg++); + get_user(default_grn[i], arg++); + get_user(default_blu[i], arg++); + } else { + put_user(default_red[i], arg++); + put_user(default_grn[i], arg++); + put_user(default_blu[i], arg++); + } + if (set) { + for (i = 0; i < MAX_NR_CONSOLES; i++) + if (vc_cons_allocated(i)) + for (j = k = 0; j < 16; j++) { + vc_cons[i].d->vc_palette[k++] = default_red[j]; + vc_cons[i].d->vc_palette[k++] = default_grn[j]; + vc_cons[i].d->vc_palette[k++] = default_blu[j]; + } + set_palette(); + } + return 0; +} --- geert-2.1.57/drivers/char/Makefile.orig Fri Oct 3 22:44:14 1997 +++ geert-2.1.57/drivers/char/Makefile Sun Oct 5 18:53:07 1997 @@ -23,11 +23,20 @@ L_OBJS := tty_io.o n_tty.o tty_ioctl.o pty.o mem.o random.o ifdef CONFIG_VT -L_OBJS += vt.o vc_screen.o consolemap.o consolemap_deftbl.o +L_OBJS += console.o vt.o vc_screen.o consolemap.o consolemap_deftbl.o LX_OBJS += selection.o +ifdef CONFIG_ABSTRACT_CONSOLE + L_OBJS += abscon.o +else + ifdef CONFIG_TGA_CONSOLE + L_OBJS += tga.o + else + ifndef CONFIG_SUN_CONSOLE + L_OBJS += vga.o vesa_blank.o + endif + endif +endif -ifneq "$(ARCH)" "m68k" -L_OBJS += console.o endif ifdef CONFIG_FB @@ -150,8 +159,6 @@ endif endif -else - ifeq ($(CONFIG_SERIAL),y) ifndef CONFIG_SUN_SERIAL LX_OBJS += serial.o @@ -162,8 +169,6 @@ endif endif -endif - ifndef CONFIG_SUN_KEYBOARD ifdef CONFIG_VT L_OBJS += keyboard.o defkeymap.o @@ -463,18 +468,6 @@ endif endif -ifneq "$(ARCH)" "m68k" -ifdef CONFIG_VT - ifdef CONFIG_TGA_CONSOLE - L_OBJS += tga.o - else - ifndef CONFIG_SUN_CONSOLE - L_OBJS += vga.o vesa_blank.o - endif - endif -endif -endif - ifeq ($(CONFIG_HFMODEM),y) ALL_SUB_DIRS += hfmodem SUB_DIRS += hfmodem --- geert-2.1.57/drivers/char/tga.c.orig Fri Oct 3 22:46:05 1997 +++ geert-2.1.57/drivers/char/tga.c Sun Oct 5 18:53:08 1997 @@ -245,7 +245,7 @@ * Hide the cursor from view, during blanking, usually... */ void -hide_cursor(void) +hide_cursor(int currcons) { unsigned long flags; save_flags(flags); cli(); @@ -301,7 +301,7 @@ } } else - hide_cursor(); + hide_cursor(int currcons); restore_flags(flags); } --- geert-2.1.57/drivers/char/vga.c.orig Fri Oct 3 22:46:05 1997 +++ geert-2.1.57/drivers/char/vga.c Sun Oct 5 18:53:08 1997 @@ -132,7 +132,7 @@ * Put the cursor just beyond the end of the display adaptor memory. */ void -hide_cursor(void) +hide_cursor(int currcons) { /* This is inefficient, we could just put the cursor at 0xffff, but perhaps the delays due to the inefficiency are useful for --- geert-2.1.57/drivers/char/vt.c.orig Fri Oct 3 22:44:15 1997 +++ geert-2.1.57/drivers/char/vt.c Sun Oct 5 18:53:08 1997 @@ -438,7 +438,15 @@ if (i) return i; i = con_adjust_height(cfdarg.charheight); +#ifdef CONFIG_ABSTRACT_CONSOLE + /* + * ++Geert: vc_resize_con() will take note of the + * changed screen size, if necessary + */ + return (i <= 0) ? i : 0; +#else return (i <= 0) ? i : kd_size_changed(i, 0); +#endif } else return -EINVAL; case GIO_FONTX: @@ -1095,7 +1103,14 @@ if (i) return i; i = con_adjust_height(default_font_height); +#ifdef CONFIG_ABSTRACT_CONSOLE + /* + * ++Geert: vc_resize_con() will take note of the + * changed screen size, if necessary + */ +#else if ( i > 0 ) kd_size_changed(i, 0); +#endif con_set_default_unimap(); return 0; --- geert-2.1.57/drivers/char/selection.c.orig Sat Jun 21 20:16:38 1997 +++ geert-2.1.57/drivers/char/selection.c Sun Oct 5 18:53:08 1997 @@ -23,6 +23,7 @@ #include #include +#include #include #ifndef MIN @@ -121,15 +122,11 @@ int sel_mode, new_sel_start, new_sel_end, spc; char *bp, *obp; int i, ps, pe; - unsigned long num_lines, num_columns, size_row; + unsigned int currcons = fg_console; do_unblank_screen(); poke_blanked_console(); - num_lines = get_video_num_lines(fg_console); - num_columns = get_video_num_columns(fg_console); - size_row = get_video_size_row(fg_console); - { unsigned short *args, xs, ys, xe, ye; args = (unsigned short *)(arg + 1); @@ -151,12 +148,12 @@ sel_mode = *args; } xs--; ys--; xe--; ye--; - xs = limit(xs, num_columns - 1); - ys = limit(ys, num_lines - 1); - xe = limit(xe, num_columns - 1); - ye = limit(ye, num_lines - 1); - ps = ys * size_row + (xs << 1); - pe = ye * size_row + (xe << 1); + xs = limit(xs, video_num_columns - 1); + ys = limit(ys, video_num_lines - 1); + xe = limit(xe, video_num_columns - 1); + ye = limit(ye, video_num_lines - 1); + ps = ys * video_size_row + (xs << 1); + pe = ye * video_size_row + (xe << 1); if (sel_mode == 4) { /* useful for screendump without selection highlights */ @@ -196,7 +193,7 @@ (!spc && !inword(sel_pos(ps)))) break; new_sel_start = ps; - if (!(ps % size_row)) + if (!(ps % video_size_row)) break; } spc = isspace(sel_pos(pe)); @@ -206,14 +203,14 @@ (!spc && !inword(sel_pos(pe)))) break; new_sel_end = pe; - if (!((pe + 2) % size_row)) + if (!((pe + 2) % video_size_row)) break; } break; case 2: /* line-by-line selection */ - new_sel_start = ps - ps % size_row; - new_sel_end = pe + size_row - - pe % size_row - 2; + new_sel_start = ps - ps % video_size_row; + new_sel_end = pe + video_size_row + - pe % video_size_row - 2; break; case 3: highlight_pointer(pe); @@ -227,9 +224,11 @@ /* select to end of line if on trailing space */ if (new_sel_end > new_sel_start && - !atedge(new_sel_end, size_row) && isspace(sel_pos(new_sel_end))) { + !atedge(new_sel_end, video_size_row) && + isspace(sel_pos(new_sel_end))) { for (pe = new_sel_end + 2; ; pe += 2) - if (!isspace(sel_pos(pe)) || atedge(pe, size_row)) + if (!isspace(sel_pos(pe)) || + atedge(pe, video_size_row)) break; if (isspace(sel_pos(pe))) new_sel_end = pe; @@ -274,7 +273,7 @@ *bp = sel_pos(i); if (!isspace(*bp++)) obp = bp; - if (! ((i + 2) % size_row)) { + if (! ((i + 2) % video_size_row)) { /* strip trailing blanks from line and add newline, unless non-space at end of line. */ if (obp != bp) { --- geert-2.1.57/drivers/char/vc_screen.c.orig Sat Sep 27 21:21:06 1997 +++ geert-2.1.57/drivers/char/vc_screen.c Sun Oct 5 18:53:08 1997 @@ -32,8 +32,10 @@ #include #include #include +#include #include #include +#include #undef attr #undef org @@ -56,23 +58,21 @@ vcs_size(struct inode *inode) { int size; -#ifdef CONFIG_MULTIMON int currcons = MINOR(inode->i_rdev) & 127; +#ifdef CONFIG_MULTIMON /* Multimon patch */ if (!vc_cons[currcons].d) return 0; #endif -#ifdef CONFIG_FB_CONSOLE - int cons = MINOR(inode->i_rdev) & 127; - - if (cons == 0) - cons = fg_console; +#ifdef CONFIG_ABSTRACT_CONSOLE + if (currcons == 0) + currcons = fg_console; else - cons--; - if (!vc_cons_allocated(cons)) + currcons--; + if (!vc_cons_allocated(currcons)) return -ENXIO; #endif - size = get_video_num_lines(cons) * get_video_num_columns(cons); + size = video_num_lines * video_num_columns; if (MINOR(inode->i_rdev) & 128) size = 2*size + HEADER_SIZE; @@ -139,8 +139,8 @@ } else { if (p < HEADER_SIZE) { char header[HEADER_SIZE]; - header[0] = (char) get_video_num_lines(currcons); - header[1] = (char) get_video_num_columns(currcons); + header[0] = (char) video_num_lines; + header[1] = (char) video_num_columns; getconsxy(currcons, header+2); while (p < HEADER_SIZE && count > 0) { count--; put_user(header[p++], buf++); } @@ -236,7 +236,7 @@ func_scr_writew((func_scr_readw(org) & 0xff00) | c, org); } } -#ifdef CONFIG_FB_CONSOLE +#ifdef CONFIG_ABSTRACT_CONSOLE if (currcons == fg_console) /* Horribly inefficient if count < screen size. */ update_screen(currcons); --- geert-2.1.57/drivers/char/Config.in.orig Fri Oct 3 22:46:05 1997 +++ geert-2.1.57/drivers/char/Config.in Sun Oct 5 19:06:19 1997 @@ -6,6 +6,10 @@ bool 'Virtual terminal' CONFIG_VT if [ "$CONFIG_VT" = "y" ]; then + define_bool CONFIG_ABSTRACT_CONSOLE y + if [ "$CONFIG_TGA_CONSOLE" != "y" -a "$CONFIG_SUN_CONSOLE" != "y" ]; then + define_bool CONFIG_VGA_CONSOLE y + fi bool 'Support for console on virtual terminal' CONFIG_VT_CONSOLE fi tristate 'Standard/generic (dumb) serial support' CONFIG_SERIAL --- geert-2.1.57/drivers/video/vgacon.c.orig Sun Oct 5 18:51:30 1997 +++ geert-2.1.57/drivers/video/vgacon.c Sun Oct 5 18:51:25 1997 @@ -0,0 +1,585 @@ +/* + * linux/drivers/video/vgacon.c -- Low level VGA based console driver + * + * Created 28 Sep 1997 by Geert Uytterhoeven + * + * This file is based on the old console.c, vga.c and vesa_blank.c drivers. + * + * Copyright (C) 1991, 1992 Linus Torvalds + * 1995 Jay Estabrook + * + * User definable mapping table and font loading by Eugene G. Crosser, + * + * + * Improved loadable font/UTF-8 support by H. Peter Anvin + * Feb-Sep 1995 + * + * Colour palette handling, by Simon Tatham + * 17-Jun-95 + * + * if 512 char mode is already enabled don't re-enable it, + * because it causes screen to flicker, by Mitja Horvat + * 5-May-96 + * + * Use 2 outw instead of 4 outb_p to reduce erroneous text + * flashing on RHS of screen during heavy console scrolling . + * Oct 1996, Paul Gortmaker. + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + + + + +/* KNOWN PROBLEMS ========================================================== * + * + * - monochrome attribute encoding (convert abscons <-> VGA style) + * + * - loadable fonts + * + * KNOWN PROBLEMS ========================================================== */ + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + + +#define BLANK 0x0020 + +#define CAN_LOAD_EGA_FONTS /* undefine if the user must not do this */ +#define CAN_LOAD_PALETTE /* undefine if the user must not do this */ + +#define dac_reg (0x3c8) +#define dac_val (0x3c9) + +#ifdef __powerpc__ +#define VGA_OFFSET _ISA_MEM_BASE; +#else +#define VGA_OFFSET 0x0 +#endif + + +/* + * Interface used by the world + */ + +static unsigned long vgacon_startup(unsigned long kmem_start, + const char **display_desc); +static void vgacon_init(struct vc_data *conp); +static int vgacon_deinit(struct vc_data *conp); +static int vgacon_clear(struct vc_data *conp, int sy, int sx, int height, + int width); +static int vgacon_putc(struct vc_data *conp, int c, int ypos, int xpos); +static int vgacon_putcs(struct vc_data *conp, const char *s, int count, + int ypos, int xpos); +static int vgacon_cursor(struct vc_data *conp, int mode); +static int vgacon_scroll(struct vc_data *conp, int t, int b, + int dir, int count); +static int vgacon_bmove(struct vc_data *conp, int sy, int sx, int dy, int dx, + int height, int width); +static int vgacon_switch(struct vc_data *conp); +static int vgacon_blank(int blank); +static int vgacon_get_font(struct vc_data *conp, int *w, int *h, char *data); +static int vgacon_set_font(struct vc_data *conp, int w, int h, char *data); +static int vgacon_set_palette(struct vc_data *conp, unsigned char *table); + + +/* + * Internal routines + */ + +static int vgacon_show_logo(void); + + +/* Description of the hardware situation */ +static unsigned long vga_video_mem_base; /* Base of video memory */ +static unsigned long vga_video_mem_term; /* End of video memory */ +static unsigned short vga_video_port_reg; /* Video register select port */ +static unsigned short vga_video_port_val; /* Video register value port */ +static unsigned long vga_video_num_columns; /* Number of text columns */ +static unsigned long vga_video_num_lines; /* Number of text lines */ +static unsigned long vga_video_size_row; +static unsigned long vga_video_screen_size; + +static int vga_can_do_color = 0; +static unsigned long vga_default_font_height; /* Height of default screen font */ + +static unsigned char vga_video_type; +static unsigned char vga_has_wrapped; /* all of videomem is data of fg_console */ +static unsigned char vga_hardscroll_enabled; +static unsigned char vga_hardscroll_disabled_by_init = 0; + + + + /* + * VGA screen access + */ + +static inline void vga_writew(unsigned short val, unsigned short * addr) +{ +#ifdef __powerpc__ + st_le16(addr, val); +#else + writew(val, (unsigned long) addr); +#endif /* !__powerpc__ */ +} + +static inline unsigned short vga_readw(unsigned short * addr) +{ +#ifdef __powerpc__ + return ld_le16(addr); +#else + return readw((unsigned long) addr); +#endif /* !__powerpc__ */ +} + +static inline void vga_memsetw(void * s, unsigned short c, unsigned int count) +{ + unsigned short * addr = (unsigned short *) s; + + while (count) { + count--; + vga_writew(c, addr++); + } +} + +static inline void vga_memmovew(unsigned short *to, unsigned short *from, + unsigned int count) +{ + if (to < from) { + while (count) { + count--; + vga_writew(vga_readw(from++), to++); + } + } else { + from += count; + to += count; + while (count) { + count--; + vga_writew(vga_readw(--from), --to); + } + } +} + + +/* + * By replacing the four outb_p with two back to back outw, we can reduce + * the window of opportunity to see text mislocated to the RHS of the + * console during heavy scrolling activity. However there is the remote + * possibility that some pre-dinosaur hardware won't like the back to back + * I/O. Since the Xservers get away with it, we should be able to as well. + */ +static inline void write_vga(unsigned char reg, unsigned int val) +{ +#ifndef SLOW_VGA + unsigned int v1, v2; + + v1 = reg + (val & 0xff00); + v2 = reg + 1 + ((val << 8) & 0xff00); + outw(v1, vga_video_port_reg); + outw(v2, vga_video_port_reg); +#else + outb_p(reg, vga_video_port_reg); + outb_p(val >> 8, vga_video_port_val); + outb_p(reg+1, vga_video_port_reg); + outb_p(val & 0xff, vga_video_port_val); +#endif +} + + +__initfunc(static unsigned long vgacon_startup(unsigned long kmem_start, + const char **display_desc)) +{ + unsigned short saved; + unsigned short *p; + + /* + * Find out if there is a graphics card present. + * Are there smarter methods around? + */ + p = (unsigned short *)(((ORIG_VIDEO_MODE == 7) ? 0xb0000 : 0xb8000) + + + VGA_OFFSET); + saved = vga_readw(p); + vga_writew(0xAA55, p); + if (vga_readw(p) != 0xAA55) { + vga_writew(saved, p); + return kmem_start; + } + vga_writew(0x55AA, p); + if (vga_readw(p) != 0x55AA) { + vga_writew(saved, p); + return kmem_start; + } + vga_writew(saved, p); + + vga_video_num_lines = ORIG_VIDEO_LINES; + vga_video_num_columns = ORIG_VIDEO_COLS; + vga_video_size_row = 2 * ORIG_VIDEO_COLS; + vga_video_screen_size = vga_video_num_lines * vga_video_size_row; + + if (ORIG_VIDEO_MODE == 7) /* Is this a monochrome display? */ + { + vga_video_mem_base = 0xb0000 + VGA_OFFSET; + vga_video_port_reg = 0x3b4; + vga_video_port_val = 0x3b5; + if ((ORIG_VIDEO_EGA_BX & 0xff) != 0x10) + { + vga_video_type = VIDEO_TYPE_EGAM; + vga_video_mem_term = 0xb8000 + VGA_OFFSET; + *display_desc = "EGA+"; + request_region(0x3b0,16,"ega"); + } + else + { + vga_video_type = VIDEO_TYPE_MDA; + vga_video_mem_term = 0xb2000 + VGA_OFFSET; + *display_desc = "*MDA"; + request_region(0x3b0,12,"mda"); + request_region(0x3bf, 1,"mda"); + } + } + else /* If not, it is color. */ + { + vga_can_do_color = 1; + vga_video_mem_base = 0xb8000 + VGA_OFFSET; + vga_video_port_reg = 0x3d4; + vga_video_port_val = 0x3d5; + if ((ORIG_VIDEO_EGA_BX & 0xff) != 0x10) + { + int i ; + + vga_video_mem_term = 0xc0000 + VGA_OFFSET; + + if (!ORIG_VIDEO_ISVGA) { + vga_video_type = VIDEO_TYPE_EGAC; + *display_desc = "EGA"; + request_region(0x3c0,32,"ega"); + } else { + vga_video_type = VIDEO_TYPE_VGAC; + *display_desc = "VGA+"; + request_region(0x3c0,32,"vga+"); + +#ifdef VGA_CAN_DO_64KB + /* + * get 64K rather than 32K of video RAM. + * This doesn't actually work on all "VGA" + * controllers (it seems like setting MM=01 + * and COE=1 isn't necessarily a good idea) + */ + vga_video_mem_base = 0xa0000 + VGA_OFFSET; + vga_video_mem_term = 0xb0000 + VGA_OFFSET; + outb_p (6, 0x3ce) ; + outb_p (6, 0x3cf) ; +#endif + + /* + * Normalise the palette registers, to point + * the 16 screen colours to the first 16 + * DAC entries. + */ + + for (i=0; i<16; i++) { + inb_p (0x3da) ; + outb_p (i, 0x3c0) ; + outb_p (i, 0x3c0) ; + } + outb_p (0x20, 0x3c0) ; + + /* now set the DAC registers back to their + * default values */ + + for (i=0; i<16; i++) { + outb_p (color_table[i], 0x3c8) ; + outb_p (default_red[i], 0x3c9) ; + outb_p (default_grn[i], 0x3c9) ; + outb_p (default_blu[i], 0x3c9) ; + } + } + } + else + { + vga_video_type = VIDEO_TYPE_CGA; + vga_video_mem_term = 0xba000 + VGA_OFFSET; + *display_desc = "*CGA"; + request_region(0x3d4,2,"cga"); + } + } + + vga_hardscroll_enabled = (vga_hardscroll_disabled_by_init ? 0 : + (vga_video_type == VIDEO_TYPE_EGAC + || vga_video_type == VIDEO_TYPE_VGAC + || vga_video_type == VIDEO_TYPE_EGAM)); + vga_has_wrapped = 0; + + if (vga_video_type == VIDEO_TYPE_VGAC + || vga_video_type == VIDEO_TYPE_EGAC + || vga_video_type == VIDEO_TYPE_EGAM) + { + vga_default_font_height = ORIG_VIDEO_POINTS; + video_font_height = ORIG_VIDEO_POINTS; + /* This may be suboptimal but is a safe bet - go with it */ + video_scan_lines = + video_font_height * vga_video_num_lines; + + printk("Console: %ld point font, %ld scans\n", + video_font_height, video_scan_lines); + } + + if (!console_show_logo) + console_show_logo = vgacon_show_logo; + + return kmem_start; +} + + +static void vgacon_init(struct vc_data *conp) +{ + conp->vc_cols = vga_video_num_columns; + conp->vc_rows = vga_video_num_lines; + conp->vc_can_do_color = vga_can_do_color; +} + +static int vgacon_deinit(struct vc_data *conp) +{ + return 0; +} + + +/* ====================================================================== */ + +static int vgacon_clear(struct vc_data *conp, int sy, int sx, int height, + int width) +{ + int rows; + unsigned long dest; + + if (console_blanked) + return 0; + + dest = vga_video_mem_base + sy*vga_video_size_row + sx*2; + if (sx == 0 && width == vga_video_num_columns) + vga_memsetw((void *)dest, conp->vc_video_erase_char, height * width); + else + for (rows = height; rows-- ; dest += vga_video_size_row) + vga_memsetw((void *)dest, conp->vc_video_erase_char, width); + return 0; +} + + +static int vgacon_putc(struct vc_data *conp, int c, int ypos, int xpos) +{ + u_short *p; + + if (console_blanked) + return 0; + + p = (u_short *)(vga_video_mem_base+ypos*vga_video_size_row+xpos*2); + vga_writew(conp->vc_attr << 8 | c, p); + return 0; +} + + +static int vgacon_putcs(struct vc_data *conp, const char *s, int count, + int ypos, int xpos) +{ + u_short *p; + u_short sattr; + + if (console_blanked) + return 0; + + p = (u_short *)(vga_video_mem_base+ypos*vga_video_size_row+xpos*2); + sattr = conp->vc_attr << 8; + while (count--) + vga_writew(sattr | *s++, p++); + return 0; +} + + +static int vgacon_cursor(struct vc_data *conp, int mode) +{ + switch (mode) { + case CM_ERASE: + write_vga(14, (vga_video_mem_term - vga_video_mem_base - 1)>>1); + break; + + case CM_MOVE: + case CM_DRAW: + write_vga(14, conp->vc_y*vga_video_num_columns+conp->vc_x); + break; + } + return 0; +} + + +static int vgacon_scroll(struct vc_data *conp, int t, int b, int dir, int count) +{ + if (console_blanked) + return 0; + + vgacon_cursor(conp, CM_ERASE); + + switch (dir) { + case SM_UP: + if (count > conp->vc_rows) /* Maximum realistic size */ + count = conp->vc_rows; + vgacon_bmove(conp, t+count, 0, t, 0, b-t-count, conp->vc_cols); + vgacon_clear(conp, b-count, 0, count, conp->vc_cols); + break; + + case SM_DOWN: + if (count > conp->vc_rows) /* Maximum realistic size */ + count = conp->vc_rows; + /* + * Fixed bmove() should end Arno's frustration with copying? + * Confucius says: + * Man who copies in wrong direction, end up with trashed + * data + */ + vgacon_bmove(conp, t, 0, t+count, 0, b-t-count, conp->vc_cols); + vgacon_clear(conp, t, 0, count, conp->vc_cols); + break; + + case SM_LEFT: + vgacon_bmove(conp, 0, t+count, 0, t, conp->vc_rows, b-t-count); + vgacon_clear(conp, 0, b-count, conp->vc_rows, count); + break; + + case SM_RIGHT: + vgacon_bmove(conp, 0, t, 0, t+count, conp->vc_rows, b-t-count); + vgacon_clear(conp, 0, t, conp->vc_rows, count); + break; + } + + return 0; +} + + +static int vgacon_bmove(struct vc_data *conp, int sy, int sx, int dy, int dx, + int height, int width) +{ + unsigned long src, dst; + int rows; + + if (console_blanked) + return 0; + + if (sx == 0 && dx == 0 && width == vga_video_num_columns) { + src = vga_video_mem_base + sy * vga_video_size_row; + dst = vga_video_mem_base + dy * vga_video_size_row; + vga_memmovew((unsigned short *)dst, (unsigned short *)src, + height * width); + } else if (dy < sy || (dy == sy && dx < sx)) { + src = vga_video_mem_base + sy * vga_video_size_row + sx * 2; + dst = vga_video_mem_base + dy * vga_video_size_row + dx * 2; + for (rows = height; rows-- ;) { + vga_memmovew((unsigned short *)dst, (unsigned short *)src, width); + src += vga_video_size_row; + dst += vga_video_size_row; + } + } else { + src = vga_video_mem_base + (sy+height-1) * vga_video_size_row + sx * 2; + dst = vga_video_mem_base + (dy+height-1) * vga_video_size_row + dx * 2; + for (rows = height; rows-- ;) { + vga_memmovew((unsigned short *)dst, (unsigned short *)src, width); + src -= vga_video_size_row; + dst -= vga_video_size_row; + } + } + return 0; +} + + +static int vgacon_switch(struct vc_data *conp) +{ + return 0; +} + + +static int vgacon_blank(int blank) +{ + if (blank) { + vga_memsetw((void *)vga_video_mem_base, BLANK, vga_video_screen_size/2); + return 0; + } else { + /* Tell console.c that it has to restore the screen itself */ + return(1); + } + return 0; +} + + +static int vgacon_get_font(struct vc_data *conp, int *w, int *h, char *data) +{ + /* TODO */ + return -ENOSYS; +} + + +static int vgacon_set_font(struct vc_data *conp, int w, int h, char *data) +{ + /* TODO */ + return -ENOSYS; +} + +static int vgacon_set_palette(struct vc_data *conp, unsigned char *table) +{ + int i, j ; + + if (vga_video_type != VIDEO_TYPE_VGAC || console_blanked || + vt_cons[fg_console]->vc_mode == KD_GRAPHICS) + return -EINVAL; + + for (i=j=0; i<16; i++) { + outb_p (table[i], dac_reg) ; + outb_p (vc_cons[fg_console].d->vc_palette[j++]>>2, dac_val) ; + outb_p (vc_cons[fg_console].d->vc_palette[j++]>>2, dac_val) ; + outb_p (vc_cons[fg_console].d->vc_palette[j++]>>2, dac_val) ; + } + return 0; +} + + +__initfunc(static int vgacon_show_logo( void )) +{ + int height = 0; + char *p; + + printk(linux_serial_image); + for (p = linux_serial_image; *p; p++) + if (*p == '\n') + height++; + return height; +} + + + +/* + * The console `switch' structure for the VGA based console + */ + +struct consw vga_con = { + vgacon_startup, vgacon_init, vgacon_deinit, vgacon_clear, vgacon_putc, + vgacon_putcs, vgacon_cursor, vgacon_scroll, vgacon_bmove, vgacon_switch, + vgacon_blank, vgacon_get_font, vgacon_set_font, vgacon_set_palette +}; --- geert-2.1.57/drivers/video/Makefile.orig Fri Oct 3 22:44:17 1997 +++ geert-2.1.57/drivers/video/Makefile Sun Oct 5 18:59:02 1997 @@ -19,13 +19,15 @@ MX_OBJS := MOD_LIST_NAME := VIDEO_MODULES -# Frame buffer devices +# Frame Buffer Console ifeq ($(CONFIG_FB),y) L_OBJS += fonts.o font_8x8.o font_8x16.o pearl_8x8.o LX_OBJS += fbcon.o fbcmap.o endif +# Frame buffer devices + ifeq ($(CONFIG_FB_AMIGA),y) L_OBJS += amifb.o else @@ -164,12 +166,18 @@ endif endif +# GSP Console + ifdef CONFIG_AMIGA_GSP L_OBJS := $(L_OBJS) gspcon.o gspcore.o endif +# VGA Console + +ifdef CONFIG_VGA_CONSOLE +L_OBJS := $(L_OBJS) vgacon.o +endif + include $(TOPDIR)/Rules.make gspcore.c: gspcore.gsp - $(GSPA) $< > $*.hex - $(GSPH2C) $*.hex > gspcore.c --- geert-2.1.57/arch/m68k/kernel/console.c.orig Fri Oct 3 22:46:04 1997 +++ geert-2.1.57/arch/m68k/kernel/console.c Sun Oct 5 18:49:23 1997 @@ -1,2780 +0,0 @@ -/* - * linux/drivers/char/console.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ -/* - * console.c - * - * This module exports the console io functions: - * - * 'void do_keyboard_interrupt(void)' - * - * 'int vc_allocate(unsigned int console)' - * 'int vc_cons_allocated(unsigned int console)' - * 'int vc_resize(unsigned long lines, unsigned long cols)' - * 'int vc_resize_con(unsigned long lines, unsigned long cols, - * unsigned int currcons)' - * 'void vc_disallocate(unsigned int currcons)' - * - * 'unsigned long con_init(unsigned long)' - * 'int con_open(struct tty_struct *tty, struct file * filp)' - * 'void con_write(struct tty_struct * tty)' - * 'void vt_console_print(const char * b)' - * 'void update_screen(int new_console)' - * - * 'void do_blank_screen(int)' - * 'void do_unblank_screen(void)' - * 'void poke_blanked_console(void)' - * - * 'unsigned short *screen_pos(int currcons, int w_offset, int viewed)' - * 'void complement_pos(int currcons, int offset)' - * 'void invert_screen(int currcons, int offset, int count, int shift)' - * - * 'void scrollback(int lines)' - * 'void scrollfront(int lines)' - * - * 'int con_get_font(char *)' - * 'int con_set_font(char *)' - * - * 'void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry)' - * 'int mouse_reporting(void)' - * - * 'unsigned long get_video_num_lines(unsigned int console)' - * 'unsigned long get_video_num_columns(unsigned int console)' - * 'unsigned long get_video_size_row(unsigned int console)' - * - * Hopefully this will be a rather complete VT102 implementation. - * - * Beeping thanks to John T Kohl. - * - * Virtual Consoles, Screen Blanking, Screen Dumping, Color, Graphics - * Chars, and VT100 enhancements by Peter MacDonald. - * - * Copy and paste function by Andrew Haylett, - * some enhancements by Alessandro Rubini. - * - * User definable mapping table and font loading by Eugene G. Crosser, - * - * - * Code to check for different video-cards mostly by Galen Hunt, - * - * - * Rudimentary ISO 10646/Unicode/UTF-8 character set support by - * Markus Kuhn, . - * - * Dynamic allocation of consoles, aeb@cwi.nl, May 1994 - * Resizing of consoles, aeb, 940926 - * - * Code for xterm like mouse click reporting by Peter Orbaek 20-Jul-94 - * - * - * 680x0 LINUX support by Arno Griffioen (arno@usn.nl) - * - * 9-Apr-94: Arno Griffioen: fixed scrolling and delete-char bug. - * Scrolling code moved to amicon.c - * - * 18-Apr-94: David Carter [carter@cs.bris.ac.uk]. 680x0 LINUX modified - * Integrated support for new low level driver `amicon_ocs.c' - * - */ - -#define BLANK 0x0020 -#define CAN_LOAD_EGA_FONTS /* undefine if the user must not do this */ - -/* A bitmap for codes <32. A bit of 1 indicates that the code - * corresponding to that bit number invokes some special action - * (such as cursor movement) and should not be displayed as a - * glyph unless the disp_ctrl mode is explicitly enabled. - */ -#define CTRL_ACTION 0x0d00ff81 -#define CTRL_ALWAYS 0x0800f501 /* Cannot be overridden by disp_ctrl */ - -/* - * Here is the default bell parameters: 750HZ, 1/8th of a second - */ -#define DEFAULT_BELL_PITCH 750 -#define DEFAULT_BELL_DURATION (HZ/8) - -/* - * NOTE!!! We sometimes disable and enable interrupts for a short while - * (to put a word in video IO), but this will work even for keyboard - * interrupts. We know interrupts aren't enabled when getting a keyboard - * interrupt, as we use trap-gates. Hopefully all is well. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define INCLUDE_LINUX_LOGO_DATA -#include - -#include -#include -#include -#include -#include - - -#ifndef MIN -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif - -struct tty_driver console_driver; -static int console_refcount; -static struct tty_struct *console_table[MAX_NR_CONSOLES]; -static struct termios *console_termios[MAX_NR_CONSOLES]; -static struct termios *console_termios_locked[MAX_NR_CONSOLES]; - -static void vc_init(unsigned int console, int do_clear); - -static void update_attr(int currcons); -static void gotoxy(int currcons, int new_x, int new_y); -static void save_cur(int currcons); -static void blank_screen(void); -static void unblank_screen(void); -static int con_open(struct tty_struct *, struct file *); -extern void change_console(unsigned int); -static inline void set_cursor(int currcons); -static void reset_terminal(int currcons, int do_clear); -extern void reset_vc(unsigned int new_console); -extern void vt_init(void); -static void set_vesa_blanking(unsigned long arg); -extern void vesa_blank(void); -extern void vesa_unblank(void); -extern void compute_shiftstate(void); -extern void reset_palette(int currcons); -extern void set_palette(void); -extern int con_is_present(void); -void poke_blanked_console(void); -void do_blank_screen(int); - -#if 0 -/* Make sure there are no references left to this variables. */ -unsigned long video_num_lines; -unsigned long video_num_columns; -unsigned long video_size_row; -#endif - -static int printable = 0; /* Is console ready for printing? */ -unsigned long video_font_height; /* Height of current screen font */ -unsigned long video_scan_lines; /* Number of scan lines on screen */ -unsigned long default_font_height; /* Height of default screen font */ -int video_mode_512ch = 0; /* 512-character mode */ -static unsigned short console_charmask = 0x0ff; - -static unsigned short *vc_scrbuf[MAX_NR_CONSOLES]; -struct vc vc_cons [MAX_NR_CONSOLES]; - -/* used by kbd_bh - set by keyboard_interrupt */ - int do_poke_blanked_console = 0; - int console_blanked = 0; -static int blankinterval = 10*60*HZ; -static int vesa_off_interval = 0; -static int vesa_blank_mode = 0; /* 0:none 1:suspendV 2:suspendH 3:powerdown */ - -/* - * fg_console is the current virtual console, - * last_console is the last used one, - * want_console is the console we want to switch to, - * kmsg_redirect is the console for kernel messages, - */ -int fg_console = 0; -int last_console = 0; -int want_console = -1; -int kmsg_redirect = 0; - -struct consw *conswitchp; - -#define cols (vc_cons[currcons].d->vc_cols) -#define rows (vc_cons[currcons].d->vc_rows) -#define size_row (vc_cons[currcons].d->vc_size_row) -#define screenbuf_size (vc_cons[currcons].d->vc_screenbuf_size) -#define cons_num (vc_cons[currcons].d->vc_num) -#define origin (vc_cons[currcons].d->vc_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_mem_start (vc_cons[currcons].d->vc_video_mem_start) -#define video_mem_end (vc_cons[currcons].d->vc_video_mem_end) -#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 has_scrolled (vc_cons[currcons].d->vc_has_scrolled) -#define kmalloced (vc_cons[currcons].d->vc_kmalloced) -#define report_mouse (vc_cons[currcons].d->vc_report_mouse) -#define can_do_color (vc_cons[currcons].d->vc_can_do_color) -#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 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 sw (vc_cons[currcons].d->vc_sw) - -#define vcmode (vt_cons[currcons]->vc_mode) -#if 0 /* XXX */ -#define vtmode (vt_cons[currcons]->vt_mode) -#define vtpid (vt_cons[currcons]->vt_pid) -#define vtnewvt (vt_cons[currcons]->vt_newvt) -#endif - -int vc_cons_allocated(unsigned int i) -{ - return (i < MAX_NR_CONSOLES && vc_cons[i].d); -} - -int vc_allocate(unsigned int currcons) /* return 0 on success */ -{ - if (currcons >= MAX_NR_CONSOLES) - return -ENODEV; - if (!vc_cons[currcons].d) { - long p, q; - - /* prevent users from taking too much memory */ - if (currcons >= MAX_NR_USER_CONSOLES && !suser()) - return -EPERM; - - /* due to the granularity of kmalloc, we waste some memory here */ - /* the alloc is done in two steps, to optimize the common situation - of a 25x80 console (structsize=216, screenbuf_size=4000) */ - p = (long) kmalloc(structsize, GFP_KERNEL); - if (!p) - return -ENOMEM; - vc_cons[currcons].d = (struct vc_data *) p; - vt_cons[currcons] = (struct vt_struct *)(p+sizeof(struct vc_data)); - - /* ++Geert: sw->con_init determines console size */ - sw = conswitchp; - cons_num = currcons; - sw->con_init (vc_cons[currcons].d); - size_row = cols<<1; - screenbuf_size = rows*size_row; - - q = (long) kmalloc(screenbuf_size, GFP_KERNEL); - if (!q) { - kfree_s((char *) p, structsize); - vc_cons[currcons].d = NULL; - return -ENOMEM; - } - vc_scrbuf[currcons] = (unsigned short *) q; - kmalloced = 1; - vc_init (currcons, 1); - } - return 0; -} - -/* - * Change # of rows and columns (0 means the size of fg_console) - * [this is to be used together with some user program - * like resize that changes the hardware videomode] - */ -int vc_resize(unsigned long lines, unsigned long columns) -{ - unsigned long cc, ll, ss, sr; - unsigned long occ, oll, oss, osr; - unsigned short *p; - unsigned int currcons = fg_console, i; - unsigned short *newscreens[MAX_NR_CONSOLES]; - long ol, nl, rlth, rrem; - - cc = (columns ? columns : cols); - ll = (lines ? lines : rows); - sr = cc << 1; - ss = sr * ll; - - /* - * Some earlier version had all consoles of potentially - * different sizes, but that was really messy. - * So now we only change if there is room for all consoles - * of the same size. - */ - for (currcons = 0; currcons < MAX_NR_CONSOLES; currcons++) { - if (!vc_cons_allocated(currcons)) - newscreens[currcons] = 0; - else { - p = (unsigned short *) kmalloc(ss, GFP_USER); - if (!p) { - for (i = 0; i< currcons; i++) - if (newscreens[i]) - kfree_s(newscreens[i], ss); - return -ENOMEM; - } - newscreens[currcons] = p; - } - } - -#if 0 /* XXX */ - get_scrmem(fg_console); -#endif - - for (currcons = 0; currcons < MAX_NR_CONSOLES; currcons++) { - if (!vc_cons_allocated(currcons)) - continue; - - oll = rows; - occ = cols; - osr = size_row; - oss = screenbuf_size; - - rows = ll; - cols = cc; - size_row = sr; - screenbuf_size = ss; - - rlth = MIN(osr, sr); - rrem = sr - rlth; - ol = origin; - nl = (long) newscreens[currcons]; - if (ll < oll) - ol += (oll - ll) * osr; - - update_attr(currcons); - while (ol < scr_end) { - /* ++Geert: TODO: Because the attributes have different meanings - on monochrome and color, they should really be converted if - can_do_color changes... */ - memcpyw((unsigned short *) nl, (unsigned short *) ol, rlth); - if (rrem) - memsetw((void *)(nl + rlth), video_erase_char, rrem); - ol += osr; - nl += sr; - } - - if (kmalloced) - kfree_s(vc_scrbuf[currcons], oss); - vc_scrbuf[currcons] = newscreens[currcons]; - kmalloced = 1; - screenbuf_size = ss; - - origin = (long) video_mem_start = vc_scrbuf[currcons]; - scr_end = video_mem_end = ((long) video_mem_start) + ss; - - if (scr_end > nl) - memsetw((void *) nl, video_erase_char, scr_end - nl); - - /* do part of a reset_terminal() */ - top = 0; - bottom = rows; - gotoxy(currcons, x, y); - save_cur(currcons); - } - -#if 0 /* XXX */ - set_scrmem(fg_console, 0); - set_origin(fg_console); -#endif /* XXX */ - /* don't update in graphics mode */ - if (currcons == fg_console && vt_cons[fg_console]->vc_mode == KD_TEXT) - update_screen(fg_console); - - set_cursor(fg_console); - - return 0; -} - -/* - * ++Geert: Change # of rows and columns for one specific console. - * Of course it's not messy to have all consoles of potentially different sizes, - * except on PCish hardware :-) - * - * This is called by the low level console driver (arch/m68k/console/fbcon.c or - * arch/m68k/console/txtcon.c) - */ -void vc_resize_con(unsigned long lines, unsigned long columns, - unsigned int currcons) -{ - unsigned long cc, ll, ss, sr; - unsigned long occ, oll, oss, osr; - unsigned short *newscreen; - long ol, nl, rlth, rrem; - struct winsize ws; - - if (!columns || !lines || currcons >= MAX_NR_CONSOLES) - return; - - cc = columns; - ll = lines; - sr = cc << 1; - ss = sr * ll; - - if (!vc_cons_allocated(currcons)) - newscreen = 0; - else if (!(newscreen = (unsigned short *) kmalloc(ss, GFP_USER))) - return; - - if (vc_cons_allocated(currcons)) { - oll = rows; - occ = cols; - osr = size_row; - oss = screenbuf_size; - - rows = ll; - cols = cc; - size_row = sr; - screenbuf_size = ss; - - rlth = MIN(osr, sr); - rrem = sr - rlth; - ol = origin; - nl = (long) newscreen; - if (ll < oll) - ol += (oll - ll) * osr; - - update_attr(currcons); - while (ol < scr_end) { - /* ++Geert: TODO: Because the attributes have different meanings - on monochrome and color, they should really be converted if - can_do_color changes... */ - memcpyw((unsigned short *) nl, (unsigned short *) ol, rlth); - if (rrem) - memsetw((void *)(nl + rlth), video_erase_char, rrem); - ol += osr; - nl += sr; - } - - if (kmalloced) - kfree_s(vc_scrbuf[currcons], oss); - vc_scrbuf[currcons] = newscreen; - kmalloced = 1; - screenbuf_size = ss; - - origin = (long) video_mem_start = vc_scrbuf[currcons]; - scr_end = video_mem_end = ((long)video_mem_start) + ss; - - if (scr_end > nl) - memsetw((void *) nl, video_erase_char, scr_end - nl); - - /* do part of a reset_terminal() */ - top = 0; - bottom = rows; - gotoxy(currcons, x, y); - save_cur(currcons); - - ws.ws_row = rows; - ws.ws_col = cols; - if (memcmp(&ws, &console_table[currcons]->winsize, sizeof (struct winsize)) && - console_table[currcons]->pgrp > 0) - kill_pg(console_table[currcons]->pgrp, SIGWINCH, 1); - console_table[currcons]->winsize = ws; - } - - /* don't update in graphics mode */ - if (currcons == fg_console && vt_cons[fg_console]->vc_mode == KD_TEXT) - update_screen(fg_console); -} - -void vc_disallocate(unsigned int currcons) -{ - if (vc_cons_allocated(currcons)) { - if (kmalloced) - kfree_s(vc_scrbuf[currcons], screenbuf_size); - if (currcons >= MIN_NR_CONSOLES) - kfree_s(vc_cons[currcons].d, structsize); - vc_cons[currcons].d = 0; - } -} - - -#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 decarm VC_REPEAT -#define decckm VC_CKMODE -#define kbdapplic VC_APPLIC -#define lnm VC_CRLF - -/* - * this is what the terminal answers to a ESC-Z or csi0c query. - */ -#define VT100ID "\033[?1;2c" -#define VT102ID "\033[?6c" - -static unsigned char color_table[] = { 0, 4, 2, 6, 1, 5, 3, 7, - 8,12,10,14, 9,13,11,15 }; - -/* the default colour table, for VGA+ colour systems */ -int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa, - 0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff}; -int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa, - 0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff}; -int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa, - 0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff}; - -/* - * gotoxy() must verify all boundaries, because the arguments - * might also be negative. If the given position is out of - * bounds, the cursor is placed at the nearest margin. - */ -static void gotoxy(int currcons, int new_x, int new_y) -{ - int min_y, max_y; - - if (new_x < 0) - x = 0; - else - if (new_x >= cols) - x = cols - 1; - else - x = new_x; - if (decom) { - min_y = top; - max_y = bottom; - } else { - min_y = 0; - max_y = rows; - } - if (new_y < min_y) - y = min_y; - else if (new_y >= max_y) - y = max_y - 1; - else - y = new_y; - pos = video_mem_start + y * cols + x; - need_wrap = 0; -} - -/* for absolute user moves, when decom is set */ -static void gotoxay(int currcons, int new_x, int new_y) -{ - gotoxy(currcons, new_x, decom ? (top+new_y) : new_y); -} - -static void hide_cursor(int currcons) -{ - sw->con_cursor(vc_cons[currcons].d,CM_ERASE); - return; -} - -static void set_cursor(int currcons) -{ - if (currcons != fg_console || console_blanked || vcmode == KD_GRAPHICS) - return; - if (deccm) - sw->con_cursor(vc_cons[currcons].d,CM_DRAW); - else - hide_cursor(currcons); - return; -} - -void no_scroll(char *str, int *ints) -{ - /* - * no_scroll currently does nothing on the m68k. - */ -} - -/* - * Arno: - * Why do we need these? The keyboard code doesn't seem to do anything - * with them either... - */ -void scrollfront(int l) -{ - return; -} - -void scrollback(int l) -{ - return; -} - -static void scrup(int currcons, unsigned int t, unsigned int b, int nr) -{ - unsigned short *p; - int i; - - if (b > rows || t >= b) - return; - - memmove (video_mem_start + t * cols, - video_mem_start + (t + nr) * cols, - (b - t - nr) * cols * 2); - - p = video_mem_start + (b - nr) * cols; - for (i = nr * cols; i > 0; i--) - *p++ = video_erase_char; - - if (currcons != fg_console) - return; -/* - * Arno: - * Scrolling has now been moved to amicon.c where it should have - * been all along. - */ - sw->con_scroll(vc_cons[currcons].d, t, b, SM_UP, nr); - - return; - -} - -static void scrdown(int currcons, unsigned int t, unsigned int b, - int nr) -{ - unsigned short *p; - int i; - - if (b > rows || t >= b) - return; - - memmove (video_mem_start + (t + nr) * cols, - video_mem_start + t * cols, - (b - t - nr) * cols * 2); - - p = video_mem_start + t * cols; - for (i = nr * cols; i > 0; i--) - *p++ = video_erase_char; - - if (currcons != fg_console) - return; -/* - * Arno: - * Scrolling has now been moved to amicon.c where it should have - * been all along. - */ - sw->con_scroll(vc_cons[currcons].d, t, b, SM_DOWN, nr); - - return; -} - -static void lf(int currcons) -{ - /* 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 < rows-1) { - y++; - pos += cols; - } - need_wrap = 0; -} - -static void ri(int currcons) -{ - /* don't scroll if below top of scrolling region, or - * if above scrolling region - */ - if (y == top) - scrdown(currcons,top,bottom, 1); - else if (y > 0) { - y--; - pos -= cols; - } - need_wrap = 0; -} - -static inline void cr(int currcons) -{ - pos -= x; - need_wrap = x = 0; -} - -static inline void bs(int currcons) -{ - if (x) { - pos--; - x--; - need_wrap = 0; - } -} - -static inline void del(int currcons) -{ - /* ignored */ -} - -static void csi_J(int currcons, int vpar) -{ - unsigned long count; - unsigned short *start; - - switch (vpar) { - case 0: /* erase from cursor to end of display */ - count = (video_mem_start - + cols * rows - - pos); - start = pos; - if (currcons != fg_console) - break; - /* 680x0 do in two stages */ - sw->con_clear(vc_cons[currcons].d,y,x,1,cols-x); - sw->con_clear(vc_cons[currcons].d,y+1,0,rows-y-1, cols); - break; - case 1: /* erase from start to cursor */ - count = pos - video_mem_start + 1; - start = video_mem_start; - if (currcons != fg_console) - break; - /* 680x0 do in two stages */ - sw->con_clear(vc_cons[currcons].d,0,0,y, cols); - sw->con_clear(vc_cons[currcons].d,y,0,1,x + 1); - break; - case 2: /* erase whole display */ - count = cols * rows; - start = video_mem_start; - if (currcons != fg_console) - break; - sw->con_clear(vc_cons[currcons].d,0,0,rows, cols); - break; - default: - return; - } - while (count-- > 0) - *start++ = video_erase_char; - need_wrap = 0; -} - -static void csi_K(int currcons, int vpar) -{ - unsigned long count; - unsigned short *start; - - switch (vpar) { - case 0: /* erase from cursor to end of line */ - count = cols - x; - start = pos; - if (currcons != fg_console) - break; - sw->con_clear(vc_cons[currcons].d,y,x,1,cols-x); - break; - case 1: /* erase from start of line to cursor */ - start = pos - x; - count = x + 1; - if (currcons != fg_console) - break; - sw->con_clear(vc_cons[currcons].d,y,0,1,x + 1); - break; - case 2: /* erase whole line */ - start = pos - x; - count = cols; - if (currcons != fg_console) - break; - sw->con_clear(vc_cons[currcons].d,y,0,1,cols); - break; - default: - return; - } - while (count-- > 0) - *start++ = video_erase_char; - need_wrap = 0; -} - -static void csi_X(int currcons, int vpar) /* erase the following vpar positions */ -{ /* not vt100? */ - unsigned long count; - unsigned short * start; - - if (!vpar) - vpar++; - - start = pos; - count = (vpar > cols-x) ? (cols-x) : vpar; - - if (currcons == fg_console) - sw->con_clear(vc_cons[currcons].d,y,x,1,count); - - while (count-- > 0) - *start++ = video_erase_char; - need_wrap = 0; -} - -/* - * Arno: - * On 680x0 attributes are currently not used. This piece of code - * seems hardware independent, but uses the EGA/VGA way of representing - * attributes. - * TODO: modify for 680x0 and add attribute processing to putc code. - * - * ++roman: I completely changed the attribute format for monochrome - * mode (!can_do_color). The formerly used MDA (monochrome display - * adapter) format didn't allow the combination of certain effects. - * Now the attribute is just a bit vector: - * Bit 0..1: intensity (0..2) - * Bit 2 : underline - * Bit 3 : reverse - * Bit 7 : blink - */ -static void update_attr(int currcons) -{ - if (!can_do_color) { - /* Special treatment for monochrome */ - attr = intensity | - (underline ? 4 : 0) | - ((reverse ^ decscnm) ? 8 : 0) | - (blink ? 0x80 : 0); - video_erase_char = ' ' | ((reverse ^ decscnm) ? 0x800 : 0); - return; - } - - attr = color; - if (underline) - attr = (attr & 0xf0) | ulcolor; - else if (intensity == 0) - attr = (attr & 0xf0) | halfcolor; - if (reverse ^ decscnm) - attr = reverse_video_char(attr); - if (blink) - attr ^= 0x80; - if (intensity == 2) - attr ^= 0x08; - if (decscnm) - video_erase_char = (reverse_video_char(color) << 8) | ' '; - else - video_erase_char = (color << 8) | ' '; -} - -static void default_attr(int currcons) -{ - intensity = 1; - underline = 0; - reverse = 0; - blink = 0; - color = def_color; -} - -static void csi_m(int currcons) -{ - int i; - - for (i=0;i<=npar;i++) - switch (par[i]) { - case 0: /* all attributes off */ - default_attr(currcons); - break; - case 1: - intensity = 2; - break; - case 2: - intensity = 0; - break; - case 4: - underline = 1; - break; - case 5: - blink = 1; - break; - case 7: - reverse = 1; - break; - case 10: /* ANSI X3.64-1979 (SCO-ish?) - * Select primary font, don't display - * control chars if defined, don't set - * bit 8 on output. - */ - translate = set_translate(charset == 0 - ? G0_charset - : G1_charset); - disp_ctrl = 0; - toggle_meta = 0; - break; - case 11: /* ANSI X3.64-1979 (SCO-ish?) - * Select first alternate font, let's - * chars < 32 be displayed as ROM chars. - */ - translate = set_translate(IBMPC_MAP); - disp_ctrl = 1; - toggle_meta = 0; - break; - case 12: /* ANSI X3.64-1979 (SCO-ish?) - * Select second alternate font, toggle - * high bit before displaying as ROM char. - */ - translate = set_translate(IBMPC_MAP); - disp_ctrl = 1; - toggle_meta = 1; - break; - case 21: - case 22: - intensity = 1; - break; - case 24: - underline = 0; - break; - case 25: - blink = 0; - break; - case 27: - reverse = 0; - break; - case 38: /* ANSI X3.64-1979 (SCO-ish?) - * Enables underscore, white foreground - * with white underscore (Linux - use - * default foreground). - */ - color = (def_color & 0x0f) | background; - underline = 1; - break; - case 39: /* ANSI X3.64-1979 (SCO-ish?) - * Disable underline option. - * Reset colour to default? It did this - * before... - */ - color = (def_color & 0x0f) | background; - underline = 0; - break; - case 49: - color = (def_color & 0xf0) | foreground; - break; - default: - if (par[i] >= 30 && par[i] <= 37) - color = color_table[par[i]-30] - | background; - else if (par[i] >= 40 && par[i] <= 47) - color = (color_table[par[i]-40]<<4) - | foreground; - break; - } - update_attr(currcons); -} - -static void respond_string(const char * p, struct tty_struct * tty) -{ - while (*p) { - tty_insert_flip_char(tty, *p, 0); - p++; - } - tty_schedule_flip(tty); -} - -static inline void cursor_report(int currcons, struct tty_struct * tty) -{ - char buf[40]; - - sprintf(buf, "\033[%ld;%ldR", y + (decom ? top+1 : 1), x+1); - respond_string(buf, tty); -} - -static inline void status_report(struct tty_struct * tty) -{ - respond_string("\033[0n", tty); /* Terminal ok */ -} - -static inline void respond_ID(struct tty_struct * tty) -{ - respond_string(VT102ID, tty); -} - -void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry) -{ - char buf[8]; - - sprintf(buf, "\033[M%c%c%c", (char)(' ' + butt), (char)('!' + mrx), - (char)('!' + mry)); - respond_string(buf, tty); -} - -/* invoked via ioctl(TIOCLINUX) and through set_selection */ -int mouse_reporting(void) -{ - int currcons = fg_console; - - return report_mouse; -} - -int tioclinux(struct tty_struct *tty, unsigned long arg) -{ - char type, data; - - if (tty->driver.type != TTY_DRIVER_TYPE_CONSOLE) - return -EINVAL; - if (current->tty != tty && !suser()) - return -EPERM; - if (get_user(type, (char *)arg)) - return -EFAULT; - switch (type) - { - case 2: - return set_selection(arg, tty, 1); - case 3: - return paste_selection(tty); - case 4: - do_unblank_screen(); - return 0; - case 5: - return sel_loadlut(arg); - case 6: - - /* - * Make it possible to react to Shift+Mousebutton. - * Note that 'shift_state' is an undocumented - * kernel-internal variable; programs not closely - * related to the kernel should not use this. - */ - data = shift_state; - return put_user(data, (char *) arg); - case 7: - data = mouse_reporting(); - return put_user(data, (char *) arg); - case 10: - set_vesa_blanking(arg); - return 0; - case 11: /* set kmsg redirect */ - if (!suser()) - return -EPERM; - if (get_user(data, (char *)arg+1)) - return -EFAULT; - kmsg_redirect = data; - return 0; - case 12: /* get fg_console */ - return fg_console; - } - return -EINVAL; -} - -static inline unsigned short *screenpos(int currcons, int offset, int viewed) -{ - unsigned short *p = (unsigned short *)(origin + offset); -#if 0 - if (viewed && currcons == fg_console) - p -= (__real_origin - __origin); -#endif - return p; -} - -/* Note: inverting the screen twice should revert to the original state */ -void invert_screen(int currcons, int offset, int count, int viewed) -{ - unsigned short *p; - unsigned short xx, yy, oldattr; - - count /= 2; - p = screenpos(currcons, offset, viewed); - xx = (offset >> 1) % cols; - yy = (offset >> 1) / cols; - oldattr = attr; - if (can_do_color) - while (count--) { - unsigned short old = scr_readw(p); - unsigned short new = reverse_video_short(old); - scr_writew(new, p); - p++; - if (currcons != fg_console) - continue; - attr = new >> 8; - sw->con_putc(vc_cons[currcons].d, new & 0xff, yy, xx); - if (++xx == cols) - xx = 0, ++yy; - } - else - while (count--) { - unsigned short old = scr_readw(p); - unsigned short new = old ^ 0x800; - scr_writew(new, p); - p++; - if (currcons != fg_console) - continue; - attr = new >> 8; - sw->con_putc(vc_cons[currcons].d, new & 0xff, yy, xx); - if (++xx == cols) - xx = 0, ++yy; - } - attr = oldattr; -} - -/* used by selection: complement pointer position */ -void complement_pos(int currcons, int offset) -{ - static unsigned short *p = NULL; - static unsigned short old = 0; - static unsigned short oldx = 0, oldy = 0; - unsigned short new, oldattr; - - oldattr = attr; - if (p) { - scr_writew(old, p); - if (currcons == fg_console) { - attr = old >> 8; - sw->con_putc(vc_cons[currcons].d, old & 0xff, oldy, oldx); - attr = oldattr; - } - } - if (offset == -1) - p = NULL; - else { - p = screenpos(currcons, offset, 1); - old = scr_readw(p); - oldx = (offset >> 1) % cols; - oldy = (offset >> 1) / cols; - if (can_do_color) - new = old ^ 0x7700; - else - new = old ^ 0x800; - scr_writew(new, p); - if (currcons == fg_console) { - attr = new >> 8; - sw->con_putc(vc_cons[currcons].d, new & 0xff, oldy, oldx); - attr = oldattr; - } - } -} - -/* used by selection */ -unsigned short screen_word(int currcons, int offset, int viewed) -{ - return scr_readw(screenpos(currcons, offset, viewed)); -} - -/* used by selection - convert a screen word to a glyph number */ -int scrw2glyph(unsigned short scr_word) -{ - return ( video_mode_512ch ) - ? ((scr_word & 0x0800) >> 3) + (scr_word & 0x00ff) - : scr_word & 0x00ff; -} - -/* used by vcs - note the word offset */ -unsigned short *screen_pos(int currcons, int w_offset, int viewed) -{ - return screenpos(currcons, 2 * w_offset, viewed); -} - -void getconsxy(int currcons, char *p) -{ - p[0] = x; - p[1] = y; -} - -void putconsxy(int currcons, char *p) -{ - gotoxy(currcons, p[0], p[1]); - set_cursor(currcons); -} - -static void set_mode(int currcons, int on_off) -{ - int i; - - for (i=0; i<=npar; i++) - if (ques) switch(par[i]) { /* DEC private modes set/reset */ - case 1: /* Cursor keys send ^[Ox/^[[x */ - if (on_off) - set_kbd(decckm); - else - clr_kbd(decckm); - break; - case 3: /* 80/132 mode switch unimplemented */ - deccolm = on_off; -#if 0 - (void) vc_resize(rows, deccolm ? 132 : 80); - /* this alone does not suffice; some user mode - utility has to change the hardware regs */ -#endif - break; - case 5: /* Inverted screen on/off */ - if (decscnm != on_off) { - decscnm = on_off; - invert_screen(currcons, 0, screenbuf_size, 0); - update_attr(currcons); - } - break; - case 6: /* Origin relative/absolute */ - decom = on_off; - gotoxay(currcons,0,0); - break; - case 7: /* Autowrap on/off */ - decawm = on_off; - break; - case 8: /* Autorepeat on/off */ - if (on_off) - set_kbd(decarm); - else - clr_kbd(decarm); - break; - case 9: - report_mouse = on_off ? 1 : 0; - break; - case 25: /* Cursor on/off */ - deccm = on_off; - set_cursor(currcons); - break; - case 1000: - report_mouse = on_off ? 2 : 0; - break; - } else switch(par[i]) { /* ANSI modes set/reset */ - case 3: /* Monitor (display ctrls) */ - disp_ctrl = on_off; - break; - case 4: /* Insert Mode on/off */ - decim = on_off; - break; - case 20: /* Lf, Enter == CrLf/Lf */ - if (on_off) - set_kbd(lnm); - else - clr_kbd(lnm); - break; - } -} - -static void setterm_command(int currcons) -{ - switch(par[0]) { - case 1: /* set color for underline mode */ - if (can_do_color && par[1] < 16) { - ulcolor = color_table[par[1]]; - if (underline) - update_attr(currcons); - } - break; - case 2: /* set color for half intensity mode */ - if (can_do_color && par[1] < 16) { - halfcolor = color_table[par[1]]; - if (intensity == 0) - update_attr(currcons); - } - break; - case 8: /* store colors as defaults */ - def_color = attr; - default_attr(currcons); - update_attr(currcons); - break; - case 9: /* set blanking interval */ - blankinterval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ; - poke_blanked_console(); - break; - case 10: /* set bell frequency in Hz */ - if (npar >= 1) - bell_pitch = par[1]; - else - bell_pitch = DEFAULT_BELL_PITCH; - break; - case 11: /* set bell duration in msec */ - if (npar >= 1) - bell_duration = (par[1] < 2000) ? - par[1]*HZ/1000 : 0; - else - bell_duration = DEFAULT_BELL_DURATION; - break; - case 12: /* bring specified console to the front */ - if (par[1] >= 1 && vc_cons_allocated(par[1]-1)) - update_screen(par[1]-1); - break; - case 13: /* unblank the screen */ - unblank_screen(); - break; - case 14: /* set vesa powerdown interval */ - vesa_off_interval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ; - break; - } -} - -static inline void insert_char(int currcons) -{ - int i; - unsigned short *p = pos; - - for (i = cols - x - 2; i >= 0; i--) - p[i + 1] = p[i]; - *pos = video_erase_char; - need_wrap = 0; - - if (currcons != fg_console) - return; - - /* Arno: - * Move the remainder of the line (-1 character) one spot to the right - */ - sw->con_bmove(vc_cons[currcons].d,y,x,y,x+1,1,(cols-x-1)); - /* - * Print the erase char on the current position - */ - sw->con_putc(vc_cons[currcons].d,(video_erase_char & 0x00ff),y,x); -} - -static void csi_at(int currcons, unsigned int nr) -{ - int i; - unsigned short *p; - - if (nr > cols - x) - nr = cols - x; - else if (!nr) - nr = 1; - - p = pos + cols - x - nr; - while (--p >= pos) - p[nr] = *p; - for (i = 0; i < nr; i++) - *++p = video_erase_char; - need_wrap = 0; - - if (currcons != fg_console) - return; - - sw->con_bmove (vc_cons[currcons].d, y, x, y, x + nr, - 1, cols - x - nr); - while (nr--) - sw->con_putc (vc_cons[currcons].d, - video_erase_char & 0x00ff, y, x + nr); -} - -static void csi_L(int currcons, unsigned int nr) -{ - if (nr > rows) - nr = rows; - else if (!nr) - nr = 1; - scrdown (currcons, y, bottom, nr); - need_wrap = 0; -} - -static void csi_P(int currcons, unsigned int nr) -{ - int i; - unsigned short *p, *end; - - if (nr > cols - x) - nr = cols - x; - else if (!nr) - nr = 1; - - p = pos; - end = pos + cols - x - nr; - while (p < end) - *p = p[nr], p++; - for (i = 0; i < nr; i++) - *p++ = video_erase_char; - need_wrap = 0; - - if (currcons != fg_console) - return; - - sw->con_bmove (vc_cons[currcons].d, y, x + nr, y, x, - 1, cols - x - nr); - - while (nr--) - sw->con_putc (vc_cons[currcons].d, video_erase_char & 0x00ff, - y, cols - 1 - nr); -} - -static void csi_M(int currcons, unsigned int nr) -{ - if (nr > rows) - nr = rows; - else if (!nr) - nr=1; - scrup (currcons, y, bottom, nr); - need_wrap = 0; -} - -static void save_cur(int currcons) -{ - saved_x = x; - saved_y = y; - s_intensity = intensity; - s_underline = underline; - s_blink = blink; - s_reverse = reverse; - s_charset = charset; - s_color = color; - saved_G0 = G0_charset; - saved_G1 = G1_charset; -} - -static void restore_cur(int currcons) -{ - gotoxy(currcons,saved_x,saved_y); - intensity = s_intensity; - underline = s_underline; - blink = s_blink; - reverse = s_reverse; - charset = s_charset; - color = s_color; - G0_charset = saved_G0; - G1_charset = saved_G1; - translate = set_translate(charset ? G1_charset : G0_charset); - update_attr(currcons); - need_wrap = 0; -} - -enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey, - EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd, - ESpalette }; - -static void reset_terminal(int currcons, int do_clear) -{ - top = 0; - bottom = rows; - vc_state = ESnormal; - ques = 0; - translate = set_translate(LAT1_MAP); - G0_charset = LAT1_MAP; - G1_charset = GRAF_MAP; - charset = 0; - need_wrap = 0; - report_mouse = 0; - utf = 0; - utf_count = 0; - - disp_ctrl = 0; - toggle_meta = 0; - - decscnm = 0; - decom = 0; - decawm = 1; - 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_leds(); - - default_attr(currcons); - update_attr(currcons); - - tab_stop[0] = 0x01010100; - tab_stop[1] = - tab_stop[2] = - tab_stop[3] = - tab_stop[4] = 0x01010101; - - bell_pitch = DEFAULT_BELL_PITCH; - bell_duration = DEFAULT_BELL_DURATION; - - gotoxy(currcons,0,0); - save_cur(currcons); - if (do_clear) - csi_J(currcons,2); -} - -/* - * Turn the Scroll-Lock LED on when the tty is stopped - */ -static void con_stop(struct tty_struct *tty) -{ - int console_num; - if (!tty) - return; - console_num = MINOR(tty->device) - (tty->driver.minor_start); - if (!vc_cons_allocated(console_num)) - return; - set_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK); - set_leds(); -} - -/* - * Turn the Scroll-Lock LED off when the console is started - */ -static void con_start(struct tty_struct *tty) -{ - int console_num; - if (!tty) - return; - console_num = MINOR(tty->device) - (tty->driver.minor_start); - if (!vc_cons_allocated(console_num)) - return; - clr_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK); - set_leds(); -} - -static void con_flush_chars(struct tty_struct *tty) -{ - unsigned int currcons; - struct vt_struct *vt = (struct vt_struct *)tty->driver_data; - - currcons = vt->vc_num; - if (vcmode != KD_GRAPHICS) - set_cursor(currcons); -} - -static int do_con_write(struct tty_struct * tty, int from_user, - const unsigned char *buf, int count) -{ - int c, tc, ok, n = 0; - unsigned int currcons; - struct vt_struct *vt = (struct vt_struct *)tty->driver_data; - - currcons = vt->vc_num; - if (!vc_cons_allocated(currcons)) { - /* could this happen? */ - static int error = 0; - if (!error) { - error = 1; - printk("con_write: tty %d not allocated\n", currcons+1); - } - return 0; - } - - /* undraw cursor first */ - if (currcons == fg_console) - hide_cursor(currcons); - - /* clear the selection */ - if (currcons == sel_cons) - clear_selection(); - - disable_bh(CONSOLE_BH); - while (count) { - enable_bh(CONSOLE_BH); - if (from_user) - get_user(c, buf); - else - c = *buf; - buf++; n++; count--; - disable_bh(CONSOLE_BH); - - if (utf) { - /* Combine UTF-8 into Unicode */ - /* Incomplete characters silently ignored */ - if(c > 0x7f) { - if (utf_count > 0 && (c & 0xc0) == 0x80) { - utf_char = (utf_char << 6) | (c & 0x3f); - utf_count--; - if (utf_count == 0) - tc = c = utf_char; - else continue; - } else { - if ((c & 0xe0) == 0xc0) { - utf_count = 1; - utf_char = (c & 0x1f); - } else if ((c & 0xf0) == 0xe0) { - utf_count = 2; - utf_char = (c & 0x0f); - } else if ((c & 0xf8) == 0xf0) { - utf_count = 3; - utf_char = (c & 0x07); - } else if ((c & 0xfc) == 0xf8) { - utf_count = 4; - utf_char = (c & 0x03); - } else if ((c & 0xfe) == 0xfc) { - utf_count = 5; - utf_char = (c & 0x01); - } else - utf_count = 0; - continue; - } - } else { - tc = c; - utf_count = 0; - } - } else { /* no utf */ - tc = translate[toggle_meta ? (c|0x80) : c]; - } - - /* If the original code was a control character we - * only allow a glyph to be displayed if the code is - * not normally used (such as for cursor movement) or - * if the disp_ctrl mode has been explicitly enabled. - * Certain characters (as given by the CTRL_ALWAYS - * bitmap) are always displayed as control characters, - * as the console would be pretty useless without - * them; to display an arbitrary font position use the - * direct-to-font zone in UTF-8 mode. - */ - ok = tc && (c >= 32 || - (!utf && !(((disp_ctrl ? CTRL_ALWAYS - : CTRL_ACTION) >> c) & 1))) - && (c != 127 || disp_ctrl) - && (c != 128+27); - - if (vc_state == ESnormal && ok) { - /* Now try to find out how to display it */ - tc = conv_uni_to_pc(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(0xfffd); - } else if ( tc == -3 ) { - /* Bad hash table -- hope for the best */ - tc = c; - } - if (tc & ~console_charmask) - continue; /* Conversion failed */ - - if (need_wrap) { - cr(currcons); - lf(currcons); - } - -#if 1 /* XXX */ - /* DPC: 1994-04-12 - * Speed up overstrike mode, using new putcs. - * - * P.S. I hate 8 spaces per tab! Use Emacs! - */ - - /* Only use this for the foreground console, - where we really draw the chars */ - - if (count > 2 && - !decim && !utf && currcons == fg_console) { - static char putcs_buf[256]; - char *p = putcs_buf; - int putcs_count = 1; - ushort nextx = x + 1; - - *p++ = tc; - *pos++ = tc | (attr << 8); - - if (nextx == cols) { - sw->con_putc(vc_cons[currcons].d, - *putcs_buf, y, x); - pos--; - need_wrap = decawm; - continue; - } - - while (count) - { - enable_bh(CONSOLE_BH); - if (from_user) - get_user(c, buf); - else - c = *buf; - disable_bh(CONSOLE_BH); - tc = translate[toggle_meta ? (c|0x80) : c]; - if (!tc || - !(c >= 32 - || !(((disp_ctrl ? CTRL_ALWAYS - : CTRL_ACTION) >> c) & 1))) - break; - tc = conv_uni_to_pc(tc); - if (tc == -4) - tc = conv_uni_to_pc(0xfffd); - else if (tc == -3) - tc = c; - - buf++; n++; count--; - if (tc & ~console_charmask) - continue; /* Conversion failed */ - - *p++ = tc; - *pos++ = tc | (attr << 8); - ++putcs_count; - ++nextx; - if (nextx == cols || - putcs_count == sizeof (putcs_buf)) - break; - } - - sw->con_putcs(vc_cons[currcons].d, - putcs_buf, putcs_count, y, x); - if (nextx == cols) { - pos--; - x = cols-1; - need_wrap = decawm; - } else - x += putcs_count; - continue; - } - - /* DPC: End of putcs support */ -#endif - - if (decim) - insert_char(currcons); - *pos = (attr << 8) + tc; - if (currcons == fg_console) - sw->con_putc(vc_cons[currcons].d,tc,y,x); - if (x == cols - 1) - need_wrap = decawm; - else { - pos++; - x++; - } - continue; - } - - /* - * Control characters can be used in the _middle_ - * of an escape sequence. - */ - switch (c) { - case 0: - continue; - case 7: - if (bell_duration) - kd_mksound(bell_pitch, bell_duration); - continue; - case 8: - bs(currcons); - continue; - case 9: - pos -= x; - while (x < cols - 1) { - x++; - if (tab_stop[x >> 5] & (1 << (x & 31))) - break; - } - pos += x; - continue; - case 10: case 11: case 12: - lf(currcons); - if (!is_kbd(lnm)) - continue; - case 13: - cr(currcons); - continue; - case 14: - charset = 1; - translate = set_translate(G1_charset); - disp_ctrl = 1; - continue; - case 15: - charset = 0; - translate = set_translate(G0_charset); - disp_ctrl = 0; - continue; - case 24: case 26: - vc_state = ESnormal; - continue; - case 27: - vc_state = ESesc; - continue; - case 127: - del(currcons); - continue; - case 128+27: - vc_state = ESsquare; - continue; - } - switch(vc_state) { - case ESesc: - vc_state = ESnormal; - switch (c) { - case '[': - vc_state = ESsquare; - continue; - case ']': - vc_state = ESnonstd; - continue; - case '%': - vc_state = ESpercent; - continue; - case 'E': - cr(currcons); - lf(currcons); - continue; - case 'M': - ri(currcons); - continue; - case 'D': - lf(currcons); - continue; - case 'H': - tab_stop[x >> 5] |= (1 << (x & 31)); - continue; - case 'Z': - respond_ID(tty); - continue; - case '7': - save_cur(currcons); - continue; - case '8': - restore_cur(currcons); - continue; - case '(': - vc_state = ESsetG0; - continue; - case ')': - vc_state = ESsetG1; - continue; - case '#': - vc_state = EShash; - continue; - case 'c': - reset_terminal(currcons,1); - continue; - case '>': /* Numeric keypad */ - clr_kbd(kbdapplic); - continue; - case '=': /* Appl. keypad */ - set_kbd(kbdapplic); - continue; - } - continue; - case ESnonstd: - if (c=='P') { /* palette escape sequence */ - for (npar=0; npar='0'&&c<='9') || (c>='A'&&c<='F') || (c>='a'&&c<='f') ) { - par[npar++] = (c>'9' ? (c&0xDF)-'A'+10 : c-'0') ; - if (npar==7) { - int i = par[0]*3, j = 1; - palette[i] = 16*par[j++]; - palette[i++] += par[j++]; - palette[i] = 16*par[j++]; - palette[i++] += par[j++]; - palette[i] = 16*par[j++]; - palette[i] += par[j]; - set_palette() ; - vc_state = ESnormal; - } - } else - vc_state = ESnormal; - continue; - case ESsquare: - for(npar = 0 ; npar < NPAR ; npar++) - par[npar] = 0; - npar = 0; - vc_state = ESgetpars; - if (c == '[') { /* Function key */ - vc_state=ESfunckey; - continue; - } - ques = (c=='?'); - if (ques) - continue; - case ESgetpars: - if (c==';' && npar='0' && c<='9') { - par[npar] *= 10; - par[npar] += c-'0'; - continue; - } else vc_state=ESgotpars; - case ESgotpars: - vc_state = ESnormal; - switch(c) { - case 'h': - set_mode(currcons,1); - continue; - case 'l': - set_mode(currcons,0); - continue; - case 'n': - if (!ques) - if (par[0] == 5) - status_report(tty); - else if (par[0] == 6) - cursor_report(currcons,tty); - continue; - } - if (ques) { - ques = 0; - continue; - } - switch(c) { - case 'G': case '`': - if (par[0]) par[0]--; - gotoxy(currcons,par[0],y); - continue; - case 'A': - if (!par[0]) par[0]++; - gotoxy(currcons,x,y-par[0]); - continue; - case 'B': case 'e': - if (!par[0]) par[0]++; - gotoxy(currcons,x,y+par[0]); - continue; - case 'C': case 'a': - if (!par[0]) par[0]++; - gotoxy(currcons,x+par[0],y); - continue; - case 'D': - if (!par[0]) par[0]++; - gotoxy(currcons,x-par[0],y); - continue; - case 'E': - if (!par[0]) par[0]++; - gotoxy(currcons,0,y+par[0]); - continue; - case 'F': - if (!par[0]) par[0]++; - gotoxy(currcons,0,y-par[0]); - continue; - case 'd': - if (par[0]) par[0]--; - gotoxay(currcons,x,par[0]); - continue; - case 'H': case 'f': - if (par[0]) par[0]--; - if (par[1]) par[1]--; - gotoxay(currcons,par[1],par[0]); - continue; - case 'J': - csi_J(currcons,par[0]); - continue; - case 'K': - csi_K(currcons,par[0]); - continue; - case 'L': - csi_L(currcons,par[0]); - continue; - case 'M': - csi_M(currcons,par[0]); - continue; - case 'P': - csi_P(currcons,par[0]); - continue; - case 'c': - if (!par[0]) - respond_ID(tty); - continue; - case 'g': - if (!par[0]) - tab_stop[x >> 5] &= ~(1 << (x & 31)); - else if (par[0] == 3) { - tab_stop[0] = - tab_stop[1] = - tab_stop[2] = - tab_stop[3] = - tab_stop[4] = 0; - } - continue; - case 'm': - csi_m(currcons); - continue; - 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, - (par[0] < 3) ? par[0] : 4); - continue; - case 'r': - if (!par[0]) - par[0]++; - if (!par[1]) - par[1] = rows; - /* Minimum allowed region is 2 lines */ - if (par[0] < par[1] && - par[1] <= rows) { - top=par[0]-1; - bottom=par[1]; - gotoxay(currcons,0,0); - } - continue; - case 's': - save_cur(currcons); - continue; - case 'u': - restore_cur(currcons); - continue; - case 'X': - csi_X(currcons, par[0]); - continue; - case '@': - csi_at(currcons,par[0]); - continue; - case ']': /* setterm functions */ - setterm_command(currcons); - continue; - } - continue; - case ESpercent: - vc_state = ESnormal; - switch (c) { - case '@': /* defined in ISO 2022 */ - utf = 0; - continue; - case 'G': /* prelim official escape code */ - case '8': /* retained for compatibility */ - utf = 1; - continue; - } - continue; - case ESfunckey: - vc_state = ESnormal; - continue; - case EShash: - vc_state = ESnormal; - if (c == '8') { - /* DEC screen alignment test. kludge :-) */ - video_erase_char = - (video_erase_char & 0xff00) | 'E'; - /* Arno: - * Doesn't work, because csi_J(c,2) - * calls con_clear and doesn't print - * the erase char.. - */ - csi_J(currcons, 2); - video_erase_char = - (video_erase_char & 0xff00) | ' '; - } - continue; - case ESsetG0: - if (c == '0') - G0_charset = GRAF_MAP; - else if (c == 'B') - G0_charset = LAT1_MAP; - else if (c == 'U') - G0_charset = IBMPC_MAP; - else if (c == 'K') - G0_charset = USER_MAP; - if (charset == 0) - translate = set_translate(G0_charset); - vc_state = ESnormal; - continue; - case ESsetG1: - if (c == '0') - G1_charset = GRAF_MAP; - else if (c == 'B') - G1_charset = LAT1_MAP; - else if (c == 'U') - G1_charset = IBMPC_MAP; - else if (c == 'K') - G1_charset = USER_MAP; - if (charset == 1) - translate = set_translate(G1_charset); - vc_state = ESnormal; - continue; - default: - vc_state = ESnormal; - } - } - enable_bh(CONSOLE_BH); - return n; -} - -static int con_write(struct tty_struct * tty, int from_user, - const unsigned char *buf, int count) -{ - int retval; - - retval = do_con_write(tty, from_user, buf, count); - con_flush_chars(tty); - - return retval; -} - -static void con_put_char(struct tty_struct *tty, unsigned char ch) -{ - do_con_write(tty, 0, &ch, 1); -} - -static int con_write_room(struct tty_struct *tty) -{ - if (tty->stopped) - return 0; - return 4096; /* No limit, really; we're not buffering */ -} - -static int con_chars_in_buffer(struct tty_struct *tty) -{ - return 0; /* we're not buffering */ -} - -void poke_blanked_console(void) -{ - timer_active &= ~(1<vc_mode == KD_GRAPHICS) - return; - if (console_blanked) { - timer_table[BLANK_TIMER].fn = unblank_screen; - timer_table[BLANK_TIMER].expires = 0; - timer_active |= 1< 0) { - c = *(b++); - if (c == 10 || c == 13 || c == 8 || need_wrap) { - if ((cnt = b - start - 1) > 0) { - sw->con_putcs(vc_cons[currcons].d, - start, cnt, y, x); - x += cnt; - if (need_wrap) - x--; - } - - if (c == 8) { /* backspace */ - bs(currcons); - start = b; - myx = x; - continue; - } - if (c != 13) - lf(currcons); - cr(currcons); - - if (c == 10 || c == 13) { - start = b; myx = x; continue; - } - - start = b-1; myx = x; - } - - *pos = c | (attr << 8); - if (myx == cols - 1) { - need_wrap = 1; - continue; - } - pos++; - myx++; - } - - if ((cnt = b - start) > 0) { - sw->con_putcs(vc_cons[currcons].d, start, cnt, y, x); - x += cnt; - if (x == cols){ - x--; - need_wrap = 1; - } - } - - set_cursor(currcons); - poke_blanked_console(); - printing = 0; -} - -static kdev_t vt_console_device(struct console *c) -{ - return MKDEV(TTY_MAJOR, c->index ? c->index : fg_console + 1); -} - -extern int keyboard_wait_for_keypress(void); - -struct console vt_console_driver = { - "tty", - vt_console_print, - NULL, - vt_console_device, - keyboard_wait_for_keypress, - do_unblank_screen, - NULL, - CON_PRINTBUFFER, - 0, - NULL -}; -#endif - -/* - * con_throttle and con_unthrottle are only used for - * paste_selection(), which has to stuff in a large number of - * characters... - */ -static void con_throttle(struct tty_struct *tty) -{ -} - -static void con_unthrottle(struct tty_struct *tty) -{ - struct vt_struct *vt = (struct vt_struct *) tty->driver_data; - - wake_up_interruptible(&vt->paste_wait); -} - -static void vc_init(unsigned int currcons, int do_clear) -{ - long base = (long) vc_scrbuf[currcons]; - - pos = (unsigned short *)(origin = (ulong)video_mem_start = base); - scr_end = base + screenbuf_size; - video_mem_end = base + screenbuf_size; - reset_vc(currcons); - def_color = 0x07; /* white */ - ulcolor = 0x0f; /* bold white */ - halfcolor = 0x08; /* grey */ - vt_cons[currcons]->paste_wait = 0; - reset_terminal(currcons, do_clear); -} - -/* - * This is the console switching bottom half handler. - * - * Doing console switching in a bottom half handler allows - * us to do the switches asynchronously (needed when we want - * to switch due to a keyboard interrupt), while still giving - * us the option to easily disable it to avoid races when we - * need to write to the console. - */ -static void console_bh(void) -{ - if (want_console >= 0) { - if (want_console != fg_console) { - change_console(want_console); - /* we only changed when the console had already - been allocated - a new console is not created - in an interrupt routine */ - } - want_console = -1; - } - if (do_poke_blanked_console) { /* do not unblank for a LED change */ - do_poke_blanked_console = 0; - poke_blanked_console(); - } -} - -int (*console_show_logo)(void) __initdata = NULL; - -__initfunc(void con_init_finish(void)) -{ - char q[2] = { 0, 1 }; - - if (console_show_logo) - q[1] += console_show_logo(); - conswitchp->con_putcs(vc_cons[fg_console].d, linux_logo_banner, - sizeof(linux_logo_banner)-1, q[1]-1, q[0]); - putconsxy(0, q); -} - - -/* - * unsigned long con_init(unsigned long); - * - * This routine initializes console interrupts, and does nothing - * else. If you want the screen to clear, call tty_write with - * the appropriate escape-sequence. - * - * Reads the information preserved by setup.s to determine the current display - * type and sets everything accordingly. - */ -__initfunc(unsigned long con_init(unsigned long kmem_start)) -{ - const char *display_desc = "????"; - unsigned int currcons = 0; - extern int serial_debug; - extern int num_registered_fb; - - memset(&console_driver, 0, sizeof(struct tty_driver)); - console_driver.magic = TTY_DRIVER_MAGIC; - console_driver.name = "tty"; - console_driver.name_base = 1; - console_driver.major = TTY_MAJOR; - console_driver.minor_start = 1; - console_driver.num = MAX_NR_CONSOLES; - console_driver.type = TTY_DRIVER_TYPE_CONSOLE; - console_driver.init_termios = tty_std_termios; - console_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS; - console_driver.refcount = &console_refcount; - console_driver.table = console_table; - console_driver.termios = console_termios; - console_driver.termios_locked = console_termios_locked; - - console_driver.open = con_open; - console_driver.write = con_write; - console_driver.write_room = con_write_room; - console_driver.put_char = con_put_char; - console_driver.flush_chars = con_flush_chars; - console_driver.chars_in_buffer = con_chars_in_buffer; - console_driver.ioctl = vt_ioctl; - console_driver.stop = con_stop; - console_driver.start = con_start; - console_driver.throttle = con_throttle; - console_driver.unthrottle = con_unthrottle; - - if (tty_register_driver(&console_driver)) - panic("Couldn't register console driver\n"); - - kmem_start = conswitchp->con_startup (kmem_start, &display_desc); - - timer_table[BLANK_TIMER].fn = blank_screen; - timer_table[BLANK_TIMER].expires = 0; - if (blankinterval) { - timer_table[BLANK_TIMER].expires = jiffies + blankinterval; - timer_active |= 1<con_init determines console size */ - sw = conswitchp; - cons_num = currcons; - - sw->con_init (vc_cons[currcons].d); - size_row = cols<<1; - screenbuf_size = rows*size_row; - - vc_scrbuf[currcons] = (unsigned short *) kmem_start; - kmem_start += screenbuf_size; - kmalloced = 0; - vc_init(currcons, currcons); - } - - currcons = fg_console = 0; - - gotoxy(currcons,0,0); - csi_J(currcons, 0); - printable = 1; - update_screen(fg_console); - - con_init_finish(); - - sw->con_cursor(vc_cons[currcons].d, CM_DRAW); - printable = 1; - - /* If "serdebug" cmd line option was present, don't register for printk */ -#ifdef CONFIG_VT_CONSOLE - if (!serial_debug && num_registered_fb) - register_console(&vt_console_driver); -#endif - printk("Console: %s %s %ldx%ld, %d virtual console%s (max %d)\n", - can_do_color ? "colour":"mono", - display_desc, - cols,rows, - MIN_NR_CONSOLES, (MIN_NR_CONSOLES == 1) ? "" : "s", MAX_NR_CONSOLES); - - init_bh(CONSOLE_BH, console_bh); - return kmem_start; -} - -void vesa_powerdown_screen(void) -{ - int currcons = fg_console; - - timer_active &= ~(1<con_blank(2); - break; - case 1: - case 2: - sw->con_blank(4); - break; - } -} - -void do_blank_screen(int nopowersave) -{ - int currcons; - - if (console_blanked) - return; - - if (!vc_cons_allocated(fg_console)) { - /* impossible */ - printk("blank_screen: tty %d not allocated ??\n", fg_console+1); - return; - } - - /* don't blank graphics */ - if (vt_cons[fg_console]->vc_mode == KD_TEXT) { - if (vesa_off_interval && !nopowersave) { - timer_table[BLANK_TIMER].fn = vesa_powerdown_screen; - timer_table[BLANK_TIMER].expires = jiffies + vesa_off_interval; - timer_active |= (1<con_blank(1); - if (!nopowersave) - sw->con_blank(vesa_blank_mode + 1); - } - else - hide_cursor(fg_console); - console_blanked = fg_console + 1; -} - -void do_unblank_screen(void) -{ - int currcons; - - if (!console_blanked) - return; - if (!vc_cons_allocated(fg_console)) { - /* impossible */ - printk("unblank_screen: tty %d not allocated ??\n", fg_console+1); - return; - } - timer_table[BLANK_TIMER].fn = blank_screen; - if (blankinterval) { - timer_table[BLANK_TIMER].expires = jiffies + blankinterval; - timer_active |= 1<con_blank (0)) - /* Low-level driver cannot restore -> do it ourselves */ - update_screen( fg_console ); - set_cursor (fg_console); -} - -void update_screen(int new_console) -{ - int currcons = fg_console; - int xx, yy, startx, attr_save; - char buf[256], *bufp; - unsigned short *p; - static int lock = 0; - - if (/* new_console == fg_console || */ lock) - return; - if (!vc_cons_allocated(new_console)) { - /* strange ... */ - printk("update_screen: tty %d not allocated ??\n", new_console+1); - return; - } - lock = 1; - - clear_selection(); - - currcons = fg_console = new_console; - sw->con_cursor (vc_cons[currcons].d, CM_ERASE); - sw->con_switch (vc_cons[new_console].d); - /* Update the screen contents */ - p = video_mem_start; - attr_save = attr; - for (yy = 0; yy < rows; yy++) - { - bufp = buf; - for (startx = xx = 0; xx < cols; xx++) - { - if (attr != ((*p >> 8) & 0xff)) - { - if (bufp > buf) - sw->con_putcs (vc_cons[currcons].d, buf, bufp - buf, - yy, startx); - startx = xx; - bufp = buf; - attr = (*p >> 8) & 0xff; - } - *bufp++ = *p++; - if (bufp == buf + sizeof (buf)) - { - sw->con_putcs (vc_cons[currcons].d, buf, bufp - buf, - yy, startx); - startx = xx + 1; - bufp = buf; - } - } - if (bufp > buf) - sw->con_putcs (vc_cons[currcons].d, buf, bufp - buf, - yy, startx); - } - set_cursor (currcons); - attr = attr_save; - set_leds(); - compute_shiftstate(); - lock = 0; -} - -/* - * If a blank_screen is due to a timer, then a power save is allowed. - * If it is related to console_switching, then avoid vesa_blank(). - */ -static void blank_screen(void) -{ - do_blank_screen(0); -} - -static void unblank_screen(void) -{ - do_unblank_screen(); -} - -/* - * Allocate the console screen memory. - */ -static int con_open(struct tty_struct *tty, struct file * filp) -{ - unsigned int currcons; - int i; - - currcons = MINOR(tty->device) - tty->driver.minor_start; - - i = vc_allocate(currcons); - if (i) - return i; - - vt_cons[currcons]->vc_num = currcons; - tty->driver_data = vt_cons[currcons]; - - if (!tty->winsize.ws_row && !tty->winsize.ws_col) { - tty->winsize.ws_row = rows; - tty->winsize.ws_col = cols; - } - - return 0; -} - -/* - * PIO_FONT support. - * - * Currently we only support 8 pixels wide fonts, at a maximum height - * of 32 pixels. Userspace fontdata is stored with 32 bytes reserved - * for each character which is kinda wasty, but this is done in order - * to maintain compatibility with the EGA/VGA fonts. It is upto the - * actual low-level console-driver convert data into its favorite - * format (maybe we should add a `fontoffset' field to the `display' - * structure so we wont have to convert the fontdata all the time. - * /Jes - */ - -#define cmapsz 8192 - -static int set_get_font(char * arg, int set, int ch512) -{ -#ifdef CAN_LOAD_EGA_FONTS - int i, unit, size; - char *charmap; - - if (!arg) - return -EINVAL; - - - size = ch512 ? 2*cmapsz : cmapsz; - - charmap = (char *)kmalloc(size, GFP_USER); - - if (set){ - if (copy_from_user(charmap, arg, size)) { - kfree(charmap); - return -EFAULT; - } - - for (unit = 32; unit > 0; unit--) - for (i = 0; i < (ch512 ? 512 : 256); i++) - if (charmap[32*i+unit-1]) - goto nonzero; - nonzero: - i = conswitchp->con_set_font(vc_cons[fg_console].d, 8, - unit, charmap); - }else{ - memset(charmap, 0, size); - i = conswitchp->con_get_font(vc_cons[fg_console].d, - &unit, &unit, charmap); - if (i == 0 && copy_to_user(arg, charmap, size)) - i = -EFAULT; - } - kfree(charmap); - - return i; -#else - return -EINVAL; -#endif -} - -/* - * Load palette into the EGA/VGA DAC registers. arg points to a colour - * map, 3 bytes per colour, 16 colours, range from 0 to 255. - */ - -static int set_get_cmap(unsigned char *arg, int set) -{ - int i, j, k; - - for (i = 0; i < 16; i++) - if (set) { - get_user(default_red[i], arg++); - get_user(default_grn[i], arg++); - get_user(default_blu[i], arg++); - } else { - put_user(default_red[i], arg++); - put_user(default_grn[i], arg++); - put_user(default_blu[i], arg++); - } - if (set) { - for (i = 0; i < MAX_NR_CONSOLES; i++) - if (vc_cons_allocated(i)) - for (j = k = 0; j < 16; j++) { - vc_cons[i].d->vc_palette[k++] = - default_red[j]; - vc_cons[i].d->vc_palette[k++] = - default_grn[j]; - vc_cons[i].d->vc_palette[k++] = - default_blu[j]; - } - set_palette(); - } - return 0; -} - -int con_set_cmap (unsigned char *arg) -{ - return set_get_cmap (arg, 1); -} - -int con_get_cmap (unsigned char *arg) -{ - return set_get_cmap (arg, 0); -} - -void reset_palette(int currcons) -{ - int j, k; - for (j = k = 0; j < 16; j++) { - palette[k++] = default_red[j]; - palette[k++] = default_grn[j]; - palette[k++] = default_blu[j]; - } - set_palette() ; -} - -void set_palette(void) -{ - if (vt_cons[fg_console]->vc_mode != KD_GRAPHICS) - conswitchp->con_set_palette(vc_cons[fg_console].d, color_table); -} - -/* - * Load font into the EGA/VGA character generator. arg points to a 8192 - * byte map, 32 bytes per character. Only first H of them are used for - * 8xH fonts (0 < H <= 32). - */ - -int con_set_font (char *arg, int ch512) -{ - int i; - - i = set_get_font (arg,1,ch512); - if ( !i ) { - hashtable_contents_valid = 0; - video_mode_512ch = ch512; - console_charmask = ch512 ? 0x1ff : 0x0ff; - } - return i; -} - -int con_get_font (char *arg) -{ - return set_get_font (arg,0,video_mode_512ch); -} - -/* - * Adjust the screen to fit a font of a certain height - * - * Returns < 0 for error, 0 if nothing changed, and the number - * of lines on the adjusted console if changed. - */ -int con_adjust_height(unsigned long fontheight) -{ - return -EINVAL; -} - -static void set_vesa_blanking(unsigned long arg) -{ - char *argp = (char *)arg + 1; - unsigned int mode; - get_user(mode, argp); - vesa_blank_mode = (mode < 4) ? mode : 0; -} - -unsigned long get_video_num_lines(unsigned int currcons) -{ - return(rows); -} - -unsigned long get_video_num_columns(unsigned int currcons) -{ - return(cols); -} - -unsigned long get_video_size_row(unsigned int currcons) -{ - return(size_row); -} Greetings, Geert -- Geert Uytterhoeven Geert.Uytterhoeven@cs.kuleuven.ac.be Wavelets, Linux/{m68k~Amiga,PPC~CHRP} http://www.cs.kuleuven.ac.be/~geert/ Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium