| 1 | /* | 
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| 2 | * Copyright (c) 2006 Josef Cejka | 
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| 3 | * All rights reserved. | 
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| 4 | * | 
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| 5 | * Redistribution and use in source and binary forms, with or without | 
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| 6 | * modification, are permitted provided that the following conditions | 
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| 7 | * are met: | 
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| 8 | * | 
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| 9 | * - Redistributions of source code must retain the above copyright | 
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| 10 | *   notice, this list of conditions and the following disclaimer. | 
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| 11 | * - Redistributions in binary form must reproduce the above copyright | 
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| 12 | *   notice, this list of conditions and the following disclaimer in the | 
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| 13 | *   documentation and/or other materials provided with the distribution. | 
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| 14 | * - The name of the author may not be used to endorse or promote products | 
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| 15 | *   derived from this software without specific prior written permission. | 
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| 16 | * | 
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | 
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | 
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | 
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | 
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
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| 27 | */ | 
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| 28 |  | 
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| 29 | /** @addtogroup console | 
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| 30 | * @{ | 
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| 31 | */ | 
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| 32 | /** @file | 
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| 33 | */ | 
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| 34 |  | 
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| 35 | #include <libc.h> | 
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| 36 | #include <ipc/ipc.h> | 
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| 37 | #include <ipc/kbd.h> | 
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| 38 | #include <io/keycode.h> | 
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| 39 | #include <ipc/mouse.h> | 
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| 40 | #include <ipc/fb.h> | 
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| 41 | #include <ipc/services.h> | 
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| 42 | #include <errno.h> | 
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| 43 | #include <ipc/console.h> | 
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| 44 | #include <unistd.h> | 
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| 45 | #include <async.h> | 
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| 46 | #include <adt/fifo.h> | 
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| 47 | #include <sys/mman.h> | 
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| 48 | #include <stdio.h> | 
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| 49 | #include <str.h> | 
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| 50 | #include <sysinfo.h> | 
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| 51 | #include <event.h> | 
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| 52 | #include <devmap.h> | 
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| 53 | #include <fcntl.h> | 
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| 54 | #include <vfs/vfs.h> | 
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| 55 | #include <fibril_synch.h> | 
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| 56 | #include <io/style.h> | 
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| 57 | #include <io/screenbuffer.h> | 
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| 58 |  | 
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| 59 | #include "console.h" | 
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| 60 | #include "gcons.h" | 
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| 61 | #include "keybuffer.h" | 
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| 62 |  | 
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| 63 |  | 
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| 64 | #define NAME       "console" | 
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| 65 | #define NAMESPACE  "term" | 
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| 66 |  | 
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| 67 | /** Phone to the keyboard driver. */ | 
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| 68 | static int kbd_phone; | 
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| 69 |  | 
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| 70 | /** Phone to the mouse driver. */ | 
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| 71 | static int mouse_phone; | 
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| 72 |  | 
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| 73 | /** Information about framebuffer */ | 
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| 74 | struct { | 
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| 75 | int phone;           /**< Framebuffer phone */ | 
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| 76 | sysarg_t cols;       /**< Framebuffer columns */ | 
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| 77 | sysarg_t rows;       /**< Framebuffer rows */ | 
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| 78 | sysarg_t color_cap;  /**< Color capabilities (FB_CCAP_xxx) */ | 
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| 79 | } fb_info; | 
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| 80 |  | 
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| 81 | typedef struct { | 
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| 82 | size_t index;             /**< Console index */ | 
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| 83 | size_t refcount;          /**< Connection reference count */ | 
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| 84 | devmap_handle_t devmap_handle;  /**< Device handle */ | 
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| 85 | keybuffer_t keybuffer;    /**< Buffer for incoming keys. */ | 
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| 86 | screenbuffer_t scr;       /**< Screenbuffer for saving screen | 
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| 87 | contents and related settings. */ | 
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| 88 | } console_t; | 
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| 89 |  | 
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| 90 | /** Array of data for virtual consoles */ | 
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| 91 | static console_t consoles[CONSOLE_COUNT]; | 
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| 92 |  | 
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| 93 | static console_t *active_console = &consoles[0]; | 
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| 94 | static console_t *prev_console = &consoles[0]; | 
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| 95 | static console_t *kernel_console = &consoles[KERNEL_CONSOLE]; | 
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| 96 |  | 
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| 97 | /** Pointer to memory shared with framebufer used for | 
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| 98 | faster virtual console switching */ | 
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| 99 | static keyfield_t *interbuffer = NULL; | 
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| 100 |  | 
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| 101 | /** Information on row-span yet unsent to FB driver. */ | 
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| 102 | struct { | 
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| 103 | sysarg_t col;  /**< Leftmost column of the span. */ | 
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| 104 | sysarg_t row;  /**< Row where the span lies. */ | 
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| 105 | sysarg_t cnt;  /**< Width of the span. */ | 
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| 106 | } fb_pending; | 
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| 107 |  | 
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| 108 | static FIBRIL_MUTEX_INITIALIZE(input_mutex); | 
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| 109 | static FIBRIL_CONDVAR_INITIALIZE(input_cv); | 
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| 110 |  | 
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| 111 | static void curs_visibility(bool visible) | 
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| 112 | { | 
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| 113 | async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible); | 
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| 114 | } | 
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| 115 |  | 
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| 116 | static void curs_hide_sync(void) | 
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| 117 | { | 
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| 118 | ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false); | 
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| 119 | } | 
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| 120 |  | 
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| 121 | static void curs_goto(sysarg_t x, sysarg_t y) | 
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| 122 | { | 
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| 123 | async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y); | 
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| 124 | } | 
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| 125 |  | 
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| 126 | static void screen_clear(void) | 
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| 127 | { | 
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| 128 | async_msg_0(fb_info.phone, FB_CLEAR); | 
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| 129 | } | 
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| 130 |  | 
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| 131 | static void screen_yield(void) | 
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| 132 | { | 
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| 133 | ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD); | 
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| 134 | } | 
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| 135 |  | 
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| 136 | static void screen_reclaim(void) | 
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| 137 | { | 
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| 138 | ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM); | 
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| 139 | } | 
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| 140 |  | 
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| 141 | static void kbd_yield(void) | 
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| 142 | { | 
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| 143 | ipc_call_sync_0_0(kbd_phone, KBD_YIELD); | 
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| 144 | } | 
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| 145 |  | 
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| 146 | static void kbd_reclaim(void) | 
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| 147 | { | 
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| 148 | ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM); | 
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| 149 | } | 
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| 150 |  | 
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| 151 | static void set_style(uint8_t style) | 
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| 152 | { | 
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| 153 | async_msg_1(fb_info.phone, FB_SET_STYLE, style); | 
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| 154 | } | 
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| 155 |  | 
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| 156 | static void set_color(uint8_t fgcolor, uint8_t bgcolor, uint8_t flags) | 
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| 157 | { | 
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| 158 | async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags); | 
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| 159 | } | 
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| 160 |  | 
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| 161 | static void set_rgb_color(uint32_t fgcolor, uint32_t bgcolor) | 
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| 162 | { | 
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| 163 | async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor); | 
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| 164 | } | 
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| 165 |  | 
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| 166 | static void set_attrs(attrs_t *attrs) | 
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| 167 | { | 
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| 168 | switch (attrs->t) { | 
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| 169 | case at_style: | 
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| 170 | set_style(attrs->a.s.style); | 
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| 171 | break; | 
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| 172 | case at_idx: | 
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| 173 | set_color(attrs->a.i.fg_color, attrs->a.i.bg_color, | 
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| 174 | attrs->a.i.flags); | 
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| 175 | break; | 
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| 176 | case at_rgb: | 
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| 177 | set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color); | 
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| 178 | break; | 
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| 179 | } | 
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| 180 | } | 
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| 181 |  | 
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| 182 | static int ccap_fb_to_con(sysarg_t ccap_fb, sysarg_t *ccap_con) | 
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| 183 | { | 
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| 184 | switch (ccap_fb) { | 
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| 185 | case FB_CCAP_NONE: | 
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| 186 | *ccap_con = CONSOLE_CCAP_NONE; | 
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| 187 | break; | 
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| 188 | case FB_CCAP_STYLE: | 
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| 189 | *ccap_con = CONSOLE_CCAP_STYLE; | 
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| 190 | break; | 
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| 191 | case FB_CCAP_INDEXED: | 
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| 192 | *ccap_con = CONSOLE_CCAP_INDEXED; | 
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| 193 | break; | 
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| 194 | case FB_CCAP_RGB: | 
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| 195 | *ccap_con = CONSOLE_CCAP_RGB; | 
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| 196 | break; | 
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| 197 | default: | 
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| 198 | return EINVAL; | 
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| 199 | } | 
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| 200 |  | 
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| 201 | return EOK; | 
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| 202 | } | 
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| 203 |  | 
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| 204 | /** Send an area of screenbuffer to the FB driver. */ | 
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| 205 | static void fb_update_area(console_t *cons, sysarg_t x0, sysarg_t y0, sysarg_t width, sysarg_t height) | 
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| 206 | { | 
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| 207 | if (interbuffer) { | 
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| 208 | sysarg_t x; | 
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| 209 | sysarg_t y; | 
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| 210 |  | 
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| 211 | for (y = 0; y < height; y++) { | 
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| 212 | for (x = 0; x < width; x++) { | 
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| 213 | interbuffer[y * width + x] = | 
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| 214 | *get_field_at(&cons->scr, x0 + x, y0 + y); | 
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| 215 | } | 
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| 216 | } | 
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| 217 |  | 
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| 218 | async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA, | 
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| 219 | x0, y0, width, height); | 
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| 220 | } | 
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| 221 | } | 
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| 222 |  | 
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| 223 | /** Flush pending cells to FB. */ | 
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| 224 | static void fb_pending_flush(void) | 
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| 225 | { | 
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| 226 | if (fb_pending.cnt > 0) { | 
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| 227 | fb_update_area(active_console, fb_pending.col, | 
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| 228 | fb_pending.row, fb_pending.cnt, 1); | 
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| 229 | fb_pending.cnt = 0; | 
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| 230 | } | 
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| 231 | } | 
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| 232 |  | 
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| 233 | /** Mark a character cell as changed. | 
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| 234 | * | 
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| 235 | * This adds the cell to the pending rowspan if possible. Otherwise | 
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| 236 | * the old span is flushed first. | 
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| 237 | * | 
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| 238 | */ | 
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| 239 | static void cell_mark_changed(sysarg_t col, sysarg_t row) | 
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| 240 | { | 
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| 241 | if (fb_pending.cnt != 0) { | 
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| 242 | if ((col != fb_pending.col + fb_pending.cnt) | 
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| 243 | || (row != fb_pending.row)) { | 
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| 244 | fb_pending_flush(); | 
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| 245 | } | 
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| 246 | } | 
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| 247 |  | 
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| 248 | if (fb_pending.cnt == 0) { | 
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| 249 | fb_pending.col = col; | 
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| 250 | fb_pending.row = row; | 
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| 251 | } | 
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| 252 |  | 
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| 253 | fb_pending.cnt++; | 
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| 254 | } | 
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| 255 |  | 
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| 256 | /** Print a character to the active VC with buffering. */ | 
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| 257 | static void fb_putchar(wchar_t c, sysarg_t col, sysarg_t row) | 
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| 258 | { | 
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| 259 | async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row); | 
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| 260 | } | 
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| 261 |  | 
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| 262 | /** Process a character from the client (TTY emulation). */ | 
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| 263 | static void write_char(console_t *cons, wchar_t ch) | 
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| 264 | { | 
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| 265 | bool flush_cursor = false; | 
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| 266 |  | 
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| 267 | switch (ch) { | 
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| 268 | case '\n': | 
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| 269 | fb_pending_flush(); | 
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| 270 | flush_cursor = true; | 
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| 271 | cons->scr.position_y++; | 
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| 272 | cons->scr.position_x = 0; | 
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| 273 | break; | 
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| 274 | case '\r': | 
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| 275 | break; | 
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| 276 | case '\t': | 
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| 277 | cons->scr.position_x += 8; | 
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| 278 | cons->scr.position_x -= cons->scr.position_x % 8; | 
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| 279 | break; | 
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| 280 | case '\b': | 
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| 281 | if (cons->scr.position_x == 0) | 
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| 282 | break; | 
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| 283 | cons->scr.position_x--; | 
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| 284 | if (cons == active_console) | 
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| 285 | cell_mark_changed(cons->scr.position_x, cons->scr.position_y); | 
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| 286 | screenbuffer_putchar(&cons->scr, ' '); | 
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| 287 | break; | 
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| 288 | default: | 
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| 289 | if (cons == active_console) | 
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| 290 | cell_mark_changed(cons->scr.position_x, cons->scr.position_y); | 
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| 291 |  | 
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| 292 | screenbuffer_putchar(&cons->scr, ch); | 
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| 293 | cons->scr.position_x++; | 
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| 294 | } | 
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| 295 |  | 
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| 296 | if (cons->scr.position_x >= cons->scr.size_x) { | 
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| 297 | flush_cursor = true; | 
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| 298 | cons->scr.position_y++; | 
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| 299 | } | 
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| 300 |  | 
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| 301 | if (cons->scr.position_y >= cons->scr.size_y) { | 
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| 302 | fb_pending_flush(); | 
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| 303 | cons->scr.position_y = cons->scr.size_y - 1; | 
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| 304 | screenbuffer_clear_line(&cons->scr, cons->scr.top_line); | 
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| 305 | cons->scr.top_line = (cons->scr.top_line + 1) % cons->scr.size_y; | 
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| 306 |  | 
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| 307 | if (cons == active_console) | 
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| 308 | async_msg_1(fb_info.phone, FB_SCROLL, 1); | 
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| 309 | } | 
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| 310 |  | 
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| 311 | if (cons == active_console && flush_cursor) | 
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| 312 | curs_goto(cons->scr.position_x, cons->scr.position_y); | 
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| 313 | cons->scr.position_x = cons->scr.position_x % cons->scr.size_x; | 
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| 314 | } | 
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| 315 |  | 
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| 316 | /** Switch to new console */ | 
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| 317 | static void change_console(console_t *cons) | 
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| 318 | { | 
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| 319 | if (cons == active_console) | 
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| 320 | return; | 
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| 321 |  | 
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| 322 | fb_pending_flush(); | 
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| 323 |  | 
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| 324 | if (cons == kernel_console) { | 
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| 325 | async_serialize_start(); | 
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| 326 | curs_hide_sync(); | 
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| 327 | gcons_in_kernel(); | 
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| 328 | screen_yield(); | 
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| 329 | kbd_yield(); | 
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| 330 | async_serialize_end(); | 
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| 331 |  | 
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| 332 | if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) { | 
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| 333 | prev_console = active_console; | 
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| 334 | active_console = kernel_console; | 
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| 335 | } else | 
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| 336 | cons = active_console; | 
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| 337 | } | 
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| 338 |  | 
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| 339 | if (cons != kernel_console) { | 
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| 340 | async_serialize_start(); | 
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| 341 |  | 
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| 342 | if (active_console == kernel_console) { | 
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| 343 | screen_reclaim(); | 
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| 344 | kbd_reclaim(); | 
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| 345 | gcons_redraw_console(); | 
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| 346 | } | 
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| 347 |  | 
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| 348 | active_console = cons; | 
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| 349 | gcons_change_console(cons->index); | 
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| 350 |  | 
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| 351 | set_attrs(&cons->scr.attrs); | 
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| 352 | curs_visibility(false); | 
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| 353 |  | 
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| 354 | sysarg_t x; | 
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| 355 | sysarg_t y; | 
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| 356 | int rc = 0; | 
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| 357 |  | 
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| 358 | if (interbuffer) { | 
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| 359 | for (y = 0; y < cons->scr.size_y; y++) { | 
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| 360 | for (x = 0; x < cons->scr.size_x; x++) { | 
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| 361 | interbuffer[y * cons->scr.size_x + x] = | 
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| 362 | *get_field_at(&cons->scr, x, y); | 
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| 363 | } | 
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| 364 | } | 
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| 365 |  | 
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| 366 | /* This call can preempt, but we are already at the end */ | 
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| 367 | rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA, | 
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| 368 | 0, 0, cons->scr.size_x, | 
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| 369 | cons->scr.size_y); | 
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| 370 | } | 
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| 371 |  | 
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| 372 | if ((!interbuffer) || (rc != 0)) { | 
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| 373 | set_attrs(&cons->scr.attrs); | 
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| 374 | screen_clear(); | 
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| 375 |  | 
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| 376 | for (y = 0; y < cons->scr.size_y; y++) | 
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| 377 | for (x = 0; x < cons->scr.size_x; x++) { | 
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| 378 | keyfield_t *field = get_field_at(&cons->scr, x, y); | 
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| 379 |  | 
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| 380 | if (!attrs_same(cons->scr.attrs, field->attrs)) | 
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| 381 | set_attrs(&field->attrs); | 
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| 382 |  | 
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| 383 | cons->scr.attrs = field->attrs; | 
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| 384 | if ((field->character == ' ') && | 
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| 385 | (attrs_same(field->attrs, cons->scr.attrs))) | 
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| 386 | continue; | 
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| 387 |  | 
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| 388 | fb_putchar(field->character, x, y); | 
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| 389 | } | 
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| 390 | } | 
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| 391 |  | 
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| 392 | curs_goto(cons->scr.position_x, cons->scr.position_y); | 
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| 393 | curs_visibility(cons->scr.is_cursor_visible); | 
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| 394 |  | 
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| 395 | async_serialize_end(); | 
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| 396 | } | 
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| 397 | } | 
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| 398 |  | 
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| 399 | /** Handler for keyboard */ | 
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| 400 | static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall) | 
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| 401 | { | 
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| 402 | /* Ignore parameters, the connection is already opened */ | 
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| 403 | while (true) { | 
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| 404 | ipc_call_t call; | 
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| 405 | ipc_callid_t callid = async_get_call(&call); | 
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| 406 |  | 
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| 407 | int retval; | 
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| 408 | console_event_t ev; | 
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| 409 |  | 
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| 410 | switch (IPC_GET_IMETHOD(call)) { | 
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| 411 | case IPC_M_PHONE_HUNGUP: | 
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| 412 | /* TODO: Handle hangup */ | 
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| 413 | return; | 
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| 414 | case KBD_EVENT: | 
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| 415 | /* Got event from keyboard driver. */ | 
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| 416 | retval = 0; | 
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| 417 | ev.type = IPC_GET_ARG1(call); | 
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| 418 | ev.key = IPC_GET_ARG2(call); | 
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| 419 | ev.mods = IPC_GET_ARG3(call); | 
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| 420 | ev.c = IPC_GET_ARG4(call); | 
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| 421 |  | 
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| 422 | if ((ev.key >= KC_F1) && (ev.key < KC_F1 + | 
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| 423 | CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) { | 
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| 424 | if (ev.key == KC_F1 + KERNEL_CONSOLE) | 
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| 425 | change_console(kernel_console); | 
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| 426 | else | 
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| 427 | change_console(&consoles[ev.key - KC_F1]); | 
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| 428 | break; | 
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| 429 | } | 
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| 430 |  | 
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| 431 | fibril_mutex_lock(&input_mutex); | 
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| 432 | keybuffer_push(&active_console->keybuffer, &ev); | 
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| 433 | fibril_condvar_broadcast(&input_cv); | 
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| 434 | fibril_mutex_unlock(&input_mutex); | 
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| 435 | break; | 
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| 436 | default: | 
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| 437 | retval = ENOENT; | 
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| 438 | } | 
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| 439 | ipc_answer_0(callid, retval); | 
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| 440 | } | 
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| 441 | } | 
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| 442 |  | 
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| 443 | /** Handler for mouse events */ | 
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| 444 | static void mouse_events(ipc_callid_t iid, ipc_call_t *icall) | 
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| 445 | { | 
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| 446 | /* Ignore parameters, the connection is already opened */ | 
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| 447 | while (true) { | 
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| 448 | ipc_call_t call; | 
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| 449 | ipc_callid_t callid = async_get_call(&call); | 
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| 450 |  | 
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| 451 | int retval; | 
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| 452 |  | 
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| 453 | switch (IPC_GET_IMETHOD(call)) { | 
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| 454 | case IPC_M_PHONE_HUNGUP: | 
|---|
| 455 | /* TODO: Handle hangup */ | 
|---|
| 456 | return; | 
|---|
| 457 | case MEVENT_BUTTON: | 
|---|
| 458 | if (IPC_GET_ARG1(call) == 1) { | 
|---|
| 459 | int newcon = gcons_mouse_btn((bool) IPC_GET_ARG2(call)); | 
|---|
| 460 | if (newcon != -1) | 
|---|
| 461 | change_console(&consoles[newcon]); | 
|---|
| 462 | } | 
|---|
| 463 | retval = 0; | 
|---|
| 464 | break; | 
|---|
| 465 | case MEVENT_MOVE: | 
|---|
| 466 | gcons_mouse_move((int) IPC_GET_ARG1(call), | 
|---|
| 467 | (int) IPC_GET_ARG2(call)); | 
|---|
| 468 | retval = 0; | 
|---|
| 469 | break; | 
|---|
| 470 | default: | 
|---|
| 471 | retval = ENOENT; | 
|---|
| 472 | } | 
|---|
| 473 |  | 
|---|
| 474 | ipc_answer_0(callid, retval); | 
|---|
| 475 | } | 
|---|
| 476 | } | 
|---|
| 477 |  | 
|---|
| 478 | static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request) | 
|---|
| 479 | { | 
|---|
| 480 | void *buf; | 
|---|
| 481 | size_t size; | 
|---|
| 482 | int rc = async_data_write_accept(&buf, false, 0, 0, 0, &size); | 
|---|
| 483 |  | 
|---|
| 484 | if (rc != EOK) { | 
|---|
| 485 | ipc_answer_0(rid, rc); | 
|---|
| 486 | return; | 
|---|
| 487 | } | 
|---|
| 488 |  | 
|---|
| 489 | async_serialize_start(); | 
|---|
| 490 |  | 
|---|
| 491 | size_t off = 0; | 
|---|
| 492 | while (off < size) { | 
|---|
| 493 | wchar_t ch = str_decode(buf, &off, size); | 
|---|
| 494 | write_char(cons, ch); | 
|---|
| 495 | } | 
|---|
| 496 |  | 
|---|
| 497 | async_serialize_end(); | 
|---|
| 498 |  | 
|---|
| 499 | gcons_notify_char(cons->index); | 
|---|
| 500 | ipc_answer_1(rid, EOK, size); | 
|---|
| 501 |  | 
|---|
| 502 | free(buf); | 
|---|
| 503 | } | 
|---|
| 504 |  | 
|---|
| 505 | static void cons_read(console_t *cons, ipc_callid_t rid, ipc_call_t *request) | 
|---|
| 506 | { | 
|---|
| 507 | ipc_callid_t callid; | 
|---|
| 508 | size_t size; | 
|---|
| 509 | if (!async_data_read_receive(&callid, &size)) { | 
|---|
| 510 | ipc_answer_0(callid, EINVAL); | 
|---|
| 511 | ipc_answer_0(rid, EINVAL); | 
|---|
| 512 | return; | 
|---|
| 513 | } | 
|---|
| 514 |  | 
|---|
| 515 | char *buf = (char *) malloc(size); | 
|---|
| 516 | if (buf == NULL) { | 
|---|
| 517 | ipc_answer_0(callid, ENOMEM); | 
|---|
| 518 | ipc_answer_0(rid, ENOMEM); | 
|---|
| 519 | return; | 
|---|
| 520 | } | 
|---|
| 521 |  | 
|---|
| 522 | size_t pos = 0; | 
|---|
| 523 | console_event_t ev; | 
|---|
| 524 | fibril_mutex_lock(&input_mutex); | 
|---|
| 525 |  | 
|---|
| 526 | recheck: | 
|---|
| 527 | while ((keybuffer_pop(&cons->keybuffer, &ev)) && (pos < size)) { | 
|---|
| 528 | if (ev.type == KEY_PRESS) { | 
|---|
| 529 | buf[pos] = ev.c; | 
|---|
| 530 | pos++; | 
|---|
| 531 | } | 
|---|
| 532 | } | 
|---|
| 533 |  | 
|---|
| 534 | if (pos == size) { | 
|---|
| 535 | (void) async_data_read_finalize(callid, buf, size); | 
|---|
| 536 | ipc_answer_1(rid, EOK, size); | 
|---|
| 537 | free(buf); | 
|---|
| 538 | } else { | 
|---|
| 539 | fibril_condvar_wait(&input_cv, &input_mutex); | 
|---|
| 540 | goto recheck; | 
|---|
| 541 | } | 
|---|
| 542 |  | 
|---|
| 543 | fibril_mutex_unlock(&input_mutex); | 
|---|
| 544 | } | 
|---|
| 545 |  | 
|---|
| 546 | static void cons_get_event(console_t *cons, ipc_callid_t rid, ipc_call_t *request) | 
|---|
| 547 | { | 
|---|
| 548 | console_event_t ev; | 
|---|
| 549 |  | 
|---|
| 550 | fibril_mutex_lock(&input_mutex); | 
|---|
| 551 |  | 
|---|
| 552 | recheck: | 
|---|
| 553 | if (keybuffer_pop(&cons->keybuffer, &ev)) { | 
|---|
| 554 | ipc_answer_4(rid, EOK, ev.type, ev.key, ev.mods, ev.c); | 
|---|
| 555 | } else { | 
|---|
| 556 | fibril_condvar_wait(&input_cv, &input_mutex); | 
|---|
| 557 | goto recheck; | 
|---|
| 558 | } | 
|---|
| 559 |  | 
|---|
| 560 | fibril_mutex_unlock(&input_mutex); | 
|---|
| 561 | } | 
|---|
| 562 |  | 
|---|
| 563 | /** Default thread for new connections */ | 
|---|
| 564 | static void client_connection(ipc_callid_t iid, ipc_call_t *icall) | 
|---|
| 565 | { | 
|---|
| 566 | console_t *cons = NULL; | 
|---|
| 567 |  | 
|---|
| 568 | size_t i; | 
|---|
| 569 | for (i = 0; i < CONSOLE_COUNT; i++) { | 
|---|
| 570 | if (i == KERNEL_CONSOLE) | 
|---|
| 571 | continue; | 
|---|
| 572 |  | 
|---|
| 573 | if (consoles[i].devmap_handle == (devmap_handle_t) IPC_GET_ARG1(*icall)) { | 
|---|
| 574 | cons = &consoles[i]; | 
|---|
| 575 | break; | 
|---|
| 576 | } | 
|---|
| 577 | } | 
|---|
| 578 |  | 
|---|
| 579 | if (cons == NULL) { | 
|---|
| 580 | ipc_answer_0(iid, ENOENT); | 
|---|
| 581 | return; | 
|---|
| 582 | } | 
|---|
| 583 |  | 
|---|
| 584 | ipc_callid_t callid; | 
|---|
| 585 | ipc_call_t call; | 
|---|
| 586 | sysarg_t arg1; | 
|---|
| 587 | sysarg_t arg2; | 
|---|
| 588 | sysarg_t arg3; | 
|---|
| 589 |  | 
|---|
| 590 | int rc; | 
|---|
| 591 |  | 
|---|
| 592 | async_serialize_start(); | 
|---|
| 593 | if (cons->refcount == 0) | 
|---|
| 594 | gcons_notify_connect(cons->index); | 
|---|
| 595 |  | 
|---|
| 596 | cons->refcount++; | 
|---|
| 597 |  | 
|---|
| 598 | /* Accept the connection */ | 
|---|
| 599 | ipc_answer_0(iid, EOK); | 
|---|
| 600 |  | 
|---|
| 601 | while (true) { | 
|---|
| 602 | async_serialize_end(); | 
|---|
| 603 | callid = async_get_call(&call); | 
|---|
| 604 | async_serialize_start(); | 
|---|
| 605 |  | 
|---|
| 606 | arg1 = 0; | 
|---|
| 607 | arg2 = 0; | 
|---|
| 608 | arg3 = 0; | 
|---|
| 609 |  | 
|---|
| 610 | switch (IPC_GET_IMETHOD(call)) { | 
|---|
| 611 | case IPC_M_PHONE_HUNGUP: | 
|---|
| 612 | cons->refcount--; | 
|---|
| 613 | if (cons->refcount == 0) | 
|---|
| 614 | gcons_notify_disconnect(cons->index); | 
|---|
| 615 | return; | 
|---|
| 616 | case VFS_OUT_READ: | 
|---|
| 617 | async_serialize_end(); | 
|---|
| 618 | cons_read(cons, callid, &call); | 
|---|
| 619 | async_serialize_start(); | 
|---|
| 620 | continue; | 
|---|
| 621 | case VFS_OUT_WRITE: | 
|---|
| 622 | async_serialize_end(); | 
|---|
| 623 | cons_write(cons, callid, &call); | 
|---|
| 624 | async_serialize_start(); | 
|---|
| 625 | continue; | 
|---|
| 626 | case VFS_OUT_SYNC: | 
|---|
| 627 | fb_pending_flush(); | 
|---|
| 628 | if (cons == active_console) { | 
|---|
| 629 | async_req_0_0(fb_info.phone, FB_FLUSH); | 
|---|
| 630 | curs_goto(cons->scr.position_x, cons->scr.position_y); | 
|---|
| 631 | } | 
|---|
| 632 | break; | 
|---|
| 633 | case CONSOLE_CLEAR: | 
|---|
| 634 | /* Send message to fb */ | 
|---|
| 635 | if (cons == active_console) | 
|---|
| 636 | async_msg_0(fb_info.phone, FB_CLEAR); | 
|---|
| 637 |  | 
|---|
| 638 | screenbuffer_clear(&cons->scr); | 
|---|
| 639 |  | 
|---|
| 640 | break; | 
|---|
| 641 | case CONSOLE_GOTO: | 
|---|
| 642 | screenbuffer_goto(&cons->scr, | 
|---|
| 643 | IPC_GET_ARG1(call), IPC_GET_ARG2(call)); | 
|---|
| 644 | if (cons == active_console) | 
|---|
| 645 | curs_goto(IPC_GET_ARG1(call), | 
|---|
| 646 | IPC_GET_ARG2(call)); | 
|---|
| 647 | break; | 
|---|
| 648 | case CONSOLE_GET_POS: | 
|---|
| 649 | arg1 = cons->scr.position_x; | 
|---|
| 650 | arg2 = cons->scr.position_y; | 
|---|
| 651 | break; | 
|---|
| 652 | case CONSOLE_GET_SIZE: | 
|---|
| 653 | arg1 = fb_info.cols; | 
|---|
| 654 | arg2 = fb_info.rows; | 
|---|
| 655 | break; | 
|---|
| 656 | case CONSOLE_GET_COLOR_CAP: | 
|---|
| 657 | rc = ccap_fb_to_con(fb_info.color_cap, &arg1); | 
|---|
| 658 | if (rc != EOK) { | 
|---|
| 659 | ipc_answer_0(callid, rc); | 
|---|
| 660 | continue; | 
|---|
| 661 | } | 
|---|
| 662 | break; | 
|---|
| 663 | case CONSOLE_SET_STYLE: | 
|---|
| 664 | fb_pending_flush(); | 
|---|
| 665 | arg1 = IPC_GET_ARG1(call); | 
|---|
| 666 | screenbuffer_set_style(&cons->scr, arg1); | 
|---|
| 667 | if (cons == active_console) | 
|---|
| 668 | set_style(arg1); | 
|---|
| 669 | break; | 
|---|
| 670 | case CONSOLE_SET_COLOR: | 
|---|
| 671 | fb_pending_flush(); | 
|---|
| 672 | arg1 = IPC_GET_ARG1(call); | 
|---|
| 673 | arg2 = IPC_GET_ARG2(call); | 
|---|
| 674 | arg3 = IPC_GET_ARG3(call); | 
|---|
| 675 | screenbuffer_set_color(&cons->scr, arg1, arg2, arg3); | 
|---|
| 676 | if (cons == active_console) | 
|---|
| 677 | set_color(arg1, arg2, arg3); | 
|---|
| 678 | break; | 
|---|
| 679 | case CONSOLE_SET_RGB_COLOR: | 
|---|
| 680 | fb_pending_flush(); | 
|---|
| 681 | arg1 = IPC_GET_ARG1(call); | 
|---|
| 682 | arg2 = IPC_GET_ARG2(call); | 
|---|
| 683 | screenbuffer_set_rgb_color(&cons->scr, arg1, arg2); | 
|---|
| 684 | if (cons == active_console) | 
|---|
| 685 | set_rgb_color(arg1, arg2); | 
|---|
| 686 | break; | 
|---|
| 687 | case CONSOLE_CURSOR_VISIBILITY: | 
|---|
| 688 | fb_pending_flush(); | 
|---|
| 689 | arg1 = IPC_GET_ARG1(call); | 
|---|
| 690 | cons->scr.is_cursor_visible = arg1; | 
|---|
| 691 | if (cons == active_console) | 
|---|
| 692 | curs_visibility(arg1); | 
|---|
| 693 | break; | 
|---|
| 694 | case CONSOLE_GET_EVENT: | 
|---|
| 695 | async_serialize_end(); | 
|---|
| 696 | cons_get_event(cons, callid, &call); | 
|---|
| 697 | async_serialize_start(); | 
|---|
| 698 | continue; | 
|---|
| 699 | case CONSOLE_KCON_ENABLE: | 
|---|
| 700 | change_console(kernel_console); | 
|---|
| 701 | break; | 
|---|
| 702 | } | 
|---|
| 703 | ipc_answer_3(callid, EOK, arg1, arg2, arg3); | 
|---|
| 704 | } | 
|---|
| 705 | } | 
|---|
| 706 |  | 
|---|
| 707 | static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) | 
|---|
| 708 | { | 
|---|
| 709 | change_console(prev_console); | 
|---|
| 710 | } | 
|---|
| 711 |  | 
|---|
| 712 | static bool console_init(char *input) | 
|---|
| 713 | { | 
|---|
| 714 | /* Connect to input device */ | 
|---|
| 715 | int input_fd = open(input, O_RDONLY); | 
|---|
| 716 | if (input_fd < 0) { | 
|---|
| 717 | printf(NAME ": Failed opening %s\n", input); | 
|---|
| 718 | return false; | 
|---|
| 719 | } | 
|---|
| 720 |  | 
|---|
| 721 | kbd_phone = fd_phone(input_fd); | 
|---|
| 722 | if (kbd_phone < 0) { | 
|---|
| 723 | printf(NAME ": Failed to connect to input device\n"); | 
|---|
| 724 | return false; | 
|---|
| 725 | } | 
|---|
| 726 |  | 
|---|
| 727 | /* NB: The callback connection is slotted for removal */ | 
|---|
| 728 | sysarg_t phonehash; | 
|---|
| 729 | if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) { | 
|---|
| 730 | printf(NAME ": Failed to create callback from input device\n"); | 
|---|
| 731 | return false; | 
|---|
| 732 | } | 
|---|
| 733 |  | 
|---|
| 734 | async_new_connection(phonehash, 0, NULL, keyboard_events); | 
|---|
| 735 |  | 
|---|
| 736 | /* Connect to mouse device */ | 
|---|
| 737 | mouse_phone = -1; | 
|---|
| 738 | int mouse_fd = open("/dev/hid_in/mouse", O_RDONLY); | 
|---|
| 739 |  | 
|---|
| 740 | if (mouse_fd < 0) { | 
|---|
| 741 | printf(NAME ": Notice - failed opening %s\n", "/dev/hid_in/mouse"); | 
|---|
| 742 | goto skip_mouse; | 
|---|
| 743 | } | 
|---|
| 744 |  | 
|---|
| 745 | mouse_phone = fd_phone(mouse_fd); | 
|---|
| 746 | if (mouse_phone < 0) { | 
|---|
| 747 | printf(NAME ": Failed to connect to mouse device\n"); | 
|---|
| 748 | goto skip_mouse; | 
|---|
| 749 | } | 
|---|
| 750 |  | 
|---|
| 751 | if (ipc_connect_to_me(mouse_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) { | 
|---|
| 752 | printf(NAME ": Failed to create callback from mouse device\n"); | 
|---|
| 753 | mouse_phone = -1; | 
|---|
| 754 | goto skip_mouse; | 
|---|
| 755 | } | 
|---|
| 756 |  | 
|---|
| 757 | async_new_connection(phonehash, 0, NULL, mouse_events); | 
|---|
| 758 | skip_mouse: | 
|---|
| 759 |  | 
|---|
| 760 | /* Connect to framebuffer driver */ | 
|---|
| 761 | fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0); | 
|---|
| 762 | if (fb_info.phone < 0) { | 
|---|
| 763 | printf(NAME ": Failed to connect to video service\n"); | 
|---|
| 764 | return -1; | 
|---|
| 765 | } | 
|---|
| 766 |  | 
|---|
| 767 | /* Register driver */ | 
|---|
| 768 | int rc = devmap_driver_register(NAME, client_connection); | 
|---|
| 769 | if (rc < 0) { | 
|---|
| 770 | printf(NAME ": Unable to register driver (%d)\n", rc); | 
|---|
| 771 | return false; | 
|---|
| 772 | } | 
|---|
| 773 |  | 
|---|
| 774 | /* Initialize gcons */ | 
|---|
| 775 | gcons_init(fb_info.phone); | 
|---|
| 776 |  | 
|---|
| 777 | /* Synchronize, the gcons could put something in queue */ | 
|---|
| 778 | async_req_0_0(fb_info.phone, FB_FLUSH); | 
|---|
| 779 | async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.cols, &fb_info.rows); | 
|---|
| 780 | async_req_0_1(fb_info.phone, FB_GET_COLOR_CAP, &fb_info.color_cap); | 
|---|
| 781 |  | 
|---|
| 782 | /* Set up shared memory buffer. */ | 
|---|
| 783 | size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows; | 
|---|
| 784 | interbuffer = as_get_mappable_page(ib_size); | 
|---|
| 785 |  | 
|---|
| 786 | if (as_area_create(interbuffer, ib_size, AS_AREA_READ | | 
|---|
| 787 | AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) | 
|---|
| 788 | interbuffer = NULL; | 
|---|
| 789 |  | 
|---|
| 790 | if (interbuffer) { | 
|---|
| 791 | if (async_share_out_start(fb_info.phone, interbuffer, | 
|---|
| 792 | AS_AREA_READ) != EOK) { | 
|---|
| 793 | as_area_destroy(interbuffer); | 
|---|
| 794 | interbuffer = NULL; | 
|---|
| 795 | } | 
|---|
| 796 | } | 
|---|
| 797 |  | 
|---|
| 798 | fb_pending.cnt = 0; | 
|---|
| 799 |  | 
|---|
| 800 | /* Inititalize consoles */ | 
|---|
| 801 | size_t i; | 
|---|
| 802 | for (i = 0; i < CONSOLE_COUNT; i++) { | 
|---|
| 803 | if (i != KERNEL_CONSOLE) { | 
|---|
| 804 | if (screenbuffer_init(&consoles[i].scr, | 
|---|
| 805 | fb_info.cols, fb_info.rows) == NULL) { | 
|---|
| 806 | printf(NAME ": Unable to allocate screen buffer %zu\n", i); | 
|---|
| 807 | return false; | 
|---|
| 808 | } | 
|---|
| 809 | screenbuffer_clear(&consoles[i].scr); | 
|---|
| 810 | keybuffer_init(&consoles[i].keybuffer); | 
|---|
| 811 | consoles[i].index = i; | 
|---|
| 812 | consoles[i].refcount = 0; | 
|---|
| 813 |  | 
|---|
| 814 | char vc[DEVMAP_NAME_MAXLEN + 1]; | 
|---|
| 815 | snprintf(vc, DEVMAP_NAME_MAXLEN, "%s/vc%zu", NAMESPACE, i); | 
|---|
| 816 |  | 
|---|
| 817 | if (devmap_device_register(vc, &consoles[i].devmap_handle) != EOK) { | 
|---|
| 818 | devmap_hangup_phone(DEVMAP_DRIVER); | 
|---|
| 819 | printf(NAME ": Unable to register device %s\n", vc); | 
|---|
| 820 | return false; | 
|---|
| 821 | } | 
|---|
| 822 | } | 
|---|
| 823 | } | 
|---|
| 824 |  | 
|---|
| 825 | /* Disable kernel output to the console */ | 
|---|
| 826 | __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE); | 
|---|
| 827 |  | 
|---|
| 828 | /* Initialize the screen */ | 
|---|
| 829 | async_serialize_start(); | 
|---|
| 830 | gcons_redraw_console(); | 
|---|
| 831 | set_style(STYLE_NORMAL); | 
|---|
| 832 | screen_clear(); | 
|---|
| 833 | curs_goto(0, 0); | 
|---|
| 834 | curs_visibility(active_console->scr.is_cursor_visible); | 
|---|
| 835 | async_serialize_end(); | 
|---|
| 836 |  | 
|---|
| 837 | /* Receive kernel notifications */ | 
|---|
| 838 | if (event_subscribe(EVENT_KCONSOLE, 0) != EOK) | 
|---|
| 839 | printf(NAME ": Error registering kconsole notifications\n"); | 
|---|
| 840 |  | 
|---|
| 841 | async_set_interrupt_received(interrupt_received); | 
|---|
| 842 |  | 
|---|
| 843 | return true; | 
|---|
| 844 | } | 
|---|
| 845 |  | 
|---|
| 846 | static void usage(void) | 
|---|
| 847 | { | 
|---|
| 848 | printf("Usage: console <input>\n"); | 
|---|
| 849 | } | 
|---|
| 850 |  | 
|---|
| 851 | int main(int argc, char *argv[]) | 
|---|
| 852 | { | 
|---|
| 853 | if (argc < 2) { | 
|---|
| 854 | usage(); | 
|---|
| 855 | return -1; | 
|---|
| 856 | } | 
|---|
| 857 |  | 
|---|
| 858 | printf(NAME ": HelenOS Console service\n"); | 
|---|
| 859 |  | 
|---|
| 860 | if (!console_init(argv[1])) | 
|---|
| 861 | return -1; | 
|---|
| 862 |  | 
|---|
| 863 | printf(NAME ": Accepting connections\n"); | 
|---|
| 864 | async_manager(); | 
|---|
| 865 |  | 
|---|
| 866 | return 0; | 
|---|
| 867 | } | 
|---|
| 868 |  | 
|---|
| 869 | /** @} | 
|---|
| 870 | */ | 
|---|