Change of vterm handling logic on backend chardev input event (#40)

[lunaix-os.git] / lunaix-os / kernel / tty / tty.c

diff --git a/lunaix-os/kernel/tty/tty.c b/lunaix-os/kernel/tty/tty.c
deleted file mode 100644 (file)
index 399b28d..0000000
--- a/lunaix-os/kernel/tty/tty.c
+++ /dev/null
@@ -1,145 +0,0 @@
-#include <hal/io.h>
-#include <klibc/string.h>
-#include <lunaix/common.h>
-#include <lunaix/spike.h>
-#include <lunaix/tty/console.h>
-#include <lunaix/tty/tty.h>
-#include <stdint.h>
-
-vga_attribute* tty_vga_buffer;
-
-vga_attribute tty_theme_color = VGA_COLOR_BLACK;
-
-inline void
-tty_clear()
-{
-    asm volatile("rep stosw" ::"D"(tty_vga_buffer),
-                 "c"(TTY_HEIGHT * TTY_WIDTH),
-                 "a"(tty_theme_color)
-                 : "memory");
-}
-
-void
-tty_init(void* vga_buf)
-{
-    tty_vga_buffer = (vga_attribute*)vga_buf;
-
-    tty_clear();
-
-    io_outb(0x3D4, 0x0A);
-    io_outb(0x3D5, (io_inb(0x3D5) & 0xC0) | 13);
-
-    io_outb(0x3D4, 0x0B);
-    io_outb(0x3D5, (io_inb(0x3D5) & 0xE0) | 15);
-}
-
-void
-tty_set_theme(vga_attribute fg, vga_attribute bg)
-{
-    tty_theme_color = (bg << 4 | fg) << 8;
-}
-
-void
-tty_flush_buffer(struct fifo_buf* buf)
-{
-    int x = 0, y = 0;
-
-    // Clear screen
-    tty_clear();
-
-    char chr;
-    int state = 0;
-    int g[2] = { 0, 0 };
-    vga_attribute current_theme = tty_theme_color;
-    while (fifo_readone_async(buf, &chr)) {
-        if (state == 0 && chr == '\033') {
-            state = 1;
-        } else if (state == 1 && chr == '[') {
-            state = 2;
-        } else if (state > 1) {
-            if ('0' <= chr && chr <= '9') {
-                g[state - 2] = (chr - '0') + g[state - 2] * 10;
-            } else if (chr == ';' && state == 2) {
-                state = 3;
-            } else {
-                if (g[0] == 39 && g[1] == 49) {
-                    current_theme = tty_theme_color;
-                } else {
-                    current_theme = (g[1] << 4 | g[0]) << 8;
-                }
-                g[0] = 0;
-                g[1] = 0;
-                state = 0;
-            }
-        } else {
-            state = 0;
-            switch (chr) {
-                case '\t':
-                    x += 4;
-                    break;
-                case '\n':
-                    y++;
-                    // fall through
-                case '\r':
-                    x = 0;
-                    break;
-                // case '\x08':
-                //     *(tty_vga_buffer + x + y * TTY_WIDTH) =
-                //       (current_theme | 0x20);
-                //     break;
-                default:
-                    *(tty_vga_buffer + x + y * TTY_WIDTH) =
-                      (current_theme | chr);
-                    (x)++;
-                    break;
-            }
-
-            if (x >= TTY_WIDTH) {
-                x = 0;
-                y++;
-            }
-            if (y >= TTY_HEIGHT) {
-                y--;
-                break;
-            }
-        }
-    }
-    tty_set_cursor(x, y);
-}
-
-void
-tty_set_cursor(uint8_t x, uint8_t y)
-{
-    if (x >= TTY_WIDTH || y >= TTY_HEIGHT) {
-        x = y = 0;
-    }
-    u32_t pos = y * TTY_WIDTH + x;
-    io_outb(0x3D4, 14);
-    io_outb(0x3D5, pos / 256);
-    io_outb(0x3D4, 15);
-    io_outb(0x3D5, pos % 256);
-}
-
-void
-tty_clear_line(int line_num)
-{
-    asm volatile("rep stosw" ::"D"(tty_vga_buffer + line_num * TTY_WIDTH),
-                 "c"(TTY_WIDTH),
-                 "a"(tty_theme_color)
-                 : "memory");
-}
-
-void
-tty_put_str_at(char* str, int x, int y)
-{
-    char c;
-    while ((c = (*str)) && y < TTY_HEIGHT) {
-        *(tty_vga_buffer + x + y * TTY_WIDTH) = c | tty_theme_color;
-        x++;
-        if (x >= TTY_WIDTH) {
-            y++;
-            x = 0;
-        }
-        str++;
-    }
-}
\ No newline at end of file