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 e5a913f..0000000
--- a/lunaix-os/kernel/tty/tty.c
+++ /dev/null
@@ -1,116 +0,0 @@
-#include <klibc/string.h>
-#include <lunaix/spike.h>
-#include <lunaix/tty/tty.h>
-#include <stdint.h>
-
-#include <sys/port_io.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();
-
-    port_wrbyte(0x3D4, 0x0A);
-    port_wrbyte(0x3D5, (port_rdbyte(0x3D5) & 0xC0) | 13);
-
-    port_wrbyte(0x3D4, 0x0B);
-    port_wrbyte(0x3D5, (port_rdbyte(0x3D5) & 0xE0) | 15);
-}
-
-void
-tty_set_cursor(u8_t x, u8_t y)
-{
-    if (x >= TTY_WIDTH || y >= TTY_HEIGHT) {
-        x = y = 0;
-    }
-    u32_t pos = y * TTY_WIDTH + x;
-    port_wrbyte(0x3D4, 14);
-    port_wrbyte(0x3D5, pos / 256);
-    port_wrbyte(0x3D4, 15);
-    port_wrbyte(0x3D5, pos % 256);
-}
-
-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;
-    while (fifo_readone_async(buf, (u8_t*)&chr)) {
-        switch (chr) {
-            case '\t':
-                x += 4;
-                break;
-            case '\n':
-                y++;
-                // fall through
-            case '\r':
-                x = 0;
-                break;
-            default:
-                *(tty_vga_buffer + x + y * TTY_WIDTH) =
-                    (tty_theme_color | chr);
-                (x)++;
-                break;
-        }
-
-        if (x >= TTY_WIDTH) {
-            x = 0;
-            y++;
-        }
-        if (y >= TTY_HEIGHT) {
-            y--;
-            break;
-        }
-    }
-
-    tty_set_cursor(x, y);
-}
-
-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