#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>
-#define TTY_WIDTH 80
-#define TTY_HEIGHT 25
+vga_attribute* tty_vga_buffer;
-static vga_attribute* tty_vga_buffer = (vga_attribute*)VGA_BUFFER_PADDR;
+vga_attribute tty_theme_color = VGA_COLOR_BLACK;
-static vga_attribute tty_theme_color = VGA_COLOR_BLACK;
-
-static uint32_t tty_x = 0;
-static uint32_t tty_y = 0;
+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) & 0xE0) | 15);
}
-void
-tty_set_buffer(void* vga_buf)
-{
- tty_vga_buffer = (vga_attribute*)vga_buf;
-}
-
void
tty_set_theme(vga_attribute fg, vga_attribute bg)
{
}
void
-tty_put_char(char chr)
+tty_flush_buffer(struct fifo_buf* buf)
{
- switch (chr) {
- case '\t':
- tty_x += 4;
- break;
- case '\n':
- tty_y++;
- // fall through
- case '\r':
- tty_x = 0;
- break;
- case '\x08':
- tty_x = tty_x ? tty_x - 1 : 0;
- *(tty_vga_buffer + tty_x + tty_y * TTY_WIDTH) =
- (tty_theme_color | 0x20);
- break;
- default:
- *(tty_vga_buffer + tty_x + tty_y * TTY_WIDTH) =
- (tty_theme_color | chr);
- tty_x++;
- break;
- }
+ int x = 0, y = 0;
- if (tty_x >= TTY_WIDTH) {
- tty_x = 0;
- tty_y++;
- }
- if (tty_y >= TTY_HEIGHT) {
- tty_scroll_up();
- }
-}
+ // Clear screen
+ tty_clear();
-void
-tty_sync_cursor()
-{
- tty_set_cursor(tty_x, tty_y);
+ 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
if (x >= TTY_WIDTH || y >= TTY_HEIGHT) {
x = y = 0;
}
- uint32_t pos = y * TTY_WIDTH + x;
+ u32_t pos = y * TTY_WIDTH + x;
io_outb(0x3D4, 14);
io_outb(0x3D5, pos / 256);
io_outb(0x3D4, 15);
}
void
-tty_put_str(char* str)
+tty_clear_line(int line_num)
{
- while (*str != '\0') {
- tty_put_char(*str);
- str++;
- }
- // FIXME: This does not work in user mode.
- // Work around:
- // 1. (Easy) Define an IO Permission bitmap in TSS
- // 2. (More effort) Mount onto file system. (/dev/tty)
- // tty_sync_cursor();
+ asm volatile("rep stosw" ::"D"(tty_vga_buffer + line_num * TTY_WIDTH),
+ "c"(TTY_WIDTH),
+ "a"(tty_theme_color)
+ : "memory");
}
void
-tty_scroll_up()
+tty_put_str_at(char* str, int x, int y)
{
- size_t last_line = TTY_WIDTH * (TTY_HEIGHT - 1);
- memcpy(tty_vga_buffer, tty_vga_buffer + TTY_WIDTH, last_line * 2);
- for (size_t i = 0; i < TTY_WIDTH; i++) {
- *(tty_vga_buffer + i + last_line) = tty_theme_color;
- }
- tty_y = tty_y == 0 ? 0 : TTY_HEIGHT - 1;
-}
-
-void
-tty_clear()
-{
- for (uint32_t i = 0; i < TTY_WIDTH * TTY_HEIGHT; i++) {
- *(tty_vga_buffer + i) = tty_theme_color;
- }
- tty_x = 0;
- tty_y = 0;
-}
-
-void
-tty_clear_line(unsigned int y)
-{
- for (size_t i = 0; i < TTY_WIDTH; i++) {
- *(tty_vga_buffer + i + y * TTY_WIDTH) = tty_theme_color;
+ 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++;
}
-}
-
-void
-tty_set_cpos(unsigned int x, unsigned int y)
-{
- tty_x = x % TTY_WIDTH;
- tty_y = y % TTY_HEIGHT;
-}
-
-void
-tty_get_cpos(unsigned int* x, unsigned int* y)
-{
- *x = tty_x;
- *y = tty_y;
-}
-
-vga_attribute
-tty_get_theme()
-{
- return tty_theme_color;
}
\ No newline at end of file
git://scm.lunaixsky.com / lunaix-os.git / blobdiff