2022-12-07 02:41:18 +02:00
|
|
|
#include <kernel/IO.h>
|
2022-11-15 21:42:14 +02:00
|
|
|
#include <kernel/panic.h>
|
2022-12-10 03:53:44 +02:00
|
|
|
#include <kernel/Serial.h>
|
2022-11-12 21:04:47 +02:00
|
|
|
#include <kernel/tty.h>
|
2022-12-15 19:05:07 +02:00
|
|
|
#include <kernel/VESA.h>
|
2022-11-12 21:04:47 +02:00
|
|
|
|
2022-11-15 21:42:14 +02:00
|
|
|
#include <string.h>
|
2022-11-12 21:04:47 +02:00
|
|
|
|
2022-12-10 03:53:44 +02:00
|
|
|
#define BEL 0x07
|
|
|
|
#define BS 0x08
|
|
|
|
#define HT 0x09
|
|
|
|
#define LF 0x0A
|
|
|
|
#define FF 0x0C
|
|
|
|
#define CR 0x0D
|
|
|
|
#define ESC 0x1B
|
|
|
|
|
|
|
|
#define CSI '['
|
|
|
|
|
2022-12-10 00:33:03 +02:00
|
|
|
namespace TTY
|
2022-11-12 21:04:47 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
|
|
|
|
static uint32_t terminal_height = 0;
|
|
|
|
static uint32_t terminal_width = 0;
|
|
|
|
static uint32_t terminal_row = 0;
|
|
|
|
static uint32_t terminal_col = 0;
|
2022-12-16 00:46:10 +02:00
|
|
|
static VESA::Color terminal_fg = VESA::Color::BRIGHT_WHITE;
|
2022-12-15 19:05:07 +02:00
|
|
|
static VESA::Color terminal_bg = VESA::Color::BLACK;
|
2022-12-10 00:33:03 +02:00
|
|
|
|
2022-12-10 03:53:44 +02:00
|
|
|
static char s_ansi_escape_mode = '\0';
|
|
|
|
static int s_ansi_escape_index = 0;
|
|
|
|
static int s_ansi_escape_nums[2] = { -1, -1 };
|
|
|
|
|
2022-12-15 19:05:07 +02:00
|
|
|
template<typename T> inline constexpr T max(T a, T b) { return a > b ? a : b; }
|
|
|
|
template<typename T> inline constexpr T min(T a, T b) { return a < b ? a : b; }
|
|
|
|
template<typename T> inline constexpr T clamp(T x, T a, T b) { return x < a ? a : x > b ? b : x; }
|
2022-12-10 03:53:44 +02:00
|
|
|
|
2022-12-15 19:05:07 +02:00
|
|
|
void initialize()
|
2022-11-15 21:42:14 +02:00
|
|
|
{
|
2022-12-16 00:46:10 +02:00
|
|
|
terminal_width = VESA::GetTerminalWidth();
|
|
|
|
terminal_height = VESA::GetTerminalHeight();
|
2022-11-15 21:42:14 +02:00
|
|
|
}
|
2022-12-10 00:33:03 +02:00
|
|
|
|
|
|
|
void clear()
|
2022-11-15 21:42:14 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
VESA::Clear(VESA::Color::BLACK);
|
2022-12-10 00:33:03 +02:00
|
|
|
}
|
2022-11-12 21:04:47 +02:00
|
|
|
|
2022-12-15 19:05:07 +02:00
|
|
|
void setcolor(VESA::Color fg, VESA::Color bg)
|
2022-11-12 21:04:47 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_fg = fg;
|
|
|
|
terminal_bg = bg;
|
2022-11-12 21:04:47 +02:00
|
|
|
}
|
2022-12-10 00:33:03 +02:00
|
|
|
|
|
|
|
void clear_line(size_t line)
|
2022-12-07 04:35:02 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
for (size_t x = 0; x < terminal_width; x++)
|
|
|
|
VESA::PutEntryAt(' ', x, line, terminal_fg, terminal_bg);
|
2022-12-07 04:35:02 +02:00
|
|
|
}
|
2022-12-10 00:33:03 +02:00
|
|
|
|
|
|
|
static void update_cursor()
|
2022-11-12 21:04:47 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
uint16_t pos = terminal_row * terminal_width + terminal_col;
|
2022-12-10 00:33:03 +02:00
|
|
|
IO::outb(0x3D4, 0x0F);
|
|
|
|
IO::outb(0x3D5, (uint8_t) (pos & 0xFF));
|
|
|
|
IO::outb(0x3D4, 0x0E);
|
|
|
|
IO::outb(0x3D5, (uint8_t) ((pos >> 8) & 0xFF));
|
2022-11-12 21:04:47 +02:00
|
|
|
}
|
|
|
|
|
2022-12-10 00:33:03 +02:00
|
|
|
void set_cursor_pos(int x, int y)
|
2022-11-12 21:04:47 +02:00
|
|
|
{
|
2022-12-10 00:33:03 +02:00
|
|
|
terminal_row = y;
|
|
|
|
terminal_col = x;
|
|
|
|
update_cursor();
|
2022-11-12 21:04:47 +02:00
|
|
|
}
|
|
|
|
|
2022-12-10 03:53:44 +02:00
|
|
|
static void reset_ansi_escape()
|
2022-11-12 21:04:47 +02:00
|
|
|
{
|
2022-12-10 03:53:44 +02:00
|
|
|
s_ansi_escape_mode = '\0';
|
|
|
|
s_ansi_escape_index = 0;
|
|
|
|
s_ansi_escape_nums[0] = -1;
|
|
|
|
s_ansi_escape_nums[1] = -1;
|
|
|
|
}
|
2022-12-10 00:33:03 +02:00
|
|
|
|
2022-12-10 03:53:44 +02:00
|
|
|
static void handle_ansi_SGR()
|
|
|
|
{
|
|
|
|
switch (s_ansi_escape_nums[0])
|
2022-12-10 00:33:03 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
case -1:
|
|
|
|
case 0:
|
2022-12-16 00:46:10 +02:00
|
|
|
terminal_fg = VESA::Color::BRIGHT_WHITE;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_bg = VESA::Color::BLACK;
|
2022-12-10 03:53:44 +02:00
|
|
|
break;
|
|
|
|
|
2022-12-16 00:46:10 +02:00
|
|
|
case 30: terminal_fg = VESA::Color::BRIGHT_BLACK; break;
|
|
|
|
case 31: terminal_fg = VESA::Color::BRIGHT_RED; break;
|
|
|
|
case 32: terminal_fg = VESA::Color::BRIGHT_GREEN; break;
|
|
|
|
case 33: terminal_fg = VESA::Color::BRIGHT_YELLOW; break;
|
|
|
|
case 34: terminal_fg = VESA::Color::BRIGHT_BLUE; break;
|
|
|
|
case 35: terminal_fg = VESA::Color::BRIGHT_MAGENTA; break;
|
|
|
|
case 36: terminal_fg = VESA::Color::BRIGHT_CYAN; break;
|
|
|
|
case 37: terminal_fg = VESA::Color::BRIGHT_WHITE; break;
|
|
|
|
|
|
|
|
case 40: terminal_bg = VESA::Color::BRIGHT_BLACK; break;
|
|
|
|
case 41: terminal_bg = VESA::Color::BRIGHT_RED; break;
|
|
|
|
case 42: terminal_bg = VESA::Color::BRIGHT_GREEN; break;
|
|
|
|
case 43: terminal_bg = VESA::Color::BRIGHT_YELLOW; break;
|
|
|
|
case 44: terminal_bg = VESA::Color::BRIGHT_BLUE; break;
|
|
|
|
case 45: terminal_bg = VESA::Color::BRIGHT_MAGENTA; break;
|
|
|
|
case 46: terminal_bg = VESA::Color::BRIGHT_CYAN; break;
|
|
|
|
case 47: terminal_bg = VESA::Color::BRIGHT_WHITE; break;
|
2022-12-10 00:33:03 +02:00
|
|
|
}
|
2022-12-10 03:53:44 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void handle_ansi_escape(char c)
|
|
|
|
{
|
|
|
|
switch (s_ansi_escape_mode)
|
2022-12-10 00:33:03 +02:00
|
|
|
{
|
2022-12-10 03:53:44 +02:00
|
|
|
case '\1':
|
|
|
|
{
|
|
|
|
if (c == CSI)
|
|
|
|
{
|
|
|
|
s_ansi_escape_mode = CSI;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
return reset_ansi_escape();
|
|
|
|
}
|
|
|
|
|
|
|
|
case CSI:
|
|
|
|
{
|
|
|
|
switch (c)
|
|
|
|
{
|
|
|
|
case '0': case '1': case '2': case '3': case '4':
|
|
|
|
case '5': case '6': case '7': case '8': case '9':
|
|
|
|
{
|
|
|
|
int& val = s_ansi_escape_nums[s_ansi_escape_index];
|
|
|
|
val = (val == -1) ? (c - '0') : (val * 10 + c - '0');
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
case ';':
|
|
|
|
s_ansi_escape_index++;
|
|
|
|
return;
|
|
|
|
case 'A': // Cursor Up
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_row = max<int32_t>(terminal_row - s_ansi_escape_nums[0], 0);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'B': // Curson Down
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_row = min<int32_t>(terminal_row + s_ansi_escape_nums[0], terminal_height - 1);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'C': // Cursor Forward
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_col = min<int32_t>(terminal_col + s_ansi_escape_nums[0], terminal_width - 1);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'D': // Cursor Back
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_col = max<int32_t>(terminal_col - s_ansi_escape_nums[0], 0);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'E': // Cursor Next Line
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_row = min<int32_t>(terminal_row + s_ansi_escape_nums[0], terminal_height - 1);
|
2022-12-10 03:53:44 +02:00
|
|
|
terminal_col = 0;
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'F': // Cursor Previous Line
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_row = max<int32_t>(terminal_row - s_ansi_escape_nums[0], 0);
|
2022-12-10 03:53:44 +02:00
|
|
|
terminal_col = 0;
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'G': // Cursor Horizontal Absolute
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_col = clamp<int32_t>(s_ansi_escape_nums[0] - 1, 0, terminal_width - 1);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'H': // Cursor Position
|
|
|
|
if (s_ansi_escape_nums[0] == -1)
|
|
|
|
s_ansi_escape_nums[0] = 1;
|
|
|
|
if (s_ansi_escape_nums[1] == -1)
|
|
|
|
s_ansi_escape_nums[1] = 1;
|
2022-12-15 19:05:07 +02:00
|
|
|
terminal_row = clamp<int32_t>(s_ansi_escape_nums[0] - 1, 0, terminal_height - 1);
|
|
|
|
terminal_col = clamp<int32_t>(s_ansi_escape_nums[1] - 1, 0, terminal_width - 1);
|
2022-12-10 03:53:44 +02:00
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'J': // Erase in Display
|
|
|
|
dprintln("Unsupported ANSI CSI character J");
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'K': // Erase in Line
|
|
|
|
switch (s_ansi_escape_nums[0])
|
|
|
|
{
|
|
|
|
case -1: case 0:
|
2022-12-15 19:05:07 +02:00
|
|
|
for (size_t i = terminal_col; i < terminal_width; i++)
|
|
|
|
VESA::PutEntryAt(' ', i, terminal_row, terminal_fg, terminal_bg);
|
2022-12-10 03:53:44 +02:00
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
for (size_t i = 0; i <= terminal_col; i++)
|
2022-12-15 19:05:07 +02:00
|
|
|
VESA::PutEntryAt(' ', i, terminal_row, terminal_fg, terminal_bg);
|
2022-12-10 03:53:44 +02:00
|
|
|
break;
|
|
|
|
case 2:
|
2022-12-15 19:05:07 +02:00
|
|
|
for (size_t i = 0; i < terminal_width; i++)
|
|
|
|
VESA::PutEntryAt(' ', i, terminal_row, terminal_fg, terminal_bg);
|
2022-12-10 03:53:44 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'S': // Scroll Up
|
|
|
|
dprintln("Unsupported ANSI CSI character S");
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'T': // Scroll Down
|
|
|
|
dprintln("Unsupported ANSI CSI character T");
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'f': // Horizontal Vertical Position
|
|
|
|
dprintln("Unsupported ANSI CSI character f");
|
|
|
|
return reset_ansi_escape();
|
|
|
|
case 'm':
|
|
|
|
handle_ansi_SGR();
|
|
|
|
return reset_ansi_escape();
|
|
|
|
default:
|
|
|
|
dprintln("Unsupported ANSI CSI character {}", c);
|
|
|
|
return reset_ansi_escape();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
dprintln("Unsupported ANSI mode");
|
|
|
|
return reset_ansi_escape();
|
2022-12-10 00:33:03 +02:00
|
|
|
}
|
2022-12-10 03:53:44 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void putchar(char c)
|
|
|
|
{
|
|
|
|
if (s_ansi_escape_mode)
|
|
|
|
return handle_ansi_escape(c);
|
|
|
|
|
|
|
|
// https://en.wikipedia.org/wiki/ANSI_escape_code
|
|
|
|
switch (c)
|
2022-12-10 00:33:03 +02:00
|
|
|
{
|
2022-12-10 03:53:44 +02:00
|
|
|
case BEL: // TODO
|
|
|
|
break;
|
|
|
|
case BS:
|
|
|
|
if (terminal_col > 0)
|
|
|
|
terminal_col--;
|
|
|
|
break;
|
|
|
|
case HT:
|
|
|
|
terminal_col++;
|
|
|
|
while (terminal_col % 8)
|
|
|
|
terminal_col++;
|
|
|
|
break;
|
|
|
|
case LF:
|
|
|
|
terminal_col = 0;
|
|
|
|
terminal_row++;
|
|
|
|
break;
|
|
|
|
case FF:
|
|
|
|
terminal_row++;
|
|
|
|
break;
|
|
|
|
case CR:
|
|
|
|
terminal_col = 0;
|
|
|
|
break;
|
|
|
|
case ESC:
|
|
|
|
s_ansi_escape_mode = '\1';
|
|
|
|
break;
|
|
|
|
default:
|
2022-12-15 19:05:07 +02:00
|
|
|
VESA::PutEntryAt(c, terminal_col, terminal_row, terminal_fg, terminal_bg);
|
2022-12-10 03:53:44 +02:00
|
|
|
terminal_col++;
|
|
|
|
break;
|
2022-12-10 00:33:03 +02:00
|
|
|
}
|
|
|
|
|
2022-12-15 19:05:07 +02:00
|
|
|
if (terminal_col >= terminal_width)
|
2022-12-10 00:33:03 +02:00
|
|
|
{
|
|
|
|
terminal_col = 0;
|
|
|
|
terminal_row++;
|
|
|
|
}
|
|
|
|
|
2022-12-15 19:05:07 +02:00
|
|
|
while (terminal_row >= terminal_height)
|
2022-12-10 00:33:03 +02:00
|
|
|
{
|
2022-12-15 19:05:07 +02:00
|
|
|
for (size_t line = 1; line < terminal_height; line++)
|
|
|
|
VESA::ScrollLine(line);
|
|
|
|
clear_line(terminal_height - 1);
|
2022-12-10 00:33:03 +02:00
|
|
|
|
|
|
|
terminal_col = 0;
|
2022-12-10 03:53:44 +02:00
|
|
|
terminal_row--;
|
2022-12-10 00:33:03 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
update_cursor();
|
2022-11-12 21:04:47 +02:00
|
|
|
}
|
2022-11-15 09:26:14 +02:00
|
|
|
|
2022-12-10 00:33:03 +02:00
|
|
|
void write(const char* data, size_t size)
|
|
|
|
{
|
|
|
|
for (size_t i = 0; i < size; i++)
|
|
|
|
putchar(data[i]);
|
|
|
|
}
|
2022-11-12 21:04:47 +02:00
|
|
|
|
2022-12-10 00:33:03 +02:00
|
|
|
void writestring(const char* data)
|
|
|
|
{
|
|
|
|
while (*data)
|
|
|
|
{
|
|
|
|
putchar(*data);
|
|
|
|
data++;
|
|
|
|
}
|
|
|
|
}
|
2022-11-12 21:04:47 +02:00
|
|
|
|
|
|
|
}
|