X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/5486af56a526398455ca6fa212e7b43c72daec98..c6de44b989e9d7286337e4cbf4d82d919f9120e6:/lunaix-os/kernel/tty/tty.c diff --git a/lunaix-os/kernel/tty/tty.c b/lunaix-os/kernel/tty/tty.c index d4ac8d0..b8631b6 100644 --- a/lunaix-os/kernel/tty/tty.c +++ b/lunaix-os/kernel/tty/tty.c @@ -6,22 +6,25 @@ #include #include -vga_attribute* tty_vga_buffer = (vga_attribute*)VGA_BUFFER_PADDR; +vga_attribute* tty_vga_buffer; vga_attribute tty_theme_color = VGA_COLOR_BLACK; -#define TTY_CLEAR \ - asm volatile("rep stosw" ::"D"(tty_vga_buffer), \ - "c"(TTY_HEIGHT * TTY_WIDTH), \ - "a"(tty_theme_color) \ +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 + tty_clear(); io_outb(0x3D4, 0x0A); io_outb(0x3D5, (io_inb(0x3D5) & 0xC0) | 13); @@ -36,23 +39,19 @@ tty_set_theme(vga_attribute fg, vga_attribute bg) tty_theme_color = (bg << 4 | fg) << 8; } -size_t -tty_flush_buffer(char* data, size_t pos, size_t limit, size_t buf_size) +void +tty_flush_buffer(struct fifo_buf* buf) { int x = 0, y = 0; // Clear screen - TTY_CLEAR + tty_clear(); + char chr; int state = 0; int g[2] = { 0, 0 }; vga_attribute current_theme = tty_theme_color; - while (1) { - size_t ptr = pos % buf_size; - if (pos == limit) { - break; - } - char chr = data[pos]; + while (fifo_readone_async(buf, &chr)) { if (state == 0 && chr == '\033') { state = 1; } else if (state == 1 && chr == '[') { @@ -84,11 +83,10 @@ tty_flush_buffer(char* data, size_t pos, size_t limit, size_t buf_size) case '\r': x = 0; break; - case '\x08': - x = x ? x - 1 : 0; - *(tty_vga_buffer + x + y * TTY_WIDTH) = - (current_theme | 0x20); - 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); @@ -105,10 +103,8 @@ tty_flush_buffer(char* data, size_t pos, size_t limit, size_t buf_size) break; } } - pos++; } tty_set_cursor(x, y); - return pos; } void