163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
#include "type.h"
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#include "const.h"
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#include "protect.h"
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#include "string.h"
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#include "proc.h"
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#include "tty.h"
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#include "console.h"
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#include "global.h"
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#include "proto.h"
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#include "keyboard.h"
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#include "x86.h"
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#include "memman.h"
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#include "stdio.h"
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int current_console; // 当前显示在屏幕上的console
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void tty_write(NTTY *tty, char *buf, int len);
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int tty_read(NTTY *tty, char *buf, int len);
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static void tty_mouse(TTY *tty);
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static void tty_dev_read(TTY *tty);
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static void tty_dev_write(TTY *tty);
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static void put_key(TTY *tty, u32 key);
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#ifdef DEBUGNEW
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NTTY* cur_ntty;
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NTTY* ntty_table[NR_CONSOLES];
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// int cur_ntty = 0;
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static keyboard_buf keyboardbuf[NR_CONSOLES];
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static vga_buf vgabuf[NR_CONSOLES];
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inline NTTY* get_tty(const int nr_tty) {
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return ntty_table[nr_tty];
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}
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void init_tty_main()
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{
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NTTY *tty;
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for (int i = 0; i < 3; ++i)
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{
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// tty = &ntty_table[i];
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tty = (NTTY*)K_PHY2LIN(do_kmalloc(sizeof(NTTY)));
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tty->driver_type = 1; // vga
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// tty->input_buf = (void*)do_kmalloc(sizeof(keyboard_buf));
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// tty->output_buf = (void*)do_kmalloc(sizeof(vga_buf));
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tty->input_buf = &keyboardbuf[i];
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tty->output_buf = &vgabuf[i];
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vga_tty_init(tty);
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ps2_tty_init(tty);
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ntty_table[i] = tty;
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// kprintf("tty: %p, outbuf: %p\n", tty, tty->output_buf);
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}
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cur_ntty = ntty_table[0];
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}
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#endif
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#ifndef DEBUGNEW
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void in_process(TTY *p_tty, u32 key)
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{
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int real_line = p_tty->console->orig / SCR_WIDTH;
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if (!(key & FLAG_EXT))
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{
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put_key(p_tty, key);
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}
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else
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{
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int raw_code = key & MASK_RAW;
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switch (raw_code)
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{
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case ENTER:
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put_key(p_tty, '\n');
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p_tty->status = p_tty->status & 3; //&3'b011
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break;
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case BACKSPACE:
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put_key(p_tty, '\b');
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break;
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case UP:
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if (p_tty->console->current_line < 43)
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{
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disable_int();
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p_tty->console->current_line++;
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outb(CRTC_ADDR_REG, START_ADDR_H);
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outb(CRTC_DATA_REG, ((80 * (p_tty->console->current_line + real_line)) >> 8) & 0xFF);
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outb(CRTC_ADDR_REG, START_ADDR_L);
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outb(CRTC_DATA_REG, (80 * (p_tty->console->current_line + real_line)) & 0xFF);
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enable_int();
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}
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break;
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case DOWN:
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if (p_tty->console->current_line > 0)
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{
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disable_int();
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p_tty->console->current_line--;
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outb(CRTC_ADDR_REG, START_ADDR_H);
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outb(CRTC_DATA_REG, ((80 * (p_tty->console->current_line + real_line)) >> 8) & 0xFF);
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outb(CRTC_ADDR_REG, START_ADDR_L);
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outb(CRTC_DATA_REG, (80 * (p_tty->console->current_line + real_line)) & 0xFF);
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enable_int();
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}
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break;
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case F1:
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case F2:
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case F3:
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case F4:
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case F5:
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case F6:
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case F7:
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case F8:
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case F9:
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case F10:
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case F11:
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case F12:
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select_console(raw_code - F1);
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break;
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}
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}
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}
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#endif
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void task_tty()
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{
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// NTTY* p_tty;
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// for (p_tty = ntty_table; p_tty < ntty_table + 3; ++ p_tty) {
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// init_ntty(p_tty);
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// }
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while (1)
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{
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// sys_yield();
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// vga_tty_flush(cur_ntty);
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}
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}
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/*****************************************************************************
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* tty_write
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****************************************************************************
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* 当fd=STD_OUT时，write()系统调用转发到此函数
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*****************************************************************************/
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void tty_write(NTTY *tty, char *buf, int len)
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{
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while (--len >= 0)
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{
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vga_tty_write(tty, *buf++);
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}
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if (cur_ntty == tty) vga_tty_flush(tty);
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}
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/*****************************************************************************
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* tty_read
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****************************************************************************
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* 当fd=STD_IN时，read()系统调用转发到此函数
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*****************************************************************************/
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int tty_read(NTTY *tty, char *buf, int len)
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{
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return ps2_tty_read(tty, buf, len);
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} |