293 lines
7.4 KiB
C
293 lines
7.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "bootpack.h"
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#include "command.h"
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#include "console.h"
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#include "desctbl.h"
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#include "fifo.h"
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#include "fs.h"
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#include "graphic.h"
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#include "io.h"
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#include "memory.h"
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#include "mouse.h"
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#include "sheet.h"
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#include "task.h"
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#include "timer.h"
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#include "window.h"
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void console_task(struct Sheet *sheet, unsigned int memtotal) {
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struct Task *task = task_now();
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char s[30], cmdline[30];
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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int *fat = (int *)memman_alloc_4k(memman, 4 * 2880);
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struct SegmentDescriptor *gdt = (struct SegmentDescriptor *)ADR_GDT;
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int x, y;
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struct Console cons;
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struct FileHandle fHandle[8];
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cons.sheet = sheet;
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cons.cur_x = 8;
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cons.cur_y = 28;
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cons.cur_c = -1;
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task->cons = &cons;
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task->cmdline = cmdline;
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if (cons.sheet) {
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cons.timer = timer_alloc();
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timer_init(cons.timer, &task->fifo, 1);
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timer_set_timer(cons.timer, 50);
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}
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file_read_fat(fat, (unsigned char *)(ADR_DISKIMG + 0x000200));
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for (int i = 0; i < 8; i++) {
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fHandle[i].buf = NULL;
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}
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task->fHandle = fHandle;
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task->fat = fat;
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cons_putchar(&cons, '>', 1);
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for (;;) {
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io_cli();
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if (!fifo32_status(&task->fifo)) {
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task_sleep(task);
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io_sti();
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} else {
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int data = fifo32_get(&task->fifo);
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io_sti();
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if (data <= 1 && cons.sheet) {
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if (data) {
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timer_init(cons.timer, &task->fifo, 0);
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if (cons.cur_c >= 0) {
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cons.cur_c = COL8_FFFFFF;
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}
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} else {
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timer_init(cons.timer, &task->fifo, 1);
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if (cons.cur_c >= 0) {
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cons.cur_c = COL8_000000;
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}
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}
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timer_set_timer(cons.timer, 50);
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}
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// 光标ON
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if (data == 2) {
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cons.cur_c = COL8_FFFFFF;
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}
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// 光标OFF
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if (data == 3) {
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if (cons.sheet) {
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box_fill8(cons.sheet->buf, cons.sheet->bxsize, COL8_000000,
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cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
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}
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cons.cur_c = -1;
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}
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if (data == 4) {
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cmd_exit(&cons, fat);
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}
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if (data >= 256 && data <= 511) {
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if (data == 8 + 256) {
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// 退格键
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if (cons.cur_x > 16) {
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// 用空白擦除光标后将光标前移一位
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cons_putchar(&cons, ' ', 0);
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cons.cur_x -= 8;
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}
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} else if (data == 10 + 256) {
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// 回车键
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// 用空格将光标擦除
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cons_putchar(&cons, ' ', 0);
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cmdline[cons.cur_x / 8 - 2] = '\0';
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cons_newline(&cons);
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cons_run_cmd(cmdline, &cons, fat, memtotal);
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if (!cons.sheet) {
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cmd_exit(&cons, fat);
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}
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cons_putchar(&cons, '>', 1);
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} else {
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if (cons.cur_x < 240) {
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cmdline[cons.cur_x / 8 - 2] = data - 256;
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cons_putchar(&cons, data - 256, 1);
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}
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}
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}
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if (cons.sheet) {
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if (cons.cur_c >= 0) {
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box_fill8(cons.sheet->buf, cons.sheet->bxsize, cons.cur_c, cons.cur_x,
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cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
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}
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sheet_refresh(cons.sheet, cons.cur_x, cons.cur_y, cons.cur_x + 8,
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cons.cur_y + 16);
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}
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}
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}
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}
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void cons_putchar(struct Console *cons, int ch, char move) {
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char s[2];
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s[0] = ch;
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s[1] = '\0';
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if (s[0] == '\t') {
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for (;;) {
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if (cons->sheet) {
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put_fonts8_asc_sht(cons->sheet, cons->cur_x, cons->cur_y, COL8_FFFFFF,
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COL8_000000, " ", 1);
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}
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cons->cur_x += 8;
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if (cons->cur_x == 8 + 240) {
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cons_newline(cons);
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}
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if (!((cons->cur_x - 8) & 0x1f)) {
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break; // 被32整除则break
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}
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}
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} else if (s[0] == '\n') {
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// 换行符
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cons_newline(cons);
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} else if (s[0] == '\r') {
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// 回车符，暂不处理
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} else {
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if (cons->sheet) {
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put_fonts8_asc_sht(cons->sheet, cons->cur_x, cons->cur_y, COL8_FFFFFF,
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COL8_000000, s, 1);
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}
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if (move) {
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cons->cur_x += 8;
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if (cons->cur_x == 8 + 240) {
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cons_newline(cons);
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}
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}
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}
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}
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void cons_newline(struct Console *cons) {
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struct Sheet *sheet = cons->sheet;
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if (cons->cur_y < 28 + 112) {
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cons->cur_y += 16;
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} else {
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// 滚动
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if (sheet) {
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for (int y = 28; y < 28 + 112; y++) {
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for (int x = 8; x < 8 + 240; x++) {
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sheet->buf[x + y * sheet->bxsize] =
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sheet->buf[x + (y + 16) * sheet->bxsize];
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}
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}
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for (int y = 28 + 112; y < 28 + 128; y++) {
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for (int x = 8; x < 8 + 240; x++) {
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sheet->buf[x + y * sheet->bxsize] = COL8_000000;
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}
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}
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sheet_refresh(sheet, 8, 28, 8 + 240, 28 + 128);
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}
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}
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cons->cur_x = 8;
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}
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void cons_putstr(struct Console *cons, char *s) {
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while (*s) {
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cons_putchar(cons, *s, 1);
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s++;
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}
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}
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void cons_putnstr(struct Console *cons, char *s, int n) {
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for (int i = 0; i < n; i++) {
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cons_putchar(cons, s[i], 1);
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}
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}
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void cons_run_cmd(char *cmdline, struct Console *cons, int *fat,
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unsigned int memtotal) {
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if (!strcmp(cmdline, "mem") && cons->sheet) {
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cmd_mem(cons, memtotal);
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} else if (!strcmp(cmdline, "cls") && cons->sheet) {
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cmd_cls(cons);
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} else if (!strcmp(cmdline, "dir") && cons->sheet) {
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cmd_dir(cons);
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} else if (!strncmp(cmdline, "type ", 5) && cons->sheet) {
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cmd_type(cons, fat, cmdline);
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} else if (!strcmp(cmdline, "exit")) {
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cmd_exit(cons, fat);
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} else if (!strncmp(cmdline, "start ", 6)) {
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cmd_start(cons, cmdline, memtotal);
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} else if (!strncmp(cmdline, "ncst ", 5)) {
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cmd_ncst(cons, cmdline, memtotal);
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} else if (strcmp(cmdline, "")) {
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if (!cmd_app(cons, fat, cmdline)) {
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cons_putstr(cons, "Bad command.\n\n");
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}
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}
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}
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struct Task *open_cons_task(struct Sheet *sht, unsigned int memtotal) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct Task *task = task_alloc();
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int *cons_fifo = (int *)memman_alloc_4k(memman, 128 * 4);
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task->cons_stack = memman_alloc(memman, 64 * 1024);
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task->tss.esp = task->cons_stack + 64 * 1024 - 12;
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task->tss.eip = (int)&console_task;
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task->tss.es = 1 * 8;
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task->tss.cs = 2 * 8;
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task->tss.ss = 1 * 8;
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task->tss.ds = 1 * 8;
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task->tss.fs = 1 * 8;
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task->tss.gs = 1 * 8;
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*((int *)(task->tss.esp + 4)) = (int)sht;
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*((int *)(task->tss.esp + 8)) = memtotal;
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task_run(task, 2, 2);
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fifo32_init(&task->fifo, 128, cons_fifo, task);
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return task;
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}
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struct Sheet *open_console(struct Shtctl *shtctl, unsigned int memtotal) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct Sheet *sht = sheet_alloc(shtctl);
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unsigned char *buf = (unsigned char *)memman_alloc_4k(memman, 256 * 165);
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sheet_setbuf(sht, buf, 256, 165, -1);
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make_window8(buf, 256, 165, "console", 0);
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make_textbox8(sht, 8, 28, 240, 128, COL8_000000);
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sht->task = open_cons_task(sht, memtotal);
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sht->flags |= 0x20;
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return sht;
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}
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void close_cons_task(struct Task *task) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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task_sleep(task);
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memman_free_4k(memman, task->cons_stack, 64 * 1024);
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memman_free_4k(memman, (int)task->fifo.buf, 128 * 4);
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task->flags = 0;
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}
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void close_console(struct Sheet *sht) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct Task *task = (struct Task *)sht->task;
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memman_free_4k(memman, (int)sht->buf, 256 * 165);
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sheet_free(sht);
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close_cons_task(task);
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}
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