mirror of
https://github.com/yourtion/30dayMakeOS.git
synced 2026-02-02 17:49:01 +08:00
279 lines
8.5 KiB
C
279 lines
8.5 KiB
C
/* 命令行窗口相关 */
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#include "bootpack.h"
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#include <stdio.h>
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#include <string.h>
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void console_task(struct SHEET *sheet, unsigned int memtotal)
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{
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struct TIMER *timer;
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struct TASK *task = task_now();
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int i, fifobuf[128], cursor_x = 16, cursor_y = 28, cursor_c = -1;
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char s[30], cmdline[30], *p;
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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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int x, y;
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struct FILEINFO *finfo = (struct FILEINFO *) (ADR_DISKIMG + 0x002600);
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int *fat = (int *) memman_alloc_4k(memman, 4 * 2880);
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struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
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fifo32_init(&task->fifo, 128, fifobuf, task);
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timer = timer_alloc();
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timer_init(timer, &task->fifo, 1);
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timer_settime(timer, 50);
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file_readfat(fat, (unsigned char *) (ADR_DISKIMG + 0x000200));
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/*显示提示符*/
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putfonts8_asc_sht(sheet, 8, 28, COL8_FFFFFF, COL8_000000, ">", 1);
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for (;;) {
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io_cli();
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if (fifo32_status(&task->fifo) == 0) {
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task_sleep(task);
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io_sti();
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} else {
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i = fifo32_get(&task->fifo);
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io_sti();
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if (i <= 1) { /*光标用定时器*/
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if (i != 0) {
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timer_init(timer, &task->fifo, 0); /*下次置0 */
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if (cursor_c >= 0) {
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cursor_c = COL8_FFFFFF;
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}
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} else {
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timer_init(timer, &task->fifo, 1); /*下次置1 */
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if (cursor_c >= 0) {
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cursor_c = COL8_000000;
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}
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}
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timer_settime(timer, 50);
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}
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if (i == 2) { /*光标ON */
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cursor_c = COL8_FFFFFF;
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}
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if (i == 3) { /*光标OFF */
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boxfill8(sheet->buf, sheet->bxsize, COL8_000000, cursor_x, cursor_y, cursor_x + 7, cursor_y + 15);
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cursor_c = -1;
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}
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if (256 <= i && i <= 511) { /*键盘数据（通过任务A） */
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if (i == 8 + 256) {
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/*退格键*/
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if (cursor_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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putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF, COL8_000000, " ", 1);
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cursor_x -= 8;
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}
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} else if (i == 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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putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF, COL8_000000, " ", 1);
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cmdline[cursor_x / 8 - 2] = 0;
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cursor_y = cons_newline(cursor_y, sheet);
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/*执行命令*/
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if (strcmp(cmdline, "mem") == 0) {
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/* mem命令*/
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sprintf(s, "total %dMB", memtotal / (1024 * 1024));
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, s, 30);
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cursor_y = cons_newline(cursor_y, sheet);
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sprintf(s, "free %dKB", memman_total(memman) / 1024);
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, s, 30);
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cursor_y = cons_newline(cursor_y, sheet);
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cursor_y = cons_newline(cursor_y, sheet);
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} else if (strcmp(cmdline, "cls") == 0) {
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/* cls命令*/
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for (y = 28; y < 28 + 128; y++) {
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for (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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cursor_y = 28;
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} else if (strcmp(cmdline, "dir") == 0 || strcmp(cmdline, "ls") == 0) {
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/* dir命令 */
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for (x = 0; x < 224; x++) {
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if (finfo[x].name[0] == 0x00) {
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break;
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}
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if (finfo[x].name[0] != 0xe5) {
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if ((finfo[x].type & 0x18) == 0) {
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sprintf(s, "filename.ext %7d", finfo[x].size);
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for (y = 0; y < 8; y++) {
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s[y] = finfo[x].name[y];
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}
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s[ 9] = finfo[x].ext[0];
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s[10] = finfo[x].ext[1];
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s[11] = finfo[x].ext[2];
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, s, 30);
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cursor_y = cons_newline(cursor_y, sheet);
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}
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}
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}
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cursor_y = cons_newline(cursor_y, sheet);
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} else if (strncmp(cmdline, "type ", 5) == 0 ) {
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/* type命令*/
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/*准备文件名*/
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for (y = 0; y < 11; y++) {
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s[y] = ' ';
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}
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y = 0;
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for (x = 5; y < 11 && cmdline[x] != 0; x++) {
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if (cmdline[x] == '.' && y <= 8) {
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y = 8;
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} else {
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s[y] = cmdline[x];
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if ('a' <= s[y] && s[y] <= 'z') {
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/*将小写字母转换成大写字母 */
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s[y] -= 0x20;
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}
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y++;
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}
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}
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/*寻找文件*/
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for (x = 0; x < 224; ) {
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if (finfo[x].name[0] == 0x00) {
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break;
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}
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if ((finfo[x].type & 0x18) == 0) {
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for (y = 0; y < 11; y++) {
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if (finfo[x].name[y] != s[y]) {
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goto type_next_file;
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}
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}
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break; /*找到文件*/
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}
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type_next_file:
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x++;
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}
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if (x < 224 && finfo[x].name[0] != 0x00) {
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/*找到文件的情况*/
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y = finfo[x].size;
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p = (char *) memman_alloc_4k(memman, finfo[x].size);
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file_loadfile(finfo[x].clustno, finfo[x].size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
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cursor_x = 8;
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for (y = 0; y < finfo[x].size; y++) {
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/*逐字输出*/
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s[0] = p[y];
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s[1] = 0;
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if (s[0] == 0x09) { /*制表符*/
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for (;;) {
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putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF, COL8_000000, " ", 1);
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cursor_x += 8;
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if (cursor_x == 8 + 240) {
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cursor_x = 8;
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cursor_y = cons_newline(cursor_y, sheet);
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}
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if (((cursor_x - 8) & 0x1f) == 0) {
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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] == 0x0a) { /*换行*/
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cursor_x = 8;
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cursor_y = cons_newline(cursor_y, sheet);
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} else if (s[0] == 0x0d) { /*回车*/
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/*这里暂且不进行任何操作*/
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} else { /*一般字符*/
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putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF, COL8_000000, s, 1);
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cursor_x += 8;
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if (cursor_x == 8 + 240) {
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cursor_x = 8;
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cursor_y = cons_newline(cursor_y, sheet);
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}
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}
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}
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memman_free_4k(memman, (int) p, finfo[x].size);
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} else {
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/*没有找到文件的情况*/
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "File not found.", 15);
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cursor_y = cons_newline(cursor_y, sheet);
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}
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cursor_y = cons_newline(cursor_y, sheet);
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} else if (strcmp(cmdline, "hlt") == 0) {
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/*启动应用程序hlt.hrb */
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for (y = 0; y < 11; y++) {
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s[y] = ' ';
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}
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s[0] = 'H';
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s[1] = 'L';
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s[2] = 'T';
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s[8] = 'H';
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s[9] = 'R';
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s[10] = 'B';
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for (x = 0; x < 224; ) {
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if (finfo[x].name[0] == 0x00) {
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break;
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}
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if ((finfo[x].type & 0x18) == 0) {
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for (y = 0; y < 11; y++) {
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if (finfo[x].name[y] != s[y]) {
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goto hlt_next_file;
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}
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}
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break; /*找到文件*/
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}
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hlt_next_file:
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x++;
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}
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if (x < 224 && finfo[x].name[0] != 0x00) {
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/*找到文件的情况*/
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p = (char *) memman_alloc_4k(memman, finfo[x].size);
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file_loadfile(finfo[x].clustno, finfo[x].size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
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set_segmdesc(gdt + 1003, finfo[x].size - 1, (int) p, AR_CODE32_ER);
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farjmp(0, 1003 * 8);
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memman_free_4k(memman, (int) p, finfo[x].size);
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} else {
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/*没有找到文件的情况*/
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "File not found.", 15);
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cursor_y = cons_newline(cursor_y, sheet);
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}
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cursor_y = cons_newline(cursor_y, sheet);
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} else if (cmdline[0] != 0) {
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/*不是命令，也不是空行 */
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "Bad command.", 12);
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cursor_y = cons_newline(cursor_y, sheet);
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cursor_y = cons_newline(cursor_y, sheet);
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}
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/*显示提示符*/
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putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, ">", 1);
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cursor_x = 16;
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} else {
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/*一般字符*/
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if (cursor_x < 240) {
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/*显示一个字符之后将光标后移一位 */
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s[0] = i - 256;
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s[1] = 0;
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cmdline[cursor_x / 8 - 2] = i - 256;
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putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF, COL8_000000, s, 1);
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cursor_x += 8;
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}
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}
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}
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/*重新显示光标*/
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if (cursor_c >= 0) {
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boxfill8(sheet->buf, sheet->bxsize, cursor_c, cursor_x, cursor_y, cursor_x + 7, cursor_y + 15);
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}
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sheet_refresh(sheet, cursor_x, cursor_y, cursor_x + 8, cursor_y + 16);
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}
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}
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}
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int cons_newline(int cursor_y, struct SHEET *sheet)
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{
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int x, y;
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if (cursor_y < 28 + 112) {
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cursor_y += 16; /*换行*/
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} else {
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/*滚动*/
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for (y = 28; y < 28 + 112; y++) {
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for (x = 8; x < 8 + 240; x++) {
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sheet->buf[x + y * sheet->bxsize] = sheet->buf[x + (y + 16) * sheet->bxsize];
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}
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}
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for (y = 28 + 112; y < 28 + 128; y++) {
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for (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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return cursor_y;
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}
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