mirror of
https://github.com/yourtion/30dayMakeOS.git
synced 2026-02-02 17:49:01 +08:00
310 lines
7.9 KiB
C
310 lines
7.9 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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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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int i, fifobuf[128], *fat = (int *) memman_alloc_4k(memman, 4 * 2880);
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struct CONSOLE cons;
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char cmdline[30];
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cons.sht = 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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*((int *) 0x0fec) = (int) &cons;
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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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cons_putchar(&cons, '>', 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 (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(timer, &task->fifo, 1); /*下次置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_settime(timer, 50);
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}
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if (i == 2) { /*光标ON */
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cons.cur_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, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
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cons.cur_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 (cons.cur_x > 16) {
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/*用空格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 (i == 10 + 256) {
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/*回车键*/
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/*将光标用空格擦除后换行 */
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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_runcmd(cmdline, &cons, fat, memtotal); /*运行命令*/
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/*显示提示符*/
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cons_putchar(&cons, '>', 1);
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} else {
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/*一般字符*/
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if (cons.cur_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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cmdline[cons.cur_x / 8 - 2] = i - 256;
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cons_putchar(&cons, i - 256, 1);
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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 (cons.cur_c >= 0) {
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boxfill8(sheet->buf, sheet->bxsize, cons.cur_c, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
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}
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sheet_refresh(sheet, cons.cur_x, cons.cur_y, cons.cur_x + 8, cons.cur_y + 16);
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}
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}
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}
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void cons_putchar(struct CONSOLE *cons, int chr, char move)
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{
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char s[2];
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s[0] = chr;
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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(cons->sht, cons->cur_x, cons->cur_y, COL8_FFFFFF, COL8_000000, " ", 1);
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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) == 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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cons_newline(cons);
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} else if (s[0] == 0x0d) { /*回车*/
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/*先不做任何操作*/
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} else { /*一般字符*/
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putfonts8_asc_sht(cons->sht, cons->cur_x, cons->cur_y, COL8_FFFFFF, COL8_000000, s, 1);
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if (move != 0) {
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/* move为0时光标不后移*/
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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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return;
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}
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void cons_newline(struct CONSOLE *cons)
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{
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int x, y;
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struct SHEET *sheet = cons->sht;
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if (cons->cur_y < 28 + 112) {
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cons->cur_y += 16; /*到下一行*/
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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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cons->cur_x = 8;
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return;
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}
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void cons_putstr0(struct CONSOLE *cons, char *s)
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{
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for (; *s != 0; s++) {
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cons_putchar(cons, *s, 1);
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}
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return;
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}
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void cons_putstr1(struct CONSOLE *cons, char *s, int l)
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{
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int i;
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for (i = 0; i < l; i++) {
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cons_putchar(cons, s[i], 1);
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}
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return;
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}
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void cons_runcmd(char *cmdline, struct CONSOLE *cons, int *fat, unsigned int memtotal)
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{
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if (strcmp(cmdline, "mem") == 0) {
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cmd_mem(cons, memtotal);
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} else if (strcmp(cmdline, "cls") == 0) {
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cmd_cls(cons);
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} else if (strcmp(cmdline, "dir") == 0 || strcmp(cmdline, "ls") == 0) {
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cmd_dir(cons);
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} else if (strncmp(cmdline, "type ", 5) == 0) {
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cmd_type(cons, fat, cmdline);
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} else if (cmdline[0] != 0) {
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if (cmd_app(cons, fat, cmdline) == 0) {
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/*不是命令，不是应用程序，也不是空行*/
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cons_putstr0(cons, "Bad command.\n\n");
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}
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}
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return;
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}
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void cmd_mem(struct CONSOLE *cons, unsigned int memtotal)
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{
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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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char s[60];
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sprintf(s, "total %dMB\nfree %dKB\n\n", memtotal / (1024 * 1024), memman_total(memman) / 1024);
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cons_putstr0(cons, s);
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return;
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}
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void cmd_cls(struct CONSOLE *cons)
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{
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int x, y;
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struct SHEET *sheet = cons->sht;
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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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cons->cur_y = 28;
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return;
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}
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void cmd_dir(struct CONSOLE *cons)
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{
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struct FILEINFO *finfo = (struct FILEINFO *) (ADR_DISKIMG + 0x002600);
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int i, j;
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char s[30];
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for (i = 0; i < 224; i++) {
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if (finfo[i].name[0] == 0x00) {
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break;
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}
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if (finfo[i].name[0] != 0xe5) {
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if ((finfo[i].type & 0x18) == 0) {
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sprintf(s, "filename.ext %7d\n", finfo[i].size);
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for (j = 0; j < 8; j++) {
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s[j] = finfo[i].name[j];
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}
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s[ 9] = finfo[i].ext[0];
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s[10] = finfo[i].ext[1];
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s[11] = finfo[i].ext[2];
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cons_putstr0(cons, s);
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}
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}
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}
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cons_newline(cons);
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return;
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}
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void cmd_type(struct CONSOLE *cons, int *fat, char *cmdline)
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{
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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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struct FILEINFO *finfo = file_search(cmdline + 5, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
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char *p;
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int i;
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if (finfo != 0) {
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/*找到文件的情况*/
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p = (char *) memman_alloc_4k(memman, finfo->size);
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file_loadfile(finfo->clustno, finfo->size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
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cons_putstr1(cons, p, finfo->size);
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memman_free_4k(memman, (int) p, finfo->size);
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} else {
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/*没有找到文件的情况*/
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cons_putstr0(cons, "File not found.\n");
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}
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cons_newline(cons);
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return;
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}
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int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
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{
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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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struct FILEINFO *finfo;
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struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
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char name[18], *p;
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int i;
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/*根据命令行生成文件名*/
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for (i = 0; i < 13; i++) {
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if (cmdline[i] <= ' ') {
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break;
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}
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name[i] = cmdline[i];
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}
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name[i] = 0; /*暂且将文件名的后面置为0*/
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/*寻找文件 */
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finfo = file_search(name, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
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if (finfo == 0 && name[i -1]!= '.') {
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/*由于找不到文件，故在文件名后面加上“.hrb”后重新寻找*/
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name[i ] = '.';
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name[i + 1] = 'H';
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name[i + 2] = 'R';
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name[i + 3] = 'B';
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name[i + 4] = 0;
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finfo = file_search(name, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
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}
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if (finfo != 0) {
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/*找到文件的情况*/
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p = (char *) memman_alloc_4k(memman, finfo->size);
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file_loadfile(finfo->clustno, finfo->size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
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set_segmdesc(gdt + 1003, finfo->size - 1, (int) p, AR_CODE32_ER);
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farcall(0, 1003 * 8);
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memman_free_4k(memman, (int) p, finfo->size);
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cons_newline(cons);
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return 1;
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}
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/*没有找到文件的情况*/
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return 0;
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}
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void hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int eax)
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{
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struct CONSOLE *cons = (struct CONSOLE *) *((int *) 0x0fec);
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if (edx == 1) {
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cons_putchar(cons, eax & 0xff, 1);
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} else if (edx == 2) {
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cons_putstr0(cons, (char *) ebx);
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} else if (edx == 3) {
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cons_putstr1(cons, (char *) ebx, ecx);
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}
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return;
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}
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