mirror of
https://github.com/yourtion/30dayMakeOS.git
synced 2026-02-03 01:53:24 +08:00
535 lines
14 KiB
C
535 lines
14 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, int memtotal)
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{
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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, *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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task->cons = &cons;
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cons.timer = timer_alloc();
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timer_init(cons.timer, &task->fifo, 1);
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timer_settime(cons.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(cons.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(cons.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(cons.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, 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 (strcmp(cmdline, "exit") == 0) {
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cmd_exit(cons, fat);
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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, 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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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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void cmd_exit(struct CONSOLE *cons, int *fat)
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{
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struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
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struct TASK *task = task_now();
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struct SHTCTL *shtctl = (struct SHTCTL *) *((int *) 0x0fe4);
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struct FIFO32 *fifo = (struct FIFO32 *) *((int *) 0x0fec);
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timer_cancel(cons->timer);
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memman_free_4k(memman, (int) fat, 4 * 2880);
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io_cli();
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fifo32_put(fifo, cons->sht - shtctl->sheets0 + 768); /* 768〜1023 */
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io_sti();
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for (;;) {
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task_sleep(task);
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}
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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, *q;
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struct TASK *task = task_now();
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int i, segsiz, datsiz, esp, dathrb;
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struct SHTCTL *shtctl;
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struct SHEET *sht;
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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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if (finfo->size >= 36 && strncmp(p + 4, "Hari", 4) == 0 && *p == 0x00) {
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segsiz = *((int *) (p + 0x0000));
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esp = *((int *) (p + 0x000c));
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datsiz = *((int *) (p + 0x0010));
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dathrb = *((int *) (p + 0x0014));
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q = (char *) memman_alloc_4k(memman, segsiz);
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task->ds_base = (int) q;
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set_segmdesc(gdt + task->sel / 8 + 1000, finfo->size - 1, (int) p, AR_CODE32_ER + 0x60);
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set_segmdesc(gdt + task->sel / 8 + 2000, segsiz - 1, (int) q, AR_DATA32_RW + 0x60);
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for (i = 0; i < datsiz; i++) {
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q[esp + i] = p[dathrb + i];
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}
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start_app(0x1b, task->sel + 1000 * 8, esp, task->sel + 2000 * 8, &(task->tss.esp0));
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shtctl = (struct SHTCTL *) *((int *) 0x0fe4);
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for (i = 0; i < MAX_SHEETS; i++) {
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sht = &(shtctl->sheets0[i]);
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if ((sht->flags & 0x11) == 0x11 && sht->task == task) {
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/*找到被应用程序遗留的窗口*/
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sheet_free(sht); /*关闭*/
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}
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}
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timer_cancelall(&task->fifo);
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memman_free_4k(memman, (int) q, segsiz);
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} else {
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cons_putstr0(cons, ".hrb file format error.\n");
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}
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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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int *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 TASK *task = task_now();
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int ds_base = task->ds_base;
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struct CONSOLE *cons = task->cons;
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struct SHTCTL *shtctl = (struct SHTCTL *) *((int *) 0x0fe4);
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struct SHEET *sht;
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int *reg = &eax + 1; /* eax后面的地址*/
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/*强行改写通过PUSHAD保存的值*/
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/* reg[0] : EDI, reg[1] : ESI, reg[2] : EBP, reg[3] : ESP */
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/* reg[4] : EBX, reg[5] : EDX, reg[6] : ECX, reg[7] : EAX */
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int i;
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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 + ds_base);
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} else if (edx == 3) {
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cons_putstr1(cons, (char *) ebx + ds_base, ecx);
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} else if (edx == 4) {
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return &(task->tss.esp0);
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} else if (edx == 5) {
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sht = sheet_alloc(shtctl);
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sht->task = task;
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sht->flags |= 0x10;
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sheet_setbuf(sht, (char *) ebx + ds_base, esi, edi, eax);
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make_window8((char *) ebx + ds_base, esi, edi, (char *) ecx + ds_base, 0);
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sheet_slide(sht, ((shtctl->xsize - esi) / 2) & ~3, (shtctl->ysize - edi) / 2);
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sheet_updown(sht, shtctl->top); /*将窗口图层高度指定为当前鼠标所在图层的高度，鼠标移到上层*/
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reg[7] = (int) sht;
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} else if (edx == 6) {
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sht = (struct SHEET *) (ebx & 0xfffffffe);
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putfonts8_asc(sht->buf, sht->bxsize, esi, edi, eax, (char *) ebp + ds_base);
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if ((ebx & 1) == 0) {
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sheet_refresh(sht, esi, edi, esi + ecx * 8, edi + 16);
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}
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} else if (edx == 7) {
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sht = (struct SHEET *) (ebx & 0xfffffffe);
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boxfill8(sht->buf, sht->bxsize, ebp, eax, ecx, esi, edi);
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if ((ebx & 1) == 0) {
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sheet_refresh(sht, eax, ecx, esi + 1, edi + 1);
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}
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} else if (edx == 8) {
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memman_init((struct MEMMAN *) (ebx + ds_base));
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ecx &= 0xfffffff0; /*以16字节为单位*/
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memman_free((struct MEMMAN *) (ebx + ds_base), eax, ecx);
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} else if (edx == 9) {
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ecx = (ecx + 0x0f) & 0xfffffff0; /*以16字节为单位进位取整*/
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reg[7] = memman_alloc((struct MEMMAN *) (ebx + ds_base), ecx);
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} else if (edx == 10) {
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ecx = (ecx + 0x0f) & 0xfffffff0; /*以16字节为单位进位取整*/
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memman_free((struct MEMMAN *) (ebx + ds_base), eax, ecx);
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} else if (edx == 11) {
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sht = (struct SHEET *) (ebx & 0xfffffffe);
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sht->buf[sht->bxsize * edi + esi] = eax;
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if ((ebx & 1) == 0) {
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sheet_refresh(sht, esi, edi, esi + 1, edi + 1);
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}
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} else if (edx == 12) {
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sht = (struct SHEET *) ebx;
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sheet_refresh(sht, eax, ecx, esi, edi);
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} else if (edx == 13) {
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sht = (struct SHEET *) (ebx & 0xfffffffe);
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hrb_api_linewin(sht, eax, ecx, esi, edi, ebp);
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if ((ebx & 1) == 0) {
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sheet_refresh(sht, eax, ecx, esi + 1, edi + 1);
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}
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} else if (edx == 14) {
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sheet_free((struct SHEET *) ebx);
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} else if (edx == 15) {
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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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if (eax != 0) {
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task_sleep(task); /* FIFO为空，休眠并等待*/
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} else {
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io_sti();
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reg[7] = -1;
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return 0;
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}
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}
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i = fifo32_get(&task->fifo);
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io_sti();
|
||
if (i <= 1) { /*光标用定时器*/
|
||
/*应用程序运行时不需要显示光标，因此总是将下次显示用的值置为1*/
|
||
timer_init(cons->timer, &task->fifo, 1); /*下次置为1*/
|
||
timer_settime(cons->timer, 50);
|
||
}
|
||
if (i == 2) { /*光标ON */
|
||
cons->cur_c = COL8_FFFFFF;
|
||
}
|
||
if (i == 3) { /*光标OFF */
|
||
cons->cur_c = -1;
|
||
}
|
||
if (i >= 256) { /*键盘数据（通过任务A）等*/
|
||
reg[7] = i - 256;
|
||
return 0;
|
||
}
|
||
}
|
||
} else if (edx == 16) {
|
||
reg[7] = (int) timer_alloc();
|
||
((struct TIMER *) reg[7])->flags2 = 1; /*允许自动取消*/
|
||
} else if (edx == 17) {
|
||
timer_init((struct TIMER *) ebx, &task->fifo, eax + 256);
|
||
} else if (edx == 18) {
|
||
timer_settime((struct TIMER *) ebx, eax);
|
||
} else if (edx == 19) {
|
||
timer_free((struct TIMER *) ebx);
|
||
} else if (edx == 20) {
|
||
if (eax == 0) {
|
||
i = io_in8(0x61);
|
||
io_out8(0x61, i & 0x0d);
|
||
} else {
|
||
i = 1193180000 / eax;
|
||
io_out8(0x43, 0xb6);
|
||
io_out8(0x42, i & 0xff);
|
||
io_out8(0x42, i >> 8);
|
||
i = io_in8(0x61);
|
||
io_out8(0x61, (i | 0x03) & 0x0f);
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
int *inthandler0c(int *esp)
|
||
{
|
||
struct TASK *task = task_now();
|
||
struct CONSOLE *cons = task->cons;
|
||
char s[30];
|
||
cons_putstr0(cons, "\nINT 0C :\n Stack Exception.\n");
|
||
sprintf(s, "EIP = %08X\n", esp[11]);
|
||
cons_putstr0(cons, s);
|
||
return &(task->tss.esp0); /*强制结束程序*/
|
||
}
|
||
|
||
int *inthandler0d(int *esp)
|
||
{
|
||
struct TASK *task = task_now();
|
||
struct CONSOLE *cons = task->cons;
|
||
char s[30];
|
||
cons_putstr0(cons, "\nINT 0D :\n General Protected Exception.\n");
|
||
sprintf(s, "EIP = %08X\n", esp[11]);
|
||
cons_putstr0(cons, s);
|
||
return &(task->tss.esp0); /*强制结束程序*/
|
||
}
|
||
|
||
void hrb_api_linewin(struct SHEET *sht, int x0, int y0, int x1, int y1, int col)
|
||
{
|
||
int i, x, y, len, dx, dy;
|
||
|
||
dx = x1 - x0;
|
||
dy = y1 - y0;
|
||
x = x0 << 10;
|
||
y = y0 << 10;
|
||
if (dx < 0) {
|
||
dx = - dx;
|
||
}
|
||
if (dy < 0) {
|
||
dy = - dy;
|
||
}
|
||
if (dx >= dy) {
|
||
len = dx + 1;
|
||
if (x0 > x1) {
|
||
dx = -1024;
|
||
} else {
|
||
dx = 1024;
|
||
}
|
||
if (y0 <= y1) {
|
||
dy = ((y1 - y0 + 1) << 10) / len;
|
||
} else {
|
||
dy = ((y1 - y0 - 1) << 10) / len;
|
||
}
|
||
} else {
|
||
len = dy + 1;
|
||
if (y0 > y1) {
|
||
dy = -1024;
|
||
} else {
|
||
dy = 1024;
|
||
}
|
||
if (x0 <= x1) {
|
||
dx = ((x1 - x0 + 1) << 10) / len;
|
||
} else {
|
||
dx = ((x1 - x0 - 1) << 10) / len;
|
||
}
|
||
}
|
||
|
||
for (i = 0; i < len; i++) {
|
||
sht->buf[(y >> 10) * sht->bxsize + (x >> 10)] = col;
|
||
x += dx;
|
||
y += dy;
|
||
}
|
||
|
||
return;
|
||
}
|