132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
#include <stdio.h>
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#include "app.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 "fs.h"
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#include "graphic.h"
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#include "memory.h"
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#include "sheet.h"
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#include "task.h"
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void cmd_mem(struct Console *cons, unsigned int memtotal) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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char s[30];
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sprintf(s, "total %dMB\nfree %dKB\n\n", memtotal / (1024 * 1024),
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memman_total(memman) / 1024);
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cons_putstr(cons, s);
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}
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void cmd_cls(struct Console *cons) {
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struct Sheet *sheet = cons->sheet;
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for (int y = 28; 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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cons->cur_y = 28;
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}
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void cmd_dir(struct Console *cons) {
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struct FileInfo *finfo = (struct FileInfo *)(ADR_DISKIMG + 0x002600);
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char s[30];
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for (int i = 0; i < 224; i++) {
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if (finfo[i].name[0] == '\0') {
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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)) {
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sprintf(s, "filename.ext %7d\n", finfo[i].size);
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for (int 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_putstr(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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}
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void cmd_type(struct Console *cons, int *fat, char *cmdline) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct FileInfo *finfo = file_search(
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cmdline + 5, (struct FileInfo *)(ADR_DISKIMG + 0x002600), 224);
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char *p;
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if (finfo) {
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p = (char *)memman_alloc_4k(memman, finfo->size);
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file_load_file(finfo->clustno, finfo->size, p, fat,
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(char *)(ADR_DISKIMG + 0x003e00));
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cons_putnstr(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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cons_putstr(cons, "File not found.\n");
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}
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cons_newline(cons);
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}
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int cmd_app(struct Console *cons, int *fat, char *cmdline) {
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struct MemMan *memman = (struct MemMan *)MEMMAN_ADDR;
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struct FileInfo *finfo;
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struct SegmentDescriptor *gdt = (struct SegmentDescriptor *)ADR_GDT;
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struct Task *task = task_now();
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char name[18];
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int i;
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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';
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finfo = file_search(name, (struct FileInfo *)(ADR_DISKIMG + 0x002600), 224);
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if (finfo == NULL && name[i - 1] != '.') {
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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) {
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char *p = (char *)memman_alloc_4k(memman, finfo->size);
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char *q = (char *)memman_alloc_4k(memman, 64 * 1024);
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*((int *)0x0fe8) = (int)p;
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file_load_file(finfo->clustno, finfo->size, p, fat,
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(char *)(ADR_DISKIMG + 0x003e00));
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set_segmdesc(gdt + 1003, finfo->size - 1, (int)p, AR_CODE32_ER + 0x60);
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set_segmdesc(gdt + 1004, 64 * 1024 - 1, (int)q, AR_DATA32_RW + 0x60);
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start_app(0, 1003 * 8, 64 * 1024, 1004 * 8, &(task->tss.esp0));
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memman_free_4k(memman, (int)p, finfo->size + 6);
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memman_free_4k(memman, (int)q, 64 * 1024);
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cons_newline(cons);
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return 1;
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}
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return 0;
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}
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