61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
#include "progs.h"
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#include "file.h"
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extern char _USERMODE, _USERMODE_END;
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extern uint32_t create_user_child(uint32_t esp, uint32_t eip, uint32_t argc, ...);
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void ProgramLoadTest(char *path, dirent *de) {
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uint16_t *vga_text = (uint16_t *)0xb8000;
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for (int i = 0; i < 80*25; i++)
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vga_text[i] = 0x0f00;
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uint32_t successcount;
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uint8_t *diskReadBuf = (uint8_t *)&_USERMODE;
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{
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uint32_t err;
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uint8_t *scratch = (uint8_t *)0x20000;
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FILE file;
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err = file_open(&file, path, OPENREAD);
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if (err) {
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vga_text += printStr("Open Error: ", vga_text);
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printDword(err, vga_text);
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return;
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}
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if (de->size > 0x300000) {
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vga_text += printStr("File too large.", vga_text);
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kbd_wait();
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return;
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}
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err = file_seek(&file, 0);
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if (err) {
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vga_text += printStr("Seek Error", vga_text);
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return;
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}
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err = file_read(&file, diskReadBuf, de->size);
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if (!err && de->size > 0) {
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vga_text += printStr("Read Error", vga_text);
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printDword(err, vga_text);
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return;
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}
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}
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vga_text += printStr("Successfully loaded program \"", vga_text);
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vga_text += printStr((char*)path, vga_text);
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vga_text += printStr("\", ", vga_text);
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vga_text += printDec(successcount, vga_text);
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vga_text += printStr(" Bytes.", vga_text);
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vga_text = nextLine(vga_text,(uint16_t*)0xb8000);
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vga_text += printStr("Press any key to run.", vga_text);
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kbd_wait();
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uint32_t res = create_user_child((uintptr_t)&_USERMODE_END, (uintptr_t)&_USERMODE, 0);
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union V86Regs_t regs;
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regs.w.ax = 3; // text mode
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V8086Int(0x10, ®s);
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vga_text = (uint16_t *)0xb8000;
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for (int i = 0; i < 80*25; i++)
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vga_text[i] = 0x0f00;
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vga_text += printStr("Program returned code: ", vga_text);
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vga_text += printDec(res, vga_text);
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vga_text += printStr(" (0x", vga_text);
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vga_text += printDword(res, vga_text);
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vga_text += printStr("). Press any key to exit.", vga_text);
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kbd_wait();
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}
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