92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
#include "types.h"
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#include "screenstuff.h"
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#include "io.h"
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#include "idt.h"
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#include "keyboard.h"
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#include "strings.h"
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#include "atapio.h"
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#include "gdt.h"
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#include "paging.h"
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#include "allocate.h"
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#include "memory.h"
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int main() {
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init_gdt();
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PageDirectory kernel_pd = PageDirectory(0xc0100000, 0x120000, 0xbffe0000);
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kernel_pd.select();
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kernel_pd.map(0x0, 0x400000);
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//kernel_pd.unmap(0x8000);
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init_idt();
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init_term();
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printf("Hello, World!\n\nWe are running XnoeOS Code in C now, Protected Mode has been achieved (as well as Virtual Memory / Paging!!!) and everything is working super nicely!\n\nHow wonderful!\n\nNow I just need to hope my print function works properly too~~\n");
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printf("KERNEL OK!\n");
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init_keyboard();
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enable_idt();
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init_atapio();
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uint8_t sector[512];
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read_sector(0, sector);
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uint8_t* filebuffer = (uint8_t*)dumb_alloc(0x3000);
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while (1) {
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printf(">>> ");
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char buffer[128];
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for (int i=0; i<128; i++)
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buffer[i] = 0;
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readline(128, buffer);
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char* rest = split_on_first(' ', buffer);
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if (strcmp(buffer, "help", 4)) {
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printf(
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"XnoeOS 32 Bit Mode Help.\n"
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"------------------------\n"
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" - help\n"
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" : Shows this message\n"
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" - clear\n"
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" : Clears the screen\n"
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" - echo\n"
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" : Repeats the text written afterwards\n"
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" - type\n"
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" : Prints the contents of a file\n"
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);
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} else if (strcmp(buffer, "clear", 5)) {
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clear_screen();
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set_curpos(0, 0);
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} else if (strcmp(buffer, "echo", 4)) {
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printf("%s\n", rest);
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} else if (strcmp(buffer, "type", 4)) {
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char filenamebuffer[12];
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decode_filename(rest, filenamebuffer);
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if (!file_exists(filenamebuffer)) {
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printf("File %s not found!\n", filenamebuffer);
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continue;
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}
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for (int i=0; i<4096; i++)
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filebuffer[i] = 0;
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load_file(filenamebuffer, filebuffer);
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printf(filebuffer);
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} else if (strcmp(buffer, "pagefault", 9)) {
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uint32_t* bad_addr = 0xdeadbeef;
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uint32_t a = *bad_addr;
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} else {
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char filenamebuffer[12];
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decode_filename(buffer, filenamebuffer);
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if (!file_exists(filenamebuffer)) {
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printf("Bad Command or filename!\n");
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continue;
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}
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}
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}
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} |