/* Check if MAGIC is valid and print the Multiboot information structure
pointed by ADDR. */
void
entry (unsigned long magic, unsigned long addr)
{
multiboot_info_t *mbi;
uint8_t* filesystem_address;
/* Clear the screen. */
clear();
/* Am I booted by a Multiboot-compliant boot loader? */
if (magic != MULTIBOOT_BOOTLOADER_MAGIC)
{
printf ("Invalid magic number: 0x%#x\n", (unsigned) magic);
return;
}
/* Set MBI to the address of the Multiboot information structure. */
mbi = (multiboot_info_t *) addr;
/* Print out the flags. */
printf ("flags = 0x%#x\n", (unsigned) mbi->flags);
/* Are mem_* valid? */
if (CHECK_FLAG (mbi->flags, 0))
printf ("mem_lower = %uKB, mem_upper = %uKB\n",
(unsigned) mbi->mem_lower, (unsigned) mbi->mem_upper);
/* Is boot_device valid? */
if (CHECK_FLAG (mbi->flags, 1))
printf ("boot_device = 0x%#x\n", (unsigned) mbi->boot_device);
/* Is the command line passed? */
if (CHECK_FLAG (mbi->flags, 2))
printf ("cmdline = %s\n", (char *) mbi->cmdline);
if (CHECK_FLAG (mbi->flags, 3)) {
int mod_count = 0;
int i;
module_t* mod = (module_t*)mbi->mods_addr;
while(mod_count < mbi->mods_count) {
filesystem_address = (uint8_t*)mod->mod_start;
printf("Module %d loaded at address: 0x%#x\n", mod_count, (unsigned int)mod->mod_start);
printf("Module %d ends at address: 0x%#x\n", mod_count, (unsigned int)mod->mod_end);
printf("First few bytes of module:\n");
for(i = 0; i<16; i++) {
printf("0x%x ", *((char*)(mod->mod_start+i)));
}
printf("\n");
mod_count++;
mod++;
}
}
/* Bits 4 and 5 are mutually exclusive! */
if (CHECK_FLAG (mbi->flags, 4) && CHECK_FLAG (mbi->flags, 5))
{
printf ("Both bits 4 and 5 are set.\n");
return;
}
/* Is the section header table of ELF valid? */
if (CHECK_FLAG (mbi->flags, 5))
{
elf_section_header_table_t *elf_sec = &(mbi->elf_sec);
printf ("elf_sec: num = %u, size = 0x%#x,"
" addr = 0x%#x, shndx = 0x%#x\n",
(unsigned) elf_sec->num, (unsigned) elf_sec->size,
(unsigned) elf_sec->addr, (unsigned) elf_sec->shndx);
}
/* Are mmap_* valid? */
if (CHECK_FLAG (mbi->flags, 6))
{
memory_map_t *mmap;
printf ("mmap_addr = 0x%#x, mmap_length = 0x%x\n",
(unsigned) mbi->mmap_addr, (unsigned) mbi->mmap_length);
for (mmap = (memory_map_t *) mbi->mmap_addr;
(unsigned long) mmap < mbi->mmap_addr + mbi->mmap_length;
mmap = (memory_map_t *) ((unsigned long) mmap
+ mmap->size + sizeof (mmap->size)))
printf (" size = 0x%x, base_addr = 0x%#x%#x\n"
" type = 0x%x, length = 0x%#x%#x\n",
(unsigned) mmap->size,
(unsigned) mmap->base_addr_high,
(unsigned) mmap->base_addr_low,
(unsigned) mmap->type,
(unsigned) mmap->length_high,
(unsigned) mmap->length_low);
}
/* Construct an LDT entry in the GDT */
{
seg_desc_t the_ldt_desc;
the_ldt_desc.granularity = 0;
the_ldt_desc.opsize = 1;
the_ldt_desc.reserved = 0;
the_ldt_desc.avail = 0;
the_ldt_desc.present = 1;
the_ldt_desc.dpl = 0x0;
the_ldt_desc.sys = 0;
the_ldt_desc.type = 0x2;
SET_LDT_PARAMS(the_ldt_desc, &ldt, ldt_size);
ldt_desc_ptr = the_ldt_desc;
lldt(KERNEL_LDT);
}
/* Construct a TSS entry in the GDT */
{
seg_desc_t the_tss_desc;
the_tss_desc.granularity = 0;
the_tss_desc.opsize = 0;
the_tss_desc.reserved = 0;
the_tss_desc.avail = 0;
the_tss_desc.seg_lim_19_16 = TSS_SIZE & 0x000F0000;
the_tss_desc.present = 1;
the_tss_desc.dpl = 0x0;
the_tss_desc.sys = 0;
the_tss_desc.type = 0x9;
the_tss_desc.seg_lim_15_00 = TSS_SIZE & 0x0000FFFF;
SET_TSS_PARAMS(the_tss_desc, &tss, tss_size);
tss_desc_ptr = the_tss_desc;
tss.ldt_segment_selector = KERNEL_LDT;
tss.ss0 = KERNEL_DS;
tss.esp0 = 0x800000;
ltr(KERNEL_TSS);
}
int z = 0;
reset_scr();
//set the IDT
set_idt();
lidt(idt_desc_ptr);
/* Init the PIC */
i8259_init();
/* Initialize devices, memory, filesystem, enable device interrupts on the
* PIC, any other initialization stuff... */
//init paging
init_paging();
//init filesystem
init_filesys(filesystem_address);
//init keyboard
init_keyboard();
//init the rtc
init_rtc();
//init the mouse
init_mouse();
//clear the screen
reset_scr();
// boot_screen();
for(z = 0; z < 3; z++)
{
terminal_init();
}
node* buffer = screens[0];
reset_buf(buffer);
//display the status bar
/* Enable interrupts */
sti();
/* Do not enable the following until after you have set up your
* IDT correctly otherwise QEMU will triple fault and simple close
* without showing you any output */
boot_screen();
//sample mario sound
for(z = 0; z < 500000; z++)
play_sound(1000);
for(z = 0; z < 500000; z++)
play_sound(100);
for(z = 0; z < 500000; z++)
play_sound(900);
for(z = 0; z < 50000; z++)
play_sound(200);
for(z = 0; z < 500000; z++)
play_sound(800);
for(z = 0; z < 500000; z++)
play_sound(300);
for(z = 0; z < 500000; z++)
play_sound(700);
for(z = 0; z < 500000; z++)
play_sound(400);
for(z = 0; z < 500000; z++)
play_sound(600);
for(z = 0; z < 500000; z++)
play_sound(500);
for(z = 0; z < 500000; z++)
play_sound(500);
for(z = 0; z < 500000; z++)
play_sound(1000);
for(z = 0; z < 500000; z++)
play_sound(400);
for(z = 0; z < 500000; z++)
play_sound(300);
for(z = 0; z < 500000; z++)
play_sound(300);
for(z = 0; z < 500000; z++)
play_sound(200);
//boot_screen();
nosound();
reset_scr();
//init PIT for sound, timer
init_pit(0, 100);
/////////////////////////////////////////////////////////////
// void imperial();
status_bar();
/* Execute the first program (`shell') ... */
uint8_t fname[33] = "shell";
execute(fname);
/* We should never get to this point */
//printf("Initial shell halted.");
/* Spin (nicely, so we don't chew up cycles) */
asm volatile(".1: hlt; jmp .1;");
}
int main(int argc, char **args)
{
init_win();
int i = 0,flag = 0, x = 0;
bug_msg_t *p = (bug_msg_t *)malloc(sizeof(bug_msg_t));
if(p == NULL) {
return -1;
}
user_msg_t *p_1 = (user_msg_t *)malloc(sizeof(user_msg_t));
if(p_1 == NULL) {
return -1;
}
head.next = &head;
head.prev = &head;
head_user.next = &head_user;
head_user.prev = &head_user;
overload_bugList();
joggle:
overload_userList();
i = boot_screen();
switch(i){
case 0:
create_frame();
create_msg_zone();
create_title_window("User Login");
x = user_login();
if(x == 1) {
show_message("No user\nPlease register");
sleep(2);
goto joggle;
}
if(x == 0) {
core:
flag = core_func();
switch(flag){
case 0:
p = &head;
if( Add_Bug() == 0) {
File_bugList(p);
goto core;
}else {
return 0;
}
case 1:
if(Selection_Show_Bug() == -1){
goto core;
}else {
p = &head;
File_bugList(p);
}
break;
default:
exit_win();
return 0;
}
}
break;
case 1:
create_frame();
create_msg_zone();
create_title_window("User Register");
if(User_register() == 0) {
p_1 = &head_user;
File_userList(p_1);
goto joggle;
break;
}
break;
default:
exit_win();
return 0;
}
exit_win();
return 0;
}
