void kernel_init(boot_info_t bootInfo) {
tty_init();
multiboot_init(bootInfo.multiboot_magic, bootInfo.multiboot_addr);
if(a20_enable()) {
serial_writestring(1, "A20 enable failed - triggering panic\n");
kernel_panic();
};
gdt_install();
idt_install();
irq_install();
_protected_mode_init();
paging_init();
_paging_enable();
PIC_init();
serial_init();
keyboard_init();
timer_init();
serial_writestring(1, "End kernel_init\n");
kernel_main();
};
void kernel_main(struct multiboot_info *mboot, int initial_stack)
{
long int mem = 0;
mboot_info = mboot;
start_video();
putstr("Init Descriptor Tables.................");
gdt_install();
idt_install();
putstr("[OK]\n");
putstr("Init ISRs..............................");
isr_install();
putstr("[OK]\n");
putstr("Init IRQs..............................");
irq_install();
__asm__ __volatile__ ("sti");
putstr("[OK]\n");
putstr("Init PIT...............................");
timer_install();
putstr("[OK]\n");
putstr("Amount of memory......................");
mem = mboot->mem_upper / 1024;
putnum(mem);
putstr("MB\n");
putstr("Init Memory............................");
init_memory_manager();
putstr("\n\n");
putstr("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tWelcome to Plex!");
for (;;);
}
void kernel_main() {
isr_install();
irq_install();
kprint("Type something, it will go through the kernel\n"
"Type END to halt the CPU\n> ");
}
void kmain(multiboot_info_t* mbd, unsigned int magic){
// kernel entry point.
//unsigned char* videoram = (unsigned char*) 0xb8000;
//videoram[0] = 65;
//videoram[1] = 0x07;
//setMode(0x13);
setMode(320, 200, 8); // HOLY SHIT THIS WORKS
clrscr();
gdt_install();
idt_install();
isrs_install();
irq_install();
timer_install();
start_paging(mbd);
keyboard_install();
init_genrand(get_timer_ticks());
__asm__ __volatile__ ("sti");
kprint("Hello, We have booted successfully!\n\tTip: type help for command info\n");
while(1){
if(todo != NULL){
void(*function)() = todo;
function(todoCP);
todo = NULL;
}
}
}
void idt_install()
{
idt_load();
isrs_install();
irq_install();
sti();
}
void init_kernel()
{
terminal_initialize();
init_serial(COM1);
terminal_enable_serial_echo(COM1);
terminal_printf("fOS version %s\n\n\n", KERNEL_VERSION);
kinit(end + 4096, end + 4096 + (100 * 4096));
init_gdt();
load_gdt();
load_idt();
load_isrs();
irq_install();
asm volatile ( "sti" );
timer_install();
sleep(1);
keyboard_install();
init_paging();
switch_to_paging();
}
void kmain(unsigned long magic, multiboot_info_t * mbi)
{
if (magic != MULTIBOOT_BOOTLOADER_MAGIC)
{
printk ("Invalid magic number: 0x%x\n", (unsigned) magic);
return;
}
gdt_install();
idt_install();
init_video();
isrs_install();
irq_install();
timer_install();
sys_setup(mbi);
test_inode();
__asm__ __volatile__ ("sti");
printk("EgGS:hello there!\n");
// int i = 10 / 0;
for (;;);
}
void init_descriptors()
{
gdt_install();
idt_install();
init_handlers();
irq_install();
}
int irq_init(void)
{
idt_install();
isrs_install();
irq_install();
return 0;
}
void kernel_main(struct mboot_info_struct *mbinfo)
{
// addr = (int*) kernel_main;
//
log("[LOAD] " DISTNAME " kernel is started. Disabling interrupts...");
log("[DISCLAIMER] " DISTNAME " is totally free. If you have bought it, please report us seller's contact information to prevent further project law violation.");
asm("cli");
log("done.");
log("[INFO] Setting up GDT...");
gdt_install();
log("done.");
log("[INFO] Setting up IDT...");
idt_install();
log("done.");
log("[INFO] Setting up ISRs...");
isrs_install();
log("done.");
log("[INFO] Setting up IRQ handlers...");
irq_install();
log("done.");
asm("sti");
log("[INFO] Setting up fonts...");
setupFonts();
log("done.");
log("[INFO] Initializing PIC...");
//kprint("OS365 Kernel 1.0 is loaded.\nInitializing PIC...",0,0);
init_pics(0x20,0x28);
log("done.");
//setupPaging();
//asm("int $8");
//kprint("\nAll pre-start processes are finished. Preparing to load shell...\n",0,8);
log("[INFO] Setting VBE graphics mode...");
//sleep(18);
//setGraphicsMode();
vbe_info_t* vbeInfo=(vbe_info_t*)(uint32_t)mbinfo->vbe_mode;
framebuffer =(uint8_t*)(mbinfo->framebuffer_addr);
fbpitch =mbinfo->framebuffer_pitch;
fbbpp =mbinfo->framebuffer_bpp;
//memset((void*)framebuffer,0x004DFF,1024*768*3);
initKbd();
log("done.");
//mouse_install();
log("[INFO] Setting up the timer...");
setupPIT();
log("done.");
log("[INFO] Loading Z Window System...");
//abort();
while(true)
{
shellStart();
fRun=true;
log("[WARNING] Error in program: Not returned to Z");
log("[INFO] Getting back to Z...");
}
}
/*
* Called from boot.S, after global constructor
*/
void kernel_main(multiboot_info *mbt)
{
/*
* second argument is an 8 bit flag. low bit sets verbosity.
*/
boot_info(mbt,MB_DRIVE | MB_DEV);
printf ("Setting up Global Descriptor Table... ");
gdt_install();
puts ("OK");
printf ("Setting up Interrupt Descriptor Table... ");
idt_install();
puts ("OK");
printf ("Setting up IRQ... ");
irq_install();
puts ("OK");
printf ("Configuring system clock... ");
timer_install(100);
puts ("OK");
printf ("Enabling keyboard... ");
keyboard_install();
puts ("OK");
printf ("Enabling interrupts... ");
irq_enable();
if (irq_on()) {
puts ("OK");
} else {
abort();
}
/*
* Testing cr0 register
*/
uint32_t _cr0 = cr0();
printf("PE (Protection Enabled, lowest bit of cr0 register) set? 0x%lx, %s\n",
_cr0,_cr0&0x00000001?"yes":"no");
printf("Rho version %d.%d.%d booted\n",RHO_MAJOR,RHO_MINOR,RHO_PATCH);
checkAllBuses();
/*
* Wait until interrupted
*/
// mem_inspect(1024,1536);
while ( 1 ) {
/*
* Update the cursos position
*/
upd_c();
/*
* Wait for interrupts
*/
irq_wait();
}
/* */
}
void x86_init()
{
gdt_install();
idt_install();
isrs_install();
apic_init(); /* apic */
irq_install();
console_init();
timer_install();
init_keyboard();
}
void kmain(struct multiboot_info *mbt)
{
vga_init();
gdt_install();
idt_install();
isr_install();
irq_install();
syscalls_install();
puts_c(__kernel_name " kernel v" __kernel_version_str "\n\n", COLOR_LIGHT_BLUE, COLOR_DEFAULT_BG);
uint64_t mem;
get_multiboot_info(mbt, &mem);
extern uint32_t _kernel_memory_end[];
kprintf("End of kernel's memory: 0x%x\n", (uint64_t) (uint32_t) _kernel_memory_end);
kprintf("Memory:\n%l B\n%l KB\n%l MB\n%l GB\n", mem, mem / 1024, mem / 1024 / 1024, mem / 1024 / 1024 / 1024);
init_paging();
map_page(0xFD7FF000, 0x60000, 3);
int *p = (int *) 0xFD7FF000;
*p = 12;
kprintf("*(0x%x) = %i\n", (uint64_t) (uint32_t) p, *p);
map_page(0x10000000, 0x60000, 3);
int *p2 = (int *) 0x10000000;
kprintf("*(0x%x) = %i\n", (uint64_t) (uint32_t) p2, *p2);
print_next_available_page();
uint32_t ap = allocate_page(203);
map_page(ap, 0x60000, 3);
int *p3 = (int *) ap;
kprintf("*(0x%x) = %i\n", (uint64_t) ap, *p3);
print_next_available_page();
ap = allocate_page(203);
kprintf("ap = 0x%x\n", (uint32_t) ap);
struct kthread thread;
create_kthread(thread_test, &thread);
start_kthread(&thread);
kprintf("Returned from thread.\n");
_asm_print_test();
return;
}
void main()
{
gdt_install(3) ;
init_video(&sc) ;
idt_install() ;
isrs_install() ;
irq_install() ;
timer_install() ;
keyboard_install() ;
__asm__ __volatile__ ("sti");
int state = 0 ;
screen sc ;
//puts(&sc, "Hello world in new functions\n") ;
print_int(&sc, state) ;
/* Since there is no support for newlines in terminal_putchar yet, \n will
produce some VGA specific character instead. This is normal. */
}
int kernel_main(uint32_t esp) {
initial_esp = esp;
gdt_install();
idt_install();
isrs_install();
irq_install();
asm volatile("sti");
timer_install();
keyboard_install();
ASSERT(mboot_ptr != 0);
ASSERT(mboot_ptr->mods_count > 0);
uint32_t initrd_location = *((uint32_t*)mboot_ptr->mods_addr);
uint32_t initrd_end = *(uint32_t*)(mboot_ptr->mods_addr + 4);
// move the start of our kernel heap to past the initrd
placement_address = initrd_end;
initialize_paging();
initialize_tasking();
fs_root = initialize_initrd(initrd_location);
// Create a new process in a new address space which is a clone of this.
int ret = fork();
printf("fork() returned %x, ", ret);
printf(" getpid() returned %x\n", getpid());
printf("Loading initial ramdisk...\n");
asm volatile("cli");
traverse_initrd();
asm volatile("sti");
printf("That's all folks\n");
for(;;);
return 0;
}
/* Installs the IDT */
void idt_install()
{
/* Sets the special IDT pointer up, just like in 'gdt.c' */
idtp.limit = (sizeof (struct idt_entry) * 256) - 1;
idtp.base = (unsigned int)&idt;
memset((unsigned char *)&idt,0,sizeof(struct idt_entry)*256);
/* Add any new ISRs to the IDT here using idt_set_gate */
irq_remap();
isrs_install();
irq_install();
idt_load();
/* Points the processor's internal register to the new IDT */
print_k("%s\n",IDT_MESSAGE);
}
void main(void)
{
gdt_install();
idt_install();
isrs_install();
irq_install();
timer_install();
keyboard_install();
mouse_install();
__asm__ __volatile__ ("sti");
clear_keyboard_buffers();
clear(BLACK,BLACK);
bscreen();
for (;;);
}
void kernel_main(){
console_initialize();
gdt_install();
idt_install();
isrs_install();
irq_install();
timer_install();
keyboard_install();
__asm__ __volatile__ ("sti");
console_putString("Hello, kernel World!\n");
for (;;){
}
}
void kmain ( void* mbd, unsigned int magic )
{
if ( magic != 0x2BADB002 )
{
/* there is something wrong */
}
else
{
clearscreen();
printline ("akv's - code is running");
gdt_install ();
idt_install ();
isrs_install ();
irq_install ();
__asm__ __volatile__ ("sti");
timer_install (2);
keyboard_install ();
for(;;);
}
}
void kmain( void* mbd, unsigned int magic )
{
/* Installations */
gdt_install();
idt_install();
isrs_install();
irq_install();
timer_install();
keyboard_install();
init_video();
__asm__ __volatile__ ("sti"); // Disable interrupts
settextcolor(0x0F, 0x00);
unsigned char string[] = "Welcome to Gulinux 0.01. For a list of commands, type help.\n";
putsa(string);
for(;;);
}
void boot(void)
{
// note: function changes rsp, local stack variables can't be practically used
register char *temp1, *temp2;
uint32_t* modulep;
void* physfree;
__asm__(
"movq %%rsp, %0;"
"movq %1, %%rsp;"
:"=g"(loader_stack)
:"r"(&stack[INITIAL_STACK_SIZE])
);
setup_tss();
reload_gdt();
reload_idt();
irq_install();
timer_install();
keyboard_install();
__asm__("sti");
modulep = (uint32_t*)((char*)(uint64_t)loader_stack[3] + (uint64_t)&kernmem - (uint64_t)&physbase);
physfree = (void*)(uint64_t)loader_stack[4];
kphysfree = physfree;
mm_phy_init(modulep);
vmmgr_init();
vmmgr_page_allocator_init();
cls();
scheduler_init();
/*start(
(uint32_t*)((char*)(uint64_t)loader_stack[3] + (uint64_t)&kernmem - (uint64_t)&physbase),
&physbase,
(void*)(uint64_t)loader_stack[4]
);*/
for(
temp1 = "!!!!! start() returned !!!!!", temp2 = (char*)0xb8000;
*temp1;
temp1 += 1, temp2 += 2
) *temp2 = *temp1;
while(1);
}
void kernel_main() {
gdt_install();
idt_install();
isrs_install();
irq_install();
terminal_initialize();
memory_manager_init();
enable_interrupts();
timer_install();
keyboard_install();
shell_init();
terminal_writestring("Hello, kernel World!\n");
terminal_writestring("Here is some text in a new line\n");
terminal_writestring("Here is some more text\n");
terminal_writestring("Here is a new line\n");
terminal_writestring("Here is some text after terminal scroll\n");
char str[] = "A string";
char ch = 'c';
int integer = 45;
printf("This is a test for printf.\nThis is a char %c and this a string %s\n", ch, str);
printf("This is an int %d. This is the same in hex %x\n", integer, integer);
for (size_t i = 0; i < 5; i++) {
printf("This is line number %d\n", i);
}
puts("waiting for 2 sec\n");
timer_wait(2);
puts("waiting complete\n");
char buffer[200];
gets(buffer);
printf("%s\n", buffer);
while(1) {
shell();
}
}
/**
* Run kernel.
*/
void kmain()
{
gdt_install();
idt_install();
isr_install();
irq_install();
clock_install();
vga_init();
vga_write("Bandit Kernel v0.0.1\n");
vga_write("Developer: Matheus Vieira Portela\n");
vga_write("Contact: matheusvportela at gmail dot com\n\n");
clock_set_frequency(1);
/* test_division_by_zero_exception(); */
/* Kernel infinite loop */
while(1)
{
vga_write("tick\n");
clock_wait(18);
}
}
void main(BootInformation* boot_info)
{
asm("cli");
// Memory
mm_initialize(boot_info);
// IDT and IRQ
idt_install();
irq_install();
// Install handlers
timer_init();
// Re-enable interrupts
asm("sti");
// Initialize IO
io_init();
// Initialize modules
mod_init_all();
// Welcome
printf("Stage 2 loaded from drive %i\n", boot_info->boot_drive);
printf("%d entries found for the memory\n", boot_info->smap_size);
int i = 0;
for (i = 0; i < boot_info->smap_size; ++i) {
SMAPEntry *ent = &(boot_info->smap_entries[i]);
printf("\tACPI Flags 0x%x Type %d ",
ent->acpi & 0x03, ent->type);
printf("Base 0x%016llx\tSize %lld\n", ent->base, ent->length);
}
// Launch command line interpreter
cli_start();
// Should never reach this, but just in case...
while (1)
asm("hlt");
}
void main()
{
char *video_memory = (char *)0xb8000;
*video_memory = 'X';
some_function();
init_video();
idt_install();
isr_install();
irq_install();
timer_install();
keyboard_install();
__asm__ __volatile__ ("sti");
print("Hello World\n");
print("\n\tFrom Ajay Saini!\n");
// test : running of exception handlers
//print(20/0);
}
/*
* multiboot i386 (pc) kernel entry point
*/
int kmain(struct multiboot *mboot, uint32_t mboot_mag, uintptr_t esp) {
initial_esp = esp;
extern char * cmdline;
uint32_t mboot_mods_count = 0;
mboot_mod_t * mboot_mods = NULL;
mboot_ptr = mboot;
ENABLE_EARLY_BOOT_LOG(0);
assert(mboot_mag == MULTIBOOT_EAX_MAGIC && "Didn't boot with multiboot, not sure how we got here.");
debug_print(NOTICE, "Processing Multiboot information.");
/* Initialize core modules */
gdt_install(); /* Global descriptor table */
idt_install(); /* IDT */
isrs_install(); /* Interrupt service requests */
irq_install(); /* Hardware interrupt requests */
if (mboot_ptr->flags & (1 << 3)) {
debug_print(NOTICE, "There %s %d module%s starting at 0x%x.", mboot_ptr->mods_count == 1 ? "is" : "are", mboot_ptr->mods_count, mboot_ptr->mods_count == 1 ? "" : "s", mboot_ptr->mods_addr);
debug_print(NOTICE, "Current kernel heap start point would be 0x%x.", &end);
if (mboot_ptr->mods_count > 0) {
uintptr_t last_mod = (uintptr_t)&end;
uint32_t i;
mboot_mods = (mboot_mod_t *)mboot_ptr->mods_addr;
mboot_mods_count = mboot_ptr->mods_count;
for (i = 0; i < mboot_ptr->mods_count; ++i ) {
mboot_mod_t * mod = &mboot_mods[i];
uint32_t module_start = mod->mod_start;
uint32_t module_end = mod->mod_end;
if ((uintptr_t)mod + sizeof(mboot_mod_t) > last_mod) {
/* Just in case some silly person put this *behind* the modules... */
last_mod = (uintptr_t)mod + sizeof(mboot_mod_t);
}
debug_print(NOTICE, "Module %d is at 0x%x:0x%x", i, module_start, module_end);
if (last_mod < module_end) {
last_mod = module_end;
}
}
debug_print(NOTICE, "Moving kernel heap start to 0x%x", last_mod);
kmalloc_startat(last_mod);
}
}
paging_install(mboot_ptr->mem_upper + mboot_ptr->mem_lower);
if (mboot_ptr->flags & (1 << 6)) {
debug_print(NOTICE, "Parsing memory map.");
mboot_memmap_t * mmap = (void *)mboot_ptr->mmap_addr;
while ((uintptr_t)mmap < mboot_ptr->mmap_addr + mboot_ptr->mmap_length) {
if (mmap->type == 2) {
for (unsigned long long int i = 0; i < mmap->length; i += 0x1000) {
if (mmap->base_addr + i > 0xFFFFFFFF) break; /* xxx */
debug_print(INFO, "Marking 0x%x", (uint32_t)(mmap->base_addr + i));
paging_mark_system((mmap->base_addr + i) & 0xFFFFF000);
}
}
mmap = (mboot_memmap_t *) ((uintptr_t)mmap + mmap->size + sizeof(uintptr_t));
}
}
paging_finalize();
{
char cmdline_[1024];
size_t len = strlen((char *)mboot_ptr->cmdline);
memmove(cmdline_, (char *)mboot_ptr->cmdline, len + 1);
/* Relocate the command line */
cmdline = (char *)kmalloc(len + 1);
memcpy(cmdline, cmdline_, len + 1);
}
/* Memory management */
heap_install(); /* Kernel heap */
if (cmdline) {
args_parse(cmdline);
}
vfs_install();
tasking_install(); /* Multi-tasking */
timer_install(); /* PIC driver */
fpu_install(); /* FPU/SSE magic */
syscalls_install(); /* Install the system calls */
shm_install(); /* Install shared memory */
modules_install(); /* Modules! */
DISABLE_EARLY_BOOT_LOG();
/* Load modules from bootloader */
debug_print(NOTICE, "%d modules to load", mboot_mods_count);
for (unsigned int i = 0; i < mboot_ptr->mods_count; ++i ) {
mboot_mod_t * mod = &mboot_mods[i];
uint32_t module_start = mod->mod_start;
uint32_t module_end = mod->mod_end;
size_t module_size = module_end - module_start;
if (!module_quickcheck((void *)module_start)) {
debug_print(NOTICE, "Loading ramdisk: 0x%x:0x%x", module_start, module_end);
ramdisk_mount(module_start, module_size);
} else {
debug_print(NOTICE, "Loading a module: 0x%x:0x%x", module_start, module_end);
module_data_t * mod_info = (module_data_t *)module_load_direct((void *)(module_start), module_size);
if (mod_info) {
debug_print(NOTICE, "Loaded: %s", mod_info->mod_info->name);
}
}
}
/* Map /dev to a device mapper */
map_vfs_directory("/dev");
if (args_present("root")) {
vfs_mount_type("ext2", args_value("root"), "/");
}
if (args_present("start")) {
char * c = args_value("start");
if (!c) {
debug_print(WARNING, "Expected an argument to kernel option `start`. Ignoring.");
} else {
debug_print(NOTICE, "Got start argument: %s", c);
boot_arg = strdup(c);
}
}
if (!fs_root) {
debug_print(CRITICAL, "No root filesystem is mounted. Skipping init.");
map_vfs_directory("/");
switch_task(0);
}
/* Prepare to run /bin/init */
char * argv[] = {
"/bin/init",
boot_arg,
NULL
};
int argc = 0;
while (argv[argc]) {
argc++;
}
system(argv[0], argc, argv); /* Run init */
return 0;
}
k_main() // like main
{
k_clear_screen();
k_puts("Welcome to MoOS version 0.1 (" BUILDTAG ")\n");
k_puts("\n");
if (pci_is_available())
{
k_puts(" Detected a PCI bus\n");
} else
{
k_puts(" No PCI bus detected\n");
}
// Try to find PCI devices
unsigned int i, j, k;
for (i=0; i<256; i++)
{
for (j=0; j<32; j++)
{
for (k=0; k<8; k++)
{
unsigned int temp = pci_read_dword(i, j, k, 0);
if ((temp & 0xffff) != 0xffff)
{
printk("PCI device on bus: %u, slot: %u, function: %u VendorId/DeviceId: %x\n", i, j, k, temp);
}
}
}
}
// NE2000 code
#define NS_DATAPORT 0x10 /* NatSemi-defined port window offset. */
#define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
#define NS_RESET 0x1f /* Issue a read to reset, a write to clear. */
#define E8390_CMD 0x00 /* The command register (for all pages) */
#define E8390_STOP 0x01 /* Stop and reset the chip */
#define E8390_START 0x02 /* Start the chip, clear reset */
#define E8390_RREAD 0x08 /* Remote read */
#define E8390_NODMA 0x20 /* Remote DMA */
#define E8390_PAGE0 0x00 /* Select page chip registers */
#define E8390_PAGE1 0x40 /* using the two high-order bits */
#define E8390_PAGE2 0x80
#define E8390_PAGE3 0xC0 /* Page 3 is invalid on the real 8390. */
#define E8390_RXOFF 0x20 /* EN0_RXCR: Accept no packets */
#define E8390_TXOFF 0x02 /* EN0_TXCR: Transmitter off */
/* Page 0 register offsets. */
#define EN0_CLDALO 0x01 /* Low byte of current local dma addr RD */
#define EN0_STARTPG 0x01 /* Starting page of ring bfr WR */
#define EN0_CLDAHI 0x02 /* High byte of current local dma addr RD */
#define EN0_STOPPG 0x02 /* Ending page +1 of ring bfr WR */
#define EN0_BOUNDARY 0x03 /* Boundary page of ring bfr RD WR */
#define EN0_TSR 0x04 /* Transmit status reg RD */
#define EN0_TPSR 0x04 /* Transmit starting page WR */
#define EN0_NCR 0x05 /* Number of collision reg RD */
#define EN0_TCNTLO 0x05 /* Low byte of tx byte count WR */
#define EN0_FIFO 0x06 /* FIFO RD */
#define EN0_TCNTHI 0x06 /* High byte of tx byte count WR */
#define EN0_ISR 0x07 /* Interrupt status reg RD WR */
#define EN0_CRDALO 0x08 /* low byte of current remote dma address RD */
#define EN0_RSARLO 0x08 /* Remote start address reg 0 */
#define EN0_CRDAHI 0x09 /* high byte, current remote dma address RD */
#define EN0_RSARHI 0x09 /* Remote start address reg 1 */
#define EN0_RCNTLO 0x0a /* Remote byte count reg WR */
#define EN0_RCNTHI 0x0b /* Remote byte count reg WR */
#define EN0_RSR 0x0c /* rx status reg RD */
#define EN0_RXCR 0x0c /* RX configuration reg WR */
#define EN0_TXCR 0x0d /* TX configuration reg WR */
#define EN0_COUNTER0 0x0d /* Rcv alignment error counter RD */
#define EN0_DCFG 0x0e /* Data configuration reg WR */
#define EN0_COUNTER1 0x0e /* Rcv CRC error counter RD */
#define EN0_IMR 0x0f /* Interrupt mask reg WR */
#define EN0_COUNTER2 0x0f /* Rcv missed frame error counter RD */
unsigned char SA_prom[32];
struct {char value, offset; } program_seq[] = {
{E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
{0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */
{0x00, EN0_RCNTLO}, /* Clear the count regs. */
{0x00, EN0_RCNTHI},
{0x00, EN0_IMR}, /* Mask completion irq. */
{0xFF, EN0_ISR},
{E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
{E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
{32, EN0_RCNTLO},
{0x00, EN0_RCNTHI},
{0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
{0x00, EN0_RSARHI},
{E8390_RREAD+E8390_START, E8390_CMD},
};
int wordlength = 2;
/* Read the 16 bytes of station address prom, returning 1 for
an eight-bit interface and 2 for a 16-bit interface.
We must first initialize registers, similar to NS8390_init(eifdev, 0).
We can't reliably read the SAPROM address without this.
(I learned the hard way!). */
for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++)
outportb(0x300 + program_seq[i].offset, program_seq[i].value);
for(i = 0; i < 32 /*sizeof(SA_prom)*/; i+=2) {
SA_prom[i] = inportb(0x300 + NE_DATAPORT);
SA_prom[i+1] = inportb(0x300 + NE_DATAPORT);
if (SA_prom[i] != SA_prom[i+1])
wordlength = 1;
}
printk("Station Address PROM 0:");
for(i = 0; i < sizeof(SA_prom)/2; i++)
printk(" %2.2x", SA_prom[i]);
printk("\nStation Address PROM %#2x:", i);
for(; i < sizeof(SA_prom); i++)
printk(" %2.2x", SA_prom[i]);
printk("\n");
printk("NE200 wordlength = %u\n", wordlength);
if (wordlength == 2) {
/* We must set the 8390 for word mode, AND RESET IT. */
int tmp;
outportb(0x300 + EN0_DCFG, 0x49);
tmp = inportb(0x300 + NS_RESET);
outportb(0x300 + NS_RESET, tmp);
/* Un-double the SA_prom values. */
for (i = 0; i < 16; i++)
SA_prom[i] = SA_prom[i+i];
}
// Check for NE2000 on I/O address 0x300
printk("MAC of NE2000 @0x300: ");
outportb(0x300 + E8390_CMD, E8390_NODMA + E8390_PAGE1);
for (i = 1; i < 6; i++)
printk("%2X:", inportb(0x300 + i));
printk("%2X\n");
// End of NE2000 code
init_pics(0x20, 0x28);
idt_install();
isrs_install();
irq_install();
keyboard_install();
asm volatile ("sti");
for(;;);
}
void irq_init(void) {
init_idt();
isr_install();
irq_install();
}
void kmain(void)
{
kernel_end = (uint64_t)heap_addr;
kernel_heap_ptr = (uint8_t*)((uint64_t)&VMA + kernel_end + heap_size) ;
UPD = (uint64_t*)((uint64_t)&VMA + kernel_end + 0x3000);
KPD = (uint64_t*)((uint64_t)&VMA + kernel_end + 0x4000);
PML4 = (uint64_t*)((uint64_t)&VMA + kernel_end);
*(KPD + 511) = (kernel_end + 0x4000) | 3;
map_mem(mboot_info);
#if _GFX_
init_video();
#endif
idt_install();
isr_install();
vmem_init();
serial.init();
extern void load_tss(void);
load_tss();
extern uint64_t k_tss64_sp;
*(uint64_t*)( (uint64_t)&VMA + (uint64_t)&k_tss64_sp ) = 0xFFFFFFFFC0008000;
pit_set_freq(2000); // timer tick = 500 us
pit_install();
irq_install();
extern void mouse_init();
//mouse_init();
extern void mouse_handler(void*);
//irq_install_handler(12, mouse_handler);
multiboot_module_t *mod = (multiboot_module_t*)(uint64_t)mboot_info->mods_addr;
ramdev_private_t ramdev_private =
(ramdev_private_t)
{
.ptr = (void*)((uint64_t)&VMA + mod->mod_start),
.size = (uint32_t)(mod->mod_end - mod->mod_start),
};
inode_t ramdisk_inode =
(inode_t)
{
.name = "ramdisk",
.type = FS_CHRDEV,
.fs = &devfs,
.dev = &ramdev,
.p = &ramdev_private,
};
vfs_create(&dev_root, "/", &ramdisk_inode);
inode_t *rootfs = initramfs.load(&ramdisk_inode);
vfs_mount_root(rootfs);
irq_install_handler(1, kbd_handler);
devman.init();
fsman.init();
#if _DBG_CON_
// We should disable debugging by this stage!
serial.end();
#endif
process_t *init = load_elf("/bin/init");
extern void spawn_init(process_t*);
spawn_init(init);
for(;;);
}
void kmain(struct multiboot *mbp, u32 magic)
{
u32 initrd_location = *((u32*)mbp->mods_addr); //get the adress of initrd module
u32 initrd_end = *(u32*)(mbp->mods_addr+4);
placement_address = initrd_end;
init_video_term();
puts("Welcome to chiffOS");
printk("\n");
videoram[1] = 2;
videoram[3] = 4;
videoram[5] = 6;
videoram[7] = 8;
videoram[9] = 10;
videoram[11] = 12;
videoram[13] = 14;
videoram[15] = 12;
videoram[17] = 10;
videoram[19] = 8;
videoram[21] = 6;
videoram[23] = 4;
videoram[25] = 2;
videoram[27] = 6;
videoram[29] = 10;
videoram[31] = 14;
printk("Initializing GDTs... ");
gdt_install();
printk("[ok]\n");
printk("Initializing IDTs... ");
idt_install();
printk("[ok]\n");
printk("Initializing ISRs and enabling interrupts... ");
isrs_install();
irq_install();
printk("[ok]\n");
printk("\n");
printk("Initializing the PIT... ");
timer_install(100);
printk("[ok]\n");
printk("Initializing paging and the heap... ");
_vmmngr_initialize(mbp); //get memory amount from grub
printk("[ok]\n");
printk("Setting up the keyboard handler... ");
_kbd_initialize();
printk("[ok]\n");
printk("Initializing initrd... ");
fs_root = install_initrd(initrd_location);
printk("[ok]\n");
printk("Initializing tasking... ");
_task_initialize();
printk("[ok]\n");
_install_syscall_handler();
scan_pci_bus(0);
ata_init_and_detect_drives();
mount_fat32();
fpu_install();
FAT_shell_newlib();
for(;;);
}