/* Init task - the job of this task is to initialise all
* installed drivers, mount the root filesystem and
* bootstrap the system */
int init_task(void *priv)
{
uint32_t ret;
struct file *file;
char buf[20];
int rval;
/* Initialise kernel subsystems */
blk_init();
vfs_init();
pci_init();
do_initcalls();
/* Mount the root filesystem etc.. */
if ( vfs_mount_root("ext2", "floppy0") ) {
panic("Unable to mount root filesystem\n");
}
file = kernel_open("/test.txt", 0);
if ( NULL == file ) {
printk("init_task: open failed, returned %u\n", -1);
} else {
rval = kernel_read(file, buf, 16);
if ( rval < 0 )
printk("read error: %d\n", rval);
else if ( rval == 0 )
printk("read returned EOF\n");
else {
buf[rval] = '\0';
printk("read: %s.\n", buf);
}
rval = kernel_write(file, buf, 16);
kernel_close(file);
}
ret = _kernel_exec("/bin/bash");
ret = _kernel_exec("/sbin/init");
ret = _kernel_exec("/bin/cat");
printk("exec: /sbin/init: %i\n", (int)ret);
return ret;
}
/* Init task - the job of this task is to initialise all
* installed drivers, mount the root filesystem and
* bootstrap the system */
int init_task(void *priv)
{
uint32_t ret;
/* Initialise kernel subsystems */
blk_init();
vfs_init();
pci_init();
do_initcalls();
/* Mount the root filesystem etc.. */
if ( vfs_mount_root("ext2", "floppy0") ) {
panic("Unable to mount root filesystem\n");
}
ret = _kernel_exec("/bin/bash");
ret = _kernel_exec("/sbin/init");
ret = _kernel_exec("/bin/cat");
printk("exec: /sbin/init: %i\n", (int)ret);
return ret;
}
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(;;);
}
