int
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
cprintf("%s\n\n", message);
print_kerninfo();
grade_backtrace();
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
pmm_init(); // init physical memory management
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
swap_init(); // init swap
fs_init(); // init fs
clock_init(); // init clock interrupt
intr_enable(); // enable irq interrupt
//LAB1: CAHLLENGE 1 If you try to do it, uncomment lab1_switch_test()
// user/kernel mode switch test
//lab1_switch_test();
cpu_idle(); // run idle process
}
int __noreturn
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
cprintf("%s\n\n", message);
print_kerninfo();
pmm_init(); // init physical memory management
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
ide_init(); // init ide devices
swap_init(); // init swap
fs_init(); // init fs
clock_init(); // init clock interrupt
intr_enable(); // enable irq interrupt
cpu_idle(); // run idle process
}
void __noreturn
kern_init(void) {
//setup_exception_vector();
tlb_invalidate_all();
/*
unsigned base = 0xBE000000;
int i, j;
for (j = 10; j < 24; ++j) {
kprintf("\nj=%d\n\n\n", j);
for (i = 0; i < 10; ++i) {
int *addr = (int*)(base + i * 4 + (1 << j));
kprintf("0x%08x=0x%04x\n", addr, (*addr)&0xFFFF);
}
}
*/
pic_init(); // init interrupt controller
cons_init(); // init the console
clock_init(); // init clock interrupt
// panic("init");
check_initrd();
const char *message = "(THU.CST) os is loading ...\n\n";
kprintf(message);
print_kerninfo();
#if 0
kprintf("EX\n");
__asm__ volatile("syscall");
kprintf("EX RET\n");
#endif
pmm_init(); // init physical memory management
vmm_init(); // init virtual memory management
sched_init();
proc_init(); // init process table
ide_init();
fs_init();
intr_enable(); // enable irq interrupt
//*(int*)(0x00124) = 0x432;
//asm volatile("divu $1, $1, $1");
cpu_idle();
}
int kern_init(void)
{
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
kprintf("%s\n\n", message);
print_kerninfo();
/* Only to initialize lcpu_count. */
mp_init();
debug_init(); // init debug registers
pmm_init(); // init physical memory management
pmm_init_ap();
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
ide_init(); // init ide devices
#ifdef UCONFIG_SWAP
swap_init(); // init swap
#endif
fs_init(); // init fs
clock_init(); // init clock interrupt
mod_init();
intr_enable(); // enable irq interrupt
/* do nothing */
cpu_idle(); // run idle process
}
int __noreturn
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
cprintf("%s\n\n", message);
print_kerninfo();
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
clock_init(); // init clock interrupt
sti(); // enable irq interrupt
/* do nothing */
while (1);
}
int
kern_init(void) {
extern char edata[], end[];
memset(edata, 0, end - edata);
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
cprintf("%s\n\n", message);
print_kerninfo();
pmm_init(); // init physical memory management
pic_init(); // init interrupt controller
idt_init(); // init interrupt descriptor table
proc_init(); // init process table
clock_init(); // init clock interrupt
intr_enable(); // enable irq interrupt
schedule(); //let init proc run
while (do_wait(1, NULL) == 0) {
schedule();
}
}
void __noreturn
kern_init(void) {
//setup_exception_vector();
tlb_invalidate_all();
pic_init(); // init interrupt controller
vga_init();
cons_init(); // init the console
clock_init(); // init clock interrupt
check_initrd();
const char *message = "(THU.CST) os is loading ...\n\n";
kprintf(message);
print_kerninfo();
#if 0
kprintf("EX\n");
__asm__ volatile("syscall");
kprintf("EX RET\n");
#endif
pmm_init(); // init physical memory management
vmm_init(); // init virtual memory management
sched_init();
proc_init(); // init process table
ide_init();
fs_init();
intr_enable(); // enable irq interrupt
//*(int*)(0x00124) = 0x432;
//asm volatile("divu $1, $1, $1");
cpu_idle();
}
/* *
* mon_kerninfo - call print_kerninfo in kern/debug/kdebug.c to
* print the memory occupancy in kernel.
* */
int mon_kerninfo(int argc, char **argv, struct trapframe *tf)
{
print_kerninfo();
return 0;
}
int kern_init(uint64_t mbmagic, uint64_t mbmem)
{
extern char edata[], end[];
memset(edata, 0, end - edata);
/* percpu variable for CPU0 is preallocated */
percpu_offsets[0] = __percpu_start;
cons_init(); // init the console
const char *message = "(THU.CST) os is loading ...";
kprintf("%s\n\n", message);
if(mbmagic == MULTIBOOT_BOOTLOADER_MAGIC){
kprintf("Multiboot dectected: param %p\n", (void*)mbmem);
mbmem2e820((Mbdata*)VADDR_DIRECT(mbmem));
parse_initrd((Mbdata*)VADDR_DIRECT(mbmem));
}
print_kerninfo();
/* get_cpu_var not available before tls_init() */
hz_init();
gdt_init(per_cpu_ptr(cpus, 0));
tls_init(per_cpu_ptr(cpus, 0));
acpitables_init();
lapic_init();
numa_init();
pmm_init_numa(); // init physical memory management, numa awared
/* map the lapic */
lapic_init_late();
//init the acpi stuff
idt_init(); // init interrupt descriptor table
pic_init(); // init interrupt controller
// acpi_conf_init();
percpu_init();
cpus_init();
#ifdef UCONFIG_ENABLE_IPI
ipi_init();
#endif
refcache_init();
vmm_init(); // init virtual memory management
sched_init(); // init scheduler
proc_init(); // init process table
sync_init(); // init sync struct
/* ext int */
ioapic_init();
acpi_init();
ide_init(); // init ide devices
#ifdef UCONFIG_SWAP
swap_init(); // init swap
#endif
fs_init(); // init fs
clock_init(); // init clock interrupt
mod_init();
trap_init();
//XXX put here?
bootaps();
intr_enable(); // enable irq interrupt
#ifdef UCONFIG_HAVE_LINUX_DDE36_BASE
dde_kit_init();
#endif
/* do nothing */
cpu_idle(); // run idle process
}
