void
i386_init(void)
{
/* __asm __volatile("int $12"); */
extern char edata[], end[];
// Before doing anything else, complete the ELF loading process.
// Clear the uninitialized global data (BSS) section of our program.
// This ensures that all static/global variables start out zero.
memset(edata, 0, end - edata);
// Initialize the console.
// Can't call cprintf until after we do this!
cons_init();
cprintf("6828 decimal is %o octal!\n", 6828);
extern char end[];
end_debug = read_section_headers((0x10000+KERNBASE), (uintptr_t)end);
// Lab 2 memory management initialization functions
x64_vm_init();
// Lab 3 user environment initialization functions
env_init();
trap_init();
// Lab 4 multiprocessor initialization functions
mp_init();
lapic_init();
// Lab 4 multitasking initialization functions
pic_init();
// Acquire the big kernel lock before waking up APs
// Your code here:
lock_kernel();
// Starting non-boot CPUs
boot_aps();
// Start fs.
ENV_CREATE(fs_fs, ENV_TYPE_FS);
#if defined(TEST)
// Don't touch -- used by grading script!
ENV_CREATE(TEST, ENV_TYPE_USER);
#else
// Touch all you want.
ENV_CREATE(user_icode, ENV_TYPE_USER);
#endif // TEST*
// Should not be necessary - drains keyboard because interrupt has given up.
kbd_intr();
// Schedule and run the first user environment!
sched_yield();
}
void
i386_init(void)
{
/* __asm __volatile("int $12"); */
extern char edata[], end[];
// Before doing anything else, complete the ELF loading process.
// Clear the uninitialized global data (BSS) section of our program.
// This ensures that all static/global variables start out zero.
memset(edata, 0, end - edata);
// Initialize the console.
// Can't call cprintf until after we do this!
cons_init();
cprintf("6828 decimal is %o octal!\n", 6828);
#ifdef VMM_GUEST
/* Guest VMX extension exposure check */
{
uint32_t ecx = 0;
cpuid(0x1, NULL, NULL, &ecx, NULL);
if (ecx & 0x20)
panic("[ERR] VMX extension exposed to guest.\n");
else
cprintf("VMX extension hidden from guest.\n");
}
#endif
#ifndef VMM_GUEST
extern char end[];
end_debug = read_section_headers((0x10000+KERNBASE), (uintptr_t)end);
#endif
// Lab 2 memory management initialization functions
x64_vm_init();
// Lab 3 user environment initialization functions
env_init();
trap_init();
#ifndef VMM_GUEST
// Lab 4 multiprocessor initialization functions
lapic_init();
#endif
// Lab 4 multitasking initialization functions
pic_init();
// Lab 6 hardware initialization functions
time_init();
pci_init();
// Acquire the big kernel lock before waking up APs
// Your code here:
#ifndef VMM_GUEST
// Starting non-boot CPUs
boot_aps();
#endif
cprintf("\nAdding idle");
ENV_CREATE(user_idle, ENV_TYPE_IDLE);
#if defined(TEST)
// Don't touch -- used by grading script!
ENV_CREATE(TEST, ENV_TYPE_USER);
#else
//start fs
cprintf("\nAdding FILE SYSTEM");
ENV_CREATE(fs_fs,ENV_TYPE_FS);
#if defined(TEST_EPT_MAP)
test_ept_map();
#endif
cprintf("\nAdding ICODE");
ENV_CREATE(user_icode,ENV_TYPE_USER);
#endif
// Should not be necessary - drains keyboard because interrupt has given up.
// kbd_intr();
// Schedule and run the first user environment!
sched_yield();
}