diff options
| author | Marvin Borner | 2021-03-13 15:12:25 +0100 |
|---|---|---|
| committer | Marvin Borner | 2021-03-13 15:12:25 +0100 |
| commit | 7f2adfc77d17abf19e843ed09ccd698ee541796d (patch) | |
| tree | e78e67154d03a6acd7c91298ad821f6d96d6021c /kernel/features | |
| parent | 8176351e1a3d1598bedbc007897d530475942275 (diff) | |
Some security measures
Diffstat (limited to 'kernel/features')
| -rw-r--r-- | kernel/features/syscall.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/features/syscall.c b/kernel/features/syscall.c index dc49d67..68bcbaa 100644 --- a/kernel/features/syscall.c +++ b/kernel/features/syscall.c @@ -90,6 +90,7 @@ static void syscall_handler(struct regs *r) switch (r->ecx) { case SYS_BOOT_REBOOT: print("Rebooting...\n"); + outb(0x64, 0xfe); __asm__ volatile("ud2"); break; case SYS_BOOT_SHUTDOWN: @@ -97,6 +98,7 @@ static void syscall_handler(struct regs *r) outw(0xB004, 0x2000); outw(0x604, 0x2000); outw(0x4004, 0x3400); + outb(0x64, 0xfe); __asm__ volatile("ud2"); break; default: |