2022-09-18 15:03:29 +00:00
|
|
|
global _main
|
|
|
|
|
extern _start
|
|
|
|
|
|
|
|
|
|
_main:
|
|
|
|
|
xor rbp, rbp
|
2022-09-25 18:35:05 +00:00
|
|
|
call _start
|
|
|
|
|
|
|
|
|
|
global _userspace
|
|
|
|
|
_userspace:
|
|
|
|
|
mov rdi, 4000 ; 4000 ms / 4 seconds
|
|
|
|
|
int 33h ; Sleep
|
|
|
|
|
mov rdi, .message
|
|
|
|
|
int 32h ; Print string
|
|
|
|
|
mov rdi, 2000 ; 2000 ms / 2 seconds
|
|
|
|
|
int 33h ; Sleep
|
|
|
|
|
int 31h ; Exit current task
|
|
|
|
|
.message:
|
|
|
|
|
db "hello from userspace!", 0xA, 0
|
