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Modify the userspace task

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apio 2022-09-27 19:51:01 +02:00
parent 63e2b84370
commit 6c036dfe99
1 changed files with 7 additions and 1 deletions
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8
kernel/src/main.asm
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@ -9,10 +9,16 @@ global _userspace
_userspace: _userspace:
mov rdi, 4000 ; 4000 ms / 4 seconds mov rdi, 4000 ; 4000 ms / 4 seconds
int 33h ; Sleep int 33h ; Sleep
mov rcx, 10
.loop:
dec rcx
mov rdi, .message mov rdi, .message
int 32h ; Print string int 32h ; Print string
mov rdi, 2000 ; 2000 ms / 2 seconds mov rdi, 200 ; 200 ms / 0.2 seconds
int 33h ; Sleep int 33h ; Sleep
cmp rcx, 0
jne .loop
cli ; WE ARE IN RING 3!! So this should GPF and the kernel should exit us as "misbehaved"
int 31h ; Exit current task int 31h ; Exit current task
.message: .message:
db "hello from userspace!", 0xA, 0 db "hello from userspace!", 0xA, 0