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extern thread_sched, thread_sched_stack
global yield, resume
extern print_num, halt
yield:
; push rip (done using call)
push rbx
push rbp
push rdi
push rsi
push r12
push r13
push r14
push r15
cld
; mov rdi, rdi
mov rsi, rsp
mov rsp, [thread_sched_stack]
jmp thread_sched
; stack in rdi
; return in rsi
resume:
mov rsp, rdi
mov rax, rsi
pop r15
pop r14
pop r13
pop r12
pop rsi
pop rdi
pop rbp
pop rbx
;mov rdi, [rsp]
;mov rsi, 16
;mov rdx, 0
;call print_num
;cli
;call halt
ret ; pop rip
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