1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
;; /*
;; * ========================================================
;; *
;; * NeKernel
;; * Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
;; *
;; * ========================================================
;; */
section .text
extern rt_wait_400ns
global rt_out8
global rt_out16
global rt_out32
global rt_in8
global rt_in16
global rt_in32
rt_out8:
mov al, dl
mov dx, cx
out dx, al
ret
rt_out16:
mov ax, dx
mov dx, cx
out dx, ax
ret
rt_out32:
mov eax, edx
mov edx, ecx
out dx, eax
ret
rt_in8:
mov dx, cx
in al, dx
ret
rt_in16:
mov edx, ecx
in ax, dx
ret
rt_in32:
mov rdx, rcx
in eax, dx
ret
extern hal_system_call_enter
global mp_system_call_handler
mp_system_call_handler:
push r8
push r9
push r10
push r11
push r12
push r13
push r14
push r15
jmp hal_system_call_enter
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
pop r9
pop r8
o64 sysret
[bits 16]
|
