aboutsummaryrefslogtreecommitdiffstats
path: root/MdePkg/Library/BaseIoLibIntrinsic/Ia32/IoFifo.nasm
blob: 554585733049b2052419ef62fbafc4527f5bcb1e (plain) (blame)
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
;
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;------------------------------------------------------------------------------

    SECTION .text

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoReadFifo8 (
;    IN  UINTN                 Port,
;    IN  UINTN                 Size,
;    OUT VOID                  *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoReadFifo8)
ASM_PFX(IoReadFifo8):
    push    edi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     edi, [esp + 16]
rep insb
    pop     edi
    ret

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoReadFifo16 (
;    IN  UINTN                 Port,
;    IN  UINTN                 Size,
;    OUT VOID                  *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoReadFifo16)
ASM_PFX(IoReadFifo16):
    push    edi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     edi, [esp + 16]
rep insw
    pop     edi
    ret

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoReadFifo32 (
;    IN  UINTN                 Port,
;    IN  UINTN                 Size,
;    OUT VOID                  *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoReadFifo32)
ASM_PFX(IoReadFifo32):
    push    edi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     edi, [esp + 16]
rep insd
    pop     edi
    ret

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoWriteFifo8 (
;    IN UINTN                  Port,
;    IN UINTN                  Size,
;    IN VOID                   *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoWriteFifo8)
ASM_PFX(IoWriteFifo8):
    push    esi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     esi, [esp + 16]
rep outsb
    pop     esi
    ret

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoWriteFifo16 (
;    IN UINTN                  Port,
;    IN UINTN                  Size,
;    IN VOID                   *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoWriteFifo16)
ASM_PFX(IoWriteFifo16):
    push    esi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     esi, [esp + 16]
rep outsw
    pop     esi
    ret

;------------------------------------------------------------------------------
;  VOID
;  EFIAPI
;  IoWriteFifo32 (
;    IN UINTN                  Port,
;    IN UINTN                  Size,
;    IN VOID                   *Buffer
;    );
;------------------------------------------------------------------------------
global ASM_PFX(IoWriteFifo32)
ASM_PFX(IoWriteFifo32):
    push    esi
    cld
    mov     dx, [esp + 8]
    mov     ecx, [esp + 12]
    mov     esi, [esp + 16]
rep outsd
    pop     esi
    ret