summaryrefslogtreecommitdiff
path: root/PcAtChipsetPkg/PciHostBridgeDxe/Ia32/IoFifo.S
blob: 6b9c0966ba40dac9b531a8eb9fddda057dae9770 (plain)
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
132
133
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution.  The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo8 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo8)
ASM_PFX(IoReadFifo8):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insb
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo16 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo16)
ASM_PFX(IoReadFifo16):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insw
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoReadFifo32 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoReadFifo32)
ASM_PFX(IoReadFifo32):
    push    %edi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %edi
rep insl
    pop     %edi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo8 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo8)
ASM_PFX(IoWriteFifo8):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsb
    pop     %esi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo16 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo16)
ASM_PFX(IoWriteFifo16):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsw
    pop     %esi
    ret

#------------------------------------------------------------------------------
#  VOID
#  EFIAPI
#  IoWriteFifo32 (
#    IN UINTN                  Port,
#    IN UINTN                  Count,
#    IN VOID                   *Buffer
#    );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(IoWriteFifo32)
ASM_PFX(IoWriteFifo32):
    push    %esi
    cld
    movw    8(%esp), %dx
    mov     12(%esp), %ecx
    mov     16(%esp), %esi
rep outsl
    pop     %esi
    ret