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
134
135
136
|
// Definitions for X86 IO port access.
//
// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU LGPLv3 license.
#ifndef __IOPORT_H
#define __IOPORT_H
#define PORT_DMA_ADDR_2 0x0004
#define PORT_DMA_CNT_2 0x0005
#define PORT_DMA1_MASK_REG 0x000a
#define PORT_DMA1_MODE_REG 0x000b
#define PORT_DMA1_CLEAR_FF_REG 0x000c
#define PORT_DMA1_MASTER_CLEAR 0x000d
#define PORT_PIC1_CMD 0x0020
#define PORT_PIC1_DATA 0x0021
#define PORT_PIT_COUNTER0 0x0040
#define PORT_PIT_COUNTER1 0x0041
#define PORT_PIT_COUNTER2 0x0042
#define PORT_PIT_MODE 0x0043
#define PORT_PS2_DATA 0x0060
#define PORT_PS2_CTRLB 0x0061
#define PORT_PS2_STATUS 0x0064
#define PORT_CMOS_INDEX 0x0070
#define PORT_CMOS_DATA 0x0071
#define PORT_DIAG 0x0080
#define PORT_DMA_PAGE_2 0x0081
#define PORT_A20 0x0092
#define PORT_PIC2_CMD 0x00a0
#define PORT_PIC2_DATA 0x00a1
#define PORT_SMI_CMD 0x00b2
#define PORT_SMI_STATUS 0x00b3
#define PORT_DMA2_MASK_REG 0x00d4
#define PORT_DMA2_MODE_REG 0x00d6
#define PORT_DMA2_MASTER_CLEAR 0x00da
#define PORT_MATH_CLEAR 0x00f0
#define PORT_ATA2_CMD_BASE 0x0170
#define PORT_ATA1_CMD_BASE 0x01f0
#define PORT_LPT2 0x0278
#define PORT_SERIAL4 0x02e8
#define PORT_SERIAL2 0x02f8
#define PORT_ATA2_CTRL_BASE 0x0374
#define PORT_LPT1 0x0378
#define PORT_SERIAL3 0x03e8
#define PORT_ATA1_CTRL_BASE 0x03f4
#define PORT_FD_BASE 0x03f0
#define PORT_FD_DOR 0x03f2
#define PORT_FD_STATUS 0x03f4
#define PORT_FD_DATA 0x03f5
#define PORT_HD_DATA 0x03f6
#define PORT_FD_DIR 0x03f7
#define PORT_SERIAL1 0x03f8
#define PORT_PCI_CMD 0x0cf8
#define PORT_PCI_REBOOT 0x0cf9
#define PORT_PCI_DATA 0x0cfc
#define PORT_BIOS_DEBUG 0x0402
#define PORT_QEMU_CFG_CTL 0x0510
#define PORT_QEMU_CFG_DATA 0x0511
#define PORT_ACPI_PM_BASE 0xb000
#define PORT_SMB_BASE 0xb100
#define PORT_BIOS_APM 0x8900
// Serial port offsets
#define SEROFF_DATA 0
#define SEROFF_DLL 0
#define SEROFF_IER 1
#define SEROFF_DLH 1
#define SEROFF_IIR 2
#define SEROFF_LCR 3
#define SEROFF_LSR 5
#define SEROFF_MSR 6
// PORT_A20 bitdefs
#define A20_ENABLE_BIT 0x02
// PORT_CMOS_INDEX nmi disable bit
#define NMI_DISABLE_BIT 0x80
#ifndef __ASSEMBLY__
#include "types.h" // u8
static inline void outb(u8 value, u16 port) {
__asm__ __volatile__("outb %b0, %w1" : : "a"(value), "Nd"(port));
}
static inline void outw(u16 value, u16 port) {
__asm__ __volatile__("outw %w0, %w1" : : "a"(value), "Nd"(port));
}
static inline void outl(u32 value, u16 port) {
__asm__ __volatile__("outl %0, %w1" : : "a"(value), "Nd"(port));
}
static inline u8 inb(u16 port) {
u8 value;
__asm__ __volatile__("inb %w1, %b0" : "=a"(value) : "Nd"(port));
return value;
}
static inline u16 inw(u16 port) {
u16 value;
__asm__ __volatile__("inw %w1, %w0" : "=a"(value) : "Nd"(port));
return value;
}
static inline u32 inl(u16 port) {
u32 value;
__asm__ __volatile__("inl %w1, %0" : "=a"(value) : "Nd"(port));
return value;
}
static inline void insb(u16 port, u8 *data, u32 count) {
asm volatile("rep insb (%%dx), %%es:(%%edi)"
: "+c"(count), "+D"(data) : "d"(port) : "memory");
}
static inline void insw(u16 port, u16 *data, u32 count) {
asm volatile("rep insw (%%dx), %%es:(%%edi)"
: "+c"(count), "+D"(data) : "d"(port) : "memory");
}
static inline void insl(u16 port, u32 *data, u32 count) {
asm volatile("rep insl (%%dx), %%es:(%%edi)"
: "+c"(count), "+D"(data) : "d"(port) : "memory");
}
// XXX - outs not limited to es segment
static inline void outsb(u16 port, u8 *data, u32 count) {
asm volatile("rep outsb %%es:(%%esi), (%%dx)"
: "+c"(count), "+S"(data) : "d"(port) : "memory");
}
static inline void outsw(u16 port, u16 *data, u32 count) {
asm volatile("rep outsw %%es:(%%esi), (%%dx)"
: "+c"(count), "+S"(data) : "d"(port) : "memory");
}
static inline void outsl(u16 port, u32 *data, u32 count) {
asm volatile("rep outsl %%es:(%%esi), (%%dx)"
: "+c"(count), "+S"(data) : "d"(port) : "memory");
}
#endif // !__ASSEMBLY__
#endif // ioport.h
|
