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
|
#pragma once
#include <stdint.h>
typedef struct __attribute__((packed))
{
uint8_t signature[8];
uint8_t checksum;
uint8_t OEMID[6];
uint8_t revision;
uint32_t deprecated;
uint32_t length;
uint64_t xsdtaddress;
uint8_t extendedchecksum;
uint8_t reserved[3];
} XSDP;
typedef struct __attribute__((packed))
{
uint8_t signature[4];
uint32_t length;
uint8_t revision;
uint8_t checksum;
uint8_t OEMID[6];
uint8_t OEMTableId[8];
uint32_t OEMRevision;
uint32_t creatorID;
uint32_t creatorrevision;
} ACPISDTHeader;
typedef struct __attribute__((packed))
{
uint8_t siganture[4];
uint32_t length;
uint8_t revision;
uint8_t checksum;
uint8_t OEMID[6];
uint8_t OEMTableId[8];
uint32_t OEMRevision;
uint32_t creatorID;
uint32_t creatorrevision;
// APIC Fields
uint32_t l_ic_addr;
uint32_t flags;
} APICHeader; // At 44 byte starts the variable part;
typedef struct __attribute__((packed))
{
uint8_t type;
uint8_t length;
} APICEntry;
typedef struct __attribute__((packed))
{
uint8_t type;
uint8_t length;
uint8_t id;
uint8_t rsv;
uint32_t addr;
uint32_t si_base;
} IOAPICTable;
enum ACPI_TABLES
{
APIC, // <- MADT
BGRT,
BERT,
CPEP,
DSDT,
ECDT,
EINJ,
ERST,
FACP, // <- FADT
FACS,
HEST,
MSCT,
MPST,
OEMx,
PMTT,
PSDT,
RASF,
RSDT,
SBST,
SLIT,
SRAT,
SSDT,
XSDT,
HPET,
NONE
};
enum APIC_TYPE
{
LAPIC = 0,
IOAPIC = 1,
ISO = 2,
NMI_S = 3,
LAPIC_NMI = 4,
LAPIC_AO = 5,
IOSAPIC = 6,
LSAPIC = 7,
PIS = 8,
PLX2APIC = 9,
LX2APIC_NMI = 0xA,
GICC = 0xB,
GICD = 0xC,
GIC_MSI_FRAME = 0xD,
GICR = 0xE,
GIC_ITS = 0xF,
MP_WAKEUP = 0x10,
CORE_PIC = 0x11,
LIO_PIC = 0x12,
HT_PIC = 0x13,
EIO_PIC = 0x14,
MSI_PIC = 0x15,
BIO_PIC = 0x16,
LPC_PIC = 0x17,
RINTC = 0x18,
IMSIC = 0x19,
APLIC = 0x20,
PLIC = 0x21
};
void init_acpi(XSDP* xsdp);
|
