summaryrefslogtreecommitdiffstats
path: root/qemu/roms/seabios/src/std/mptable.h
blob: fa6a229499d53f970fde23040ba9e30416ca2e59 (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
#ifndef __MPTABLE_H
#define __MPTABLE_H

#include "types.h" // u32

#define MPTABLE_SIGNATURE 0x5f504d5f  // "_MP_"

struct mptable_floating_s {
    u32 signature;
    u32 physaddr;
    u8 length;
    u8 spec_rev;
    u8 checksum;
    u8 feature1;
    u8 feature2;
    u8 reserved[3];
};

#define MPCONFIG_SIGNATURE 0x504d4350  // "PCMP"

struct mptable_config_s {
    u32 signature;
    u16 length;
    u8 spec;
    u8 checksum;
    char oemid[8];
    char productid[12];
    u32 oemptr;
    u16 oemsize;
    u16 entrycount;
    u32 lapic;
    u16 exttable_length;
    u8 exttable_checksum;
    u8 reserved;
} PACKED;

#define MPT_TYPE_CPU 0
#define MPT_TYPE_BUS 1
#define MPT_TYPE_IOAPIC 2
#define MPT_TYPE_INTSRC 3
#define MPT_TYPE_LOCAL_INT 4

struct mpt_cpu {
    u8 type;
    u8 apicid;
    u8 apicver;
    u8 cpuflag;
    u32 cpusignature;
    u32 featureflag;
    u32 reserved[2];
} PACKED;

struct mpt_bus {
    u8 type;
    u8 busid;
    char bustype[6];
} PACKED;

struct mpt_ioapic {
    u8 type;
    u8 apicid;
    u8 apicver;
    u8 flags;
    u32 apicaddr;
} PACKED;

struct mpt_intsrc {
    u8 type;
    u8 irqtype;
    u16 irqflag;
    u8 srcbus;
    u8 srcbusirq;
    u8 dstapic;
    u8 dstirq;
} PACKED;

#endif // mptable.h