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
137
138
139
140
141
142
| /** @file
|
| Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
| SPDX-License-Identifier: BSD-2-Clause-Patent
|
| **/
|
| #define TRACE_HUB_MASTER_NUM_ASL 32
| #define TRACE_HUB_CHANNEL_NUM_ASL 22
|
| //
| // @note Only include register definition macros in ASL.
| // GCC will leak C function definitions in to ASL
| // code, causing compilation errors in some cases.
| //
| #include <PchReservedResources.h>
| #include <Register/PchRegsTraceHub.h>
|
| Scope(\){
| // Check if Trace Hub is enabled
| Method (THEN, 0, Serialized) {
| OperationRegion (THBA, SystemMemory, PCH_TRACE_HUB_SW_BASE_ADDRESS, 0x10)
| Field (THBA, DWordAcc, NoLock, Preserve) {
| Offset (0x00),
| DO00, 32,
| }
| Return (LNotEqual(DO00, 0xFFFFFFFF))
| }
|
| // Trace Hub debug address
| // This is internal helper runtine of THDS
| // Arg0 : Master number
| // Arg1 : Channel number
| Method (THDA, 2, Serialized) {
| // Local0 = PCH_TRACE_HUB_SW_BASE_ADDRESS + 0x40 * (V_PCH_TRACE_HUB_MTB_CHLCNT * (Master - V_PCH_TRACE_HUB_MTB_STHMSTR)) + 0x40 * Channel;
| Store (PCH_TRACE_HUB_SW_BASE_ADDRESS, Local0)
| Add (Local0, Multiply (0x40, Multiply (V_PCH_TRACE_HUB_MTB_CHLCNT, Subtract (Arg0, V_PCH_TRACE_HUB_MTB_STHMSTR))), Local0)
| Add (Local0, Multiply (0x40, Arg1), Local0)
| Return (Local0)
| }
|
| // String to raw data
| // This is internal helper runtine of THDS
| // Arg0 : string
| // Arg1 : Index
| // Arg2 : size
| Method (STRD, 3, Serialized) {
| If (LGreater (Add (Arg1, Arg2), SizeOf (Arg0))) {
| Return (0)
| }
| // Local0 is return value
| // Lccal1 is loop index
| // Local2 is char of string
| // Local3 is buffer of string
| ToBuffer (Arg0, Local3)
| Store (0, Local0)
| Store (0, Local1)
| While (LLess (Local1, Arg2)) {
| Store (DeRefOf (Index (Local3, Add (Arg1, Local1))), Local2)
| Add (Local0, ShiftLeft (Local2, Multiply (8, Local1)), Local0)
| Increment (Local1)
| }
| Return (Local0)
| }
|
| // Trace Hub debug string
| // Arg0 : debug string
| Method (THDS, 1, Serialized) {
| // TH check if enabled.
| If (LNot (THEN())) {
| Return
| }
|
| // Local0 is the length of string
| // Local1 is the debug base address
| Store (Sizeof (Arg0), Local0)
| Store (THDA (TRACE_HUB_MASTER_NUM_ASL, TRACE_HUB_CHANNEL_NUM_ASL), Local1)
| OperationRegion (THBA, SystemMemory, local1, 0x40)
| Field (THBA, QWordAcc, NoLock, Preserve) {
| Offset (0x00),
| QO00, 64,
| }
| Field (THBA, DWordAcc, NoLock, Preserve) {
| Offset (0x00),
| DO00, 32,
| Offset (0x10),
| DO10, 32,
| offset (0x30),
| DO30, 32,
| }
| Field (THBA, WordAcc, NoLock, Preserve) {
| Offset (0x00),
| WO00, 16,
| }
| Field (THBA, ByteAcc, NoLock, Preserve) {
| Offset (0x00),
| BO00, 8,
| }
|
| // time stamp
| Store (0x01000242, DO10)
| // length of string
| Store (Local0, WO00)
| // string
| Store (0, Local6)
| Store (Local0, Local7)
| while (LGreaterEqual(Local7, 8)) {
| Store (STRD (Arg0, Local6, 8), QO00)
| Add (Local6, 8, Local6)
| Subtract (Local7, 8, Local7)
| }
| If (LGreaterEqual(Local7, 4)) {
| Store (STRD (Arg0, Local6, 4), DO00)
| Add (Local6, 4, Local6)
| Subtract (Local7, 4, Local7)
| }
| If (LGreaterEqual(Local7, 2)) {
| Store (STRD (Arg0, Local6, 2), WO00)
| Add (Local6, 2, Local6)
| Subtract (Local7, 2, Local7)
| }
| If (LGreaterEqual(Local7, 1)) {
| Store (STRD (Arg0, Local6, 1), BO00)
| Add (Local6, 1, Local6)
| Subtract (Local7, 1, Local7)
| }
| // flag
| Store (0, DO30)
| }
|
| // Trace Hub debug Hex string
| // Arg0 : Integer, buffer
| Method (THDH, 1, Serialized) {
| THDS (ToHexString (Arg0))
| }
|
| // Trace Hub debug decimal string
| // Arg0 : Integer, buffer
| Method (THDD, 1, Serialized) {
| THDS (ToDecimalString (Arg0))
| }
| }
|
|
