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| /**@file
| Trace Hub debug library for ASL code.
|
| Copyright (c) 2017, 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
|
| 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
| }
| // Adding newline at the end of the string
| Concatenate (Arg0, "\n", local2)
|
| // Local0 is the length of string
| // Local1 is the debug base address
| // Local2 is the debug string with "\n"
| Store (Sizeof (local2), 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 (local2, Local6, 8), QO00)
| Add (Local6, 8, Local6)
| Subtract (Local7, 8, Local7)
| }
| If (LGreaterEqual(Local7, 4)) {
| Store (STRD (local2, Local6, 4), DO00)
| Add (Local6, 4, Local6)
| Subtract (Local7, 4, Local7)
| }
| If (LGreaterEqual(Local7, 2)) {
| Store (STRD (local2, Local6, 2), WO00)
| Add (Local6, 2, Local6)
| Subtract (Local7, 2, Local7)
| }
| If (LGreaterEqual(Local7, 1)) {
| Store (STRD (local2, 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))
| }
| }
|
|
