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/** @file
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#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))
}
}
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