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[edk2] [PATCH] MdePkg/DevicePathLib: Reverse the byte order of BD_ADDR for Bluetooth

Hao Wu posted 1 patch 6 years, 10 months ago
Failed in applying to current master (apply log)
MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c | 37 ++++++--------------
MdePkg/Library/UefiDevicePathLib/DevicePathToText.c   | 12 +++----
2 files changed, 17 insertions(+), 32 deletions(-)
[edk2] [PATCH] MdePkg/DevicePathLib: Reverse the byte order of BD_ADDR for Bluetooth
Posted by Hao Wu 6 years, 10 months ago 
For the following two functions:
DevPathFromTextBluetooth()
DevPathToTextBluetooth()

The Bluetooth device address "UINT8  Address[6]" is displayed with the
order from Address[5] to Address[0]. This commit reverses the order.

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
---
 MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c | 37 ++++++--------------
 MdePkg/Library/UefiDevicePathLib/DevicePathToText.c   | 12 +++----
 2 files changed, 17 insertions(+), 32 deletions(-)

diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index 4322b6c0f2..187c1cc4dc 100644
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -2635,35 +2635,20 @@ DevPathFromTextBluetooth (
   )
 {
   CHAR16                  *BluetoothStr;
-  CHAR16                  *Walker;
-  CHAR16                  *TempNumBuffer;
-  UINTN                   TempBufferSize;
-  INT32                   Index;
   BLUETOOTH_DEVICE_PATH   *BluetoothDp;
 
   BluetoothStr = GetNextParamStr (&TextDeviceNode);
-  BluetoothDp = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
-                                   MESSAGING_DEVICE_PATH,
-                                   MSG_BLUETOOTH_DP,
-                                   (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
-                                   );
-
-  Index = sizeof (BLUETOOTH_ADDRESS) - 1;
-  Walker = BluetoothStr;
-  while (!IS_NULL(*Walker) && Index >= 0) {
-    TempBufferSize = 2 * sizeof(CHAR16) + StrSize(L"0x");
-    TempNumBuffer = AllocateZeroPool (TempBufferSize);
-    if (TempNumBuffer == NULL) {
-      break;
-    }
-    StrCpyS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), L"0x");
-    StrnCatS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), Walker, 2);
-    BluetoothDp->BD_ADDR.Address[Index] = (UINT8)Strtoi (TempNumBuffer);
-    FreePool (TempNumBuffer);
-    Walker += 2;
-    Index--;
-  }
-  
+  BluetoothDp  = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
+                                             MESSAGING_DEVICE_PATH,
+                                             MSG_BLUETOOTH_DP,
+                                             (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
+                                             );
+  StrHexToBytes (
+    BluetoothStr,
+    sizeof (BLUETOOTH_ADDRESS) * 2,
+    BluetoothDp->BD_ADDR.Address,
+    sizeof (BLUETOOTH_ADDRESS)
+    );
   return (EFI_DEVICE_PATH_PROTOCOL *) BluetoothDp;
 }
 
diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
index 87eca23526..f45d3dd338 100644
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
@@ -2,7 +2,7 @@
   DevicePathToText protocol as defined in the UEFI 2.0 specification.
 
   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
-Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2013 - 2017, 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
 which accompanies this distribution.  The full text of the license may be found at
@@ -1618,12 +1618,12 @@ DevPathToTextBluetooth (
   UefiDevicePathLibCatPrint (
     Str,
     L"Bluetooth(%02x%02x%02x%02x%02x%02x)",
-    Bluetooth->BD_ADDR.Address[5],
-    Bluetooth->BD_ADDR.Address[4],
-    Bluetooth->BD_ADDR.Address[3],
-    Bluetooth->BD_ADDR.Address[2],
+    Bluetooth->BD_ADDR.Address[0],
     Bluetooth->BD_ADDR.Address[1],
-    Bluetooth->BD_ADDR.Address[0]
+    Bluetooth->BD_ADDR.Address[2],
+    Bluetooth->BD_ADDR.Address[3],
+    Bluetooth->BD_ADDR.Address[4],
+    Bluetooth->BD_ADDR.Address[5]
     );
 }
 
-- 
2.12.0.windows.1

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Re: [edk2] [PATCH] MdePkg/DevicePathLib: Reverse the byte order of BD_ADDR for Bluetooth
Posted by Ni, Ruiyu 6 years, 10 months ago 
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

Thanks/Ray

> -----Original Message-----
> From: Wu, Hao A
> Sent: Saturday, May 27, 2017 10:32 AM
> To: edk2-devel@lists.01.org
> Cc: Wu, Hao A <hao.a.wu@intel.com>; Ni, Ruiyu <ruiyu.ni@intel.com>;
> Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <liming.gao@intel.com>
> Subject: [PATCH] MdePkg/DevicePathLib: Reverse the byte order of
> BD_ADDR for Bluetooth
> 
> For the following two functions:
> DevPathFromTextBluetooth()
> DevPathToTextBluetooth()
> 
> The Bluetooth device address "UINT8  Address[6]" is displayed with the
> order from Address[5] to Address[0]. This commit reverses the order.
> 
> Cc: Ruiyu Ni <ruiyu.ni@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Hao Wu <hao.a.wu@intel.com>
> ---
>  MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c | 37 ++++++------
> --------
>  MdePkg/Library/UefiDevicePathLib/DevicePathToText.c   | 12 +++----
>  2 files changed, 17 insertions(+), 32 deletions(-)
> 
> diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
> b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
> index 4322b6c0f2..187c1cc4dc 100644
> --- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
> +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
> @@ -2635,35 +2635,20 @@ DevPathFromTextBluetooth (
>    )
>  {
>    CHAR16                  *BluetoothStr;
> -  CHAR16                  *Walker;
> -  CHAR16                  *TempNumBuffer;
> -  UINTN                   TempBufferSize;
> -  INT32                   Index;
>    BLUETOOTH_DEVICE_PATH   *BluetoothDp;
> 
>    BluetoothStr = GetNextParamStr (&TextDeviceNode);
> -  BluetoothDp = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
> -                                   MESSAGING_DEVICE_PATH,
> -                                   MSG_BLUETOOTH_DP,
> -                                   (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
> -                                   );
> -
> -  Index = sizeof (BLUETOOTH_ADDRESS) - 1;
> -  Walker = BluetoothStr;
> -  while (!IS_NULL(*Walker) && Index >= 0) {
> -    TempBufferSize = 2 * sizeof(CHAR16) + StrSize(L"0x");
> -    TempNumBuffer = AllocateZeroPool (TempBufferSize);
> -    if (TempNumBuffer == NULL) {
> -      break;
> -    }
> -    StrCpyS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), L"0x");
> -    StrnCatS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), Walker, 2);
> -    BluetoothDp->BD_ADDR.Address[Index] = (UINT8)Strtoi
> (TempNumBuffer);
> -    FreePool (TempNumBuffer);
> -    Walker += 2;
> -    Index--;
> -  }
> -
> +  BluetoothDp  = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
> +                                             MESSAGING_DEVICE_PATH,
> +                                             MSG_BLUETOOTH_DP,
> +                                             (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
> +                                             );
> +  StrHexToBytes (
> +    BluetoothStr,
> +    sizeof (BLUETOOTH_ADDRESS) * 2,
> +    BluetoothDp->BD_ADDR.Address,
> +    sizeof (BLUETOOTH_ADDRESS)
> +    );
>    return (EFI_DEVICE_PATH_PROTOCOL *) BluetoothDp;
>  }
> 
> diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
> b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
> index 87eca23526..f45d3dd338 100644
> --- a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
> +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
> @@ -2,7 +2,7 @@
>    DevicePathToText protocol as defined in the UEFI 2.0 specification.
> 
>    (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
> -Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2013 - 2017, 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
>  which accompanies this distribution.  The full text of the license may be
> found at
> @@ -1618,12 +1618,12 @@ DevPathToTextBluetooth (
>    UefiDevicePathLibCatPrint (
>      Str,
>      L"Bluetooth(%02x%02x%02x%02x%02x%02x)",
> -    Bluetooth->BD_ADDR.Address[5],
> -    Bluetooth->BD_ADDR.Address[4],
> -    Bluetooth->BD_ADDR.Address[3],
> -    Bluetooth->BD_ADDR.Address[2],
> +    Bluetooth->BD_ADDR.Address[0],
>      Bluetooth->BD_ADDR.Address[1],
> -    Bluetooth->BD_ADDR.Address[0]
> +    Bluetooth->BD_ADDR.Address[2],
> +    Bluetooth->BD_ADDR.Address[3],
> +    Bluetooth->BD_ADDR.Address[4],
> +    Bluetooth->BD_ADDR.Address[5]
>      );
>  }
> 
> --
> 2.12.0.windows.1

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