Re: [PATCH] ArmPlatformPkg/EblCmdLib: remove dependency on deprecared ARM BdsLib

[Ard Biesheuvel <ard.biesheuvel@linaro.org>]

On 11 April 2017 at 12:18, Evan Lloyd <Evan.Lloyd@arm.com> wrote:
> Minor typo in title: "deprecared" should probably be deprecated?
>

Thanks Evan -- I spotted that myself, so I managed to fix it before pushing.


> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Ard Biesheuvel
> Sent: 11 April 2017 10:15
> To: edk2-devel@lists.01.org; leif.lindholm@linaro.org
> Cc: ryan.harkin@linaro.org; ard.biesheuvel@linaro.org
> Subject: [edk2] [PATCH] ArmPlatformPkg/EblCmdLib: remove dependency on deprecared ARM BdsLib
>
> The EBL alternative shell depends indirectly on the deprecated ARM BdsLib via EblCmdLib, which only uses a single helper function that can easily be cloned. So clone it, and remove the dependency.
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
>  ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c   | 49 +++++++++++++++++++-
>  ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf |  1 -
>  2 files changed, 48 insertions(+), 2 deletions(-)
>
> diff --git a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c
> index 4a5f2be3947e..5bcd750bf9f8 100644
> --- a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c
> +++ b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c
> @@ -50,6 +50,53 @@ EblDumpFdt (
>    );
>
>  /**
> +  Connect all DXE drivers
> +
> +  @retval EFI_SUCCESS           All drivers have been connected
> +  @retval EFI_NOT_FOUND         No handles match the search.
> +  @retval EFI_OUT_OF_RESOURCES  There is not resource pool memory to store the matching results.
> +
> +**/
> +STATIC
> +EFI_STATUS
> +ConnectAllDrivers (
> +  VOID
> +  )
> +{
> +  UINTN                     HandleCount, Index;
> +  EFI_HANDLE                *HandleBuffer;
> +  EFI_STATUS                Status;
> +
> +  do {
> +    // Locate all the driver handles
> +    Status = gBS->LocateHandleBuffer (
> +                AllHandles,
> +                NULL,
> +                NULL,
> +                &HandleCount,
> +                &HandleBuffer
> +                );
> +    if (EFI_ERROR (Status)) {
> +      break;
> +    }
> +
> +    // Connect every handles
> +    for (Index = 0; Index < HandleCount; Index++) {
> +      gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
> +    }
> +
> +    if (HandleBuffer != NULL) {
> +      FreePool (HandleBuffer);
> +    }
> +
> +    // Check if new handles have been created after the start of the previous handles
> +    Status = gDS->Dispatch ();
> +  } while (!EFI_ERROR(Status));
> +
> +  return EFI_SUCCESS;
> +}
> +
> +/**
>    Simple arm disassembler via a library
>
>    Argv[0] - symboltable
> @@ -393,7 +440,7 @@ EblDevicePaths (
>    EFI_DEVICE_PATH_PROTOCOL*          DevicePathProtocol;
>    EFI_DEVICE_PATH_TO_TEXT_PROTOCOL*  DevicePathToTextProtocol;
>
> -  BdsConnectAllDrivers();
> +  ConnectAllDrivers();
>
>    Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
>    if (EFI_ERROR (Status)) {
> diff --git a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf
> index c4b2ae1f6473..f33456abf3c2 100644
> --- a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf
> +++ b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf
> @@ -51,7 +51,6 @@ [LibraryClasses]
>    ArmDisassemblerLib
>    PerformanceLib
>    TimerLib
> -  BdsLib
>    FdtLib
>
>  [Protocols]
> --
> 2.9.3
>
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