From 680742607132a7733880407453b5f792699d7143 Mon Sep 17 00:00:00 2001
From: Ronald Cron <Ronald.Cron@arm.com>
Date: Wed, 15 Jul 2015 15:39:53 +0000
Subject: ShellPkg: Add optional 'tftp' EFI Shell command

This 'tftp' command allows to download a file from a TFTP server.
A specific network interface can be chosen in case there are multiple
interfaces.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ronald Cron <Ronald.Cron@arm.com>
Reviewed-by: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18015 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../UefiShellTftpCommandLib.c                      | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 ShellPkg/Library/UefiShellTftpCommandLib/UefiShellTftpCommandLib.c

(limited to 'ShellPkg/Library/UefiShellTftpCommandLib/UefiShellTftpCommandLib.c')

diff --git a/ShellPkg/Library/UefiShellTftpCommandLib/UefiShellTftpCommandLib.c b/ShellPkg/Library/UefiShellTftpCommandLib/UefiShellTftpCommandLib.c
new file mode 100644
index 0000000000..22c81b8d2a
--- /dev/null
+++ b/ShellPkg/Library/UefiShellTftpCommandLib/UefiShellTftpCommandLib.c
@@ -0,0 +1,97 @@
+/** @file
+  Main file for NULL named library for 'tftp' Shell command functions.
+
+  Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2015, ARM Ltd. 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
+  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.
+
+**/
+#include "UefiShellTftpCommandLib.h"
+
+CONST CHAR16 gShellTftpFileName[] = L"ShellCommand";
+EFI_HANDLE gShellTftpHiiHandle = NULL;
+
+/**
+  Return the file name of the help text file if not using HII.
+
+  @return The string pointer to the file name.
+**/
+CONST CHAR16*
+EFIAPI
+ShellCommandGetManFileNameTftp (
+  VOID
+  )
+{
+  return gShellTftpFileName;
+}
+
+/**
+  Constructor for the Shell Tftp Command library.
+
+  Install the handlers for Tftp UEFI Shell command.
+
+  @param ImageHandle            The image handle of the process.
+  @param SystemTable            The EFI System Table pointer.
+
+  @retval EFI_SUCCESS           The Shell command handlers were installed sucessfully.
+  @retval EFI_UNSUPPORTED       The Shell level required was not found.
+**/
+EFI_STATUS
+EFIAPI
+ShellTftpCommandLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  gShellTftpHiiHandle = NULL;
+
+  //
+  // check our bit of the profiles mask
+  //
+  if ((PcdGet8 (PcdShellProfileMask) & BIT3) == 0) {
+    return EFI_SUCCESS;
+  }
+
+  gShellTftpHiiHandle = HiiAddPackages (
+                          &gShellTftpHiiGuid, gImageHandle,
+                          UefiShellTftpCommandLibStrings, NULL
+                          );
+  if (gShellTftpHiiHandle == NULL) {
+    return EFI_DEVICE_ERROR;
+  }
+  //
+  // Install our Shell command handler
+  //
+  ShellCommandRegisterCommandName (
+     L"tftp", ShellCommandRunTftp, ShellCommandGetManFileNameTftp, 0,
+     L"tftp", TRUE , gShellTftpHiiHandle, STRING_TOKEN (STR_GET_HELP_TFTP)
+     );
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Destructor for the library.  free any resources.
+
+  @param ImageHandle            The image handle of the process.
+  @param SystemTable            The EFI System Table pointer.
+**/
+EFI_STATUS
+EFIAPI
+ShellTftpCommandLibDestructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  if (gShellTftpHiiHandle != NULL) {
+    HiiRemovePackages (gShellTftpHiiHandle);
+  }
+  return EFI_SUCCESS;
+}
-- 
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