Add device abstraction code for the UEFI Console and UEFI Shell-based file systems.

Make argv use narrow characters instead of wide characters. Add setenv functionality. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11907 6f19259b-4bc3-4df7-8a09-765794883524
2011-06-28 02:27:55 +00:00
parent 46293a4215
commit b00771f50a
6 changed files with 606 additions and 101 deletions
--- a/StdLibPrivateInternalFiles/Include/Device/Console.h
+++ b/StdLibPrivateInternalFiles/Include/Device/Console.h
@@ -0,0 +1,62 @@
+/** @file
+  Declarations and macros for the console abstraction.
+
+  Copyright (c) 2010 - 2011, 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
+  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.
+
+  Depends on <kfile.h>, <Device/Device.h>, <Protocol/SimpleTextIn.h>, <Uefi/UefiBaseType.h>
+**/
+#ifndef _DEVICE_UEFI_CONSOLE_H
+#define _DEVICE_UEFI_CONSOLE_H
+
+#include  <kfile.h>
+#include  <Device/Device.h>
+
+typedef struct {
+  UINT32    Column;
+  UINT32    Row;
+} CursorXY;
+
+typedef union {
+  UINT64      Offset;
+  CursorXY    XYpos;
+} XYoffset;
+
+/*  The members Cookie through Abstraction, inclusive, are the same type and order
+    for all instance structures.
+
+    All instance structures must be a multiple of sizeof(UINTN) bytes long
+*/
+typedef struct {
+  UINT32                      Cookie;       ///< Special value identifying this as a valid ConInstance
+  UINT32                      InstanceNum;  ///< Which instance is this?  Zero-based.
+  EFI_HANDLE                  Dev;          ///< Pointer to either Input or Output Protocol.
+  DeviceNode                 *Parent;       ///< Points to the parent Device Node.
+  struct fileops              Abstraction;  ///< Pointers to functions implementing this device's abstraction.
+  UINTN                       Reserved_1;   // Ensure that next member starts on an 8-byte boundary
+  UINT64                      NumRead;      ///< Number of characters Read.
+  UINT64                      NumWritten;   ///< Number of characters Written.
+  EFI_INPUT_KEY               UnGetKey;     ///< One-key pushback, for poll().
+  UINT32                      Reserved_2;   // Force the struct to be a multiple of 8-bytes long
+} ConInstance;
+
+__BEGIN_DECLS
+
+int
+EFIAPI
+da_ConOpen(
+  IN  struct __filedes   *filp,
+  IN  void               *DevInstance,
+  IN  CHAR16             *Path,
+  IN  CHAR16             *Flags
+);
+
+__END_DECLS
+
+#endif  /* _DEVICE_UEFI_CONSOLE_H */