2 files changed, 132 insertions, 0 deletions
diff --git a/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.c b/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.c
new file mode 100644
index 0000000000..9d5f429e2d
--- /dev/null
+++ b/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.c
@@ -0,0 +1,103 @@
+/** @file
+  Basic serial IO abstaction for GDB
+
+  Copyright (c) 2008-2009, Apple Inc. All rights reserved.
+  
+  All rights reserved. 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 <Uefi.h>
+#include <Library/GdbSerialLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+#include <Library/OmapLib.h>
+#include <Omap3530/Omap3530.h>
+
+RETURN_STATUS
+EFIAPI
+GdbSerialLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  return RETURN_SUCCESS;
+}
+
+RETURN_STATUS
+EFIAPI
+GdbSerialInit (
+  IN UINT64     BaudRate, 
+  IN UINT8      Parity, 
+  IN UINT8      DataBits, 
+  IN UINT8      StopBits 
+  )
+{
+  return RETURN_SUCCESS;
+}
+
+BOOLEAN
+EFIAPI
+GdbIsCharAvailable (
+  VOID
+  )  
+{
+  UINT32 LSR = UartBase(PcdGet32(PcdBeagleConsoleUart)) + UART_LSR_REG;
+
+  if ((MmioRead8(LSR) & UART_LSR_RX_FIFO_E_MASK) == UART_LSR_RX_FIFO_E_NOT_EMPTY) {
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}
+
+CHAR8
+EFIAPI
+GdbGetChar (
+  VOID
+  )
+{
+  UINT32  LSR = UartBase(PcdGet32(PcdBeagleConsoleUart)) + UART_LSR_REG;
+  UINT32  RBR = UartBase(PcdGet32(PcdBeagleConsoleUart)) + UART_RBR_REG;
+  CHAR8   Char;
+    
+  while ((MmioRead8(LSR) & UART_LSR_RX_FIFO_E_MASK) == UART_LSR_RX_FIFO_E_EMPTY);
+  Char = MmioRead8(RBR);
+
+  return Char;
+}
+
+VOID
+EFIAPI
+GdbPutChar (
+  IN  CHAR8   Char
+  )
+{
+  UINT32  LSR = UartBase(PcdGet32(PcdBeagleConsoleUart)) + UART_LSR_REG;
+  UINT32  THR = UartBase(PcdGet32(PcdBeagleConsoleUart)) + UART_THR_REG;
+    
+  while ((MmioRead8(LSR) & UART_LSR_TX_FIFO_E_MASK) == UART_LSR_TX_FIFO_E_NOT_EMPTY);
+  MmioWrite8(THR, Char);
+}
+
+VOID
+GdbPutString (
+  IN CHAR8  *String
+  )
+{
+  while (*String != '\0') {
+    GdbPutChar (*String);
+    String++;
+  }
+}
+
+
+
+
diff --git a/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.inf b/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.inf
new file mode 100644
index 0000000000..c8e6859023
--- /dev/null
+++ b/BeagleBoardPkg/Library/GdbSerialLib/GdbSerialLib.inf
@@ -0,0 +1,29 @@
+#%HEADER%
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = GdbSerialLib
+  FILE_GUID                      = E2423349-EF5D-439B-95F5-8B8D8E3B443F
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = GdbSerialLib
+
+  CONSTRUCTOR                    = GdbSerialLibConstructor
+
+
+[Sources.common]
+  GdbSerialLib.c
+
+
+[Packages]
+  MdePkg/MdePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  BeagleBoardPkg/BeagleBoardPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  IoLib
+  OmapLib    
+
+[FixedPcd]
+  gBeagleBoardTokenSpaceGuid.PcdBeagleConsoleUart
+