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Diffstat (limited to 'Omap35xxPkg/Library/GdbSerialLib/GdbSerialLib.c')
-rw-r--r--Omap35xxPkg/Library/GdbSerialLib/GdbSerialLib.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/Omap35xxPkg/Library/GdbSerialLib/GdbSerialLib.c b/Omap35xxPkg/Library/GdbSerialLib/GdbSerialLib.c
new file mode 100644
index 0000000000..9d5f429e2d
--- /dev/null
+++ b/Omap35xxPkg/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++;
+ }
+}
+
+
+
+