diff options
Diffstat (limited to 'SourceLevelDebugPkg/DebugAgentDxe')
| -rw-r--r-- | SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.c b/SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.c index a55c5eb..f5ae59f 100644 --- a/SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.c +++ b/SourceLevelDebugPkg/DebugAgentDxe/DebugAgentDxe.c @@ -1,7 +1,7 @@ /** @file
Initialize Debug Agent in DXE by invoking Debug Agent Library.
-Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2013 - 2015, 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
@@ -16,6 +16,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Guid/EventGroup.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugAgentLib.h>
+#include <Library/UefiLib.h>
EFI_EVENT mExitBootServiceEvent;
@@ -58,11 +59,42 @@ DebugAgentDxeInitialize( {
EFI_STATUS Status;
+ if (gST->ConOut != NULL) {
+ Print (L"If the Debug Port is serial port, please make sure this serial port isn't connected by");
+ Print (L" ISA Serial driver\r\n");
+ Print (L"You could do the following steps to disconnect the serial port:\r\n");
+ Print (L"1: Shell> drivers\r\n");
+ Print (L" ...\r\n");
+ Print (L" V VERSION E G G #D #C DRIVER NAME IMAGE NAME\r\n");
+ Print (L" == ======== = = = == == =================================== ===================\r\n");
+ Print (L" 8F 0000000A B - - 1 14 PCI Bus Driver PciBusDxe\r\n");
+ Print (L" 91 00000010 ? - - - - ATA Bus Driver AtaBusDxe\r\n");
+ Print (L" ...\r\n");
+ Print (L" A7 0000000A B - - 1 1 ISA Serial Driver IsaSerialDxe\r\n");
+ Print (L" ...\r\n");
+ Print (L"2: Shell> dh -d A7\r\n");
+ Print (L" A7: Image(IsaSerialDxe) ImageDevPath (..9FB3-11D4-9A3A-0090273FC14D))DriverBinding");
+ Print (L" ComponentName ComponentName2\r\n");
+ Print (L" Driver Name : ISA Serial Driver\r\n");
+ Print (L" Image Name : FvFile(93B80003-9FB3-11D4-9A3A-0090273FC14D)\r\n");
+ Print (L" Driver Version : 0000000A\r\n");
+ Print (L" Driver Type : BUS\r\n");
+ Print (L" Configuration : NO\r\n");
+ Print (L" Diagnostics : NO\r\n");
+ Print (L" Managing :\r\n");
+ Print (L" Ctrl[EA] : PciRoot(0x0)/Pci(0x1F,0x0)/Serial(0x0)\r\n");
+ Print (L" Child[EB] : PciRoot(0x0)/Pci(0x1F,0x0)/Serial(0x0)/Uart(115200,8,N,1)\r\n");
+ Print (L"3: Shell> disconnect EA\r\n");
+ Print (L"4: Shell> load -nc DebugAgentDxe.efi\r\n\r\n");
+ }
Status = EFI_UNSUPPORTED;
InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_LOAD, &Status, NULL);
if (EFI_ERROR (Status)) {
return Status;
}
+ if (gST->ConOut != NULL) {
+ Print (L"Debug Agent: Initialized successfully!\r\n\r\n");
+ }
//
// Create event to disable Debug Timer interrupt when exit boot service.
//
@@ -98,6 +130,14 @@ DebugAgentDxeUnload ( Status = EFI_UNSUPPORTED;
InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_UNLOAD, &Status, NULL);
+ switch (Status) {
+ case EFI_ACCESS_DENIED:
+ Print (L"Debug Agent: Host is still connected, please de-attach TARGET firstly!\r\n");
+ break;
+ case EFI_NOT_STARTED:
+ Print (L"Debug Agent: It hasn't been initialized, cannot unload it!\r\n");
+ break;
+ }
return Status;
}
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