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Enhance BMM to support changing FlowControl setting in Front Page.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11317 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2011-02-16 05:31:39 +00:00
parent ad0ecbcf79
commit 8e491a81e0
8 changed files with 137 additions and 6 deletions
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87
IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c
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@@ -14,6 +14,37 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "BootMaint.h"
UART_FLOW_CONTROL_DEVICE_PATH mFlowControlDevicePath =
{
MESSAGING_DEVICE_PATH,
MSG_VENDOR_DP,
(UINT8)(sizeof(UART_FLOW_CONTROL_DEVICE_PATH)),
(UINT8)((sizeof(UART_FLOW_CONTROL_DEVICE_PATH)) >> 8),
DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL,
UART_FLOW_CONTROL_HARDWARE
};
/**
Check the device path node whether it's the Flow Control node or not.
@param[in] FlowControl The device path node to be checked.
@retval TRUE It's the Flow Control node.
@retval FALSE It's not.
**/
BOOLEAN
IsUartFlowControlNode (
IN UART_FLOW_CONTROL_DEVICE_PATH *FlowControl
)
{
return (BOOLEAN) (
(DevicePathType (FlowControl) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType (FlowControl) == MSG_VENDOR_DP) &&
(CompareGuid (&FlowControl->Guid, &gEfiUartDevicePathGuid))
);
}
/**
Check whether the device path node is ISA Serial Node.
@@ -62,7 +93,7 @@ UpdateComAttributeFromVariable (
**/
EFI_STATUS
IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath,
ChangeTerminalDevicePath (
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
IN BOOLEAN ChangeTerminal
)
@@ -74,8 +105,9 @@ ChangeTerminalDevicePath (
UART_DEVICE_PATH *Uart1;
UINTN Com;
BM_TERMINAL_CONTEXT *NewTerminalContext;
BM_MENU_ENTRY *NewMenuEntry;
UART_FLOW_CONTROL_DEVICE_PATH *FlowControlNode;
Node = DevicePath;
Node = *DevicePath;
Node = NextDevicePathNode (Node);
Com = 0;
@@ -112,6 +144,23 @@ ChangeTerminalDevicePath (
&Uart->StopBits,
&NewTerminalContext->StopBits,
sizeof (UINT8)
);
FlowControlNode = (UART_FLOW_CONTROL_DEVICE_PATH *) NextDevicePathNode (Node);
if (IsUartFlowControlNode (FlowControlNode)) {
FlowControlNode->FlowControlMap = NewTerminalContext->FlowControl;
} else {
//
// Append the Flow control device node when user enable flow control.
//
if (NewTerminalContext->FlowControl != 0) {
mFlowControlDevicePath.FlowControlMap = NewTerminalContext->FlowControl;
*DevicePath = AppendDevicePathNode (
*DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) (&mFlowControlDevicePath)
);
}
}
//
// Change the device path in the ComPort
@@ -372,6 +421,7 @@ LocateSerialIo (
BM_MENU_ENTRY *NewMenuEntry;
BM_TERMINAL_CONTEXT *NewTerminalContext;
EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
VENDOR_DEVICE_PATH Vendor;
UINT32 FlowControl;
//
// Get all handles that have SerialIo protocol installed
@@ -470,6 +520,13 @@ LocateSerialIo (
&NewTerminalContext->StopBits,
&SerialIo->Mode->StopBits,
sizeof (UINT8)
);
NewTerminalContext->FlowControl = 0;
SerialIo->GetControl(SerialIo, &FlowControl);
if ((FlowControl & EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE) != 0) {
NewTerminalContext->FlowControl = UART_FLOW_CONTROL_HARDWARE;
}
InsertTailList (&TerminalMenu.Head, &NewMenuEntry->Link);
TerminalMenu.MenuNumber++;
@@ -570,7 +627,10 @@ UpdateComAttributeFromVariable (
UINTN TerminalNumber;
BM_MENU_ENTRY *NewMenuEntry;
BM_TERMINAL_CONTEXT *NewTerminalContext;
UINTN Index;
UART_FLOW_CONTROL_DEVICE_PATH *FlowControlNode;
BOOLEAN HasFlowControlNode;
HasFlowControlNode = FALSE;
Node = DevicePath;
Node = NextDevicePathNode (Node);
@@ -613,6 +673,17 @@ UpdateComAttributeFromVariable (
&Uart->StopBits,
sizeof (UINT8)
);
FlowControlNode = (UART_FLOW_CONTROL_DEVICE_PATH *) NextDevicePathNode (Node);
if (IsUartFlowControlNode (FlowControlNode)) {
HasFlowControlNode = TRUE;
NewTerminalContext->FlowControl = (UINT8) ReadUnaligned32 (&FlowControlNode->FlowControlMap);
} else if (NewTerminalContext->FlowControl != 0) {
//
// No Flow Control device path node, assumption no Flow control
//
NewTerminalContext->FlowControl = 0;
}
SerialNode = NewTerminalContext->DevicePath;
SerialNode = NextDevicePathNode (SerialNode);
@@ -644,6 +715,18 @@ UpdateComAttributeFromVariable (
&NewTerminalContext->StopBits,
sizeof (UINT8)
);
FlowControlNode = (UART_FLOW_CONTROL_DEVICE_PATH *) NextDevicePathNode (SerialNode);
if (IsUartFlowControlNode (FlowControlNode)) {
FlowControlNode->FlowControlMap = NewTerminalContext->FlowControl;
} else {
if (HasFlowControlNode) {
mFlowControlDevicePath.FlowControlMap = NewTerminalContext->FlowControl;
NewTerminalContext->DevicePath = AppendDevicePathNode (
NewTerminalContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) (&mFlowControlDevicePath)
);
}
}
break;
}