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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7361 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24
2009-01-23 10:01:51 +00:00
parent 75a3814159
commit 7772b1760f
16 changed files with 196 additions and 62 deletions
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16
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c
View File

@@ -317,7 +317,7 @@ ConPlatformTextInDriverBindingStart (
Device GUID on ControllerHandle.
If this devcie is not one hot-plug devce, append its device path into the
console environment variables ConOutDev, StdErrDev.
console environment variables ConOutDev, ErrOutDev.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@@ -374,7 +374,7 @@ ConPlatformTextOutDriverBindingStart (
}
//
// Check the device handle, if it is a hot plug device,
// do not put the device path into ConOutDev and StdErrDev,
// do not put the device path into ConOutDev and ErrOutDev,
// and install gEfiConsoleOutDeviceGuid to the device handle directly.
// The policy is, make hot plug device plug in and play immediately.
//
@@ -396,7 +396,7 @@ ConPlatformTextOutDriverBindingStart (
APPEND
);
//
// Then append the device path to the StdErrDev environment variable
// Then append the device path to the ErrOutDev environment variable
//
ConPlatformUpdateDeviceVariable (
L"ErrOutDev",
@@ -424,7 +424,7 @@ ConPlatformTextOutDriverBindingStart (
);
}
//
// If the device path is successfully added to the StdErr environment variable,
// If the device path is successfully added to the ErrOut environment variable,
// then install EfiStandardErrorDeviceGuid onto ControllerHandle
//
Status = ConPlatformUpdateDeviceVariable (
@@ -557,7 +557,7 @@ ConPlatformTextOutDriverBindingStop (
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// If it is not a hot-plug device, first delete it from the ConOutDev and StdErrDev variable.
// If it is not a hot-plug device, first delete it from the ConOutDev and ErrOutDev variable.
//
if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
//
@@ -573,7 +573,7 @@ ConPlatformTextOutDriverBindingStop (
);
if (!EFI_ERROR (Status)) {
//
// Remove DevicePath from ConOutDev, and StdErrDev
// Remove DevicePath from ConOutDev, and ErrOutDev
//
ConPlatformUpdateDeviceVariable (
L"ConOutDev",
@@ -655,7 +655,7 @@ ConPlatformUnInstallProtocol (
}
/**
Get the necessary size of buffer and read the variabe.
Get the necessary size of buffer and read the variable.
First get the necessary size of buffer. Then read the
EFI variable (Name) and return a dynamically allocated
@@ -824,7 +824,7 @@ ConPlatformMatchDevicePaths (
Update console environment variables.
@param VariableName Console environment variables, ConOutDev, ConInDev
StdErrDev, ConIn or ConOut.
ErrOutDev, ConIn ,ConOut or ErrOut.
@param DevicePath Console devcie's device path.
@param Operation Variable operations, including APPEND, CHECK and DELETE.

36
MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
View File

@@ -1,5 +1,6 @@
#/** @file
# Console Platfrom DXE Driver, install Console protocols and updates environment variables.
# Console Platfrom DXE Driver that specifies whether device can be used as console
# input/output device or error output device and update global variables accordingly.
#
# Copyright (c) 2006 - 2008, Intel Corporation
#
@@ -54,14 +55,37 @@
DebugLib
[Guids]
gEfiGlobalVariableGuid ## SOMETIMES_CONSUMES ## Variable:L"ErrOut"
gEfiStandardErrorDeviceGuid
gEfiConsoleOutDeviceGuid
gEfiConsoleInDeviceGuid
##
# This is the VendorGuid of all architecturally defined variables in UEFI spec.
#
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ConIn"
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ConOut"
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ErrOut"
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ConInDev"
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ConOutDev"
gEfiGlobalVariableGuid ## CONSUMES ## Variable:L"ErrOutDev"
##
# This GUID is used to specify the device is the standard error device.
# If the device is a standard error device, this GUID as the protocol GUID will be installed
# onto this device handle.
#
gEfiStandardErrorDeviceGuid ## PROTOCOL
##
# This GUID is used to specify the device is the console output device.
# If the device is a console output device, this GUID as the protocol GUID will be installed
# onto this device handle.
#
gEfiConsoleOutDeviceGuid ## PROTOCOL
##
# This GUID is used to specify the device is the console input device.
# If the device is a console input device, this GUID as the protocol GUID will be installed
# onto this device handle.
#
gEfiConsoleInDeviceGuid ## PROTOCOL
[Protocols]
gEfiDevicePathProtocolGuid ## TO_START
gEfiSimpleTextInProtocolGuid ## TO_START
gEfiSimpleTextOutProtocolGuid ## TO_START
gEfiHotPlugDeviceGuid ## SOMETIMES_CONSUMES
gEfiHotPlugDeviceGuid ## SOMETIMES_CONSUMES (Used to check if it's a hot-plug device)