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Cleanup SerailIO drivers to have a device path and use PCD settings for various stuff. Also clean up a few coding convention items.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10009 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
2010-02-15 20:40:51 +00:00
parent 95572bd1b8
commit 026e30c4bb
13 changed files with 481 additions and 257 deletions
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10
EmbeddedPkg/SerialDxe/SerialDxe.inf
View File

@@ -1,6 +1,6 @@
#/** @file
#
# Component discription file for Bds module
# Convert SerialLib into SerialIo protocol
#
# Copyright (c) 2008, Intel Corporation. <BR>
# All rights reserved. This program and the accompanying materials
@@ -47,7 +47,13 @@
[Protocols]
gEfiSerialIoProtocolGuid
gEfiDevicePathProtocolGuid
[FixedPcd]
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
[Depex]
TRUE

41
EmbeddedPkg/SerialDxe/SerialIo.c
View File

@@ -23,6 +23,7 @@
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/SerialPortLib.h>
#include <Library/PcdLib.h>
#include <Protocol/SerialIo.h>
@@ -189,7 +190,7 @@ SerialRead (
{
UINTN Count;
Count = SerialPortWrite (Buffer, *BufferSize);
Count = SerialPortRead (Buffer, *BufferSize);
*BufferSize = Count;
return (Count == 0) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
}
@@ -201,13 +202,13 @@ EFI_HANDLE gHandle = NULL;
// Template used to initailize the GDB Serial IO protocols
//
EFI_SERIAL_IO_MODE gSerialIoMode = {
0, // ControlMask
0, // Timeout
0, // BaudRate
1, // RceiveFifoDepth
0, // DataBits
0, // Parity
0 // StopBits
0, // ControlMask
0, // Timeout
FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
1, // RceiveFifoDepth
FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
FixedPcdGet8 (PcdUartDefaultParity), // Parity
FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
};
@@ -222,6 +223,28 @@ EFI_SERIAL_IO_PROTOCOL gSerialIoTemplate = {
&gSerialIoMode
};
typedef struct {
VENDOR_DEVICE_PATH Guid;
UART_DEVICE_PATH Uart;
EFI_DEVICE_PATH_PROTOCOL End;
} SIMPLE_TEXT_OUT_DEVICE_PATH;
SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
{
{ HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
EFI_CALLER_ID_GUID // Use the drivers GUID
},
{
{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (UART_DEVICE_PATH), 0},
0, // Reserved
FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
},
{ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
};
/**
Initialize the state information for the Serial Io Protocol
@@ -248,7 +271,7 @@ SerialDxeInitialize (
Status = gBS->InstallMultipleProtocolInterfaces (
&gHandle,
&gEfiSerialIoProtocolGuid, &gSerialIoTemplate,
&gEfiDevicePathProtocolGuid, NULL, // BugBug: Need a device path
&gEfiDevicePathProtocolGuid, &mDevicePath,
NULL
);
ASSERT_EFI_ERROR (Status);