diff options
Diffstat (limited to 'EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c')
| -rw-r--r-- | EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c b/EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c index f491de6e95..bdc67fbda0 100644 --- a/EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c +++ b/EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOut.c @@ -64,10 +64,12 @@ #include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>
#include <Library/SerialPortLib.h>
+#include <Library/PcdLib.h>
#include <Protocol/SerialIo.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/SimpleTextOut.h>
+#include <Protocol/DevicePath.h>
#define MODE0_COLUMN_COUNT 80
@@ -198,7 +200,30 @@ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mSimpleTextOut = { &mSimpleTextOutMode
};
- EFI_HANDLE mInstallHandle = NULL;
+EFI_HANDLE mInstallHandle = NULL;
+
+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
+ },
+ {
+ { 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}
+};
+
@@ -271,6 +296,10 @@ ReadKeyStroke ( {
CHAR8 Char;
+ if (!SerialPortPoll ()) {
+ return EFI_NOT_READY;
+ }
+
SerialPortRead ((UINT8 *)&Char, 1);
//
@@ -660,7 +689,8 @@ SimpleTextInOutEntryPoint ( &mInstallHandle,
&gEfiSimpleTextInProtocolGuid, &mSimpleTextIn,
&gEfiSimpleTextOutProtocolGuid, &mSimpleTextOut,
- NULL
+ &gEfiDevicePathProtocolGuid, &mDevicePath,
+ NULL
);
if (!EFI_ERROR (Status)) {
gST->ConOut = &mSimpleTextOut;
|