diff options
Diffstat (limited to 'EmbeddedPkg/Ebl/Main.c')
| -rw-r--r-- | EmbeddedPkg/Ebl/Main.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/EmbeddedPkg/Ebl/Main.c b/EmbeddedPkg/Ebl/Main.c index f1665627aa..dc17d26c71 100644 --- a/EmbeddedPkg/Ebl/Main.c +++ b/EmbeddedPkg/Ebl/Main.c @@ -31,13 +31,13 @@ UINTN gScreenRows; // Global to turn on/off breaking commands with prompts before they scroll the screen
BOOLEAN gPageBreak = TRUE;
-VOID
+VOID
RingBufferIncrement (
IN INTN *Value
)
{
*Value = *Value + 1;
-
+
if (*Value >= MAX_CMD_HISTORY) {
*Value = 0;
}
@@ -49,14 +49,14 @@ RingBufferDecrement ( )
{
*Value = *Value - 1;
-
+
if (*Value < 0) {
*Value = MAX_CMD_HISTORY - 1;
}
}
/**
- Save this command in the circular history buffer. Older commands are
+ Save this command in the circular history buffer. Older commands are
overwritten with newer commands.
@param Cmd Command line to archive the history of.
@@ -71,7 +71,7 @@ SetCmdHistory ( {
// Don't bother adding empty commands to the list
if (AsciiStrLen(Cmd) != 0) {
-
+
// First entry
if (mCmdHistoryStart == -1) {
mCmdHistoryStart = 0;
@@ -79,19 +79,19 @@ SetCmdHistory ( } else {
// Record the new command at the next index
RingBufferIncrement(&mCmdHistoryStart);
-
+
// If the next index runs into the end index, shuffle end back by one
if (mCmdHistoryStart == mCmdHistoryEnd) {
RingBufferIncrement(&mCmdHistoryEnd);
}
}
-
+
// Copy the new command line into the ring buffer
AsciiStrnCpy(&mCmdHistory[mCmdHistoryStart][0], Cmd, MAX_CMD_LINE);
}
-
+
// Reset the command history for the next up arrow press
- mCmdHistoryCurrent = mCmdHistoryStart;
+ mCmdHistoryCurrent = mCmdHistoryStart;
}
@@ -110,41 +110,41 @@ GetCmdHistory ( )
{
CHAR8 *HistoricalCommand = NULL;
-
+
// No history yet?
if (mCmdHistoryCurrent == -1) {
HistoricalCommand = mCmdBlank;
goto Exit;
}
-
+
if (Direction == SCAN_UP) {
HistoricalCommand = &mCmdHistory[mCmdHistoryCurrent][0];
-
+
// if we just echoed the last command, hang out there, don't wrap around
if (mCmdHistoryCurrent == mCmdHistoryEnd) {
goto Exit;
}
-
+
// otherwise, back up by one
RingBufferDecrement(&mCmdHistoryCurrent);
-
+
} else if (Direction == SCAN_DOWN) {
-
+
// if we last echoed the start command, put a blank prompt out
if (mCmdHistoryCurrent == mCmdHistoryStart) {
HistoricalCommand = mCmdBlank;
goto Exit;
}
-
+
// otherwise increment the current pointer and return that command
RingBufferIncrement(&mCmdHistoryCurrent);
RingBufferIncrement(&mCmdHistoryCurrent);
-
+
HistoricalCommand = &mCmdHistory[mCmdHistoryCurrent][0];
RingBufferDecrement(&mCmdHistoryCurrent);
}
-Exit:
+Exit:
return HistoricalCommand;
}
@@ -202,7 +202,7 @@ ParseArguments ( } else if (*Char != ' ') {
Argv[Arg++] = Char;
LookingForArg = FALSE;
- }
+ }
} else {
// Looking for the terminator of an Argv[] entry
if (!InQuote && (*Char == ' ')) {
@@ -214,7 +214,7 @@ ParseArguments ( *Char = '\0';
InQuote = FALSE;
}
- }
+ }
}
*Argc = Arg;
@@ -236,7 +236,7 @@ ParseArguments ( @param Key EFI Key information returned
@param TimeoutInSec Number of seconds to wait to timeout
- @param CallBack Callback called every second during the timeout wait
+ @param CallBack Callback called every second during the timeout wait
@return EFI_SUCCESS Key was returned
@return EFI_TIMEOUT If the TimoutInSec expired
@@ -275,15 +275,15 @@ EblGetCharKey ( if (WaitCount == 2) {
gBS->CloseEvent (WaitList[1]);
}
- return EFI_SUCCESS;
+ return EFI_SUCCESS;
}
break;
case 1:
- // Periodic 1 sec timer signaled
+ // Periodic 1 sec timer signaled
TimeoutInSec--;
if (CallBack != NULL) {
- // Call the users callback function if registered
+ // Call the users callback function if registered
CallBack (TimeoutInSec);
}
if (TimeoutInSec == 0) {
@@ -294,7 +294,7 @@ EblGetCharKey ( default:
ASSERT (FALSE);
}
- }
+ }
}
@@ -305,7 +305,7 @@ EblGetCharKey ( If the use hits Q to quit return TRUE else for any other key return FALSE.
PrefixNewline is used to figure out if a newline is needed before the prompt
string. This depends on the last print done before calling this function.
- CurrentRow is updated by one on a call or set back to zero if a prompt is
+ CurrentRow is updated by one on a call or set back to zero if a prompt is
needed.
@param CurrentRow Used to figure out if its the end of the page and updated
@@ -349,7 +349,7 @@ EblAnyKeyToContinueQtoQuit ( /**
- Set the text color of the EFI Console. If a zero is passed in reset to
+ Set the text color of the EFI Console. If a zero is passed in reset to
default text/background color.
@param Attribute For text and background color
@@ -372,12 +372,12 @@ EblSetTextColor ( /**
Collect the keyboard input for a cmd line. Carriage Return, New Line, or ESC
terminates the command line. You can edit the command line via left arrow,
- delete and backspace and they all back up and erase the command line.
+ delete and backspace and they all back up and erase the command line.
No edit of command line is possible without deletion at this time!
- The up arrow and down arrow fill Cmd with information from the history
+ The up arrow and down arrow fill Cmd with information from the history
buffer.
- @param Cmd Command line to return
+ @param Cmd Command line to return
@param CmdMaxSize Maximum size of Cmd
@return The Status of EblGetCharKey()
@@ -462,9 +462,9 @@ EblPrintStartupBanner ( /**
Send null requests to all removable media block IO devices so the a media add/remove/change
- can be detected in real before we execute a command.
+ can be detected in real before we execute a command.
- This is mainly due to the fact that the FAT driver does not do this today so you can get stale
+ This is mainly due to the fact that the FAT driver does not do this today so you can get stale
dir commands after an SD Card has been removed.
**/
VOID
@@ -521,7 +521,7 @@ EblPrompt ( commands returns an error.
@param CmdLine Command Line to process.
- @param MaxCmdLineSize MaxSize of the Command line
+ @param MaxCmdLineSize MaxSize of the Command line
@return EFI status of the Command
@@ -559,17 +559,17 @@ ProcessCmdLine ( }
} else {
AsciiPrint ("The command '%a' is not supported.\n", Argv[0]);
- }
- }
+ }
+ }
}
return Status;
}
-
+
/**
- Embedded Boot Loader (EBL) - A simple EFI command line application for embedded
+ Embedded Boot Loader (EBL) - A simple EFI command line application for embedded
devices. PcdEmbeddedAutomaticBootCommand is a complied in command line that
gets executed automatically. The ; separator allows multiple commands
for each command line.
@@ -585,7 +585,7 @@ EFIAPI EdkBootLoaderEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
- )
+ )
{
EFI_STATUS Status;
CHAR8 CmdLine[MAX_CMD_LINE];
@@ -605,7 +605,7 @@ EdkBootLoaderEntry ( EblInitializeExternalCmd ();
EblInitializeNetworkCmd();
EblInitializeVariableCmds ();
-
+
if (gST->ConOut == NULL) {
DEBUG((EFI_D_ERROR,"Error: No Console Output\n"));
return EFI_NOT_READY;
@@ -628,29 +628,29 @@ EdkBootLoaderEntry ( gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &gScreenColumns, &gScreenRows);
EblPrintStartupBanner ();
-
+
// Parse command line and handle commands separated by ;
// The loop prints the prompt gets user input and saves history
-
+
// Look for a variable with a default command line, otherwise use the Pcd
ZeroMem(&VendorGuid, sizeof(EFI_GUID));
Status = gRT->GetVariable(CommandLineVariableName, &VendorGuid, NULL, &CommandLineVariableSize, CommandLineVariable);
if (Status == EFI_BUFFER_TOO_SMALL) {
CommandLineVariable = AllocatePool(CommandLineVariableSize);
-
+
Status = gRT->GetVariable(CommandLineVariableName, &VendorGuid, NULL, &CommandLineVariableSize, CommandLineVariable);
if (!EFI_ERROR(Status)) {
UnicodeStrToAsciiStr(CommandLineVariable, CmdLine);
}
-
+
FreePool(CommandLineVariable);
}
-
+
if (EFI_ERROR(Status)) {
AsciiStrCpy (CmdLine, (CHAR8 *)PcdGetPtr (PcdEmbeddedAutomaticBootCommand));
}
-
+
for (;;) {
Status = ProcessCmdLine (CmdLine, MAX_CMD_LINE);
if (Status == EFI_ABORTED) {
|