// Global to turn on/off breaking commands with prompts before they scroll the screen\r
BOOLEAN gPageBreak = TRUE;\r
\r
-VOID \r
+VOID\r
RingBufferIncrement (\r
IN INTN *Value\r
)\r
{\r
*Value = *Value + 1;\r
- \r
+\r
if (*Value >= MAX_CMD_HISTORY) {\r
*Value = 0;\r
}\r
)\r
{\r
*Value = *Value - 1;\r
- \r
+\r
if (*Value < 0) {\r
*Value = MAX_CMD_HISTORY - 1;\r
}\r
}\r
\r
/**\r
- Save this command in the circular history buffer. Older commands are \r
+ Save this command in the circular history buffer. Older commands are\r
overwritten with newer commands.\r
\r
@param Cmd Command line to archive the history of.\r
{\r
// Don't bother adding empty commands to the list\r
if (AsciiStrLen(Cmd) != 0) {\r
- \r
+\r
// First entry\r
if (mCmdHistoryStart == -1) {\r
mCmdHistoryStart = 0;\r
} else {\r
// Record the new command at the next index\r
RingBufferIncrement(&mCmdHistoryStart);\r
- \r
+\r
// If the next index runs into the end index, shuffle end back by one\r
if (mCmdHistoryStart == mCmdHistoryEnd) {\r
RingBufferIncrement(&mCmdHistoryEnd);\r
}\r
}\r
- \r
+\r
// Copy the new command line into the ring buffer\r
AsciiStrnCpy(&mCmdHistory[mCmdHistoryStart][0], Cmd, MAX_CMD_LINE);\r
}\r
- \r
+\r
// Reset the command history for the next up arrow press\r
- mCmdHistoryCurrent = mCmdHistoryStart; \r
+ mCmdHistoryCurrent = mCmdHistoryStart;\r
}\r
\r
\r
)\r
{\r
CHAR8 *HistoricalCommand = NULL;\r
- \r
+\r
// No history yet?\r
if (mCmdHistoryCurrent == -1) {\r
HistoricalCommand = mCmdBlank;\r
goto Exit;\r
}\r
- \r
+\r
if (Direction == SCAN_UP) {\r
HistoricalCommand = &mCmdHistory[mCmdHistoryCurrent][0];\r
- \r
+\r
// if we just echoed the last command, hang out there, don't wrap around\r
if (mCmdHistoryCurrent == mCmdHistoryEnd) {\r
goto Exit;\r
}\r
- \r
+\r
// otherwise, back up by one\r
RingBufferDecrement(&mCmdHistoryCurrent);\r
- \r
+\r
} else if (Direction == SCAN_DOWN) {\r
- \r
+\r
// if we last echoed the start command, put a blank prompt out\r
if (mCmdHistoryCurrent == mCmdHistoryStart) {\r
HistoricalCommand = mCmdBlank;\r
goto Exit;\r
}\r
- \r
+\r
// otherwise increment the current pointer and return that command\r
RingBufferIncrement(&mCmdHistoryCurrent);\r
RingBufferIncrement(&mCmdHistoryCurrent);\r
- \r
+\r
HistoricalCommand = &mCmdHistory[mCmdHistoryCurrent][0];\r
RingBufferDecrement(&mCmdHistoryCurrent);\r
}\r
\r
-Exit: \r
+Exit:\r
return HistoricalCommand;\r
}\r
\r
} else if (*Char != ' ') {\r
Argv[Arg++] = Char;\r
LookingForArg = FALSE;\r
- } \r
+ }\r
} else {\r
// Looking for the terminator of an Argv[] entry\r
if (!InQuote && (*Char == ' ')) {\r
*Char = '\0';\r
InQuote = FALSE;\r
}\r
- } \r
+ }\r
}\r
\r
*Argc = Arg;\r
\r
@param Key EFI Key information returned\r
@param TimeoutInSec Number of seconds to wait to timeout\r
- @param CallBack Callback called every second during the timeout wait \r
+ @param CallBack Callback called every second during the timeout wait\r
\r
@return EFI_SUCCESS Key was returned\r
@return EFI_TIMEOUT If the TimoutInSec expired\r
if (WaitCount == 2) {\r
gBS->CloseEvent (WaitList[1]);\r
}\r
- return EFI_SUCCESS; \r
+ return EFI_SUCCESS;\r
}\r
break;\r
\r
case 1:\r
- // Periodic 1 sec timer signaled \r
+ // Periodic 1 sec timer signaled\r
TimeoutInSec--;\r
if (CallBack != NULL) {\r
- // Call the users callback function if registered \r
+ // Call the users callback function if registered\r
CallBack (TimeoutInSec);\r
}\r
if (TimeoutInSec == 0) {\r
default:\r
ASSERT (FALSE);\r
}\r
- } \r
+ }\r
}\r
\r
\r
If the use hits Q to quit return TRUE else for any other key return FALSE.\r
PrefixNewline is used to figure out if a newline is needed before the prompt\r
string. This depends on the last print done before calling this function.\r
- CurrentRow is updated by one on a call or set back to zero if a prompt is \r
+ CurrentRow is updated by one on a call or set back to zero if a prompt is\r
needed.\r
\r
@param CurrentRow Used to figure out if its the end of the page and updated\r
\r
\r
/**\r
- Set the text color of the EFI Console. If a zero is passed in reset to \r
+ Set the text color of the EFI Console. If a zero is passed in reset to\r
default text/background color.\r
\r
@param Attribute For text and background color\r
/**\r
Collect the keyboard input for a cmd line. Carriage Return, New Line, or ESC\r
terminates the command line. You can edit the command line via left arrow,\r
- delete and backspace and they all back up and erase the command line. \r
+ delete and backspace and they all back up and erase the command line.\r
No edit of command line is possible without deletion at this time!\r
- The up arrow and down arrow fill Cmd with information from the history \r
+ The up arrow and down arrow fill Cmd with information from the history\r
buffer.\r
\r
- @param Cmd Command line to return \r
+ @param Cmd Command line to return\r
@param CmdMaxSize Maximum size of Cmd\r
\r
@return The Status of EblGetCharKey()\r
\r
/**\r
Send null requests to all removable media block IO devices so the a media add/remove/change\r
- can be detected in real before we execute a command. \r
+ can be detected in real before we execute a command.\r
\r
- This is mainly due to the fact that the FAT driver does not do this today so you can get stale \r
+ This is mainly due to the fact that the FAT driver does not do this today so you can get stale\r
dir commands after an SD Card has been removed.\r
**/\r
VOID\r
commands returns an error.\r
\r
@param CmdLine Command Line to process.\r
- @param MaxCmdLineSize MaxSize of the Command line \r
+ @param MaxCmdLineSize MaxSize of the Command line\r
\r
@return EFI status of the Command\r
\r
}\r
} else {\r
AsciiPrint ("The command '%a' is not supported.\n", Argv[0]);\r
- } \r
- } \r
+ }\r
+ }\r
}\r
\r
return Status;\r
}\r
- \r
+\r
\r
\r
/**\r
- Embedded Boot Loader (EBL) - A simple EFI command line application for embedded \r
+ Embedded Boot Loader (EBL) - A simple EFI command line application for embedded\r
devices. PcdEmbeddedAutomaticBootCommand is a complied in command line that\r
gets executed automatically. The ; separator allows multiple commands\r
for each command line.\r
EdkBootLoaderEntry (\r
IN EFI_HANDLE ImageHandle,\r
IN EFI_SYSTEM_TABLE *SystemTable\r
- ) \r
+ )\r
{\r
EFI_STATUS Status;\r
CHAR8 CmdLine[MAX_CMD_LINE];\r
EblInitializeExternalCmd ();\r
EblInitializeNetworkCmd();\r
EblInitializeVariableCmds ();\r
- \r
+\r
if (gST->ConOut == NULL) {\r
DEBUG((EFI_D_ERROR,"Error: No Console Output\n"));\r
return EFI_NOT_READY;\r
gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &gScreenColumns, &gScreenRows);\r
\r
EblPrintStartupBanner ();\r
- \r
+\r
// Parse command line and handle commands separated by ;\r
// The loop prints the prompt gets user input and saves history\r
- \r
+\r
// Look for a variable with a default command line, otherwise use the Pcd\r
ZeroMem(&VendorGuid, sizeof(EFI_GUID));\r
\r
Status = gRT->GetVariable(CommandLineVariableName, &VendorGuid, NULL, &CommandLineVariableSize, CommandLineVariable);\r
if (Status == EFI_BUFFER_TOO_SMALL) {\r
CommandLineVariable = AllocatePool(CommandLineVariableSize);\r
- \r
+\r
Status = gRT->GetVariable(CommandLineVariableName, &VendorGuid, NULL, &CommandLineVariableSize, CommandLineVariable);\r
if (!EFI_ERROR(Status)) {\r
UnicodeStrToAsciiStr(CommandLineVariable, CmdLine);\r
}\r
- \r
+\r
FreePool(CommandLineVariable);\r
}\r
- \r
+\r
if (EFI_ERROR(Status)) {\r
AsciiStrCpy (CmdLine, (CHAR8 *)PcdGetPtr (PcdEmbeddedAutomaticBootCommand));\r
}\r
- \r
+\r
for (;;) {\r
Status = ProcessCmdLine (CmdLine, MAX_CMD_LINE);\r
if (Status == EFI_ABORTED) {\r
projects / mirror_edk2.git / blobdiff