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This commit is contained in:
Aiken Harris
2026-08-03 11:08:35 +02:00
parent 9b701c89f4 328b785b18
commit 1ecc9bd298
14 changed files with 157 additions and 53 deletions
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18
boot/xtldr/includes/libxtos.hh
View File

@@ -105,9 +105,9 @@ namespace RTL
class String
{
public:
STATIC XTAPI SIZE_T CompareString(IN PCSTR String1,
IN PCSTR String2,
IN SIZE_T Length);
STATIC XTAPI LONG CompareString(IN PCSTR String1,
IN PCSTR String2,
IN SIZE_T Length);
STATIC XTAPI SIZE_T StringLength(IN PCSTR String,
IN SIZE_T MaxLength);
STATIC XTAPI SIZE_T StringToWideString(OUT PWCHAR Destination,
@@ -119,12 +119,12 @@ namespace RTL
class WideString
{
public:
STATIC XTAPI SIZE_T CompareWideString(IN PCWSTR String1,
IN PCWSTR String2,
IN SIZE_T Length);
STATIC XTAPI SIZE_T CompareWideStringInsensitive(IN PCWSTR String1,
IN PCWSTR String2,
IN SIZE_T Length);
STATIC XTAPI LONG CompareWideString(IN PCWSTR String1,
IN PCWSTR String2,
IN SIZE_T Length);
STATIC XTAPI LONG CompareWideStringInsensitive(IN PCWSTR String1,
IN PCWSTR String2,
IN SIZE_T Length);
STATIC XTAPI PWCHAR ConcatenateWideString(OUT PWCHAR Destination,
IN PWCHAR Source,
IN SIZE_T Count);

1
boot/xtldr/includes/xtldr.hh
View File

@@ -261,6 +261,7 @@ class Shell
STATIC LIST_ENTRY ShellCommands;
public:
STATIC XTCDECL VOID InitializeShell();
STATIC XTCDECL EFI_STATUS RegisterCommand(IN PCWSTR Command,
IN PCWSTR Description,
IN PBL_SHELL_COMMAND Handler);

75
boot/xtldr/modules/beep/beep.cc
View File

@@ -13,8 +13,78 @@
MODULE_AUTHOR(L"Rafal Kupiec <belliash@codingworkshop.eu.org>");
MODULE_DESCRIPTION(L"Plays a GRUB compatible tune via PC speaker");
MODULE_LICENSE(L"GPLv3");
MODULE_VERSION(L"0.1");
MODULE_VERSION(L"0.2");
/**
* Executes the beep shell command to play a musical tune.
*
* @param Argc
* Supplies the number of arguments passed to the command line.
*
* @param Argv
* Supplies a pointer to an array of null-terminated argument strings.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
Beep::CommandBeep(IN ULONG Argc,
IN PWCHAR *Argv)
{
WCHAR Tune[XTBL_SH_MAX_LINE_LENGTH];
ULONG ArgumentIndex, TuneLength;
PWCHAR Character;
/* Check the number of arguments */
if(Argc < 2)
{
/* Invalid number of arguments, print usage message and return */
XtLdrProtocol->Console.Print(L"Usage: beep <tempo> <pitch1> <duration1> [pitch2 duration2 ...]\n");
return;
}
/* Rebuild the space-separated argument string */
TuneLength = 0;
for(ArgumentIndex = 1; ArgumentIndex < Argc; ArgumentIndex++)
{
/* Retrieve the pointer to the current argument string */
Character = Argv[ArgumentIndex];
while(*Character != L'\0')
{
/* Verify that the tune buffer has sufficient capacity */
if(TuneLength >= XTBL_SH_MAX_LINE_LENGTH - 1)
{
/* Buffer capacity exceeded, print error message and return */
XtLdrProtocol->Console.Print(L"ERROR: Tune is too long.\n");
return;
}
/* Copy the current character to the buffer and advance the source pointer */
Tune[TuneLength++] = *Character++;
}
/* Check if there are subsequent arguments */
if(ArgumentIndex + 1 < Argc)
{
/* Verify that the tune buffer has sufficient capacity */
if(TuneLength >= XTBL_SH_MAX_LINE_LENGTH - 1)
{
/* Buffer capacity exceeded, print error message and return */
XtLdrProtocol->Console.Print(L"ERROR: Tune is too long.\n");
return;
}
/* Append a space character to the tune buffer */
Tune[TuneLength++] = L' ';
}
}
/* Terminate the reconstructed string and dispatch it to the playback routine */
Tune[TuneLength] = L'\0';
PlayTune(Tune);
}
/**
* Disables the PC speaker.
@@ -102,6 +172,9 @@ Beep::InitializeModule(IN EFI_HANDLE ImageHandle,
return STATUS_EFI_PROTOCOL_ERROR;
}
/* Register the `beep` command */
XtLdrProtocol->Shell.RegisterCommand(L"beep", L"Plays a GRUB compatible tune", CommandBeep);
/* Play the tune set in the configuration */
XtLdrProtocol->Config.GetValue(L"TUNE", &Tune);
PlayTune(Tune);

3
boot/xtldr/modules/beep/includes/beep.hh
View File

@@ -21,11 +21,12 @@ class Beep
public:
STATIC XTCDECL EFI_STATUS InitializeModule(IN EFI_HANDLE ImageHandle,
IN PEFI_SYSTEM_TABLE SystemTable);
STATIC XTCDECL VOID PlayTune(IN PWCHAR Arguments);
private:
STATIC XTCDECL VOID CommandBeep(IN ULONG Argc, IN PWCHAR *Argv);
STATIC XTCDECL VOID DisableToneBeep();
STATIC XTCDECL VOID EnableToneBeep(IN UINT Pitch);
STATIC XTCDECL VOID PlayTune(IN PWCHAR Arguments);
STATIC XTCDECL UINT WideStringToNumber(IN PWCHAR String);
};

24
boot/xtldr/shell.cc
View File

@@ -307,6 +307,24 @@ Shell::ExecuteCommand(IN ULONG Argc,
Console::Print(L"ERROR: '%S' is not recognized as a valid command.\n", Argv[0]);
}
/**
* Initializes the bootloader shell.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
Shell::InitializeShell()
{
/* Initialize the shell commands list */
RTL::LinkedList::InitializeListHead(&ShellCommands);
/* Register all built-in commands */
RegisterBuiltinCommands();
}
/**
* Splits the supplied raw command line string into an argument count and an argument vector suitable
* for command dispatch. The input string is tokenized by whitespace.
@@ -881,12 +899,6 @@ Shell::StartLoaderShell()
/* Initialize console */
Console::InitializeConsole();
/* Initialize the shell commands list */
RTL::LinkedList::InitializeListHead(&ShellCommands);
/* Register all built-in commands */
RegisterBuiltinCommands();
/* Clear the shell exit request flag */
ExitRequest = FALSE;

16
boot/xtldr/volume.cc
View File

@@ -456,7 +456,7 @@ Volume::GetDevicePath(IN PWCHAR SystemPath,
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to parse system path */
Debug::Print(L"ERROR: Failed to parse system path: '%s' (Status Code: 0x%zX)\n", SystemPath, Status);
Debug::Print(L"ERROR: Failed to parse system path: '%S' (Status Code: 0x%zX)\n", SystemPath, Status);
return Status;
}
@@ -842,26 +842,26 @@ Volume::DissectArcPath(IN PWCHAR SystemPath,
*PartNumber = 0;
/* Look for the ARC path */
if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"ramdisk(0)", 0) == 0)
if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"ramdisk(0)", 10) == 0)
{
/* This is RAM disk */
ArcLength = 10;
*DriveType = XTBL_BOOT_DEVICE_RAMDISK;
}
else if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"multi(0)esp(0)", 0) == 0)
else if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"multi(0)esp(0)", 14) == 0)
{
/* This is ESP */
ArcLength = 14;
*DriveType = XTBL_BOOT_DEVICE_ESP;
}
else if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"multi(0)disk(0)", 0) == 0)
else if(RTL::WideString::CompareWideStringInsensitive(SystemPath, L"multi(0)disk(0)", 15) == 0)
{
/* This is a multi-disk port */
ArcLength = 15;
ArcPath = SystemPath + ArcLength;
/* Check for disk type */
if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"cdrom(", 0) == 0)
if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"cdrom(", 6) == 0)
{
/* This is an optical drive */
ArcLength += 6;
@@ -882,7 +882,7 @@ Volume::DissectArcPath(IN PWCHAR SystemPath,
*DriveType = XTBL_BOOT_DEVICE_CDROM;
ArcLength++;
}
else if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"fdisk(", 0) == 0)
else if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"fdisk(", 6) == 0)
{
/* This is a floppy drive */
ArcLength += 6;
@@ -903,7 +903,7 @@ Volume::DissectArcPath(IN PWCHAR SystemPath,
*DriveType = XTBL_BOOT_DEVICE_FLOPPY;
ArcLength++;
}
else if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"rdisk(", 0) == 0)
else if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"rdisk(", 6) == 0)
{
/* This is a hard disk */
ArcLength += 6;
@@ -926,7 +926,7 @@ Volume::DissectArcPath(IN PWCHAR SystemPath,
ArcPath = SystemPath + ArcLength;
/* Look for a partition */
if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"partition(", 0) == 0)
if(RTL::WideString::CompareWideStringInsensitive(ArcPath, L"partition(", 10) == 0)
{
/* Partition information found */
ArcLength += 10;

5
boot/xtldr/xtldr.cc
View File

@@ -138,6 +138,9 @@ XtLoader::InitializeBootLoader(IN EFI_HANDLE ImageHandle,
/* Initialize XTLDR configuration */
Configuration::InitializeConfiguration();
/* Initialize shell */
Shell::InitializeShell();
/* Store SecureBoot status */
LoaderStatus.SecureBoot = EfiUtils::GetSecureBootStatus();
@@ -245,7 +248,7 @@ BlStartXtLoader(IN EFI_HANDLE ImageHandle,
for(;;);
}
/* Initialize XTLDR and */
/* Initialize XTLDR */
XtLoader::InitializeBootLoader(ImageHandle, SystemTable);
/* Parse configuration options passed from UEFI shell */