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Add 'insmod' and 'lsmod' shell commands
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This commit is contained in:
Aiken Harris
2026-04-20 20:26:35 +02:00
parent ba41ad8f0b
commit 76ee56c762
2 changed files with 94 additions and 0 deletions
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90
boot/xtldr/shell.cc
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@@ -77,6 +77,94 @@ Shell::CommandHelp(IN ULONG Argc,
}
}
/**
* Implements the built-in `insmod` command. Loads an XTLDR module by its name.
*
* @param Argc
* Supplies the number of arguments provided by the user.
*
* @param Argv
* Supplies a list of arguments provided by the user.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
Shell::CommandInsmod(IN ULONG Argc,
IN PWCHAR *Argv)
{
EFI_STATUS Status;
/* Check if the module name was provided */
if(Argc != 2)
{
/* Print usage message and return */
Console::Print(L"Usage: insmod <module_name>\n");
return;
}
/* Load the module */
Status = Protocol::LoadModule(Argv[1]);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to load module, print error message */
Console::Print(L"ERROR: Failed to load module '%S' (Status: 0x%llx).\n", Argv[1], Status);
}
}
/**
* Implements the built-in `lsmod` command. Lists all loaded XTLDR modules.
*
* @param Argc
* Supplies the number of arguments provided by the user.
*
* @param Argv
* Supplies a list of arguments provided by the user.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
Shell::CommandLsmod(IN ULONG Argc,
IN PWCHAR *Argv)
{
PXTBL_MODULE_INFO ModuleInfo;
PLIST_ENTRY ModulesList;
PLIST_ENTRY ListEntry;
/* Print header */
Console::Print(L"Module Name Version Base Address Size\n");
Console::Print(L"----------------------------------------------------------------------\n");
/* Get modules list */
ModulesList = Protocol::GetModulesList();
if(ModulesList == NULLPTR)
{
/* No modules loaded */
return;
}
/* Iterate over all loaded modules */
ListEntry = ModulesList->Flink;
while(ListEntry != ModulesList)
{
/* Retrieve the module information */
ModuleInfo = CONTAIN_RECORD(ListEntry, XTBL_MODULE_INFO, Flink);
/* Print module information */
Console::Print(L"%-16S %-16S 0x%016llx %llu\n",
ModuleInfo->ModuleName, ModuleInfo->Version,
(ULONGLONG)ModuleInfo->ModuleBase, ModuleInfo->ModuleSize);
/* Advance to the next entry */
ListEntry = ListEntry->Flink;
}
}
/**
* Implements the built-in `poweroff` command. Shuts down the machine.
*
@@ -767,6 +855,8 @@ Shell::RegisterBuiltinCommands()
/* Register all built-in shell commands */
RegisterCommand(L"exit", L"Exits the shell and returns to the boot menu", CommandExit);
RegisterCommand(L"help", L"Displays a list of all available shell commands", CommandHelp);
RegisterCommand(L"insmod", L"Loads a specific XTLDR module", CommandInsmod);
RegisterCommand(L"lsmod", L"Displays a list of loaded modules", CommandLsmod);
RegisterCommand(L"poweroff", L"Shuts down the machine", CommandPoweroff);
RegisterCommand(L"reboot", L"Reboots the machine (/EFI to enter firmware setup)", CommandReboot);
RegisterCommand(L"ver", L"Displays the boot loader version information", CommandVersion);