windows-nt/Source/XPSP1/NT/base/efiutil/sdk/shell/stall/stall.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1999 Intel Corporation
Module Name:
stall.c
Abstract:
Revision History
--*/
#include "shell.h"
EFI_STATUS
InitializeStall (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
EFI_DRIVER_ENTRY_POINT(InitializeStall)
EFI_STATUS
InitializeStall (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*+++
stall [microseconds]
--*/
{
UINTN Microseconds;
InstallInternalShellCommand (
ImageHandle, SystemTable, InitializeStall,
L"stall", /* command */
L"stall microseconds", /* command syntax */
L"Delay for x microseconds", /* 1 line descriptor */
NULL /* command help page */
);
InitializeShellApplication (ImageHandle, SystemTable);
if (SI->Argc != 2) {
Print(L"stall [microseconds]\n");
return EFI_SUCCESS;
}
if (BS->Stall == NULL) {
Print(L"ERROR : Stall service is not available.\n");
return EFI_UNSUPPORTED;
}
Microseconds = Atoi(SI->Argv[1]);
Print(L"Stall for %d uS\n",Microseconds);
BS->Stall(Microseconds);
return EFI_SUCCESS;
}