summaryrefslogtreecommitdiffstats
path: root/ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c
diff options
context:
space:
mode:
authorjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-03-25 20:43:03 +0000
committerjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-03-25 20:43:03 +0000
commit77dcec128bde3e7f0db64d60501b5a072f9f0e8f (patch)
tree6ae0989456c54301f7c3d35f146316e3eae49324 /ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c
parenta47c681fc0fd1c2ebc08973a4742f0188eafcf44 (diff)
downloadedk2-77dcec128bde3e7f0db64d60501b5a072f9f0e8f.tar.gz
edk2-77dcec128bde3e7f0db64d60501b5a072f9f0e8f.tar.bz2
edk2-77dcec128bde3e7f0db64d60501b5a072f9f0e8f.zip
Updating level 1 commands.
exit - correctly convert the parameter to the return code. for - update string-to-number conversion. if - use shell string-to-number conversion and add comments. stall- add command main lib files: add comments, clarify user visible strings, add stall. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11420 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c')
-rw-r--r--ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c b/ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c
new file mode 100644
index 0000000000..2270323190
--- /dev/null
+++ b/ShellPkg/Library/UefiShellLevel1CommandsLib/Stall.c
@@ -0,0 +1,83 @@
+/** @file
+ Main file for stall shell level 1 function.
+
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "UefiShellLevel1CommandsLib.h"
+
+/**
+ Function for 'stall' command.
+
+ @param[in] ImageHandle Handle to the Image (NULL if Internal).
+ @param[in] SystemTable Pointer to the System Table (NULL if Internal).
+**/
+SHELL_STATUS
+EFIAPI
+ShellCommandRunStall (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ SHELL_STATUS ShellStatus;
+ UINT64 Intermediate;
+
+ ShellStatus = SHELL_SUCCESS;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ Status = CommandInit();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // parse the command line
+ //
+ Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
+ if (EFI_ERROR(Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Status = ShellConvertStringToUint64(ShellCommandLineGetRawValue(Package, 1), &Intermediate, FALSE, FALSE);
+ if (EFI_ERROR(Status) || ((UINT64)(UINTN)(Intermediate)) != Intermediate) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Status = gBS->Stall((UINTN)Intermediate);
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_STALL_FAILED), gShellLevel1HiiHandle, Status);
+ ShellStatus = SHELL_DEVICE_ERROR;
+ }
+ }
+ }
+ ShellCommandLineFreeVarList (Package);
+ }
+ return (ShellStatus);
+}
+