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authorKonstantin Aladyshev <aladyshev22@gmail.com>2021-07-10 00:04:40 +0300
committerKonstantin Aladyshev <aladyshev22@gmail.com>2021-07-10 00:04:40 +0300
commit6064c1e48b622f53538f4df9bdd402c607a87d51 (patch)
tree93d3c937b9568568307fd2ff7053a30c538ad72a /Lesson_20/UefiLessonsPkg/ShowBootVariables
parenta9c375c80c3505be794ec2b5d5bb90de27ef0d42 (diff)
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Move lessons to separate folder
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Diffstat (limited to 'Lesson_20/UefiLessonsPkg/ShowBootVariables')
-rw-r--r--Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.c93
-rw-r--r--Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.inf19
2 files changed, 0 insertions, 112 deletions
diff --git a/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.c b/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.c
deleted file mode 100644
index 7f6b58c..0000000
--- a/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-
-#include <Library/DevicePathLib.h>
-#include <Library/PrintLib.h>
-
-
-EFI_STATUS
-GetNvramVariable( CHAR16 *VariableName,
- EFI_GUID *VariableOwnerGuid,
- VOID **Buffer,
- UINTN *BufferSize)
-{
- UINTN Size = 0;
- *BufferSize = 0;
-
- EFI_STATUS Status = gRT->GetVariable(VariableName, VariableOwnerGuid, NULL, &Size, NULL);
- if (Status != EFI_BUFFER_TOO_SMALL) {
- Print(L"Error! 'gRT->GetVariable' call returned %r\n", Status);
- return Status;
- }
-
- *Buffer = AllocateZeroPool(Size);
- if (!Buffer) {
- Print(L"Error! 'AllocateZeroPool' call returned %r\n", Status);
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = gRT->GetVariable(VariableName, VariableOwnerGuid, NULL, &Size, *Buffer);
- if (Status == EFI_SUCCESS) {
- *BufferSize = Size;
- } else {
- FreePool( *Buffer );
- *Buffer = NULL;
- }
-
- return Status;
-}
-
-
-VOID PrintBootOption(CHAR16* BootOptionName)
-{
- UINTN OptionSize;
- UINT8* Buffer;
-
- EFI_STATUS Status = GetNvramVariable(BootOptionName, &gEfiGlobalVariableGuid, (VOID**)&Buffer, &OptionSize);
- if (Status == EFI_SUCCESS) {
- EFI_LOAD_OPTION* LoadOption = (EFI_LOAD_OPTION*) Buffer;
- CHAR16* Description = (CHAR16*)(Buffer + sizeof (EFI_LOAD_OPTION));
- UINTN DescriptionSize = StrSize(Description);
-
- Print(L"%s\n", Description);
- if (LoadOption->FilePathListLength != 0) {
- VOID* FilePathList = (UINT8 *)Description + DescriptionSize;
- CHAR16* DevPathString = ConvertDevicePathToText(FilePathList, TRUE, FALSE);
- Print(L"%s\n", DevPathString);
- }
- } else {
- Print(L"Can't get %s variable\n", BootOptionName);
- }
-}
-
-
-INTN EFIAPI ShellAppMain(IN UINTN Argc, IN CHAR16 **Argv)
-{
- UINTN OptionSize;
- EFI_STATUS Status;
-
- UINT16* BootCurrent;
- Status = GetNvramVariable(L"BootCurrent", &gEfiGlobalVariableGuid, (VOID**)&BootCurrent, &OptionSize);
- if (Status != EFI_SUCCESS) {
- Print(L"Can't get BootCurrent variable\n");
- }
-
- UINT16* BootOrderArray;
- Status = GetNvramVariable(L"BootOrder", &gEfiGlobalVariableGuid, (VOID**)&BootOrderArray, &OptionSize);
- if (Status == EFI_SUCCESS) {
- for (UINTN i=0; i<(OptionSize/sizeof(UINT16)); i++) {
- CHAR16 BootOptionStr[sizeof("Boot####")+1];
- UnicodeSPrint(BootOptionStr, (sizeof("Boot####")+1)*sizeof(CHAR16), L"Boot%04x", BootOrderArray[i]);
- Print(L"%s%s\n", BootOptionStr, (BootOrderArray[i] == *BootCurrent)? L"*" : L"" );
- PrintBootOption(BootOptionStr);
- Print(L"\n");
- }
- } else {
- Print(L"Can't get BootOrder variable\n");
- }
-
- return EFI_SUCCESS;
-}
diff --git a/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.inf b/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.inf
deleted file mode 100644
index d2cfba9..0000000
--- a/Lesson_20/UefiLessonsPkg/ShowBootVariables/ShowBootVariables.inf
+++ /dev/null
@@ -1,19 +0,0 @@
-[Defines]
- INF_VERSION = 1.25
- BASE_NAME = ShowBootVariables
- FILE_GUID = 31266d12-9c60-478e-905e-05d117a3a9df
- MODULE_TYPE = UEFI_APPLICATION
- VERSION_STRING = 1.0
- ENTRY_POINT = ShellCEntryLib
-
-[Sources]
- ShowBootVariables.c
-
-[Packages]
- MdePkg/MdePkg.dec
-
-[LibraryClasses]
- UefiApplicationEntryPoint
- UefiLib
- ShellCEntryLib
-