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author | Konstantin Aladyshev <aladyshev22@gmail.com> | 2021-07-10 00:04:40 +0300 |
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committer | Konstantin Aladyshev <aladyshev22@gmail.com> | 2021-07-10 00:04:40 +0300 |
commit | 6064c1e48b622f53538f4df9bdd402c607a87d51 (patch) | |
tree | 93d3c937b9568568307fd2ff7053a30c538ad72a /Lessons/Lesson_11/UefiLessonsPkg/ImageHandle | |
parent | a9c375c80c3505be794ec2b5d5bb90de27ef0d42 (diff) | |
download | UEFI-Lessons-6064c1e48b622f53538f4df9bdd402c607a87d51.tar.gz UEFI-Lessons-6064c1e48b622f53538f4df9bdd402c607a87d51.tar.bz2 UEFI-Lessons-6064c1e48b622f53538f4df9bdd402c607a87d51.zip |
Move lessons to separate folder
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Diffstat (limited to 'Lessons/Lesson_11/UefiLessonsPkg/ImageHandle')
-rw-r--r-- | Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.c | 105 | ||||
-rw-r--r-- | Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.inf | 18 |
2 files changed, 123 insertions, 0 deletions
diff --git a/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.c b/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.c new file mode 100644 index 0000000..32e9c43 --- /dev/null +++ b/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.c @@ -0,0 +1,105 @@ +#include <Library/MemoryAllocationLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiLib.h> + +typedef struct { + UINTN Signature; + /// All handles list of IHANDLE + LIST_ENTRY AllHandles; + /// List of PROTOCOL_INTERFACE's for this handle + LIST_ENTRY Protocols; + UINTN LocateRequest; + /// The Handle Database Key value when this handle was last created or modified + UINT64 Key; +} IHANDLE; + +typedef struct { + UINTN Signature; + /// Link Entry inserted to mProtocolDatabase + LIST_ENTRY AllEntries; + /// ID of the protocol + EFI_GUID ProtocolID; + /// All protocol interfaces + LIST_ENTRY Protocols; + /// Registerd notification handlers + LIST_ENTRY Notify; +} PROTOCOL_ENTRY; + +typedef struct { + UINTN Signature; + /// Link on IHANDLE.Protocols + LIST_ENTRY Link; + /// Back pointer + IHANDLE *Handle; + /// Link on PROTOCOL_ENTRY.Protocols + LIST_ENTRY ByProtocol; + /// The protocol ID + PROTOCOL_ENTRY *Protocol; + /// The interface value + VOID *Interface; + /// OPEN_PROTOCOL_DATA list + LIST_ENTRY OpenList; + UINTN OpenListCount; + +} PROTOCOL_INTERFACE; + + +#define offsetof(a,b) ((INTN)(&(((a*)(0))->b))) + +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + +EFI_STATUS +EFIAPI +UefiMain ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + IHANDLE* MyHandle = ImageHandle; + Print(L"Signature: %c %c %c %c\n", (MyHandle->Signature >> 0) & 0xff, + (MyHandle->Signature >> 8) & 0xff, + (MyHandle->Signature >> 16) & 0xff, + (MyHandle->Signature >> 24) & 0xff); + + Print(L"Back Protocol Interface Link: %p\n", MyHandle->Protocols.BackLink); + Print(L"Forward Protocol Interface Link: %p\n", MyHandle->Protocols.ForwardLink); + + LIST_ENTRY *FirstLink = MyHandle->Protocols.ForwardLink; + LIST_ENTRY *CurrentLink = FirstLink; + do { + PROTOCOL_INTERFACE* MyProtocolInterface = container_of(CurrentLink, PROTOCOL_INTERFACE, Link); + + Print(L"\n"); + Print(L"Current Link: %p\n", CurrentLink); + Print(L"Signature: %x %x %x %x\n", (MyProtocolInterface->Signature >> 0) & 0xff, + (MyProtocolInterface->Signature >> 8) & 0xff, + (MyProtocolInterface->Signature >> 16) & 0xff, + (MyProtocolInterface->Signature >> 24) & 0xff); + + Print(L"Back Link: %p\n", MyProtocolInterface->Link.BackLink); + Print(L"Forward Link: %p\n", MyProtocolInterface->Link.ForwardLink); + Print(L"GUID=%g\n", MyProtocolInterface->Protocol->ProtocolID); + CurrentLink = MyProtocolInterface->Link.ForwardLink; + } while (CurrentLink != FirstLink); + + Print(L"________\n"); + EFI_GUID **ProtocolGuidArray; + UINTN ArrayCount; + //EFI_STATUS Status = gBS->ProtocolsPerHandle(NULL, // Use this to test %r Print formatting option + EFI_STATUS Status = gBS->ProtocolsPerHandle(ImageHandle, + &ProtocolGuidArray, + &ArrayCount); + + if (!EFI_ERROR(Status)) { + for (int i=0; i<ArrayCount; i++) { + Print(L"%g\n", ProtocolGuidArray[i]); + } + FreePool(ProtocolGuidArray); + } else { + Print(L"ProtocolsPerHandle error: %r\n", Status); + } + + return EFI_SUCCESS; +} diff --git a/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.inf b/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.inf new file mode 100644 index 0000000..34256ee --- /dev/null +++ b/Lessons/Lesson_11/UefiLessonsPkg/ImageHandle/ImageHandle.inf @@ -0,0 +1,18 @@ +[Defines] + INF_VERSION = 1.25 + BASE_NAME = ImageHandle + FILE_GUID = b68d3472-70c7-4928-841b-6566032e0a23 + MODULE_TYPE = UEFI_APPLICATION + VERSION_STRING = 1.0 + ENTRY_POINT = UefiMain + +[Sources] + ImageHandle.c + +[Packages] + MdePkg/MdePkg.dec + +[LibraryClasses] + UefiApplicationEntryPoint + UefiLib + |