| 0,0 → 1,177 |
|---|
| #ifndef _EFI_LINK_H |
| #define _EFI_LINK_H |
| |
| /*++ |
| |
| Copyright (c) 1998 Intel Corporation |
| |
| Module Name: |
| |
| link.h (renamed efilink.h to avoid conflicts) |
| |
| Abstract: |
| |
| EFI link list macro's |
| |
| |
| |
| Revision History |
| |
| --*/ |
| |
| #ifndef EFI_NT_EMUL |
| |
| // |
| // List entry - doubly linked list |
| // |
| |
| typedef struct _LIST_ENTRY { |
| struct _LIST_ENTRY *Flink; |
| struct _LIST_ENTRY *Blink; |
| } LIST_ENTRY; |
| |
| #endif |
| |
| |
| // |
| // VOID |
| // InitializeListHead( |
| // LIST_ENTRY *ListHead |
| // ); |
| // |
| |
| #define InitializeListHead(ListHead) \ |
| (ListHead)->Flink = ListHead; \ |
| (ListHead)->Blink = ListHead; |
| |
| // |
| // BOOLEAN |
| // IsListEmpty( |
| // PLIST_ENTRY ListHead |
| // ); |
| // |
| |
| #define IsListEmpty(ListHead) \ |
| ((ListHead)->Flink == (ListHead)) |
| |
| // |
| // VOID |
| // RemoveEntryList( |
| // PLIST_ENTRY Entry |
| // ); |
| // |
| |
| #define _RemoveEntryList(Entry) { \ |
| LIST_ENTRY *_Blink, *_Flink; \ |
| _Flink = (Entry)->Flink; \ |
| _Blink = (Entry)->Blink; \ |
| _Blink->Flink = _Flink; \ |
| _Flink->Blink = _Blink; \ |
| } |
| |
| #if EFI_DEBUG |
| #define RemoveEntryList(Entry) \ |
| _RemoveEntryList(Entry); \ |
| (Entry)->Flink = (LIST_ENTRY *) BAD_POINTER; \ |
| (Entry)->Blink = (LIST_ENTRY *) BAD_POINTER; |
| #else |
| #define RemoveEntryList(Entry) \ |
| _RemoveEntryList(Entry); |
| #endif |
| |
| // |
| // VOID |
| // InsertTailList( |
| // PLIST_ENTRY ListHead, |
| // PLIST_ENTRY Entry |
| // ); |
| // |
| |
| #define InsertTailList(ListHead,Entry) {\ |
| LIST_ENTRY *_ListHead, *_Blink; \ |
| _ListHead = (ListHead); \ |
| _Blink = _ListHead->Blink; \ |
| (Entry)->Flink = _ListHead; \ |
| (Entry)->Blink = _Blink; \ |
| _Blink->Flink = (Entry); \ |
| _ListHead->Blink = (Entry); \ |
| } |
| |
| // |
| // VOID |
| // InsertHeadList( |
| // PLIST_ENTRY ListHead, |
| // PLIST_ENTRY Entry |
| // ); |
| // |
| |
| #define InsertHeadList(ListHead,Entry) {\ |
| LIST_ENTRY *_ListHead, *_Flink; \ |
| _ListHead = (ListHead); \ |
| _Flink = _ListHead->Flink; \ |
| (Entry)->Flink = _Flink; \ |
| (Entry)->Blink = _ListHead; \ |
| _Flink->Blink = (Entry); \ |
| _ListHead->Flink = (Entry); \ |
| } |
| |
| // VOID |
| // SwapListEntries( |
| // PLIST_ENTRY Entry1, |
| // PLIST_ENTRY Entry2 |
| // ); |
| // |
| // Put Entry2 before Entry1 |
| // |
| #define SwapListEntries(Entry1,Entry2) {\ |
| LIST_ENTRY *Entry1Flink, *Entry1Blink; \ |
| LIST_ENTRY *Entry2Flink, *Entry2Blink; \ |
| Entry2Flink = (Entry2)->Flink; \ |
| Entry2Blink = (Entry2)->Blink; \ |
| Entry1Flink = (Entry1)->Flink; \ |
| Entry1Blink = (Entry1)->Blink; \ |
| Entry2Blink->Flink = Entry2Flink; \ |
| Entry2Flink->Blink = Entry2Blink; \ |
| (Entry2)->Flink = Entry1; \ |
| (Entry2)->Blink = Entry1Blink; \ |
| Entry1Blink->Flink = (Entry2); \ |
| (Entry1)->Blink = (Entry2); \ |
| } |
| |
| // |
| // EFI_FIELD_OFFSET - returns the byte offset to a field within a structure |
| // |
| |
| #define EFI_FIELD_OFFSET(TYPE,Field) ((UINTN)(&(((TYPE *) 0)->Field))) |
| |
| // |
| // CONTAINING_RECORD - returns a pointer to the structure |
| // from one of it's elements. |
| // |
| |
| #define _CR(Record, TYPE, Field) \ |
| ((TYPE *) ( (CHAR8 *)(Record) - (CHAR8 *) &(((TYPE *) 0)->Field))) |
| |
| #if EFI_DEBUG |
| #define CR(Record, TYPE, Field, Sig) \ |
| _CR(Record, TYPE, Field)->Signature != Sig ? \ |
| (TYPE *) ASSERT_STRUCT(_CR(Record, TYPE, Field), Record) : \ |
| _CR(Record, TYPE, Field) |
| #else |
| #define CR(Record, TYPE, Field, Signature) \ |
| _CR(Record, TYPE, Field) |
| #endif |
| |
| |
| // |
| // A lock structure |
| // |
| |
| typedef struct _FLOCK { |
| EFI_TPL Tpl; |
| EFI_TPL OwnerTpl; |
| UINTN Lock; |
| } FLOCK; |
| |
| #endif |
| |