New upstream version 15.3upstream/15.3

1 files changed, 61 insertions, 0 deletions

diff --git a/gnu-efi/inc/efipart.h b/gnu-efi/inc/efipart.h
new file mode 100644
index 00000000..d4c55731
--- /dev/null
+++ b/gnu-efi/inc/efipart.h
@@ -0,0 +1,61 @@
+#ifndef _EFI_PART_H
+#define _EFI_PART_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efipart.h
+    
+Abstract:   
+    Info about disk partitions and Master Boot Records
+
+
+
+
+Revision History
+
+--*/
+
+//
+//
+//
+
+#define EFI_PARTITION   0xef
+#define MBR_SIZE        512
+
+#pragma pack(1)
+
+typedef struct {
+    UINT8       BootIndicator;
+    UINT8       StartHead;
+    UINT8       StartSector;
+    UINT8       StartTrack;
+    UINT8       OSIndicator;
+    UINT8       EndHead;
+    UINT8       EndSector;
+    UINT8       EndTrack;
+    UINT8       StartingLBA[4];
+    UINT8       SizeInLBA[4];
+} MBR_PARTITION_RECORD;
+
+#define EXTRACT_UINT32(D) (UINT32)(D[0] | (D[1] << 8) | (D[2] << 16) | (D[3] << 24))
+
+#define MBR_SIGNATURE           0xaa55
+#define MIN_MBR_DEVICE_SIZE     0x80000
+#define MBR_ERRATA_PAD          0x40000 // 128 MB
+
+#define MAX_MBR_PARTITIONS  4   
+typedef struct {
+    UINT8                   BootStrapCode[440];
+    UINT8                   UniqueMbrSignature[4];
+    UINT8                   Unknown[2];
+    MBR_PARTITION_RECORD    Partition[MAX_MBR_PARTITIONS];
+    UINT16                  Signature;
+} MASTER_BOOT_RECORD;
+#pragma pack()
+
+
+#endif