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authorSteve McIntyre <steve@einval.com>2021-03-23 23:49:46 +0000
committerSteve McIntyre <steve@einval.com>2021-03-23 23:49:46 +0000
commit1251a7ba86fc40a6aad8b4fecdbca2b61808d9fa (patch)
tree2125fda549aaca55cb49a48d54be77dec7fbf3df /gnu-efi/inc/efipart.h
parent85b409232ce89b34626df9d72abedf5d4f5ccef6 (diff)
parent031e5cce385d3f96b1caa1d53495332a7eb03749 (diff)
downloadefi-boot-shim-debian/15.3-1.tar.gz
efi-boot-shim-debian/15.3-1.zip
Update upstream source from tag 'upstream/15.3'debian/15.3-1
Update to upstream version '15.3' with Debian dir 1b484f1c1ac270604a5a1451b34de4b0865c6211
Diffstat (limited to 'gnu-efi/inc/efipart.h')
-rw-r--r--gnu-efi/inc/efipart.h61
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