GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MBR_H
+#define MBR_H
+
+#define MBR_OFFSET			0
+
+#define MBR_PRIMARY_ENTRY_OFFSET	0x1be
+#define MBR_PRIMARY_ENTRY_SIZE		0x10
+#define MBR_PRIMARY_ENTRY_NUMBER	4
+#define MBR_CHS_ADDRESS_LEN		3
+
+#define MBR_SIGNATURE_FIRST		0x55
+#define MBR_SIGNATURE_SECOND		0xAA
+
+typedef struct mbr_entry {
+	unsigned char		status;
+	unsigned char		first_sector[MBR_CHS_ADDRESS_LEN];
+	unsigned char		type;
+	unsigned char		last_sector[MBR_CHS_ADDRESS_LEN];
+	unsigned int		first_lba;
+	unsigned int		sector_nums;
+} mbr_entry_t;
+
+#endif /* MBR_H */