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 GPT_H
+#define GPT_H
+
+#include <drivers/partition/efi.h>
+#include <drivers/partition/partition.h>
+#include <tools_share/uuid.h>
+
+#define PARTITION_TYPE_GPT		0xee
+#define GPT_HEADER_OFFSET		PLAT_PARTITION_BLOCK_SIZE
+#define GPT_ENTRY_OFFSET		(GPT_HEADER_OFFSET +		\
+					 PLAT_PARTITION_BLOCK_SIZE)
+
+#define GPT_SIGNATURE			"EFI PART"
+
+typedef struct gpt_entry {
+	struct efi_guid		type_uuid;
+	struct efi_guid		unique_uuid;
+	unsigned long long	first_lba;
+	unsigned long long	last_lba;
+	unsigned long long	attr;
+	unsigned short		name[EFI_NAMELEN];
+} gpt_entry_t;
+
+typedef struct gpt_header {
+	unsigned char		signature[8];
+	unsigned int		revision;
+	unsigned int		size;
+	unsigned int		header_crc;
+	unsigned int		reserved;
+	unsigned long long	current_lba;
+	unsigned long long	backup_lba;
+	unsigned long long	first_lba;
+	unsigned long long	last_lba;
+	struct efi_guid		disk_uuid;
+	/* starting LBA of array of partition entries */
+	unsigned long long	part_lba;
+	/* number of partition entries in array */
+	unsigned int		list_num;
+	/* size of a single partition entry (usually 128) */
+	unsigned int		part_size;
+	unsigned int		part_crc;
+} gpt_header_t;
+
+int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry);
+
+#endif /* GPT_H */