+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Extensible Firmware Interface
* Based on 'Extensible Firmware Interface Specification' version 0.9,
#define efi_va_end va_end
#endif /* __x86_64__ */
+#define EFI32_LOADER_SIGNATURE "EL32"
+#define EFI64_LOADER_SIGNATURE "EL64"
+
struct efi_device_path;
typedef struct {
u8 b[16];
-} efi_guid_t;
+} efi_guid_t __attribute__((aligned(8)));
#define EFI_BITS_PER_LONG (sizeof(long) * 8)
typedef unsigned long efi_status_t;
typedef u64 efi_physical_addr_t;
typedef u64 efi_virtual_addr_t;
-typedef void *efi_handle_t;
+typedef struct efi_object *efi_handle_t;
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, \
* part of the processor.
*/
EFI_PAL_CODE,
+ /*
+ * Non-volatile memory.
+ */
+ EFI_PERSISTENT_MEMORY_TYPE,
EFI_MAX_MEMORY_TYPE,
EFI_TABLE_END, /* For efi_build_mem_table() */
};
/* Attribute values */
-enum {
- EFI_MEMORY_UC_SHIFT = 0, /* uncached */
- EFI_MEMORY_WC_SHIFT = 1, /* write-coalescing */
- EFI_MEMORY_WT_SHIFT = 2, /* write-through */
- EFI_MEMORY_WB_SHIFT = 3, /* write-back */
- EFI_MEMORY_UCE_SHIFT = 4, /* uncached, exported */
- EFI_MEMORY_WP_SHIFT = 12, /* write-protect */
- EFI_MEMORY_RP_SHIFT = 13, /* read-protect */
- EFI_MEMORY_XP_SHIFT = 14, /* execute-protect */
- EFI_MEMORY_RUNTIME_SHIFT = 63, /* range requires runtime mapping */
-
- EFI_MEMORY_RUNTIME = 1ULL << EFI_MEMORY_RUNTIME_SHIFT,
- EFI_MEM_DESC_VERSION = 1,
-};
+#define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */
+#define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */
+#define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */
+#define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */
+#define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */
+#define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */
+#define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */
+#define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */
+#define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */
+#define EFI_MEMORY_MORE_RELIABLE \
+ ((u64)0x0000000000010000ULL) /* higher reliability */
+#define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */
+#define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
+#define EFI_MEM_DESC_VERSION 1
#define EFI_PAGE_SHIFT 12
-#define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT)
+#define EFI_PAGE_SIZE (1ULL << EFI_PAGE_SHIFT)
#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1)
struct efi_mem_desc {
EFIET_END, /* Signals this is the last (empty) entry */
EFIET_MEMORY_MAP,
EFIET_GOP_MODE,
+ EFIET_SYS_TABLE,
/* Number of entries */
EFIET_MEMORY_COUNT,
} info[];
};
+/**
+ * struct efi_entry_systable - system table passed to U-Boot
+ *
+ * @sys_table: EFI system table address
+ */
+struct efi_entry_systable {
+ efi_physical_addr_t sys_table;
+};
+
static inline struct efi_mem_desc *efi_get_next_mem_desc(
struct efi_entry_memmap *map, struct efi_mem_desc *desc)
{