#include <linux/string.h>
#include <linux/types.h>
-#ifdef CONFIG_EFI_STUB_64BIT
-/* EFI uses the Microsoft ABI which is not the default for GCC */
+/*
+ * EFI on x86_64 uses the Microsoft ABI which is not the default for GCC.
+ *
+ * There are two scenarios for EFI on x86_64: building a 64-bit EFI stub
+ * codes (CONFIG_EFI_STUB_64BIT) and building a 64-bit U-Boot (CONFIG_X86_64).
+ * Either needs to be properly built with the '-m64' compiler flag, and hence
+ * it is enough to only check the compiler provided define __x86_64__ here.
+ */
+#ifdef __x86_64__
#define EFIAPI __attribute__((ms_abi))
#else
#define EFIAPI asmlinkage
-#endif
+#endif /* __x86_64__ */
struct efi_device_path;
u8 b[16];
} efi_guid_t;
-#define EFI_BITS_PER_LONG BITS_PER_LONG
-
-/*
- * With 64-bit EFI stub, EFI_BITS_PER_LONG has to be 64. EFI_STUB is set
- * in lib/efi/Makefile, when building the stub.
- */
-#if defined(CONFIG_EFI_STUB_64BIT) && defined(EFI_STUB)
-#undef EFI_BITS_PER_LONG
-#define EFI_BITS_PER_LONG 64
-#endif
+#define EFI_BITS_PER_LONG (sizeof(long) * 8)
/* Bit mask for EFI status code with error */
#define EFI_ERROR_MASK (1UL << (EFI_BITS_PER_LONG - 1))
typedef void *efi_handle_t;
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
- ((efi_guid_t) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, \
((a) >> 24) & 0xff, \
(b) & 0xff, ((b) >> 8) & 0xff, \
(c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } })
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } }
/* Generic EFI table header */
struct efi_table_hdr {
};
enum efi_locate_search_type {
- all_handles,
- by_register_notify,
- by_protocol
+ ALL_HANDLES,
+ BY_REGISTER_NOTIFY,
+ BY_PROTOCOL
};
struct efi_open_protocol_info_entry {
enum efi_entry_t {
EFIET_END, /* Signals this is the last (empty) entry */
EFIET_MEMORY_MAP,
+ EFIET_GOP_MODE,
/* Number of entries */
EFIET_MEMORY_COUNT,
struct efi_mem_desc desc[];
};
+/**
+ * struct efi_entry_gopmode - a GOP mode table passed to U-Boot
+ *
+ * @fb_base: EFI's framebuffer base address
+ * @fb_size: EFI's framebuffer size
+ * @info_size: GOP mode info structure size
+ * @info: Start address of the GOP mode info structure
+ */
+struct efi_entry_gopmode {
+ efi_physical_addr_t fb_base;
+ /*
+ * Not like the ones in 'struct efi_gop_mode' which are 'unsigned
+ * long', @fb_size and @info_size have to be 'u64' here. As the EFI
+ * stub codes may have different bit size from the U-Boot payload,
+ * using 'long' will cause mismatch between the producer (stub) and
+ * the consumer (payload).
+ */
+ u64 fb_size;
+ u64 info_size;
+ /*
+ * We cannot directly use 'struct efi_gop_mode_info info[]' here as
+ * it causes compiler to complain: array type has incomplete element
+ * type 'struct efi_gop_mode_info'.
+ */
+ struct /* efi_gop_mode_info */ {
+ u32 version;
+ u32 width;
+ u32 height;
+ u32 pixel_format;
+ u32 pixel_bitmask[4];
+ u32 pixels_per_scanline;
+ } info[];
+};
+
static inline struct efi_mem_desc *efi_get_next_mem_desc(
struct efi_entry_memmap *map, struct efi_mem_desc *desc)
{
/* Start and end of U-Boot image (for payload) */
extern char _binary_u_boot_bin_start[], _binary_u_boot_bin_end[];
+/*
+ * Variable Attributes
+ */
+#define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
+#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
+#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
+#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
+#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
+#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
+#define EFI_VARIABLE_APPEND_WRITE 0x0000000000000040
+
+#define EFI_VARIABLE_MASK (EFI_VARIABLE_NON_VOLATILE | \
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+ EFI_VARIABLE_RUNTIME_ACCESS | \
+ EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
+ EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
+ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
+ EFI_VARIABLE_APPEND_WRITE)
+
/**
* efi_get_sys_table() - Get access to the main EFI system table
*