X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fefi.h;h=0fe15e65c06c6737d2c6b5ce1da765b25c5afc80;hb=HEAD;hp=1470c0825c4b6f394b5b48cdf42f33acddc95a44;hpb=476476e73b14696563524cbc2627a4c033ea64da;p=u-boot diff --git a/include/efi.h b/include/efi.h index 1470c0825c..0fe15e65c0 100644 --- a/include/efi.h +++ b/include/efi.h @@ -15,23 +15,71 @@ #ifndef _EFI_H #define _EFI_H +#include #include #include +/* + * 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 /* __x86_64__ */ + struct efi_device_path; -#define EFI_SUCCESS 0 -#define EFI_LOAD_ERROR (1 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_INVALID_PARAMETER (2 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_UNSUPPORTED (3 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_BAD_BUFFER_SIZE (4 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_BUFFER_TOO_SMALL (5 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_NOT_READY (6 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_DEVICE_ERROR (7 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_WRITE_PROTECTED (8 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_OUT_OF_RESOURCES (9 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG - 1))) -#define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG - 1))) +typedef struct { + u8 b[16]; +} efi_guid_t; + +#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)) +/* Status codes returned by EFI protocols */ +#define EFI_SUCCESS 0 +#define EFI_LOAD_ERROR (EFI_ERROR_MASK | 1) +#define EFI_INVALID_PARAMETER (EFI_ERROR_MASK | 2) +#define EFI_UNSUPPORTED (EFI_ERROR_MASK | 3) +#define EFI_BAD_BUFFER_SIZE (EFI_ERROR_MASK | 4) +#define EFI_BUFFER_TOO_SMALL (EFI_ERROR_MASK | 5) +#define EFI_NOT_READY (EFI_ERROR_MASK | 6) +#define EFI_DEVICE_ERROR (EFI_ERROR_MASK | 7) +#define EFI_WRITE_PROTECTED (EFI_ERROR_MASK | 8) +#define EFI_OUT_OF_RESOURCES (EFI_ERROR_MASK | 9) +#define EFI_VOLUME_CORRUPTED (EFI_ERROR_MASK | 10) +#define EFI_VOLUME_FULL (EFI_ERROR_MASK | 11) +#define EFI_NO_MEDIA (EFI_ERROR_MASK | 12) +#define EFI_MEDIA_CHANGED (EFI_ERROR_MASK | 13) +#define EFI_NOT_FOUND (EFI_ERROR_MASK | 14) +#define EFI_ACCESS_DENIED (EFI_ERROR_MASK | 15) +#define EFI_NO_RESPONSE (EFI_ERROR_MASK | 16) +#define EFI_NO_MAPPING (EFI_ERROR_MASK | 17) +#define EFI_TIMEOUT (EFI_ERROR_MASK | 18) +#define EFI_NOT_STARTED (EFI_ERROR_MASK | 19) +#define EFI_ALREADY_STARTED (EFI_ERROR_MASK | 20) +#define EFI_ABORTED (EFI_ERROR_MASK | 21) +#define EFI_ICMP_ERROR (EFI_ERROR_MASK | 22) +#define EFI_TFTP_ERROR (EFI_ERROR_MASK | 23) +#define EFI_PROTOCOL_ERROR (EFI_ERROR_MASK | 24) +#define EFI_INCOMPATIBLE_VERSION (EFI_ERROR_MASK | 25) +#define EFI_SECURITY_VIOLATION (EFI_ERROR_MASK | 26) +#define EFI_CRC_ERROR (EFI_ERROR_MASK | 27) +#define EFI_END_OF_MEDIA (EFI_ERROR_MASK | 28) +#define EFI_END_OF_FILE (EFI_ERROR_MASK | 31) +#define EFI_INVALID_LANGUAGE (EFI_ERROR_MASK | 32) +#define EFI_COMPROMISED_DATA (EFI_ERROR_MASK | 33) +#define EFI_IP_ADDRESS_CONFLICT (EFI_ERROR_MASK | 34) +#define EFI_HTTP_ERROR (EFI_ERROR_MASK | 35) + +#define EFI_WARN_DELETE_FAILURE 2 typedef unsigned long efi_status_t; typedef u64 efi_physical_addr_t; @@ -39,12 +87,11 @@ typedef u64 efi_virtual_addr_t; 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 { @@ -72,7 +119,7 @@ enum efi_mem_type { /* The code portions of a loaded Boot Services Driver */ EFI_BOOT_SERVICES_CODE, /* - * The data portions of a loaded Boot Serves Driver and + * The data portions of a loaded Boot Services Driver and * the default data allocation type used by a Boot Services * Driver to allocate pool memory. */ @@ -132,6 +179,7 @@ enum { #define EFI_PAGE_SHIFT 12 #define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) +#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) struct efi_mem_desc { u32 type; @@ -142,6 +190,8 @@ struct efi_mem_desc { u64 attribute; }; +#define EFI_MEMORY_DESCRIPTOR_VERSION 1 + /* Allocation types for calls to boottime->allocate_pages*/ #define EFI_ALLOCATE_ANY_PAGES 0 #define EFI_ALLOCATE_MAX_ADDRESS 1 @@ -174,9 +224,9 @@ struct efi_time_cap { }; 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 { @@ -189,6 +239,7 @@ 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, @@ -245,6 +296,40 @@ struct efi_entry_memmap { 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) { @@ -269,7 +354,26 @@ struct efi_priv { extern char image_base[]; /* Start and end of U-Boot image (for payload) */ -extern char _binary_u_boot_dtb_bin_start[], _binary_u_boot_dtb_bin_end[]; +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