diff options
Diffstat (limited to 'payloads')
| -rw-r--r-- | payloads/coreinfo/cbfs_module.c | 3 | ||||
| -rw-r--r-- | payloads/libpayload/include/cbfs_core.h | 24 |
2 files changed, 20 insertions, 7 deletions
diff --git a/payloads/coreinfo/cbfs_module.c b/payloads/coreinfo/cbfs_module.c index ceb0e3cce2..063574731d 100644 --- a/payloads/coreinfo/cbfs_module.c +++ b/payloads/coreinfo/cbfs_module.c @@ -41,7 +41,8 @@ struct cbheader { u32 bootblocksize; u32 align; u32 offset; - u32 pad[2]; + u32 architecture; + u32 pad[1]; } __attribute__ ((packed)); struct cbfile { diff --git a/payloads/libpayload/include/cbfs_core.h b/payloads/libpayload/include/cbfs_core.h index 70368f8a7d..32f2670b5b 100644 --- a/payloads/libpayload/include/cbfs_core.h +++ b/payloads/libpayload/include/cbfs_core.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net> + * Copyright (C) 2012 Google, Inc. * * This file is dual-licensed. You can choose between: * - The GNU GPL, version 2, as published by the Free Software Foundation @@ -76,13 +77,17 @@ /** this is the master cbfs header - it need to be located somewhere in the bootblock. Where it - actually lives is up to coreboot. A pointer to - this header will live at 0xFFFFFFFc, so we can - easily find it. */ + actually lives is up to coreboot. On x86, a + pointer to this header will live at 0xFFFFFFFC, + so we can easily find it. */ #define CBFS_HEADER_MAGIC 0x4F524243 -#define CBFS_HEADPTR_ADDR 0xFFFFFFFc +#if CONFIG_ARCH_X86 +#define CBFS_HEADPTR_ADDR 0xFFFFFFFC +#endif #define VERSION1 0x31313131 +#define VERSION2 0x31313132 +#define VERSION VERSION2 struct cbfs_header { uint32_t magic; @@ -91,9 +96,17 @@ struct cbfs_header { uint32_t bootblocksize; uint32_t align; uint32_t offset; - uint32_t pad[2]; + uint32_t architecture; + uint32_t pad[1]; } __attribute__((packed)); +/* "Unknown" refers to CBFS headers version 1, + * before the architecture was defined (i.e., x86 only). + */ +#define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF +#define CBFS_ARCHITECTURE_X86 0x00000001 +#define CBFS_ARCHITECTURE_ARMV7 0x00000010 + /** This is a component header - every entry in the CBFS will have this header. @@ -178,4 +191,3 @@ void *cbfs_find_file(const char *name, int type); int cbfs_decompress(int algo, void *src, void *dst, int len); struct cbfs_header *get_cbfs_header(void); #endif - |