diff options
Diffstat (limited to 'cpukit/dtc/libfdt/libfdt_internal.h')
-rw-r--r-- | cpukit/dtc/libfdt/libfdt_internal.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/cpukit/dtc/libfdt/libfdt_internal.h b/cpukit/dtc/libfdt/libfdt_internal.h index d4e0bd49c0..8b580aa507 100644 --- a/cpukit/dtc/libfdt/libfdt_internal.h +++ b/cpukit/dtc/libfdt/libfdt_internal.h @@ -46,6 +46,25 @@ static inline struct fdt_reserve_entry *fdt_mem_rsv_w_(void *fdt, int n) return (void *)(uintptr_t)fdt_mem_rsv_(fdt, n); } +/* + * Internal helpers to access tructural elements of the device tree blob + * (rather than for exaple reading integers from within property values). We + * assume that we are either given a naturally aligned address for the platform + * or if we are not, we are on a platform where unaligned memory reads will be + * handled in a graceful manner. If this is not the case there are _unaligned + * versions of these functions that follow and can be used. + * + */ +static inline uint32_t fdt32_ld_(const fdt32_t *p) +{ + return fdt32_to_cpu(*p); +} + +static inline uint64_t fdt64_ld_(const fdt64_t *p) +{ + return fdt64_to_cpu(*p); +} + #define FDT_SW_MAGIC (~FDT_MAGIC) /**********************************************************************/ |