diff options
| -rw-r--r-- | src/include/imd_private.h | 38 | ||||
| -rw-r--r-- | src/lib/imd.c | 33 |
2 files changed, 40 insertions, 31 deletions
diff --git a/src/include/imd_private.h b/src/include/imd_private.h new file mode 100644 index 0000000000..43c3b7d50b --- /dev/null +++ b/src/include/imd_private.h @@ -0,0 +1,38 @@ +#ifndef _IMD_PRIVATE_H_ +#define _IMD_PRIVATE_H_ + +#include <commonlib/bsd/helpers.h> + +/* In-memory data structures. */ +struct imd_root_pointer { + uint32_t magic; + /* Relative to upper limit/offset. */ + int32_t root_offset; +} __packed; + +struct imd_entry { + uint32_t magic; + /* start is located relative to imd_root */ + int32_t start_offset; + uint32_t size; + uint32_t id; +} __packed; + +struct imd_root { + uint32_t max_entries; + uint32_t num_entries; + uint32_t flags; + uint32_t entry_align; + /* Used for fixing the size of an imd. Relative to the root. */ + int32_t max_offset; + struct imd_entry entries[0]; +} __packed; + +#define IMD_ROOT_PTR_MAGIC 0xc0389481 +#define IMD_ENTRY_MAGIC (~0xc0389481) +#define SMALL_REGION_ID CBMEM_ID_IMD_SMALL +#define LIMIT_ALIGN 4096 + +#define IMD_FLAG_LOCKED 1 + +#endif /* _IMD_PRIVATE_H */ diff --git a/src/lib/imd.c b/src/lib/imd.c index 02779651c9..ac19d76f52 100644 --- a/src/lib/imd.c +++ b/src/lib/imd.c @@ -7,39 +7,10 @@ #include <stdlib.h> #include <string.h> #include <types.h> +#include <imd_private.h> -/* For more details on implementation and usage please see the imd.h header. */ -static const uint32_t IMD_ROOT_PTR_MAGIC = 0xc0389481; -static const uint32_t IMD_ENTRY_MAGIC = ~0xc0389481; -static const uint32_t SMALL_REGION_ID = CBMEM_ID_IMD_SMALL; - -/* In-memory data structures. */ -struct imd_root_pointer { - uint32_t magic; - /* Relative to upper limit/offset. */ - int32_t root_offset; -} __packed; - -struct imd_entry { - uint32_t magic; - /* start is located relative to imd_root */ - int32_t start_offset; - uint32_t size; - uint32_t id; -} __packed; - -struct imd_root { - uint32_t max_entries; - uint32_t num_entries; - uint32_t flags; - uint32_t entry_align; - /* Used for fixing the size of an imd. Relative to the root. */ - int32_t max_offset; - struct imd_entry entries[0]; -} __packed; - -#define IMD_FLAG_LOCKED 1 +/* For more details on implementation and usage please see the imd.h header. */ static void *relative_pointer(void *base, ssize_t offset) { |