diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/cbfs.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/include/cbfs.h b/src/include/cbfs.h index 992b6583ca..8d4c2209d2 100644 --- a/src/include/cbfs.h +++ b/src/include/cbfs.h @@ -23,9 +23,12 @@ int cbfs_boot_locate(struct cbfsf *fh, const char *name, uint32_t *type); NOTE: Since this may return a direct pointer to memory-mapped hardware, compressed files are NOT transparently decompressed (unlike cbfs_load()). */ void *cbfs_map(const char *name, size_t *size_out); -/* Removes a mapping previously allocated with cbfs_map(). Should try to unmap - mappings in strict LIFO order where possible, since mapping backends often - don't support more complicated cases. */ +/* Like cbfs_map(), except that it will always read from the read-only CBFS + ("COREBOOT" FMAP region), even when CONFIG(VBOOT) is enabled. */ +void *cbfs_ro_map(const char *name, size_t *size_out); +/* Removes a previously allocated CBFS mapping. Should try to unmap mappings in + strict LIFO order where possible, since mapping backends often don't support + more complicated cases. */ int cbfs_unmap(void *mapping); /* Locate file in a specific region of fmap. Return 0 on success. < 0 on error*/ int cbfs_locate_file_in_region(struct cbfsf *fh, const char *region_name, @@ -34,6 +37,9 @@ int cbfs_locate_file_in_region(struct cbfsf *fh, const char *region_name, success or 0 on error. File will get decompressed as necessary. Same decompression requirements as cbfs_load_and_decompress(). */ size_t cbfs_load(const char *name, void *buf, size_t buf_size); +/* Like cbfs_load(), except that it will always read from the read-only CBFS + ("COREBOOT" FMAP region), even when CONFIG(VBOOT) is enabled. */ +size_t cbfs_ro_load(const char *name, void *buf, size_t buf_size); /* Load |in_size| bytes from |rdev| at |offset| to the |buffer_size| bytes * large |buffer|, decompressing it according to |compression| in the process. * Returns the decompressed file size, or 0 on error. |