diff options
Diffstat (limited to 'src/lib/cbfs.c')
| -rw-r--r-- | src/lib/cbfs.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c index a3294de63e..74df3c5b39 100644 --- a/src/lib/cbfs.c +++ b/src/lib/cbfs.c @@ -91,6 +91,27 @@ int cbfs_locate_file_in_region(struct cbfsf *fh, const char *region_name, return ret; } +static inline bool cbfs_lz4_enabled(void) +{ + if ((ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) && !CONFIG(COMPRESS_PRERAM_STAGES)) + return false; + + return true; +} + +static inline bool cbfs_lzma_enabled(void) +{ + /* We assume here romstage and postcar are never compressed. */ + if (ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) + return false; + if (ENV_ROMSTAGE && CONFIG(POSTCAR_STAGE)) + return false; + if ((ENV_ROMSTAGE || ENV_POSTCAR) + && !CONFIG(COMPRESS_RAMSTAGE)) + return false; + return true; +} + size_t cbfs_load_and_decompress(const struct region_device *rdev, size_t offset, size_t in_size, void *buffer, size_t buffer_size, uint32_t compression) { @@ -105,8 +126,7 @@ size_t cbfs_load_and_decompress(const struct region_device *rdev, size_t offset, return in_size; case CBFS_COMPRESS_LZ4: - if ((ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) && - !CONFIG(COMPRESS_PRERAM_STAGES)) + if (!cbfs_lz4_enabled()) return 0; /* Load the compressed image to the end of the available memory @@ -123,13 +143,7 @@ size_t cbfs_load_and_decompress(const struct region_device *rdev, size_t offset, return out_size; case CBFS_COMPRESS_LZMA: - /* We assume here romstage and postcar are never compressed. */ - if (ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) - return 0; - if (ENV_ROMSTAGE && CONFIG(POSTCAR_STAGE)) - return 0; - if ((ENV_ROMSTAGE || ENV_POSTCAR) - && !CONFIG(COMPRESS_RAMSTAGE)) + if (!cbfs_lzma_enabled()) return 0; void *map = rdev_mmap(rdev, offset, in_size); if (map == NULL) |