$ ./cbfstool ~/coreboot_images/Apl_Bx_SPI.bin print
W: Multiple (3) CBFS headers found, using the first one.
Apl_Bx_SPI.bin: 8192 kB, bootblocksize 912, romsize 32768, offset 0x0
alignment: 64 bytes, architecture: x86

Name                           Offset     Type         Size
$ ./cbfstool ~/coreboot_images/Apl_Bx_SPI.bin layout
This is a legacy image composed entirely of a single CBFS.
ccraig@hadron:~/git/coreboot-leafhill/util/cbfstool$