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5 The coreboot bus provides a variety of virtual devices used to
8 What: /sys/bus/coreboot/devices/cbmem-<id>
12 CBMEM is a downwards-growing memory region created by Coreboot,
16 A list of ids known to Coreboot can be found in the coreboot
20 What: /sys/bus/coreboot/devices/cbmem-<id>/address
27 What: /sys/bus/coreboot/devices/cbmem-<id>/size
31 This is the size of the CBMEM entry's data, in hexadecimal
34 What: /sys/bus/coreboot/devices/cbmem-<id>/mem
40 does not guarantee that the data will be page-aligned.
42 The mode of this file is 0600. While there shouldn't be
43 anything security-sensitive contained in CBMEM, read access
44 requires root privileges given this is exposing a small subset
45 of physical memory.