Lines Matching full:rom
13 Some devices that use TF-M will require initial boot code that is stored in ROM.
22 Henceforth any bootloader stored in ROM will be referred to as BL1, as it would
29 A reference ROM bootloader BL1 has now being added with the same motivation -
37 The reference ROM bootloader provides the following features:
39 - A split between code being stored in ROM and in other non-volatile memory.
42 ROM-only bootloaders.
49 constrained in flash space but have ROM.
67 BL1 is split into two distinct boot stages, BL1_1 which is stored in ROM and
73 Bugs in ROM bootloaders usually cannot be fixed once a device is provisioned /
74 in the field, as ROM code is immutable the only option is fixing the bug in
77 However, it can be very expensive to change the ROM code of devices once
84 mitigate the costs associated with changing ROM code, as a new BL1_2 image can
91 1) BL1_1 begins executing in place from ROM
110 functions stored in ROM. Care should be taken that OTP is sized such that it is
112 ROM functions contain bugs, though less space is needed than if all code is
260 provisioning data. On development platforms with reprogrammable ROM, this is
261 often placed in unused ROM. On production platforms, this should be located in