Difference between revisions of "F00D Communication Ports"
m (4 revisions imported)
Revision as of 22:01, 6 January 2019
These ports are used to communication between Trustzone and the F00D Secure Kernel and Second Loader
These are sent to ARM using the lower 16-bits at 0xE0000000. When ARM has read it, it is set to 0.
ARM can write a 32-bit response to 0xE0000010. For ARM->F00D, bit0 is used to indictate the message was written by ARM.
1 = Request succeded 4 = Debug string 0x101 = Main init started 0x102 = Sm can be loaded/resumed 0x103 = Sm resumed successfully 0x104 = Sm was shut down 0x106 = Main shutting down 0x107 = Suspend beginning 0x108 = Ready for suspending, when using the async version. 0x8016 = Error: Invalid address range 0x802F = Error: Failed to init E003, E006.
|0xE0000000||RW||Status||Read for status|
|0xE0000010||RW||Command||Send a command to F00D|