[][src]Function cortex_m::asm::tta

pub fn tta(addr: *mut u32) -> u32

Test Target Alternate Domain

Queries the Security state and access permissions of a memory location for a Non-Secure access to that location. This instruction is only valid when executing in Secure state and is undefined if used from Non-Secure state. Returns a Test Target Response Payload (cf section D1.2.215 of Armv8-M Architecture Reference Manual).