dfb
Debug Flush Barrier (A32)
DFB
Deprecated alias for DSB.
Details
Debug Flush Barrier (Legacy) is a deprecated alias for DSB that is retained for compatibility; it flushes the debug pipeline and ensures all debug operations complete. This instruction should not be used in new code as it is superseded by explicit DSB instructions. Available in A32 instruction set; does not modify condition flags.
Pseudocode Operation
// Deprecated: Flush debug pipeline (equivalent to DSB)
DebugFlushBarrier()
// All debug operations complete (legacy behavior)Example
DFB
Encoding
Binary Layout
11110101011111111111000001001100