mhartid Machine Hart ID Reports the unique hart-specific ID in the system. Attributes CSR Address 0xf14 Defining extension Sm, version >= 0 Length 64-bit Privilege Mode M Format Figure 1. mhartid format Field Summary Name Location Type Reset Value ID 63:0 RO UNDEFINED_LEGAL Fields ID Location mhartid[63:0] Description hart-specific ID. Type RO Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored. Reset value UNDEFINED_LEGAL Software read This CSR may return a value that is different from what is stored in hardware. Pruned Original return hartid(); return hartid();