Lines Matching refs:used
3 [ an asterisk is used for planned usage which is currently unimplemented ]
9 CR 0 (Recovery Counter) used for ptrace
26 CR26 (TR 2) not used
28 CR28 (TR 4) not used
29 CR29 (TR 5) not used
31 CR31 (TR 7) Temporary register, used in various places
39 SR3 used for userspace accesses (current process)
58 N (Nullify next instruction) used by C code
60 B (Taken Branch) used by C code
62 V (divide step correction) used by C code
64 C/B (carry/borrow bits) used by C code
71 I (external interrupt mask) used by cli()/sti() macros
77 Shadow Registers used by interruption handler code
83 Those are used in RETURN FROM INTERRUPTION AND RESTORE instruction to reduce
94 r1,r2,r19-r26,r28,r29 & r31 can be used without saving them first. And of
118 r29 may also be used to pass data back to the caller.
127 used to make references to global variables easier. r30 is