1;; Core of the spinlock implementation 2;; 3;; Copyright (C) 2004 Axis Communications AB. 4;; 5;; Author: Mikael Starvik 6 7 8 .global cris_spin_lock 9 .global cris_spin_trylock 10 11 .text 12 13cris_spin_lock: 14 clearf p 151: test.d [$r10] 16 beq 1b 17 clearf p 18 ax 19 clear.d [$r10] 20 bcs 1b 21 clearf p 22 ret 23 nop 24 25cris_spin_trylock: 26 clearf p 271: move.d [$r10], $r11 28 ax 29 clear.d [$r10] 30 bcs 1b 31 clearf p 32 ret 33 move.d $r11,$r10 34