1 /* 2 * Copyright (c) 1982 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)reg.h 6.2 (Berkeley) 06/08/85 7 */ 8 9 * Location of the users' stored 10 * registers relative to R0. 11 * Usage is u.u_ar0[XX]. 12 */ 13 #define R0 (-18) 14 #define R1 (-17) 15 #define R2 (-16) 16 #define R3 (-15) 17 #define R4 (-14) 18 #define R5 (-13) 19 #define R6 (-12) 20 #define R7 (-11) 21 #define R8 (-10) 22 #define R9 (-9) 23 #define R10 (-8) 24 #define R11 (-7) 25 #define R12 (-21) 26 #define R13 (-20) 27 28 #define AP (-21) 29 #define FP (-20) 30 #define SP (-5) 31 #define PS (-1) 32 #define PC (-2) 33