1 /* 2 * Copyright (c) 1982, 1986 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 7.1 (Berkeley) 06/05/86 7 */ 8 9 /* 10 * Location of the users' stored 11 * registers relative to R0. 12 * Usage is u.u_ar0[XX]. 13 */ 14 #define R0 (-18) 15 #define R1 (-17) 16 #define R2 (-16) 17 #define R3 (-15) 18 #define R4 (-14) 19 #define R5 (-13) 20 #define R6 (-12) 21 #define R7 (-11) 22 #define R8 (-10) 23 #define R9 (-9) 24 #define R10 (-8) 25 #define R11 (-7) 26 #define R12 (-21) 27 #define R13 (-20) 28 29 #define AP (-21) 30 #define FP (-20) 31 #define SP (-5) 32 #define PS (-1) 33 #define PC (-2) 34