1 /* $NetBSD: swapcontext.S,v 1.3 2008/04/28 20:22:55 martin Exp $ */
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
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34 NESTED(swapcontext, 2, 24, ra, IM_RA|IM_A0|IM_A1, 0)
37 stq ra, (24- 8)(sp) /* must save ra, oucp, ucp */
40 CALL(_getcontext) /* getcontext(oucp) */
44 stq t1, (56 + 26 * 8)(t0) /* Adjust saved RA */
45 stq t1, (56 + 32 * 8)(t0) /* Adjust saved PC */
47 stq t1, (56 + 30 * 8)(t0) /* Adjust saved SP */
50 CALL(setcontext) /* setcontext(ucp) */