1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <http://www.gnu.org/licenses/>.
23 The macro's below implement the semantics of the PowerPC jump
27 /* If so required, update the Link Register with the next sequential
28 instruction address */
33 ppc_ia target = cia + 4; \
34 ppc_spr new_address = (ppc_spr)IEA_MASKED(ppc_is_64bit(processor), \
38 ITRACE(trace_branch, \
39 ("UPDATE_LK - update_LK=%d lr=0x%x cia=0x%x\n", \
40 update_LK, LR, cia); \
44 /* take the branch - absolute or relative - possibly updating the link
47 #define BRANCH(ADDRESS) \
51 ppc_ia target = (ppc_ia)(ADDRESS); \
52 nia = (ppc_ia)IEA_MASKED(ppc_is_64bit(processor), target); \
55 ppc_ia target = cia + ADDRESS; \
56 nia = (ppc_ia)IEA_MASKED(ppc_is_64bit(processor), target); \
58 PTRACE(trace_branch, \
59 ("BRANCH - update_AA=%d update_LK=%d nia=0x%x cia=0x%x\n", \
60 update_AA, update_LK, nia, cia); \
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