2a53cff418
for now only LUI & AUIPC are decoded and translated. If decodetree fails, we fall back to the old decoder. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/*
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* RISC-V translation routines for the RVXI Base Integer Instruction Set.
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*
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* Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
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* Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de
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* Bastian Koppelmann, kbastian@mail.uni-paderborn.de
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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static bool trans_lui(DisasContext *ctx, arg_lui *a)
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{
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if (a->rd != 0) {
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tcg_gen_movi_tl(cpu_gpr[a->rd], a->imm);
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}
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return true;
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}
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static bool trans_auipc(DisasContext *ctx, arg_auipc *a)
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{
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if (a->rd != 0) {
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tcg_gen_movi_tl(cpu_gpr[a->rd], a->imm + ctx->base.pc_next);
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}
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return true;
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}
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