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ffc672aa97
Introduce decodetree structure to decode the tx79 opcodes. Start it by moving the existing MFHI1 and MFLO1 opcodes. Remove unnecessary comments. As the TX79 share opcodes with the TX19/TX39/TX49 CPUs, we introduce the decode_ext_txx9() dispatcher where we will add the other decoders later. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210214175912.732946-9-f4bug@amsat.org>
37 lines
728 B
C
37 lines
728 B
C
/*
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* Toshiba TX79-specific instructions translation routines
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*
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* Copyright (c) 2018 Fredrik Noring
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "tcg/tcg-op.h"
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#include "exec/helper-gen.h"
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#include "translate.h"
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/* Include the auto-generated decoder. */
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#include "decode-tx79.c.inc"
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bool decode_ext_tx79(DisasContext *ctx, uint32_t insn)
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{
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if (TARGET_LONG_BITS == 64 && decode_tx79(ctx, insn)) {
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return true;
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}
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return false;
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}
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static bool trans_MFHI1(DisasContext *ctx, arg_rtype *a)
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{
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gen_store_gpr(cpu_HI[1], a->rd);
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return true;
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}
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static bool trans_MFLO1(DisasContext *ctx, arg_rtype *a)
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{
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gen_store_gpr(cpu_LO[1], a->rd);
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return true;
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}
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