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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id k4sm16074pgr.87.2020.08.25.14.01.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 14:01:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 69/77] target/microblaze: Convert dec_rts to decodetree Date: Tue, 25 Aug 2020 13:59:42 -0700 Message-Id: <20200825205950.730499-70-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200825205950.730499-1-richard.henderson@linaro.org> References: <20200825205950.730499-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::542; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x542.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- target/microblaze/insns.decode | 5 ++++ target/microblaze/translate.c | 54 +++++++++++++++------------------- 2 files changed, 29 insertions(+), 30 deletions(-) diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode index 21d08289f7..f12e85b492 100644 --- a/target/microblaze/insns.decode +++ b/target/microblaze/insns.decode @@ -199,6 +199,11 @@ rsubic 001011 ..... ..... ................ @typeb rsubik 001101 ..... ..... ................ @typeb rsubikc 001111 ..... ..... ................ @typeb +rtbd 101101 10010 ..... ................ @typeb_bc +rtid 101101 10001 ..... ................ @typeb_bc +rted 101101 10100 ..... ................ @typeb_bc +rtsd 101101 10000 ..... ................ @typeb_bc + sb 110100 ..... ..... ..... 0000 000 0000 @typea sbr 110100 ..... ..... ..... 0100 000 0000 @typea sbea 110100 ..... ..... ..... 0001 000 0000 @typea diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index f79b02e987..22569693f7 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -1291,6 +1291,30 @@ static bool trans_mbar(DisasContext *dc, arg_mbar *arg) return true; } +static bool do_rts(DisasContext *dc, arg_typeb_bc *arg, int to_set) +{ + if (trap_userspace(dc, to_set)) { + return true; + } + if (setup_dslot(dc)) { + return true; + } + dc->tb_flags_to_set |= to_set; + + dc->jmp_cond = TCG_COND_ALWAYS; + dc->jmp_dest = -1; + tcg_gen_addi_i32(cpu_btarget, reg_for_read(dc, arg->ra), arg->imm); + return true; +} + +#define DO_RTS(NAME, IFLAG) \ + static bool trans_##NAME(DisasContext *dc, arg_typeb_bc *arg) \ + { return do_rts(dc, arg, IFLAG); } + +DO_RTS(rtbd, DRTB_FLAG) +DO_RTS(rtid, DRTI_FLAG) +DO_RTS(rted, DRTE_FLAG) +DO_RTS(rtsd, 0) static void msr_read(DisasContext *dc, TCGv_i32 d) { @@ -1553,35 +1577,6 @@ static inline void do_rte(DisasContext *dc) dc->tb_flags &= ~DRTE_FLAG; } -static void dec_rts(DisasContext *dc) -{ - unsigned int b_bit, i_bit, e_bit; - - i_bit = dc->ir & (1 << 21); - b_bit = dc->ir & (1 << 22); - e_bit = dc->ir & (1 << 23); - - if (trap_userspace(dc, i_bit || b_bit || e_bit)) { - return; - } - - if (setup_dslot(dc)) { - return; - } - - if (i_bit) { - dc->tb_flags |= DRTI_FLAG; - } else if (b_bit) { - dc->tb_flags |= DRTB_FLAG; - } else if (e_bit) { - dc->tb_flags |= DRTE_FLAG; - } - - dc->jmp_cond = TCG_COND_ALWAYS; - dc->jmp_dest = -1; - tcg_gen_add_i32(cpu_btarget, cpu_R[dc->ra], *dec_alu_op_b(dc)); -} - static void dec_null(DisasContext *dc) { if (trap_illegal(dc, true)) { @@ -1629,7 +1624,6 @@ static struct decoder_info { }; void (*dec)(DisasContext *dc); } decinfo[] = { - {DEC_RTS, dec_rts}, {DEC_MSR, dec_msr}, {DEC_STREAM, dec_stream}, {{0, 0}, dec_null} -- 2.25.1