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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id k4sm16074pgr.87.2020.08.25.14.01.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 14:01:27 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 73/77] target/microblaze: Convert dec_stream to decodetree Date: Tue, 25 Aug 2020 13:59:46 -0700 Message-Id: <20200825205950.730499-74-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::102b; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102b.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 | 6 ++++ target/microblaze/translate.c | 64 ++++++++++++++++++++++++++-------- 2 files changed, 55 insertions(+), 15 deletions(-) diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode index 48c60082e0..79d32c826c 100644 --- a/target/microblaze/insns.decode +++ b/target/microblaze/insns.decode @@ -156,6 +156,9 @@ flt 010110 ..... ..... ----- 0101 000 0000 @typea0 fint 010110 ..... ..... ----- 0110 000 0000 @typea0 fsqrt 010110 ..... ..... 00000 0111 000 0000 @typea0 +get 011011 rd:5 00000 0 ctrl:5 000000 imm:4 +getd 010011 rd:5 00000 rb:5 0 ctrl:5 00000 + idiv 010010 ..... ..... ..... 000 0000 0000 @typea idivu 010010 ..... ..... ..... 000 0000 0010 @typea @@ -198,6 +201,9 @@ pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea +put 011011 00000 ra:5 1 ctrl:5 000000 imm:4 +putd 010011 00000 ra:5 rb:5 1 ctrl:5 00000 + rsub 000001 ..... ..... ..... 000 0000 0000 @typea rsubc 000011 ..... ..... ..... 000 0000 0000 @typea rsubk 000101 ..... ..... ..... 000 0000 0000 @typea diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index e9e4a0e1db..0a05b49f8e 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -1587,33 +1587,68 @@ static void dec_null(DisasContext *dc) } /* Insns connected to FSL or AXI stream attached devices. */ -static void dec_stream(DisasContext *dc) +static bool do_get(DisasContext *dc, int rd, int rb, int imm, int ctrl) { TCGv_i32 t_id, t_ctrl; - int ctrl; if (trap_userspace(dc, true)) { - return; + return true; } t_id = tcg_temp_new_i32(); - if (dc->type_b) { - tcg_gen_movi_i32(t_id, dc->imm & 0xf); - ctrl = dc->imm >> 10; + if (rb) { + tcg_gen_andi_i32(t_id, cpu_R[rb], 0xf); } else { - tcg_gen_andi_i32(t_id, cpu_R[dc->rb], 0xf); - ctrl = dc->imm >> 5; + tcg_gen_movi_i32(t_id, imm); } t_ctrl = tcg_const_i32(ctrl); - - if (dc->rd == 0) { - gen_helper_put(t_id, t_ctrl, cpu_R[dc->ra]); - } else { - gen_helper_get(cpu_R[dc->rd], t_id, t_ctrl); - } + gen_helper_get(reg_for_write(dc, rd), t_id, t_ctrl); tcg_temp_free_i32(t_id); tcg_temp_free_i32(t_ctrl); + return true; +} + +static bool trans_get(DisasContext *dc, arg_get *arg) +{ + return do_get(dc, arg->rd, 0, arg->imm, arg->ctrl); +} + +static bool trans_getd(DisasContext *dc, arg_getd *arg) +{ + return do_get(dc, arg->rd, arg->rb, 0, arg->ctrl); +} + +static bool do_put(DisasContext *dc, int ra, int rb, int imm, int ctrl) +{ + TCGv_i32 t_id, t_ctrl; + + if (trap_userspace(dc, true)) { + return true; + } + + t_id = tcg_temp_new_i32(); + if (rb) { + tcg_gen_andi_i32(t_id, cpu_R[rb], 0xf); + } else { + tcg_gen_movi_i32(t_id, imm); + } + + t_ctrl = tcg_const_i32(ctrl); + gen_helper_get(t_id, t_ctrl, reg_for_read(dc, ra)); + tcg_temp_free_i32(t_id); + tcg_temp_free_i32(t_ctrl); + return true; +} + +static bool trans_put(DisasContext *dc, arg_put *arg) +{ + return do_put(dc, arg->ra, 0, arg->imm, arg->ctrl); +} + +static bool trans_putd(DisasContext *dc, arg_putd *arg) +{ + return do_put(dc, arg->ra, arg->rb, 0, arg->ctrl); } static struct decoder_info { @@ -1623,7 +1658,6 @@ static struct decoder_info { }; void (*dec)(DisasContext *dc); } decinfo[] = { - {DEC_STREAM, dec_stream}, {{0, 0}, dec_null} }; -- 2.25.1