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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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" All instructions have been convered. Issue sigill if decodetree does not match. Remove argument decode from DisasContext. Signed-off-by: Richard Henderson --- target/microblaze/translate.c | 75 +---------------------------------- 1 file changed, 2 insertions(+), 73 deletions(-) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 0a05b49f8e..2df22e8c2a 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -65,13 +65,7 @@ typedef struct DisasContext { bool r0_set; =20 /* Decoder. */ - int type_b; - uint32_t ir; uint32_t ext_imm; - uint8_t opcode; - uint8_t rd, ra, rb; - uint16_t imm; - unsigned int cpustate_changed; unsigned int tb_flags; unsigned int tb_flags_to_set; @@ -184,21 +178,6 @@ static bool trap_userspace(DisasContext *dc, bool cond) return cond_user; } =20 -static int32_t dec_alu_typeb_imm(DisasContext *dc) -{ - tcg_debug_assert(dc->type_b); - return typeb_imm(dc, (int16_t)dc->imm); -} - -static inline TCGv_i32 *dec_alu_op_b(DisasContext *dc) -{ - if (dc->type_b) { - tcg_gen_movi_i32(cpu_imm, dec_alu_typeb_imm(dc)); - return &cpu_imm; - } - return &cpu_R[dc->rb]; -} - static TCGv_i32 reg_for_read(DisasContext *dc, int reg) { if (likely(reg !=3D 0)) { @@ -1094,7 +1073,7 @@ static bool setup_dslot(DisasContext *dc) } =20 dc->tb_flags_to_set |=3D D_FLAG; - if (dc->type_b && (dc->tb_flags & IMM_FLAG)) { + if (dc->tb_flags & IMM_FLAG) { dc->tb_flags_to_set |=3D BIMM_FLAG; } return false; @@ -1576,16 +1555,6 @@ static void do_rte(DisasContext *dc) dc->tb_flags &=3D ~DRTE_FLAG; } =20 -static void dec_null(DisasContext *dc) -{ - if (trap_illegal(dc, true)) { - return; - } - qemu_log_mask(LOG_GUEST_ERROR, "unknown insn pc=3D%x opc=3D%x\n", - (uint32_t)dc->base.pc_next, dc->opcode); - dc->abort_at_next_insn =3D 1; -} - /* Insns connected to FSL or AXI stream attached devices. */ static bool do_get(DisasContext *dc, int rd, int rb, int imm, int ctrl) { @@ -1651,46 +1620,6 @@ static bool trans_putd(DisasContext *dc, arg_putd *a= rg) return do_put(dc, arg->ra, arg->rb, 0, arg->ctrl); } =20 -static struct decoder_info { - struct { - uint32_t bits; - uint32_t mask; - }; - void (*dec)(DisasContext *dc); -} decinfo[] =3D { - {{0, 0}, dec_null} -}; - -static void old_decode(DisasContext *dc, uint32_t ir) -{ - int i; - - dc->ir =3D ir; - - if (ir =3D=3D 0) { - trap_illegal(dc, dc->cpu->cfg.opcode_0_illegal); - /* Don't decode nop/zero instructions any further. */ - return; - } - - /* bit 2 seems to indicate insn type. */ - dc->type_b =3D ir & (1 << 29); - - dc->opcode =3D EXTRACT_FIELD(ir, 26, 31); - dc->rd =3D EXTRACT_FIELD(ir, 21, 25); - dc->ra =3D EXTRACT_FIELD(ir, 16, 20); - dc->rb =3D EXTRACT_FIELD(ir, 11, 15); - dc->imm =3D EXTRACT_FIELD(ir, 0, 15); - - /* Large switch for all insns. */ - for (i =3D 0; i < ARRAY_SIZE(decinfo); i++) { - if ((dc->opcode & decinfo[i].mask) =3D=3D decinfo[i].bits) { - decinfo[i].dec(dc); - break; - } - } -} - static void mb_tr_init_disas_context(DisasContextBase *dcb, CPUState *cs) { DisasContext *dc =3D container_of(dcb, DisasContext, base); @@ -1757,7 +1686,7 @@ static void mb_tr_translate_insn(DisasContextBase *dc= b, CPUState *cs) =20 ir =3D cpu_ldl_code(env, dc->base.pc_next); if (!decode(dc, ir)) { - old_decode(dc, ir); + trap_illegal(dc, true); } =20 if (dc->r0) { --=20 2.25.1