From nobody Tue Feb 10 13:55:19 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1598891823; cv=none; d=zohomail.com; s=zohoarc; b=FlaPfUMp6jrziQAq6zQryYlfBisyPvEaxwc/od5nJfRGuawH9PDTNJD0tshJeyz0qzQuYbQkiqv9rU6kccQ0oTGTbC5vl9tQuol45x3WXcT97cPx3bTVNrT/UMXmHWW+zZjGaaIh4Bz12mAZdg+Xhg3Ya0AGkck3fmratFg/kDA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1598891823; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=VlVvLuwvJhqN5DUGPUSEKxjopLK3XRPeauR+IVz+80Y=; b=TuwauxtfuOaDxH8ZPrubYdnDTjYiVk8o0gqnr58UqhqsgGNpJHuiS4d+7uw+j+5h8rFp13KY4JelF5InJ4j/x9J9x+wslB0zQBmggBkiUl1F56IXBtMbivxgpYTBEpFBaJoJudmVUDhQZiKpxQuDcy+qaRrHOgV3Jb1rlan1XvY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1598891823707715.7755893617867; Mon, 31 Aug 2020 09:37:03 -0700 (PDT) Received: from localhost ([::1]:39710 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kCmnm-00009K-Fn for importer@patchew.org; Mon, 31 Aug 2020 12:37:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34854) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kCmLS-0006rR-9r for qemu-devel@nongnu.org; Mon, 31 Aug 2020 12:07:46 -0400 Received: from mail-pj1-x1030.google.com ([2607:f8b0:4864:20::1030]:38604) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kCmLP-0006BV-Ua for qemu-devel@nongnu.org; Mon, 31 Aug 2020 12:07:45 -0400 Received: by mail-pj1-x1030.google.com with SMTP id ls14so26229pjb.3 for ; Mon, 31 Aug 2020 09:07:43 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id gt13sm17218pjb.43.2020.08.31.09.07.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2020 09:07:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VlVvLuwvJhqN5DUGPUSEKxjopLK3XRPeauR+IVz+80Y=; b=g+/KovhH2JGR8JZYQi0xdB3dwyIIHBg6n48noeQelptkxQDESh6LCw/uV8qg4CXO9u VWKxOVd4BiMqupb1Ckw0nFQn7ZZjr4ZoevmbqpSIHWvMYceZujtNBN5VPhmm7Pv/VwGT 6NGMwo4yNKaVFZoauFPBd2q6oRaOOFEfd09rkgv8mppBa8WPqVwi+Hd9u+2xIXD/3ePX Kgil0Yb+mDfwReJ7yc9CvW5P7DSnc2WVUyV3+7f2QnNdAzpJ9kl8n7Y3HtG91JBwvQLy 2xZGxdA7kQaYML/aK8OYh6kzzK8+42CRLb7CeKEeDuQDb2/aqwjtnerw67nG4OvnI8+b QLgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VlVvLuwvJhqN5DUGPUSEKxjopLK3XRPeauR+IVz+80Y=; b=aYA6fG2uNtt3dxbw7kwgkVxdFmSZUUhme54lsNx5oQoG+Nsmycypk3VLSSoReZIJtG c2++pw5eXdWJdXV5h2EB9uWBSuqcqddBRDK8qOFOG+P5ovo2gW6AHCAn6CTHgn7Iozfz gQ0mhk5fCNXpGJyEIQ29AQIm7dS7JqIDuh6zjGO19tV+JnWB4W+9BwSJFOtJvhq9f8P0 4tXIbIHuIEuyyDHLr9VyCJO/iMJY70Lq5xEgUe2jGfeQes8wNQPDQRpvLBRO0Apezgr9 pCQTAatEjZREWx7GO2jrPBI1ExtSzb7rJ6u5hu9bCW+aDNxW/0YgBqrJy4z+b6FogN9M F97A== X-Gm-Message-State: AOAM531uJ6yYMwPQRZzJyKLLB4+/3E5cxxrjTiuKuxMkyqGX78hNswas RixzQOhqD4CvZYhGvO8o0CIR2buFZJ0RMg== X-Google-Smtp-Source: ABdhPJzGmatiyHRoZVMd0Ke3HTlzCh4S+4tnuXItWoJDvs/INKEVHeUn7Lna0CQudfDzEjctAD6hIw== X-Received: by 2002:a17:90a:fb52:: with SMTP id iq18mr96348pjb.162.1598890062128; Mon, 31 Aug 2020 09:07:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 73/76] target/microblaze: Remove last of old decoder Date: Mon, 31 Aug 2020 09:05:58 -0700 Message-Id: <20200831160601.833692-74-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200831160601.833692-1-richard.henderson@linaro.org> References: <20200831160601.833692-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1030; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1030.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 E . Iglesias" , peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" All instructions have been convered. Issue sigill if decodetree does not match. Remove argument decode from DisasContext. Remove microblaze-decode.h. Tested-by: Edgar E. Iglesias Reviewed-by: Edgar E. Iglesias Signed-off-by: Richard Henderson --- target/microblaze/microblaze-decode.h | 59 ---------------------- target/microblaze/translate.c | 73 +-------------------------- 2 files changed, 1 insertion(+), 131 deletions(-) delete mode 100644 target/microblaze/microblaze-decode.h diff --git a/target/microblaze/microblaze-decode.h b/target/microblaze/micr= oblaze-decode.h deleted file mode 100644 index 17b2f29fff..0000000000 --- a/target/microblaze/microblaze-decode.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * MicroBlaze insn decoding macros. - * - * Copyright (c) 2009 Edgar E. Iglesias - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see . - */ - -#ifndef TARGET_MICROBLAZE_MICROBLAZE_DECODE_H -#define TARGET_MICROBLAZE_MICROBLAZE_DECODE_H - -/* Convenient binary macros. */ -#define HEX__(n) 0x##n##LU -#define B8__(x) ((x&0x0000000FLU)?1:0) \ - + ((x&0x000000F0LU)?2:0) \ - + ((x&0x00000F00LU)?4:0) \ - + ((x&0x0000F000LU)?8:0) \ - + ((x&0x000F0000LU)?16:0) \ - + ((x&0x00F00000LU)?32:0) \ - + ((x&0x0F000000LU)?64:0) \ - + ((x&0xF0000000LU)?128:0) -#define B8(d) ((unsigned char)B8__(HEX__(d))) - -/* Decode logic, value and mask. */ -#define DEC_ADD {B8(00000000), B8(00110001)} -#define DEC_SUB {B8(00000001), B8(00110001)} -#define DEC_AND {B8(00100001), B8(00110101)} -#define DEC_XOR {B8(00100010), B8(00110111)} -#define DEC_OR {B8(00100000), B8(00110111)} -#define DEC_BIT {B8(00100100), B8(00111111)} -#define DEC_MSR {B8(00100101), B8(00111111)} - -#define DEC_BARREL {B8(00010001), B8(00110111)} -#define DEC_MUL {B8(00010000), B8(00110111)} -#define DEC_DIV {B8(00010010), B8(00110111)} -#define DEC_FPU {B8(00010110), B8(00111111)} - -#define DEC_LD {B8(00110000), B8(00110100)} -#define DEC_ST {B8(00110100), B8(00110100)} -#define DEC_IMM {B8(00101100), B8(00111111)} - -#define DEC_BR {B8(00100110), B8(00110111)} -#define DEC_BCC {B8(00100111), B8(00110111)} -#define DEC_RTS {B8(00101101), B8(00111111)} - -#define DEC_STREAM {B8(00010011), B8(00110111)} - -#endif diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 2c87d671ae..8f69ca50b2 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -24,7 +24,6 @@ #include "exec/exec-all.h" #include "tcg/tcg-op.h" #include "exec/helper-proto.h" -#include "microblaze-decode.h" #include "exec/cpu_ldst.h" #include "exec/helper-gen.h" #include "exec/translator.h" @@ -65,13 +64,7 @@ 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; @@ -82,8 +75,6 @@ typedef struct DisasContext { =20 /* Immediate branch-taken destination, or -1 for indirect. */ uint32_t jmp_dest; - - int abort_at_next_insn; } DisasContext; =20 static int typeb_imm(DisasContext *dc, int x) @@ -184,21 +175,6 @@ 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)) { @@ -1549,16 +1525,6 @@ 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) { @@ -1624,40 +1590,6 @@ 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; - - /* 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); @@ -1667,7 +1599,6 @@ static void mb_tr_init_disas_context(DisasContextBase= *dcb, CPUState *cs) dc->cpu =3D cpu; dc->tb_flags =3D dc->base.tb->flags; dc->cpustate_changed =3D 0; - dc->abort_at_next_insn =3D 0; dc->ext_imm =3D dc->base.tb->cs_base; dc->r0 =3D NULL; dc->r0_set =3D false; @@ -1724,7 +1655,7 @@ 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) { @@ -1764,8 +1695,6 @@ static void mb_tr_tb_stop(DisasContextBase *dcb, CPUS= tate *cs) { DisasContext *dc =3D container_of(dcb, DisasContext, base); =20 - assert(!dc->abort_at_next_insn); - if (dc->base.is_jmp =3D=3D DISAS_NORETURN) { /* We have already exited the TB. */ return; --=20 2.25.1