From patchwork Sun Dec 1 15:05:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13889504 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A4830D49773 for ; Sun, 1 Dec 2024 15:11:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tHlWk-0001G8-Gj; Sun, 01 Dec 2024 10:06:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tHlWe-0001BE-Bi for qemu-devel@nongnu.org; Sun, 01 Dec 2024 10:06:20 -0500 Received: from mail-ot1-x32e.google.com ([2607:f8b0:4864:20::32e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tHlWb-00046L-P0 for qemu-devel@nongnu.org; Sun, 01 Dec 2024 10:06:20 -0500 Received: by mail-ot1-x32e.google.com with SMTP id 46e09a7af769-71d537b50beso1429231a34.1 for ; Sun, 01 Dec 2024 07:06:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733065576; x=1733670376; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BCkydIoKayyLe/qvR4jEE53irWYJ4WD9saJmLrQJeZk=; b=Q3ToGFtj0A7DjnLuDfjxE4v/zxQdt7qaxdtmUfhk0vPe1RS3/sVSeWOEa2wqUjlENX rSmj3zObtdpWGa3T86gQ1Imosi3Woqf1qVSOrvQjygsVX+3sCsU8y20h0uF+d0zx7kIa uSqh5En1c2CWcZjGZFjKMnE4ealR1pD1675SZYrHynNf2x/toARUk/5S10qBvqCBDzY/ Pdc/0pykS/+ncgP2z7/fmHa1gmJbjBRGLWFdM7lWQ5ObL0UFgbaWlOTHXGeN3NXdrcNW Vh0xUra1JgGUKjyemlSHym4GV/1f53WqJ1Ji4xDKhM3rvojEAmwm8WtE1Lx6/UONLgu3 KlsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733065576; x=1733670376; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BCkydIoKayyLe/qvR4jEE53irWYJ4WD9saJmLrQJeZk=; b=tXKpZWEAI/+T5GXCZyaVa9QDvhORFhUfR4DsSnhNa4y/jbucFvckryKTamnOlV50ot JHfC70IoFhK+dQpP1qBCsGCalkUxnNgAa8neXHI5qBqaVNGAawZ0RPTLHHfwtLOg1atJ xfAZ7ioEiJk58hdLLo51+KrMOlmzSY8Ihk0RqcjIg3dnXZUU3xyNFD3ZQyCLnVeIwcj+ TfSYQnAlwdyaA3FV5vtm1Cz4415tur2WaYkRpAUYQq3SVUbnxtnltFaK3yooHZQaQ1nB g1Li1tvsu/oCyy2IMxFMPYDCXn1ZFqCjmXIUcTCr0HXUw/efAQPvxibYFmv4LFZgdnsB KJ2g== X-Gm-Message-State: AOJu0YzVsVzZx04F7MF6ZjQCR49VJybp90u9MmHAn4M2gmGjLBabauLQ swMU1Uh2xqhZeZGTivnv2KA8QLwBwpYwn1sXEf9NBZKai4WkZNbsacsSvpsahFUiL0xq36CHGRv 6cYM= X-Gm-Gg: ASbGncspvyG6OTbVVxS8icGmkKniAsN6dZfjtDnPU0e+kw0SR8Hp401AcAlryjldwNP Z9KhL4rcIbpHpVmXgVk8hhT/OO6AJg3P5N93hWEWtgBaGwi66OPi7+qS2tQQFd65fw+3HAYJCdI 5LLFVgl9WdBrq0+iPzmuCO4oQ+RpGOvTMzq4mJX7i00QoQ/7DXFiRmgi/GOBWuXj065EQiexO6w PfMl4+Il8b++eWJbvy5JFYkeDUlyWvcvSfdEI2BFtLNP/B2qrUS56ECD/ZwWHhe5c9UjjdLyj+m yahXZyrNCzK4mx2YZaxQR4qj1LkluZkWT91V X-Google-Smtp-Source: AGHT+IFDPvW77WfvEEMIuaXne+YjsjNLrozsIrpJCw4MFYrHzKH8xIwGYaCUGqkTWsuXCt7wtQmpKg== X-Received: by 2002:a05:6830:4905:b0:71d:3fe2:2053 with SMTP id 46e09a7af769-71d65cf6138mr14259317a34.21.1733065576677; Sun, 01 Dec 2024 07:06:16 -0800 (PST) Received: from localhost.localdomain (fixed-187-189-51-143.totalplay.net. [187.189.51.143]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-71d7254473asm1822220a34.27.2024.12.01.07.06.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Dec 2024 07:06:16 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 06/67] target/arm: Convert PACGA to decodetree Date: Sun, 1 Dec 2024 09:05:05 -0600 Message-ID: <20241201150607.12812-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241201150607.12812-1-richard.henderson@linaro.org> References: <20241201150607.12812-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::32e; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x32e.google.com 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Remove disas_data_proc_2src, as this was the last insn decoded by that function. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/arm/tcg/translate-a64.c | 65 ++++++---------------------------- target/arm/tcg/a64.decode | 2 ++ 2 files changed, 13 insertions(+), 54 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 00e55d42ff..ca8b644dc7 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -7674,6 +7674,16 @@ static bool trans_GMI(DisasContext *s, arg_rrr *a) return false; } +static bool trans_PACGA(DisasContext *s, arg_rrr *a) +{ + if (dc_isar_feature(aa64_pauth, s)) { + gen_helper_pacga(cpu_reg(s, a->rd), tcg_env, + cpu_reg(s, a->rn), cpu_reg_sp(s, a->rm)); + return true; + } + return false; +} + /* Logical (shifted register) * 31 30 29 28 24 23 22 21 20 16 15 10 9 5 4 0 * +----+-----+-----------+-------+---+------+--------+------+------+ @@ -8555,59 +8565,6 @@ static void disas_data_proc_1src(DisasContext *s, uint32_t insn) } -/* Data-processing (2 source) - * 31 30 29 28 21 20 16 15 10 9 5 4 0 - * +----+---+---+-----------------+------+--------+------+------+ - * | sf | 0 | S | 1 1 0 1 0 1 1 0 | Rm | opcode | Rn | Rd | - * +----+---+---+-----------------+------+--------+------+------+ - */ -static void disas_data_proc_2src(DisasContext *s, uint32_t insn) -{ - unsigned int sf, rm, opcode, rn, rd, setflag; - sf = extract32(insn, 31, 1); - setflag = extract32(insn, 29, 1); - rm = extract32(insn, 16, 5); - opcode = extract32(insn, 10, 6); - rn = extract32(insn, 5, 5); - rd = extract32(insn, 0, 5); - - if (setflag && opcode != 0) { - unallocated_encoding(s); - return; - } - - switch (opcode) { - case 12: /* PACGA */ - if (sf == 0 || !dc_isar_feature(aa64_pauth, s)) { - goto do_unallocated; - } - gen_helper_pacga(cpu_reg(s, rd), tcg_env, - cpu_reg(s, rn), cpu_reg_sp(s, rm)); - break; - default: - do_unallocated: - case 0: /* SUBP(S) */ - case 2: /* UDIV */ - case 3: /* SDIV */ - case 4: /* IRG */ - case 5: /* GMI */ - case 8: /* LSLV */ - case 9: /* LSRV */ - case 10: /* ASRV */ - case 11: /* RORV */ - case 16: - case 17: - case 18: - case 19: - case 20: - case 21: - case 22: - case 23: /* CRC32 */ - unallocated_encoding(s); - break; - } -} - /* * Data processing - register * 31 30 29 28 25 21 20 16 10 0 @@ -8674,7 +8631,7 @@ static void disas_data_proc_reg(DisasContext *s, uint32_t insn) if (op0) { /* (1 source) */ disas_data_proc_1src(s, insn); } else { /* (2 source) */ - disas_data_proc_2src(s, insn); + goto do_unallocated; } break; case 0x8 ... 0xf: /* (3 source) */ diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index f0a5ffb1cd..a23d6a6645 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -682,6 +682,8 @@ SUBPS 1 01 11010110 ..... 000000 ..... ..... @rrr IRG 1 00 11010110 ..... 000100 ..... ..... @rrr GMI 1 00 11010110 ..... 000101 ..... ..... @rrr +PACGA 1 00 11010110 ..... 001100 ..... ..... @rrr + # Data Processing (1-source) # Logical (shifted reg) # Add/subtract (shifted reg)