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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id f12-20020a7bcc0c000000b003f17848673fsm28916167wmh.27.2023.05.12.07.41.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 May 2023 07:41:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683902470; x=1686494470; 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=aGMeEb09oEnMrpyNK209IcBkUtOebSdaEKZrMIshndE=; b=daK08hxLQ2i3lifTHbEReBfJe+G/1ujqs81fDAvariEV4QSzhLcjSHFxmQR+NDpME1 iDmQLpU8mAx4mrsyCqZ019gpE/4yqKUmqugSnkW6Qa0F+ODkIktZ5/1zNgqfv5C3BwYZ hRmUjhoGXxo8X6qfnLlJDPq2zSI4eDVS4EAFJcwd0rfOvltoANFnfWXF1U1twZgMG/dt IghiQdMOWjjtjEEafMglDQczj0i1zUXxF0XuL5u620sUF1f7LhZd3VzoYhCiQTv1aTR5 M/wqeijcTlyCVpLUi34WddBScXtMSIkSzH8lVHawpx41HfwIFROeOcXXDl39ZbXNk+w+ jKtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683902470; x=1686494470; 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=aGMeEb09oEnMrpyNK209IcBkUtOebSdaEKZrMIshndE=; b=RaF6VkrtAZ5ja0s1zUGO0DP7IsTwhyPGD1rki6chAILfJW2ur+lkbg0/sBGbcc0vNh bGPFkbLW0sEwfUCVE44taABc+4c+E2Io/PrhuFT3X6JpN3nu5z0wt1exKuYI3N0vkl9r d+cI8n9ZWlyGp8QQkeB4mQA8/eBZGu4cI6Y1ZncIM99cBJd3p5Xce22lkIlQhH7iqopZ cLmmzD6T1nPvradJQ3TyI02be2KUVRT3CgMnt9ccwWVqGfI64XvvvBjZMG/sa3ZyKUVW uc8K0dAYDUgmNG2DSICEvQUEdCbWWegF0m7dYvC/Q6aP8lgvrRJiTTnvmHDgvs0uoaEd SYGw== X-Gm-Message-State: AC+VfDzOMNbSxkVQihl6mRnzvVADS+sD4DkQMlBbrS7iM3HC2UYIMUxj OKhQ5p947TJKOxiVkZVUIiyeQA== X-Google-Smtp-Source: ACHHUZ4uGV/j990UZ9scgnBLtAwTvs3+Wy4oyzXfCe9CZZg8qF+kkaN95URquO1nzT5Y9oDdzD/hAA== X-Received: by 2002:a1c:750a:0:b0:3f4:16bc:bd19 with SMTP id o10-20020a1c750a000000b003f416bcbd19mr16088948wmc.23.1683902469997; Fri, 12 May 2023 07:41:09 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PATCH 04/20] target/arm: Convert PC-rel addressing to decodetree Date: Fri, 12 May 2023 15:40:50 +0100 Message-Id: <20230512144106.3608981-5-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230512144106.3608981-1-peter.maydell@linaro.org> References: <20230512144106.3608981-1-peter.maydell@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=2a00:1450:4864:20::333; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x333.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, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1683902485019100003 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Convert the ADR and ADRP instructions. Signed-off-by: Richard Henderson [PMM: Rebased] Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/tcg/a64.decode | 13 ++++++++++++ target/arm/tcg/translate-a64.c | 38 +++++++++++++--------------------- 2 files changed, 27 insertions(+), 24 deletions(-) diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 43321bbbb05..bcf46fc37d7 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -18,3 +18,16 @@ # # This file is processed by scripts/decodetree.py # + +&ri rd imm + + +### Data Processing - Immediate + +# PC-rel addressing + +%imm_pcrel 5:s19 29:2 +@pcrel . .. ..... ................... rd:5 &ri imm=3D%imm_pcr= el + +ADR 0 .. 10000 ................... ..... @pcrel +ADRP 1 .. 10000 ................... ..... @pcrel diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 2845febb713..ce3e8b1d08e 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4179,31 +4179,24 @@ static void disas_ldst(DisasContext *s, uint32_t in= sn) } } =20 -/* PC-rel. addressing - * 31 30 29 28 24 23 5 4 0 - * +----+-------+-----------+-------------------+------+ - * | op | immlo | 1 0 0 0 0 | immhi | Rd | - * +----+-------+-----------+-------------------+------+ +/* + * PC-rel. addressing */ -static void disas_pc_rel_adr(DisasContext *s, uint32_t insn) + +static bool trans_ADR(DisasContext *s, arg_ri *a) { - unsigned int page, rd; - int64_t offset; + gen_pc_plus_diff(s, cpu_reg(s, a->rd), a->imm); + return true; +} =20 - page =3D extract32(insn, 31, 1); - /* SignExtend(immhi:immlo) -> offset */ - offset =3D sextract64(insn, 5, 19); - offset =3D offset << 2 | extract32(insn, 29, 2); - rd =3D extract32(insn, 0, 5); +static bool trans_ADRP(DisasContext *s, arg_ri *a) +{ + int64_t offset =3D (int64_t)a->imm << 12; =20 - if (page) { - /* ADRP (page based) */ - offset <<=3D 12; - /* The page offset is ok for CF_PCREL. */ - offset -=3D s->pc_curr & 0xfff; - } - - gen_pc_plus_diff(s, cpu_reg(s, rd), offset); + /* The page offset is ok for CF_PCREL. */ + offset -=3D s->pc_curr & 0xfff; + gen_pc_plus_diff(s, cpu_reg(s, a->rd), offset); + return true; } =20 /* @@ -4656,9 +4649,6 @@ static void disas_extract(DisasContext *s, uint32_t i= nsn) static void disas_data_proc_imm(DisasContext *s, uint32_t insn) { switch (extract32(insn, 23, 6)) { - case 0x20: case 0x21: /* PC-rel. addressing */ - disas_pc_rel_adr(s, insn); - break; case 0x22: /* Add/subtract (immediate) */ disas_add_sub_imm(s, insn); break; --=20 2.34.1