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([71.212.132.216]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c28066d511sm1720915a91.9.2024.06.05.10.23.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jun 2024 10:23:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1717608208; x=1718213008; 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=lGzoPsZRmPScWxThSjP+3q3DF2qUkZ0NxX72PayX2e8=; b=oRpW+Wo9hLQi+ETHYrA8fXx/FtHwknvZhwey0OFpd8s9mcByheYx6BIiXHBexDDrCl 1Gfj3QwZfIq+PoIvUxz0XKoZKLoxJXTpurtufOHYkveZSsfo/Jt0v90SDBXwdxlb21Vd SgHFg/973KcRHo3cWAwqpxOPJjV9gD+3x1cli0TUHuR5tRjsSe7JKxdyPkxcSPB6jdNt oVxF/lTo4s+8c8p6aJbjS5317aInSMQGQSkQBPZAlrkn57DrTP0jjmjb91bPtaL+7z9F YVlmdTH1LpiLYCBh5/ukZBumAFMwj0dxBe0hhvZznnbT3ckGEEqVOMLwQ3VjjWcicanO jQrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717608208; x=1718213008; 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=lGzoPsZRmPScWxThSjP+3q3DF2qUkZ0NxX72PayX2e8=; b=XdE6HENNTN+J8e464ZLfuTrtBClmvskzjnd7xiD5yCNMVQQ5yAGS+4fBDr6HIVIwCs VszY3StedUVoYFO0KWqGf5uVdn3eRCAhHDs9JIuFj8WBWspShuXnkDAlrlog/wThbcXe LUxTKUdnQanNd7VN7qBhP4O0522bEFNxn4y131rJCP05S1U6RXD1s7+3p9+U0dmei5Vb DmkgpivzFY/vgHZvQACqeZiWTuLw+G5FIPAhzmRHpH2SKtXh57pdZ1Ux4kSSM324EF1V 75YPi2rFDSq6ys88TZPn8/JFthdNWMQrDrg7qJqmd0tqTYEGFdFgwUMal+Am7cbcIe4p qtkw== X-Gm-Message-State: AOJu0Yw50avAkBRhlmPzzhRCZJ31RdFmbTNLaLNqxOYciE5RGBDI2KYt U9cMrRwOcrO2QI8DTgA5xDypjzqjBNAYCquOC5sNmQbK7Ynm689Rss6YQG/SOr5fYvwRD11O7oV 4 X-Google-Smtp-Source: AGHT+IFEgk152lg9mPqTt2/Yx4XCugGafZiWOZjy2Vrc45W15oAPBMMr3g6FH8fXrNZTI3huJFmF4w== X-Received: by 2002:a17:90a:a10a:b0:2c1:9cd4:665b with SMTP id 98e67ed59e1d1-2c27db22aa5mr2991865a91.28.1717608208555; Wed, 05 Jun 2024 10:23:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 36/38] target/sparc: Implement MWAIT Date: Wed, 5 Jun 2024 10:22:51 -0700 Message-Id: <20240605172253.356302-37-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605172253.356302-1-richard.henderson@linaro.org> References: <20240605172253.356302-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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: 1717608330983100008 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 1 + target/sparc/translate.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index a7720560f8..fbcb4f7aef 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -124,6 +124,7 @@ CALL 01 i:s30 WRTICK_CMPR 10 10111 110000 ..... . ............. @n_r_ri WRSTICK 10 11000 110000 ..... . ............. @n_r_ri WRSTICK_CMPR 10 11001 110000 ..... . ............. @n_r_ri + WRMWAIT 10 11100 110000 ..... . ............. @n_r_ri ] # Before v8, rs1=3D=3D0 was WRY, and the rest executed as nop. [ diff --git a/target/sparc/translate.c b/target/sparc/translate.c index b10936a61a..6d0ad38fd5 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -3344,6 +3344,17 @@ static void do_wrpowerdown(DisasContext *dc, TCGv sr= c) =20 TRANS(WRPOWERDOWN, POWERDOWN, do_wr_special, a, supervisor(dc), do_wrpower= down) =20 +static void do_wrmwait(DisasContext *dc, TCGv src) +{ + /* + * TODO: This is a stub version of mwait, which merely recognizes + * interrupts immediately and does not wait. + */ + dc->base.is_jmp =3D DISAS_EXIT; +} + +TRANS(WRMWAIT, VIS4, do_wr_special, a, true, do_wrmwait) + static void do_wrpsr(DisasContext *dc, TCGv src) { gen_helper_wrpsr(tcg_env, src); --=20 2.34.1