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([103.100.225.182]) by smtp.gmail.com with ESMTPSA id b12-20020a1709027e0c00b00178ab008364sm17009216plm.37.2022.10.24.06.26.14 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Oct 2022 06:26:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=Oz6SbhxWMBqT3eH0LGJA5+0yBaJCELCj9GF6rT/F9o0=; b=yx/5yQr9Z8WKCYyjmPZbdv+QzggBr5pqdKn+rSyHy8PL9iHKACjScUu0c9+oME83x5 0gR+WtQewuOoTgMsSTztcbcx2u/qnE9/mRWMiWdqXDpkY0RQuD5diRbQTryRGfHDQD0c k848wrRy4VvL5jtP+eceNAzH1ujMhbsZ/yxyjxm/o+bL1QIwY3qCca5E4KLGO6Yxo2Jt jaFwBm0YZ9gB615XCGoijz2vzyiMv6OZoKWYX3pz+caoWE3iUx1Iu11ycR/fm9opxZSI 24WN5XczjLVPTHbQ1uc8nOj9XZ2vhkIS2WpBUOY/pf+UKQJ+jO3cVzccoKxb5nyoZjyl 16tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Oz6SbhxWMBqT3eH0LGJA5+0yBaJCELCj9GF6rT/F9o0=; b=rvwL7MHFYDtopo6LsQkpIkzLFxUCS2MzfBjpFz3bwEu8cXLCzSomDSGsLu0YlPqZkc BsgNsEuhVo+whgI9WP4Vr7wNGAu8VabEkvrM6HCvPksyAZ1Ttz3+D3MLHm57II9ljdw+ qldcFhDm2rQUnITJq1eOOtOOiijrSAd35Je4ndzJAgnFBVVS5/0AEx9E49fVlgHlxWI5 repDbQBQYFlBrALwSS+juJJSlt+E9X0KwWIy5FbpBNIgZPtd4nLETYmZ1Ga1So69Hxlk kaMlQlcdG//Y03uIgAziGdByI4hmWJmITLKu3vdTNuVzTCOzNUMgjXsueFAAUYXskbEU JU1Q== X-Gm-Message-State: ACrzQf01ZVMqXSPuqPCqbKJZLHQj4uZ9n2PV01QN9u0A2MOIzWSXATSm YlcSUVUNS6uRMCtsT7+/eviJQkqgG7RshA== X-Google-Smtp-Source: AMsMyM6ZmFXsk6uj7iW+PzOQiEYNK1mlHAW8fNTirO36yo3SMt/3hlH8M3Tg8CK/ykxiSpVwWynYFg== X-Received: by 2002:a17:90b:3a86:b0:20d:616f:4bb6 with SMTP id om6-20020a17090b3a8600b0020d616f4bb6mr75106842pjb.238.1666617976655; Mon, 24 Oct 2022 06:26:16 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 27/29] target/openrisc: Use cpu_unwind_state_data for mfspr Date: Mon, 24 Oct 2022 23:24:57 +1000 Message-Id: <20221024132459.3229709-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221024132459.3229709-1-richard.henderson@linaro.org> References: <20221024132459.3229709-1-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::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1666621230135100003 Content-Type: text/plain; charset="utf-8" Since we do not plan to exit, use cpu_unwind_state_data and extract exactly the data requested. Signed-off-by: Richard Henderson --- target/openrisc/sys_helper.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c index a3508e421d..dde2fa1623 100644 --- a/target/openrisc/sys_helper.c +++ b/target/openrisc/sys_helper.c @@ -199,6 +199,7 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, targe= t_ulong rd, target_ulong spr) { #ifndef CONFIG_USER_ONLY + uint64_t data[TARGET_INSN_START_WORDS]; MachineState *ms =3D MACHINE(qdev_get_machine()); OpenRISCCPU *cpu =3D env_archcpu(env); CPUState *cs =3D env_cpu(env); @@ -232,14 +233,20 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, tar= get_ulong rd, return env->evbar; =20 case TO_SPR(0, 16): /* NPC (equals PC) */ - cpu_restore_state(cs, GETPC(), false); + if (cpu_unwind_state_data(cs, GETPC(), data)) { + return data[0]; + } return env->pc; =20 case TO_SPR(0, 17): /* SR */ return cpu_get_sr(env); =20 case TO_SPR(0, 18): /* PPC */ - cpu_restore_state(cs, GETPC(), false); + if (cpu_unwind_state_data(cs, GETPC(), data)) { + if (data[1] & 2) { + return data[0] - 4; + } + } return env->ppc; =20 case TO_SPR(0, 32): /* EPCR */ --=20 2.34.1