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[85.180.181.74]) by smtp.gmail.com with ESMTPSA id y127sm6186493wmg.12.2017.01.11.12.21.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Jan 2017 12:21:23 -0800 (PST) From: Artyom Tarasenko To: qemu-devel@nongnu.org Date: Wed, 11 Jan 2017 21:19:58 +0100 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::241 Subject: [Qemu-devel] [PATCH v2 27/30] target-sparc: add ST_BLKINIT_ ASIs for UA2005+ CPUs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Cave-Ayland , Artyom Tarasenko , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP In OpenSPARC T1+ TWINX ASIs in store instructions are aliased with Block Initializing Store ASIs. "UltraSPARC T1 Supplement Draft D2.1, 14 May 2007" describes them in the chapter "5.9 Block Initializing Store ASIs" Integer stores of all sizes are allowed with these ASIs. Signed-off-by: Artyom Tarasenko --- target/sparc/translate.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 53c327d..e929169 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2321,8 +2321,19 @@ static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, case GET_ASI_EXCP: break; case GET_ASI_DTWINX: /* Reserved for stda. */ +#ifndef TARGET_SPARC64 gen_exception(dc, TT_ILL_INSN); break; +#else + if (!(dc->def->features & CPU_FEATURE_HYPV)) { + /* Pre OpenSPARC CPUs don't have these */ + gen_exception(dc, TT_ILL_INSN); + return; + } + /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions + * are ST_BLKINIT_ ASIs */ + /* fall through */ +#endif case GET_ASI_DIRECT: gen_address_mask(dc, addr); tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop);