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[174.21.6.47]) by smtp.gmail.com with ESMTPSA id z19sm9760028pfh.185.2018.01.24.15.27.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 24 Jan 2018 15:27:22 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 24 Jan 2018 15:26:17 -0800 Message-Id: <20180124232625.30105-38-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180124232625.30105-1-richard.henderson@linaro.org> References: <20180124232625.30105-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::244 Subject: [Qemu-devel] [PATCH v3 37/45] target/hppa: Implement LDSID for system mode 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: Helge Deller Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Helge Deller Signed-off-by: Helge Deller Message-Id: <20180102203145.GA17059@ls3530.fritz.box> Signed-off-by: Richard Henderson --- target/hppa/translate.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) -- 2.14.3 diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 3327c085ff..cf67ca026e 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2211,8 +2211,20 @@ static DisasJumpType trans_ldsid(DisasContext *ctx, uint32_t insn, unsigned rt = extract32(insn, 0, 5); TCGv_reg dest = dest_gpr(ctx, rt); - /* Since we don't implement space registers, this returns zero. */ +#ifdef CONFIG_USER_ONLY + /* We don't implement space registers in user mode. */ tcg_gen_movi_reg(dest, 0); +#else + unsigned rb = extract32(insn, 21, 5); + unsigned sp = extract32(insn, 14, 2); + TCGv_i64 t0 = tcg_temp_new_i64(); + + tcg_gen_mov_i64(t0, space_select(ctx, sp, load_gpr(ctx, rb))); + tcg_gen_shri_i64(t0, t0, 32); + tcg_gen_trunc_i64_reg(dest, t0); + + tcg_temp_free_i64(t0); +#endif save_gpr(ctx, rt, dest); cond_free(&ctx->null_cond);