From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55322) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fEAPD-00018C-Tq for qemu-devel@nongnu.org; Thu, 03 May 2018 05:20:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fEAPD-0005Be-0K for qemu-devel@nongnu.org; Thu, 03 May 2018 05:20:03 -0400 Received: from mail-lf0-x243.google.com ([2a00:1450:4010:c07::243]:34582) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fEAPC-0005BN-Pb for qemu-devel@nongnu.org; Thu, 03 May 2018 05:20:02 -0400 Received: by mail-lf0-x243.google.com with SMTP id h4-v6so24948969lfc.1 for ; Thu, 03 May 2018 02:20:02 -0700 (PDT) From: "Edgar E. Iglesias" Date: Thu, 3 May 2018 11:19:16 +0200 Message-Id: <20180503091922.28733-24-edgar.iglesias@gmail.com> In-Reply-To: <20180503091922.28733-1-edgar.iglesias@gmail.com> References: <20180503091922.28733-1-edgar.iglesias@gmail.com> Subject: [Qemu-devel] [PATCH v1 23/29] target-microblaze: Implement MFSE EAR List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, richard.henderson@linaro.org, sai.pavan.boddu@xilinx.com, alistair@alistair23.me, frasse.iglesias@gmail.com, edgar.iglesias@xilinx.com From: "Edgar E. Iglesias" Implement MFSE EAR to enable access to the upper part of EAR. Signed-off-by: Edgar E. Iglesias --- target/microblaze/translate.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 0ea100322c..65faa9b97f 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -459,7 +459,7 @@ static void dec_msr(DisasContext *dc) CPUState *cs = CPU(dc->cpu); TCGv_i32 t0, t1; unsigned int sr, rn; - bool to, clrset; + bool to, clrset, extended; sr = extract32(dc->imm, 0, 14); to = extract32(dc->imm, 14, 1); @@ -467,6 +467,9 @@ static void dec_msr(DisasContext *dc) dc->type_b = 1; if (to) { dc->cpustate_changed = 1; + extended = extract32(dc->imm, 24, 1); + } else { + extended = extract32(dc->imm, 19, 1); } /* msrclr and msrset. */ @@ -559,6 +562,10 @@ static void dec_msr(DisasContext *dc) msr_read(dc, cpu_R[dc->rd]); break; case SR_EAR: + if (extended) { + tcg_gen_extrh_i64_i32(cpu_R[dc->rd], cpu_SR[sr]); + break; + } case SR_ESR: case SR_FSR: case SR_BTR: -- 2.14.1