From nobody Wed Nov 5 10:16:40 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534183902001354.8079367782211; Mon, 13 Aug 2018 11:11:42 -0700 (PDT) Received: from localhost ([::1]:40735 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpHJc-0006Av-Q4 for importer@patchew.org; Mon, 13 Aug 2018 14:11:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59509) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpH39-0005QM-Ut for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fpH34-00075m-LA for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:39 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:55764 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fpH34-00073E-6I for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:34 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 52BBB1A229C; Mon, 13 Aug 2018 19:54:10 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 2D17E1A229B; Mon, 13 Aug 2018 19:54:10 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Mon, 13 Aug 2018 19:52:53 +0200 Message-Id: <1534182832-554-29-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534182832-554-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534182832-554-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PATCH v8 28/87] target/mips: Add emulation of nanoMIPS 16-bit misc instructions 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: peter.maydell@linaro.org, pburton@wavecomp.com, smarkovic@wavecomp.com, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Yongbok Kim Add emulation of misc nanoMIPS 16-bit instructions. Reviewed-by: Richard Henderson Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index 63aa986..c7fdc73 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16711,6 +16711,40 @@ static int decode_nanomips_opc(CPUMIPSState *env, = DisasContext *ctx) op =3D extract32(ctx->opcode, 10, 6); switch (op) { case NM_P16_MV: + rt =3D NANOMIPS_EXTRACT_RD5(ctx->opcode); + if (rt !=3D 0) { + /* MOVE */ + rs =3D NANOMIPS_EXTRACT_RS5(ctx->opcode); + gen_arith(ctx, OPC_ADDU, rt, rs, 0); + } else { + /* P16.RI */ + switch (extract32(ctx->opcode, 3, 2)) { + case NM_P16_SYSCALL: + if (extract32(ctx->opcode, 2, 1) =3D=3D 0) { + generate_exception_end(ctx, EXCP_SYSCALL); + } else { + generate_exception_end(ctx, EXCP_RI); + } + break; + case NM_BREAK16: + generate_exception_end(ctx, EXCP_BREAK); + break; + case NM_SDBBP16: + if (is_uhi(extract32(ctx->opcode, 0, 3))) { + gen_helper_do_semihosting(cpu_env); + } else { + if (ctx->hflags & MIPS_HFLAG_SBRI) { + generate_exception_end(ctx, EXCP_RI); + } else { + generate_exception_end(ctx, EXCP_DBp); + } + } + break; + default: + generate_exception_end(ctx, EXCP_RI); + break; + } + } break; case NM_P16_SHIFT: { @@ -16790,6 +16824,13 @@ static int decode_nanomips_opc(CPUMIPSState *env, = DisasContext *ctx) } break; case NM_LI16: + { + int imm =3D extract32(ctx->opcode, 0, 7); + imm =3D (imm =3D=3D 0x7f ? -1 : imm); + if (rt !=3D 0) { + tcg_gen_movi_tl(cpu_gpr[rt], imm); + } + } break; case NM_ANDI16: break; --=20 2.7.4