From nobody Fri Nov 7 12:20:39 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1547831614554252.60418970325657; Fri, 18 Jan 2019 09:13:34 -0800 (PST) Received: from localhost ([127.0.0.1]:43135 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gkXhx-0007AD-Ey for importer@patchew.org; Fri, 18 Jan 2019 12:13:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:45600) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gkXVC-0003hC-Qn for qemu-devel@nongnu.org; Fri, 18 Jan 2019 12:00:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gkXVA-0007Bj-2e for qemu-devel@nongnu.org; Fri, 18 Jan 2019 12:00:18 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:52995 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 1gkXV7-00077Y-GV for qemu-devel@nongnu.org; Fri, 18 Jan 2019 12:00:15 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id C1FE01A2399; Fri, 18 Jan 2019 17:59:55 +0100 (CET) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 921261A22CA; Fri, 18 Jan 2019 17:59:55 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Fri, 18 Jan 2019 17:59:41 +0100 Message-Id: <1547830785-7079-9-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1547830785-7079-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1547830785-7079-1-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] [PULL v2 08/12] target/mips: Update ITU to handle bus errors 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, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Yongbok Kim Update ITU to handle bus errors. Reviewed-by: Stefan Markovic Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic --- hw/misc/mips_itu.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/misc/mips_itu.c b/hw/misc/mips_itu.c index ee1addc..1257d8f 100644 --- a/hw/misc/mips_itu.c +++ b/hw/misc/mips_itu.c @@ -375,6 +375,12 @@ static void view_pv_try_write(ITCStorageCell *c) view_pv_common_write(c); } =20 +static void raise_exception(int excp) +{ + current_cpu->exception_index =3D excp; + cpu_loop_exit(current_cpu); +} + static uint64_t itc_storage_read(void *opaque, hwaddr addr, unsigned size) { MIPSITUState *s =3D (MIPSITUState *)opaque; @@ -382,6 +388,14 @@ static uint64_t itc_storage_read(void *opaque, hwaddr = addr, unsigned size) ITCView view =3D get_itc_view(addr); uint64_t ret =3D -1; =20 + switch (size) { + case 1: + case 2: + s->icr0 |=3D 1 << ITC_ICR0_ERR_AXI; + raise_exception(EXCP_DBE); + return 0; + } + switch (view) { case ITCVIEW_BYPASS: ret =3D view_bypass_read(cell); @@ -420,6 +434,14 @@ static void itc_storage_write(void *opaque, hwaddr add= r, uint64_t data, ITCStorageCell *cell =3D get_cell(s, addr); ITCView view =3D get_itc_view(addr); =20 + switch (size) { + case 1: + case 2: + s->icr0 |=3D 1 << ITC_ICR0_ERR_AXI; + raise_exception(EXCP_DBE); + return; + } + switch (view) { case ITCVIEW_BYPASS: view_bypass_write(cell, data); --=20 2.7.4