From patchwork Mon Dec 14 20:07:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Packard X-Patchwork-Id: 11972953 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55440C4361B for ; Mon, 14 Dec 2020 20:18:37 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C1FD0207A0 for ; Mon, 14 Dec 2020 20:18:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1FD0207A0 Authentication-Results: mail.kernel.org; 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h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=po7cFpmr3IvSqjD4oZPRT8cmajDRLewCAXzsGkSPr38FV9sb4alAq+46GSnltdr62 N7iDS41HkbIfKxejRNEXJO4bUVuBEPKJdwBd9IR1KwGrGqb4gzr1RD0T3mVyaL8X1u bUse0ryvcbbCv01mYSZaJy/0AxE8E3sQjlgXumlYlqhb3ENJPmzpsVJpGudwMADNAD 9VpjqeUSbHdPiHYgmNdrksFml3zlcG17u4GZ7JHZLjY5OD+wRK1JuytygnTxhS1ZUS FlVKle7s/91a23fQ3lO9g4IAvfFZd5v5PRf9hhK9A8ScdBQ8B85IAeF2QtUi9T1XkT xr/lJXI2n9EYw== Received: by keithp.com (Postfix, from userid 1000) id 620B4158229C; Mon, 14 Dec 2020 12:07:17 -0800 (PST) To: qemu-devel@nongnu.org Subject: [PATCH 9/9] semihosting: Implement SYS_ISERROR Date: Mon, 14 Dec 2020 12:07:13 -0800 Message-Id: <20201214200713.3886611-10-keithp@keithp.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201214200713.3886611-1-keithp@keithp.com> References: <87wnxktost.fsf@linaro.org> <20201214200713.3886611-1-keithp@keithp.com> MIME-Version: 1.0 Received-SPF: pass client-ip=63.227.221.253; envelope-from=keithp@keithp.com; helo=elaine.keithp.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Keith Packard , qemu-riscv@nongnu.org, Sagar Karandikar , Bastian Koppelmann , Laurent Vivier , qemu-arm@nongnu.org, Alistair Francis , Palmer Dabbelt , =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reply-to: Keith Packard X-Patchwork-Original-From: Keith Packard via From: Keith Packard Part of Semihosting for AArch32 and AArch64 Release 2.0 Signed-off-by: Keith Packard --- hw/semihosting/common-semi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/semihosting/common-semi.c b/hw/semihosting/common-semi.c index b0648c3812..abc15bf219 100644 --- a/hw/semihosting/common-semi.c +++ b/hw/semihosting/common-semi.c @@ -59,6 +59,7 @@ #define TARGET_SYS_WRITE 0x05 #define TARGET_SYS_READ 0x06 #define TARGET_SYS_READC 0x07 +#define TARGET_SYS_ISERROR 0x08 #define TARGET_SYS_ISTTY 0x09 #define TARGET_SYS_SEEK 0x0a #define TARGET_SYS_FLEN 0x0c @@ -967,6 +968,9 @@ target_ulong do_common_semihosting(CPUState *cs) return guestfd_fns[gf->type].readfn(cs, gf, arg1, len); case TARGET_SYS_READC: return qemu_semihosting_console_inc(cs->env_ptr); + case TARGET_SYS_ISERROR: + GET_ARG(0); + return (target_long) arg0 < 0 ? 1 : 0; case TARGET_SYS_ISTTY: GET_ARG(0);