From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 92455C6FA82 for ; Wed, 14 Sep 2022 13:40:26 +0000 (UTC) Received: from localhost ([::1]:33860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oYScr-0001Rs-O5 for qemu-devel@archiver.kernel.org; Wed, 14 Sep 2022 09:40:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48360) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYSMH-0007zE-PD for qemu-devel@nongnu.org; Wed, 14 Sep 2022 09:23:18 -0400 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:45970) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oYSMG-0000an-3y for qemu-devel@nongnu.org; Wed, 14 Sep 2022 09:23:17 -0400 Received: by mail-wr1-x431.google.com with SMTP id bj14so25650939wrb.12 for ; Wed, 14 Sep 2022 06:23:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=C+e+mVoscBWQrZpSL5BUOyirKvbRFo9Wu/wSgD1UkkU=; b=qvLhzmQ0Bb6I8ahjOwVaUusGAhHQ1kLqQ32dBJty4R/nVYVrHWsLKlD+icT3/nfUzr /bhQNcT/7ySLQaON3jnjDWIUlx8V/XwrZ3xN7O1e7DT7UmBvw0+DCQCIFX0tqU84RP3A ZKGnjl1K64QN60W341krE8gP3JCIIpG8YqigCdu8cdDfBmpivfuniuBKQPUS+bco2uUx xu5r8URtQA+YwYNN5JA6f+e7iMzmBwmYKb7wuDigS3abCAb0DRiIvZKtzHT40IMLzMK5 RMG4dX2H6PpuOCXh5G14mUhdvig0e1aeHEMUEZNmKiXHYWNadOpCHTUxhf5Evujsp8P6 +UAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=C+e+mVoscBWQrZpSL5BUOyirKvbRFo9Wu/wSgD1UkkU=; b=D0aseul52V3qJ92QDmwqXdBiy0FDTsGGxd1DJ2+O/wMzRbJPHHz9ZP+SO0H1aq4sAg oJRxI09bcvcSfCZHOoWNgzku53ewD4fXVtXljocaKZ94uR7x1H3sVdbw9bl93QRxyIhK orE3/zlRHicDTY9hklneFGScZD6DHQDmhI3NNrSfkI+Qy6uIa/AkWjWu/VWwWSUQLVcK 7rlyLMcBj3vremdFqgoXTfXEG4goSIApn2jfHgcLYiGP1D8myo+NKNhzNMRWMt5BaKCx sBLqsZYHzyV3sdVOTJSwVgw6xuZ2TiilCRZhThT7reEaj9Un/Yz27I0HbKJwv8NIsDnF bweQ== X-Gm-Message-State: ACgBeo294P7uaEcSbpK4PCwQn2ab3+vQH9n6kQsQIfuxX+NyrfStVyGl 9HJVBfU3WvqFlsUgQSVdfnXCryAWDtguGLQQ X-Google-Smtp-Source: AA6agR70dk1sYcyIodiTOkJA9br9W6Ddm7cn615wz+9gwSn0qq9V3gRfKp5nDiu/kI7nDlJPVMZOGQ== X-Received: by 2002:a05:6000:508:b0:22a:c5fd:1334 with SMTP id a8-20020a056000050800b0022ac5fd1334mr2574841wrf.636.1663161794432; Wed, 14 Sep 2022 06:23:14 -0700 (PDT) Received: from stoup.. ([89.101.193.70]) by smtp.gmail.com with ESMTPSA id p15-20020a5d48cf000000b00226dedf1ab7sm13768244wrs.76.2022.09.14.06.23.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 06:23:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Laurent Vivier Subject: [PULL 04/11] target/m68k: Convert semihosting errno to gdb remote errno Date: Wed, 14 Sep 2022 14:23:01 +0100 Message-Id: <20220914132308.118495-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220914132308.118495-1-richard.henderson@linaro.org> References: <20220914132308.118495-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x431.google.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The semihosting abi used by m68k uses the gdb remote protocol filesys errnos. Acked-by: Laurent Vivier Signed-off-by: Richard Henderson --- target/m68k/m68k-semi.c | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c index 586a801034..87b1314925 100644 --- a/target/m68k/m68k-semi.c +++ b/target/m68k/m68k-semi.c @@ -41,6 +41,35 @@ #define HOSTED_ISATTY 12 #define HOSTED_SYSTEM 13 +static int host_to_gdb_errno(int err) +{ +#define E(X) case E##X: return GDB_E##X + switch (err) { + E(PERM); + E(NOENT); + E(INTR); + E(BADF); + E(ACCES); + E(FAULT); + E(BUSY); + E(EXIST); + E(NODEV); + E(NOTDIR); + E(ISDIR); + E(INVAL); + E(NFILE); + E(MFILE); + E(FBIG); + E(NOSPC); + E(SPIPE); + E(ROFS); + E(NAMETOOLONG); + default: + return GDB_EUNKNOWN; + } +#undef E +} + static void m68k_semi_u32_cb(CPUState *cs, uint64_t ret, int err) { M68kCPU *cpu = M68K_CPU(cs); @@ -48,7 +77,7 @@ static void m68k_semi_u32_cb(CPUState *cs, uint64_t ret, int err) target_ulong args = env->dregs[1]; if (put_user_u32(ret, args) || - put_user_u32(err, args + 4)) { + put_user_u32(host_to_gdb_errno(err), args + 4)) { /* * The m68k semihosting ABI does not provide any way to report this * error to the guest, so the best we can do is log it in qemu. @@ -67,7 +96,7 @@ static void m68k_semi_u64_cb(CPUState *cs, uint64_t ret, int err) target_ulong args = env->dregs[1]; if (put_user_u32(ret >> 32, args) || put_user_u32(ret, args + 4) || - put_user_u32(err, args + 8)) { + put_user_u32(host_to_gdb_errno(err), args + 8)) { /* No way to report this via m68k semihosting ABI; just log it */ qemu_log_mask(LOG_GUEST_ERROR, "m68k-semihosting: return value " "discarded because argument block not writable\n"); -- 2.34.1