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[88.10.102.251]) by smtp.gmail.com with ESMTPSA id f10sm16825599wrs.22.2019.08.21.07.29.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Aug 2019 07:29:14 -0700 (PDT) To: Sandra Loosemore , qemu-devel@nongnu.org References: <20190821142151.19995-1-sandra@codesourcery.com> <20190821142151.19995-2-sandra@codesourcery.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Openpgp: id=89C1E78F601EE86C867495CBA2A3FD6EDEADC0DE; url=http://pgp.mit.edu/pks/lookup?op=get&search=0xA2A3FD6EDEADC0DE Message-ID: Date: Wed, 21 Aug 2019 16:29:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190821142151.19995-2-sandra@codesourcery.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH 1/2] target/nios2: Fix bug in semihosted exit handling 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: Marek Vasut , Chris Wulff , Laurent Vivier Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/21/19 4:21 PM, Sandra Loosemore wrote: > This patch fixes a bug that caused semihosted exit to always return > status 0; it was incorrectly using the value of register R_ARG0 (which > contains the HOSTED_EXIT request number) instead of register R_ARG1. >=20 Fixes: 413a99a92c1 > Signed-off-by: Sandra Loosemore Reviewed-by: Philippe Mathieu-Daud=C3=A9 > --- > target/nios2/nios2-semi.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) >=20 > diff --git a/target/nios2/nios2-semi.c b/target/nios2/nios2-semi.c > index d7a80dd..06c0861 100644 > --- a/target/nios2/nios2-semi.c > +++ b/target/nios2/nios2-semi.c > @@ -215,8 +215,8 @@ void do_nios2_semihosting(CPUNios2State *env) > args =3D env->regs[R_ARG1]; > switch (nr) { > case HOSTED_EXIT: > - gdb_exit(env, env->regs[R_ARG0]); > - exit(env->regs[R_ARG0]); > + gdb_exit(env, env->regs[R_ARG1]); > + exit(env->regs[R_ARG1]); > case HOSTED_OPEN: > GET_ARG(0); > GET_ARG(1); >=20