From nobody Mon May 6 02:18:35 2024 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1513698316413207.31345472047894; Tue, 19 Dec 2017 07:45:16 -0800 (PST) Received: from localhost ([::1]:50643 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRK4s-0008S2-3j for importer@patchew.org; Tue, 19 Dec 2017 10:45:10 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42626) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRJsm-0005XH-Jw for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:33:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRJrW-0001c4-BW for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:32:40 -0500 Received: from heinz.dinsnail.net ([2a01:238:43b4:3200:9392:5dcc:2f0e:a960]:46414) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRJrR-0001Wu-K1 for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:31:18 -0500 Received: from heinz.dinsnail.net ([IPv6:::1]) by heinz.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFU9pk009348; Tue, 19 Dec 2017 16:30:09 +0100 Received: from eldalonde.UUCP (uucp@localhost) by heinz.dinsnail.net (8.14.9/8.14.9/Submit) with bsmtp id vBJFU9T7009347; Tue, 19 Dec 2017 16:30:09 +0100 Received: from rivendell.weiser.dinsnail.net (rivendell.weiser.dinsnail.net [IPv6:fdbc:1bbf:5341::1:8]) by eldalonde.weiser.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFHD7G009009; Tue, 19 Dec 2017 16:17:13 +0100 Received: (from michael@localhost) by rivendell.weiser.dinsnail.net (8.14.9/8.14.3/Submit) id vBJFHDDd005213; Tue, 19 Dec 2017 16:17:13 +0100 From: Michael Weiser To: qemu-devel@nongnu.org Date: Tue, 19 Dec 2017 16:16:33 +0100 Message-Id: <20171219151636.5162-2-michael.weiser@gmx.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171219151636.5162-1-michael.weiser@gmx.de> References: <20171219151636.5162-1-michael.weiser@gmx.de> X-dinsnail-net-MailScanner-Information: Please contact the ISP for more information X-dinsnail-net-MailScanner-ID: vBJFU9pk009348 X-dinsnail-net-MailScanner: Found to be clean X-dinsnail-net-MailScanner-From: michael@rivendell.weiser.dinsnail.net X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a01:238:43b4:3200:9392:5dcc:2f0e:a960 X-Mailman-Approved-At: Tue, 19 Dec 2017 10:38:10 -0500 Subject: [Qemu-devel] [PATCH 1/4] linux-user: Add support for big-endian aarch64 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: Riku Voipio , Michael Weiser , Laurent Vivier 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" Enable big-endian mode for data accesses on aarch64 for big-endian linux user mode. Activate it for all execution levels as documented by ARM: Set the SCTLR EE bit for ELs 1 through 3. Additionally set bit E0E in EL1 to enable it in EL0 as well. Signed-off-by: Michael Weiser Reviewed-by: Richard Henderson --- linux-user/main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/linux-user/main.c b/linux-user/main.c index 2fd2a143ed..7ea863260d 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -4611,6 +4611,12 @@ int main(int argc, char **argv, char **envp) } env->pc =3D regs->pc; env->xregs[31] =3D regs->sp; +#ifdef TARGET_WORDS_BIGENDIAN + env->cp15.sctlr_el[1] |=3D SCTLR_E0E; + for (i =3D 1; i < 4; ++i) { + env->cp15.sctlr_el[i] |=3D SCTLR_EE; + } +#endif } #elif defined(TARGET_ARM) { --=20 2.15.1 From nobody Mon May 6 02:18:35 2024 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 15136987145731012.8589931009485; Tue, 19 Dec 2017 07:51:54 -0800 (PST) Received: from localhost ([::1]:51087 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRKBF-0005fM-Df for importer@patchew.org; Tue, 19 Dec 2017 10:51:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42522) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRJsj-0005U4-R2 for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:33:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRJrJ-0001OJ-Da for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:32:37 -0500 Received: from heinz.dinsnail.net ([2a01:238:43b4:3200:9392:5dcc:2f0e:a960]:46402) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRJrI-0001M9-0Y for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:31:08 -0500 Received: from heinz.dinsnail.net ([IPv6:::1]) by heinz.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFU9aw009354; Tue, 19 Dec 2017 16:30:09 +0100 Received: from eldalonde.UUCP (uucp@localhost) by heinz.dinsnail.net (8.14.9/8.14.9/Submit) with bsmtp id vBJFU97i009351; Tue, 19 Dec 2017 16:30:09 +0100 Received: from rivendell.weiser.dinsnail.net (rivendell.weiser.dinsnail.net [IPv6:fdbc:1bbf:5341::1:8]) by eldalonde.weiser.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFHEAS009013; Tue, 19 Dec 2017 16:17:14 +0100 Received: (from michael@localhost) by rivendell.weiser.dinsnail.net (8.14.9/8.14.3/Submit) id vBJFHErO005214; Tue, 19 Dec 2017 16:17:14 +0100 From: Michael Weiser To: qemu-devel@nongnu.org Date: Tue, 19 Dec 2017 16:16:34 +0100 Message-Id: <20171219151636.5162-3-michael.weiser@gmx.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171219151636.5162-1-michael.weiser@gmx.de> References: <20171219151636.5162-1-michael.weiser@gmx.de> X-dinsnail-net-MailScanner-Information: Please contact the ISP for more information X-dinsnail-net-MailScanner-ID: vBJFU9aw009354 X-dinsnail-net-MailScanner: Found to be clean X-dinsnail-net-MailScanner-From: michael@rivendell.weiser.dinsnail.net X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a01:238:43b4:3200:9392:5dcc:2f0e:a960 X-Mailman-Approved-At: Tue, 19 Dec 2017 10:38:10 -0500 Subject: [Qemu-devel] [PATCH 2/4] linux-user: Add separate aarch64_be uname 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: Riku Voipio , Michael Weiser , Laurent Vivier 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" Make big-endian aarch64 systems identify as aarch64_be as expected by big-endian userland and toolchains. Signed-off-by: Michael Weiser Reviewed-by: Richard Henderson --- linux-user/aarch64/target_syscall.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/linux-user/aarch64/target_syscall.h b/linux-user/aarch64/targe= t_syscall.h index 1b62953eeb..604ab99b14 100644 --- a/linux-user/aarch64/target_syscall.h +++ b/linux-user/aarch64/target_syscall.h @@ -8,7 +8,11 @@ struct target_pt_regs { uint64_t pstate; }; =20 +#if defined(TARGET_WORDS_BIGENDIAN) +#define UNAME_MACHINE "aarch64_be" +#else #define UNAME_MACHINE "aarch64" +#endif #define UNAME_MINIMUM_RELEASE "3.8.0" #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 --=20 2.15.1 From nobody Mon May 6 02:18:35 2024 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 1513698606452875.48219507917; Tue, 19 Dec 2017 07:50:06 -0800 (PST) Received: from localhost ([::1]:50982 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRK9T-0004Ea-D6 for importer@patchew.org; Tue, 19 Dec 2017 10:49:55 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42670) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRJso-0005Z0-74 for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:33:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRJrZ-0001fi-2D for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:32:42 -0500 Received: from heinz.dinsnail.net ([2a01:238:43b4:3200:9392:5dcc:2f0e:a960]:46422) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRJrX-0001d9-NR for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:31:24 -0500 Received: from heinz.dinsnail.net ([IPv6:::1]) by heinz.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFU9Bx009365; Tue, 19 Dec 2017 16:30:09 +0100 Received: from eldalonde.UUCP (uucp@localhost) by heinz.dinsnail.net (8.14.9/8.14.9/Submit) with bsmtp id vBJFU9fr009364; Tue, 19 Dec 2017 16:30:09 +0100 Received: from rivendell.weiser.dinsnail.net (rivendell.weiser.dinsnail.net [IPv6:fdbc:1bbf:5341::1:8]) by eldalonde.weiser.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFHFZe009017; Tue, 19 Dec 2017 16:17:15 +0100 Received: (from michael@localhost) by rivendell.weiser.dinsnail.net (8.14.9/8.14.3/Submit) id vBJFHFo6005215; Tue, 19 Dec 2017 16:17:15 +0100 From: Michael Weiser To: qemu-devel@nongnu.org Date: Tue, 19 Dec 2017 16:16:35 +0100 Message-Id: <20171219151636.5162-4-michael.weiser@gmx.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171219151636.5162-1-michael.weiser@gmx.de> References: <20171219151636.5162-1-michael.weiser@gmx.de> X-dinsnail-net-MailScanner-Information: Please contact the ISP for more information X-dinsnail-net-MailScanner-ID: vBJFU9Bx009365 X-dinsnail-net-MailScanner: Found to be clean X-dinsnail-net-MailScanner-From: michael@rivendell.weiser.dinsnail.net X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a01:238:43b4:3200:9392:5dcc:2f0e:a960 X-Mailman-Approved-At: Tue, 19 Dec 2017 10:38:10 -0500 Subject: [Qemu-devel] [PATCH 3/4] linux-user: Fix endianess of aarch64 signal trampoline 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: Riku Voipio , Michael Weiser , Laurent Vivier 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" Since for aarch64 the signal trampoline is synthesized directly into the signal frame we need to make sure the instructions end up little-endian. Otherwise the wrong endianness will cause a SIGILL upon return from the signal handler on big-endian targets. Signed-off-by: Michael Weiser Reviewed-by: Richard Henderson --- linux-user/signal.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/linux-user/signal.c b/linux-user/signal.c index dae14d4a89..eb3638f61b 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -1599,9 +1599,13 @@ static void target_setup_frame(int usig, struct targ= et_sigaction *ka, if (ka->sa_flags & TARGET_SA_RESTORER) { return_addr =3D ka->sa_restorer; } else { - /* mov x8,#__NR_rt_sigreturn; svc #0 */ - __put_user(0xd2801168, &frame->tramp[0]); - __put_user(0xd4000001, &frame->tramp[1]); + /* + * mov x8,#__NR_rt_sigreturn; svc #0 + * Since these are instructions they need to be put as little-endian + * regardless of target default or current CPU endianness. + */ + __put_user_e(0xd2801168, &frame->tramp[0], le); + __put_user_e(0xd4000001, &frame->tramp[1], le); return_addr =3D frame_addr + offsetof(struct target_rt_sigframe, t= ramp); } env->xregs[0] =3D usig; --=20 2.15.1 From nobody Mon May 6 02:18:35 2024 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 1513698427070513.3214272362103; Tue, 19 Dec 2017 07:47:07 -0800 (PST) Received: from localhost ([::1]:50719 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRK6g-0001T8-UU for importer@patchew.org; Tue, 19 Dec 2017 10:47:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41621) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRJsG-0004vE-NI for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:32:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRJrg-0001mq-EG for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:32:08 -0500 Received: from heinz.dinsnail.net ([2a01:238:43b4:3200:9392:5dcc:2f0e:a960]:46430) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRJrd-0001jR-SF for qemu-devel@nongnu.org; Tue, 19 Dec 2017 10:31:30 -0500 Received: from heinz.dinsnail.net ([IPv6:::1]) by heinz.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFUAdT009367; Tue, 19 Dec 2017 16:30:10 +0100 Received: from eldalonde.UUCP (uucp@localhost) by heinz.dinsnail.net (8.14.9/8.14.9/Submit) with bsmtp id vBJFUAAh009366; Tue, 19 Dec 2017 16:30:10 +0100 Received: from rivendell.weiser.dinsnail.net (rivendell.weiser.dinsnail.net [IPv6:fdbc:1bbf:5341::1:8]) by eldalonde.weiser.dinsnail.net (8.14.9/8.14.9) with ESMTP id vBJFHGI9009021; Tue, 19 Dec 2017 16:17:16 +0100 Received: (from michael@localhost) by rivendell.weiser.dinsnail.net (8.14.9/8.14.3/Submit) id vBJFHGZ8005216; Tue, 19 Dec 2017 16:17:16 +0100 From: Michael Weiser To: qemu-devel@nongnu.org Date: Tue, 19 Dec 2017 16:16:36 +0100 Message-Id: <20171219151636.5162-5-michael.weiser@gmx.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171219151636.5162-1-michael.weiser@gmx.de> References: <20171219151636.5162-1-michael.weiser@gmx.de> X-dinsnail-net-MailScanner-Information: Please contact the ISP for more information X-dinsnail-net-MailScanner-ID: vBJFUAdT009367 X-dinsnail-net-MailScanner: Found to be clean X-dinsnail-net-MailScanner-From: michael@rivendell.weiser.dinsnail.net X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a01:238:43b4:3200:9392:5dcc:2f0e:a960 X-Mailman-Approved-At: Tue, 19 Dec 2017 10:38:10 -0500 Subject: [Qemu-devel] [PATCH 4/4] configure: Add aarch64_be-linux-user target 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: Riku Voipio , Michael Weiser , Laurent Vivier 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" Add target aarch64_be-linux-user. This allows a qemu-aarch64_be binary to be built that will run big-endian aarch64 binaries. Signed-off-by: Michael Weiser Reviewed-by: Richard Henderson --- configure | 9 +++++---- default-configs/aarch64_be-linux-user.mak | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) create mode 100644 default-configs/aarch64_be-linux-user.mak diff --git a/configure b/configure index 9c8aa5a98b..03d95340d8 100755 --- a/configure +++ b/configure @@ -657,7 +657,7 @@ case "$cpu" in cpu=3D"arm" supported_cpu=3D"yes" ;; - aarch64) + aarch64|aarch64_be) cpu=3D"aarch64" supported_cpu=3D"yes" ;; @@ -6345,7 +6345,7 @@ if test "$linux" =3D "yes" ; then s390x) linux_arch=3Ds390 ;; - aarch64) + aarch64|aarch64_be) linux_arch=3Darm64 ;; mips64) @@ -6369,7 +6369,7 @@ target_name=3D$(echo $target | cut -d '-' -f 1) target_bigendian=3D"no" =20 case "$target_name" in - armeb|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcem= b|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb) + armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1= k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensae= b) target_bigendian=3Dyes ;; esac @@ -6424,7 +6424,8 @@ case "$target_name" in mttcg=3D"yes" gdb_xml_files=3D"arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml" ;; - aarch64) + aarch64|aarch64_be) + TARGET_ARCH=3Daarch64 TARGET_BASE_ARCH=3Darm bflt=3D"yes" mttcg=3D"yes" diff --git a/default-configs/aarch64_be-linux-user.mak b/default-configs/aa= rch64_be-linux-user.mak new file mode 100644 index 0000000000..a69d9d2e41 --- /dev/null +++ b/default-configs/aarch64_be-linux-user.mak @@ -0,0 +1 @@ +# Default configuration for aarch64_be-linux-user --=20 2.15.1