From nobody Wed Feb 11 02:09:06 2026 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 1523376354601342.42158406700685; Tue, 10 Apr 2018 09:05:54 -0700 (PDT) Received: from localhost ([::1]:54077 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f5vmL-0001Zx-9J for importer@patchew.org; Tue, 10 Apr 2018 12:05:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36365) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f5vis-0007vA-3h for qemu-devel@nongnu.org; Tue, 10 Apr 2018 12:02:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f5vin-0002ME-7s for qemu-devel@nongnu.org; Tue, 10 Apr 2018 12:02:18 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:55049) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f5vim-0002L3-Uw for qemu-devel@nongnu.org; Tue, 10 Apr 2018 12:02:13 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue006 [212.227.15.167]) with ESMTPSA (Nemesis) id 0M8FxW-1eJrAY01ic-00vyc2; Tue, 10 Apr 2018 18:02:00 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Tue, 10 Apr 2018 18:01:42 +0200 Message-Id: <20180410160142.21096-4-laurent@vivier.eu> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180410160142.21096-1-laurent@vivier.eu> References: <20180410160142.21096-1-laurent@vivier.eu> X-Provags-ID: V03:K1:bsUXn79WB+wxd7S+psKHQD9D3aUkHfdUxQ594v9H3aEBrEsAxG1 AzEXrWwvaOH5RGQWZxeimbe2ljc0zYXIZ6k6K6VNKZ4Bb95UaBabqAdl+/BX9aZlphELtRI 20iVKR8P3axp78zIp3Z+FkV1gOa5V7ODlE/IHEENStXxTq7PcKxIsdR3dgriuoCexd1bhfw feIjQ/T++h4skYUgdK1gQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:6TIDUPNW/Mw=:cOjJFyUYG+vxrNWtEzbNCx 5cvniaQB02VPGh0Sh0jasvKMiGj+lCANC0vPWpgqU3Zqpp+1ZwCtfGoY74ND3hFpYnE4TeTpV mU2s1Mk5sywnn7WsbNiwLifUuQMri0LMxCXz/JJDId7gHROAW4q0EpyEV9Xr6CcoOFgCtQNbt kRH7Up0SrIR54Yu06f8FJc6keWi5PIjmLWr1P/BRU83AGw4gQWqyTo11gLd2gXiXem5nIQbV5 HF66QnEaLmB5aZyOYU2PNuP4kafUlUJ9GTXTUyy0Cnkc+xcjemiGLy+KB0icXlRK59qfjFE8O txU/Md1UhKE4g3vSfL4l6gYX2nEc4mAoJvhRhfm5vjI/RuI6MTSiQ4s6vlRwt6nSvh6Fu+fC0 cyY47M7pvfhI++UlBCaRPVe6iha3C5n8WFr+3pqG3BHkWaZb0nCKx2JycmpwkKY3esLkn+dG2 qQfGXD04eGXfquEyFxfeUbIj/8iH+1UOXb1YquBiJxpR6EvHiZjFYgg6ID99Cj77ddYQWXw/u xu8hmy47IzfL6EddHTG8gP6OjQ+UrZ+zIL2F4XLcWjamu9kz7ZJlUI0SXb0fo4Lgo0WBgxqUe JQ0nDea0jtZb5i5QoawqIraL6FZiwYBGDKmgzwB2H1GYN4Y2ZHYVZRkOOhWktAuUTJvB99xjE xsnaP9xLEcq+lr1UdZoEtjGg86dZVfgmulUpeF6JOI8tvXUW9RIKRwq4BLUjHy9jfI9rhrZ3G +YXedUsYI68cecD2cFmol1ZL8nyp9ZAs+RSsQg== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.134 Subject: [Qemu-devel] [PULL v2 3/3] linux-user: implement HWCAP bits on MIPS 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 , Laurent Vivier , James Cowgill 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" From: James Cowgill Add support for the two currently defined HWCAP bits on MIPS - R6 and MSA. Buglink: https://bugs.launchpad.net/qemu/+bug/1754372 Signed-off-by: James Cowgill Reviewed-by: Laurent Vivier Message-Id: <20180315151348.6451-1-james.cowgill@mips.com> Signed-off-by: Laurent Vivier --- linux-user/elfload.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 23e34957f9..c77ed1bb01 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -882,6 +882,30 @@ static void elf_core_copy_regs(target_elf_gregset_t *r= egs, const CPUMIPSState *e #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 =20 +/* See arch/mips/include/uapi/asm/hwcap.h. */ +enum { + HWCAP_MIPS_R6 =3D (1 << 0), + HWCAP_MIPS_MSA =3D (1 << 1), +}; + +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ + MIPSCPU *cpu =3D MIPS_CPU(thread_cpu); + uint32_t hwcaps =3D 0; + +#define GET_FEATURE(flag, hwcap) \ + do { if (cpu->env.insn_flags & (flag)) { hwcaps |=3D hwcap; } } while = (0) + + GET_FEATURE(ISA_MIPS32R6 | ISA_MIPS64R6, HWCAP_MIPS_R6); + GET_FEATURE(ASE_MSA, HWCAP_MIPS_MSA); + +#undef GET_FEATURE + + return hwcaps; +} + #endif /* TARGET_MIPS */ =20 #ifdef TARGET_MICROBLAZE --=20 2.14.3