{"id":813898,"url":"http://patchwork.ozlabs.org/api/patches/813898/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170914163505.20558-2-laurent@vivier.eu/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170914163505.20558-2-laurent@vivier.eu>","list_archive_url":null,"date":"2017-09-14T16:35:05","name":"[v4,1/1] target/m68k, linux-user: manage FP registers in ucontext","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"88083583e78227f6e3c69f9f5953c1d7ea6ecad2","submitter":{"id":2628,"url":"http://patchwork.ozlabs.org/api/people/2628/?format=json","name":"Laurent Vivier","email":"laurent@vivier.eu"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170914163505.20558-2-laurent@vivier.eu/mbox/","series":[{"id":3136,"url":"http://patchwork.ozlabs.org/api/series/3136/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3136","date":"2017-09-14T16:35:05","name":"[v4,1/1] target/m68k, linux-user: manage FP registers in ucontext","version":4,"mbox":"http://patchwork.ozlabs.org/series/3136/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/813898/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/813898/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; 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Thu, 14 Sep 2017 12:35:22 -0400","from localhost.localdomain ([78.238.229.36]) by\n\tmrelayeu.kundenserver.de (mreue002 [212.227.15.167]) with ESMTPSA\n\t(Nemesis)\n\tid 0MDpnS-1ddeS30Zyg-00H63B; Thu, 14 Sep 2017 18:35:09 +0200"],"From":"Laurent Vivier ","To":"qemu-devel@nongnu.org","Date":"Thu, 14 Sep 2017 18:35:05 +0200","Message-Id":"<20170914163505.20558-2-laurent@vivier.eu>","X-Mailer":"git-send-email 2.13.5","In-Reply-To":"<20170914163505.20558-1-laurent@vivier.eu>","References":"<20170914163505.20558-1-laurent@vivier.eu>","X-Provags-ID":"V03:K0:PzyGmqUpIxikNM9g/KdYEz68Hq6ShY7ji0CrsFHugWtc/Y/ML6u\n\t3rHpjmGOZjJFE8y/D/uW9OsIPgmNFUSb49OdkKxEm47JD8AvYyXS6At50rFCLL6BDM8Fh4M\n\tnKBIVqcaHOWElYWwzs5bie1D1vDB7oDPrvQjHEGQQ38nxOvuIsALapxap00t3N0VqG7Qsq1\n\tzCFxVvq+DwGNAO6xrQScw==","X-UI-Out-Filterresults":"notjunk:1; V01:K0:JXCnIZuhv4o=:+H1Yveov4fa0TInWS9FZ6n\n\tkzbDNK20eUSBrTu0e2GUk0bnvVUpsUTM9eDXx4phhm2MHy2CP+asRArxaNOKx/SuNjU8W5fZb\n\tOKEh3Uo3+bldJ1ThDGN2CaThA/AFs1UsGsWjB9jWtHpChQYCXl5PY2VOispPhkRUpEGWLsmDR\n\tEH8siKQQMAyot12TbeHvOJBycq+sDjQbZSN+g0TzLGUJP1aeBamx4qXFqvMkmK9IMQYcEo/+j\n\txc2Jlh7yoGIjhweVaZhTItJfEpt81M7qdfZqmgCrjSVuZrdNGF8vSrKHR9rjWF/r8f+Tyw18H\n\thS9T044+VCZNjT9ycGyCddqKtREzl7x2cXxhg8F6ozpu43Aa67a64KKHGhAlPDaNBYEvMvg9y\n\tP/tRjZgGHL+xiE+8Aj39q4PMQdV6JdbnuMyPoD4B3IgHTHYamHQlehkF9pDP4Bg7q4/yYUo4G\n\tTnN8JR0Xoj9LShdkAeLY2/a9pRYnl8NmJK8ma11idLJ0Pm9kmYNe+a/v+7tfueLdMZ2NsqNQK\n\tOnMx1PctY/MUsd5ctzbCoEqk8xou6NvZ9NObfIF+JbCn2ihH/HufIsJlBl3wgHn//qj3T47Qc\n\t+yrry5Y9dcA9mrpwqPYX/QuHrlSaJEAgtL6iG/bWo4C208C6XilBUeQFdPfEduQHwRxthYu3p\n\tUAxRQ2CI0l7O7Qt7sGYNOowDKEW5QKiA9b2F5dq0tAB0DaUSH1b7rfCgvwDJjHT4TswEe5ZKV\n\tj5ghfW8lryr0WiSRg5Kp3n0YCBMz1ND6vKOmCQ==","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"212.227.126.187","Subject":"[Qemu-devel] [PATCH v4 1/1] target/m68k,\n\tlinux-user: manage FP registers in ucontext","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Riku Voipio , Laurent Vivier ,\n\tRichard Henderson ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Signed-off-by: Laurent Vivier \nReviewed-by: Richard Henderson \n---\n linux-user/signal.c | 43 +++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 43 insertions(+)","diff":"diff --git a/linux-user/signal.c b/linux-user/signal.c\nindex cc0c3fcee9..7a238aaea1 100644\n--- a/linux-user/signal.c\n+++ b/linux-user/signal.c\n@@ -5704,6 +5704,24 @@ give_sigsegv:\n force_sigsegv(sig);\n }\n \n+static inline void target_rt_save_fpu_state(struct target_ucontext *uc,\n+ CPUM68KState *env)\n+{\n+ int i;\n+ target_fpregset_t *fpregs = &uc->tuc_mcontext.fpregs;\n+\n+ __put_user(env->fpcr, &fpregs->f_fpcntl[0]);\n+ __put_user(env->fpsr, &fpregs->f_fpcntl[1]);\n+ /* fpiar is not emulated */\n+\n+ for (i = 0; i < 8; i++) {\n+ uint32_t high = env->fregs[i].d.high << 16;\n+ __put_user(high, &fpregs->f_fpregs[i * 3]);\n+ __put_user(env->fregs[i].d.low,\n+ (uint64_t *)&fpregs->f_fpregs[i * 3 + 1]);\n+ }\n+}\n+\n static inline int target_rt_setup_ucontext(struct target_ucontext *uc,\n CPUM68KState *env)\n {\n@@ -5730,9 +5748,32 @@ static inline int target_rt_setup_ucontext(struct target_ucontext *uc,\n __put_user(env->pc, &gregs[16]);\n __put_user(sr, &gregs[17]);\n \n+ target_rt_save_fpu_state(uc, env);\n+\n return 0;\n }\n \n+static inline void target_rt_restore_fpu_state(CPUM68KState *env,\n+ struct target_ucontext *uc)\n+{\n+ int i;\n+ target_fpregset_t *fpregs = &uc->tuc_mcontext.fpregs;\n+ uint32_t fpcr;\n+\n+ __get_user(fpcr, &fpregs->f_fpcntl[0]);\n+ cpu_m68k_set_fpcr(env, fpcr);\n+ __get_user(env->fpsr, &fpregs->f_fpcntl[1]);\n+ /* fpiar is not emulated */\n+\n+ for (i = 0; i < 8; i++) {\n+ uint32_t high;\n+ __get_user(high, &fpregs->f_fpregs[i * 3]);\n+ env->fregs[i].d.high = high >> 16;\n+ __get_user(env->fregs[i].d.low,\n+ (uint64_t *)&fpregs->f_fpregs[i * 3 + 1]);\n+ }\n+}\n+\n static inline int target_rt_restore_ucontext(CPUM68KState *env,\n struct target_ucontext *uc)\n {\n@@ -5764,6 +5805,8 @@ static inline int target_rt_restore_ucontext(CPUM68KState *env,\n __get_user(temp, &gregs[17]);\n cpu_m68k_set_ccr(env, temp);\n \n+ target_rt_restore_fpu_state(env, uc);\n+\n return 0;\n \n badframe:\n","prefixes":["v4","1/1"]}