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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id x15sm876909iob.8.2021.11.07.19.52.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Nov 2021 19:52:23 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v5 15/37] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines Date: Sun, 7 Nov 2021 20:51:14 -0700 Message-Id: <20211108035136.43687-16-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211108035136.43687-1-imp@bsdimp.com> References: <20211108035136.43687-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::136 (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::136; envelope-from=imp@bsdimp.com; helo=mail-il1-x136.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no 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: , Cc: Stacey Son , qemu-trivial@nongnu.org, Kyle Evans , Michael Tokarev , Laurent Vivier , Philippe Mathieu-Daude , Richard Henderson , Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Target specific TLS routines to get and set the TLS values. Signed-off-by: Kyle Evans Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch.h | 28 ++++++++++++++++++++++++ bsd-user/arm/target_arch_cpu.c | 39 ++++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) create mode 100644 bsd-user/arm/target_arch.h create mode 100644 bsd-user/arm/target_arch_cpu.c diff --git a/bsd-user/arm/target_arch.h b/bsd-user/arm/target_arch.h new file mode 100644 index 0000000000..93cfaea098 --- /dev/null +++ b/bsd-user/arm/target_arch.h @@ -0,0 +1,28 @@ +/* + * ARM 32-bit specific prototypes for bsd-user + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef _TARGET_ARCH_H_ +#define _TARGET_ARCH_H_ + +#include "qemu.h" + +void target_cpu_set_tls(CPUARMState *env, target_ulong newtls); +target_ulong target_cpu_get_tls(CPUARMState *env); + +#endif /* !_TARGET_ARCH_H_ */ diff --git a/bsd-user/arm/target_arch_cpu.c b/bsd-user/arm/target_arch_cpu.c new file mode 100644 index 0000000000..02bf9149d5 --- /dev/null +++ b/bsd-user/arm/target_arch_cpu.c @@ -0,0 +1,39 @@ +/* + * arm cpu related code + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ +#include "target_arch.h" + +void target_cpu_set_tls(CPUARMState *env, target_ulong newtls) +{ + if (access_secure_reg(env)) { + env->cp15.tpidrurw_s = newtls; + env->cp15.tpidruro_s = newtls; + return; + } + + env->cp15.tpidr_el[0] = newtls; + env->cp15.tpidrro_el[0] = newtls; +} + +target_ulong target_cpu_get_tls(CPUARMState *env) +{ + if (access_secure_reg(env)) { + return env->cp15.tpidruro_s; + } + return env->cp15.tpidrro_el[0]; +} -- 2.33.0