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[97.126.115.157]) by smtp.gmail.com with ESMTPSA id c7sm39148321pfh.18.2019.01.25.14.57.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 25 Jan 2019 14:57:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=MFFzvq6J7keduIziCQ7XWqSanpF0U6tnyZK3H2sjZ3c=; b=WE1C+9nWeUUeNUEQoNfGUkbnNvLZmpuT4twkVZSfYr6hx8tXbKhJFsM7n/MNymwRJn ByyxFEL4ZniigfVEZkJ7m2Mq33ZuL1QFEWlOBL50eqGJCOVSx7Nqp2Ck1TbZmLgW5zGC nyTHkvWuHZy9Ckx/BCm9A5DesrxAmie5nY6N4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=MFFzvq6J7keduIziCQ7XWqSanpF0U6tnyZK3H2sjZ3c=; b=A5vsAhAXEwj+3wRZHyTSLIfFaicgg/D65kN4qV5ICTMDN5tSSqgc6JxCqUZ0oL4Iy8 6/FMMIMR5hQsj2cWLyBcOn5swuRP8fogeJ7QZE6GUjM/3tAV2+ThOaYDihwuKOomsgDl C2mud+YYAuFGrOIB6oDLtzatRHHWHWaEDSXTMORDlnHchtxFASF/8P+T9QeQQNdj/1Sz g9cRtFFZ7wZILsL2OVEc4FQ4H80cZTtvhp0TMuKnd1KIgTe2FlLF7HOsIAcMbgT+E/p/ gHs7ifj9+eAB3IufNHaq2GXzm0xs8I38uY5s9VbzBphyS3aKxldnKi5lMWn2UOb2mard PAgQ== X-Gm-Message-State: AJcUukdepJHB5x5a7LAlspJes0QuyhlloaOx2e6P/uYRyof5NDwCUKaG ADNj0qLiWseZh3cqTpSwmbWofZ4kWLM= X-Google-Smtp-Source: ALg8bN5fMpiImBJA1B41KO5WGhnHKfvlYarqIFQmifP4zKcoVPiMjMZXFaivG7iEjDiT/VCsaY++9w== X-Received: by 2002:a17:902:e085:: with SMTP id cb5mr12734881plb.24.1548457044128; Fri, 25 Jan 2019 14:57:24 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 25 Jan 2019 14:57:13 -0800 Message-Id: <20190125225714.10234-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190125225714.10234-1-richard.henderson@linaro.org> References: <20190125225714.10234-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::642 Subject: [Qemu-devel] [PATCH 5/6] linux-user: Implement PR_PAC_RESET_KEYS 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: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/aarch64/target_syscall.h | 7 ++++++ linux-user/syscall.c | 33 +++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/linux-user/aarch64/target_syscall.h b/linux-user/aarch64/targe= t_syscall.h index 937fd7989e..b595e5da82 100644 --- a/linux-user/aarch64/target_syscall.h +++ b/linux-user/aarch64/target_syscall.h @@ -22,6 +22,13 @@ struct target_pt_regs { #define TARGET_PR_SVE_SET_VL 50 #define TARGET_PR_SVE_GET_VL 51 =20 +#define TARGET_PR_PAC_RESET_KEYS 54 +# define TARGET_PR_PAC_APIAKEY (1 << 0) +# define TARGET_PR_PAC_APIBKEY (1 << 1) +# define TARGET_PR_PAC_APDAKEY (1 << 2) +# define TARGET_PR_PAC_APDBKEY (1 << 3) +# define TARGET_PR_PAC_APGAKEY (1 << 4) + void arm_init_pauth_key(ARMPACKey *key); =20 #endif /* AARCH64_TARGET_SYSCALL_H */ diff --git a/linux-user/syscall.c b/linux-user/syscall.c index b5786d4fc1..3e2949aa2f 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9691,6 +9691,39 @@ static abi_long do_syscall1(void *cpu_env, int num, = abi_long arg1, } } return ret; + case TARGET_PR_PAC_RESET_KEYS: + { + CPUARMState *env =3D cpu_env; + ARMCPU *cpu =3D arm_env_get_cpu(env); + + if (cpu_isar_feature(aa64_pauth, cpu)) { + int all =3D (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_API= BKEY | + TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBK= EY | + TARGET_PR_PAC_APGAKEY); + if (arg2 =3D=3D 0) { + arg2 =3D all; + } else if (arg2 & ~all) { + return -TARGET_EINVAL; + } + if (arg2 & TARGET_PR_PAC_APIAKEY) { + arm_init_pauth_key(&env->apia_key); + } + if (arg2 & TARGET_PR_PAC_APIBKEY) { + arm_init_pauth_key(&env->apib_key); + } + if (arg2 & TARGET_PR_PAC_APDAKEY) { + arm_init_pauth_key(&env->apda_key); + } + if (arg2 & TARGET_PR_PAC_APDBKEY) { + arm_init_pauth_key(&env->apdb_key); + } + if (arg2 & TARGET_PR_PAC_APGAKEY) { + arm_init_pauth_key(&env->apga_key); + } + return 0; + } + } + return -TARGET_EINVAL; #endif /* AARCH64 */ case PR_GET_SECCOMP: case PR_SET_SECCOMP: --=20 2.17.2