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[71.237.47.177]) by smtp.gmail.com with ESMTPSA id l5-20020a6b7b05000000b0073f8a470bacsm4169316iop.16.2023.03.01.10.24.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Mar 2023 10:24:11 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Cc: Kyle Evans , Warner Losh , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , richard.henderson@linaro.org, f4bug@amsat.org, Paolo Bonzini , Juergen Lock Subject: [PULL 06/10] bsd-user: sysctl helper funtions: sysctl_name2oid and sysctl_oidfmt Date: Wed, 1 Mar 2023 11:23:49 -0700 Message-Id: <20230301182353.21559-7-imp@bsdimp.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230301182353.21559-1-imp@bsdimp.com> References: <20230301182353.21559-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2607:f8b0:4864:20::d2e; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Juergen Lock Helper functions for sysctl implementations. sysctl_name2oid and sysctl_oidfmt convert oids between host and targets Signed-off-by: Juergen Lock Reviewed-by: Warner Losh Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/freebsd/os-sys.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/bsd-user/freebsd/os-sys.c b/bsd-user/freebsd/os-sys.c index 2e0a6c058d6..8bd1db69410 100644 --- a/bsd-user/freebsd/os-sys.c +++ b/bsd-user/freebsd/os-sys.c @@ -230,6 +230,24 @@ static void G_GNUC_UNUSED h2g_old_sysctl(void *holdp, size_t *holdlen, uint32_t #endif } +/* + * Convert the undocmented name2oid sysctl data for the target. + */ +static inline void G_GNUC_UNUSED sysctl_name2oid(uint32_t *holdp, size_t holdlen) +{ + size_t i, num = holdlen / sizeof(uint32_t); + + for (i = 0; i < num; i++) { + holdp[i] = tswap32(holdp[i]); + } +} + +static inline void G_GNUC_UNUSED sysctl_oidfmt(uint32_t *holdp) +{ + /* byte swap the kind */ + holdp[0] = tswap32(holdp[0]); +} + /* sysarch() is architecture dependent. */ abi_long do_freebsd_sysarch(void *cpu_env, abi_long arg1, abi_long arg2) { -- 2.39.1