From patchwork Fri Sep 1 10:12:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1828776 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RcYmT6sXvz1ygM for ; Fri, 1 Sep 2023 20:14:33 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qc19b-0001NA-Tg; Fri, 01 Sep 2023 06:13:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qc19O-0001K2-NI for qemu-devel@nongnu.org; Fri, 01 Sep 2023 06:13:16 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qc19M-0001am-6p for qemu-devel@nongnu.org; Fri, 01 Sep 2023 06:13:14 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 351371E731; Fri, 1 Sep 2023 13:13:39 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 1D21025069; Fri, 1 Sep 2023 13:13:03 +0300 (MSK) Received: (nullmailer pid 3618996 invoked by uid 1000); Fri, 01 Sep 2023 10:13:02 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Michael Tokarev , Eric Blake Subject: [PATCH 4/8] os-posix.c, softmmu/vl.c: move os_parse_cmd_args() into qemu_init() Date: Fri, 1 Sep 2023 13:12:58 +0300 Message-Id: <20230901101302.3618955-5-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230901101302.3618955-1-mjt@tls.msk.ru> References: <20230901101302.3618955-1-mjt@tls.msk.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This will stop linking softmmu-specific os_parse_cmd_args() into every qemu executable which happens to use other functions from os-posix.c, such as os_set_line_buffering() or os_setup_signal_handling(). Also, since there's no win32-specific options, *all* option parsing is now done in softmmu/vl.c:qemu_init(), which is easier to read without extra indirection, - all options are in the single function now. This effectively reverts commit 59a5264b99434. Signed-off-by: Michael Tokarev Reviewed-by: Eric Blake --- include/sysemu/os-posix.h | 1 - include/sysemu/os-win32.h | 1 - os-posix.c | 82 --------------------------------------- softmmu/vl.c | 76 ++++++++++++++++++++++++++++++++++-- 4 files changed, 73 insertions(+), 87 deletions(-) diff --git a/include/sysemu/os-posix.h b/include/sysemu/os-posix.h index 8a66763395..6dfdcbb086 100644 --- a/include/sysemu/os-posix.h +++ b/include/sysemu/os-posix.h @@ -42,7 +42,6 @@ extern "C" { #endif -int os_parse_cmd_args(int index, const char *optarg); void os_set_line_buffering(void); void os_setup_early_signal_handling(void); void os_set_proc_name(const char *s); diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h index 91aa0d7ec0..8ae30fac15 100644 --- a/include/sysemu/os-win32.h +++ b/include/sysemu/os-win32.h @@ -101,7 +101,6 @@ static inline void os_setup_signal_handling(void) {} static inline void os_daemonize(void) {} static inline void os_setup_post(void) {} static inline void os_set_proc_name(const char *dummy) {} -static inline int os_parse_cmd_args(int index, const char *optarg) { return -1; } void os_set_line_buffering(void); void os_setup_early_signal_handling(void); diff --git a/os-posix.c b/os-posix.c index 081f3db685..4102fcdb5e 100644 --- a/os-posix.c +++ b/os-posix.c @@ -31,18 +31,13 @@ /* Needed early for CONFIG_BSD etc. */ #include "net/slirp.h" -#include "qemu/qemu-options.h" #include "qemu/error-report.h" #include "qemu/log.h" #include "sysemu/runstate.h" #include "qemu/cutils.h" -#include "qemu/config-file.h" -#include "qemu/option.h" -#include "qemu/module.h" #ifdef CONFIG_LINUX #include -#include "qemu/async-teardown.h" #endif /* @@ -142,59 +137,6 @@ bool os_set_runas(const char *optarg) return true; } -/* - * Parse OS specific command line options. - * return 0 if option handled, -1 otherwise - */ -int os_parse_cmd_args(int index, const char *optarg) -{ - switch (index) { - case QEMU_OPTION_runas: - if (!os_set_runas(optarg)) { - error_report("User \"%s\" doesn't exist" - " (and is not :)", - optarg); - exit(1); - } - break; - case QEMU_OPTION_chroot: - warn_report("option is deprecated, use '-run-with chroot=...' instead"); - os_set_chroot(optarg); - break; - case QEMU_OPTION_daemonize: - daemonize = 1; - break; -#if defined(CONFIG_LINUX) - /* deprecated */ - case QEMU_OPTION_asyncteardown: - init_async_teardown(); - break; -#endif - case QEMU_OPTION_run_with: { - const char *str; - QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("run-with"), - optarg, false); - if (!opts) { - exit(1); - } -#if defined(CONFIG_LINUX) - if (qemu_opt_get_bool(opts, "async-teardown", false)) { - init_async_teardown(); - } -#endif - str = qemu_opt_get(opts, "chroot"); - if (str) { - os_set_chroot(str); - } - break; - } - default: - return -1; - } - - return 0; -} - static void change_process_uid(void) { assert((user_uid == (uid_t)-1) || user_pwd == NULL); @@ -371,27 +313,3 @@ int os_mlock(void) return -ENOSYS; #endif } - -static QemuOptsList qemu_run_with_opts = { - .name = "run-with", - .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head), - .desc = { -#if defined(CONFIG_LINUX) - { - .name = "async-teardown", - .type = QEMU_OPT_BOOL, - }, -#endif - { - .name = "chroot", - .type = QEMU_OPT_STRING, - }, - { /* end of list */ } - }, -}; - -static void register_runwith(void) -{ - qemu_add_opts(&qemu_run_with_opts); -} -opts_init(register_runwith); diff --git a/softmmu/vl.c b/softmmu/vl.c index b0b96f67fa..0a74810ca3 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -49,6 +49,7 @@ #include "qemu/error-report.h" #include "qemu/sockets.h" #include "qemu/accel.h" +#include "qemu/async-teardown.h" #include "hw/usb.h" #include "hw/isa/isa.h" #include "hw/scsi/scsi.h" @@ -748,6 +749,33 @@ static QemuOptsList qemu_smp_opts = { }, }; +#if defined(CONFIG_POSIX) +static QemuOptsList qemu_run_with_opts = { + .name = "run-with", + .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head), + .desc = { +#if defined(CONFIG_LINUX) + { + .name = "async-teardown", + .type = QEMU_OPT_BOOL, + }, +#endif + { + .name = "chroot", + .type = QEMU_OPT_STRING, + }, + { /* end of list */ } + }, +}; + +#define qemu_add_run_with_opts() qemu_add_opts(&qemu_run_with_opts) + +#else + +#define qemu_add_run_with_opts() + +#endif /* CONFIG_POSIX */ + static void realtime_init(void) { if (enable_mlock) { @@ -2704,6 +2732,7 @@ void qemu_init(int argc, char **argv) qemu_add_opts(&qemu_semihosting_config_opts); qemu_add_opts(&qemu_fw_cfg_opts); qemu_add_opts(&qemu_action_opts); + qemu_add_run_with_opts(); module_call_init(MODULE_INIT_OPTS); error_init(argv[0]); @@ -3522,11 +3551,52 @@ void qemu_init(int argc, char **argv) case QEMU_OPTION_nouserconfig: /* Nothing to be parsed here. Especially, do not error out below. */ break; - default: - if (os_parse_cmd_args(popt->index, optarg)) { - error_report("Option not supported in this build"); +#if defined(CONFIG_POSIX) + case QEMU_OPTION_runas: + if (!os_set_runas(optarg)) { + error_report("User \"%s\" doesn't exist" + " (and is not :)", + optarg); + exit(1); + } + break; + case QEMU_OPTION_chroot: + warn_report("option is deprecated," + " use '-run-with chroot=...' instead"); + os_set_chroot(optarg); + break; + case QEMU_OPTION_daemonize: + os_set_daemonize(true); + break; +#if defined(CONFIG_LINUX) + /* deprecated */ + case QEMU_OPTION_asyncteardown: + init_async_teardown(); + break; +#endif + case QEMU_OPTION_run_with: { + const char *str; + opts = qemu_opts_parse_noisily(qemu_find_opts("run-with"), + optarg, false); + if (!opts) { exit(1); } +#if defined(CONFIG_LINUX) + if (qemu_opt_get_bool(opts, "async-teardown", false)) { + init_async_teardown(); + } +#endif + str = qemu_opt_get(opts, "chroot"); + if (str) { + os_set_chroot(str); + } + break; + } +#endif /* CONFIG_POSIX */ + + default: + error_report("Option not supported in this build"); + exit(1); } } }