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Mon, 23 Nov 2020 14:14:41 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id BC13A5D6D3; Mon, 23 Nov 2020 14:14:38 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 07/36] vl: extract various command line validation snippets to a new function Date: Mon, 23 Nov 2020 09:14:06 -0500 Message-Id: <20201123141435.2726558-8-pbonzini@redhat.com> In-Reply-To: <20201123141435.2726558-1-pbonzini@redhat.com> References: <20201123141435.2726558-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Igor Mammedov Signed-off-by: Paolo Bonzini --- hw/core/machine.c | 1 + softmmu/vl.c | 78 +++++++++++++++++++++++------------------------ 2 files changed, 40 insertions(+), 39 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 5260155962..7ef3de5ce5 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -880,6 +880,7 @@ static void machine_initfn(Object *obj) ms->dump_guest_core = true; ms->mem_merge = true; ms->enable_graphics = true; + ms->kernel_cmdline = g_strdup(""); if (mc->nvdimm_supported) { Object *obj = OBJECT(ms); diff --git a/softmmu/vl.c b/softmmu/vl.c index 8ceef00a27..6699c23a16 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -123,6 +123,7 @@ static int data_dir_idx; static const char *mem_path; static const char *boot_order; static const char *boot_once; +static const char *incoming; enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; int display_opengl; const char* keyboard_layout = NULL; @@ -2870,6 +2871,39 @@ static char *find_datadir(void) return get_relocated_path(CONFIG_QEMU_DATADIR); } +static void qemu_validate_options(void) +{ + QemuOpts *machine_opts = qemu_get_machine_opts(); + const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); + const char *initrd_filename = qemu_opt_get(machine_opts, "initrd"); + const char *kernel_cmdline = qemu_opt_get(machine_opts, "append"); + + if (kernel_filename == NULL) { + if (kernel_cmdline != NULL) { + error_report("-append only allowed with -kernel option"); + exit(1); + } + + if (initrd_filename != NULL) { + error_report("-initrd only allowed with -kernel option"); + exit(1); + } + } + + if (incoming && !preconfig_exit_requested) { + error_report("'preconfig' and 'incoming' options are " + "mutually exclusive"); + exit(EXIT_FAILURE); + } + +#ifdef CONFIG_CURSES + if (is_daemonized() && dpy.type == DISPLAY_TYPE_CURSES) { + error_report("curses display cannot be used with -daemonize"); + exit(1); + } +#endif +} + static void qemu_process_early_options(void) { char **dirs; @@ -3133,9 +3167,6 @@ void qemu_init(int argc, char **argv, char **envp) { int i; int snapshot = 0; - int linux_boot; - const char *initrd_filename; - const char *kernel_filename, *kernel_cmdline; QemuOpts *opts, *machine_opts; QemuOpts *icount_opts = NULL, *accel_opts = NULL; QemuOptsList *olist; @@ -3144,7 +3175,6 @@ void qemu_init(int argc, char **argv, char **envp) const char *loadvm = NULL; MachineClass *machine_class; const char *vga_model = NULL; - const char *incoming = NULL; bool userconfig = true; bool nographic = false; int display_remote = 0; @@ -4066,6 +4096,8 @@ void qemu_init(int argc, char **argv, char **envp) */ loc_set_none(); + qemu_validate_options(); + /* * These options affect everything else and should be processed * before daemonizing. @@ -4081,12 +4113,6 @@ void qemu_init(int argc, char **argv, char **envp) user_register_global_props(); replay_configure(icount_opts); - if (incoming && !preconfig_exit_requested) { - error_report("'preconfig' and 'incoming' options are " - "mutually exclusive"); - exit(EXIT_FAILURE); - } - configure_rtc(qemu_find_opts_singleton("rtc")); machine_class = select_machine(); @@ -4191,12 +4217,6 @@ void qemu_init(int argc, char **argv, char **envp) error_report("-nographic cannot be used with -daemonize"); exit(1); } -#ifdef CONFIG_CURSES - if (dpy.type == DISPLAY_TYPE_CURSES) { - error_report("curses display cannot be used with -daemonize"); - exit(1); - } -#endif } if (nographic) { @@ -4327,11 +4347,6 @@ void qemu_init(int argc, char **argv, char **envp) qtest_server_init(qtest_chrdev, qtest_log, &error_fatal); } - machine_opts = qemu_get_machine_opts(); - kernel_filename = qemu_opt_get(machine_opts, "kernel"); - initrd_filename = qemu_opt_get(machine_opts, "initrd"); - kernel_cmdline = qemu_opt_get(machine_opts, "append"); - opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL); if (opts) { boot_order = qemu_opt_get(opts, "order"); @@ -4352,24 +4367,9 @@ void qemu_init(int argc, char **argv, char **envp) boot_order = machine_class->default_boot_order; } - if (!kernel_cmdline) { - kernel_cmdline = ""; - current_machine->kernel_cmdline = (char *)kernel_cmdline; - } - - linux_boot = (kernel_filename != NULL); - - if (!linux_boot && *kernel_cmdline != '\0') { - error_report("-append only allowed with -kernel option"); - exit(1); - } - - if (!linux_boot && initrd_filename != NULL) { - error_report("-initrd only allowed with -kernel option"); - exit(1); - } - - if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) { + if (semihosting_enabled() && !semihosting_get_argc()) { + const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); + const char *kernel_cmdline = qemu_opt_get(machine_opts, "append"); /* fall back to the -kernel/-append */ semihosting_arg_fallback(kernel_filename, kernel_cmdline); }