From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 27 Nov 2025 10:20:04 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vOYAW-005NW7-2A for lore@lore.pengutronix.de; Thu, 27 Nov 2025 10:20:04 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vOYAV-0003UV-9s for lore@pengutronix.de; Thu, 27 Nov 2025 10:20:04 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ajjfu44I5Vp4vPQ+0lL/deAo870t70atudy9LqogB9s=; b=Z4pEq87coXV8YyDz9msv0dgUjl Tvxo3wK8mV8jjg2c3LFuu0S6xKqF9hI+o2AfKce49j23yyfQ39CKZYAzc8VNAmY7KfZorCEP4llb0 /7CLe0/FwY5vlAi1fsljawZlNCF1wQFH1BZ3uJN0dX+3w1c18zzl+ZkreoIhC9+fVus7CtjPN02YG zd8s9pkc1y8ZgidvsjyE4p8/udN/Sp2wE7xCZ1yybUxvq+jvijq3qEDuSaywD3WW7qoD6ikcTTdYG iwEZKOpYcU9u1Fi/83pyE1h+rjXOYq2qhjcb0FYgKLBH1xF+Jqwc8JyOyieU7aPiuISUG6yV8jxeO M89XAMcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOYA1-0000000GGjV-1dVz; Thu, 27 Nov 2025 09:19:33 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOY9v-0000000GGfI-3Uac for barebox@lists.infradead.org; Thu, 27 Nov 2025 09:19:30 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vOY9u-00035E-BQ; Thu, 27 Nov 2025 10:19:26 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vOY9t-002lP9-31; Thu, 27 Nov 2025 10:19:25 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vOY9u-00000000tc4-1B1t; Thu, 27 Nov 2025 10:19:25 +0100 From: Sascha Hauer Date: Thu, 27 Nov 2025 10:19:24 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251127-devfs-v1-2-4aff12818757@pengutronix.de> References: <20251127-devfs-v1-0-4aff12818757@pengutronix.de> In-Reply-To: <20251127-devfs-v1-0-4aff12818757@pengutronix.de> To: BAREBOX X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1764235165; l=2683; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=3Mueo0NcATAqfMzW3TOEocsW6S8BJxeymrMx/DUWfGY=; b=jPjsJ+ehUvOCEA1HvnnCPsla907TnjZpuvoZAsj+n460x6B3/atWY2PSMXP7h50NtO80dr34+ usQVlgm1ZTBCPvZXoVJmxw76es2rvJsK5O1Ol5THAPIHxmbNp8XmyRz X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251127_011927_937196_69B4B924 X-CRM114-Status: GOOD ( 12.91 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 02/10] commands: add mknod command X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Add a mknod command. This is intended for testing/debugging purposes as normally device special nodes are created automatically in devfs. Signed-off-by: Sascha Hauer --- commands/Kconfig | 4 ++++ commands/Makefile | 1 + commands/mknod.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) diff --git a/commands/Kconfig b/commands/Kconfig index c7c03a65477b4f083c256dc55053aab8c8ad2741..6b8e19533dc07b54c41326b84adabb1553bc415d 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -1144,6 +1144,10 @@ config CMD_MKDIR Options: -p make parent directories as needed +config CMD_MKNOD + tristate + prompt "mknod" + config CMD_PWD tristate default y diff --git a/commands/Makefile b/commands/Makefile index 8fffac8fd4428d275f86c5ad9898fed96c5b18ac..356957cab56bd97f80dbac67a3e17c333d4be45c 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_CMD_CD) += cd.o obj-$(CONFIG_CMD_PWD) += pwd.o obj-$(CONFIG_CMD_MKDIR) += mkdir.o obj-$(CONFIG_CMD_RMDIR) += rmdir.o +obj-$(CONFIG_CMD_MKNOD) += mknod.o obj-$(CONFIG_CMD_CP) += cp.o obj-$(CONFIG_CMD_RM) += rm.o obj-$(CONFIG_CMD_CAT) += cat.o diff --git a/commands/mknod.c b/commands/mknod.c new file mode 100644 index 0000000000000000000000000000000000000000..e99078995f995f54ba1d06587fc3d27e09f79e3b --- /dev/null +++ b/commands/mknod.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include + +static int do_mknod(int argc, char *argv[]) +{ + const char *filename, *cdevname; + umode_t mode; + + if (argc < 4) + return COMMAND_ERROR_USAGE; + + filename = argv[1]; + if (!strcmp(argv[2], "b")) + mode = S_IFBLK; + else if (!strcmp(argv[2], "c")) + mode = S_IFCHR; + else + return COMMAND_ERROR_USAGE; + + cdevname = argv[3]; + + return mknod(filename, mode, cdevname); +} + +BAREBOX_CMD_HELP_START(mknod) +BAREBOX_CMD_HELP_TEXT("make a device special node.") +BAREBOX_CMD_HELP_TEXT("") +BAREBOX_CMD_HELP_TEXT("usage: mknod c|b ") +BAREBOX_CMD_HELP_TEXT("") +BAREBOX_CMD_HELP_TEXT("Create a device special node named directing") +BAREBOX_CMD_HELP_TEXT("to cdev . This can either be a block (b) or") +BAREBOX_CMD_HELP_TEXT("character (c) device.") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(mknod) + .cmd = do_mknod, + BAREBOX_CMD_DESC("make device nodes") + BAREBOX_CMD_OPTS("NAME TYPE CDEVNAME") + BAREBOX_CMD_GROUP(CMD_GRP_FILE) + BAREBOX_CMD_HELP(cmd_mknod_help) +BAREBOX_CMD_END -- 2.47.3