From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 12 Nov 2025 17:41:45 +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 1vJDuj-000EnV-2a for lore@lore.pengutronix.de; Wed, 12 Nov 2025 17:41:45 +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 1vJDuj-0004XS-6b for lore@pengutronix.de; Wed, 12 Nov 2025 17:41:45 +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:Cc:To:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=Edox8XHD86WJz3XnJB9R7ZpuEKF2Wv5lxZc3y/eozcE=; b=4aM/3yN5yQEm1WV9GHTfYdlCtX 1W9BXDvtTtoN20kkycsXpSQA+Na976yKkwC5++NVFr9Ja8Q8kGRHFdY+ZtezvFMY3/WoAtJyRYYQC uFUmBgcEbMTAnwmENIGoKrIgrCXwr8lJ5+tp4XfOxSpSHdrmmfqulYIk+xBQHe/tik5pKarncvE0Y PxILYPpL/5hGzRPcRnBfP9ZrRa4xEK0bKWQ+dKvuyAK83I2wsss0ukK8Jepidb/qy5QcvGlZQAuB+ FCep7MiG2/a6BHd5F1gdYkDpz/U1nJ+WTiBBSYJCWSeAtmkoFFB6MZ987mVFOzXBXu6mcF3PSg667 6krX+I/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJDuA-00000009CH2-1xm3; Wed, 12 Nov 2025 16:41:10 +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 1vJDu7-00000009CGJ-2lhM for barebox@lists.infradead.org; Wed, 12 Nov 2025 16:41:09 +0000 Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vJDu4-0004OO-AF; Wed, 12 Nov 2025 17:41:04 +0100 From: Jonas Rebmann Date: Wed, 12 Nov 2025 17:40:55 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251112-tlv-bytes-v1-1-d0ed7117e814@pengutronix.de> X-B4-Tracking: v=1; b=H4sIAJa4FGkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1NDQ0Mj3ZKcMt2kypLUYt0kAwPzREtjY4OkVAsloPqCotS0zAqwWdFKQW7 OSrG1tQCJhNVfYAAAAA== X-Change-ID: 20251112-tlv-bytes-b007a9330be8 To: Sascha Hauer , BAREBOX Cc: Jonas Rebmann X-Mailer: b4 0.15-dev-7abec X-Developer-Signature: v=1; a=openpgp-sha256; l=2507; i=jre@pengutronix.de; h=from:subject:message-id; bh=u0AuN5uxq2cYhiDRnkwCzoJcc5Rzm2f2Rgtriw1UyYg=; b=owGbwMvMwCV2ZcYT3onnbjcwnlZLYsgU2TH//XUGBc/Kr9kR/43+OXCkXA//entztcb6luDp1 76n6OWadpSyMIhxMciKKbLEqskpCBn7XzertIuFmcPKBDKEgYtTACZy/AHDf9+1FQsu/Kqvk+pf wr55/dK35WcOetUL/VxeH3XQxEPg01OGP1wVt5kWtvLxfugMXMC5sjPkX/Ph2tuPPvw4Fpy5Jnu GFSMA X-Developer-Key: i=jre@pengutronix.de; a=openpgp; fpr=0B7B750D5D3CD21B3B130DE8B61515E135CD49B5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251112_084107_706171_30299BAF X-CRM114-Status: UNSURE ( 9.46 ) X-CRM114-Notice: Please train this message. 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=-3.3 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 RFC] bareboxtlv-generator: add raw "bytes"-format 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) Stores a byte sequence up to the maximum supported length of 65'535 bytes, encoded from and decoded to a hexadecimal representation. Whitespace in the input string is skipped, allowing for arbitrary grouping of the hexadecimal digits in the yaml input data. Signed-off-by: Jonas Rebmann --- I did not end up using this format and no mappings/parsers exist on the barebox end. Leaving the patch here for future reference. --- scripts/bareboxtlv-generator/bareboxtlv-generator.py | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/scripts/bareboxtlv-generator/bareboxtlv-generator.py b/scripts/bareboxtlv-generator/bareboxtlv-generator.py index aa243d8b06..1fd5a45d43 100755 --- a/scripts/bareboxtlv-generator/bareboxtlv-generator.py +++ b/scripts/bareboxtlv-generator/bareboxtlv-generator.py @@ -320,6 +320,18 @@ class FactoryDataset: if len(bin) > 2**16 - 1: raise ValueError(f"String {name} is too long!") + elif tag_format == "bytes": + try: + bin = bytes.fromhex(value) + except ValueError: + raise ValueError(f"{name}: Invalid hex string for bytes format") + if "length" in tag: + if tag["length"]!=len(bin): + raise ValueError(f"{name}: schema requires this byte sequence to be {tag["length"]} bytes but the given sequence is {len(bin)} byte long.") + fmt = f"{len(bin)}s" + if len(bin) > 2**16 - 1: + raise ValueError(f"Bytes {name} is too long!") + elif tag_format == "decimal": fmtl = tag["length"] if fmtl == 1: @@ -451,6 +463,8 @@ class FactoryDataset: value = struct.unpack_from(fmt, bin, data_ptr)[0] elif tag_schema["format"] == "string": value = bin[data_ptr : data_ptr + tag_len].decode("UTF-8") # noqa E203 + elif tag_schema["format"] == "bytes": + value = bin[data_ptr : data_ptr + tag_len].hex() elif tag_schema["format"] == "mac-sequence": if tag_len != 7: raise ValueError(f"Tag {name} has wrong length {hex(tag_len)} but expected 0x7.") --- base-commit: f485ddfccf960959d25462073528d314b8bf1aea change-id: 20251112-tlv-bytes-b007a9330be8 Best regards, -- Jonas Rebmann