From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 11 Jan 2024 12:50:38 +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 1rNta2-00Cw5O-2v for lore@lore.pengutronix.de; Thu, 11 Jan 2024 12:50:38 +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 1rNta0-0002Op-9Y for lore@pengutronix.de; Thu, 11 Jan 2024 12:50:38 +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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cH8p+jHWAiw9yRMQ80i7wuHMQdD9mGYJ0ydZSm0DU9o=; b=j4W3LRYmXECb4ujDZAECaty7ji eQ5SI0vp/pAGeve2XqEqpygdjmSLqj/DFTX4YZVONxDaoHK6n5OwyLuOUxTIBOmQxMdHnBCJO1vo/ oK2Q/fa31evC7WUA1mtnlj5rfFEJCDHcukSCKtE8m43keIBsQgdu4LoErk9FWSwTxM1Rq+jvR+ApZ 912Hzt3Tbn3MDVIAN2Ytvr4YQtc1ZGc60qd4M8U2KPvnfcXxvOpSFK4lpREGEWFDOKbAbmZNFv487 1HDRv6t3x7Gz3w41tJY5gbIUEwZhEbjl2AxrfbwsuNjp37IhsB/Y7DBYbwlLE/ushc4yYGF9tXKTm sSfWzPIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rNtYf-00HSoe-0U; Thu, 11 Jan 2024 11:49:13 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rNtYQ-00HSap-2q for barebox@lists.infradead.org; Thu, 11 Jan 2024 11:49:03 +0000 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1rNtYK-000137-Pu for barebox@lists.infradead.org; Thu, 11 Jan 2024 12:48:52 +0100 From: Marco Felsch To: barebox@lists.infradead.org Date: Thu, 11 Jan 2024 12:48:33 +0100 Message-Id: <20240111114841.2676939-11-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240111114841.2676939-1-m.felsch@pengutronix.de> References: <20240111114841.2676939-1-m.felsch@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240111_034858_914386_EBE19A7E X-CRM114-Status: UNSURE ( 9.90 ) 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=-6.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 10/18] optee: add helper functions to set/get the optee memory base 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) Provide helper functions to set/get the optee memory base address gathered previously from the builtin optee binary header. Signed-off-by: Marco Felsch --- common/optee.c | 27 +++++++++++++++++++++++++++ include/tee/optee.h | 2 ++ 2 files changed, 29 insertions(+) diff --git a/common/optee.c b/common/optee.c index 6a8084839619..2ae28b172bbb 100644 --- a/common/optee.c +++ b/common/optee.c @@ -6,8 +6,13 @@ #include #include +static u64 optee_membase = U64_MAX; + int optee_verify_header(struct optee_header *hdr) { + if (!hdr) + return -EINVAL; + if (hdr->magic != OPTEE_MAGIC) { pr_err("Invalid header magic 0x%08x, expected 0x%08x\n", hdr->magic, OPTEE_MAGIC); @@ -32,3 +37,25 @@ int optee_verify_header(struct optee_header *hdr) return 0; } + +int optee_get_membase(u64 *membase) +{ + if (optee_membase == U64_MAX) + return -EINVAL; + + *membase = optee_membase; + + return 0; +} + +void optee_set_membase(const struct optee_header *hdr) +{ + int ret; + + ret = optee_verify_header(hdr); + if (ret) + return; + + optee_membase = (u64)hdr->init_load_addr_hi << 32; + optee_membase |= hdr->init_load_addr_lo; +} diff --git a/include/tee/optee.h b/include/tee/optee.h index b5ba0a71d7c9..7bd6638f8559 100644 --- a/include/tee/optee.h +++ b/include/tee/optee.h @@ -32,6 +32,8 @@ struct optee_header { }; int optee_verify_header (struct optee_header *hdr); +void optee_set_membase(const struct optee_header *hdr); +int optee_get_membase(u64 *membase); #ifdef __PBL__ -- 2.39.2