From nobody Tue Feb 10 03:40:00 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1533978844081340.29860670168466; Sat, 11 Aug 2018 02:14:04 -0700 (PDT) Received: from localhost ([::1]:59391 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1foPyE-00022k-UG for importer@patchew.org; Sat, 11 Aug 2018 05:14:02 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55138) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1foPtF-0005vv-DY for qemu-devel@nongnu.org; Sat, 11 Aug 2018 05:08:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1foPtE-0001MW-CT for qemu-devel@nongnu.org; Sat, 11 Aug 2018 05:08:53 -0400 Received: from steffen-goertz.de ([88.198.119.201]:34660) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1foPt6-00015R-Be; Sat, 11 Aug 2018 05:08:44 -0400 Received: from localhost.localdomain (tmo-080-6.customers.d1-online.com [80.187.80.6]) by steffen-goertz.de (Postfix) with ESMTPSA id 0008F4BBA2; Sat, 11 Aug 2018 11:05:34 +0200 (CEST) From: =?UTF-8?q?Steffen=20G=C3=B6rtz?= To: qemu-devel@nongnu.org Date: Sat, 11 Aug 2018 11:08:30 +0200 Message-Id: <20180811090836.4024-2-contrib@steffen-goertz.de> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180811090836.4024-1-contrib@steffen-goertz.de> References: <20180811090836.4024-1-contrib@steffen-goertz.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 88.198.119.201 Subject: [Qemu-devel] [PATCH 1/7] hw/arm/nrf51_soc: nRF51 Calculate peripheral id from base address X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Jim Mussared , Stefan Hajnoczi , =?UTF-8?q?Steffen=20G=C3=B6rtz?= , qemu-arm@nongnu.org, Joel Stanley , Julia Suvorova Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The base address determines a peripherals id, which identifies its interrupt line, see NRF51 reference manual section 10 peripheral interface. This little gem calculates the peripheral id based on its base address. Signed-off-by: Steffen G=C3=B6rtz Reviewed-by: Peter Maydell --- hw/arm/nrf51_soc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c index 9f9649c780..441d05e1ef 100644 --- a/hw/arm/nrf51_soc.c +++ b/hw/arm/nrf51_soc.c @@ -38,6 +38,9 @@ #define NRF51822_FLASH_SIZE (256 * 1024) #define NRF51822_SRAM_SIZE (16 * 1024) =20 +/* IRQ lines can be derived from peripheral base addresses */ +#define BASE_TO_IRQ(base) (((base) >> 12) & 0x1F) + static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp) { NRF51State *s =3D NRF51_SOC(dev_soc); --=20 2.18.0