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Message-ID: <109efb43-a519-73f6-2a26-2b420090ab2b@suse.com> Date: Mon, 10 Jul 2023 10:51:45 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: [PATCH v3 1/8] common: move a few macros out of xen/lib.h Content-Language: en-US From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Wei Liu , Julien Grall , Stefano Stabellini , George Dunlap References: In-Reply-To: Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: FR2P281CA0117.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:9d::7) To AS8PR04MB8788.eurprd04.prod.outlook.com (2603:10a6:20b:42f::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8788:EE_|AS4PR04MB9315:EE_ X-MS-Office365-Filtering-Correlation-Id: 29d5f7fb-262d-4b15-2534-08db8122e498 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR04MB8788.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(366004)(396003)(346002)(39860400002)(136003)(376002)(451199021)(31686004)(478600001)(4326008)(54906003)(2616005)(86362001)(31696002)(36756003)(2906002)(26005)(6512007)(6506007)(6486002)(186003)(38100700002)(66556008)(5660300002)(316002)(41300700001)(8936002)(66476007)(66946007)(8676002)(6916009)(43740500002)(45980500001);DIR:OUT;SFP:1101; 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charset="utf-8" Introduce xen/macros.h for this purpose. For now xen/lib.h simply includes xen/macro.h, until consumers can be suitable cleaned up. Signed-off-by: Jan Beulich Reviewed-by: Oleksii Kurochko Reviewed-by: Shawn Anastasio --- v3: New. --- a/xen/include/xen/lib.h +++ b/xen/include/xen/lib.h @@ -1,26 +1,7 @@ #ifndef __LIB_H__ #define __LIB_H__ =20 -#define ROUNDUP(x, a) (((x) + (a) - 1) & ~((a) - 1)) - -#define IS_ALIGNED(val, align) (!((val) & ((align) - 1))) - -#define DIV_ROUND(n, d) (((n) + (d) / 2) / (d)) -#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) - -#define MASK_EXTR(v, m) (((v) & (m)) / ((m) & -(m))) -#define MASK_INSR(v, m) (((v) * ((m) & -(m))) & (m)) - -#define count_args_(dot, a1, a2, a3, a4, a5, a6, a7, a8, x, ...) x -#define count_args(args...) \ - count_args_(., ## args, 8, 7, 6, 5, 4, 3, 2, 1, 0) - -/* Indirect macros required for expanded argument pasting. */ -#define PASTE_(a, b) a ## b -#define PASTE(a, b) PASTE_(a, b) - -#define __STR(...) #__VA_ARGS__ -#define STR(...) __STR(__VA_ARGS__) +#include =20 #ifndef __ASSEMBLY__ =20 --- /dev/null +++ b/xen/include/xen/macros.h @@ -0,0 +1,34 @@ +#ifndef __MACROS_H__ +#define __MACROS_H__ + +#define ROUNDUP(x, a) (((x) + (a) - 1) & ~((a) - 1)) + +#define IS_ALIGNED(val, align) (!((val) & ((align) - 1))) + +#define DIV_ROUND(n, d) (((n) + (d) / 2) / (d)) +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) + +#define MASK_EXTR(v, m) (((v) & (m)) / ((m) & -(m))) +#define MASK_INSR(v, m) (((v) * ((m) & -(m))) & (m)) + +#define count_args_(dot, a1, a2, a3, a4, a5, a6, a7, a8, x, ...) x +#define count_args(args...) \ + count_args_(., ## args, 8, 7, 6, 5, 4, 3, 2, 1, 0) + +/* Indirect macros required for expanded argument pasting. */ +#define PASTE_(a, b) a ## b +#define PASTE(a, b) PASTE_(a, b) + +#define __STR(...) #__VA_ARGS__ +#define STR(...) __STR(__VA_ARGS__) + +#endif /* __MACROS_H__ */ + +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */