From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:42215) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3MwU-0005vi-G2 for qemu-devel@nongnu.org; Mon, 11 Mar 2019 11:34:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h3MkT-0006zA-Dm for qemu-devel@nongnu.org; Mon, 11 Mar 2019 11:21:54 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:43822 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h3MkT-0006yq-2m for qemu-devel@nongnu.org; Mon, 11 Mar 2019 11:21:53 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2BFLopa084307 for ; Mon, 11 Mar 2019 11:21:52 -0400 Received: from e15.ny.us.ibm.com (e15.ny.us.ibm.com [129.33.205.205]) by mx0b-001b2d01.pphosted.com with ESMTP id 2r5sv21ach-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 11 Mar 2019 11:21:51 -0400 Received: from localhost by e15.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 11 Mar 2019 15:21:51 -0000 From: "Jason J. Herne" Date: Mon, 11 Mar 2019 11:21:27 -0400 In-Reply-To: <1552317693-21979-1-git-send-email-jjherne@linux.ibm.com> References: <1552317693-21979-1-git-send-email-jjherne@linux.ibm.com> Message-Id: <1552317693-21979-10-git-send-email-jjherne@linux.ibm.com> Subject: [Qemu-devel] [PATCH v4 09/15] s390-bios: ptr2u32 and u32toptr List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, cohuck@redhat.com, thuth@redhat.com, pasic@linux.ibm.com, alifm@linux.ibm.com, borntraeger@de.ibm.com Introduce inline functions to convert between pointers and unsigned 32-bit ints. These are used to hide the ugliness required to avoid compiler warnings. Signed-off-by: Jason J. Herne Acked-by: Cornelia Huck Reviewed-by: Thomas Huth --- pc-bios/s390-ccw/helper.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 pc-bios/s390-ccw/helper.h diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h new file mode 100644 index 0000000..78d5bc7 --- /dev/null +++ b/pc-bios/s390-ccw/helper.h @@ -0,0 +1,31 @@ +/* + * Helper Functions + * + * Copyright (c) 2019 IBM Corp. + * + * Author(s): Jason J. Herne + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef S390_CCW_HELPER_H +#define S390_CCW_HELPER_H + +#include "s390-ccw.h" + +/* Avoids compiler warnings when casting a pointer to a u32 */ +static inline uint32_t ptr2u32(void *ptr) +{ + IPL_assert((uint64_t)ptr <= 0xffffffff, "ptr2u32: ptr too large"); + return (uint32_t)(uint64_t)ptr; +} + +/* Avoids compiler warnings when casting a u32 to a pointer */ +static inline void *u32toptr(uint32_t n) +{ + return (void *)(uint64_t)n; +} + +#endif -- 2.7.4