From patchwork Mon Mar 20 06:49:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Herrenschmidt X-Patchwork-Id: 740813 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3vmmm32wJKz9s7B for ; Mon, 20 Mar 2017 17:50:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753028AbdCTGuL (ORCPT ); Mon, 20 Mar 2017 02:50:11 -0400 Received: from gate.crashing.org ([63.228.1.57]:41669 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751556AbdCTGuL (ORCPT ); Mon, 20 Mar 2017 02:50:11 -0400 Received: from pasglop.au.ibm.com (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.13.8) with ESMTP id v2K6nQUp025488; Mon, 20 Mar 2017 01:49:32 -0500 From: Benjamin Herrenschmidt To: linuxppc-dev@ozlabs.org, kvm-ppc@vger.kernel.org Cc: Benjamin Herrenschmidt Subject: [PATCH 03/12] powerpc: Add more PPC bit conversion macros Date: Mon, 20 Mar 2017 17:49:05 +1100 Message-Id: <20170320064914.4437-3-benh@kernel.crashing.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170320064914.4437-1-benh@kernel.crashing.org> References: <20170320064914.4437-1-benh@kernel.crashing.org> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Add 32 and 8 bit variants Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/bitops.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index bc5fdfd..33a24fd 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -55,6 +55,14 @@ #define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \ ((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit)) +#define PPC_BITLSHIFT32(be) (32 - 1 - (be)) +#define PPC_BIT32(bit) (1UL << PPC_BITLSHIFT32(bit)) +#define PPC_BITMASK32(bs, be) ((PPC_BIT32(bs) - PPC_BIT32(be))|PPC_BIT32(bs)) + +#define PPC_BITLSHIFT8(be) (8 - 1 - (be)) +#define PPC_BIT8(bit) (1UL << PPC_BITLSHIFT8(bit)) +#define PPC_BITMASK8(bs, be) ((PPC_BIT8(bs) - PPC_BIT8(be))|PPC_BIT8(bs)) + #include /* Macro for generating the ***_bits() functions */