From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from de01egw02.freescale.net (de01egw02.freescale.net [192.88.165.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "de01egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 44E30DDE0A for ; Wed, 15 Aug 2007 22:07:35 +1000 (EST) Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by de01egw02.freescale.net (8.12.11/de01egw02) with ESMTP id l7FC7TlK024611 for ; Wed, 15 Aug 2007 05:07:29 -0700 (MST) From: Timur Tabi To: linuxppc-dev@ozlabs.org Subject: [PATCH] powerpc: add setmaskedbits macros Date: Wed, 15 Aug 2007 07:07:26 -0500 Message-Id: <11871796461560-git-send-email-timur@freescale.com> Cc: Timur Tabi List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch adds the setmaskedbits_xxx() macros, which are used to set a multiple-bit bit pattern in a register. The macros include a mask, which zeros the respective bits before applying the value via a bitwise-OR. There are big-endian and little-endian versions for 8, 16, 32, and 64 bits. Signed-off-by: Timur Tabi --- Fixed the changelog. include/asm-powerpc/io.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h index bb8d965..ac3defb 100644 --- a/include/asm-powerpc/io.h +++ b/include/asm-powerpc/io.h @@ -734,6 +734,19 @@ static inline void * bus_to_virt(unsigned long address) #define setbits16(_addr, _v) out_be16((_addr), in_be16(_addr) | (_v)) #define clrbits16(_addr, _v) out_be16((_addr), in_be16(_addr) & ~(_v)) +#ifdef __powerpc64__ +#define setmaskedbits_be64(a, v, m) out_be64((a), (in_be64(a) & ~(m)) | (v)) +#define setmaskedbits_le64(a, v, m) out_le64((a), (in_le64(a) & ~(m)) | (v)) +#endif + +#define setmaskedbits_be32(a, v, m) out_be32((a), (in_be32(a) & ~(m)) | (v)) +#define setmaskedbits_be16(a, v, m) out_be16((a), (in_be16(a) & ~(m)) | (v)) + +#define setmaskedbits_le32(a, v, m) out_le32((a), (in_le32(a) & ~(m)) | (v)) +#define setmaskedbits_le16(a, v, m) out_le16((a), (in_le16(a) & ~(m)) | (v)) + +#define setmaskedbits_8(a, v, m) out_8((a), (in_8(a) & ~(m)) | (v)) + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IO_H */ -- 1.5.2.4