From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 19 Oct 2006 12:20:31 +0100 (BST) Received: from nf-out-0910.google.com ([64.233.182.184]:18911 "EHLO nf-out-0910.google.com") by ftp.linux-mips.org with ESMTP id S20038189AbWJSLUE (ORCPT ); Thu, 19 Oct 2006 12:20:04 +0100 Received: by nf-out-0910.google.com with SMTP id l23so1027109nfc for ; Thu, 19 Oct 2006 04:20:03 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:to:cc:subject:date:message-id:x-mailer:in-reply-to:references:from; b=AYkah2C5lJ3GdtH1xwHYtltBBma7VfCoRTD4FG6OnuxO2CblOihsigaEwup9QfQu5TjPInsV9FNuavrrffljCOGrJPhstWt0ByIe9Fa3wpCSVzFwt3qYH7ly+BayWVlDlqITlrf+3DUOfMjOlY5hU4MQak25qZGBvNeOFoPCD5Q= Received: by 10.49.91.6 with SMTP id t6mr5612656nfl; Thu, 19 Oct 2006 04:20:03 -0700 (PDT) Received: from spoutnik.innova-card.com ( [81.252.61.1]) by mx.google.com with ESMTP id n23sm851025nfc.2006.10.19.04.20.02; Thu, 19 Oct 2006 04:20:03 -0700 (PDT) Received: by spoutnik.innova-card.com (Postfix, from userid 500) id 7C19A23F770; Thu, 19 Oct 2006 13:20:06 +0200 (CEST) To: ralf@linux-mips.org Cc: anemo@mba.ocn.ne.jp, ths@networkno.de, linux-mips@linux-mips.org, Franck Bui-Huu Subject: [PATCH 4/7] Introduce __pa_symbol() Date: Thu, 19 Oct 2006 13:20:02 +0200 Message-Id: <11612568062682-git-send-email-fbuihuu@gmail.com> X-Mailer: git-send-email 1.4.2.3 In-Reply-To: <11612568052624-git-send-email-fbuihuu@gmail.com> References: <11612568052624-git-send-email-fbuihuu@gmail.com> From: Franck Bui-Huu Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 13027 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: vagabon.xyz@gmail.com Precedence: bulk X-list: linux-mips This patch introduces __pa_symbol() macro which should be used to calculate the physical address of kernel symbols. It also relies on RELOC_HIDE() to avoid any compiler's oddities when doing arithmetics on symbols. Signed-off-by: Franck Bui-Huu --- include/asm-mips/page.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index 119daee..5c4284b 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -139,6 +139,7 @@ #else #define __pa_page_offset(x) PAGE_OFFSET #endif #define __pa(x) ((unsigned long)(x) - __pa_page_offset(x)) +#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0)) #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) -- 1.4.2.3