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From: Franck Bui-Huu <vagabon.xyz@gmail.com>
To: ralf@linux-mips.org
Cc: anemo@mba.ocn.ne.jp, ths@networkno.de, linux-mips@linux-mips.org,
	Franck Bui-Huu <fbuihuu@gmail.com>
Subject: [PATCH 4/5] Introduce __pa_symbol()
Date: Wed, 11 Oct 2006 14:08:44 +0200	[thread overview]
Message-ID: <11605685254080-git-send-email-fbuihuu@gmail.com> (raw)
In-Reply-To: <1160568525897-git-send-email-fbuihuu@gmail.com>

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 <fbuihuu@gmail.com>
---
 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 b4851ac..2bf101f 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -136,6 +136,7 @@ #define __pa(x)			CPHYSADDR(x)
 #else
 #define __pa(x)			((unsigned long)(x) - PAGE_OFFSET)
 #endif
+#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

  parent reply	other threads:[~2006-10-11 12:08 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-11 12:08 [PATCH 0/5] Get ride of CPHYSADDR() in setup.c Franck Bui-Huu
2006-10-11 12:08 ` [PATCH 1/5] Make __pa() uses CPHYSADDR() if really needed Franck Bui-Huu
2006-10-11 13:33   ` Atsushi Nemoto
2006-10-11 14:15     ` Franck Bui-Huu
2006-10-11 15:30       ` Atsushi Nemoto
2006-10-11 16:01         ` Franck Bui-Huu
2006-10-11 17:07           ` Franck Bui-Huu
2006-10-12 10:05           ` Atsushi Nemoto
2006-10-12 11:49             ` Franck Bui-Huu
2006-10-12 12:37               ` Thiemo Seufer
2006-10-11 12:08 ` [PATCH 2/5] setup.c: get ride of CPHYSADDR() Franck Bui-Huu
2006-10-11 12:08 ` [PATCH 3/5] setup.c: clean up initrd related code Franck Bui-Huu
2006-10-13  8:23   ` Franck Bui-Huu
2006-10-11 12:08 ` Franck Bui-Huu [this message]
2006-10-11 15:34   ` [PATCH 4/5] Introduce __pa_symbol() Atsushi Nemoto
2006-10-11 16:13     ` Franck Bui-Huu
2006-10-12  9:48       ` Atsushi Nemoto
2006-10-12 11:57         ` Franck Bui-Huu
2006-10-12 14:27           ` Atsushi Nemoto
2006-10-11 12:08 ` [PATCH 5/5] setup.c: use __pa_symbol() where needed Franck Bui-Huu

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