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From: Alexander Aring <alex.aring@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH 4/8] common: add PAGE_ALIGN_DOWN macro
Date: Tue, 15 Jan 2013 14:48:46 +0100	[thread overview]
Message-ID: <1358257730-20579-5-git-send-email-alex.aring@gmail.com> (raw)
In-Reply-To: <1358257730-20579-1-git-send-email-alex.aring@gmail.com>

Add PAGE_ALIGN_DOWN macro, which is like PAGE_ALIGN macro but
returns the lower page boundary of address.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
---
 include/common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/common.h b/include/common.h
index 9533344..3e67164 100644
--- a/include/common.h
+++ b/include/common.h
@@ -226,6 +226,7 @@ int run_shell(void);
 #define PAGE_SIZE	4096
 #define PAGE_SHIFT	12
 #define PAGE_ALIGN(s) (((s) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
+#define PAGE_ALIGN_DOWN(x) ((x) & ~(PAGE_SIZE - 1))
 
 int memory_display(char *addr, loff_t offs, ulong nbytes, int size, int swab);
 
-- 
1.8.1


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  parent reply	other threads:[~2013-01-15 13:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15 13:48 [PATCH v2 0/8] add new memtest command Alexander Aring
2013-01-15 13:48 ` [PATCH 1/8] remap_range: make function 'remap_range' global Alexander Aring
2013-01-15 13:48 ` [PATCH 2/8] mmu: add getters for pte cache flags Alexander Aring
2013-01-15 13:48 ` [PATCH 3/8] arm-mmu: move PAGE_ALIGN macro to common.h Alexander Aring
2013-01-15 13:48 ` Alexander Aring [this message]
2013-01-15 13:48 ` [PATCH 5/8] memory: add function address_in_sdram_regions Alexander Aring
2013-01-15 13:48 ` [PATCH 6/8] barebox-data: add barebox-data sections Alexander Aring
2013-01-15 13:48 ` [PATCH 7/8] memtest: remove memtest command Alexander Aring
2013-01-15 13:48 ` [PATCH 8/8] memtest: add rewritten " Alexander Aring
2013-01-17  9:54   ` Sascha Hauer
2013-01-23 20:01     ` Alexander Aring
2013-01-23 20:18       ` Sascha Hauer
2013-01-23 20:25         ` Alexander Aring
2013-01-23 20:30           ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-23 20:43             ` Alexander Aring
2013-01-23 20:55               ` Sascha Hauer

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