From: Aneesh V <aneesh@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 7/8] armv7: adapt omap3 to the new cache maintenance framework
Date: Tue, 18 Jan 2011 11:01:57 +0530 [thread overview]
Message-ID: <4D3525CD.8090001@ti.com> (raw)
In-Reply-To: <20110117215511.CEFB5D1CAD5@gemini.denx.de>
Dear Wolfgang,
On Tuesday 18 January 2011 03:25 AM, Wolfgang Denk wrote:
> Dear Aneesh V,
>
> In message<4D2B1A90.9030109@ti.com> you wrote:
>>
>>>> +struct __attribute__ ((__packed__)) emu_hal_params {
>>>> + u32 num_params;
>>>> + u32 param1;
>>>> +};
>>>
>>> Why exactly do we need the "__attribute__ ((__packed__))" here?
>>
>> Because a pointer to it has to be passed to ROM code and ROM code
>> wouldn't expect any padding.
>
> But padding would only be needed if there were any alignment
> requirements requiring it. There are none here.
Yes. But, is that guaranteed? I didn't want to make it compiler
dependent. Isn't it safer to use '__attribute__ ((__packed__))'
Best regards,
Aneesh
next prev parent reply other threads:[~2011-01-18 5:31 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-22 11:54 [U-Boot] [PATCH 0/8] armv7: cache maintenance operations Aneesh V
2010-12-22 11:54 ` [U-Boot] [PATCH 1/8] arm: make default implementation of cache_flush() weakly linked Aneesh V
2011-01-08 6:40 ` Albert ARIBAUD
2010-12-22 11:54 ` [U-Boot] [PATCH 2/8] armv7: cache maintenance operations for armv7 Aneesh V
2011-01-08 6:36 ` Albert ARIBAUD
2011-01-08 8:40 ` Albert ARIBAUD
2011-01-08 10:06 ` Aneesh V
2011-01-12 19:18 ` Albert ARIBAUD
2011-01-13 11:10 ` Aneesh V
2011-01-13 12:14 ` Aneesh V
2011-01-13 17:12 ` Albert ARIBAUD
2011-01-08 13:17 ` Aneesh V
2011-01-08 14:06 ` Albert ARIBAUD
2011-01-09 22:41 ` Wolfgang Denk
2011-01-10 4:56 ` Aneesh V
2011-01-17 21:47 ` Wolfgang Denk
2011-01-12 9:08 ` Aneesh V
2011-01-12 19:23 ` Albert ARIBAUD
2011-01-13 12:05 ` Aneesh V
2011-01-13 13:14 ` Albert ARIBAUD
2011-01-13 14:30 ` Aneesh V
2011-01-13 17:06 ` Albert ARIBAUD
2011-03-01 11:54 ` Aneesh V
2011-03-01 13:36 ` Albert ARIBAUD
2010-12-22 11:54 ` [U-Boot] [PATCH 3/8] armv7: integrate cache maintenance support Aneesh V
2011-01-08 6:54 ` Albert ARIBAUD
2011-01-08 8:15 ` Aneesh V
2010-12-22 11:54 ` [U-Boot] [PATCH 4/8] arm: minor fixes for cache and mmu handling Aneesh V
2011-01-08 7:04 ` Albert ARIBAUD
2011-01-08 9:13 ` Aneesh V
2010-12-22 11:54 ` [U-Boot] [PATCH 5/8] armv7: add PL310 support to u-boot Aneesh V
2011-01-09 22:48 ` Wolfgang Denk
2011-01-10 13:41 ` Aneesh V
2010-12-22 11:54 ` [U-Boot] [PATCH 6/8] armv7: adapt omap4 to the new cache maintenance framework Aneesh V
2011-01-09 22:52 ` Wolfgang Denk
2011-01-10 14:33 ` Aneesh V
2011-01-17 21:52 ` Wolfgang Denk
2010-12-22 11:54 ` [U-Boot] [PATCH 7/8] armv7: adapt omap3 " Aneesh V
2011-01-09 22:57 ` Wolfgang Denk
2011-01-10 14:41 ` Aneesh V
2011-01-17 21:55 ` Wolfgang Denk
2011-01-18 5:31 ` Aneesh V [this message]
2011-01-18 9:23 ` Wolfgang Denk
2010-12-22 11:54 ` [U-Boot] [PATCH 8/8] armv7: adapt s5pc1xx " Aneesh V
2010-12-27 7:25 ` Minkyu Kang
2010-12-27 11:22 ` Aneesh V
2011-01-07 5:27 ` Minkyu Kang
2010-12-23 4:53 ` [U-Boot] [PATCH 0/8] armv7: cache maintenance operations Steve Sakoman
2010-12-28 19:51 ` Paulraj, Sandeep
2011-01-08 7:07 ` Albert ARIBAUD
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