From: Ilya Yanok <yanok@emcraft.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] jffs2: some fixes to summary support
Date: Thu, 20 Aug 2009 15:48:56 +0400 [thread overview]
Message-ID: <4A8D3828.3040902@emcraft.com> (raw)
In-Reply-To: <200907181528.25911.vapier@gentoo.org>
Hi Mike,
Mike Frysinger wrote:
>> +#ifdef CONFIG_JFFS2_SUMMARY
>> +static u32 sum_get_unaligned32(u32 *ptr)
>> +{
>> + u32 val;
>> + u8 *p = (u8 *)ptr;
>> +
>> + val = *p | (*(p + 1) << 8) | (*(p + 2) << 16) | (*(p + 3) << 24);
>> +
>> + return __le32_to_cpu(val);
>> +}
>> +
>> +static u16 sum_get_unaligned16(u16 *ptr)
>> +{
>> + u16 val;
>> + u8 *p = (u8 *)ptr;
>> +
>> + val = *p | (*(p + 1) << 8);
>> +
>> + return __le16_to_cpu(val);
>> +}
>>
>
> do get_unaligned_le16 and such not work ?
>
Nope. They do only some typecasting and resulting code still uses word
(halfword) access instructions.
Regards, Ilya.
next prev parent reply other threads:[~2009-08-20 11:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-17 11:02 [U-Boot] [PATCH] jffs2: some fixes to summary support Ilya Yanok
2009-07-18 19:28 ` Mike Frysinger
2009-08-20 11:48 ` Ilya Yanok [this message]
2009-08-21 13:07 ` Detlev Zundel
2009-08-21 18:47 ` Scott Wood
2009-08-24 9:20 ` Detlev Zundel
2009-08-24 10:13 ` Wolfgang Denk
2009-08-21 21:29 ` Wolfgang Denk
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