From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org, balrogg@gmail.com
Subject: Re: [Qemu-devel] [PATCH] SecureDigital card emulation.
Date: Sat, 17 Mar 2007 10:29:18 +0000 [thread overview]
Message-ID: <200703171029.19713.paul@codesourcery.com> (raw)
In-Reply-To: <fb249edb0703161359n53c71ba4k76b209783a05a5cd@mail.gmail.com>
On Friday 16 March 2007 20:59, andrzej zaborowski wrote:
> Emulates an SD card with the full command set (no SPI mode though).
> Should be more or less compliant with version 1.10 specification.
I suspect your code only works on x86. Specifically things like:
> +struct sd_response_r1_s {
> + uint8_t cmd;
> + uint32_t status;
> + uint8_t crc;
> +};
Will be a 12-byte struct on many hosts, and probably also breaks on big-endian
hosts. AFAICS there's no way for the caller of sd_write_cmdline to figure out
what type of response is returned (other than the length), so has to rely on
doing a bitwise copy.
Paul
next prev parent reply other threads:[~2007-03-17 10:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 20:59 [Qemu-devel] [PATCH] SecureDigital card emulation andrzej zaborowski
2007-03-17 10:29 ` Paul Brook [this message]
2007-03-17 11:01 ` andrzej zaborowski
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