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[Qemu-devel] [ide] why does WIN_DIAGNOSE not set READY_STAT
From: |
Till Straumann |
Subject: |
[Qemu-devel] [ide] why does WIN_DIAGNOSE not set READY_STAT |
Date: |
Wed, 09 Jan 2008 17:47:10 -0800 |
User-agent: |
Icedove 1.5.0.14pre (X11/20071018) |
Hi.
I found that the RTEMS ATA driver hangs
because it waits for READY_STAT to be asserted
after issuing a WIN_DIAGNOSE command.
In hw/ide.c we find
case WIN_DIAGNOSE:
ide_set_signature(s);
s->status = 0x00; /* NOTE: READY is _not_ set */
s->error = 0x01;
ide_set_irq(s);
break;
but if I look at some ATA-3 (draft) document I found
linked from wikipedia
(here:
http://www.t10.org/t13/project/d2008r7b-ATA-3.pdf
)
I find (pp 45,46) that the READY bit in fact should be set.
??
Regards
-- Till
(PS please CC-me on any replies, I'm not a subscriber)
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