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From: | Guenter Roeck |
Subject: | Re: [Qemu-devel] [PATCH] sh4: Fix serial line access for Linux kernels later than 3.2 |
Date: | Fri, 13 Sep 2013 21:04:41 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130803 Thunderbird/17.0.8 |
On 09/08/2013 12:39 AM, Guenter Roeck wrote:
With Linux kernel version 3.3 or later, qemu fails with the following message: sh_serial: unsupported read from 0x18 Aborted Reported-and-analyzed-by: Rob Landley <address@hidden> Signed-off-by: Guenter Roeck <address@hidden>
ping ...
--- See http://lists.nongnu.org/archive/html/qemu-devel/2012-07/msg03870.html for Rob's analysis of the problem. Unfortunately, the patch never made it into qemu. hw/char/sh_serial.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/hw/char/sh_serial.c b/hw/char/sh_serial.c index 6223a55..9328dd1 100644 --- a/hw/char/sh_serial.c +++ b/hw/char/sh_serial.c @@ -248,11 +248,9 @@ static uint64_t sh_serial_read(void *opaque, hwaddr offs, s->flags &= ~SH_SERIAL_FLAG_RDF; } break; -#if 0 case 0x18: ret = s->fcr; break; -#endif case 0x1c: ret = s->rx_cnt; break;
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