From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: needs writeback on ptrace
Date: Fri, 15 Feb 2008 07:56:59 +0000 [thread overview]
Message-ID: <20080215075659.GA23834@linux-sh.org> (raw)
In-Reply-To: <20080215.095254.68562685.saito@densan.co.jp>
On Fri, Feb 15, 2008 at 04:40:03PM +0900, Hideo Saito wrote:
> The chang was not effective. If the following code at
> flush_cache_page() in cache-sh4.c is removed, gdb works.
>
> if ((address^phys) & alias_mask) {
> /* Loop 4K of the D-cache */
> flush_cache_4096(
> CACHE_OC_ADDRESS_ARRAY | (address & alias_mask),
> phys);
> /* Loop another 4K of the D-cache */
> flush_cache_4096(
> CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask),
> phys);
> }
>
> modified as follows:
> if (1) {
> ...
> }
>
> I think that the breakpoint should always be written to the physical memory.
What are the values of address, phys, and alias_mask on your platform in
this case?
next prev parent reply other threads:[~2008-02-15 7:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-15 0:52 needs writeback on ptrace Hideo Saito
2008-02-15 5:29 ` Paul Mundt
2008-02-15 7:40 ` Hideo Saito
2008-02-15 7:56 ` Paul Mundt [this message]
2008-02-15 9:10 ` Hideo Saito
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