From: Sam Ravnborg <sam@ravnborg.org>
To: David Miller <davem@davemloft.net>
Cc: carlos@redhat.com, triegel@redhat.com,
adhemerval.zanella@linaro.org, andreas@gaisler.com,
libc-alpha@sourceware.org, software@gaisler.com
Subject: Re: Remove sparcv8 support
Date: Wed, 09 Nov 2016 05:49:00 -0000 [thread overview]
Message-ID: <20161109054943.GA14914@ravnborg.org> (raw)
In-Reply-To: <20161107.200618.307872104473677470.davem@davemloft.net>
Hi Dave.
> diff --git a/arch/sparc/kernel/casemul.S b/arch/sparc/kernel/casemul.S
> new file mode 100644
> index 0000000..237221f
> --- /dev/null
> +++ b/arch/sparc/kernel/casemul.S
> @@ -0,0 +1,66 @@
> +#include <asm/asi.h>
> +#include <asm/thread_info.h>
> +#include <asm/trap_block.h>
> +#include <asm/ptrace.h>
> +#include <asm/head.h>
> +
> + .text
> + .align 128
> + .globl emulate_cas
> + .type emulate_cas,#function
> +emulate_cas:
ENTRY(emulate_cas)
> + casa [%o0] ASI_AIUP, %o1, %o2
> + done
> + nop; nop; nop; nop; nop; nop;
> + nop; nop; nop; nop; nop; nop; nop; nop
> + nop; nop; nop; nop; nop; nop; nop; nop
> + nop; nop; nop; nop; nop;
> + ba,a,pt %xcc, 3f
> + ba,a,pt %xcc, 2f
> + ba,a,pt %xcc, 1f
> + .size emulate_cas,.-emulate_cas
ENDPROC()
Did not (yet) look at the details of emulate_cas.
Sam
next prev parent reply other threads:[~2016-11-09 5:49 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 19:47 Adhemerval Zanella
2016-10-20 20:56 ` David Miller
2016-10-21 9:02 ` Andreas Larsson
2016-10-21 13:13 ` Adhemerval Zanella
2016-10-21 15:03 ` David Miller
2016-10-24 17:14 ` Torvald Riegel
2016-10-24 17:25 ` Torvald Riegel
2016-10-24 17:43 ` Adhemerval Zanella
2016-10-25 14:34 ` Andreas Larsson
2016-10-25 14:45 ` Adhemerval Zanella
2016-10-26 14:46 ` Andreas Larsson
2016-10-26 18:03 ` Adhemerval Zanella
2016-10-26 18:47 ` David Miller
2016-10-26 19:39 ` Adhemerval Zanella
2016-10-27 10:54 ` Torvald Riegel
2016-10-27 14:36 ` Carlos O'Donell
2016-11-07 16:38 ` David Miller
2016-11-07 21:21 ` Sam Ravnborg
2016-11-08 1:06 ` David Miller
2016-11-09 5:49 ` Sam Ravnborg [this message]
2016-11-10 23:33 ` David Miller
2016-11-09 17:08 ` Torvald Riegel
2016-11-09 17:16 ` David Miller
2016-11-10 5:05 ` Torvald Riegel
2016-11-10 16:41 ` Chris Metcalf
2016-11-10 17:08 ` Torvald Riegel
2016-11-10 18:22 ` Chris Metcalf
2016-11-10 23:38 ` Torvald Riegel
2016-10-27 10:38 ` Torvald Riegel
2016-11-01 15:27 ` Andreas Larsson
2016-10-25 14:34 ` Andreas Larsson
2016-10-25 16:22 ` Torvald Riegel
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