linux-kernel - Re: [PATCH] m68k: math-emu: Fix dependencies of math emulation support

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Message-ID: <87lev8ushl.fsf@igel.home>
Date:   Wed, 11 May 2022 15:08:22 +0200
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Greg Ungerer <gerg@...inux.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] m68k: math-emu: Fix dependencies of math emulation support

On Mai 11 2022, Geert Uytterhoeven wrote:

> The FPU emu code also relies on the CPU trapping on the proper
> instructions, which I believe you need a 68020+ for, too?

While pre-020 doesn't have the coprocessor interface (which is not
fpu-specific, though), they still use the same exception vector.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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