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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>
Cc: Linux Kernel Development <linux-kernel@vger.kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH] M68k switch_to
Date: Sun, 24 Aug 2003 14:58:51 +0200	[thread overview]
Message-ID: <200308241258.h7OCwphp000985@callisto.of.borg> (raw)

M68k: Set last in switch_to(), fix asm constraints (from Andreas Schwab)

--- linux-2.6.0-test3/include/asm-m68k/system.h	Tue Mar 25 10:07:22 2003
+++ linux-m68k-2.6.0-test3/include/asm-m68k/system.h	Tue Aug 12 12:48:28 2003
@@ -36,9 +36,12 @@
 #define switch_to(prev,next,last) do { \
   register void *_prev __asm__ ("a0") = (prev); \
   register void *_next __asm__ ("a1") = (next); \
+  register void *_last __asm__ ("d1"); \
   __asm__ __volatile__("jbsr resume" \
-		       : : "a" (_prev), "a" (_next) \
-		       : "d0", "d1", "d2", "d3", "d4", "d5", "a0", "a1"); \
+		       : "=a" (_prev), "=a" (_next), "=d" (_last) \
+		       : "0" (_prev), "1" (_next) \
+		       : "d0", "d2", "d3", "d4", "d5"); \
+  (last) = _last; \
 } while (0)
 
 

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

             reply	other threads:[~2003-08-24 12:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-24 12:58 Geert Uytterhoeven [this message]
2003-08-29 14:51 Geert Uytterhoeven

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