* [PATCH] M68k switch_to
@ 2003-08-24 12:58 Geert Uytterhoeven
0 siblings, 0 replies; 2+ messages in thread
From: Geert Uytterhoeven @ 2003-08-24 12:58 UTC (permalink / raw)
To: Linus Torvalds, Andrew Morton
Cc: Linux Kernel Development, Geert Uytterhoeven
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
^ permalink raw reply [flat|nested] 2+ messages in thread* [PATCH] M68k switch_to
@ 2003-08-29 14:51 Geert Uytterhoeven
0 siblings, 0 replies; 2+ messages in thread
From: Geert Uytterhoeven @ 2003-08-29 14:51 UTC (permalink / raw)
To: Marcelo Tosatti; +Cc: Linux Kernel Development, Geert Uytterhoeven
M68k: Fix asm constraints in switch_to() (from Andreas Schwab)
--- linux-2.4.23-pre1/include/asm-m68k/system.h Fri May 23 09:53:45 2003
+++ linux-m68k-2.4.23-pre1/include/asm-m68k/system.h Tue Aug 12 12:40:32 2003
@@ -42,8 +42,9 @@
register void *_next __asm__ ("a1") = (next); \
register void *_last __asm__ ("d1"); \
__asm__ __volatile__("jbsr " SYMBOL_NAME_STR(resume) \
- : "=d" (_last) : "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; \
}
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
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2003-08-24 12:58 [PATCH] M68k switch_to Geert Uytterhoeven
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