On Wed, Jul 11, 2012 at 2:37 AM, <gerg@xxxxxxxxxxxx> wrote:
--- a/arch/m68k/include/asm/cacheflush_mm.h
+++ b/arch/m68k/include/asm/cacheflush_mm.h
@@ -17,6 +17,41 @@
#define DCACHE_SETMASK 0
#endif
+/*
+ * ColdFire architecture has no way to clear individual cache lines, so we
+ * are stuck invalidating all the cache entries when we want a clear operation.
+ */
+static inline void clear_cf_icache(unsigned long start, unsigned long end)
+{
+ __asm__ __volatile__ (
+ "movec %0,%%cacr\n\t"
+ "nop\n\t"
+ :
+ : "r" (CACHE_MODE | CACR_ICINVA | CACR_BCINVA));
These new functions should be moved inside the #ifdef CONFIG_COLDFIRE
at the top of the file:
arch/m68k/include/asm/cacheflush_mm.h:30:10: error: 'CACHE_MODE'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:30:23: error: 'CACR_ICINVA'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:30:37: error: 'CACR_BCINVA'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:39:10: error: 'CACHE_MODE'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:39:23: error: 'CACR_DCINVA'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:48:10: error: 'CACHE_MODE'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:48:23: error: 'CACR_ICINVA'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:48:37: error: 'CACR_BCINVA'
undeclared (first use in this function)
arch/m68k/include/asm/cacheflush_mm.h:48:51: error: 'CACR_DCINVA'
undeclared (first use in this function)
http://kisskb.ellerman.id.au/kisskb/buildresult/6720541/
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
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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