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Diffstat (limited to 'arch/mips/include/asm/r4kcache.h')
-rw-r--r--arch/mips/include/asm/r4kcache.h63
1 files changed, 4 insertions, 59 deletions
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index 4520adc8699b..e293a8d89a6d 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -47,79 +47,20 @@ extern void (*r4k_blast_icache)(void);
#ifdef CONFIG_MIPS_MT
-/*
- * Optionally force single-threaded execution during I-cache flushes.
- */
-#define PROTECT_CACHE_FLUSHES 1
-
-#ifdef PROTECT_CACHE_FLUSHES
-
-extern int mt_protiflush;
-extern int mt_protdflush;
-extern void mt_cflush_lockdown(void);
-extern void mt_cflush_release(void);
-
-#define BEGIN_MT_IPROT \
- unsigned long flags = 0; \
- unsigned long mtflags = 0; \
- if(mt_protiflush) { \
- local_irq_save(flags); \
- ehb(); \
- mtflags = dvpe(); \
- mt_cflush_lockdown(); \
- }
-
-#define END_MT_IPROT \
- if(mt_protiflush) { \
- mt_cflush_release(); \
- evpe(mtflags); \
- local_irq_restore(flags); \
- }
-
-#define BEGIN_MT_DPROT \
- unsigned long flags = 0; \
- unsigned long mtflags = 0; \
- if(mt_protdflush) { \
- local_irq_save(flags); \
- ehb(); \
- mtflags = dvpe(); \
- mt_cflush_lockdown(); \
- }
-
-#define END_MT_DPROT \
- if(mt_protdflush) { \
- mt_cflush_release(); \
- evpe(mtflags); \
- local_irq_restore(flags); \
- }
-
-#else
-
-#define BEGIN_MT_IPROT
-#define BEGIN_MT_DPROT
-#define END_MT_IPROT
-#define END_MT_DPROT
-
-#endif /* PROTECT_CACHE_FLUSHES */
-
#define __iflush_prologue \
unsigned long redundance; \
extern int mt_n_iflushes; \
- BEGIN_MT_IPROT \
for (redundance = 0; redundance < mt_n_iflushes; redundance++) {
#define __iflush_epilogue \
- END_MT_IPROT \
}
#define __dflush_prologue \
unsigned long redundance; \
extern int mt_n_dflushes; \
- BEGIN_MT_DPROT \
for (redundance = 0; redundance < mt_n_dflushes; redundance++) {
#define __dflush_epilogue \
- END_MT_DPROT \
}
#define __inv_dflush_prologue __dflush_prologue
@@ -257,7 +198,11 @@ static inline void protected_flush_icache_line(unsigned long addr)
*/
static inline void protected_writeback_dcache_line(unsigned long addr)
{
+#ifdef CONFIG_EVA
+ protected_cachee_op(Hit_Writeback_Inv_D, addr);
+#else
protected_cache_op(Hit_Writeback_Inv_D, addr);
+#endif
}
static inline void protected_writeback_scache_line(unsigned long addr)