diff options
Diffstat (limited to 'arch/microblaze/include/asm/mmu.h')
| -rw-r--r-- | arch/microblaze/include/asm/mmu.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/microblaze/include/asm/mmu.h b/arch/microblaze/include/asm/mmu.h index 5198de8b122..1f9edddf7f4 100644 --- a/arch/microblaze/include/asm/mmu.h +++ b/arch/microblaze/include/asm/mmu.h @@ -56,6 +56,12 @@ typedef struct _SEGREG { extern void _tlbie(unsigned long va); /* invalidate a TLB entry */ extern void _tlbia(void); /* invalidate all TLB entries */ + +/* + * tlb_skip size stores actual number skipped TLBs from TLB0 - every directy TLB + * mapping has to increase tlb_skip size. + */ +extern u32 tlb_skip; # endif /* __ASSEMBLY__ */ /* @@ -68,7 +74,12 @@ extern void _tlbia(void); /* invalidate all TLB entries */ */ # define MICROBLAZE_TLB_SIZE 64 -# define MICROBLAZE_TLB_SKIP 2 + +/* For cases when you want to skip some TLB entries */ +# define MICROBLAZE_TLB_SKIP 0 + +/* Use the last TLB for temporary access to LMB */ +# define MICROBLAZE_LMB_TLB_ID 63 /* * TLB entries are defined by a "high" tag portion and a "low" data |