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ARM: tlbflush.h: introduce TLB_BTB flag

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Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
This commit is contained in:
Paulius Zaleckas 2009-03-25 10:58:47 +02:00
parent 8e0ee43bc2
commit bba7d0b9ba
1 changed files with 6 additions and 13 deletions
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19
arch/arm/include/asm/tlbflush.h
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@ -39,6 +39,7 @@
#define TLB_V6_D_ASID (1 << 17)
#define TLB_V6_I_ASID (1 << 18)
#define TLB_BTB (1 << 28)
#define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */
#define TLB_DCLEAN (1 << 30)
#define TLB_WB (1 << 31)
@ -140,7 +141,7 @@
# define v4wb_always_flags (-1UL)
#endif
#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | \
#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
TLB_V6_I_FULL | TLB_V6_D_FULL | \
TLB_V6_I_PAGE | TLB_V6_D_PAGE | \
TLB_V6_I_ASID | TLB_V6_D_ASID)
@ -297,9 +298,7 @@ static inline void local_flush_tlb_all(void)
if (tlb_flag(TLB_V4_I_FULL | TLB_V6_I_FULL))
asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc");
if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
TLB_V6_I_ASID | TLB_V6_D_ASID)) {
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
dsb();
@ -334,9 +333,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
if (tlb_flag(TLB_V6_I_ASID))
asm("mcr p15, 0, %0, c8, c5, 2" : : "r" (asid) : "cc");
if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
TLB_V6_I_ASID | TLB_V6_D_ASID)) {
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
dsb();
@ -374,9 +371,7 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (uaddr) : "cc");
if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
TLB_V6_I_ASID | TLB_V6_D_ASID)) {
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
dsb();
@ -411,9 +406,7 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc");
if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
TLB_V6_I_ASID | TLB_V6_D_ASID)) {
if (tlb_flag(TLB_BTB)) {
/* flush the branch target cache */
asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
dsb();