ARM: tlbflush.h: introduce TLB_BTB flag
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index b543a05..ffedd24 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -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 @@
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 @@
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 @@
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 @@
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();