diff options
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/cache.h | 4 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cacheflush.h | 3 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cpucaps.h | 4 |
3 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h index b2e6ece..5df5cfe 100644 --- a/arch/arm64/include/asm/cache.h +++ b/arch/arm64/include/asm/cache.h @@ -20,8 +20,12 @@ #define CTR_L1IP_SHIFT 14 #define CTR_L1IP_MASK 3 +#define CTR_DMINLINE_SHIFT 16 +#define CTR_ERG_SHIFT 20 #define CTR_CWG_SHIFT 24 #define CTR_CWG_MASK 15 +#define CTR_IDC_SHIFT 28 +#define CTR_DIC_SHIFT 29 #define CTR_L1IP(ctr) (((ctr) >> CTR_L1IP_SHIFT) & CTR_L1IP_MASK) diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index bef9f41..7dfcec4 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -133,6 +133,9 @@ extern void flush_dcache_page(struct page *); static inline void __flush_icache_all(void) { + if (cpus_have_const_cap(ARM64_HAS_CACHE_DIC)) + return; + asm("ic ialluis"); dsb(ish); } diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index 39134c4..ff9fb3a 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -46,7 +46,9 @@ #define ARM64_HARDEN_BP_POST_GUEST_EXIT 25 #define ARM64_HAS_RAS_EXTN 26 #define ARM64_WORKAROUND_843419 27 +#define ARM64_HAS_CACHE_IDC 28 +#define ARM64_HAS_CACHE_DIC 29 -#define ARM64_NCAPS 28 +#define ARM64_NCAPS 30 #endif /* __ASM_CPUCAPS_H */ |
