diff options
| author | Robin Murphy | 2017-07-25 12:55:42 +0200 |
|---|---|---|
| committer | Catalin Marinas | 2017-08-09 13:15:45 +0200 |
| commit | d50e071fdaa33c1b399c764c44fa1ce879881185 (patch) | |
| tree | c0af7e49c8f4124195159e1d6380d521bea435d3 /arch/arm64/include/asm/assembler.h | |
| parent | arm64: Handle trapped DC CVAP (diff) | |
| download | kernel-qcow2-linux-d50e071fdaa33c1b399c764c44fa1ce879881185.tar.gz kernel-qcow2-linux-d50e071fdaa33c1b399c764c44fa1ce879881185.tar.xz kernel-qcow2-linux-d50e071fdaa33c1b399c764c44fa1ce879881185.zip | |
arm64: Implement pmem API support
Add a clean-to-point-of-persistence cache maintenance helper, and wire
up the basic architectural support for the pmem driver based on it.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
[catalin.marinas@arm.com: move arch_*_pmem() functions to arch/arm64/mm/flush.c]
[catalin.marinas@arm.com: change dmb(sy) to dmb(osh)]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 1b67c3782d00..5d8903c45031 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -353,6 +353,12 @@ alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE alternative_else dc civac, \kaddr alternative_endif + .elseif (\op == cvap) +alternative_if ARM64_HAS_DCPOP + sys 3, c7, c12, 1, \kaddr // dc cvap +alternative_else + dc cvac, \kaddr +alternative_endif .else dc \op, \kaddr .endif |