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| author | Peter Maydell <peter.maydell@linaro.org> | 2014-04-15 19:18:41 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-04-17 21:34:04 +0100 |
| commit | aca3f40b374428e9c01068cf96294483cbb760a0 (patch) | |
| tree | ea0528c089b29a84a44cac1cd539d80917e51308 /target-arm/helper.h | |
| parent | 9225d739e7f6ec8d2139f79c3d2e3282cc725364 (diff) | |
target-arm: A64: Implement DC ZVA
Implement the DC ZVA instruction, which clears a block of memory.
The fast path obtains a pointer to the underlying RAM via the TCG TLB
data structure so we can do a direct memset(), with fallback to a
simple byte-store loop in the slow path.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Diffstat (limited to 'target-arm/helper.h')
| -rw-r--r-- | target-arm/helper.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target-arm/helper.h b/target-arm/helper.h index 0abdb0c8e0..597716924c 100644 --- a/target-arm/helper.h +++ b/target-arm/helper.h @@ -515,6 +515,7 @@ DEF_HELPER_4(crypto_aesmc, void, env, i32, i32, i32) DEF_HELPER_FLAGS_3(crc32, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32) DEF_HELPER_FLAGS_3(crc32c, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32) +DEF_HELPER_2(dc_zva, void, env, i64) #ifdef TARGET_AARCH64 #include "helper-a64.h" |