| commit | aca3f40b374428e9c01068cf96294483cbb760a0 | |
| author | Peter Maydell <peter.maydell@linaro.org> | |
| Tue, 15 Apr 2014 18:18:41 +0000 (15 19:18 +0100) | ||
| committer | Peter Maydell <peter.maydell@linaro.org> | |
| Thu, 17 Apr 2014 20:34:04 +0000 (17 21:34 +0100) | ||
| tree | ea0528c089b29a84a44cac1cd539d80917e51308 | treesnapshot (tar.gz zip) |
| parent | 9225d739e7f6ec8d2139f79c3d2e3282cc725364 | commitdiff |
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>
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>