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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2021-06-09 10:08:27 +0100 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2021-06-15 17:57:39 +0000 |
commit | 08302c17cd57356b35d46e17dc8d8f76672da5cf (patch) | |
tree | 3fed9bea3586bc140cc953e935f6ed55e8692dac /src/common/cpuinfo/target/CpuInfoSveUtils.cpp | |
parent | 450dfb1b4d719d60295bfae56f4c46dcaf044d72 (diff) | |
download | ComputeLibrary-08302c17cd57356b35d46e17dc8d8f76672da5cf.tar.gz |
Add CPU discovery capabilities.
Resolves: COMPMID-4500
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I008c51934ef813fb1f489b531288c4419e701955
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5799
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/common/cpuinfo/target/CpuInfoSveUtils.cpp')
-rw-r--r-- | src/common/cpuinfo/target/CpuInfoSveUtils.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/common/cpuinfo/target/CpuInfoSveUtils.cpp b/src/common/cpuinfo/target/CpuInfoSveUtils.cpp new file mode 100644 index 0000000000..750a1b01d1 --- /dev/null +++ b/src/common/cpuinfo/target/CpuInfoSveUtils.cpp @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2021 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "src/common/cpuinfo/target/CpuInfoSveUtils.h" + +namespace arm_compute +{ +namespace cpuinfo +{ +uint64_t get_sve_feature_reg() +{ + uint64_t reg = 0; +#if defined(ENABLE_SVE) + __asm __volatile("MRS %0, ID_AA64ZFR0_EL1" + : "=r"(reg)); +#endif /* defined(DENABLE_SVE) */ + return reg; +} +} // namespace cpuinfo +} // namespace arm_compute |