diff options
| author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2026-04-25 22:21:49 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander@ouroboros.rocks> | 2026-05-06 09:04:22 +0200 |
| commit | 77fdc9f1d162b2307d7752d56930710858f702b4 (patch) | |
| tree | de70a08d6da1c0d5f14a4693c0872843b4625717 /cmake/config | |
| parent | dd978895f5bbf6b595813d1288d90f825fd402ec (diff) | |
| download | ouroboros-77fdc9f1d162b2307d7752d56930710858f702b4.tar.gz ouroboros-77fdc9f1d162b2307d7752d56930710858f702b4.zip | |
cmake: Add CPU feature detection helper
Add cmake/utils/CPUUtils.cmake providing detect_cpu_feature() plus
detect_pclmul() and detect_pmull() that compile-test for x86
PCLMULQDQ+SSE4.1 and aarch64 FEAT_PMULL respectively.
This will be useful for hardware accelerated CRC64/NVMe integrity
checks.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'cmake/config')
| -rw-r--r-- | cmake/config/lib.cmake | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cmake/config/lib.cmake b/cmake/config/lib.cmake index 287f30dc..aba580f1 100644 --- a/cmake/config/lib.cmake +++ b/cmake/config/lib.cmake @@ -28,6 +28,17 @@ set(SOCKET_TIMEOUT 500 CACHE STRING set(QOS_DISABLE_CRC TRUE CACHE BOOL "Ignores ber setting on all QoS cubes") +include(utils/CPUUtils) +detect_pclmul() +detect_pmull() +if(HAVE_PCLMUL) + message(STATUS "CRC-64/NVMe backend: PCLMUL (x86 SSE4.1+PCLMUL)") +elseif(HAVE_PMULL) + message(STATUS "CRC-64/NVMe backend: PMULL (aarch64 crypto)") +else() + message(STATUS "CRC-64/NVMe backend: byte table (no acceleration)") +endif() + # Delta-t protocol timers set(DELTA_T_MPL 60 CACHE STRING "Maximum packet lifetime (s)") |