[PATCH v2] linux-gen: add configure option for passing target system#2350
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MatiasElo wants to merge 4 commits into
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[PATCH v2] linux-gen: add configure option for passing target system#2350MatiasElo wants to merge 4 commits into
MatiasElo wants to merge 4 commits into
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Add new '--with-target' configure option for passing ODP target system. This enables implementing system specific optimizations. Initially, the supported systems are neoverse-n2, neoverse-n3, neoverse-v1, neoverse-v2, and neoverse-v3. Signed-off-by: Matias Elo <matias.elo@nokia.com>
ARMv8.6 and newer systems have time counter running at 1 GHz, which removes the need for calculations in time to/from nanosecond conversions. Add _ODP_TIME_FREQ_1GHZ define for enabling this optimization and define it for supported target systems. Signed-off-by: Matias Elo <matias.elo@nokia.com>
Use aarch64 self-synchronizing virtual count register cntvctss_el0 for implementing strict time/cycle count APIs without ISB barriers. Add _ODP_FEAT_ECV define for enabling this instruction and define it for neoverse-n3/v3 targets which supports it. Signed-off-by: Matias Elo <matias.elo@nokia.com>
Add test for neoverse-v1 (Graviton3 core) specific optimizations using new '--with-target' configure option. Signed-off-by: Matias Elo <matias.elo@nokia.com>
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