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| /rk3399_ARM-atf/include/lib/el3_runtime/ |
| H A D | simd_ctx.h | 841533dd5345dfd7ab78effe1544dc72b6ec840d Mon Jun 17 20:12:26 UTC 2024 Madhukar Pappireddy <madhukar.pappireddy@arm.com> feat(simd): add data struct for simd ctxt management
From a context management perspective, we refer to SVE and FP state
as SIMD. SVE can be considered as a superset of FP/NEON functionality
and there is a architectural dependency between the two due to the fact
that FP registers occupy the bottom 128 bits of SVE Z vector registers.
This patch introduces a new data structure to hold the FP state of a CPU
as needed for context management operations during world switch events.
It will evolve in next patches to capture the SVE state as well.
Having this unified data structure is necessary for us to implement
SIMD context management while catering to various build configurations.
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: If2a9a7526883780df49bbd3dade2f09f7c3d95ae
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| /rk3399_ARM-atf/ |
| H A D | changelog.yaml | 841533dd5345dfd7ab78effe1544dc72b6ec840d Mon Jun 17 20:12:26 UTC 2024 Madhukar Pappireddy <madhukar.pappireddy@arm.com> feat(simd): add data struct for simd ctxt management
From a context management perspective, we refer to SVE and FP state
as SIMD. SVE can be considered as a superset of FP/NEON functionality
and there is a architectural dependency between the two due to the fact
that FP registers occupy the bottom 128 bits of SVE Z vector registers.
This patch introduces a new data structure to hold the FP state of a CPU
as needed for context management operations during world switch events.
It will evolve in next patches to capture the SVE state as well.
Having this unified data structure is necessary for us to implement
SIMD context management while catering to various build configurations.
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Signed-off-by: Okash Khawaja <okash@google.com>
Change-Id: If2a9a7526883780df49bbd3dade2f09f7c3d95ae
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