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Add POINTER_MASKING_PMLEN to the SBI FWFT extension #161

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SiFiveHolland
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Allow supervisor software to request that pointer masking be enabled for S-mode. Supervisor software provides a lower bound on PMLEN, which abstracts away which specific pointer masking modes are supported.

This matches the pattern of the proposed Linux API for enabling pointer masking in userspace.

Allow supervisor software to request that pointer masking be enabled for
S-mode. Supervisor software provides a lower bound on PMLEN, which
abstracts away which specific pointer masking modes are supported.

Signed-off-by: Samuel Holland <[email protected]>
@SiFiveHolland SiFiveHolland force-pushed the up/fwft-pointer-masking branch from a07393d to fafdce0 Compare September 10, 2024 23:59
@atishp04 atishp04 merged commit e75313d into riscv-non-isa:master Sep 13, 2024
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2 participants