riscv: pmp: Add helper to write PMP configuration CSRs #97489
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Introduce `z_riscv_pmp_write_config` to abstract writing to pmpcfg registers. This function handles the differing register layouts and slot counts between RV32 and RV64 architectures, writing to the appropriate pmpcfg0, pmpcfg1, pmpcfg2, or pmpcfg3 CSRs as needed based on CONFIG_PMP_SLOTS. Signed-off-by: Firas Sammoura <[email protected]>
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merging this PR will simplify how we implement #97310 |
fkokosinski
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Oct 14, 2025
jimmyzhe
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Oct 15, 2025
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Introduce
z_riscv_pmp_write_configto abstract writing to pmpcfg registers. This function handles the differing register layouts and slot counts between RV32 and RV64 architectures, writing to the appropriate pmpcfg0, pmpcfg1, pmpcfg2, or pmpcfg3 CSRs as needed based on CONFIG_PMP_SLOTS.