From b509caceaa6dcb694015390a202002a0f3088ad0 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Thu, 30 Jun 2022 09:31:01 +1000 Subject: [PATCH] target/riscv: Fixup MSECCFG minimum priv check There is nothing in the RISC-V spec that mandates version 1.12 is required for ePMP and there is currently hardware [1] that implements ePMP (a draft version though) with the 1.11 priv spec. 1: https://ibex-core.readthedocs.io/en/latest/01_overview/compliance.html Fixes: a4b2fa433125 ("target/riscv: Introduce privilege version field in the CSR ops.") Signed-off-by: Alistair Francis Reviewed-by: Bin Meng Message-Id: <20220629233102.275181-2-alistair.francis@opensource.wdc.com> --- target/riscv/csr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index d65318dcc6..d14a0cb0a0 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3812,7 +3812,7 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = { /* Physical Memory Protection */ [CSR_MSECCFG] = { "mseccfg", epmp, read_mseccfg, write_mseccfg, - .min_priv_ver = PRIV_VERSION_1_12_0 }, + .min_priv_ver = PRIV_VERSION_1_11_0 }, [CSR_PMPCFG0] = { "pmpcfg0", pmp, read_pmpcfg, write_pmpcfg }, [CSR_PMPCFG1] = { "pmpcfg1", pmp, read_pmpcfg, write_pmpcfg }, [CSR_PMPCFG2] = { "pmpcfg2", pmp, read_pmpcfg, write_pmpcfg }, -- 2.42.0