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authorAlistair Francis <alistair.francis@wdc.com>2022-06-30 09:31:01 +1000
committerAlistair Francis <alistair@alistair23.me>2022-07-03 10:03:20 +1000
commitb509caceaa6dcb694015390a202002a0f3088ad0 (patch)
tree61bbb69ae81bd03b7726bb9874fb7cc78bef65fc /target/riscv
parent3780e33732f88a88b444fa42d56c5938ecd33e21 (diff)
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 <alistair.francis@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20220629233102.275181-2-alistair.francis@opensource.wdc.com>
Diffstat (limited to 'target/riscv')
-rw-r--r--target/riscv/csr.c2
1 files changed, 1 insertions, 1 deletions
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 },