The privledge check based on the CSR address mask 0x300 doesn't work when using Hypervisor extensions so remove the check
Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> --- target/riscv/csr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index e6d68a9956..c1fcb795cd 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -771,9 +771,8 @@ int riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, /* check privileges and return -1 if check fails */ #if !defined(CONFIG_USER_ONLY) - int csr_priv = get_field(csrno, 0x300); int read_only = get_field(csrno, 0xC00) == 3; - if ((write_mask && read_only) || (env->priv < csr_priv)) { + if (write_mask && read_only) { return -1; } #endif -- 2.21.0