diff options
| author | Atish Patra <atishp@rivosinc.com> | 2022-03-03 10:54:37 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2022-04-22 10:35:16 +1000 |
| commit | a4b2fa433125af0305b0695d7f8dda61db3364b0 (patch) | |
| tree | afc9c6b462fa4363207dacd19208719c87c9a2d5 /target/riscv/cpu.h | |
| parent | 3a4af26d7a821b0299d25a2b002455899f1303ff (diff) | |
target/riscv: Introduce privilege version field in the CSR ops.
To allow/disallow the CSR access based on the privilege spec, a new field
in the csr_ops is introduced. It also adds the privileged specification
version (v1.12) for the CSRs introduced in the v1.12. This includes the
new ratified extensions such as Vector, Hypervisor and secconfig CSR.
However, it doesn't enforce the privilege version in this commit.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-Id: <20220303185440.512391-4-atishp@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/cpu.h')
| -rw-r--r-- | target/riscv/cpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 19c3b6610b..5139110c4f 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -658,6 +658,8 @@ typedef struct { riscv_csr_op_fn op; riscv_csr_read128_fn read128; riscv_csr_write128_fn write128; + /* The default priv spec version should be PRIV_VERSION_1_10_0 (i.e 0) */ + uint32_t min_priv_ver; } riscv_csr_operations; /* CSR function table constants */ |