diff options
| author | Hou Weiying <weiying_hou@outlook.com> | 2021-04-19 16:16:53 +1000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2021-05-11 20:02:06 +1000 |
| commit | 2582a95c3c46d2e9d7fbe4a6ff01cfe6b4875339 (patch) | |
| tree | 116598a3991aec6c0afd3f3c2cc0b8177ab86450 /target/riscv/pmp.h | |
| parent | 4a345b2a8399b8618e319be375719e9d4d6975d3 (diff) | |
target/riscv: Add ePMP CSR access functions
Signed-off-by: Hongzheng-Li <Ethan.Lee.QNL@gmail.com>
Signed-off-by: Hou Weiying <weiying_hou@outlook.com>
Signed-off-by: Myriad-Dreamin <camiyoru@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 270762cb2507fba6a9eeb99a774cf49f7da9cc32.1618812899.git.alistair.francis@wdc.com
[ Changes by AF:
- Rebase on master
- Fix build errors
- Fix some style issues
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'target/riscv/pmp.h')
| -rw-r--r-- | target/riscv/pmp.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target/riscv/pmp.h b/target/riscv/pmp.h index b82a30f0d5..a9a0b363a7 100644 --- a/target/riscv/pmp.h +++ b/target/riscv/pmp.h @@ -36,6 +36,12 @@ typedef enum { PMP_AMATCH_NAPOT /* Naturally aligned power-of-two region */ } pmp_am_t; +typedef enum { + MSECCFG_MML = 1 << 0, + MSECCFG_MMWP = 1 << 1, + MSECCFG_RLB = 1 << 2 +} mseccfg_field_t; + typedef struct { target_ulong addr_reg; uint8_t cfg_reg; @@ -55,6 +61,10 @@ typedef struct { void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index, target_ulong val); target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index); + +void mseccfg_csr_write(CPURISCVState *env, target_ulong val); +target_ulong mseccfg_csr_read(CPURISCVState *env); + void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, target_ulong val); target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index); @@ -68,4 +78,8 @@ void pmp_update_rule_nums(CPURISCVState *env); uint32_t pmp_get_num_rules(CPURISCVState *env); int pmp_priv_to_page_prot(pmp_priv_t pmp_priv); +#define MSECCFG_MML_ISSET(env) get_field(env->mseccfg, MSECCFG_MML) +#define MSECCFG_MMWP_ISSET(env) get_field(env->mseccfg, MSECCFG_MMWP) +#define MSECCFG_RLB_ISSET(env) get_field(env->mseccfg, MSECCFG_RLB) + #endif |