2 * QEMU RISC-V PMP (Physical Memory Protection)
7 * This provides a RISC-V Physical Memory Protection interface
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2 or later, as published by the Free Software Foundation.
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * You should have received a copy of the GNU General Public License along with
19 * this program. If not, see <http://www.gnu.org/licenses/>.
33 PMP_AMATCH_OFF, /* Null (off) */
34 PMP_AMATCH_TOR, /* Top of Range */
35 PMP_AMATCH_NA4, /* Naturally aligned four-byte region */
36 PMP_AMATCH_NAPOT /* Naturally aligned power-of-two region */
40 target_ulong addr_reg;
50 pmp_entry_t pmp[MAX_RISCV_PMPS];
51 pmp_addr_t addr[MAX_RISCV_PMPS];
55 void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
57 target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index);
58 void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
60 target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index);
61 bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
62 target_ulong size, pmp_priv_t priv, target_ulong mode);