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authorAtish Patra <atish.patra@wdc.com>2020-12-23 11:25:53 -0800
committerAlistair Francis <alistair.francis@wdc.com>2021-01-16 10:57:21 -0800
commitd102f19a2085ac931cb998e6153b73248cca49f1 (patch)
tree27dd4ac7a7840c7a9d462869482c6f9ad76fce3f /target/riscv/pmp.h
parent1a475d39ef5467ca432c91beb67e9009304bb0bc (diff)
target/riscv/pmp: Raise exception if no PMP entry is configured
As per the privilege specification, any access from S/U mode should fail if no pmp region is configured. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20201223192553.332508-1-atish.patra@wdc.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/pmp.h')
-rw-r--r--target/riscv/pmp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/riscv/pmp.h b/target/riscv/pmp.h
index 6c6b4c9bef..c8d5ef4a69 100644
--- a/target/riscv/pmp.h
+++ b/target/riscv/pmp.h
@@ -64,5 +64,6 @@ bool pmp_is_range_in_tlb(CPURISCVState *env, hwaddr tlb_sa,
target_ulong *tlb_size);
void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index);
void pmp_update_rule_nums(CPURISCVState *env);
+uint32_t pmp_get_num_rules(CPURISCVState *env);
#endif