Commit 1145188e authored by Alistair Francis's avatar Alistair Francis
Browse files

target/riscv: Use a smaller guess size for no-MMU PMP 



Signed-off-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarBin Meng <bin.meng@windriver.com>
parent cc411260

target/riscv/pmp.c

+9 −5
Original line number Diff line number Diff line
@@ -233,12 +233,16 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, 
        return true;

    }



    if (size == 0) {

        if (riscv_feature(env, RISCV_FEATURE_MMU)) {

            /*

     * if size is unknown (0), assume that all bytes

             * If size is unknown (0), assume that all bytes

             * from addr to the end of the page will be accessed.

             */

    if (size == 0) {

            pmp_size = -(addr | TARGET_PAGE_MASK);

        } else {

            pmp_size = sizeof(target_ulong);

        }

    } else {

        pmp_size = size;

    }