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riscv: pmp: Log pmp access errors as guest errors 

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
master
Alistair Francis 2019-03-16 01:20:02 +00:00 committed by Palmer Dabbelt
parent 5371f5cd71
commit aad5ac2311
No known key found for this signature in database
GPG Key ID: EF4CA1502CCBAB41
1 changed files with 13 additions and 7 deletions
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20
target/riscv/pmp.c
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@ -113,10 +113,11 @@ static void pmp_write_cfg(CPURISCVState *env, uint32_t pmp_index, uint8_t val)
env->pmp_state.pmp[pmp_index].cfg_reg = val;
pmp_update_rule(env, pmp_index);
} else {
PMP_DEBUG("ignoring write - locked");
qemu_log_mask(LOG_GUEST_ERROR, "ignoring pmpcfg write - locked\n");
}
} else {
PMP_DEBUG("ignoring write - out of bounds");
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpcfg write - out of bounds\n");
}
}
@ -249,7 +250,8 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
/* partially inside */
if ((s + e) == 1) {
PMP_DEBUG("pmp violation - access is partially inside");
qemu_log_mask(LOG_GUEST_ERROR,
"pmp violation - access is partially inside\n");
ret = 0;
break;
}
@ -306,7 +308,8 @@ void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
env->mhartid, reg_index, val);
if ((reg_index & 1) && (sizeof(target_ulong) == 8)) {
PMP_DEBUG("ignoring write - incorrect address");
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpcfg write - incorrect address\n");
return;
}
@ -353,10 +356,12 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
env->pmp_state.pmp[addr_index].addr_reg = val;
pmp_update_rule(env, addr_index);
} else {
PMP_DEBUG("ignoring write - locked");
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpaddr write - locked\n");
}
} else {
PMP_DEBUG("ignoring write - out of bounds");
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpaddr write - out of bounds\n");
}
}
@ -372,7 +377,8 @@ target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index)
if (addr_index < MAX_RISCV_PMPS) {
return env->pmp_state.pmp[addr_index].addr_reg;
} else {
PMP_DEBUG("ignoring read - out of bounds");
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpaddr read - out of bounds\n");
return 0;
}
}