In machvirt_init we create a cpu but do not fully initialize it.
Thus the propagation of V7VE to LPAE has not been done, and we
compute the wrong value for some v7 cpus, e.g. cortex-a15.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1078
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: He Zhe <zhe.he@windriver.com>
Message-id:
20220619001541.131672-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
assert(parange < ARRAY_SIZE(pamax_map));
return pamax_map[parange];
}
- if (arm_feature(&cpu->env, ARM_FEATURE_LPAE)) {
+
+ /*
+ * In machvirt_init, we call arm_pamax on a cpu that is not fully
+ * initialized, so we can't rely on the propagation done in realize.
+ */
+ if (arm_feature(&cpu->env, ARM_FEATURE_LPAE) ||
+ arm_feature(&cpu->env, ARM_FEATURE_V7VE)) {
/* v7 with LPAE */
return 40;
}