Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20200626033144.790098-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= SCR_API | SCR_APK;
}
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= SCR_API | SCR_APK;
}
+ if (cpu_isar_feature(aa64_mte, cpu)) {
+ valid_mask |= SCR_ATA;
+ }
} else {
valid_mask &= ~(SCR_RW | SCR_ST);
}
} else {
valid_mask &= ~(SCR_RW | SCR_ST);
}
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= HCR_API | HCR_APK;
}
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= HCR_API | HCR_APK;
}
+ if (cpu_isar_feature(aa64_mte, cpu)) {
+ valid_mask |= HCR_ATA | HCR_DCT | HCR_TID5;
+ }
}
/* Clear RES0 bits. */
value &= valid_mask;
}
/* Clear RES0 bits. */
value &= valid_mask;
- /* These bits change the MMU setup:
+ /*
+ * These bits change the MMU setup:
* HCR_VM enables stage 2 translation
* HCR_PTW forbids certain page-table setups
* HCR_VM enables stage 2 translation
* HCR_PTW forbids certain page-table setups
- * HCR_DC Disables stage1 and enables stage2 translation
+ * HCR_DC disables stage1 and enables stage2 translation
+ * HCR_DCT enables tagging on (disabled) stage1 translation
- if ((env->cp15.hcr_el2 ^ value) & (HCR_VM | HCR_PTW | HCR_DC)) {
+ if ((env->cp15.hcr_el2 ^ value) & (HCR_VM | HCR_PTW | HCR_DC | HCR_DCT)) {
tlb_flush(CPU(cpu));
}
env->cp15.hcr_el2 = value;
tlb_flush(CPU(cpu));
}
env->cp15.hcr_el2 = value;