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-rw-r--r--target-arm/helper.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index e51b038944..e96404aa5c 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -871,6 +871,19 @@ static const ARMCPRegInfo mpidr_cp_reginfo[] = {
REGINFO_SENTINEL
};
+static const ARMCPRegInfo lpae_cp_reginfo[] = {
+ /* NOP AMAIR0/1: the override is because these clash with tha rather
+ * broadly specified TLB_LOCKDOWN entry in the generic cp_reginfo.
+ */
+ { .name = "AMAIR0", .cp = 15, .crn = 10, .crm = 3, .opc1 = 0, .opc2 = 0,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_OVERRIDE,
+ .resetvalue = 0 },
+ { .name = "AMAIR1", .cp = 15, .crn = 10, .crm = 3, .opc1 = 0, .opc2 = 1,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_OVERRIDE,
+ .resetvalue = 0 },
+ REGINFO_SENTINEL
+};
+
static int sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
{
env->cp15.c1_sys = value;
@@ -1016,6 +1029,9 @@ void register_cp_regs_for_features(ARMCPU *cpu)
if (arm_feature(env, ARM_FEATURE_MPIDR)) {
define_arm_cp_regs(cpu, mpidr_cp_reginfo);
}
+ if (arm_feature(env, ARM_FEATURE_LPAE)) {
+ define_arm_cp_regs(cpu, lpae_cp_reginfo);
+ }
/* Slightly awkwardly, the OMAP and StrongARM cores need all of
* cp15 crn=0 to be writes-ignored, whereas for other cores they should
* be read-only (ie write causes UNDEF exception).