@@ -446,6 +446,17 @@ struct CPUMIPSState {
* CP0 Register 6
*/
int32_t CP0_Wired;
+ int32_t CP0_PWCtl;
+#define CP0PC_PWEN 31
+#if defined(TARGET_MIPS64)
+#define CP0PC_PWDIREXT 30
+#define CP0PC_XK 28
+#define CP0PC_XS 27
+#define CP0PC_XU 26
+#endif
+#define CP0PC_DPH 7
+#define CP0PC_HUGEPG 6
+#define CP0PC_PSN 0 /* 5..0 */
int32_t CP0_SRSConf0_rw_bitmask;
int32_t CP0_SRSConf0;
#define CP0SRSC0_M 31
@@ -129,6 +129,7 @@ DEF_HELPER_2(mtc0_srsconf2, void, env, tl)
DEF_HELPER_2(mtc0_srsconf3, void, env, tl)
DEF_HELPER_2(mtc0_srsconf4, void, env, tl)
DEF_HELPER_2(mtc0_hwrena, void, env, tl)
+DEF_HELPER_2(mtc0_pwctl, void, env, tl)
DEF_HELPER_2(mtc0_count, void, env, tl)
DEF_HELPER_2(mtc0_entryhi, void, env, tl)
DEF_HELPER_2(mttc0_entryhi, void, env, tl)
@@ -212,8 +212,8 @@ const VMStateDescription vmstate_tlb = {
const VMStateDescription vmstate_mips_cpu = {
.name = "cpu",
- .version_id = 14,
- .minimum_version_id = 14,
+ .version_id = 15,
+ .minimum_version_id = 15,
.post_load = cpu_post_load,
.fields = (VMStateField[]) {
/* Active TC */
@@ -260,6 +260,7 @@ const VMStateDescription vmstate_mips_cpu = {
VMSTATE_UINTTL(env.CP0_PWField, MIPSCPU),
VMSTATE_UINTTL(env.CP0_PWSize, MIPSCPU),
VMSTATE_INT32(env.CP0_Wired, MIPSCPU),
+ VMSTATE_INT32(env.CP0_PWCtl, MIPSCPU),
VMSTATE_INT32(env.CP0_SRSConf0, MIPSCPU),
VMSTATE_INT32(env.CP0_SRSConf1, MIPSCPU),
VMSTATE_INT32(env.CP0_SRSConf2, MIPSCPU),
@@ -1527,6 +1527,16 @@ void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
}
}
+void helper_mtc0_pwctl(CPUMIPSState *env, target_ulong arg1)
+{
+#if defined(TARGET_MIPS64)
+ /* PWEn = 0. Hardware page table walking is not implemented. */
+ env->CP0_PWCtl = (env->CP0_PWCtl & 0x000000C0) | (arg1 & 0x5C00003F);
+#else
+ env->CP0_PWCtl = (arg1 & 0x800000FF);
+#endif
+}
+
void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
@@ -6150,6 +6150,11 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
rn = "SRSConf4";
break;
+ case 6:
+ check_pw(ctx);
+ gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
+ rn = "PWCtl";
+ break;
default:
goto cp0_unimplemented;
}
@@ -6866,6 +6871,11 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_srsconf4(cpu_env, arg);
rn = "SRSConf4";
break;
+ case 6:
+ check_pw(ctx);
+ gen_helper_mtc0_pwctl(cpu_env, arg);
+ rn = "PWCtl";
+ break;
default:
goto cp0_unimplemented;
}
@@ -7591,6 +7601,11 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
rn = "SRSConf4";
break;
+ case 6:
+ check_pw(ctx);
+ gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
+ rn = "PWCtl";
+ break;
default:
goto cp0_unimplemented;
}
@@ -8289,6 +8304,11 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
gen_helper_mtc0_srsconf4(cpu_env, arg);
rn = "SRSConf4";
break;
+ case 6:
+ check_pw(ctx);
+ gen_helper_mtc0_pwctl(cpu_env, arg);
+ rn = "PWCtl";
+ break;
default:
goto cp0_unimplemented;
}