Make UA200x features selectable, add MMU types

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4911 c046a42c-6fe2-441c-8c8c-71466251a162

Make UA200x features selectable, add MMU types
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4911 c046a42c-6fe2-441c-8c8c-71466251a162
blueswir1
1 parent cb3df91a
Showing 4 changed files with 48 additions and 23 deletions
target-sparc/cpu.h
target-sparc/helper.c
target-sparc/op_helper.c
target-sparc/translate.c
@@ -238,6 +238,7 @@ typedef struct CPUSPARCState {
     uint64_t itlb_tte[64];
     uint64_t dtlb_tag[64];
     uint64_t dtlb_tte[64];
+    uint32_t mmu_version;
 #else
     uint32_t mmuregs[32];
     uint64_t mxccdata[4];
@@ -285,6 +286,9 @@ typedef struct CPUSPARCState {
 #define CPU_FEATURE_VIS1     (1 << 8)
 #define CPU_FEATURE_VIS2     (1 << 9)
 #define CPU_FEATURE_FSMULD   (1 << 10)
+#define CPU_FEATURE_HYPV     (1 << 11)
+#define CPU_FEATURE_CMT      (1 << 12)
+#define CPU_FEATURE_GL       (1 << 13)
 #ifndef TARGET_SPARC64
 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP |  \
                               CPU_FEATURE_MUL | CPU_FEATURE_DIV |     \
@@ -296,6 +300,12 @@ typedef struct CPUSPARCState {
                               CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
                               CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 |   \
                               CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD)
+enum {
+    mmu_us_12, // Ultrasparc < III (64 entry TLB)
+    mmu_us_3,  // Ultrasparc III (512 entry TLB)
+    mmu_us_4,  // Ultrasparc IV (several TLBs, 32 and 256MB pages)
+    mmu_sun4v, // T1, T2
+};
 #endif
 #if defined(TARGET_SPARC64)
@@ -758,7 +758,8 @@ void do_interrupt(CPUState *env)
     env->tsptr->tpc = env->pc;
     env->tsptr->tnpc = env->npc;
     env->tsptr->tt = intno;
-    change_pstate(PS_PEF | PS_PRIV | PS_AG);
+    if (!(env->features & CPU_FEATURE_GL))
+        change_pstate(PS_PEF | PS_PRIV | PS_AG);
     if (intno == TT_CLRWIN)
         cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
@@ -934,6 +935,7 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
     env->mmuregs[0] |= def->mmu_version;
     cpu_sparc_set_id(env, 0);
 #else
+    env->mmu_version = def->mmu_version;
     env->version |= def->nwindows - 1;
 #endif
     return 0;
@@ -978,7 +980,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 4,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -987,7 +989,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 5,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -996,7 +998,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1005,7 +1007,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1014,7 +1016,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1023,7 +1025,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1032,7 +1034,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1041,7 +1043,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1050,7 +1052,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1059,7 +1061,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_3,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1068,7 +1070,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1077,7 +1079,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_4,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1086,16 +1088,16 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
-        .features = CPU_DEFAULT_FEATURES,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
     },
     {
         .name = "Sun UltraSparc IIIi+",
         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_3,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1104,7 +1106,7 @@ static const sparc_def_t sparc_defs[] = {
         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
                        | (MAXTL << 8)),
         .fpu_version = 0x00000000,
-        .mmu_version = 0,
+        .mmu_version = mmu_us_12,
         .nwindows = 8,
         .features = CPU_DEFAULT_FEATURES,
     },
@@ -1417,6 +1419,9 @@ static const char * const feature_name[] = {
     "vis1",
     "vis2",
     "fsmuld",
+    "hypv",
+    "cmt",
+    "gl",
 };
 static void print_features(FILE *f,
@@ -1549,7 +1549,8 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
 #endif
     if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
-        || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
+        || ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80
+            && !(env->hpstate & HS_PRIV)))
         raise_exception(TT_PRIV_ACT);
     helper_check_align(addr, size - 1);
@@ -1561,7 +1562,7 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
     case 0x88: // Primary LE
     case 0x8a: // Primary no-fault LE
         if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
-            if (env->hpstate & HS_PRIV) {
+            if ((env->features & CPU_FEATURE_HYPV) && env->hpstate & HS_PRIV) {
                 switch(size) {
                 case 1:
                     ret = ldub_hypv(addr);
@@ -1837,7 +1838,8 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
     dump_asi("write", addr, asi, size, val);
 #endif
     if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
-        || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
+        || ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80
+            && !(env->hpstate & HS_PRIV)))
         raise_exception(TT_PRIV_ACT);
     helper_check_align(addr, size - 1);
@@ -1873,7 +1875,7 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
     case 0x80: // Primary
     case 0x88: // Primary LE
         if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
-            if (env->hpstate & HS_PRIV) {
+            if ((env->features & CPU_FEATURE_HYPV) && env->hpstate & HS_PRIV) {
                 switch(size) {
                 case 1:
                     stb_hypv(addr, val);
@@ -2153,7 +2155,8 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
 void helper_ldda_asi(target_ulong addr, int asi, int rd)
 {
     if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
-        || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
+        || ((env->features & CPU_FEATURE_HYPV) && asi >= 0x30 && asi < 0x80
+            && !(env->hpstate & HS_PRIV)))
         raise_exception(TT_PRIV_ACT);
     switch (asi) {
@@ -2726,7 +2729,8 @@ void change_pstate(uint64_t new_pstate)
 void helper_wrpstate(target_ulong new_state)
 {
-    change_pstate(new_state & 0xf3f);
+    if (!(env->features & CPU_FEATURE_GL))
+        change_pstate(new_state & 0xf3f);
 }
 void helper_done(void)
@@ -2175,6 +2175,7 @@ static void disas_sparc_insn(DisasContext * dc)
                     goto priv_insn;
                 tcg_gen_helper_1_0(helper_rdpsr, cpu_dst);
 #else
+                CHECK_IU_FEATURE(dc, HYPV);
                 if (!hypervisor(dc))
                     goto priv_insn;
                 rs1 = GET_FIELD(insn, 13, 17);
@@ -2325,11 +2326,13 @@ static void disas_sparc_insn(DisasContext * dc)
                     tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
                     break;
                 case 16: // UA2005 gl
+                    CHECK_IU_FEATURE(dc, GL);
                     tcg_gen_ld_i32(cpu_tmp32, cpu_env,
                                    offsetof(CPUSPARCState, gl));
                     tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
                     break;
                 case 26: // UA2005 strand status
+                    CHECK_IU_FEATURE(dc, HYPV);
                     if (!hypervisor(dc))
                         goto priv_insn;
                     tcg_gen_ld_i32(cpu_tmp32, cpu_env,
@@ -3431,11 +3434,13 @@ static void disas_sparc_insn(DisasContext * dc)
                                                         wstate));
                                 break;
                             case 16: // UA2005 gl
+                                CHECK_IU_FEATURE(dc, GL);
                                 tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
                                 tcg_gen_st_i32(cpu_tmp32, cpu_env,
                                                offsetof(CPUSPARCState, gl));
                                 break;
                             case 26: // UA2005 strand status
+                                CHECK_IU_FEATURE(dc, HYPV);
                                 if (!hypervisor(dc))
                                     goto priv_insn;
                                 tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
@@ -3461,6 +3466,7 @@ static void disas_sparc_insn(DisasContext * dc)
                             tcg_gen_st_tl(cpu_tmp0, cpu_env,
                                           offsetof(CPUSPARCState, tbr));
 #else
+                            CHECK_IU_FEATURE(dc, HYPV);
                             if (!hypervisor(dc))
                                 goto priv_insn;
                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);