Add T1 and T2 CPUs, add a Sun4v machine

[qemu] / target-sparc / helper.c

diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index be439dd..85b9d5c 100644 (file)
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -758,9 +758,23 @@ void do_interrupt(CPUState *env)
     env->tsptr->tpc = env->pc;
     env->tsptr->tnpc = env->npc;
     env->tsptr->tt = intno;
-    if (!(env->features & CPU_FEATURE_GL))
-        change_pstate(PS_PEF | PS_PRIV | PS_AG);
-
+    if (!(env->features & CPU_FEATURE_GL)) {
+        switch (intno) {
+        case TT_IVEC:
+            change_pstate(PS_PEF | PS_PRIV | PS_IG);
+            break;
+        case TT_TFAULT:
+        case TT_TMISS:
+        case TT_DFAULT:
+        case TT_DMISS:
+        case TT_DPROT:
+            change_pstate(PS_PEF | PS_PRIV | PS_MG);
+            break;
+        default:
+            change_pstate(PS_PEF | PS_PRIV | PS_AG);
+            break;
+        }
+    }
     if (intno == TT_CLRWIN)
         cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
     else if ((intno & 0x1c0) == TT_SPILL)
@@ -903,7 +917,7 @@ void cpu_reset(CPUSPARCState *env)
 #ifdef TARGET_SPARC64
     env->pstate = PS_PRIV;
     env->hpstate = HS_PRIV;
-    env->pc = 0x1fff0000000ULL;
+    env->pc = 0x1fff0000020ULL; // XXX should be different for system_reset
     env->tsptr = &env->ts[env->tl];
 #else
     env->pc = 0;
@@ -1102,6 +1116,28 @@ static const sparc_def_t sparc_defs[] = {
         .features = CPU_DEFAULT_FEATURES,
     },
     {
+        .name = "Sun UltraSparc T1",
+        // defined in sparc_ifu_fdp.v and ctu.h
+        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)
+                       | (MAXTL << 8)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
+        .name = "Sun UltraSparc T2",
+        // defined in tlu_asi_ctl.v and n2_revid_cust.v
+        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)
+                       | (MAXTL << 8)),
+        .fpu_version = 0x00000000,
+        .mmu_version = mmu_sun4v,
+        .nwindows = 8,
+        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
+        | CPU_FEATURE_GL,
+    },
+    {
         .name = "NEC UltraSparc I",
         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
                        | (MAXTL << 8)),
@@ -1570,11 +1606,14 @@ void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
                        sparc_defs[i].features, "+");
         (*cpu_fprintf)(f, "\n");
     }
-    (*cpu_fprintf)(f, "CPU feature flags (+/-): ");
-    print_features(f, cpu_fprintf, -1, NULL);
+    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
+    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
+    (*cpu_fprintf)(f, "\n");
+    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
+    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
     (*cpu_fprintf)(f, "\n");
-    (*cpu_fprintf)(f, "Numerical features (=): iu_version fpu_version "
-                   "mmu_version nwindows\n");
+    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
+                   "fpu_version mmu_version nwindows\n");
 }
 
 #define GET_FLAG(a,b) ((env->psr & a)?b:'-')