diff options
Diffstat (limited to 'target/sparc/int64_helper.c')
-rw-r--r-- | target/sparc/int64_helper.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/target/sparc/int64_helper.c b/target/sparc/int64_helper.c index 29360fa..605747c 100644 --- a/target/sparc/int64_helper.c +++ b/target/sparc/int64_helper.c @@ -78,8 +78,10 @@ void sparc_cpu_do_interrupt(CPUState *cs) static int count; const char *name; - if (intno < 0 || intno >= 0x180) { + if (intno < 0 || intno >= 0x1ff) { name = "Unknown"; + } else if (intno >= 0x180) { + name = "Hyperprivileged Trap Instruction"; } else if (intno >= 0x100) { name = "Trap Instruction"; } else if (intno >= 0xc0) { @@ -135,16 +137,42 @@ void sparc_cpu_do_interrupt(CPUState *cs) tsptr->tnpc = env->npc; tsptr->tt = intno; + if (cpu_has_hypervisor(env)) { + env->htstate[env->tl] = env->hpstate; + /* XXX OpenSPARC T1 - UltraSPARC T3 have MAXPTL=2 + but this may change in the future */ + if (env->tl > 2) { + env->hpstate |= HS_PRIV; + } + } + + if (env->def->features & CPU_FEATURE_GL) { + tsptr->tstate |= (env->gl & 7ULL) << 40; + cpu_gl_switch_gregs(env, env->gl + 1); + env->gl++; + } + switch (intno) { case TT_IVEC: - cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG); + if (!cpu_has_hypervisor(env)) { + cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG); + } break; case TT_TFAULT: case TT_DFAULT: case TT_TMISS ... TT_TMISS + 3: case TT_DMISS ... TT_DMISS + 3: case TT_DPROT ... TT_DPROT + 3: - cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG); + if (cpu_has_hypervisor(env)) { + env->hpstate |= HS_PRIV; + env->pstate = PS_PEF | PS_PRIV; + } else { + cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG); + } + break; + case TT_INSN_REAL_TRANSLATION_MISS ... TT_DATA_REAL_TRANSLATION_MISS: + case TT_HTRAP ... TT_HTRAP + 127: + env->hpstate |= HS_PRIV; break; default: cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG); @@ -158,8 +186,13 @@ void sparc_cpu_do_interrupt(CPUState *cs) } else if ((intno & 0x1c0) == TT_FILL) { cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1)); } - env->pc = env->tbr & ~0x7fffULL; - env->pc |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); + + if (cpu_hypervisor_mode(env)) { + env->pc = (env->htba & ~0x3fffULL) | (intno << 5); + } else { + env->pc = env->tbr & ~0x7fffULL; + env->pc |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); + } env->npc = env->pc + 4; cs->exception_index = -1; } |