diff options
Diffstat (limited to 'target/sparc')
| -rw-r--r-- | target/sparc/cpu.h | 1 | ||||
| -rw-r--r-- | target/sparc/int64_helper.c | 37 | ||||
| -rw-r--r-- | target/sparc/win_helper.c | 6 |
3 files changed, 39 insertions, 5 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 00fbb4ee1a..f173dd6f04 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -79,6 +79,7 @@ #define TT_FILL 0xc0 #define TT_WOTHER (1 << 5) #define TT_TRAP 0x100 +#define TT_HTRAP 0x180 #endif #define PSR_NEG_SHIFT 23 diff --git a/target/sparc/int64_helper.c b/target/sparc/int64_helper.c index 29360fa5fe..8300eb4312 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 +137,36 @@ 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; + } + } + 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 +180,13 @@ 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; } diff --git a/target/sparc/win_helper.c b/target/sparc/win_helper.c index 2d5b5469a9..45ee4e643e 100644 --- a/target/sparc/win_helper.c +++ b/target/sparc/win_helper.c @@ -366,6 +366,9 @@ void helper_done(CPUSPARCState *env) env->asi = (tsptr->tstate >> 24) & 0xff; cpu_change_pstate(env, (tsptr->tstate >> 8) & 0xf3f); cpu_put_cwp64(env, tsptr->tstate & 0xff); + if (cpu_has_hypervisor(env)) { + env->hpstate = env->htstate[env->tl]; + } env->tl--; trace_win_helper_done(env->tl); @@ -387,6 +390,9 @@ void helper_retry(CPUSPARCState *env) env->asi = (tsptr->tstate >> 24) & 0xff; cpu_change_pstate(env, (tsptr->tstate >> 8) & 0xf3f); cpu_put_cwp64(env, tsptr->tstate & 0xff); + if (cpu_has_hypervisor(env)) { + env->hpstate = env->htstate[env->tl]; + } env->tl--; trace_win_helper_retry(env->tl); |