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target-sparc: implement UA2005 hypervisor traps

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Backports commit 6e040755f12eba34d2fa3d56b18de32d63fea631 from qemu
This commit is contained in:
Artyom Tarasenko 2018-03-01 20:58:08 -05:00 committed by Lioncash
parent 8710ef1128
commit 05e80b59af
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 157 additions and 4 deletions
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1
qemu/target-sparc/cpu.h
View file

@ -80,6 +80,7 @@
#define TT_FILL 0xc0
#define TT_WOTHER (1 << 5)
#define TT_TRAP 0x100
#define TT_HTRAP 0x180
#endif
#define PSR_NEG_SHIFT 23

160
qemu/target-sparc/int64_helper.c
View file

@ -57,17 +57,164 @@ 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: case TT_TMISS+1: case TT_TMISS+2: case TT_TMISS+3:
case TT_DMISS: case TT_DMISS+1: case TT_DMISS+2: case TT_DMISS+3:
case TT_DPROT: case TT_DPROT+1: case TT_DPROT+2: case 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:
case TT_DATA_REAL_TRANSLATION_MISS:
case TT_HTRAP:
case TT_HTRAP+1:
case TT_HTRAP+2:
case TT_HTRAP+3:
case TT_HTRAP+4:
case TT_HTRAP+5:
case TT_HTRAP+6:
case TT_HTRAP+7:
case TT_HTRAP+8:
case TT_HTRAP+9:
case TT_HTRAP+10:
case TT_HTRAP+11:
case TT_HTRAP+12:
case TT_HTRAP+13:
case TT_HTRAP+14:
case TT_HTRAP+15:
case TT_HTRAP+16:
case TT_HTRAP+17:
case TT_HTRAP+18:
case TT_HTRAP+19:
case TT_HTRAP+20:
case TT_HTRAP+21:
case TT_HTRAP+22:
case TT_HTRAP+23:
case TT_HTRAP+24:
case TT_HTRAP+25:
case TT_HTRAP+26:
case TT_HTRAP+27:
case TT_HTRAP+28:
case TT_HTRAP+29:
case TT_HTRAP+30:
case TT_HTRAP+31:
case TT_HTRAP+32:
case TT_HTRAP+33:
case TT_HTRAP+34:
case TT_HTRAP+35:
case TT_HTRAP+36:
case TT_HTRAP+37:
case TT_HTRAP+38:
case TT_HTRAP+39:
case TT_HTRAP+40:
case TT_HTRAP+41:
case TT_HTRAP+42:
case TT_HTRAP+43:
case TT_HTRAP+44:
case TT_HTRAP+45:
case TT_HTRAP+46:
case TT_HTRAP+47:
case TT_HTRAP+48:
case TT_HTRAP+49:
case TT_HTRAP+50:
case TT_HTRAP+51:
case TT_HTRAP+52:
case TT_HTRAP+53:
case TT_HTRAP+54:
case TT_HTRAP+55:
case TT_HTRAP+56:
case TT_HTRAP+57:
case TT_HTRAP+58:
case TT_HTRAP+59:
case TT_HTRAP+60:
case TT_HTRAP+61:
case TT_HTRAP+62:
case TT_HTRAP+63:
case TT_HTRAP+64:
case TT_HTRAP+65:
case TT_HTRAP+66:
case TT_HTRAP+67:
case TT_HTRAP+68:
case TT_HTRAP+69:
case TT_HTRAP+70:
case TT_HTRAP+71:
case TT_HTRAP+72:
case TT_HTRAP+73:
case TT_HTRAP+74:
case TT_HTRAP+75:
case TT_HTRAP+76:
case TT_HTRAP+77:
case TT_HTRAP+78:
case TT_HTRAP+79:
case TT_HTRAP+80:
case TT_HTRAP+81:
case TT_HTRAP+82:
case TT_HTRAP+83:
case TT_HTRAP+84:
case TT_HTRAP+85:
case TT_HTRAP+86:
case TT_HTRAP+87:
case TT_HTRAP+88:
case TT_HTRAP+89:
case TT_HTRAP+90:
case TT_HTRAP+91:
case TT_HTRAP+92:
case TT_HTRAP+93:
case TT_HTRAP+94:
case TT_HTRAP+95:
case TT_HTRAP+96:
case TT_HTRAP+97:
case TT_HTRAP+98:
case TT_HTRAP+99:
case TT_HTRAP+100:
case TT_HTRAP+101:
case TT_HTRAP+102:
case TT_HTRAP+103:
case TT_HTRAP+104:
case TT_HTRAP+105:
case TT_HTRAP+106:
case TT_HTRAP+107:
case TT_HTRAP+108:
case TT_HTRAP+109:
case TT_HTRAP+110:
case TT_HTRAP+111:
case TT_HTRAP+112:
case TT_HTRAP+113:
case TT_HTRAP+114:
case TT_HTRAP+115:
case TT_HTRAP+116:
case TT_HTRAP+117:
case TT_HTRAP+118:
case TT_HTRAP+119:
case TT_HTRAP+120:
case TT_HTRAP+121:
case TT_HTRAP+122:
case TT_HTRAP+123:
case TT_HTRAP+124:
case TT_HTRAP+125:
case TT_HTRAP+126:
case TT_HTRAP+127:
env->hpstate |= HS_PRIV;
default:
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG);
break;
@ -80,8 +227,13 @@ 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;
}