/* XXX: use another pointer for %iN registers to avoid slow wrapping handling ? */ void helper_save(CPUSPARCState *env) { uint32_t cwp; cwp = cpu_cwp_dec(env, env->cwp - 1); if (env->wim & (1 << cwp)) { helper_raise_exception(env, TT_WIN_OVF); } cpu_set_cwp(env, cwp); }
/* XXX: use another pointer for %iN registers to avoid slow wrapping handling ? */ void helper_save(CPUSPARCState *env) { uint32_t cwp; cwp = cpu_cwp_dec(env, env->cwp - 1); if (env->cansave == 0) { helper_raise_exception(env, TT_SPILL | (env->otherwin != 0 ? (TT_WOTHER | ((env->wstate & 0x38) >> 1)) : ((env->wstate & 0x7) << 2))); } else {
void sparc_cpu_do_interrupt(CPUState *cs) { SPARCCPU *cpu = SPARC_CPU(cs); CPUSPARCState *env = &cpu->env; int intno = cs->exception_index; trap_state *tsptr; /* Compute PSR before exposing state. */ if (env->cc_op != CC_OP_FLAGS) { cpu_get_psr(env); } #ifdef DEBUG_PCALL if (qemu_loglevel_mask(CPU_LOG_INT)) { static int count; const char *name; if (intno < 0 || intno >= 0x180) { name = "Unknown"; } else if (intno >= 0x100) { name = "Trap Instruction"; } else if (intno >= 0xc0) { name = "Window Fill"; } else if (intno >= 0x80) { name = "Window Spill"; } else { name = excp_names[intno]; if (!name) { name = "Unknown"; } } qemu_log("%6d: %s (v=%04x)\n", count, name, intno); log_cpu_state(cs, 0); #if 0 { int i; uint8_t *ptr; qemu_log(" code="); ptr = (uint8_t *)env->pc; for (i = 0; i < 16; i++) { qemu_log(" %02x", ldub(ptr + i)); } qemu_log("\n"); } #endif count++; } #endif #if !defined(CONFIG_USER_ONLY) if (env->tl >= env->maxtl) { cpu_abort(cs, "Trap 0x%04x while trap level (%d) >= MAXTL (%d)," " Error state", cs->exception_index, env->tl, env->maxtl); return; } #endif if (env->tl < env->maxtl - 1) { env->tl++; } else { env->pstate |= PS_RED; if (env->tl < env->maxtl) { env->tl++; } } tsptr = cpu_tsptr(env); tsptr->tstate = (cpu_get_ccr(env) << 32) | ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | cpu_get_cwp64(env); tsptr->tpc = env->pc; tsptr->tnpc = env->npc; tsptr->tt = intno; switch (intno) { case TT_IVEC: 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); break; default: cpu_change_pstate(env, 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) { cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2)); } else if ((intno & 0x1c0) == TT_FILL) { cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1)); } env->tbr &= ~0x7fffULL; env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); env->pc = env->tbr; env->npc = env->pc + 4; cs->exception_index = -1; }
void do_interrupt(CPUState *env) { int cwp, intno = env->exception_index; #ifdef DEBUG_PCALL if (qemu_loglevel_mask(CPU_LOG_INT)) { static int count; const char *name; if (intno < 0 || intno >= 0x100) { name = "Unknown"; } else if (intno >= 0x80) { name = "Trap Instruction"; } else { name = excp_names[intno]; if (!name) { name = "Unknown"; } } qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n", count, name, intno, env->pc, env->npc, env->regwptr[6]); log_cpu_state(env, 0); #if 0 { int i; uint8_t *ptr; qemu_log(" code="); ptr = (uint8_t *)env->pc; for (i = 0; i < 16; i++) { qemu_log(" %02x", ldub(ptr + i)); } qemu_log("\n"); } #endif count++; } #endif #if !defined(CONFIG_USER_ONLY) if (env->psret == 0) { cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", env->exception_index); return; } #endif env->psret = 0; cwp = cpu_cwp_dec(env, env->cwp - 1); cpu_set_cwp(env, cwp); env->regwptr[9] = env->pc; env->regwptr[10] = env->npc; env->psrps = env->psrs; env->psrs = 1; env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4); env->pc = env->tbr; env->npc = env->pc + 4; env->exception_index = -1; #if !defined(CONFIG_USER_ONLY) /* IRQ acknowledgment */ if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) { env->qemu_irq_ack(env->irq_manager, intno); } #endif }
void sparc_cpu_do_interrupt(CPUState *cs) { SPARCCPU *cpu = SPARC_CPU(cs); CPUSPARCState *env = &cpu->env; int cwp, intno = cs->exception_index; /* Compute PSR before exposing state. */ if (env->cc_op != CC_OP_FLAGS) { cpu_get_psr(env); } #ifdef DEBUG_PCALL if (qemu_loglevel_mask(CPU_LOG_INT)) { static int count; const char *name; if (intno < 0 || intno >= 0x100) { name = "Unknown"; } else if (intno >= 0x80) { name = "Trap Instruction"; } else { name = excp_names[intno]; if (!name) { name = "Unknown"; } } qemu_log("%6d: %s (v=%02x)\n", count, name, intno); log_cpu_state(cs, 0); #if 0 { int i; uint8_t *ptr; qemu_log(" code="); ptr = (uint8_t *)env->pc; for (i = 0; i < 16; i++) { qemu_log(" %02x", ldub(ptr + i)); } qemu_log("\n"); } #endif count++; } #endif #if !defined(CONFIG_USER_ONLY) if (env->psret == 0) { if (cs->exception_index == 0x80 && env->def->features & CPU_FEATURE_TA0_SHUTDOWN) { qemu_system_shutdown_request(); } else { cpu_abort(cs, "Trap 0x%02x while interrupts disabled, Error state", cs->exception_index); } return; } #endif env->psret = 0; cwp = cpu_cwp_dec(env, env->cwp - 1); cpu_set_cwp(env, cwp); env->regwptr[9] = env->pc; env->regwptr[10] = env->npc; env->psrps = env->psrs; env->psrs = 1; env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4); env->pc = env->tbr; env->npc = env->pc + 4; cs->exception_index = -1; #if !defined(CONFIG_USER_ONLY) /* IRQ acknowledgment */ if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) { env->qemu_irq_ack(env, env->irq_manager, intno); } #endif }