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target/ppc: 405: Machine check exception cleanup 

powerpc_excp_40x applies only to the 405, so remove HV code and
references to BookE.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20220118184448.852996-7-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Fabiano Rosas 2022-01-28 13:15:04 +01:00 committed by Cédric Le Goater
parent ba96828ec2
commit 2149e65180
1 changed files with 2 additions and 24 deletions
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26
target/ppc/excp_helper.c
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@ -457,34 +457,12 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
cs->halted = 1;
cpu_interrupt_exittb(cs);
}
if (env->msr_mask & MSR_HVB) {
/*
* ISA specifies HV, but can be delivered to guest with HV
* clear (e.g., see FWNMI in PAPR).
*/
new_msr |= (target_ulong)MSR_HVB;
}
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
/* XXX: should also have something loaded in DAR / DSISR */
switch (excp_model) {
case POWERPC_EXCP_40x:
srr0 = SPR_40x_SRR2;
srr1 = SPR_40x_SRR3;
break;
case POWERPC_EXCP_BOOKE:
/* FIXME: choose one or the other based on CPU type */
srr0 = SPR_BOOKE_MCSRR0;
srr1 = SPR_BOOKE_MCSRR1;
env->spr[SPR_BOOKE_CSRR0] = env->nip;
env->spr[SPR_BOOKE_CSRR1] = msr;
break;
default:
break;
}
srr0 = SPR_40x_SRR2;
srr1 = SPR_40x_SRR3;
break;
case POWERPC_EXCP_DSI: /* Data storage exception */
trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);