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target/ppc: 7xx: System Reset cleanup

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Thre is no HV support in the 7xx.

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220204173430.1457358-9-farosas@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Fabiano Rosas 2022-02-09 09:08:56 +01:00 committed by Cédric Le Goater
parent 3b57863593
commit 3c3fa438f6
1 changed files with 2 additions and 16 deletions
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14
target/ppc/excp_helper.c
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@ -894,24 +894,10 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_DECR: /* Decrementer exception */ case POWERPC_EXCP_DECR: /* Decrementer exception */
break; break;
case POWERPC_EXCP_RESET: /* System reset exception */ case POWERPC_EXCP_RESET: /* System reset exception */
/* A power-saving exception sets ME, otherwise it is unchanged */
if (msr_pow) {
/* indicate that we resumed from power save mode */
msr |= 0x10000;
new_msr |= ((target_ulong)1 << MSR_ME);
}
if (env->msr_mask & MSR_HVB) {
/*
* ISA specifies HV, but can be delivered to guest with HV
* clear (e.g., see FWNMI in PAPR, NMI injection in QEMU).
*/
new_msr |= (target_ulong)MSR_HVB;
} else {
if (msr_pow) { if (msr_pow) {
cpu_abort(cs, "Trying to deliver power-saving system reset " cpu_abort(cs, "Trying to deliver power-saving system reset "
"exception %d with no HV support\n", excp); "exception %d with no HV support\n", excp);
} }
}
break; break;
case POWERPC_EXCP_TRACE: /* Trace exception */ case POWERPC_EXCP_TRACE: /* Trace exception */
break; break;