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spapr: set MSR[ME] and MSR[FP] on client entry

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The initial MSR state for the OpenFirmware binding specifies
MSR[ME] and MSR[FP] are set.

Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Nicholas Piggin 2023-06-14 00:16:23 +10:00
parent 678b6f1af7
commit 5e97fd48d7
1 changed files with 5 additions and 1 deletions
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6
hw/ppc/spapr_cpu_core.c
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@ -39,9 +39,13 @@ static void spapr_reset_vcpu(PowerPCCPU *cpu)
/*
* "PowerPC Processor binding to IEEE 1275" defines the initial MSR state
* as 32bit (MSR_SF=0) in "8.2.1. Initial Register Values".
* as 32bit (MSR_SF=0) with MSR_ME=1 and MSR_FP=1 in "8.2.1. Initial
* Register Values". This can also be found in "LoPAPR 1.1" "C.9.2.1
* Initial Register Values".
*/
env->msr &= ~(1ULL << MSR_SF);
env->msr |= (1ULL << MSR_ME) | (1ULL << MSR_FP);
env->spr[SPR_HIOR] = 0;
lpcr = env->spr[SPR_LPCR];