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target/arm: Use FIELD macros for clearing ID_DFR0 PERFMON field

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We already define FIELD macros for ID_DFR0, so use them in the
one place where we're doing direct bit value manipulation.

Backports commit d52c061e541982a3663ad5c65bd3b518dbe85b87 from qemu
This commit is contained in:
Peter Maydell 2020-03-21 18:17:53 -04:00 committed by Lioncash
parent fd6c635e03
commit fd537585d7
1 changed files with 1 additions and 1 deletions
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2
qemu/target/arm/cpu.c
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@ -943,7 +943,7 @@ static int arm_cpu_realizefn(struct uc_struct *uc, DeviceState *dev, Error **err
arm_register_el_change_hook(cpu, &pmu_post_el_change, 0);
} else {
cpu->id_aa64dfr0 = FIELD_DP64(cpu->id_aa64dfr0, ID_AA64DFR0, PMUVER, 0);
cpu->id_dfr0 &= ~(0xf << 24);
cpu->id_dfr0 = FIELD_DP32(cpu->id_dfr0, ID_DFR0, PERFMON, 0);
cpu->pmceid0 = 0;
cpu->pmceid1 = 0;
}