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target/arm: Make '-cpu max' have a 48-bit PA

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QEMU supports a 48-bit physical address range, but we don't currently
expose it in the '-cpu max' ID registers (you get the same range as
Cortex-A57, which is 44 bits).

Set the ID_AA64MMFR0.PARange field to indicate 48 bits.

Backports d1b6b7017572e8d82f26eb827a1dba0e8cf3cae6
This commit is contained in:
Peter Maydell 2021-03-01 19:50:16 -05:00 committed by Lioncash
parent c648361597
commit 6cd06169ee
1 changed files with 4 additions and 0 deletions
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4
qemu/target/arm/cpu64.c
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@ -306,6 +306,10 @@ static void aarch64_max_initfn(struct uc_struct *uc, Object *obj, void *opaque)
t = FIELD_DP64(t, ID_AA64PFR1, MTE, 2);
cpu->isar.id_aa64pfr1 = t;
t = cpu->isar.id_aa64mmfr0;
t = FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 5); /* PARange: 48 bits */
cpu->isar.id_aa64mmfr0 = t;
t = cpu->isar.id_aa64mmfr1;
t = FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */
t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);