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target/arm: Enable FEAT_RPRES for -cpu max

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Now the emulation is complete, we can enable FEAT_RPRES for the 'max'
CPU type.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2025-02-01 16:39:59 +00:00
parent 22330d2b0f
commit b0bf37746b
2 changed files with 2 additions and 0 deletions
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1
docs/system/arm/emulation.rst
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@ -118,6 +118,7 @@ the following architecture extensions:
- FEAT_RDM (Advanced SIMD rounding double multiply accumulate instructions)
- FEAT_RME (Realm Management Extension) (NB: support status in QEMU is experimental)
- FEAT_RNG (Random number generator)
- FEAT_RPRES (Increased precision of FRECPE and FRSQRTE)
- FEAT_S2FWB (Stage 2 forced Write-Back)
- FEAT_SB (Speculation Barrier)
- FEAT_SEL2 (Secure EL2)

1
target/arm/tcg/cpu64.c
View file

@ -1167,6 +1167,7 @@ void aarch64_max_tcg_initfn(Object *obj)
cpu->isar.id_aa64isar1 = t;
t = cpu->isar.id_aa64isar2;
t = FIELD_DP64(t, ID_AA64ISAR2, RPRES, 1); /* FEAT_RPRES */
t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */
t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */
t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */