diff options
| -rw-r--r-- | docs/system/arm/emulation.rst | 1 | ||||
| -rw-r--r-- | target/arm/tcg/cpu64.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 63b4cdf5fb..78c2fd2113 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -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) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 0bc68aac17..29ab0ac79d 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -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 */ |