From bb18151d8bd9bedc497ee9d4e8d81b39a4e5bbf6 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Mon, 30 Jan 2023 18:24:59 +0000 Subject: [PATCH] target/arm: Enable FEAT_FGT on '-cpu max' Update the ID registers for TCG's '-cpu max' to report the presence of FEAT_FGT Fine-Grained Traps support. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Tested-by: Fuad Tabba Message-id: 20230130182459.3309057-24-peter.maydell@linaro.org Message-id: 20230127175507.2895013-24-peter.maydell@linaro.org --- docs/system/arm/emulation.rst | 1 + target/arm/cpu64.c | 1 + 2 files changed, 2 insertions(+) diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index b87e064d9d..2062d71261 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -30,6 +30,7 @@ the following architecture extensions: - FEAT_ETS (Enhanced Translation Synchronization) - FEAT_EVT (Enhanced Virtualization Traps) - FEAT_FCMA (Floating-point complex number instructions) +- FEAT_FGT (Fine-Grained Traps) - FEAT_FHM (Floating-point half-precision multiplication instructions) - FEAT_FP16 (Half-precision floating-point data processing) - FEAT_FRINTTS (Floating-point to integer instructions) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 0e021960fb..4066950da1 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -1224,6 +1224,7 @@ static void aarch64_max_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16_2, 2); /* 16k stage2 supported */ t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN64_2, 2); /* 64k stage2 supported */ t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4_2, 2); /* 4k stage2 supported */ + t = FIELD_DP64(t, ID_AA64MMFR0, FGT, 1); /* FEAT_FGT */ cpu->isar.id_aa64mmfr0 = t; t = cpu->isar.id_aa64mmfr1; -- 2.30.2