summary refs log tree commit diff stats
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2021-09-01 09:02:39 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-09-01 11:08:18 +0100
commitd4cc1c21965b3df527cbfbae5a317a9c2ac441e5 (patch)
tree3550c4c1dee04061be90c856331273072c7e01e5
parent98e40fbd792e13e98abd7f3d17f18a24edea4984 (diff)
downloadfocaccia-qemu-d4cc1c21965b3df527cbfbae5a317a9c2ac441e5.tar.gz
focaccia-qemu-d4cc1c21965b3df527cbfbae5a317a9c2ac441e5.zip
target/arm: Enable MVE in Cortex-M55
We now have a complete MVE emulation, so we can enable it in our
Cortex-M55 model by setting the ID registers to match those of a
Cortex-M55 with full MVE support.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/arm/cpu_tcg.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index ed444bf436..33cc75af57 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -654,12 +654,9 @@ static void cortex_m55_initfn(Object *obj)
     cpu->revidr = 0;
     cpu->pmsav7_dregion = 16;
     cpu->sau_sregion = 8;
-    /*
-     * These are the MVFR* values for the FPU, no MVE configuration;
-     * we will update them later when we implement MVE
-     */
+    /* These are the MVFR* values for the FPU + full MVE configuration */
     cpu->isar.mvfr0 = 0x10110221;
-    cpu->isar.mvfr1 = 0x12100011;
+    cpu->isar.mvfr1 = 0x12100211;
     cpu->isar.mvfr2 = 0x00000040;
     cpu->isar.id_pfr0 = 0x20000030;
     cpu->isar.id_pfr1 = 0x00000230;