From: Richard Henderson <[email protected]>
We advertised linux-user support for FPMR without actually
enabling access to the register as the kernel must do.
Fixes: 2430d49a17c9 ("target/arm: Enable FEAT_FPMR for -cpu max")
Reported-by: Dillon Sharlet <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Reviewed-by: Peter Maydell <[email protected]>
Message-id: [email protected]
Signed-off-by: Peter Maydell <[email protected]>
---
target/arm/cpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 86aae36ae5..128c78f6cf 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -421,6 +421,10 @@ static void arm_cpu_reset_hold(Object *obj, ResetType type)
env->cp15.mdscr_el1 |= 1 << 12;
/* Enable FEAT_MOPS */
env->cp15.sctlr_el[1] |= SCTLR_MSCEN;
+ /* Enable FEAT_FPMR */
+ if (cpu_isar_feature(aa64_fpmr, cpu)) {
+ env->cp15.sctlr_el[1] |= SCTLR_EnFPM;
+ }
/* For Linux, GCSPR_EL0 is always readable. */
if (cpu_isar_feature(aa64_gcs, cpu)) {
env->cp15.gcscr_el[0] = GCSCRE0_NTR;
--
2.43.0
