summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--bl31/context_mgmt.c3
-rw-r--r--include/lib/aarch64/arch_helpers.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/bl31/context_mgmt.c b/bl31/context_mgmt.c
index 4dd297ef..6f27176c 100644
--- a/bl31/context_mgmt.c
+++ b/bl31/context_mgmt.c
@@ -250,6 +250,9 @@ void cm_prepare_el3_exit(uint32_t security_state)
/* Enable EL1 access to timer */
write_cnthctl_el2(EL1PCEN_BIT | EL1PCTEN_BIT);
+ /* Reset CNTVOFF_EL2 */
+ write_cntvoff_el2(0);
+
/* Set VPIDR, VMPIDR to match MIDR, MPIDR */
write_vpidr_el2(read_midr_el1());
write_vmpidr_el2(read_mpidr_el1());
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h
index 09365fb9..d431baaf 100644
--- a/include/lib/aarch64/arch_helpers.h
+++ b/include/lib/aarch64/arch_helpers.h
@@ -262,6 +262,8 @@ DEFINE_SYSREG_RW_FUNCS(cnthctl_el2)
DEFINE_SYSREG_RW_FUNCS(tpidr_el3)
+DEFINE_SYSREG_RW_FUNCS(cntvoff_el2)
+
DEFINE_SYSREG_RW_FUNCS(vpidr_el2)
DEFINE_SYSREG_RW_FUNCS(vmpidr_el2)