aboutsummaryrefslogtreecommitdiff
path: root/target/arm/helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/arm/helper.c')
-rw-r--r--target/arm/helper.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 74fbb6e..b29edb2 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1283,7 +1283,7 @@ static bool pmevcntr_is_64_bit(CPUARMState *env, int counter)
bool hlp = env->cp15.mdcr_el2 & MDCR_HLP;
int hpmn = env->cp15.mdcr_el2 & MDCR_HPMN;
- if (hpmn != 0 && counter >= hpmn) {
+ if (counter >= hpmn) {
return hlp;
}
}
@@ -2475,22 +2475,7 @@ static CPAccessResult gt_counter_access(CPUARMState *env, int timeridx,
if (!extract32(env->cp15.c14_cntkctl, timeridx, 1)) {
return CP_ACCESS_TRAP;
}
-
- /* If HCR_EL2.<E2H,TGE> == '10': check CNTHCTL_EL2.EL1PCTEN. */
- if (hcr & HCR_E2H) {
- if (timeridx == GTIMER_PHYS &&
- !extract32(env->cp15.cnthctl_el2, 10, 1)) {
- return CP_ACCESS_TRAP_EL2;
- }
- } else {
- /* If HCR_EL2.<E2H> == 0: check CNTHCTL_EL2.EL1PCEN. */
- if (has_el2 && timeridx == GTIMER_PHYS &&
- !extract32(env->cp15.cnthctl_el2, 1, 1)) {
- return CP_ACCESS_TRAP_EL2;
- }
- }
- break;
-
+ /* fall through */
case 1:
/* Check CNTHCTL_EL2.EL1PCTEN, which changes location based on E2H. */
if (has_el2 && timeridx == GTIMER_PHYS &&