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[2/3] target/arm: ensure cntvoff_el2 also used for EL2 virt timer

Message ID 20241206160239.3229094-3-alex.bennee@linaro.org
State Superseded
Headers show
Series target/arm: implement SEL2 physical and virtual timers | expand

Commit Message

Alex Bennée Dec. 6, 2024, 4:02 p.m. UTC 
We were missing this case and will shortly be adding another.
Re-arrange the code and use a switch statement to group the virtual
timers.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: qemu-stable@nongnu.org
---
 target/arm/helper.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)
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Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index f38eb054c0..cd147b717a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -2732,16 +2732,27 @@  static void gt_recalc_timer(ARMCPU *cpu, int timeridx)
     ARMGenericTimer *gt = &cpu->env.cp15.c14_timer[timeridx];
 
     if (gt->ctl & 1) {
+        uint64_t count = gt_get_countervalue(&cpu->env);
+        uint64_t offset;
+        uint64_t nexttick;
+        int istatus;
+
         /*
          * Timer enabled: calculate and set current ISTATUS, irq, and
          * reset timer to when ISTATUS next has to change
          */
-        uint64_t offset = timeridx == GTIMER_VIRT ?
-            cpu->env.cp15.cntvoff_el2 : gt_phys_raw_cnt_offset(&cpu->env);
-        uint64_t count = gt_get_countervalue(&cpu->env);
+        switch (timeridx) {
+        case GTIMER_VIRT:
+        case GTIMER_HYPVIRT:
+            offset = cpu->env.cp15.cntvoff_el2;
+            break;
+        default:
+            offset =gt_phys_raw_cnt_offset(&cpu->env);
+            break;
+        }
+
         /* Note that this must be unsigned 64 bit arithmetic: */
-        int istatus = count - offset >= gt->cval;
-        uint64_t nexttick;
+        istatus = count - offset >= gt->cval;
 
         gt->ctl = deposit32(gt->ctl, 2, 1, istatus);