[Xen-devel] [PATCH 07/15] xen: arm: stub out wallclock time.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

We don't currently have much concept of wallclock time on ARM (for
either the hypervisor, dom0 or guests). For now just stub everything
out. Specifically domain_set_time_offset, update_vcpu_system_time and
wallclock_time.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/dummy.S |    5 -----
 xen/arch/arm/time.c  |   18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/xen/arch/arm/dummy.S b/xen/arch/arm/dummy.S
index 2110bf1..87159da 100644
--- a/xen/arch/arm/dummy.S
+++ b/xen/arch/arm/dummy.S
@@ -6,9 +6,6 @@ x:      .word 0xe7f000f0 /* Undefined instruction */
        .globl x; \
 x:     mov pc, lr
        
-/* VCPU */
-NOP(update_vcpu_system_time);
-
 /* Grant Tables */
 DUMMY(steal_page);
 
@@ -18,8 +15,6 @@ DUMMY(page_is_ram_type);
 /* Other */
 DUMMY(domain_get_maximum_gpfn);
 DUMMY(domain_relinquish_resources);
-DUMMY(domain_set_time_offset);
 DUMMY(dom_cow);
 DUMMY(send_timer_event);
 DUMMY(share_xen_page_with_privileged_guests);
-DUMMY(wallclock_time);
diff --git a/xen/arch/arm/time.c b/xen/arch/arm/time.c
index b6d7015..ac606f7 100644
--- a/xen/arch/arm/time.c
+++ b/xen/arch/arm/time.c
@@ -25,6 +25,7 @@
 #include <xen/mm.h>
 #include <xen/softirq.h>
 #include <xen/time.h>
+#include <xen/sched.h>
 #include <asm/system.h>
 
 /*
@@ -185,6 +186,23 @@ void udelay(unsigned long usecs)
     isb();
 }
 
+/* VCPU PV clock. */
+void update_vcpu_system_time(struct vcpu *v)
+{
+    /* XXX update shared_info->wc_* */
+}
+
+void domain_set_time_offset(struct domain *d, int32_t time_offset_seconds)
+{
+    d->time_offset_seconds = time_offset_seconds;
+    /* XXX update guest visible wallclock time */
+}
+
+struct tm wallclock_time(void)
+{
+    return (struct tm) { 0 };
+}
+
 /*
  * Local variables:
  * mode: C
-- 
1.7.9.1


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