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From: Ian Campbell <ian.campbell@citrix.com>
To: xen-devel@lists.xen.org
Cc: stefano.stabellini@citrix.com, tim@xen.org,
	Ian Campbell <ian.campbell@citrix.com>
Subject: [PATCH 3/4] arm/vtimer: convert result to ticks when reading CNTPCT register
Date: Mon, 6 Aug 2012 11:34:59 +0000	[thread overview]
Message-ID: <1344252900-26148-3-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1344252872.11339.27.camel@zakaz.uk.xensource.com>

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 xen/arch/arm/vtimer.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/vtimer.c b/xen/arch/arm/vtimer.c
index 6b1152e..92c385c 100644
--- a/xen/arch/arm/vtimer.c
+++ b/xen/arch/arm/vtimer.c
@@ -103,6 +103,7 @@ static int vtimer_emulate_64(struct cpu_user_regs *regs, union hsr hsr)
     struct hsr_cp64 cp64 = hsr.cp64;
     uint32_t *r1 = &regs->r0 + cp64.reg1;
     uint32_t *r2 = &regs->r0 + cp64.reg2;
+    uint64_t ticks
     s_time_t now;
 
     switch ( hsr.bits & HSR_CP64_REGS_MASK )
@@ -111,8 +112,9 @@ static int vtimer_emulate_64(struct cpu_user_regs *regs, union hsr hsr)
         if ( cp64.read )
         {
             now = NOW() - v->arch.vtimer.offset;
-            *r1 = (uint32_t)(now & 0xffffffff);
-            *r2 = (uint32_t)(now >> 32);
+            ticks = ns_to_ticks(now);
+            *r1 = (uint32_t)(ticks & 0xffffffff);
+            *r2 = (uint32_t)(ticks >> 32);
             return 1;
         }
         else
-- 
1.7.9.1

  parent reply	other threads:[~2012-08-06 11:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-06 11:34 [PATCH 0/4] arm: SMP interrupt handling fixes Ian Campbell
2012-08-06 11:34 ` [PATCH 1/4] arm: disable distributor delivery on boot CPU only Ian Campbell
2012-08-06 11:55   ` Tim Deegan
2012-08-06 11:56     ` Ian Campbell
2012-08-06 13:45       ` Ian Campbell
2012-08-07  9:42         ` Tim Deegan
2012-08-09  9:10           ` Ian Campbell
2012-08-09 11:26             ` Tim Deegan
2012-08-09 11:37               ` Ian Campbell
2012-08-06 11:34 ` [PATCH 2/4] arm: don't bother setting up vtimer, vgic etc on idle CPUs Ian Campbell
2012-08-06 11:34 ` Ian Campbell [this message]
2012-08-06 13:46   ` [PATCH 3/4] arm/vtimer: convert result to ticks when reading CNTPCT register Ian Campbell
2012-08-06 11:35 ` [PATCH 4/4] arm: Use per-CPU irq_desc for PPIs and SGIs Ian Campbell

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