[Patch 1/1] OvmfPkg/Xen: Fix VS2019 build issues

["Michael D Kinney" <michael.d.kinney@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3722

Fix VS2019 NOOPT build issues related to converting
a larger integer value to a smaller integer value.

Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Julien Grall <julien@xen.org>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
---
 .../Library/XenRealTimeClockLib/XenRealTimeClockLib.c  | 10 +++++-----
 OvmfPkg/XenPlatformPei/MemDetect.c                     |  2 +-
 OvmfPkg/XenTimerDxe/XenTimerDxe.c                      |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.c b/OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.c
index e113bc89bd75..72e0aaa8798c 100644
--- a/OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.c
+++ b/OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.c
@@ -53,9 +53,9 @@ EpochToEfiTime (
   m  = (((da * 5) + 308) / 153) - 2;
   d  = da - (((m + 4) * 153) / 5) + 122;
 
-  Time->Year  = y - 4800 + ((m + 2) / 12);
+  Time->Year  = (UINT16)(y - 4800 + ((m + 2) / 12));
   Time->Month = ((m + 2) % 12) + 1;
-  Time->Day   = d + 1;
+  Time->Day   = (UINT8)(d + 1);
 
   ss = EpochSeconds % 60;
   a  = (EpochSeconds - ss) / 60;
@@ -63,9 +63,9 @@ EpochToEfiTime (
   b = (a - mm) / 60;
   hh = b % 24;
 
-  Time->Hour        = hh;
-  Time->Minute      = mm;
-  Time->Second      = ss;
+  Time->Hour        = (UINT8)hh;
+  Time->Minute      = (UINT8)mm;
+  Time->Second      = (UINT8)ss;
   Time->Nanosecond  = 0;
 
 }
diff --git a/OvmfPkg/XenPlatformPei/MemDetect.c b/OvmfPkg/XenPlatformPei/MemDetect.c
index 1970b631c94d..fa1be888d6ba 100644
--- a/OvmfPkg/XenPlatformPei/MemDetect.c
+++ b/OvmfPkg/XenPlatformPei/MemDetect.c
@@ -154,7 +154,7 @@ GetSystemMemorySizeBelow4gb (
     HighestAddress = GetHighestSystemMemoryAddress (TRUE);
     ASSERT (HighestAddress > 0 && HighestAddress <= BASE_4GB);
 
-    return HighestAddress;
+    return (UINT32)HighestAddress;
   }
 
   //
diff --git a/OvmfPkg/XenTimerDxe/XenTimerDxe.c b/OvmfPkg/XenTimerDxe/XenTimerDxe.c
index 0bec59382b0a..19fa17a29fb4 100644
--- a/OvmfPkg/XenTimerDxe/XenTimerDxe.c
+++ b/OvmfPkg/XenTimerDxe/XenTimerDxe.c
@@ -165,7 +165,7 @@ TimerDriverSetTimerPeriod (
 {
   UINT64  TimerCount;
   UINT32  TimerFrequency;
-  UINTN   DivideValue = 1;
+  UINT32  DivideValue = 1;
 
   if (TimerPeriod == 0) {
     //
@@ -193,7 +193,7 @@ TimerDriverSetTimerPeriod (
     //
     // Program the timer with the new count value
     //
-    InitializeApicTimer(DivideValue, TimerCount, TRUE, LOCAL_APIC_TIMER_VECTOR);
+    InitializeApicTimer(DivideValue, (UINT32)TimerCount, TRUE, LOCAL_APIC_TIMER_VECTOR);
 
     //
     // Enable timer interrupt
-- 
2.32.0.windows.1