winhvemulation is x86_64 only.

In the future, we might want to get rid of winhvemulation usage
entirely.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 accel/whpx/whpx-common.c       | 14 ++++++++++++--
 include/system/whpx-common.h   |  2 ++
 include/system/whpx-internal.h |  7 ++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/accel/whpx/whpx-common.c b/accel/whpx/whpx-common.c
index 66c9238586..95664a1df7 100644
--- a/accel/whpx/whpx-common.c
+++ b/accel/whpx/whpx-common.c
@@ -41,7 +41,9 @@
 bool whpx_allowed;
 static bool whp_dispatch_initialized;
 static HMODULE hWinHvPlatform;
+#ifdef __x86_64__
 static HMODULE hWinHvEmulation;
+#endif
 
 struct whpx_state whpx_global;
 struct WHPDispatch whp_dispatch;
@@ -236,8 +238,10 @@ void whpx_destroy_vcpu(CPUState *cpu)
     struct whpx_state *whpx = &whpx_global;
 
     whp_dispatch.WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index);
+#ifdef __x86_64__
     AccelCPUState *vcpu = cpu->accel;
     whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator);
+#endif
     g_free(cpu->accel);
 }
 
@@ -412,8 +416,12 @@ static bool load_whp_dispatch_fns(HMODULE *handle,
         LIST_WINHVPLATFORM_FUNCTIONS(WHP_LOAD_FIELD)
         break;
     case WINHV_EMULATION_FNS_DEFAULT:
+#ifdef __x86_64__
         WHP_LOAD_LIB(WINHV_EMULATION_DLL, hLib)
         LIST_WINHVEMULATION_FUNCTIONS(WHP_LOAD_FIELD)
+#else
+        g_assert_not_reached();
+#endif
         break;
     case WINHV_PLATFORM_FNS_SUPPLEMENTAL:
         WHP_LOAD_LIB(WINHV_PLATFORM_DLL, hLib)
@@ -539,11 +547,11 @@ bool init_whp_dispatch(void)
     if (!load_whp_dispatch_fns(&hWinHvPlatform, WINHV_PLATFORM_FNS_DEFAULT)) {
         goto error;
     }
-
+#ifdef __x86_64__
     if (!load_whp_dispatch_fns(&hWinHvEmulation, WINHV_EMULATION_FNS_DEFAULT)) {
         goto error;
     }
-
+#endif
     assert(load_whp_dispatch_fns(&hWinHvPlatform,
         WINHV_PLATFORM_FNS_SUPPLEMENTAL));
     whp_dispatch_initialized = true;
@@ -553,9 +561,11 @@ error:
     if (hWinHvPlatform) {
         FreeLibrary(hWinHvPlatform);
     }
+#ifdef __x86_64__
     if (hWinHvEmulation) {
         FreeLibrary(hWinHvEmulation);
     }
+#endif
     return false;
 }
 
diff --git a/include/system/whpx-common.h b/include/system/whpx-common.h
index e549c7539c..7a7c607e0a 100644
--- a/include/system/whpx-common.h
+++ b/include/system/whpx-common.h
@@ -3,7 +3,9 @@
 #define SYSTEM_WHPX_COMMON_H
 
 struct AccelCPUState {
+#ifdef __x86_64__
     WHV_EMULATOR_HANDLE emulator;
+#endif
     bool window_registered;
     bool interruptable;
     bool ready_for_pic_interrupt;
diff --git a/include/system/whpx-internal.h b/include/system/whpx-internal.h
index e61375d554..e57d2c8526 100644
--- a/include/system/whpx-internal.h
+++ b/include/system/whpx-internal.h
@@ -4,8 +4,9 @@
 
 #include <windows.h>
 #include <winhvplatform.h>
+#ifdef __x86_64__
 #include <winhvemulation.h>
-
+#endif
 typedef enum WhpxBreakpointState {
     WHPX_BP_CLEARED = 0,
     WHPX_BP_SET_PENDING,
@@ -98,12 +99,16 @@ void whpx_apic_get(DeviceState *s);
 
 /* Define function typedef */
 LIST_WINHVPLATFORM_FUNCTIONS(WHP_DEFINE_TYPE)
+#ifdef __x86_64__
 LIST_WINHVEMULATION_FUNCTIONS(WHP_DEFINE_TYPE)
+#endif
 LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DEFINE_TYPE)
 
 struct WHPDispatch {
     LIST_WINHVPLATFORM_FUNCTIONS(WHP_DECLARE_MEMBER)
+#ifdef __x86_64__
     LIST_WINHVEMULATION_FUNCTIONS(WHP_DECLARE_MEMBER)
+#endif
     LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DECLARE_MEMBER)
 };
 
-- 
2.50.1 (Apple Git-155)