exec: Make stw_*_phys input an AddressSpace

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index f47c3ec..ebf09e9 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -570,7 +570,7 @@
         stb_phys(addr, val);
         return H_SUCCESS;
     case 2:
-        stw_phys(addr, val);
+        stw_phys(cs->as, addr, val);
         return H_SUCCESS;
     case 4:
         stl_phys(cs->as, addr, val);
@@ -635,7 +635,7 @@
             stb_phys(dst, tmp);
             break;
         case 1:
-            stw_phys(dst, tmp);
+            stw_phys(cs->as, dst, tmp);
             break;
         case 2:
             stl_phys(cs->as, dst, tmp);