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-rw-r--r--hw/i386/amd_iommu.c2
-rw-r--r--hw/i386/amd_iommu.h4
2 files changed, 3 insertions, 3 deletions
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 47b79d9112..e0732ccaf1 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -562,7 +562,7 @@ static void amdvi_mmio_trace(hwaddr addr, unsigned size)
         trace_amdvi_mmio_read(amdvi_mmio_high[index], addr, size, addr & ~0x07);
     } else {
         index = index >= AMDVI_MMIO_REGS_LOW ? AMDVI_MMIO_REGS_LOW : index;
-        trace_amdvi_mmio_read(amdvi_mmio_high[index], addr, size, addr & ~0x07);
+        trace_amdvi_mmio_read(amdvi_mmio_low[index], addr, size, addr & ~0x07);
     }
 }
 
diff --git a/hw/i386/amd_iommu.h b/hw/i386/amd_iommu.h
index 884926e9e7..0d3dc6a9f2 100644
--- a/hw/i386/amd_iommu.h
+++ b/hw/i386/amd_iommu.h
@@ -49,8 +49,8 @@
 #define AMDVI_CAPAB_INIT_TYPE         (3 << 16)
 
 /* No. of used MMIO registers */
-#define AMDVI_MMIO_REGS_HIGH  8
-#define AMDVI_MMIO_REGS_LOW   7
+#define AMDVI_MMIO_REGS_HIGH  7
+#define AMDVI_MMIO_REGS_LOW   8
 
 /* MMIO registers */
 #define AMDVI_MMIO_DEVICE_TABLE       0x0000