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Diffstat (limited to 'hw/tpm/tpm_ppi.c')
-rw-r--r--hw/tpm/tpm_ppi.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/tpm/tpm_ppi.c b/hw/tpm/tpm_ppi.c
index 362edcc5c9..274e9aa4b0 100644
--- a/hw/tpm/tpm_ppi.c
+++ b/hw/tpm/tpm_ppi.c
@@ -30,11 +30,14 @@ void tpm_ppi_reset(TPMPPI *tpmppi)
         guest_phys_blocks_init(&guest_phys_blocks);
         guest_phys_blocks_append(&guest_phys_blocks);
         QTAILQ_FOREACH(block, &guest_phys_blocks.head, next) {
+            hwaddr mr_offs = block->host_addr -
+                             (uint8_t *)memory_region_get_ram_ptr(block->mr);
+
             trace_tpm_ppi_memset(block->host_addr,
                                  block->target_end - block->target_start);
             memset(block->host_addr, 0,
                    block->target_end - block->target_start);
-            memory_region_set_dirty(block->mr, 0,
+            memory_region_set_dirty(block->mr, mr_offs,
                                     block->target_end - block->target_start);
         }
         guest_phys_blocks_free(&guest_phys_blocks);