1 files changed, 16 insertions, 0 deletions
diff --git a/dma-helpers.c b/dma-helpers.c
index 7971a89c14..5265132edf 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -10,6 +10,22 @@
 #include "dma.h"
 #include "trace.h"
 
+int dma_memory_set(DMAContext *dma, dma_addr_t addr, uint8_t c, dma_addr_t len)
+{
+#define FILLBUF_SIZE 512
+    uint8_t fillbuf[FILLBUF_SIZE];
+    int l;
+
+    memset(fillbuf, c, FILLBUF_SIZE);
+    while (len > 0) {
+        l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE;
+        cpu_physical_memory_rw(addr, fillbuf, l, true);
+        len -= len;
+        addr += len;
+    }
+    return 0;
+}
+
 void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint)
 {
     qsg->sg = g_malloc(alloc_hint * sizeof(ScatterGatherEntry));