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-rw-r--r--hw/nios2/boot.c8
-rw-r--r--hw/nios2/meson.build2
2 files changed, 8 insertions, 2 deletions
diff --git a/hw/nios2/boot.c b/hw/nios2/boot.c
index 21cbffff47..b30a7b1efb 100644
--- a/hw/nios2/boot.c
+++ b/hw/nios2/boot.c
@@ -43,6 +43,8 @@
 
 #include "boot.h"
 
+#include <libfdt.h>
+
 #define NIOS2_MAGIC    0x534f494e
 
 static struct nios2_boot_info {
@@ -81,6 +83,7 @@ static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
 static int nios2_load_dtb(struct nios2_boot_info bi, const uint32_t ramsize,
                           const char *kernel_cmdline, const char *dtb_filename)
 {
+    MachineState *machine = MACHINE(qdev_get_machine());
     int fdt_size;
     void *fdt = NULL;
     int r;
@@ -113,7 +116,10 @@ static int nios2_load_dtb(struct nios2_boot_info bi, const uint32_t ramsize,
     }
 
     cpu_physical_memory_write(bi.fdt, fdt, fdt_size);
-    g_free(fdt);
+
+    /* Set machine->fdt for 'dumpdtb' QMP/HMP command */
+    machine->fdt = fdt;
+
     return fdt_size;
 }
 
diff --git a/hw/nios2/meson.build b/hw/nios2/meson.build
index 6c58e8082b..22277bd6c5 100644
--- a/hw/nios2/meson.build
+++ b/hw/nios2/meson.build
@@ -1,5 +1,5 @@
 nios2_ss = ss.source_set()
-nios2_ss.add(files('boot.c'))
+nios2_ss.add(files('boot.c'), fdt)
 nios2_ss.add(when: 'CONFIG_NIOS2_10M50', if_true: files('10m50_devboard.c'))
 nios2_ss.add(when: 'CONFIG_NIOS2_GENERIC_NOMMU', if_true: files('generic_nommu.c'))