By default QEMU generates a 1 MiB sized device tree. Let's pack it
to save some room.
Signed-off-by: Bin Meng <bin.m...@windriver.com>
---
hw/arm/boot.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index ff1173299f..511ec10ed0 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -662,6 +662,17 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info
*binfo,
binfo->modify_dtb(binfo, fdt);
}
+ /*
+ * By default QEMU generates a 1 MiB sized device tree.
+ * Let's pack it to save some room.
+ */
+ if (binfo->get_dtb) {
+ rc = fdt_pack(fdt);
+ /* Should only fail if we've built a corrupted tree */
+ g_assert(rc == 0);
+ size = fdt_totalsize(fdt);
+ }
+
qemu_fdt_dumpdtb(fdt, size);
/* Put the DTB into the memory map as a ROM image: this will ensure
--
2.34.1
