[PATCH qemu] fdt_load_addr is getting overflowed when there is no DRAM at lower 32 bit address space. To support pure 64-bit DRAM address, fdt_load_addr variable's data type is changed to uint64_t instead of uint32_t.

[~rlakshmibai]

From: Lakshmi Bai Raja Subramanian 
<lakshmi.bai.rajasubramanian@bodhicomputing.com>

Signed-off-by: Lakshmi Bai Raja Subramanian 
<lakshmi.bai.rajasubramanian@bodhicomputing.com>
---
 hw/riscv/virt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 95708d890e..c348529ac0 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -1244,7 +1244,7 @@ static void virt_machine_done(Notifier *notifier, void 
*data)
     target_ulong start_addr = memmap[VIRT_DRAM].base;
     target_ulong firmware_end_addr, kernel_start_addr;
     const char *firmware_name = riscv_default_firmware_name(&s->soc[0]);
-    uint32_t fdt_load_addr;
+    uint64_t fdt_load_addr;
     uint64_t kernel_entry = 0;
     BlockBackend *pflash_blk0;
 
-- 
2.38.5