Launch qemu-system-riscv64 with a given dtb for 'sifive_u' and 'virt'
machines, QEMU complains:
qemu_fdt_add_subnode: Failed to create subnode /soc: FDT_ERR_EXISTS
The whole DT generation logic should be skipped when a given DTB is
present.
Fixes: b1f19f238cae ("hw/riscv: write bootargs 'chosen' FDT after riscv_load_kernel()")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <
20230228074522.
1845007-1-bmeng@tinylab.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
error_report("load_device_tree() failed");
exit(1);
}
+ return;
} else {
fdt = ms->fdt = create_device_tree(&fdt_size);
if (!fdt) {
error_report("load_device_tree() failed");
exit(1);
}
+ return;
} else {
ms->fdt = create_device_tree(&s->fdt_size);
if (!ms->fdt) {