diff options
Diffstat (limited to 'hw/arm/boot.c')
| -rw-r--r-- | hw/arm/boot.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 583ec7992e..55d552f3a8 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -228,23 +228,31 @@ static void set_kernel_args_old(const struct arm_boot_info *info) static int load_dtb(hwaddr addr, const struct arm_boot_info *binfo) { void *fdt = NULL; - char *filename; int size, rc; uint32_t acells, scells; - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, binfo->dtb_filename); - if (!filename) { - fprintf(stderr, "Couldn't open dtb file %s\n", binfo->dtb_filename); - goto fail; - } + if (binfo->dtb_filename) { + char *filename; + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, binfo->dtb_filename); + if (!filename) { + fprintf(stderr, "Couldn't open dtb file %s\n", binfo->dtb_filename); + goto fail; + } - fdt = load_device_tree(filename, &size); - if (!fdt) { - fprintf(stderr, "Couldn't open dtb file %s\n", filename); + fdt = load_device_tree(filename, &size); + if (!fdt) { + fprintf(stderr, "Couldn't open dtb file %s\n", filename); + g_free(filename); + goto fail; + } g_free(filename); - goto fail; + } else if (binfo->get_dtb) { + fdt = binfo->get_dtb(binfo, &size); + if (!fdt) { + fprintf(stderr, "Board was unable to create a dtb blob\n"); + goto fail; + } } - g_free(filename); acells = qemu_devtree_getprop_cell(fdt, "/", "#address-cells"); scells = qemu_devtree_getprop_cell(fdt, "/", "#size-cells"); @@ -438,7 +446,7 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info) /* for device tree boot, we pass the DTB directly in r2. Otherwise * we point to the kernel args. */ - if (info->dtb_filename) { + if (info->dtb_filename || info->get_dtb) { /* Place the DTB after the initrd in memory. Note that some * kernels will trash anything in the 4K page the initrd * ends in, so make sure the DTB isn't caught up in that. |