hw/core/guest-loader.c

2  * Guest Loader
6  * (based on the generic-loader by Li Guang <lig.fnst@cn.fujitsu.com>)
8  * SPDX-License-Identifier: GPL-2.0-or-later
11  * See the COPYING file in the top-level directory.
15  * Much like the generic-loader this is treated as a special device
16  * inside QEMU. However unlike the generic-loader this device is used
19  * lower levels of the stack (e.g. firmware/bootloader). If you boot
20  * the hypervisor directly you use the guest-loader to load the Dom0
22  * boot loader would.
30 #include "hw/loader.h"
31 #include "hw/qdev-properties.h"
34 #include "guest-loader.h"
45     void *fdt = machine->fdt;  in loader_insert_platform_data()
47                                             s->addr);  in loader_insert_platform_data()
48     uint64_t reg_attr[2] = {cpu_to_be64(s->addr), cpu_to_be64(size)};  in loader_insert_platform_data()
58     if (s->kernel) {  in loader_insert_platform_data()
66         if (s->args) {  in loader_insert_platform_data()
67             if (qemu_fdt_setprop_string(fdt, node, "bootargs", s->args) < 0) {  in loader_insert_platform_data()
71     } else if (s->initrd) {  in loader_insert_platform_data()
85     char *file = s->kernel ? s->kernel : s->initrd;  in guest_loader_realize()
89     if (s->kernel && s->initrd) {  in guest_loader_realize()
92     } else if (!s->kernel && !s->initrd)  {  in guest_loader_realize()
95     } else if (!s->addr) {  in guest_loader_realize()
98     } else if (s->args && !s->kernel) {  in guest_loader_realize()
99         error_setg(errp, "Boot args only relevant to kernel blobs");  in guest_loader_realize()
103     size = load_image_targphys_as(file, s->addr, current_machine->ram_size,  in guest_loader_realize()
125     dc->realize = guest_loader_realize;  in guest_loader_class_init()
127     dc->desc = "Guest Loader";  in guest_loader_class_init()
128     set_bit(DEVICE_CATEGORY_MISC, dc->categories);  in guest_loader_class_init()