mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2026-07-27 00:15:55 +00:00
9f684d04e4
Set kernel bootargs through FDT path "/chosen/bootargs". Tracked-On: #8841 Signed-off-by: Yifan Liu <yifan1.liu@intel.com> Acked-by: Wang Yu1 <yu1.wang@intel.com>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2025 Intel Corporation.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <vm.h>
|
|
#include <reloc.h>
|
|
#include <vm_config.h>
|
|
#include <libfdt.h>
|
|
#include <vfdt.h>
|
|
#include <fdt_api.h>
|
|
|
|
void init_vm_vfdt_common(struct acrn_vm *vm)
|
|
{
|
|
struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
|
|
void *fdt = vm_get_vfdt(vm);
|
|
|
|
if (vm_config->os_config.bootargs[0] != '\0') {
|
|
fdt_set_kernel_bootargs(fdt, vm_config->os_config.bootargs);
|
|
}
|
|
|
|
vm->sw.fdt_info.src_addr = fdt;
|
|
vm->sw.fdt_info.size = fdt_totalsize(fdt);
|
|
/* load addr is initialized in image loader */
|
|
}
|
|
|
|
void init_service_vm_vfdt(struct acrn_vm *vm)
|
|
{
|
|
void *fdt = vm_get_vfdt(vm);
|
|
struct acrn_vm_config *vm_config;
|
|
uint16_t vm_id;
|
|
uint64_t i, addr, size;
|
|
|
|
/* Re-use host FDT */
|
|
fdt_move(get_host_fdt(), fdt, MAX_FDT_SIZE);
|
|
|
|
/* Reserve hypervisor mem range */
|
|
fdt_add_rsvd_node(fdt, get_hv_image_base(), get_hv_image_size());
|
|
|
|
/* Remove hv owned devices */
|
|
/* TODO: to be implemented */
|
|
|
|
/* Reserve pre-launched VM mem range */
|
|
for (vm_id = 0; vm_id < CONFIG_MAX_VM_NUM; vm_id++) {
|
|
vm_config = get_vm_config(vm_id);
|
|
if (vm_config->load_order == PRE_LAUNCHED_VM) {
|
|
for (i = 0; i < vm_config->memory.region_num; i++) {
|
|
addr = vm_config->memory.host_regions[i].start_hpa;
|
|
size = vm_config->memory.host_regions[i].size_hpa;
|
|
fdt_add_rsvd_node(fdt, addr, size);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Remove pre-launch owned devices */
|
|
/* TODO: to be implemented */
|
|
|
|
arch_init_service_vm_vfdt(vm);
|
|
|
|
init_vm_vfdt_common(vm);
|
|
}
|