Files
acrn-hypervisor/hypervisor/boot/guest/rawimage_loader.c
Yifan Liu 688741074f hv: vm: Move vm common parts under common/vm.h (data structure)
This commit moves struct acrn_vm under common header vm.h, and move some
x86-specific members of struct acrn_vm into arch_vm. This commit focuses
on struct cleanup only. API cleanup will be in future patch series.

The affected members are:
e820_entry_num
e820_entries
wire_mode
wbinvd_lock
vlapic_mode_lock
vcpuid_entry_nr
vcpuid_level
vcpuid_xlevel
vcpuid_entries
reset_control
pm
sworld_control
sworld_snapshot
intr_inject_delay_delta

Moved to common vm.h:
ept_lock -> rename to stg2pt_lock
ept_pgtable -> rename to stg2_pgtable
nworld_eptp -> rename to root_stg2ptp
emul_mmio_lock
nr_emul_mmio_regions
emul_mmio
emul_pio

To avoid circular dependency, some in-header helpers are also moved into
common vm.h.

Tracked-On: #8830
Signed-off-by: Yifan Liu <yifan1.liu@intel.com>
Reviewed-by: Fei Li <fei1.li@intel.com>
Acked-by: Wang Yu1 <yu1.wang@intel.com>
2025-10-30 13:30:32 +08:00

47 lines
1.3 KiB
C

/*
* Copyright (C) 2021-2022 Intel Corporation.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <vm.h>
#include <vboot.h>
/**
* @pre vm != NULL
*/
static void load_rawimage(struct acrn_vm *vm)
{
struct sw_kernel_info *sw_kernel = &(vm->sw.kernel_info);
const struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
uint64_t kernel_load_gpa;
/* TODO: GPA 0 load support */
kernel_load_gpa = vm_config->os_config.kernel_load_addr;
/* Copy the guest kernel image to its run-time location */
(void)copy_to_gpa(vm, sw_kernel->kernel_src_addr, kernel_load_gpa, sw_kernel->kernel_size);
sw_kernel->kernel_entry_addr = (void *)vm_config->os_config.kernel_entry_addr;
}
int32_t rawimage_loader(struct acrn_vm *vm)
{
int32_t ret = 0;
uint64_t vgdt_gpa = 0x800;
/*
* TODO:
* - We need to initialize the guest BSP(boot strap processor) registers according to
* guest boot mode (real mode vs protect mode)
* - The memory layout usage is unclear, only GDT might be needed as its boot param.
* currently we only support Zephyr which has no needs on cmdline/e820/efimmap/etc.
* hardcode the vGDT GPA to 0x800 where is not used by Zephyr so far;
*/
init_vcpu_protect_mode_regs(vcpu_from_vid(vm, BSP_CPU_ID), vgdt_gpa);
load_rawimage(vm);
return ret;
}