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Dragonball: use LinuxBootConfigurator::write_bootparams to writes

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the boot parameters into guest memory.

Fixes: #6813

Signed-off-by: Shuaiyi Zhang <zhang_syi@qq.com>
This commit is contained in:
Shuaiyi Zhang 2023-05-12 15:14:55 +08:00
parent 20ac3917ad
commit 197c336516
1 changed files with 7 additions and 11 deletions
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18
src/dragonball/src/vm/x86_64.rs
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@ -7,7 +7,6 @@
// found in the THIRD-PARTY file.
use std::convert::TryInto;
use std::mem;
use std::ops::Deref;
use dbs_address_space::AddressSpace;
@ -16,8 +15,9 @@ use dbs_utils::epoll_manager::EpollManager;
use dbs_utils::time::TimestampUs;
use kvm_bindings::{kvm_irqchip, kvm_pit_config, kvm_pit_state2, KVM_PIT_SPEAKER_DUMMY};
use linux_loader::cmdline::Cmdline;
use linux_loader::configurator::{linux::LinuxBootConfigurator, BootConfigurator, BootParams};
use slog::info;
use vm_memory::{Address, Bytes, GuestAddress, GuestAddressSpace, GuestMemory};
use vm_memory::{Address, GuestAddress, GuestAddressSpace, GuestMemory};
use crate::address_space_manager::{GuestAddressSpaceImpl, GuestMemoryImpl};
use crate::error::{Error, Result, StartMicroVmError};
@ -110,15 +110,11 @@ fn configure_system<M: GuestMemory>(
}
}
let zero_page_addr = GuestAddress(layout::ZERO_PAGE_START);
guest_mem
.checked_offset(zero_page_addr, mem::size_of::<bootparam::boot_params>())
.ok_or(Error::ZeroPagePastRamEnd)?;
guest_mem
.write_obj(params, zero_page_addr)
.map_err(|_| Error::ZeroPageSetup)?;
Ok(())
LinuxBootConfigurator::write_bootparams(
&BootParams::new(&params, GuestAddress(layout::ZERO_PAGE_START)),
guest_mem,
)
.map_err(|_| Error::ZeroPageSetup)
}
impl Vm {