dsg/cloud-hypervisor
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

hypervisor: Introduce riscv64_set_one_reg_to_vcpu macro

Browse source 
`riscv64_set_one_reg_to_vcpu` macro is used to set value of specific
RISC-V `$reg_name` stored in `state` to KVM Vcpu.

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>
This commit is contained in:
Ruoqing He 2025-03-26 18:16:43 +08:00 • committed by RuoqingHe
parent e11b9d6449
commit 9a96ea44be
1 changed files with 27 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

27
hypervisor/src/kvm/mod.rs
View file

@ -1700,6 +1700,33 @@ impl cpu::Vcpu for KvmVcpu {
// for some additional info on registers.
let kvm_regs_state: kvm_riscv_core = (*state).into();
/// Macro used to set value of specific RISC-V `$reg_name` stored in
/// `state` to KVM Vcpu.
macro_rules! riscv64_set_one_reg_to_vcpu {
(mode) => {
let off = offset_of!(kvm_riscv_core, mode);
self.fd
.lock()
.unwrap()
.set_one_reg(
riscv64_reg_id!(KVM_REG_RISCV_CORE, off),
&kvm_regs_state.mode.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetRiscvCoreRegister(e.into()))?;
};
($reg_name:ident) => {
let off = offset_of!(kvm_riscv_core, regs, user_regs_struct, $reg_name);
self.fd
.lock()
.unwrap()
.set_one_reg(
riscv64_reg_id!(KVM_REG_RISCV_CORE, off),
&kvm_regs_state.regs.$reg_name.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetRiscvCoreRegister(e.into()))?;
};
}
let off = offset_of!(kvm_riscv_core, regs, user_regs_struct, pc);
self.fd
.lock()