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hypervisor: cpu: Expand Set/GetCoreRegisters variant

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Since RISC-V has its own definition of `CoreRegister`, expand the Aarch
variant to avoid collision of `HypervisorCpuError`.

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>
This commit is contained in:
Ruoqing He 2024-09-23 12:14:34 +08:00 committed by Rob Bradford
parent e9f137dc4a
commit 2668dbbd8b
2 changed files with 27 additions and 27 deletions
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8
hypervisor/src/cpu.rs
View File

@ -209,13 +209,13 @@ pub enum HypervisorCpuError {
///
/// Getting AArch64 core register error
///
#[error("Failed to get core register: {0}")]
GetCoreRegister(#[source] anyhow::Error),
#[error("Failed to get aarch64 core register: {0}")]
GetAarchCoreRegister(#[source] anyhow::Error),
///
/// Setting AArch64 core register error
///
#[error("Failed to set core register: {0}")]
SetCoreRegister(#[source] anyhow::Error),
#[error("Failed to set aarch64 core register: {0}")]
SetAarchCoreRegister(#[source] anyhow::Error),
///
/// Getting AArch64 registers list error
///

46
hypervisor/src/kvm/mod.rs
View File

@ -1247,7 +1247,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.regs.regs[i] = u64::from_le_bytes(bytes);
off += std::mem::size_of::<u64>();
}
@ -1260,7 +1260,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.regs.sp = u64::from_le_bytes(bytes);
// Second one, the program counter.
@ -1270,7 +1270,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.regs.pc = u64::from_le_bytes(bytes);
// Next is the processor state.
@ -1280,7 +1280,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.regs.pstate = u64::from_le_bytes(bytes);
// The stack pointer associated with EL1
@ -1290,7 +1290,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.sp_el1 = u64::from_le_bytes(bytes);
// Exception Link Register for EL1, when taking an exception to EL1, this register
@ -1301,7 +1301,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.elr_el1 = u64::from_le_bytes(bytes);
// Saved Program Status Registers, there are 5 of them used in the kernel.
@ -1312,7 +1312,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.spsr[i] = u64::from_le_bytes(bytes);
off += std::mem::size_of::<u64>();
}
@ -1326,7 +1326,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U128, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.fp_regs.vregs[i] = u128::from_le_bytes(bytes);
off += mem::size_of::<u128>();
}
@ -1338,7 +1338,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.fp_regs.fpsr = u32::from_le_bytes(bytes);
// Floating-point Control Register
@ -1348,7 +1348,7 @@ impl cpu::Vcpu for KvmVcpu {
.lock()
.unwrap()
.get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off), &mut bytes)
.map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::GetAarchCoreRegister(e.into()))?;
state.fp_regs.fpcr = u32::from_le_bytes(bytes);
Ok(state.into())
}
@ -1385,7 +1385,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.regs.regs[i].to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
off += std::mem::size_of::<u64>();
}
@ -1397,7 +1397,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.regs.sp.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let off = offset_of!(user_pt_regs, pc);
self.fd
@ -1407,7 +1407,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.regs.pc.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let off = offset_of!(user_pt_regs, pstate);
self.fd
@ -1417,7 +1417,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.regs.pstate.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let off = offset_of!(kvm_regs, sp_el1);
self.fd
@ -1427,7 +1427,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.sp_el1.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let off = offset_of!(kvm_regs, elr_el1);
self.fd
@ -1437,7 +1437,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.elr_el1.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let mut off = offset_of!(kvm_regs, spsr);
for i in 0..KVM_NR_SPSR as usize {
@ -1448,7 +1448,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
&kvm_regs_state.spsr[i].to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
off += std::mem::size_of::<u64>();
}
@ -1461,7 +1461,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U128, off),
&kvm_regs_state.fp_regs.vregs[i].to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
off += mem::size_of::<u128>();
}
@ -1473,7 +1473,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U32, off),
&kvm_regs_state.fp_regs.fpsr.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
let off = offset_of!(kvm_regs, fp_regs) + offset_of!(user_fpsimd_state, fpcr);
self.fd
@ -1483,7 +1483,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U32, off),
&kvm_regs_state.fp_regs.fpcr.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
Ok(())
}
@ -1966,7 +1966,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, pstate),
&PSTATE_FAULT_BITS_64.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
// Other vCPUs are powered off initially awaiting PSCI wakeup.
if cpu_id == 0 {
@ -1979,7 +1979,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, pc),
&boot_ip.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
// Last mandatory thing to set -> the address pointing to the FDT (also called DTB).
// "The device tree blob (dtb) must be placed on an 8-byte boundary and must
@ -1993,7 +1993,7 @@ impl cpu::Vcpu for KvmVcpu {
arm64_core_reg_id!(KVM_REG_SIZE_U64, regs0),
&fdt_start.to_le_bytes(),
)
.map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
.map_err(|e| cpu::HypervisorCpuError::SetAarchCoreRegister(e.into()))?;
}
Ok(())
}