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hypervisor: Define helper function for setting ARM64 KVM regs

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This change is along the lines of x86 platform which defined similar
convinence macros to access the StandardRegisters.

Signed-off-by: Jinank Jain <jinankjain@microsoft.com>
This commit is contained in:
Jinank Jain 2024-08-28 10:49:46 +00:00 committed by Bo Chen
parent cd0cdac0ed
commit a987c3d0fc
1 changed files with 42 additions and 0 deletions
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42
hypervisor/src/lib.rs
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@ -270,3 +270,45 @@ get_x86_64_reg!(r14);
get_x86_64_reg!(r15);
get_x86_64_reg!(rip);
get_x86_64_reg!(rflags);
macro_rules! set_aarch64_reg {
($reg_name:ident, $type:ty) => {
concat_idents!(method_name = "set_", $reg_name {
#[cfg(target_arch = "aarch64")]
impl StandardRegisters {
pub fn method_name(&mut self, val: $type) {
match self {
#[cfg(feature = "kvm")]
StandardRegisters::Kvm(s) => s.regs.$reg_name = val,
}
}
}
});
}
}
macro_rules! get_aarch64_reg {
($reg_name:ident, $type:ty) => {
concat_idents!(method_name = "get_", $reg_name {
#[cfg(target_arch = "aarch64")]
impl StandardRegisters {
pub fn method_name(&self) -> $type {
match self {
#[cfg(feature = "kvm")]
StandardRegisters::Kvm(s) => s.regs.$reg_name,
}
}
}
});
}
}
set_aarch64_reg!(regs, [u64; 31usize]);
set_aarch64_reg!(sp, u64);
set_aarch64_reg!(pc, u64);
set_aarch64_reg!(pstate, u64);
get_aarch64_reg!(regs, [u64; 31usize]);
get_aarch64_reg!(sp, u64);
get_aarch64_reg!(pc, u64);
get_aarch64_reg!(pstate, u64);