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vm-allocator: Enable vm-allocator for AArch64

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Implemented GSI allocator and system allocator for AArch64.
Renamed some layout definitions to align more code between architectures.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
This commit is contained in:
Michael Zhao
2020-06-09 12:04:40 +08:00
committed by Rob Bradford
parent 5343b0ac18
commit e9488846f1
7 changed files with 53 additions and 33 deletions
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14
vm-allocator/src/system.rs
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@@ -10,7 +10,9 @@
use vm_memory::{GuestAddress, GuestUsize};
use crate::address::AddressAllocator;
use crate::gsi::{GsiAllocator, GsiApic};
use crate::gsi::GsiAllocator;
#[cfg(target_arch = "x86_64")]
use crate::gsi::GsiApic;
use libc::{sysconf, _SC_PAGESIZE};
@@ -53,7 +55,10 @@ impl SystemAllocator {
/// * `io_size` - The size of IO memory.
/// * `mmio_base` - The starting address of MMIO memory.
/// * `mmio_size` - The size of MMIO memory.
/// * `first_irq` - The first irq number to give out.
/// * `mmio_hole_base` - The starting address of MMIO memory in 32-bit address space.
/// * `mmio_hole_size` - The size of MMIO memory in 32-bit address space.
/// * `apics` - (X86) Vector of APIC's.
///
pub fn new(
io_base: GuestAddress,
io_size: GuestUsize,
@@ -61,13 +66,16 @@ impl SystemAllocator {
mmio_size: GuestUsize,
mmio_hole_base: GuestAddress,
mmio_hole_size: GuestUsize,
apics: Vec<GsiApic>,
#[cfg(target_arch = "x86_64")] apics: Vec<GsiApic>,
) -> Option<Self> {
Some(SystemAllocator {
io_address_space: AddressAllocator::new(io_base, io_size)?,
mmio_address_space: AddressAllocator::new(mmio_base, mmio_size)?,
mmio_hole_address_space: AddressAllocator::new(mmio_hole_base, mmio_hole_size)?,
#[cfg(target_arch = "x86_64")]
gsi_allocator: GsiAllocator::new(apics),
#[cfg(target_arch = "aarch64")]
gsi_allocator: GsiAllocator::new(),
})
}