arch, devices, vmm: Remove "acpi" feature gate

Compile this feature in by default as it's well supported on both
aarch64 and x86_64 and we only officially support using it (no non-acpi
binaries are available.)

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2022-03-28 11:53:22 +01:00
committed by Bo Chen
parent fa7487629f
commit 7c0cf8cc23
16 changed files with 63 additions and 214 deletions

View File

@@ -242,7 +242,6 @@ fn create_memory_node(
let mem_reg_prop = [memory_region_start_addr, memory_region_size];
// With feature `acpi` enabled, RAM at 0-4M is for edk2 only
// and should be hidden to the guest.
#[cfg(feature = "acpi")]
if memory_region_start_addr == 0 {
continue;
}
@@ -548,20 +547,19 @@ fn create_pci_nodes(
// could fall bellow 4G.
// Here we cut off PCI device space below 8G in FDT to workaround the EDK2 check.
// But the address written in ACPI is not impacted.
let (pci_device_base_64bit, pci_device_size_64bit) = if cfg!(feature = "acpi")
&& (pci_device_info_elem.pci_device_space_start < PCI_HIGH_BASE)
{
(
PCI_HIGH_BASE,
pci_device_info_elem.pci_device_space_size
- (PCI_HIGH_BASE - pci_device_info_elem.pci_device_space_start),
)
} else {
(
pci_device_info_elem.pci_device_space_start,
pci_device_info_elem.pci_device_space_size,
)
};
let (pci_device_base_64bit, pci_device_size_64bit) =
if pci_device_info_elem.pci_device_space_start < PCI_HIGH_BASE {
(
PCI_HIGH_BASE,
pci_device_info_elem.pci_device_space_size
- (PCI_HIGH_BASE - pci_device_info_elem.pci_device_space_start),
)
} else {
(
pci_device_info_elem.pci_device_space_start,
pci_device_info_elem.pci_device_space_size,
)
};
// There is no specific requirement of the 32bit MMIO range, and
// therefore at least we can make these ranges 4K aligned.
let pci_device_size_32bit: u64 =

View File

@@ -83,22 +83,11 @@ pub fn arch_memory_regions(size: GuestUsize) -> Vec<(GuestAddress, usize, Region
// As a workaround, we take 4 MiB memory from the main RAM for UEFI.
// As a result, the RAM that the guest can see is less than what has been
// assigned in command line, when ACPI and UEFI is enabled.
let ram_deduction = if cfg!(feature = "acpi") {
layout::UEFI_SIZE
} else {
0
};
let ram_deduction = layout::UEFI_SIZE;
vec![
// 0 ~ 4 MiB: Reserved for UEFI space
#[cfg(feature = "acpi")]
(GuestAddress(0), layout::UEFI_SIZE as usize, RegionType::Ram),
#[cfg(not(feature = "acpi"))]
(
GuestAddress(0),
layout::UEFI_SIZE as usize,
RegionType::Reserved,
),
// 4 MiB ~ 256 MiB: Gic and legacy devices
(
GuestAddress(layout::UEFI_SIZE),
@@ -224,7 +213,7 @@ mod tests {
let regions = arch_memory_regions((1usize << 32) as u64); //4GB
assert_eq!(5, regions.len());
assert_eq!(GuestAddress(layout::RAM_64BIT_START), regions[4].0);
assert_eq!(1usize << 32, regions[4].1);
assert_eq!(((1 << 32) - layout::UEFI_SIZE) as usize, regions[4].1);
assert_eq!(RegionType::Ram, regions[4].2);
}
}