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@@ -1,10 +1,12 @@
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use crate::{Tag, TagTrait, TagType, TagTypeId};
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-
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use core::convert::TryInto;
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use core::fmt::Debug;
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use core::marker::PhantomData;
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use core::mem;
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+pub use uefi_raw::table::boot::MemoryDescriptor as EFIMemoryDesc;
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+pub use uefi_raw::table::boot::MemoryType as EFIMemoryAreaType;
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+
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#[cfg(feature = "builder")]
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use {crate::builder::boxed_dst_tag, crate::builder::traits::StructAsBytes, alloc::boxed::Box};
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@@ -296,18 +298,6 @@ impl StructAsBytes for EFIMemoryMapTag {
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}
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}
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-/// EFI Boot Memory Map Descriptor
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-#[derive(Debug, Clone)]
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-#[repr(C)]
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-pub struct EFIMemoryDesc {
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- typ: u32,
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- _padding: u32,
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- phys_addr: u64,
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- virt_addr: u64,
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- num_pages: u64,
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- attr: u64,
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-}
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-
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#[cfg(feature = "builder")]
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impl StructAsBytes for EFIMemoryDesc {
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fn byte_size(&self) -> usize {
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@@ -315,136 +305,6 @@ impl StructAsBytes for EFIMemoryDesc {
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}
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}
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-/// An enum of possible reported region types.
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-#[derive(Debug, PartialEq, Eq)]
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-pub enum EFIMemoryAreaType {
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- /// Unusable.
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- EfiReservedMemoryType,
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- /// Code area of a UEFI application.
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- EfiLoaderCode,
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- /// Data area of a UEFI application.
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- EfiLoaderData,
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- /// Code area of a UEFI Boot Service Driver.
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- EfiBootServicesCode,
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- /// Data area of a UEFI Boot Service Driver.
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- EfiBootServicesData,
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- /// Code area of a UEFI Runtime Driver.
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- ///
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- /// Must be preserved in working and ACPI S1-S3 states.
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- EfiRuntimeServicesCode,
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- /// Data area of a UEFI Runtime Driver.
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- ///
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- /// Must be preserved in working and ACPI S1-S3 states.
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- EfiRuntimeServicesData,
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- /// Available memory.
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- EfiConventionalMemory,
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- /// Memory with errors, treat as unusable.
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- EfiUnusableMemory,
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- /// Memory containing the ACPI tables.
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- ///
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- /// Must be preserved in working and ACPI S1-S3 states.
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- EfiACPIReclaimMemory,
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- /// Memory reserved by firmware.
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- ///
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- /// Must be preserved in working and ACPI S1-S3 states.
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- EfiACPIMemoryNVS,
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- /// Memory used by firmware for requesting memory mapping of IO.
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- ///
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- /// Should not be used by the OS. Use the ACPI tables for memory mapped IO
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- /// information.
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- EfiMemoryMappedIO,
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- /// Memory used to translate memory cycles to IO cycles.
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- ///
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- /// Should not be used by the OS. Use the ACPI tables for memory mapped IO
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- /// information.
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- EfiMemoryMappedIOPortSpace,
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- /// Memory used by the processor.
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- ///
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- /// Must be preserved in working and ACPI S1-S4 states. Processor defined
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- /// otherwise.
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- EfiPalCode,
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- /// Available memory supporting byte-addressable non-volatility.
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- EfiPersistentMemory,
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- /// Unknown region type, treat as unusable.
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- EfiUnknown,
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-}
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-
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-impl From<EFIMemoryAreaType> for u32 {
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- fn from(area: EFIMemoryAreaType) -> Self {
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- match area {
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- EFIMemoryAreaType::EfiReservedMemoryType => 0,
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- EFIMemoryAreaType::EfiLoaderCode => 1,
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- EFIMemoryAreaType::EfiLoaderData => 2,
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- EFIMemoryAreaType::EfiBootServicesCode => 3,
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- EFIMemoryAreaType::EfiBootServicesData => 4,
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- EFIMemoryAreaType::EfiRuntimeServicesCode => 5,
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- EFIMemoryAreaType::EfiRuntimeServicesData => 6,
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- EFIMemoryAreaType::EfiConventionalMemory => 7,
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- EFIMemoryAreaType::EfiUnusableMemory => 8,
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- EFIMemoryAreaType::EfiACPIReclaimMemory => 9,
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- EFIMemoryAreaType::EfiACPIMemoryNVS => 10,
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- EFIMemoryAreaType::EfiMemoryMappedIO => 11,
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- EFIMemoryAreaType::EfiMemoryMappedIOPortSpace => 12,
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- EFIMemoryAreaType::EfiPalCode => 13,
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- EFIMemoryAreaType::EfiPersistentMemory => 14,
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- EFIMemoryAreaType::EfiUnknown => panic!("unknown type"),
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- }
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- }
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-}
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-
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-impl EFIMemoryDesc {
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- /// The physical address of the memory region.
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- pub fn physical_address(&self) -> u64 {
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- self.phys_addr
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- }
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-
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- /// The virtual address of the memory region.
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- pub fn virtual_address(&self) -> u64 {
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- self.virt_addr
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- }
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-
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- /// The size in bytes of the memory region.
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- pub fn size(&self) -> u64 {
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- // Spec says this is number of 4KiB pages.
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- self.num_pages * 4096
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- }
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-
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- /// The type of the memory region.
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- pub fn typ(&self) -> EFIMemoryAreaType {
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- match self.typ {
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- 0 => EFIMemoryAreaType::EfiReservedMemoryType,
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- 1 => EFIMemoryAreaType::EfiLoaderCode,
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- 2 => EFIMemoryAreaType::EfiLoaderData,
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- 3 => EFIMemoryAreaType::EfiBootServicesCode,
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- 4 => EFIMemoryAreaType::EfiBootServicesData,
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- 5 => EFIMemoryAreaType::EfiRuntimeServicesCode,
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- 6 => EFIMemoryAreaType::EfiRuntimeServicesData,
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- 7 => EFIMemoryAreaType::EfiConventionalMemory,
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- 8 => EFIMemoryAreaType::EfiUnusableMemory,
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- 9 => EFIMemoryAreaType::EfiACPIReclaimMemory,
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- 10 => EFIMemoryAreaType::EfiACPIMemoryNVS,
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- 11 => EFIMemoryAreaType::EfiMemoryMappedIO,
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- 12 => EFIMemoryAreaType::EfiMemoryMappedIOPortSpace,
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- 13 => EFIMemoryAreaType::EfiPalCode,
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- 14 => EFIMemoryAreaType::EfiPersistentMemory,
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- _ => EFIMemoryAreaType::EfiUnknown,
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- }
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- }
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-}
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-
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-impl Default for EFIMemoryDesc {
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- fn default() -> Self {
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- Self {
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- typ: EFIMemoryAreaType::EfiReservedMemoryType.into(),
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- _padding: 0,
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- phys_addr: 0,
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- virt_addr: 0,
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- num_pages: 0,
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- attr: 0,
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- }
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- }
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-}
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-
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/// EFI ExitBootServices was not called
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#[derive(Debug)]
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#[repr(C)]
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Philipp Schuster