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aarch64: Enable UEFI image loading

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Implemented an architecture specific function for loading UEFI binary.

Changed the logic of loading kernel image:
1. First try to load the image as kernel in PE format;
2. If failed, try again to load it as formatless UEFI binary.

Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
This commit is contained in:
Jianyong Wu
2021-04-19 15:50:46 +08:00
committed by Xin Wang
parent 6880692a78
commit b8b5dccfd8
6 changed files with 89 additions and 6 deletions
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7
arch/src/aarch64/mod.rs
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@@ -10,6 +10,8 @@ pub mod gic;
pub mod layout;
/// Logic for configuring aarch64 registers.
pub mod regs;
/// Module for loading UEFI binary.
pub mod uefi;
pub use self::fdt::DeviceInfoForFdt;
use crate::DeviceType;
@@ -182,6 +184,11 @@ pub fn get_kernel_start() -> u64 {
layout::KERNEL_START
}
///Return guest memory address where the uefi should be loaded.
pub fn get_uefi_start() -> u64 {
layout::UEFI_START
}
// Auxiliary function to get the address where the device tree blob is loaded.
fn get_fdt_addr() -> u64 {
layout::FDT_START