36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
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use alloc::vec::Vec;
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use uefi::{prelude::*, CStr16, CString16, Result};
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use crate::linux_loader::InitrdLoader;
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use crate::pe_loader::Image;
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use crate::pe_section::pe_section_as_string;
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/// Extract a string, stored as UTF-8, from a PE section.
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pub fn extract_string(pe_data: &[u8], section: &str) -> Result<CString16> {
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let string = pe_section_as_string(pe_data, section).ok_or(Status::INVALID_PARAMETER)?;
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Ok(CString16::try_from(string.as_str()).map_err(|_| Status::INVALID_PARAMETER)?)
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}
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/// Boot the Linux kernel without checking the PE signature.
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///
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/// We assume that the caller has made sure that the image is safe to
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/// be loaded using other means.
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pub fn boot_linux_unchecked(
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handle: Handle,
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system_table: SystemTable<Boot>,
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kernel_data: Vec<u8>,
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kernel_cmdline: &CStr16,
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initrd_data: Vec<u8>,
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) -> uefi::Result<()> {
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let kernel =
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Image::load(system_table.boot_services(), &kernel_data).expect("Failed to load the kernel");
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let mut initrd_loader = InitrdLoader::new(system_table.boot_services(), handle, initrd_data)?;
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let status = unsafe { kernel.start(handle, &system_table, kernel_cmdline) };
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initrd_loader.uninstall(system_table.boot_services())?;
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status.to_result()
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}
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