XunilGroup/XunilOS
1
0
Fork 0
mirror of https://github.com/XunilGroup/XunilOS.git synced 2026-06-02 13:44:25 +02:00
Code Issues Packages Projects Releases 1 Wiki Activity

Update template to newest version which fixes edk2, make aarch64 compile

Browse Source 
(nothing yet) by stubbing lots of functions and modules, make the frame
allocator and heap multiarch, make kernel panic print inside of serial
on x86_64
This commit is contained in:
csd4ni3l
2026-05-14 18:46:17 +02:00
parent 85e0d45d3c
commit 17f2a3c7e4
30 changed files with 519 additions and 400 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/src/driver/elf/loader.rs
+35 -5
View File
@@ -1,13 +1,43 @@
use core::ptr::null;
#[cfg(target_arch = "x86_64")]
use crate::driver::elf::{
header::{
EI_CLASS, EI_DATA, EI_VERSION, ELF_MAGIC, EM_X86_64, ET_DYN, ET_EXEC, ET_REL, Elf64Ehdr,
},
program::load_program,
};
#[cfg(target_arch = "x86_64")]
use x86_64::structures::paging::OffsetPageTable;
use crate::driver::elf::{
header::{ET_DYN, ET_EXEC, ET_REL, Elf64Ehdr},
program::load_program,
validation::validate_elf,
};
#[cfg(target_arch = "x86_64")]
pub fn validate_elf(elf_header: &Elf64Ehdr, elf_len: usize) -> bool {
#[cfg(target_arch = "x86_64")]
let required_machine = EM_X86_64;
#[cfg(target_arch = "aarch64")]
use crate::driver::elf::header::EM_AARCH64;
#[cfg(target_arch = "aarch64")]
let required_machine = EM_AARCH64;
elf_header.e_ident[0..4] == ELF_MAGIC
// 64 bit
&& elf_header.e_ident[EI_CLASS] == 2
// little-endian
&& elf_header.e_ident[EI_DATA] == 1
&& elf_header.e_ident[EI_VERSION] == 1
&& elf_header.e_version == 1
// check architecture
&& elf_header.e_machine == required_machine
// disallow object files
&& [ET_DYN, ET_EXEC].contains(&elf_header.e_type)
// standard elf64
&& elf_header.e_phentsize == 56
&& elf_header.e_phnum != 0 // zero program headers
&& (elf_header.e_phoff + (elf_header.e_phnum*elf_header.e_phentsize) as u64) <= elf_len as u64
}
#[cfg(target_arch = "x86_64")]
pub fn load_file(mapper: &mut OffsetPageTable, elf_bytes: &[u8]) -> (*const u8, u64) {
// elf header size
if elf_bytes.len() < 64 {