vasilito/RedBear-OS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove commented code.

Browse Source
This commit is contained in:
4lDO2
2022-07-07 19:30:36 +02:00
parent 3dac3d1ed6
commit 6eaec937d7
1 changed files with 0 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/x86_64.rs
-26
View File
@@ -67,32 +67,6 @@ pub unsafe extern "sysv64" fn start() -> ! {
let _ = syscall::mprotect(rodata_start, rodata_end - rodata_start, MapFlags::PROT_READ | MapFlags::MAP_PRIVATE).expect("mprotect failed for .rodata");
let _ = syscall::mprotect(data_start, data_end - data_start, MapFlags::PROT_READ | MapFlags::PROT_WRITE | MapFlags::MAP_PRIVATE).expect("mprotect failed for .data/.bss");
/*const FD_ANONYMOUS: usize = !0;
{
let heap_size = 1024 * 1024;
let heap_start = syscall::fmap(FD_ANONYMOUS, &syscall::Map { offset: 0, address: 0, size: heap_size, flags: MapFlags::MAP_PRIVATE | MapFlags::PROT_READ | MapFlags::PROT_WRITE }).expect("failed to map heap");
crate::ALLOCATOR.0.get().write(linked_list_allocator::Heap::new(heap_start, heap_size));
}
let init_fd = syscall::open("initfs:/bin/init", syscall::O_CLOEXEC | syscall::O_RDONLY).expect("failed to open init");
const STACK_SIZE: usize = 1024 * 1024;
let stack = syscall::fmap(FD_ANONYMOUS, &syscall::Map { offset: 0, address: 0, flags: MapFlags::MAP_PRIVATE | MapFlags::PROT_READ | MapFlags::PROT_WRITE, size: STACK_SIZE }).unwrap();
let stack_top = 1_usize << 48;
memranges.push(syscall::ExecMemRange { address: stack_top - STACK_SIZE, size: STACK_SIZE, flags: MapFlags::PROT_READ | MapFlags::PROT_WRITE, old_address: stack });
// Now, push things such as argv, env (i.e. kernel cmdline when executing init) and auxv.
// TODO: Figure out reason behind subtraction by 256 (inherited from kernel behavior).
let mut target_sp = stack_top - 256;
let actual_sp = (stack + STACK_SIZE) as *mut usize;
let mut push = |value: usize| {
target_sp -= core::mem::size_of::<usize>();
actual_sp = actual_sp.sub(core::mem::size_of::<usize>());
actual_sp.write(value);
};*/
extern "C" {
fn relibc_start(stack: usize);
}