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@ -1,4 +1,6 @@
{ {
"editor.insertSpaces": false,
"editor.detectIndentation": false,
"rust-analyzer.checkOnSave.allTargets": false, "rust-analyzer.checkOnSave.allTargets": false,
"rust-analyzer.showUnlinkedFileNotification": false, "rust-analyzer.showUnlinkedFileNotification": false,
"C_Cpp.errorSquiggles": "disabled" "C_Cpp.errorSquiggles": "disabled"

6
Cargo.lock generated
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@ -213,12 +213,12 @@ dependencies = [
[[package]] [[package]]
name = "hbbytecode" name = "hbbytecode"
version = "0.1.0" version = "0.1.0"
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0" source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#a3355a59c0727e58519a94a8f65013beb9c2331b"
[[package]] [[package]]
name = "hblang" name = "hblang"
version = "0.1.0" version = "0.1.0"
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0" source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#a3355a59c0727e58519a94a8f65013beb9c2331b"
dependencies = [ dependencies = [
"hashbrown", "hashbrown",
"hbbytecode", "hbbytecode",
@ -229,7 +229,7 @@ dependencies = [
[[package]] [[package]]
name = "hbvm" name = "hbvm"
version = "0.1.0" version = "0.1.0"
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0" source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#a3355a59c0727e58519a94a8f65013beb9c2331b"
dependencies = [ dependencies = [
"hbbytecode", "hbbytecode",
] ]

66
STYLE_GUIDE.md Normal file
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@ -0,0 +1,66 @@
# Style Guide
This style guide has two modes that a guideline may be.
`strict` means that prs will be rejected if they do not follow the guideline.
`loose` means that a pr would be accepted but should later be fixed.
## Empty Functions | loose
Empty functions are typically a sign of an unfinished program or driver.
In cases where there is a clear reason to have an empty function it will be allowed.
For example FakeAlloc is only empty functions because it is a example of an the allocator api.
### Allowed
```rust
/// in example.hb
a := fn(): void {}
```
### Not Allowed
```rust
/// in fat32.hb
a := fn(): void {}
```
## Magic Numbers | loose
The policy on magic numbers is make them const and have a comment above them. Typically linking to a source of information about the magic number.
This helps cut down on magic numbers while making acceptable names and atleast half assed documentation.
Constants are inlined anyways, so its the same thing in the binary.
```rust
// The standard vga port is mapped at 0xB8000
$VGA_PTR := 0xB8000
```
## Tabs Vs Spaces | strict
I prefer for hblang code to use hard tabs.
The rational behind this is that a tab is `1 Indent` which some developers might want to be various different sizes when displayed
Soft tabs do not allow this user/editor specific as soft tabs always become spaces.
Bottom line is this is an accessibility feature.
There are some samples below.
```
\t means hard tab
\n means new line
\0x20 means space
```
### Allowed
```rust
if x == y {\n
\tlog(z)\n
}\n
```
### Not Allowed
```rust
if x == y {\n
\0x20\0x20\0x20\0x20log(z)\n
}\n
```

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@ -4,81 +4,25 @@ extern crate syn;
use { use {
proc_macro::TokenStream, proc_macro::TokenStream,
quote::quote, quote::quote,
syn::{parse::Parse, parse_macro_input, Expr, ItemFn, Token} syn::{parse_macro_input, ItemFn}
}; };
struct KtestInput {
lhs: Expr,
_comma: Token![,],
rhs: Expr,
}
impl Parse for KtestInput {
fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
Ok(Self {
lhs: input.parse()?,
_comma: input.parse()?,
rhs: input.parse()?,
})
}
}
#[proc_macro]
pub fn ktest_eq(item: TokenStream) -> TokenStream {
let input = parse_macro_input!(item as KtestInput);
let lhs = input.lhs;
let rhs = input.rhs;
let out = quote! {
if #lhs != #rhs {
return Err(name);
}
};
TokenStream::from(out)
}
#[proc_macro]
pub fn ktest_neq(item: TokenStream) -> TokenStream {
let input = parse_macro_input!(item as KtestInput);
let lhs = input.lhs;
let rhs = input.rhs;
let out = quote! {
if #lhs == #rhs {
return Err(name);
}
};
TokenStream::from(out)
}
#[proc_macro_attribute] #[proc_macro_attribute]
pub fn ktest(_attr: TokenStream, item: TokenStream) -> TokenStream { pub fn ktest(_attr: TokenStream, item: TokenStream) -> TokenStream {
let input = parse_macro_input!(item as ItemFn); let input = parse_macro_input!(item as ItemFn);
let test_name = &input.sig.ident; let test_name = &input.sig.ident;
let test_string = test_name.to_string();
let static_var_name = syn::Ident::new( let static_var_name = syn::Ident::new(
&format!("__ktest_{}", test_name).to_uppercase(), &format!("__ktest_{}", test_name),
test_name.span(), test_name.span(),
); );
let block = &input.block;
let out = quote! { let out = quote! {
#[cfg(feature = "ktest")] // #[cfg(feature = "ktest")]
fn #test_name() -> Result<String, String> { #input
use crate::alloc::string::ToString;
let name = #test_string.to_string();
#block // #[cfg(feature = "ktest")]
return Ok(name);
}
#[cfg(feature = "ktest")]
#[unsafe(link_section = ".note.ktest")] #[unsafe(link_section = ".note.ktest")]
#[used] #[used]
pub static #static_var_name: fn() -> Result<String, String> = #test_name; pub static #static_var_name: fn() = #test_name;
}; };
TokenStream::from(out) TokenStream::from(out)

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@ -22,10 +22,11 @@ use {
pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! { pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
debug!("Entered kmain"); debug!("Entered kmain");
#[cfg(feature = "ktest")] { #[cfg(feature = "ktest")]
use crate::ktest::test_main; {
debug!("Running tests"); use crate::ktest;
test_main(); debug!("TESTING");
ktest::test_main();
loop {} loop {}
} }
@ -75,6 +76,7 @@ pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
"Graphics front ptr {:?}", "Graphics front ptr {:?}",
fb1.address.as_ptr().unwrap() as *const u8 fb1.address.as_ptr().unwrap() as *const u8
); );
log::info!("Started AbleOS");
unsafe { unsafe {
let executor = LazyCell::<Executor>::force_mut(&mut EXECUTOR); let executor = LazyCell::<Executor>::force_mut(&mut EXECUTOR);
@ -131,7 +133,6 @@ pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
executor.run(); executor.run();
}; };
crate::arch::spin_loop() crate::arch::spin_loop()
} }

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@ -1,52 +1,38 @@
use { pub use ktest_macro::ktest;
alloc::string::String, use log::debug;
log::debug,
};
pub use ktest_macro::*;
#[allow(improper_ctypes)]
extern "C" { extern "C" {
static __ktest_start: fn() -> Result<String, String>; static __ktest_start: fn();
static __ktest_end: fn() -> Result<String, String>; static __ktest_end: fn();
} }
// TODO: Implement ktest for arm and riscv (Later problems, see below) // TODO: Get test_fn linker name (may require no_mangle in macro)
// More info on tests (run the rest even if panic)
// Implement ktest for arm and riscv (Later problems, see below)
// Allow for arch specific tests (Leave for now) // Allow for arch specific tests (Leave for now)
// Should panic tests // Allow for ktest test name attr
// Usefull message at the end of testing
pub fn test_main() { pub fn test_main() {
unsafe { unsafe {
let mut current_test = &__ktest_start as *const fn() -> Result<String, String>; let mut current_test = &__ktest_start as *const fn();
let test_end = &__ktest_end as *const fn() -> Result<String, String>; let mut current = 1;
let test_end = &__ktest_end as *const fn();
let mut pass = 0;
let mut fail = 0;
while current_test < test_end { while current_test < test_end {
let test_fn = *current_test; let test_fn = *current_test;
let test_name = test_fn(); debug!("Running test {}", current);
match test_name {
Ok(name) => { test_fn();
debug!("Test: {} passed", name); debug!("Test {} passed", current);
pass += 1;
},
Err(name) => {
debug!("Test: {} failed", name);
fail += 1;
}
}
current_test = current_test.add(1); current_test = current_test.add(1);
current += 1;
} }
debug!("{}/{} tests passed", pass, pass + fail);
} }
} }
#[ktest] #[ktest]
fn trivial_assertion() { pub fn trivial_assertion() {
ktest_eq!(1, 1); assert_eq!(1, 1);
ktest_neq!(0, 1);
} }

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@ -27,12 +27,15 @@ mod handle;
mod holeybytes; mod holeybytes;
mod ipc; mod ipc;
mod kmain; mod kmain;
mod ktest;
mod logger; mod logger;
mod memory; mod memory;
mod task; mod task;
mod utils; mod utils;
// #[cfg(feature = "tests")]
mod ktest;
use alloc::string::ToString;
use versioning::Version; use versioning::Version;
/// Kernel's version /// Kernel's version
@ -45,8 +48,6 @@ pub const VERSION: Version = Version {
#[panic_handler] #[panic_handler]
#[cfg(target_os = "none")] #[cfg(target_os = "none")]
fn panic(info: &core::panic::PanicInfo) -> ! { fn panic(info: &core::panic::PanicInfo) -> ! {
use crate::alloc::string::ToString;
arch::register_dump(); arch::register_dump();
if let Some(loc) = info.location() { if let Some(loc) = info.location() {

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@ -485,7 +485,7 @@ fn run(release: bool, target: Target, do_accel: bool) -> Result<(), Error> {
#[rustfmt::skip] #[rustfmt::skip]
com.args([ com.args([
"-M", "virt", "-M", "virt",
"-cpu", "neoverse-n2", "-cpu", "max",
"-device", "ramfb", "-device", "ramfb",
"-device", "qemu-xhci", "-device", "qemu-xhci",
"-device", "usb-kbd", "-device", "usb-kbd",

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@ -0,0 +1,4 @@
AllocReturn := struct {
byte_count: uint,
ptr: ?^u8,
}

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@ -0,0 +1,79 @@
.{log, panic} := @use("../lib.hb")
alloc_return := @use("alloc_return.hb")
/* the block size is 64 bytes, 64 blocks of 64 bytes.
this will very quickly lead to exhaustion of free blocks.
*/
BlockAlloc := struct {
// hi
state: uint,
ptr: ?^u8,
$init := fn(): Self {
return .(0, null)
}
alloc := fn(self: Self, alloc_type: type, count: uint): alloc_return.AllocReturn {
offset := 1
a := 1
loop {
// a = self.state >> offset
// check if the `offset` bit is 1, if it is move to the next offset
if a == 1 {
offset += 1
log.info("Already Allocated\0")
} else {
// self it to 1 and return the ptr to the allocation
self.state |= a
// return ptr + offset * 64
if self.ptr != null {
return .(64, self.ptr + offset * 64)
} else {
// panic.panic("Allocator is not inited.\0")
// return .(0, null)
}
}
// there are only 64 blocks
if offset >= 64 {
return .(0, null)
}
}
}
dealloc := fn(self: Self, ptr: ^u8, alloc_type: type, count: uint): void {
// size := size_of(alloc_type)*count
size := 64
// get the size alligned to the nearest block
// rounded_size := nearest_block_size_rounded_up(size)
rounded_size := 64
state_bit_start := {
// Do math here to figure out what starting ptr corresponds to what bit
3
}
offset := 0
loop {
if rounded_size > 0 {
// set state_bit_start+offset to 0
// at the end move to the next one
offset += 1
} else {
break
}
rounded_size -= 64
}
return void
}
$deinit := fn(self: Self): void {
self.state = 0
self.ptr = null
}
}
// request a kernel page
// ptr := memory.alloc(1)

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@ -0,0 +1,19 @@
alloc_return := @use("alloc_return.hb")
FakeAlloc := struct {
$init := fn(): Self {
return .()
}
$alloc := fn(self: Self, alloc_type: type, count: uint): alloc_return.AllocReturn {
return .(0, null)
}
$dealloc := fn(self: Self, ptr: ^u8, alloc_type: type, count: uint): void {
return void
}
// Nothing to clean up here
$deinit := fn(self: Self): void {
return void
}
}

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@ -0,0 +1,2 @@
.{BlockAlloc} := @use("block_alloc.hb");
.{FakeAlloc} := @use("fake_alloc.hb")

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@ -0,0 +1,25 @@
allocators := @use("alloc/alloc.hb")
AStruct := struct {
a_field: u8,
}
main := fn():void{
alloc := allocators.FakeAlloc.init()
astruct := alloc.alloc(AStruct, 2)
if astruct.ptr != null{
panic("FakeAlloc actually allocated.")
}
alloc.dealloc(astruct_ptr, AStruct, 2)
alloc.deinit()
balloc := allocators.BlockAlloc.init()
bstruct_ptr := balloc.alloc(AStruct, 2)
if bstruct_ptr == null {
panic("BlockAlloc actually didn't allocate.")
}
balloc.dealloc(bstruct_ptr, AStruct, 2)
balloc.deinit()
}

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@ -0,0 +1,189 @@
/*
* This code is an implementation of the FoldHash algorithm from https://github.com/orlp/foldhash,
* originally written by Orson Peters under the zlib license.
*
* Changes to the original code were made to meet the simplicity requirements of this implementation.
* Behaviour aims to be equivalent but not identical to the original code.
*
* Copyright (c) 2024 Orson Peters
*
* This software is provided 'as-is', without any express or implied warranty. In
* no event will the authors be held liable for any damages arising from the use of
* this software.
*
* Permission is granted to anyone to use this software for any purpose, including
* commercial applications, and to alter it and redistribute it freely, subject to
* the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim
* that you wrote the original software. If you use this software in a product,
* an acknowledgment in the product documentation would be appreciated but is
* not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/;
.{math, random} := @use("../lib.hb")
$ARBITRARY0 := 0x243F6A8885A308D3
$ARBITRARY1 := 0x13198A2E03707344
$ARBITRARY2 := 0xA4093822299F31D0
$ARBITRARY3 := 0x82EFA98EC4E6C89
$ARBITRARY4 := 0x452821E638D01377
$ARBITRARY5 := 0xBE5466CF34E90C6C
$ARBITRARY6 := 0xC0AC29B7C97C50DD
$ARBITRARY7 := 0x3F84D5B5B5470917
$ARBITRARY8 := 0x9216D5D98979FB1B
$ARBITRARY9 := 0xD1310BA698DFB5AC
$FIXED_GLOBAL_SEED := [uint].(ARBITRARY4, ARBITRARY5, ARBITRARY6, ARBITRARY7)
global_seed := 0
u128 := packed struct {a: uint, b: uint}
$folded_multiply := fn(x: uint, y: uint): uint {
lx := @as(u32, @intcast(x))
ly := @as(u32, @intcast(y))
hx := x >> 32
hy := y >> 32
afull := lx * hy
bfull := hx * ly
return afull ^ (bfull << 32 | bfull >> 32)
}
hash_bytes_medium := fn(bytes: ^u8, len: uint, s0: uint, s1: uint, fold_seed: uint): uint {
lo := bytes
end := bytes + len
hi := end - 16
loop if lo >= hi break else {
a := *@as(^uint, @bitcast(lo))
b := *@as(^uint, @bitcast(lo + 8))
c := *@as(^uint, @bitcast(hi))
d := *@as(^uint, @bitcast(hi + 8))
s0 = folded_multiply(a ^ s0, c ^ fold_seed)
s1 = folded_multiply(b ^ s1, d ^ fold_seed)
hi -= 16
lo += 16
}
return s0 ^ s1
}
hash_bytes_long := fn(bytes: ^u8, len: uint, s0: uint, s1: uint, s2: uint, s3: uint, fold_seed: uint): uint {
$chunk_size := 64
chunks := len / chunk_size
remainder := len % chunk_size
ptr := bytes
i := 0
loop if i >= chunks break else {
a := *@as(^uint, @bitcast(ptr))
b := *@as(^uint, @bitcast(ptr + 8))
c := *@as(^uint, @bitcast(ptr + 16))
d := *@as(^uint, @bitcast(ptr + 24))
e := *@as(^uint, @bitcast(ptr + 32))
f := *@as(^uint, @bitcast(ptr + 40))
g := *@as(^uint, @bitcast(ptr + 48))
h := *@as(^uint, @bitcast(ptr + 56))
s0 = folded_multiply(a ^ s0, e ^ fold_seed)
s1 = folded_multiply(b ^ s1, f ^ fold_seed)
s2 = folded_multiply(c ^ s2, g ^ fold_seed)
s3 = folded_multiply(d ^ s3, h ^ fold_seed)
ptr += chunk_size
i += 1
}
s0 ^= s2
s1 ^= s3
if remainder > 0 {
remainder_start := bytes + len - math.max(uint, remainder, 16)
return hash_bytes_medium(remainder_start, math.max(uint, remainder, 16), s0, s1, fold_seed)
}
return s0 ^ s1
}
FoldHasher := struct {
accumulator: uint,
original_seed: uint,
sponge: u128,
sponge_len: u8,
fold_seed: uint,
expand_seed: uint,
expand_seed2: uint,
expand_seed3: uint,
$new := fn(seed: uint): Self {
return .(
seed,
seed,
.(0, 0),
0,
FIXED_GLOBAL_SEED[0],
FIXED_GLOBAL_SEED[1],
FIXED_GLOBAL_SEED[2],
FIXED_GLOBAL_SEED[3],
)
}
default := fn(): Self {
if global_seed == 0 {
// ! consider this "secure enough" for now
global_seed = random.any(uint)
}
return Self.new(global_seed)
}
write := fn(self: ^Self, bytes: ^u8, len: uint): void {
s0 := self.accumulator
s1 := self.expand_seed
if len <= 16 {
if len >= 8 {
s0 ^= *@bitcast(bytes)
s1 ^= *@bitcast(bytes + len - 8)
} else if len >= 4 {
s0 ^= *@as(^u32, @bitcast(bytes))
s1 ^= *@as(^u32, @bitcast(bytes + len - 4))
} else if len > 0 {
lo := *bytes
mid := *(bytes + len / 2)
hi := *(bytes + len - 1)
s0 ^= lo
s1 ^= @as(uint, hi) << 8 | mid
}
self.accumulator = folded_multiply(s0, s1)
} else if len < 256 {
self.accumulator = hash_bytes_medium(bytes, len, s0, s1, self.fold_seed)
} else {
self.accumulator = hash_bytes_long(
bytes,
len,
s0,
s1,
self.expand_seed2,
self.expand_seed3,
self.fold_seed,
)
}
}
finish := fn(self: ^Self): uint {
if self.sponge_len > 0 {
return folded_multiply(self.sponge.b ^ self.accumulator, self.sponge.a ^ self.fold_seed)
} else {
return self.accumulator
}
}
reset := fn(self: ^Self): void {
self.accumulator = self.original_seed
self.sponge = .(0, 0)
self.sponge_len = 0
}
}

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@ -0,0 +1,2 @@
//! NON CRYPTOGRAPHIC HASHER
foldhash := @use("foldhash.hb")

View file

@ -1,4 +1,6 @@
acs := @use("acs.hb") acs := @use("acs.hb")
allocators := @use("alloc/lib.hb")
hashers := @use("hash/lib.hb")
string := @use("string.hb") string := @use("string.hb")
log := @use("log.hb") log := @use("log.hb")
memory := @use("memory.hb") memory := @use("memory.hb")

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@ -0,0 +1 @@
# alloc_test

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@ -0,0 +1,11 @@
[package]
name = "alloc_test"
authors = [""]
[dependants.libraries]
[dependants.binaries]
hblang.version = "1.0.0"
[build]
command = "hblang src/main.hb"

View file

@ -0,0 +1,28 @@
stn := @use("../../../libraries/stn/src/lib.hb");
.{allocators, panic, log} := stn
AStruct := struct {
a_field: u8,
}
main := fn(): void {
// alloc := allocators.FakeAlloc.init()
// astruct := alloc.alloc(AStruct, 2)
// if astruct.ptr != null{
// panic.panic("FakeAlloc actually allocated.")
// }
// alloc.dealloc(&astruct.ptr, AStruct, 2)
// alloc.deinit()
balloc := allocators.BlockAlloc.init()
defer balloc.deinit()
bstruct := balloc.alloc(AStruct, 2)
if bstruct.ptr == null {
log.info("Hi\0")
// panic.panic("BlockAlloc actually didn't allocate.")
} else {
log.info("Allocator functioned.\0")
}
// balloc.dealloc(bstruct_ptr, AStruct, 2)
return
}

View file

@ -0,0 +1,11 @@
[package]
name = "hash_test"
authors = [""]
[dependants.libraries]
[dependants.binaries]
hblang.version = "1.0.0"
[build]
command = "hblang src/main.hb"

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@ -0,0 +1,31 @@
.{hashers, log, memory, string} := @use("../../../libraries/stn/src/lib.hb")
main := fn(): void {
buffer := memory.request_page(1)
target := "abcdefghijklmnop\0"
strings := [^u8].("abcdefshijklmnop\0", "abcdefghijklnnop\0", "abcdefshijklmnop\0", "abcdefghijklmnop\0", "abcdefghijflmnop\0", "dbcdefghijklmnop\0", "abcdefghijklmnop\0")
len := @sizeof(@TypeOf(strings)) / @sizeof(^u8)
strlen := string.length(target)
// hasher := hashers.foldhash.FoldHasher.new(1)
hasher := hashers.foldhash.FoldHasher.default()
hasher.write(target, strlen)
correct := hasher.finish()
log.warn("target:\0")
log.warn(target)
i := 0
loop if i == len break else {
defer i += 1
hasher.reset()
hasher.write(strings[i], strlen)
d := hasher.finish()
if d == correct {
log.warn("match found\0")
}
log.info(strings[i])
log.debug(string.display_int(@bitcast(d), buffer, 16))
string.clear(buffer)
}
}

View file

@ -1 +1 @@
.{example: main} := @use("./examples/text.hb") .{example: main} := @use("./examples/orbit.hb")

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@ -28,20 +28,26 @@ resolution = "1024x768x24"
# [boot.limine.ableos.modules.horizon] # [boot.limine.ableos.modules.horizon]
# path = "boot:///horizon.hbf" # path = "boot:///horizon.hbf"
[boot.limine.ableos.modules.ps2_mouse_driver] # [boot.limine.ableos.modules.ps2_mouse_driver]
path = "boot:///ps2_mouse_driver.hbf" # path = "boot:///ps2_mouse_driver.hbf"
# [boot.limine.ableos.modules.ps2_keyboard_driver] # [boot.limine.ableos.modules.ps2_keyboard_driver]
# path = "boot:///ps2_keyboard_driver.hbf" # path = "boot:///ps2_keyboard_driver.hbf"
[boot.limine.ableos.modules.sunset_client] # [boot.limine.ableos.modules.sunset_client]
path = "boot:///sunset_client.hbf" # path = "boot:///sunset_client.hbf"
[boot.limine.ableos.modules.sunset_client_2] # [boot.limine.ableos.modules.sunset_client_2]
path = "boot:///sunset_client_2.hbf" # path = "boot:///sunset_client_2.hbf"
[boot.limine.ableos.modules.sunset_server] # [boot.limine.ableos.modules.sunset_server]
path = "boot:///sunset_server.hbf" # path = "boot:///sunset_server.hbf"
# [boot.limine.ableos.modules.processes] # [boot.limine.ableos.modules.processes]
# path = "boot:///processes.hbf" # path = "boot:///processes.hbf"
# [boot.limine.ableos.modules.alloc_test]
# path = "boot:///alloc_test.hbf"
[boot.limine.ableos.modules.alloc_test]
path = "boot:///hash_test.hbf"