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75 changed files with 1509 additions and 1884 deletions
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1107
Cargo.lock generated
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File diff suppressed because it is too large Load diff

8
Cargo.toml
View file

@ -1,9 +1,3 @@
[workspace]
resolver = "2"
members = ["dev", "kernel", "repbuild"]
# [profile.release]
# strip = "symbols"
# codegen-units = 1
# lto = true
# panic = "abort"
members = [ "dev","kernel", "repbuild"]

31
kernel/Cargo.toml
View file

@ -5,32 +5,33 @@ version = "0.2.0"
[dependencies]
embedded-graphics = "0.8"
embedded-graphics = "0.7"
hbvm.git = "https://git.ablecorp.us/ableos/holey-bytes"
log = "0.4"
spin = "0.9"
uart_16550 = "0.2"
slab = { version = "0.4", default-features = false }
uart_16550 = { version = "0.3", features = ["nightly"] }
xml.git = "https://git.ablecorp.us/ableos/ableos_userland"
versioning.git = "https://git.ablecorp.us/ableos/ableos_userland"
# able_graphics_library.git = "https://git.ablecorp.us/ableos/ableos_userland"
hashbrown = { version = "0.14", features = ["nightly"] }
able_graphics_library.git = "https://git.ablecorp.us/ableos/ableos_userland"
hashbrown = "*"
kiam = "0.1.1"
[dependencies.limine]
version = "0.1"
#git = "https://github.com/limine-bootloader/limine-rs"
git = "https://github.com/limine-bootloader/limine-rs"
[dependencies.crossbeam-queue]
version = "0.3"
default-features = false
features = ["alloc", "nightly"]
features = ["alloc"]
# [dependencies.clparse]
# git = "https://git.ablecorp.us/ableos/ableos_userland"
# default-features = false
[dependencies.clparse]
git = "https://git.ablecorp.us/ableos/ableos_userland"
default-features = false
[dependencies.derive_more]
version = "1"
version = "0.99"
default-features = false
features = [
"add",
@ -47,12 +48,12 @@ features = [
[target.'cfg(target_arch = "x86_64")'.dependencies]
x86_64 = "0.15"
x86_64 = "0.14"
x2apic = "0.4"
virtio-drivers = "0.7"
virtio-drivers = "0.4.0"
# rdrand = "*"
rdrand = { version = "0.8", default-features = false }
[target.'cfg(target_arch = "riscv64")'.dependencies]
sbi = "0.2.0"
[target.'cfg(target_arch = "aarch64")'.dependencies]
aarch64-cpu = "9"

4
kernel/src/arch/aarch64/device_info_collector.rs
View file

@ -29,7 +29,7 @@ fn collect_cpu_info(device_tree: &mut DeviceTree) {
}
fn cpu_id() -> (String, u64) {
let mut cpu_id: u64;
let mut cpu_id: u64 = 0;
unsafe {
asm!("mrs {cpu_id}, MIDR_EL1",
cpu_id = out(reg) cpu_id,
@ -41,8 +41,6 @@ fn cpu_id() -> (String, u64) {
// https://raspberrypi.stackexchange.com/questions/117175/how-do-i-read-the-cpuid-in-aarch64-asm
0x410FD034 => "Cortex-A53".to_string(),
0x410FD083 => "Cortex-A72".to_string(),
// the source of this one was checking the cpu id :thinking:
0x410FD493 => "Neoverse N2".to_string(),
_ => "Unknown".to_string(),
};
log::trace!("CPU Name: {cpu_name} - CPU ID: 0x{:X}", cpu_id);

31
kernel/src/arch/aarch64/mod.rs
View file

@ -1,7 +1,6 @@
pub use logging::log;
use {
crate::{allocator, bootmodules::BootModule, kmain::kmain},
alloc::vec::Vec,
core::arch::asm,
limine::FramebufferRequest,
};
@ -42,7 +41,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
static KFILE_REQ: KernelFileRequest = KernelFileRequest::new(0);
static MOD_REQ: ModuleRequest = ModuleRequest::new(0);
let mut bootmodules = Vec::new();
let mut bootmodules = alloc::vec::Vec::new();
if bm.is_some() {
let bm = bm.unwrap();
@ -53,13 +52,18 @@ unsafe extern "C" fn _kernel_start() -> ! {
let raw_bytes = core::slice::from_raw_parts(
file.base.as_ptr().expect("invalid initrd"),
file.length as usize,
);
)
.to_vec();
let file_path = file.path.to_str().unwrap().to_str();
let file_path = alloc::string::String::from_utf8(
file.path.to_str().unwrap().to_bytes().to_vec(),
);
if file_path.is_err() {
panic!("invalid file path: {:?}", file_path);
}
let file_cmd = file.cmdline.to_str().unwrap().to_str();
let file_cmd = alloc::string::String::from_utf8(
file.cmdline.to_str().unwrap().to_bytes().to_vec(),
);
if file_cmd.is_err() {
panic!("invalid module cmd: {:?}", file_cmd);
}
@ -81,7 +85,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
assert_eq!(bm.module_count, bootmodules.len() as u64);
}
kmain(
crate::kmain::kmain(
KFILE_REQ
.get_response()
.get()
@ -95,6 +99,8 @@ unsafe extern "C" fn _kernel_start() -> ! {
.unwrap_or_default(),
bootmodules,
);
spin_loop();
}
pub fn spin_loop() -> ! {
@ -103,19 +109,8 @@ pub fn spin_loop() -> ! {
}
}
/// I am sorry.
static mut A_REAL_RANDOM_U64_I_PROMISE: u64 = 0;
pub fn hardware_random_u64() -> u64 {
if let Some(rng) = aarch64_cpu::asm::random::ArmRng::new() {
if let Some(rnd) = rng.rndr() {
return rnd;
}
}
unsafe {
A_REAL_RANDOM_U64_I_PROMISE += 1;
A_REAL_RANDOM_U64_I_PROMISE
}
0
}
pub fn register_dump() {}

42
kernel/src/arch/riscv64/memory.rs
View file

@ -1,10 +1,8 @@
use core::num;
use {
crate::memory::{MemoryManager, PhysicalAddress, VirtualAddress},
alloc::boxed::Box,
spin::{Mutex, Once},
};
use alloc::boxed::Box;
use spin::{Mutex, Once};
use crate::memory::{MemoryManager, PhysicalAddress, VirtualAddress};
use super::PAGE_SIZE;
@ -30,7 +28,7 @@ impl PageSize {
}
pub struct PageTable {
entries: [PageEntry; 512],
entries: [PageEntry; 512]
}
impl PageTable {
@ -74,14 +72,8 @@ impl PageTable {
/// flags MUST include one or more of the following:
/// Read, Write, Execute
/// The valid bit automatically gets added
pub fn map(
&mut self,
vaddr: VirtualAddress,
paddr: PhysicalAddress,
flags: PageEntryFlags,
page_size: PageSize,
) {
assert!(flags as usize & 0xE != 0);
pub fn map(&mut self, vaddr: VirtualAddress, paddr: PhysicalAddress, flags: PageEntryFlags, page_size: PageSize) {
assert!(flags as usize & 0xe != 0);
let vpn = vaddr.vpns();
let ppn = paddr.ppns();
@ -99,7 +91,7 @@ impl PageTable {
}
let entry = v.addr().as_mut_ptr::<PageEntry>();
v = unsafe { entry.add(vpn[i]).as_mut().unwrap() };
v = unsafe { entry.add(vpn[i]).as_mut().unwrap() };
}
// When we get here, we should be at VPN[0] and v should be pointing to our entry.
@ -113,24 +105,14 @@ impl PageTable {
}
/// Identity maps a page of memory
pub fn identity_map(
&mut self,
addr: PhysicalAddress,
flags: PageEntryFlags,
page_size: PageSize,
) {
pub fn identity_map(&mut self, addr: PhysicalAddress, flags: PageEntryFlags, page_size: PageSize) {
// log::debug!("identity mapped {addr}");
self.map(addr.as_addr().into(), addr, flags, page_size);
}
/// Identity maps a range of contiguous memory
/// This assumes that start <= end
pub fn identity_map_range(
&mut self,
start: PhysicalAddress,
end: PhysicalAddress,
flags: PageEntryFlags,
) {
pub fn identity_map_range(&mut self, start: PhysicalAddress, end: PhysicalAddress, flags: PageEntryFlags) {
log::debug!("start: {start}, end: {end}");
let mut mem_addr = start.as_addr() & !(PAGE_SIZE - 1);
let num_pages = (align_val(end.as_addr(), 12) - mem_addr - 1) / PAGE_SIZE + 1;
@ -160,7 +142,7 @@ impl PageTable {
}
let entry = v.addr().as_mut_ptr::<PageEntry>();
v = unsafe { entry.add(vpn[i]).as_mut().unwrap() };
v = unsafe { entry.add(vpn[i]).as_mut().unwrap() };
}
// If we're here this is an unmapped page
@ -200,7 +182,7 @@ pub enum PageEntryFlags {
Global = 1 << 5,
Access = 1 << 6,
Dirty = 1 << 7,
// for convenience
ReadWrite = Self::Read as usize | Self::Write as usize,
ReadExecute = Self::Read as usize | Self::Execute as usize,
@ -246,7 +228,7 @@ impl PageEntry {
}
fn addr(&self) -> PhysicalAddress {
((self.entry() as usize & !0x3FF) << 2).into()
((self.entry() as usize & !0x3ff) << 2).into()
}
fn destroy(&mut self) {

10
kernel/src/arch/riscv64/mod.rs
View file

@ -1,7 +1,7 @@
mod memory;
use {
alloc::{boxed::Box, vec::Vec},
alloc::boxed::Box,
core::{
arch::{asm, global_asm},
fmt::Write,
@ -95,7 +95,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
in(reg) satp_value,
);
crate::kmain::kmain("baka=9", Vec::new());
crate::kmain::kmain("baka=9", None);
}
/// Spin loop
@ -105,12 +105,6 @@ pub fn spin_loop() -> ! {
}
}
pub fn hardware_random_u64() -> u64 {
0
}
pub fn register_dump() {}
pub fn log(args: core::fmt::Arguments<'_>) -> core::fmt::Result {
SERIAL_CONSOLE.get().unwrap().lock().write_fmt(args)
}

25
kernel/src/arch/x86_64/gdt.rs
View file

@ -11,9 +11,6 @@ use {
pub const DOUBLE_FAULT_IX: u16 = 0;
const STACK_SIZE: usize = 5 * 1024;
const STACK_ALIGNMENT: usize = 4096;
pub unsafe fn init() {
use x86_64::instructions::{
segmentation::{Segment, CS, SS},
@ -35,24 +32,24 @@ struct Selectors {
static TSS: Lazy<TaskStateSegment> = Lazy::new(|| {
let mut tss = TaskStateSegment::new();
let stack_ptr = unsafe {
let layout = alloc::alloc::Layout::from_size_align(STACK_SIZE, STACK_ALIGNMENT)
.expect("Failed to create stack layout");
let stack = alloc::alloc::alloc_zeroed(layout);
VirtAddr::from_ptr(stack) + STACK_SIZE as u64
tss.interrupt_stack_table[usize::from(DOUBLE_FAULT_IX)] = {
const SIZE: usize = 5 * 1024;
let stack = unsafe {
alloc::alloc::alloc_zeroed(
alloc::alloc::Layout::from_size_align(SIZE, 1).expect("stack pointer"),
)
};
VirtAddr::from_ptr(stack) + SIZE
};
tss.interrupt_stack_table[usize::from(DOUBLE_FAULT_IX)] = stack_ptr;
tss
});
static GDT: Lazy<(GlobalDescriptorTable, Selectors)> = Lazy::new(|| {
let mut gdt = GlobalDescriptorTable::new();
let sels = Selectors {
kcode: gdt.append(Descriptor::kernel_code_segment()),
kdata: gdt.append(Descriptor::kernel_data_segment()),
tss: gdt.append(Descriptor::tss_segment(&TSS)),
kcode: gdt.add_entry(Descriptor::kernel_code_segment()),
kdata: gdt.add_entry(Descriptor::kernel_data_segment()),
tss: gdt.add_entry(Descriptor::tss_segment(&TSS)),
};
(gdt, sels)
});

6
kernel/src/arch/x86_64/interrupts.rs
View file

@ -45,9 +45,9 @@ static IDT: Lazy<InterruptDescriptorTable> = Lazy::new(|| {
}
idt.page_fault.set_handler_fn(page_fault);
idt[Interrupt::ApicErr as u8].set_handler_fn(apic_err);
idt[Interrupt::Spurious as u8].set_handler_fn(spurious);
idt[Interrupt::Timer as u8].set_handler_fn(timer);
idt[Interrupt::ApicErr as usize].set_handler_fn(apic_err);
idt[Interrupt::Spurious as usize].set_handler_fn(spurious);
idt[Interrupt::Timer as usize].set_handler_fn(timer);
idt
});

7
kernel/src/arch/x86_64/logging.rs
View file

@ -1,6 +1,11 @@
//! Logging (as in terms of console / serial output)
#![allow(deprecated)]
use {core::fmt::Write, spin::Mutex, uart_16550::SerialPort};
use {
core::fmt::Write,
limine::{TerminalRequest, TerminalResponse},
spin::{Lazy, Mutex},
uart_16550::SerialPort,
};
pub static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) });

47
kernel/src/arch/x86_64/mod.rs
View file

@ -1,6 +1,7 @@
use core::arch::x86_64::{_rdrand64_step, _rdseed64_step};
use {crate::bootmodules::BootModule, core::arch::asm, log::warn};
use {
crate::bootmodules::BootModule, core::arch::asm, embedded_graphics::pixelcolor::Rgb888,
log::warn, rdrand::RdSeed,
};
pub mod memory;
mod cpuid;
@ -142,13 +143,18 @@ unsafe extern "C" fn start() -> ! {
let raw_bytes = core::slice::from_raw_parts(
file.base.as_ptr().expect("invalid initrd"),
file.length as usize,
);
)
.to_vec();
let file_path = file.path.to_str().unwrap().to_str();
let file_path = alloc::string::String::from_utf8(
file.path.to_str().unwrap().to_bytes().to_vec(),
);
if file_path.is_err() {
panic!("invalid file path: {:?}", file_path);
}
let file_cmd = file.cmdline.to_str().unwrap().to_str();
let file_cmd = alloc::string::String::from_utf8(
file.cmdline.to_str().unwrap().to_bytes().to_vec(),
);
if file_cmd.is_err() {
panic!("invalid module cmd: {:?}", file_cmd);
}
@ -189,20 +195,32 @@ unsafe extern "C" fn start() -> ! {
/// Spin loop
pub fn spin_loop() -> ! {
loop {
x86_64::instructions::hlt()
x86_64::instructions::hlt();
}
}
pub fn hardware_random_u64() -> u64 {
let mut out: u64 = 0;
match unsafe { _rdrand64_step(&mut out) } {
1 => out,
_ => {
use {log::trace, rdrand::RdRand};
let gen = RdRand::new();
match gen {
Ok(gen) => {
let ret = gen.try_next_u64().unwrap();
trace!("Random {}", ret);
return ret;
}
Err(err) => {
warn!("RDRand not supported.");
// Try rdseed
match unsafe { _rdseed64_step(&mut out) } {
1 => out,
_ => panic!("Neither RDRand or RDSeed are supported"),
let gen = RdSeed::new();
match gen {
Ok(gen) => {
let ret = gen.try_next_u64().unwrap();
trace!("Random {}", ret);
return ret;
}
Err(err) => {
panic!("Neither RDRand or RDSeed are supported")
}
}
}
}
@ -210,7 +228,6 @@ pub fn hardware_random_u64() -> u64 {
pub fn get_edid() {}
#[allow(unused)]
pub fn register_dump() {
let rax: u64;
let rbx: u64 = 0;

7
kernel/src/arch/x86_64/pci/mod.rs
View file

@ -12,8 +12,7 @@ use crate::alloc::string::ToString;
/// Enumerate PCI devices and run initialisation routines on ones we support
pub fn init(device_tree: &mut DeviceTree) {
device_tree
.devices
device_tree.devices
.insert("Unidentified PCI".to_string(), alloc::vec![]);
let mut devices = alloc::vec![];
@ -24,7 +23,6 @@ pub fn init(device_tree: &mut DeviceTree) {
let id = device_info.device_id.id;
use Vendor::*;
let (dev_type, dev_name) = match (vendor, id) {
(VMWareInc, 1029) => ("GPUs", "SVGAII PCI GPU"),
(Qemu, 4369) => ("GPUs", "QEMU VGA"),
(VirtIO, 4176) => ("GPUs", "VirtIO PCI GPU"),
(CirrusLogic, 184) => ("GPUs", "Cirrus SVGA"), //GD 5446?
@ -271,7 +269,8 @@ impl Display for Vendor {
use core::fmt::Display;
use {crate::device_tree::DeviceTree, x86_64::instructions::port::Port};
use x86_64::instructions::port::Port;
use crate::device_tree::DeviceTree;
#[allow(non_camel_case_types, dead_code)]
#[derive(Debug, Clone, Copy, PartialEq)]

52
kernel/src/bootmodules.rs
View file

@ -1,36 +1,36 @@
use {
// crate::alloc::string::ToString,
alloc::vec::Vec,
// clparse::Arguments,
// core::fmt::{Debug, Display},
// log::trace,
// xml::XMLElement,
crate::alloc::string::ToString,
alloc::{string::String, vec::Vec},
clparse::Arguments,
core::fmt::{Debug, Display},
log::trace,
xml::XMLElement,
};
pub type BootModules<'a> = Vec<BootModule<'a>>;
pub type BootModules = Vec<BootModule>;
pub struct BootModule<'a> {
pub path: &'a str,
pub bytes: &'a [u8],
pub cmd: &'a str,
pub struct BootModule {
pub path: String,
pub bytes: Vec<u8>,
pub cmd: String,
}
impl<'a> BootModule<'a> {
pub fn new(path: &'a str, bytes: &'a [u8], cmd: &'a str) -> Self {
impl BootModule {
pub fn new(path: String, bytes: Vec<u8>, cmd: String) -> Self {
Self { path, bytes, cmd }
}
}
// pub fn build_cmd<T: Display + Debug>(name: T, cmdline: T) -> XMLElement {
// let mut cmdline = cmdline.to_string();
// cmdline.pop();
// cmdline.remove(0);
pub fn build_cmd<T: Display + Debug>(name: T, cmdline: T) -> XMLElement {
let mut cmdline = cmdline.to_string();
cmdline.pop();
cmdline.remove(0);
// let cmd = Arguments::parse(cmdline.to_string()).unwrap();
// trace!("Cmdline: {cmd:?}");
let cmd = Arguments::parse(cmdline.to_string()).unwrap();
trace!("Cmdline: {cmd:?}");
// let mut clo = XMLElement::new(name);
// for (key, value) in cmd.arguments {
// clo.set_attribute(key, value);
// }
// trace!("command line object: {:?}", clo);
// clo
// }
let mut clo = XMLElement::new(name);
for (key, value) in cmd.arguments {
clo.set_attribute(key, value);
}
trace!("command line object: {:?}", clo);
clo
}

150
kernel/src/holeybytes/ecah.rs
View file

@ -1,14 +1,22 @@
//! Environment call handling routines
use crate::holeybytes::kernel_services::{
block_read, dt_msg_handler::dt_msg_handler, logging_service::log_msg_handler,
service_definition_service::sds_msg_handler,
use core::borrow::Borrow;
use crate::{
allocator,
holeybytes::kernel_services::{
block_read,
dt_msg_handler::dt_msg_handler,
logging_service::log_msg_handler,
service_definition_service::{sds_msg_handler, SERVICES},
},
};
use {
super::Vm,
crate::{arch, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
log::{debug, error, info, trace},
super::{mem::Memory, Vm},
crate::{arch, holeybytes::mem, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
alloc::string::String,
log::{debug, error, info, trace, warn},
};
pub fn handler(vm: &mut Vm) {
@ -68,11 +76,11 @@ pub fn handler(vm: &mut Vm) {
match buffer_id {
0 => match sds_msg_handler(vm, mem_addr, length) {
Ok(()) => {}
Err(err) => log::error!("Improper sds format: {err:?}"),
Err(err) => log::error!("Improper sds format"),
},
1 => match log_msg_handler(vm, mem_addr, length) {
Ok(()) => {}
Err(_) => log::error!("Improper log format"),
Err(err) => log::error!("Improper log format"),
},
2 => {
use crate::holeybytes::kernel_services::mem_serve::memory_msg_handler;
@ -80,109 +88,77 @@ pub fn handler(vm: &mut Vm) {
Ok(_) => {}
Err(_) => {}
}
//
}
#[cfg(not(target_arch = "x86_64"))]
3 => info!("TODO: implement whatever buffer 3 does for no x86_64"),
#[cfg(target_arch = "x86_64")]
3 => {
unsafe fn x86_out<T: x86_64::instructions::port::PortWrite>(
address: u16,
value: T,
) {
x86_64::instructions::port::Port::new(address).write(value);
}
unsafe fn x86_in<T: x86_64::instructions::port::PortRead>(address: u16) -> T {
unsafe fn x86_in(address: u16) -> u8 {
x86_64::instructions::port::Port::new(address).read()
}
let msg_vec = block_read(mem_addr, length);
unsafe fn x86_out(address: u16, value: u8) {
x86_64::instructions::port::Port::new(address).write(value);
}
let mut msg_vec = block_read(mem_addr, length);
let msg_type = msg_vec[0];
msg_vec.remove(0);
match msg_type {
0 => 'wow: {
let size = match msg_vec[0] {
0 => 1,
1 => 2,
2 => 4,
_ => {
error!("Tried to write more than 32 bits");
break 'wow;
}
};
let addr = u16::from_le_bytes(msg_vec[1..3].try_into().unwrap());
let value = unsafe {
match size {
1 => x86_in::<u8>(addr) as u64,
2 => x86_in::<u16>(addr) as u64,
4 => x86_in::<u32>(addr) as u64,
_ => panic!("how?"),
}
};
0 => {
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
addr = ((addr) << 8) | addr2;
let value = unsafe { x86_in(addr) };
trace!("Read the value {} from address {}", value, addr);
vm.registers[1] = hbvm::value::Value(value);
vm.registers[1] = hbvm::value::Value(value as u64);
}
1 => 'wow: {
let size = match msg_vec[1] {
0 => 1,
1 => 2,
2 => 4,
_ => {
error!("Tried to write more than 32 bits");
break 'wow;
}
};
let addr = unsafe {
u16::from_le_bytes(msg_vec[1..3].try_into().unwrap_unchecked())
};
trace!("Setting address {}", addr);
unsafe {
match size {
1 => x86_out(addr, msg_vec[3]),
2 => x86_out(
addr,
u16::from_le_bytes(
msg_vec[3..5].try_into().unwrap_unchecked(),
),
),
4 => x86_out(
addr,
u32::from_le_bytes(
msg_vec[3..7].try_into().unwrap_unchecked(),
),
),
_ => panic!("How?"),
}
}
1 => {
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
addr = ((addr) << 8) | addr2;
let value = msg_vec[0];
msg_vec.remove(0);
trace!("Setting the address {} to {}", addr, value);
unsafe { x86_out(addr, value) };
}
_ => {}
}
}
#[cfg(not(target_arch = "x86_64"))]
3 => unimplemented!("TODO: implement whatever buffer 3 does for no x86_64"),
// source of rng
4 => {
// limit to last 32 bits
vm.registers[1] =
hbvm::value::Value(crate::arch::hardware_random_u64() & 0xFFFFFFFF);
}
5 => match dt_msg_handler(vm, mem_addr, length) {
Ok(()) => {}
Err(_) => log::error!("Improper dt query"),
Err(err) => log::error!("Improper dt query"),
},
buffer_id => {
let mut buffs = IPC_BUFFERS.lock();
match buffs.get_mut(&buffer_id) {
Some(buff) => {
let mut msg_vec = Vec::with_capacity(length);
use alloc::vec;
let mut msg_vec = vec![];
for x in 0..(length as isize) {
let xyz = mem_addr as *const u8;
let value = unsafe { xyz.offset(x).read() };
msg_vec.push(value);
}
debug!(
buff.push(msg_vec.clone());
info!(
"Message {:?} has been sent to Buffer({})",
msg_vec, buffer_id
);
buff.push(msg_vec);
}
None => {
log::error!("Access of non-existent buffer {}", buffer_id)
@ -198,12 +174,12 @@ pub fn handler(vm: &mut Vm) {
let max_length = vm.registers[5].cast::<u64>();
let mut buffs = IPC_BUFFERS.lock();
let buff: &mut IpcBuffer;
let mut buff: &mut IpcBuffer;
if buffs.get_mut(&buffer_id).is_some() {
buff = buffs.get_mut(&buffer_id).unwrap();
} else {
// info!("AHHH");
info!("AHHH");
vm.registers[1] = hbvm::value::Value(0);
return;
}
@ -223,7 +199,7 @@ pub fn handler(vm: &mut Vm) {
}
}
debug!("Recieve {:?} from Buffer({})", msg, buffer_id);
info!("Recieve {:?} from Buffer({})", msg, buffer_id);
}
}
5 => {
@ -241,19 +217,13 @@ pub fn handler(vm: &mut Vm) {
vm.registers[3] = x
}
}
// 5
_ => {
log::error!("Syscall unknown {:?}{:?}", ecall_number, vm.registers);
}
}
}
#[derive(Debug)]
pub enum LogError {
NoMessages,
InvalidLogFormat,
}
// use {alloc::vec, log::Record};
// fn memory_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
// let mut val = alloc::vec::Vec::new();
// for _ in 0..4096 {

13
kernel/src/holeybytes/kernel_services/dt_msg_handler.rs
View file

@ -1,22 +1,24 @@
use {
crate::holeybytes::{kernel_services::block_read, Vm},
alloc::{
borrow::ToOwned,
string::{String, ToString},
vec::Vec,
},
log::debug,
};
pub enum DtError {
QueryFailure,
}
pub fn dt_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), DtError> {
let msg_vec = block_read(mem_addr, length);
let mut msg_vec = block_read(mem_addr, length);
let mut bytes: Vec<u8> = Vec::new();
for byte in msg_vec {
if *byte == 0 {
if byte == 0 {
break;
}
bytes.push(*byte)
bytes.push(byte)
}
let query_string = String::from_utf8(bytes).unwrap();
log::trace!("Query {}", query_string);
@ -60,7 +62,10 @@ fn cpu_parse(qt_parse_step_two: Vec<String>) -> u64 {
}
fn framebuffer_parse(qt_parse_step_two: Vec<String>) -> u64 {
use crate::kmain::FB_REQ;
use {
crate::kmain::FB_REQ,
limine::{Framebuffer, NonNullPtr},
};
let fbs = &FB_REQ.get_response().get().unwrap().framebuffers();
let second_fragment: &str = &qt_parse_step_two[1];

17
kernel/src/holeybytes/kernel_services/logging_service.rs
View file

@ -1,20 +1,25 @@
use crate::holeybytes::{kernel_services::block_read, Vm};
use crate::logger::TermLogger;
use {
crate::holeybytes::{kernel_services::block_read, Vm},
alloc::string::String,
};
#[derive(Debug)]
pub enum LogError {
InvalidLogFormat,
}
use log::Record;
use {alloc::vec, log::Record};
pub fn log_msg_handler(_vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
let msg_vec = block_read(mem_addr, length);
pub fn log_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
let mut msg_vec = block_read(mem_addr, length);
let log_level = msg_vec.last().unwrap();
let log_level = msg_vec.pop().unwrap();
let file_name = "None";
let line_number = 0;
match core::str::from_utf8(&msg_vec[..msg_vec.len()]) {
match String::from_utf8(msg_vec) {
Ok(strr) => {
use log::Level::*;
let log_level = match log_level {

72
kernel/src/holeybytes/kernel_services/mem_serve.rs
View file

@ -1,7 +1,9 @@
use {
crate::holeybytes::{kernel_services::block_read, Vm},
alloc::alloc::{alloc_zeroed, dealloc},
core::alloc::Layout,
crate::holeybytes::{
kernel_services::{block_read, mem_serve},
Vm,
},
alloc::alloc::alloc_zeroed,
log::{debug, info},
};
@ -16,10 +18,13 @@ pub enum MemoryQuotaType {
KillQuota = 3,
}
fn alloc_page(vm: &mut Vm, _mem_addr: u64, _length: usize) -> Result<(), MemoryServiceError> {
let ptr = unsafe { alloc_zeroed(Layout::new::<[u8; 4096]>()) };
info!("Block address: {:?}", ptr);
vm.registers[1] = hbvm::value::Value(ptr as u64);
fn alloc_page(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), MemoryServiceError> {
let mut val = alloc::vec::Vec::new();
for _ in 0..4096 {
val.push(0);
}
info!("Block address: {:?}", val.as_ptr());
vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64);
vm.registers[2] = hbvm::value::Value(4096);
Ok(())
}
@ -29,39 +34,34 @@ pub fn memory_msg_handler(
mem_addr: u64,
length: usize,
) -> Result<(), MemoryServiceError> {
let msg_vec = block_read(mem_addr, length);
let mut msg_vec = block_read(mem_addr, length);
let msg_type = msg_vec[0];
msg_vec.remove(0);
match msg_type {
0 => {
let page_count = msg_vec[1];
let mptr_raw: [u8; 8] = msg_vec[2..10].try_into().unwrap();
let page_count = msg_vec[0];
msg_vec.remove(0);
let mptr_raw: [u8; 8] = msg_vec[0..8].try_into().unwrap();
let mptr: u64 = u64::from_le_bytes(mptr_raw);
log::debug!("Allocating {} pages @ {:x}", page_count, mptr);
let ptr = unsafe {
alloc_zeroed(Layout::from_size_align_unchecked(
page_count as usize * 4096,
1,
))
};
vm.registers[1] = hbvm::value::Value(ptr as u64);
log::debug!("Kernel ptr: {:x}", ptr as u64);
let mut val = alloc::vec::Vec::new();
for _ in 0..(page_count as isize * 4096) {
val.push(0);
}
vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64);
log::debug!("Kernel ptr: {:x}", val.as_ptr() as u64);
}
1 => {
let page_count = msg_vec[1];
let page_count = msg_vec[0];
msg_vec.remove(0);
let mptr_raw: [u8; 8] = msg_vec[2..10].try_into().unwrap();
let mptr_raw: [u8; 8] = msg_vec[0..8].try_into().unwrap();
let mptr: u64 = u64::from_le_bytes(mptr_raw);
log::debug!("Deallocating {} pages @ {:x}", page_count, mptr);
unsafe {
dealloc(
mptr as *mut u8,
Layout::from_size_align_unchecked(page_count as usize * 4096, 1),
)
}
}
2 => {
use MemoryQuotaType::*;
@ -72,10 +72,19 @@ pub fn memory_msg_handler(
3 => KillQuota,
_ => NoQuota,
};
let hid_raw: [u8; 8] = msg_vec[2..10].try_into().unwrap();
msg_vec.remove(0);
let hid_raw: [u8; 8] = msg_vec[0..8].try_into().unwrap();
let hid: u64 = u64::from_le_bytes(hid_raw);
let pid_raw: [u8; 8] = msg_vec[10..18].try_into().unwrap();
let pid: u64 = u64::from_le_bytes(pid_raw);
for _ in 0..8 {
msg_vec.remove(0);
}
let pid_raw: [u8; 8] = msg_vec[0..8].try_into().unwrap();
let pid: u64 = u64::from_le_bytes(hid_raw);
for _ in 0..8 {
msg_vec.remove(0);
}
debug!(
"Setting HID-{:x}:PID-{:x}'s quota type to {:?}",
hid, pid, quota_type
@ -84,6 +93,7 @@ pub fn memory_msg_handler(
3 => {
let page_count = msg_vec[0];
log::debug!(" {} pages", page_count);
msg_vec.remove(0);
}
_ => {

14
kernel/src/holeybytes/kernel_services/mod.rs
View file

@ -1,11 +1,17 @@
use core::slice;
use alloc::{vec, vec::Vec};
pub mod dt_msg_handler;
pub mod logging_service;
pub mod mem_serve;
pub mod service_definition_service;
#[inline(always)]
pub fn block_read<'a>(mem_addr: u64, length: usize) -> &'a [u8] {
unsafe { slice::from_raw_parts(mem_addr as *const u8, length) }
pub fn block_read(mem_addr: u64, length: usize) -> Vec<u8> {
let mut msg_vec = vec![];
for x in 0..(length as isize) {
let xyz = mem_addr as *const u8;
let value = unsafe { xyz.offset(x).read() };
msg_vec.push(value);
}
msg_vec
}

33
kernel/src/holeybytes/kernel_services/service_definition_service.rs
View file

@ -1,42 +1,45 @@
use {
crate::{
alloc::string::ToString,
arch::hardware_random_u64,
holeybytes::{kernel_services::block_read, Vm},
ipc::{buffer::IpcBuffer, protocol::Protocol},
ipc::{
buffer::IpcBuffer,
protocol::{self, Protocol},
},
kmain::IPC_BUFFERS,
},
alloc::string::String,
hashbrown::HashMap,
log::{info, trace},
spin::{lazy::Lazy, Mutex},
};
pub struct Services<'a>(HashMap<u64, Protocol<'a>>);
pub struct Services(HashMap<u64, Protocol>);
pub static SERVICES: Lazy<Mutex<Services>> = Lazy::new(|| {
let mut dt = Services(HashMap::new());
dt.0.insert(0, Protocol::void());
Mutex::new(dt)
});
#[derive(Debug)]
pub enum ServiceError {
InvalidFormat,
}
pub fn sds_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), ServiceError> {
let msg_vec = block_read(mem_addr, length);
let mut msg_vec = block_read(mem_addr, length);
let sds_event_type: ServiceEventType = msg_vec[0].into();
msg_vec.remove(0);
// info!("Length {}", msg_vec.len());
use ServiceEventType::*;
match sds_event_type {
CreateService => {
let string =
core::str::from_utf8(&msg_vec[1..]).expect("Our bytes should be valid utf8");
let string = String::from_utf8(msg_vec).expect("Our bytes should be valid utf8");
let ret = sds_create_service(string);
vm.registers[1] = hbvm::value::Value(ret as u64);
}
DeleteService => todo!(),
SearchServices => {
let string =
core::str::from_utf8(&msg_vec[1..]).expect("Our bytes should be valid utf8");
let string = String::from_utf8(msg_vec).expect("Our bytes should be valid utf8");
let ret = sds_search_service(string);
vm.registers[1] = hbvm::value::Value(ret as u64);
}
@ -78,16 +81,16 @@ impl From<u8> for ServiceEventType {
}
}
fn sds_create_service(protocol: &'static str) -> u64 {
fn sds_create_service(protocol: String) -> u64 {
let buff_id = hardware_random_u64();
let mut services = SERVICES.lock();
let mut buffers = IPC_BUFFERS.lock();
let protocol_ = Protocol::from(protocol);
let protocol_ = Protocol::from(protocol.clone());
let mut buff = IpcBuffer::new(false, 0);
services.0.insert(buff_id, protocol_.clone());
buff.protocol = protocol_;
buff.protocol = protocol_.clone();
buffers.insert(buff_id, buff);
trace!("BufferID({}) => {}", buff_id, protocol);
@ -95,13 +98,13 @@ fn sds_create_service(protocol: &'static str) -> u64 {
buff_id
}
fn sds_search_service(protocol: &str) -> u64 {
let services = SERVICES.lock();
let compare = Protocol::from(protocol);
fn sds_search_service(protocol: String) -> u64 {
let mut services = SERVICES.lock();
let compare = Protocol::from(protocol.clone());
for (bid, protocol_canidate) in &services.0 {
trace!("BID-{bid} protocol_canidate {:?}", protocol_canidate);
if protocol_canidate == &compare {
trace!("BufferID({}) => {}", bid, protocol);
trace!("BufferID({}) => {}", bid, protocol.clone());
return *bid;
}
}

15
kernel/src/holeybytes/mem.rs
View file

@ -7,7 +7,7 @@
use hbvm::mem::Address;
fn calc_start_of_page(ptr: u64) -> u64 {
let _page_aligned = false;
let mut page_aligned = false;
if ptr % 4096 == 0 {
// page_aligned = true;
return ptr / 4096;
@ -21,11 +21,11 @@ pub struct Memory {
impl Memory {
#[cfg(target_arch = "x86_64")]
fn read_device(_addr: Address) {
//unsafe {
//
// x86_64::instructions::port::Port::new(addr.get()).read()
//}
fn read_device(addr: Address) {
unsafe {
//
// x86_64::instructions::port::Port::new(addr.get()).read()
}
}
}
@ -37,6 +37,7 @@ impl hbvm::mem::Memory for Memory {
target: *mut u8,
count: usize,
) -> Result<(), hbvm::mem::LoadError> {
use log::{error, info};
if addr.get() % 4096 == 0 {}
core::ptr::copy(addr.get() as *const u8, target, count);
Ok(())
@ -55,6 +56,6 @@ impl hbvm::mem::Memory for Memory {
#[inline]
unsafe fn prog_read<T: Copy>(&mut self, addr: Address) -> T {
(addr.get() as *const T).read()
(addr.get() as *const T).read_unaligned()
}
}

115
kernel/src/holeybytes/mod.rs
View file

@ -3,86 +3,86 @@ mod kernel_services;
mod mem;
use {
alloc::alloc::{alloc_zeroed, dealloc},
core::{
alloc::Layout,
future::Future,
pin::Pin,
task::{Context, Poll},
},
crate::{arch, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
alloc::boxed::Box,
core::{default, future::Future, marker::PhantomData, ptr::NonNull, task::Poll},
hbvm::{
mem::{softpaging::HandlePageFault, Address},
mem::{
softpaging::{icache::ICache, HandlePageFault, SoftPagedMem},
Address, Memory,
},
VmRunError, VmRunOk,
},
log::error,
log::{debug, error, info, trace, warn},
};
const STACK_SIZE: usize = 1024 * 1024;
const TIMER_QUOTIENT: usize = 1000;
const TIMER_QUOTIENT: usize = 100;
type Vm = hbvm::Vm<mem::Memory, TIMER_QUOTIENT>;
pub struct ExecThread {
pub struct ExecThread<'p> {
vm: Vm,
stack_bottom: *mut u8,
_phantom: PhantomData<&'p [u8]>,
}
unsafe impl Send for ExecThread {}
impl ExecThread {
unsafe impl<'p> Send for ExecThread<'p> {}
impl<'p> ExecThread<'p> {
pub fn set_arguments(&mut self, ptr: u64, length: u64) {
self.vm.registers[1] = hbvm::value::Value(ptr);
self.vm.registers[2] = hbvm::value::Value(length);
}
pub unsafe fn new(program: &[u8], entrypoint: Address) -> Self {
let mut vm = Vm::new(
mem::Memory {},
Address::new(program.as_ptr() as u64 + entrypoint.get()),
);
let stack_bottom = allocate_stack();
pub unsafe fn new(program: &'p [u8], entrypoint: Address) -> Self {
let mut vm = unsafe {
Vm::new(
mem::Memory {},
Address::new(program.as_ptr() as u64 + entrypoint.get()),
)
};
let stack_bottom = unsafe { allocate_stack().as_ptr() };
vm.write_reg(254, (stack_bottom as usize + STACK_SIZE - 1) as u64);
ExecThread { vm, stack_bottom }
ExecThread {
vm,
stack_bottom,
_phantom: Default::default(),
}
}
}
impl<'p> Drop for ExecThread {
impl<'p> Drop for ExecThread<'p> {
fn drop(&mut self) {
unsafe { dealloc(self.stack_bottom, stack_layout()) };
unsafe { alloc::alloc::dealloc(self.stack_bottom, stack_layout()) };
}
}
impl<'p> Future for ExecThread {
impl<'p> Future for ExecThread<'p> {
type Output = Result<(), VmRunError>;
#[inline(always)]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
fn poll(
mut self: core::pin::Pin<&mut Self>,
cx: &mut core::task::Context<'_>,
) -> Poll<Self::Output> {
match self.vm.run() {
Err(err) => {
error!("HBVM Error\r\nRegister dump: {:?}", self.vm.registers);
Poll::Ready(Err(err))
}
Ok(VmRunOk::End) => Poll::Ready(Ok(())),
Ok(VmRunOk::Ecall) => {
ecah::handler(&mut self.vm);
cx.waker().wake_by_ref();
Poll::Pending
}
Ok(VmRunOk::Timer) => {
cx.waker().wake_by_ref();
Poll::Pending
log::error!("HBVM Error\r\nRegister dump: {:?}", self.vm.registers,);
return Poll::Ready(Err(err));
}
Ok(VmRunOk::End) => return Poll::Ready(Ok(())),
Ok(VmRunOk::Ecall) => ecah::handler(&mut self.vm),
Ok(VmRunOk::Timer) => (),
Ok(VmRunOk::Breakpoint) => {
error!(
log::error!(
"HBVM Debug breakpoint\r\nRegister dump: {:?}",
self.vm.registers
self.vm.registers,
);
cx.waker().wake_by_ref();
Poll::Pending
}
}
cx.waker().wake_by_ref();
Poll::Pending
}
}
@ -91,22 +91,33 @@ impl HandlePageFault for PageFaultHandler {
fn page_fault(
&mut self,
reason: hbvm::mem::MemoryAccessReason,
_pagetable: &mut hbvm::mem::softpaging::paging::PageTable,
pagetable: &mut hbvm::mem::softpaging::paging::PageTable,
vaddr: hbvm::mem::Address,
size: hbvm::mem::softpaging::PageSize,
dataptr: *mut u8,
) -> bool {
error!("REASON: {reason} vaddr: {vaddr} size: {size:?} Dataptr {dataptr:p}");
) -> bool
where
Self: Sized,
{
log::error!(
"REASON: {reason} \
vaddr: {vaddr} \
size: {size:?} \
Dataptr {dataptr:p}",
);
false
}
}
#[inline(always)]
const fn stack_layout() -> Layout {
unsafe { Layout::from_size_align_unchecked(STACK_SIZE, 4096) }
const fn stack_layout() -> core::alloc::Layout {
unsafe { alloc::alloc::Layout::from_size_align_unchecked(STACK_SIZE, 4096) }
}
#[inline(always)]
fn allocate_stack() -> *mut u8 {
unsafe { alloc_zeroed(stack_layout()) }
fn allocate_stack() -> NonNull<u8> {
let layout = stack_layout();
match NonNull::new(unsafe { alloc::alloc::alloc_zeroed(layout) }) {
Some(ptr) => ptr,
None => alloc::alloc::handle_alloc_error(layout),
}
}

12
kernel/src/ipc/buffer.rs
View file

@ -9,12 +9,12 @@ pub enum BufferTypes {
Bound(ArrayQueue<Message>),
}
/// Interproccess buffer
pub struct IpcBuffer<'a> {
pub protocol: Protocol<'a>,
pub struct IpcBuffer {
pub protocol: Protocol,
pub buffer: BufferTypes,
}
impl<'a> IpcBuffer<'a> {
impl IpcBuffer {
pub fn new(bounded: bool, length: u64) -> Self {
log::debug!(
"New IPCBuffer\r
@ -24,7 +24,7 @@ impl<'a> IpcBuffer<'a> {
length
);
match (bounded, length) {
(false, ..) => {
(false, a) => {
let buftype = BufferTypes::Unbound(SegQueue::new());
Self {
@ -48,9 +48,9 @@ impl<'a> IpcBuffer<'a> {
}
pub fn push(&mut self, msg: Message) {
match &self.buffer {
BufferTypes::Unbound(buff) => buff.push(msg),
BufferTypes::Unbound(buff) => buff.push(msg.clone()),
BufferTypes::Bound(buff) => {
let _ = buff.push(msg);
let _ = buff.push(msg.clone());
}
};
}

13
kernel/src/ipc/protocol.rs
View file

@ -1,6 +1,7 @@
use {
alloc::{string::String, vec::Vec},
hashbrown::HashMap,
log::info,
};
#[derive(Debug, PartialEq, Clone)]
pub struct Type {}
@ -10,11 +11,11 @@ pub struct Funct {
gives: Vec<String>,
}
#[derive(Debug, PartialEq, Clone)]
pub struct Protocol<'a> {
types: HashMap<&'a str, Type>,
fns: HashMap<&'a str, Funct>,
pub struct Protocol {
types: HashMap<String, Type>,
fns: HashMap<String, Funct>,
}
impl<'a> Protocol<'a> {
impl Protocol {
pub fn void() -> Self {
Self {
types: HashMap::new(),
@ -27,8 +28,8 @@ impl<'a> Protocol<'a> {
}
}
impl<'a> From<&'a str> for Protocol<'a> {
fn from(value: &'a str) -> Self {
impl From<String> for Protocol {
fn from(value: alloc::string::String) -> Self {
let mut hm_t = HashMap::new();
hm_t.insert(value, Type {});
Self {

35
kernel/src/kmain.rs
View file

@ -2,25 +2,27 @@
use {
crate::{
arch::hardware_random_u64,
bootmodules::BootModules,
//bootmodules::build_cmd,
arch::{hardware_random_u64, logging::SERIAL_CONSOLE},
bootmodules::{build_cmd, BootModules},
capabilities,
device_tree::DeviceTree,
holeybytes::ExecThread,
ipc::buffer::IpcBuffer,
ipc::buffer::{self, IpcBuffer},
},
alloc::format,
hashbrown::HashMap,
hbvm::mem::Address,
limine::{Framebuffer, FramebufferRequest, NonNullPtr},
log::{debug, info},
log::{debug, info, trace},
spin::{Lazy, Mutex},
xml::XMLElement,
};
pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
debug!("Entered kmain");
// let kcmd = build_cmd("Kernel Command Line", cmdline);
// trace!("Cmdline: {kcmd:?}");
let kcmd = build_cmd("Kernel Command Line", cmdline);
trace!("Cmdline: {kcmd:?}");
// for (i, bm) in boot_modules.iter().enumerate() {
// let name = format!("module-{}", i);
@ -66,18 +68,17 @@ pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
fb1.address.as_ptr().unwrap() as *const u8
);
let mut executor = crate::task::Executor::new(256);
let mut executor = crate::task::Executor::default();
let bm_take = boot_modules.len();
unsafe {
for module in boot_modules.into_iter().take(bm_take) {
let mut cmd = module.cmd;
if cmd.len() > 2 {
// // Remove the quotes
// cmd.remove(0);
// cmd.pop();
cmd = &cmd[1..cmd.len()]
// Remove the quotes
cmd.remove(0);
cmd.pop();
}
let cmd_len = cmd.len() as u64;
let cmd_len = cmd.as_bytes().len() as u64;
log::info!("Spawning {} with arguments \"{}\"", module.path, cmd);
@ -86,10 +87,11 @@ pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
if cmd_len > 0 {
thr.set_arguments(cmd.as_bytes().as_ptr() as u64, cmd_len);
}
if let Err(e) = thr.await {
log::error!("{e:?}");
}
})
});
}
info!("Random number: {}", hardware_random_u64());
@ -106,7 +108,8 @@ pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
});
pub static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
pub type IpcBuffers<'a> = HashMap<u64, IpcBuffer<'a>>;
use alloc::vec::Vec;
pub type IpcBuffers = HashMap<u64, IpcBuffer>;
pub static IPC_BUFFERS: Lazy<Mutex<IpcBuffers>> = Lazy::new(|| {
let mut bufs = HashMap::new();
let log_buffer = IpcBuffer::new(false, 0);

15
kernel/src/lib.rs
View file

@ -1,19 +1,21 @@
//! The ableOS kernel.
//! Named akern.
//! Akern is woefully undersupported at the moment but we are looking to add support improve hardware discovery and make our lives as kernel and operating system developers easier and better
#![no_std]
#![feature(new_uninit)]
#![feature(
abi_x86_interrupt,
alloc_error_handler,
inline_const,
panic_info_message,
pointer_is_aligned,
ptr_sub_ptr,
custom_test_frameworks,
naked_functions,
pointer_is_aligned_to
)]
#![test_runner(crate::test_runner)]
#![cfg_attr(not(debug_assertions), allow(unused, deprecated))]
#![allow(dead_code)]
#![test_runner(crate::test_runner)]
extern crate alloc;
mod allocator;
@ -40,7 +42,6 @@ pub const VERSION: Version = Version {
};
#[panic_handler]
#[cfg(target_os = "none")]
fn panic(info: &core::panic::PanicInfo) -> ! {
arch::register_dump();
@ -53,8 +54,10 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
));
}
let msg = info.message();
let _ = crate::arch::log(format_args!("{msg}\r\n"));
if let Some(msg) = info.message() {
let _ = crate::arch::log(format_args!("{msg}\r\n"));
}
loop {}
}

7
kernel/src/logger.rs
View file

@ -1,4 +1,3 @@
#![allow(deprecated)]
// TODO: Add a logger api with logger levels and various outputs
pub static TERMINAL_LOGGER: Lazy<Mutex<TermLogger>> = Lazy::new(|| Mutex::new(TermLogger::new()));
@ -10,11 +9,7 @@ use {
pub fn init() -> Result<(), SetLoggerError> {
log::set_logger(&crate::logger::Logger)?;
if cfg!(debug_assertions) {
log::set_max_level(log::LevelFilter::Debug);
} else {
log::set_max_level(log::LevelFilter::Info);
}
log::set_max_level(log::LevelFilter::Debug);
Lazy::force(&TERMINAL_LOGGER);

19
kernel/src/memory.rs
View file

@ -1,6 +1,7 @@
//! The Memory Manager
use {alloc::collections::VecDeque, derive_more::*};
use alloc::collections::VecDeque;
use derive_more::*;
pub use crate::arch::PAGE_SIZE;
pub const MAX_ORDER: usize = 10;
@ -43,7 +44,7 @@ pub const MAX_ORDER: usize = 10;
Sum,
UpperHex,
)]
#[display("0x{:x}", _0)]
#[display(fmt = "0x{:x}", _0)]
#[from(forward)]
pub struct VirtualAddress(usize);
@ -54,11 +55,11 @@ impl VirtualAddress {
pub fn vpns(&self) -> [usize; 3] {
[
// [20:12]
(self.0 >> 12) & 0x1FF,
(self.0 >> 12) & 0x1ff,
// [29:21]
(self.0 >> 21) & 0x1FF,
(self.0 >> 21) & 0x1ff,
// [38:30]
(self.0 >> 30) & 0x1FF,
(self.0 >> 30) & 0x1ff,
]
}
@ -113,7 +114,7 @@ impl VirtualAddress {
Sum,
UpperHex,
)]
#[display("0x{:x}", _0)]
#[display(fmt = "0x{:x}", _0)]
#[from(forward)]
pub struct PhysicalAddress(usize);
@ -124,11 +125,11 @@ impl PhysicalAddress {
pub fn ppns(&self) -> [usize; 3] {
[
// [20:12]
(self.0 >> 12) & 0x1FF,
(self.0 >> 12) & 0x1ff,
// [29:21]
(self.0 >> 21) & 0x1FF,
(self.0 >> 21) & 0x1ff,
// [55:30]
(self.0 >> 30) & 0x3FFFFFF,
(self.0 >> 30) & 0x3ffffff,
]
}

194
kernel/src/task.rs
View file

@ -1,20 +1,31 @@
#![allow(unused)]
use {
alloc::{boxed::Box, sync::Arc},
alloc::{boxed::Box, collections::BTreeMap, sync::Arc, task::Wake},
core::{
future::Future,
pin::Pin,
task::{Context, Poll, RawWaker, RawWakerVTable, Waker},
task::{Context, Poll, Waker},
},
crossbeam_queue::SegQueue,
kiam::when,
slab::Slab,
spin::RwLock,
};
static SPAWN_QUEUE: RwLock<Option<SpawnQueue>> = RwLock::new(None);
pub fn spawn(future: impl Future<Output = ()> + Send + 'static) {
match &*SPAWN_QUEUE.read() {
Some(s) => s.push(Task::new(future)),
None => panic!("no task executor is running"),
}
}
pub fn yield_now() -> impl Future<Output = ()> {
struct YieldNow(bool);
impl Future for YieldNow {
type Output = ();
#[inline(always)]
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
if self.0 {
Poll::Ready(())
@ -29,150 +40,101 @@ pub fn yield_now() -> impl Future<Output = ()> {
YieldNow(false)
}
pub struct Executor<F: Future<Output = ()> + Send> {
tasks: Slab<Task<F>>,
task_queue: Arc<TaskQueue>,
#[derive(Default)]
pub struct Executor {
tasks: Slab<Task>,
queue: TaskQueue,
to_spawn: SpawnQueue,
wakers: BTreeMap<TaskId, Waker>,
}
impl<F: Future<Output = ()> + Send> Executor<F> {
pub fn new(size: usize) -> Self {
Self {
tasks: Slab::with_capacity(size),
task_queue: Arc::new(TaskQueue::new()),
}
}
#[inline]
pub fn spawn(&mut self, future: F) {
self.task_queue
.queue
.push(self.tasks.insert(Task::new(future)));
impl Executor {
pub fn spawn(&mut self, future: impl Future<Output = ()> + Send + 'static) {
self.queue
.push(TaskId(self.tasks.insert(Task::new(future))));
}
pub fn run(&mut self) {
let mut task_batch = [0; 32];
let mut batch_len = 0;
{
let mut global_spawner = SPAWN_QUEUE.write();
if global_spawner.is_some() {
panic!("Task executor is already running");
}
*global_spawner = Some(Arc::clone(&self.to_spawn));
}
loop {
self.task_queue.batch_pop(&mut task_batch, &mut batch_len);
when! {
let Some(id) = self
.to_spawn
.pop()
.map(|t| TaskId(self.tasks.insert(t)))
.or_else(|| self.queue.pop())
=> {
let Some(task) = self.tasks.get_mut(id.0) else {
panic!("Attempted to get task from empty slot: {}", id.0);
};
if batch_len == 0 {
if self.task_queue.is_empty() {
break;
} else {
continue;
}
}
let mut cx = Context::from_waker(self.wakers.entry(id).or_insert_with(|| {
Waker::from(Arc::new(TaskWaker {
id,
queue: Arc::clone(&self.queue),
}))
}));
for &id in &task_batch[..batch_len] {
if let Some(task) = self.tasks.get_mut(id) {
let waker = task
.waker
.get_or_insert_with(|| TaskWaker::new(id, Arc::clone(&self.task_queue)));
let waker = unsafe { Waker::from_raw(TaskWaker::into_raw_waker(waker)) };
let mut cx = Context::from_waker(&waker);
if let Poll::Ready(()) = task.poll(&mut cx) {
self.tasks.remove(id);
self.task_queue.free_tasks.push(id);
match task.poll(&mut cx) {
Poll::Ready(()) => {
self.tasks.remove(id.0);
self.wakers.remove(&id);
}
Poll::Pending => (),
}
}
},
self.tasks.is_empty() => break,
_ => (),
}
}
*SPAWN_QUEUE.write() = None;
}
}
struct Task<F: Future<Output = ()> + Send> {
future: Pin<Box<F>>,
waker: Option<TaskWaker>,
struct Task {
future: Pin<Box<dyn Future<Output = ()> + Send>>,
}
impl<F: Future<Output = ()> + Send> Task<F> {
#[inline(always)]
pub fn new(future: F) -> Self {
impl Task {
pub fn new(future: impl Future<Output = ()> + Send + 'static) -> Self {
log::trace!("New task scheduled");
Self {
future: Box::pin(future),
waker: None,
}
}
#[inline(always)]
fn poll(&mut self, cx: &mut Context) -> Poll<()> {
self.future.as_mut().poll(cx)
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
struct TaskId(usize);
type TaskQueue = Arc<SegQueue<TaskId>>;
type SpawnQueue = Arc<SegQueue<Task>>;
struct TaskWaker {
id: usize,
task_queue: Arc<TaskQueue>,
id: TaskId,
queue: TaskQueue,
}
impl TaskWaker {
#[inline(always)]
fn new(id: usize, task_queue: Arc<TaskQueue>) -> Self {
Self { id, task_queue }
impl Wake for TaskWaker {
fn wake(self: Arc<Self>) {
log::trace!("Woke Task-{:?}", self.id);
self.wake_by_ref();
}
#[inline(always)]
fn wake(&self) {
self.task_queue.queue.push(self.id);
}
fn into_raw_waker(waker: &TaskWaker) -> RawWaker {
let ptr = waker as *const TaskWaker;
RawWaker::new(ptr.cast(), &VTABLE)
}
}
const VTABLE: RawWakerVTable = RawWakerVTable::new(clone_raw, wake_raw, wake_by_ref_raw, drop_raw);
unsafe fn clone_raw(ptr: *const ()) -> RawWaker {
let waker = &*(ptr as *const TaskWaker);
TaskWaker::into_raw_waker(waker)
}
unsafe fn wake_raw(ptr: *const ()) {
let waker = &*(ptr as *const TaskWaker);
waker.wake();
}
unsafe fn wake_by_ref_raw(ptr: *const ()) {
let waker = &*(ptr as *const TaskWaker);
waker.wake();
}
unsafe fn drop_raw(_: *const ()) {}
struct TaskQueue {
queue: SegQueue<usize>,
next_task: usize,
free_tasks: SegQueue<usize>,
}
impl TaskQueue {
fn new() -> Self {
Self {
queue: SegQueue::new(),
next_task: 0,
free_tasks: SegQueue::new(),
}
}
#[inline(always)]
fn batch_pop(&self, output: &mut [usize], len: &mut usize) {
*len = 0;
while let Some(id) = self.queue.pop() {
output[*len] = id;
*len += 1;
if *len == output.len() {
break;
}
}
}
#[inline(always)]
fn is_empty(&self) -> bool {
self.queue.is_empty()
fn wake_by_ref(self: &Arc<Self>) {
self.queue.push(self.id);
}
}

21
repbuild/Cargo.toml
View file

@ -4,26 +4,15 @@ version = "0.2.0"
edition = "2021"
[dependencies]
str-reader = "0.1"
derive_more = { version = "1", default-features = false, features = [
"add",
"add_assign",
"constructor",
"display",
"from",
"into",
"mul",
"mul_assign",
"not",
"sum",
] }
error-stack = "0.5"
str-reader = "0.1.2"
derive_more = "0.99"
error-stack = "0.4"
fatfs = "0.3"
toml = "0.8"
toml = "0.5.2"
# hbasm.git = "https://git.ablecorp.us/AbleOS/holey-bytes.git"
hblang.git = "https://git.ablecorp.us/AbleOS/holey-bytes.git"
[dependencies.reqwest]
version = "0.12"
version = "0.11"
default-features = false
features = ["rustls-tls", "blocking"]

15
repbuild/src/dev.rs
View file

@ -1,4 +1,3 @@
#![allow(unused)]
use std::{
fmt::format,
fs::{read_to_string, File},
@ -86,17 +85,9 @@ impl Package {
Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => (),
Err(e) => panic!("{}", e),
}
std::fs::write(format!("target/programs/{}.hbf", self.name), &bytes).unwrap();
bytes.clear();
let _ = hblang::run_compiler(
&path,
Options {
dump_asm: true,
..Default::default()
},
&mut bytes,
);
std::fs::write(format!("target/programs/{}.hba", self.name), &bytes).unwrap();
let path = format!("target/programs/{}.hbf", self.name);
let mut file = File::create(path).unwrap();
file.write_all(&bytes).unwrap();
}
}
}

47
repbuild/src/main.rs
View file

@ -1,5 +1,3 @@
// #![allow(unused)]
mod dev;
use {
@ -8,7 +6,7 @@ use {
error_stack::{bail, report, Context, Report, Result, ResultExt},
fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
std::{
// fmt::Display,
fmt::Display,
fs::{self, File},
io::{self, Write},
path::Path,
@ -24,13 +22,10 @@ fn main() -> Result<(), Error> {
match args.next().as_deref() {
Some("build" | "b") => {
let mut release = false;
let mut debuginfo = false;
let mut target = Target::X86_64;
for arg in args {
if arg == "-r" || arg == "--release" {
release = true;
} else if arg == "-d" || arg == "--debuginfo" {
debuginfo = true;
} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
target = Target::Riscv64Virt;
} else if arg == "arm64" || arg == "aarch64" || arg == "aarch64-virt" {
@ -40,17 +35,14 @@ fn main() -> Result<(), Error> {
}
}
build(release, target, debuginfo).change_context(Error::Build)
build(release, target).change_context(Error::Build)
}
Some("run" | "r") => {
let mut release = false;
let mut debuginfo = false;
let mut target = Target::X86_64;
for arg in args {
if arg == "-r" || arg == "--release" {
release = true;
} else if arg == "-d" || arg == "--debuginfo" {
debuginfo = true;
} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
target = Target::Riscv64Virt;
} else if arg == "arm64" || arg == "aarch64" || arg == "aarch64-virt" {
@ -60,7 +52,7 @@ fn main() -> Result<(), Error> {
}
}
build(release, target, debuginfo)?;
build(release, target)?;
run(release, target)
}
Some("help" | "h") => {
@ -195,7 +187,7 @@ TERM_BACKDROP={}
let modules = value.get_mut("modules").unwrap().as_table_mut().unwrap();
// let mut real_modules = modules.clone();
modules.into_iter().for_each(|(_, value)| {
modules.into_iter().for_each(|(key, value)| {
if value.is_table() {
let path = get_path_without_boot_prefix(
value.get("path").expect("You must have `path` as a value"),
@ -244,7 +236,7 @@ TERM_BACKDROP={}
let bootdir = fs.root_dir().create_dir("efi")?.create_dir("boot")?;
let mut f = fs.root_dir().create_file("limine.cfg")?;
let _ = f.write(limine_str.as_bytes())?;
let a = f.write(limine_str.as_bytes())?;
drop(f);
io::copy(
@ -278,7 +270,7 @@ fn copy_file_to_img(fpath: &str, fs: &FileSystem<File>) {
.expect("Copy failed");
}
fn build(release: bool, target: Target, debuginfo: bool) -> Result<(), Error> {
fn build(release: bool, target: Target) -> Result<(), Error> {
let fs = get_fs().change_context(Error::Io)?;
let mut com = Command::new("cargo");
com.current_dir("kernel");
@ -286,9 +278,6 @@ fn build(release: bool, target: Target, debuginfo: bool) -> Result<(), Error> {
if release {
com.arg("-r");
}
if debuginfo {
com.env("RUSTFLAGS", "-Cdebug-assertions=true");
}
if target == Target::Riscv64Virt {
com.args(["--target", "targets/riscv64-virt-ableos.json"]);
@ -370,7 +359,7 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
#[rustfmt::skip]
com.args([
"-M", "virt",
"-cpu", "neoverse-n2",
"-cpu", "cortex-a72",
"-device", "ramfb",
"-device", "qemu-xhci",
"-device", "usb-kbd",
@ -429,11 +418,11 @@ fn fetch_ovmf(target: Target) -> Result<String, OvmfFetchError> {
#[derive(Debug, Display)]
enum OvmfFetchError {
#[display("Failed to fetch OVMF package")]
#[display(fmt = "Failed to fetch OVMF package")]
Fetch,
#[display("No OVMF package available")]
#[display(fmt = "No OVMF package available")]
Empty,
#[display("IO Error")]
#[display(fmt = "IO Error")]
Io,
}
@ -446,28 +435,26 @@ enum Target {
Aarch64,
}
#[allow(unused)]
#[derive(Debug, Display)]
enum Error {
#[display("Failed to build the kernel")]
#[display(fmt = "Failed to build the kernel")]
Build,
#[display("Missing or invalid subcommand (available: build, run)")]
#[display(fmt = "Missing or invalid subcommand (available: build, run)")]
InvalidSubCom,
#[display("IO Error")]
#[display(fmt = "IO Error")]
Io,
#[display("Failed to spawn a process")]
#[display(fmt = "Failed to spawn a process")]
ProcessSpawn,
#[display("Failed to fetch UEFI firmware")]
#[display(fmt = "Failed to fetch UEFI firmware")]
OvmfFetch,
#[display("Failed to assemble Holey Bytes code")]
#[display(fmt = "Failed to assemble Holey Bytes code")]
Assembler,
#[display("QEMU Error: {}", "fmt_qemu_err(*_0)")]
#[display(fmt = "QEMU Error: {}", "fmt_qemu_err(*_0)")]
Qemu(Option<i32>),
}
impl Context for Error {}
#[allow(dead_code)]
fn fmt_qemu_err(e: Option<i32>) -> impl Display {
struct W(Option<i32>);
impl Display for W {

2
rust-toolchain.toml
View file

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2024-07-27"
channel = "nightly-2024-05-17"
components = ["rust-src", "llvm-tools"]

28
sysdata/libraries/ignim/src/errors.hb
View file

@ -1,14 +1,16 @@
OutOfHostMemory := -1
OutOfDeviceMemory := -2
InitializationFailed := -3
DeviceLost := -4
MemoryMapFailed := -5
// the 0- thing is scuffed
LayerNotPresent := -6
ExtensionNotPresent := -7
FeatureNotPresent := -8
IncompatibleDriver := -9
TooManyObjects := -10
FormatNotSupported := -11
FragmentedPool := -12
Unknown := -13
OutOfHostMemory := 0 - 1
OutOfDeviceMemory := 0 - 2
InitializationFailed := 0 - 3
DeviceLost := 0 - 4
MemoryMapFailed := 0 - 5
LayerNotPresent := 0 - 6
ExtensionNotPresent := 0 - 7
FeatureNotPresent := 0 - 8
IncompatibleDriver := 0 - 9
TooManyObjects := 0 - 10
FormatNotSupported := 0 - 11
FragmentedPool := 0 - 12
Unknown := 0 - 13

9
sysdata/libraries/render/README.md
View file

@ -1,9 +0,0 @@
Rendering interface for SVGA and Software renderers
# TODO:
- SVGA Driver
- needs pci driver
- needs init (requiring program)
- Double Buffer mode for Software renderer
- needs init (requiring program)

47
sysdata/libraries/render/src/lib.hb
View file

@ -1,47 +0,0 @@
svga := @use("rel:svga.hb")
software := @use("rel:software.hb")
// default mode
mode := software
init := mode.init
doublebuffer := mode.doublebuffer
// Colours
Color := mode.Color
white := mode.white
black := mode.black
gray := mode.gray
red := mode.red
green := mode.green
yellow := mode.yellow
blue := mode.blue
magenta := mode.magenta
cyan := mode.cyan
light_gray := mode.light_gray
light_red := mode.light_red
light_green := mode.light_green
light_yellow := mode.light_yellow
light_blue := mode.light_blue
light_magenta := mode.light_magenta
light_cyan := mode.light_cyan
// Drawing
put_pixel := mode.put_pixel
put_rect := mode.put_rect
put_filled_rect := mode.put_filled_rect
put_line := mode.put_line
clear := mode.clear
// Display
width := mode.width
height := mode.height
dimensions := mode.dimensions
set_height := mode.set_height
set_width := mode.set_width
set_dimensions := mode.set_dimensions
sync := mode.sync
// Math
UVec2 := struct {x: uint, y: uint}
IVec2 := struct {x: int, y: int}

261
sysdata/libraries/render/src/software.hb
View file

@ -1,261 +0,0 @@
.{math, memory} := @use("../../stn/src/lib.hb");
.{dt_get} := @use("../../dt_api/src/lib.hb");
.{IVec2} := @use("rel:lib.hb")
Color := struct {b: u8, g: u8, r: u8, a: u8}
white := Color.(255, 255, 255, 255)
black := Color.(0, 0, 0, 255)
gray := Color.(127, 127, 127, 255)
red := Color.(0, 0, 205, 255)
green := Color.(0, 205, 0, 255)
yellow := Color.(0, 205, 205, 255)
blue := Color.(205, 0, 0, 255)
magenta := Color.(205, 0, 205, 255)
cyan := Color.(205, 205, 0, 255)
light_gray := Color.(229, 229, 229, 255)
light_red := Color.(0, 0, 255, 255)
light_green := Color.(0, 255, 0, 255)
light_yellow := Color.(0, 255, 255, 255)
light_blue := Color.(255, 0, 0, 255)
light_magenta := Color.(255, 0, 255, 255)
light_cyan := Color.(255, 255, 0, 255)
// might not work for some resolutions, but needs to be comptime because...
copy_pixels := 0xC000 >> 2
ctx := @as(Context, idk)
// some of these are redudant holdovers from fb_driver
// will keep them for future work if necessary
Context := struct {
fb: ^Color,
bb: ^Color,
buf: ^Color,
width: int,
height: int,
partitions: int,
pixels: int,
bb_pages: int,
double_buffer: bool,
}
init := fn(): void {
width := dt_get("framebuffer/fb0/width\0")
height := dt_get("framebuffer/fb0/height\0")
// width := 1024
// height := 768
pixels := width * height
bytes := pixels << 2
partitions := pixels / copy_pixels
pages := 1 + bytes >> 12
back_buffer := create_back_buffer(pages)
ctx = Context.{
fb: dt_get("framebuffer/fb0/ptr\0"),
bb: back_buffer,
buf: back_buffer,
width,
height,
partitions,
pixels,
bb_pages: pages,
double_buffer: true,
}
return
}
doublebuffer := fn(enable: bool): void {
if enable {
ctx.buf = ctx.bb
} else {
ctx.buf = ctx.fb
}
ctx.double_buffer = enable
return
}
create_back_buffer := fn(pages: int): ^Color {
if pages <= 0xFF {
return @bitcast(@inline(memory.request_page, pages))
}
ptr := @inline(memory.request_page, 255)
remaining := pages - 0xFF
loop if remaining <= 0 break else {
if remaining < 0xFF {
memory.request_page(remaining)
} else {
memory.request_page(0xFF)
}
remaining -= 0xFF
}
return @bitcast(ptr)
}
clear := fn(color: Color): void {
cursor := ctx.buf
boundary := cursor + 512
loop if cursor == boundary break else {
*cursor = color
cursor += 1
}
boundary += 512 * 7
loop if cursor == boundary break else {
*@as(^[Color; 512], @bitcast(cursor)) = *@as(^[Color; 512], @bitcast(ctx.buf))
cursor += 512
}
boundary += copy_pixels - 4096
loop if cursor == boundary break else {
*@as(^[Color; 4096], @bitcast(cursor)) = *@as(^[Color; 4096], @bitcast(ctx.buf))
cursor += 4096
}
boundary += (ctx.partitions - 1) * copy_pixels
loop if cursor == boundary break else {
*@as(^[Color; copy_pixels], @bitcast(cursor)) = *@as(^[Color; copy_pixels], @bitcast(ctx.buf))
cursor += @sizeof([u8; copy_pixels])
}
return
}
sync := fn(): void {
if ctx.double_buffer {
bb := ctx.buf
fb := ctx.fb
boundary := bb + ctx.pixels
loop if bb == boundary break else {
*@as(^[Color; copy_pixels], @bitcast(fb)) = *@as(^[Color; copy_pixels], @bitcast(bb))
bb += copy_pixels
fb += copy_pixels
}
}
return
}
width := fn(): int {
return ctx.width
}
height := fn(): int {
return ctx.height
}
screenidx := fn(x: int, y: int): int {
return x + ctx.width * y
}
put_pixel := fn(pos: IVec2, color: Color): void {
*(ctx.buf + @inline(screenidx, pos.x, pos.y)) = color
return
}
put_filled_rect := fn(pos: IVec2, tr: IVec2, color: Color): void {
x := pos.x
y := pos.y
end := pos + tr
loop if x == end.x break else {
loop if y == end.y break else {
*(ctx.buf + @inline(screenidx, x, y)) = color
y += 1
}
x += 1
y = pos.y
}
return
}
put_rect := fn(pos: IVec2, tr: IVec2, color: Color): void {
x := pos.x
y := pos.y
end := pos + tr
loop if y == end.y break else {
*(ctx.buf + @inline(screenidx, x, y)) = color;
*(ctx.buf + @inline(screenidx, x + tr.x, y)) = color
y += 1
}
y = pos.y
loop if x == end.x break else {
*(ctx.buf + @inline(screenidx, x, y)) = color;
*(ctx.buf + @inline(screenidx, x, y + tr.y)) = color
x += 1
}
return
}
put_line_low := fn(p0: IVec2, p1: IVec2, color: Color): void {
dx := p1.x - p0.x
dy := p1.y - p0.y
yi := 1
if dy < 0 {
yi = -1
dy = -dy
}
D := 2 * dy - dx
y := p0.y
x := p0.x
loop if x == p1.x break else {
*(ctx.buf + @inline(screenidx, x, y)) = color
if D > 0 {
y += yi
D += 2 * (dy - dx)
} else {
D += 2 * dy
}
x += 1
}
return
}
put_line_high := fn(p0: IVec2, p1: IVec2, color: Color): void {
dx := p1.x - p0.x
dy := p1.y - p0.y
xi := 1
if dy < 0 {
xi = -1
dx = -dx
}
D := 2 * dx - dy
x := p0.x
y := p0.y
loop if y == p1.y break else {
*(ctx.buf + @inline(screenidx, x, y)) = color
if D > 0 {
x += xi
D += 2 * (dx - dy)
} else {
D += 2 * dx
}
y += 1
}
return
}
put_line := fn(p0: IVec2, p1: IVec2, color: Color): void {
if @inline(math.abs, p1.y - p0.y) < @inline(math.abs, p1.x - p0.x) {
if p0.x > p1.x {
@inline(put_line_low, p1, p0, color)
} else {
@inline(put_line_low, p0, p1, color)
}
} else {
if p0.y > p1.y {
@inline(put_line_high, p1, p0, color)
} else {
@inline(put_line_high, p0, p1, color)
}
}
return
}
set_height := fn(new: int): void {
return
}
set_width := fn(new: int): void {
return
}
dimensions := fn(): IVec2 {
return .(ctx.width, ctx.height)
}
set_dimensions := fn(new: IVec2): void {
return
}

80
sysdata/libraries/render/src/svga.hb
View file

@ -1,80 +0,0 @@
.{IVec2} := @use("rel:lib.hb")
// .{pci, memory, string, log} := @use("../../stn/src/lib.hb");
Color := struct {b: u8, g: u8, r: u8, a: u8}
white := Color.(255, 255, 255, 255)
black := Color.(0, 0, 0, 255)
gray := Color.(127, 127, 127, 255)
red := Color.(0, 0, 205, 255)
green := Color.(0, 205, 0, 255)
yellow := Color.(0, 205, 205, 255)
blue := Color.(205, 0, 0, 255)
magenta := Color.(205, 0, 205, 255)
cyan := Color.(205, 205, 0, 255)
light_gray := Color.(229, 229, 229, 255)
light_red := Color.(0, 0, 255, 255)
light_green := Color.(0, 255, 0, 255)
light_yellow := Color.(0, 255, 255, 255)
light_blue := Color.(255, 0, 0, 255)
light_magenta := Color.(255, 0, 255, 255)
light_cyan := Color.(255, 255, 0, 255)
clear := fn(color: Color): void {
return
}
width := fn(): int {
return 0
}
height := fn(): int {
return 0
}
dimensions := fn(): IVec2 {
return .(0, 0)
}
put_pixel := fn(position: IVec2, color: Color): void {
return
}
put_filled_rect := fn(pos: IVec2, tr: IVec2, color: Color): void {
return
}
put_rect := fn(pos: IVec2, tr: IVec2, color: Color): void {
return
}
put_line_low := fn(p0: IVec2, p1: IVec2, color: Color): void {
return
}
// do not use, use line() instead
put_line_high := fn(p0: IVec2, p1: IVec2, color: Color): void {
return
}
put_line := fn(p0: IVec2, p1: IVec2, color: Color): void {
return
}
set_height := fn(new: int): void {
return
}
set_width := fn(new: int): void {
return
}
set_dimensions := fn(new: IVec2): void {
return
}
sync := fn(): void {
return
}
init := fn(): void {
return
}

11
sysdata/libraries/stn/src/buffer.hb
View file

@ -4,20 +4,21 @@ receive_message := fn(buffer_id: int, memory_map_location: ^u8, length: int): ^u
return @eca(^u8, 4, buffer_id, memory_map_location, length)
}
send_message := fn(msg: ^u8, buffer_id: int): void {
msg_length := @inline(string.length, msg)
@eca(i32, 3, buffer_id, msg, msg_length)
send_message := fn(buffer_id: int): void {
message := "Hello there\0"
message_length := string.length(message)
@eca(i32, 3, buffer_id, message, message_length)
return
}
create := fn(msg: ^u8): int {
msg_length := @inline(string.length, msg);
msg_length := string.length(msg);
*msg = 0
return @eca(int, 3, 0, msg, msg_length)
}
search := fn(msg: ^u8): int {
msg_length := @inline(string.length, msg);
msg_length := string.length(msg);
*msg = 3
return @eca(int, 3, 0, msg, msg_length)

4
sysdata/libraries/stn/src/lib.hb
View file

@ -2,6 +2,4 @@ string := @use("rel:string.hb")
log := @use("rel:log.hb")
memory := @use("rel:memory.hb")
buffer := @use("rel:buffer.hb")
math := @use("rel:math.hb")
random := @use("rel:random.hb")
pci := @use("rel:pci.hb")
math := @use("rel:math.hb")

2
sysdata/libraries/stn/src/log.hb
View file

@ -2,7 +2,7 @@ string := @use("rel:string.hb")
buffer := @use("rel:buffer.hb")
log := fn(message: ^u8, level: u8): void {
message_length := @inline(string.length, message);
message_length := string.length(message);
*(message + message_length) = level
@eca(i32, 3, 1, message, message_length + 1)
return

12
sysdata/libraries/stn/src/math.hb
View file

@ -1,15 +1,7 @@
shift := 31
// following only work for: int
abs := fn(x: int): int {
mask := x >> shift
mask := x >> 31
return (x ^ mask) - mask
}
min := fn(a: int, b: int): int {
c := a - b
return b + (c & c >> shift)
}
max := fn(a: int, b: uint): int {
c := a - b
return a - (c & c >> shift)
return b + (a - b & a - b >> 31)
}

41
sysdata/libraries/stn/src/memory.hb
View file

@ -17,38 +17,19 @@ release_page := fn(ptr: ^u8, page_count: u8): void {
return @eca(void, 3, 2, msg, 12)
}
outb := fn(addr: u16, value: u8): void {
msg := "\0\0\0\0\0";
*@as(^u8, msg) = @as(u8, 1);
*@as(^u8, msg + 1) = @as(u8, 0);
*@as(^u16, @bitcast(msg + 2)) = addr;
*@as(^u8, msg + 4) = value
@eca(void, 3, 3, msg, 5)
outb := fn(addr_high: u8, addr_low: u8, value: u8): void {
msg := "\0\0\0\0";
*msg = 1;
*(msg + 1) = addr_high;
*(msg + 2) = addr_low;
*(msg + 3) = value
@eca(void, 3, 3, msg, 4)
return
}
inb := fn(addr: u16): u8 {
inb := fn(addr_high: u8, addr_low: u8): u8 {
msg := "\0\0\0\0";
*@as(^u8, msg) = @as(u8, 0);
*@as(^u8, msg + 1) = @as(u8, 0);
*@as(^u16, @bitcast(msg + 2)) = addr
return @eca(u8, 3, 3, msg, 4)
}
outl := fn(addr: u16, value: u32): void {
msg := "\0\0\0\0\0\0\0\0";
*@as(^u8, msg) = @as(u8, 1);
*@as(^u8, msg + 1) = @as(u8, 2);
*@as(^u16, @bitcast(msg + 2)) = addr;
*@as(^u32, @bitcast(msg + 4)) = value
@eca(void, 3, 3, msg, 8)
return
}
inl := fn(addr: u16): u32 {
msg := "\0\0\0\0";
*@as(^u8, msg) = @as(u8, 0);
*@as(^u8, msg + 1) = @as(u8, 2);
*@as(^u16, @bitcast(msg + 2)) = addr
return @eca(u32, 3, 3, msg, 4)
*(msg + 1) = addr_high;
*(msg + 2) = addr_low
return @eca(u8, 3, 3, msg, 3)
}

50
sysdata/libraries/stn/src/pci.hb
View file

@ -1,50 +0,0 @@
.{inl, outl} := @use("rel:memory.hb")
config_read := fn(bus: u8, device: u8, func: u8, offset: u8): u32 {
lbus := @as(u32, bus)
ldevice := @as(u32, device)
lfunc := @as(u32, func)
loffset := @as(u32, offset)
address := lbus << 16 | ldevice << 11 | lfunc << 8 | loffset & 0xFC | @as(u32, 0x80000000)
outl(0xCF8, address)
return inl(0xCFC)
}
config_write := fn(bus: u8, device: u8, func: u8, offset: u8, value: u32): void {
lbus := @as(u32, bus)
ldevice := @as(u32, device)
lfunc := @as(u32, func)
loffset := @as(u32, offset)
address := lbus << 16 | ldevice << 11 | lfunc << 8 | loffset & 0xFC | @as(u32, 0x80000000)
outl(0xCF8, address)
outl(0xCFC, value)
}
get_header_type := fn(bus: u8, device: u8, func: u8): u8 {
return @as(u8, config_read(bus, device, func, 0xC) >> 16 & 0xFF)
}
Ids := struct {vendor: u16, device: u16}
get_ids := fn(bus: u8, device: u8, func: u8): Ids {
res := config_read(bus, device, func, 0)
return .(@as(u16, res >> 16 & 0xFFFF), @as(u16, res & 0xFFFF))
}
PciDeviceInfo := struct {header_type: u8, device: u8, bus: u8, device_id: Ids, full_class: u16, rev_id: u8}
check_device := fn(bus: u8, device: u8): PciDeviceInfo {
ids := get_ids(bus, device, 0)
if ids.vendor == 0xFFFF {
return .(0, 0, 0, .(0, 0), 0, 0)
}
reg2 := config_read(bus, device, 0, 0x8)
class := @as(u16, reg2 >> 16 & 0xFFFF)
header_type := get_header_type(bus, device, 0)
return .(header_type, device, bus, ids, class, @as(u8, reg2 & 0xFF))
}

7
sysdata/libraries/stn/src/random.hb
View file

@ -1,7 +0,0 @@
integer := fn(): int {
return @eca(int, 3, 4)
}
integer_range := fn(min: int, max: int): int {
return @eca(int, 3, 4) % (max - min + 1) + min
}

33
sysdata/libraries/stn/src/string.hb
View file

@ -1,38 +1,51 @@
length := fn(ptr: ^u8): int {
len := 0
loop if *(ptr + len) == 0 break else len += 1
loop if *ptr == 0 break else {
len += 1
ptr += 1
}
return len
}
display_int := fn(num: int, p: ^u8): ^u8 {
i := 0
if num == 0 {
*p = 48
set(p, 48)
return p
}
loop if num == 0 break else {
*(p + i) = num % 10 + 48
loop {
if num == 0 break
set(p + i, num % 10 + 48)
num /= 10
i += 1
}
@inline(reverse, p);
*(p + i) = 0
reverse(p)
//null terminate
set(p + i, 0)
return p
}
reverse := fn(s: ^u8): void {
//reverse a string, don't remove digits
len := 0
loop if *(s + len) == 0 break else len += 1
loop {
if *(s + len) == 0 break
len += 1
}
i := 0
j := len - 1
temp := 0
loop if i >= j break else {
temp = *(s + i);
loop {
if i >= j break
temp := *(s + i);
*(s + i) = *(s + j);
*(s + j) = temp
i += 1
j -= 1
}
return
}
set := fn(change: ^u8, new: int): void {
*change = new
return
}

0
sysdata/programs/serial_driver/README.md → sysdata/programs/a_serial_driver/README.md
View file

2
sysdata/programs/serial_driver/meta.toml → sysdata/programs/a_serial_driver/meta.toml
View file

@ -1,5 +1,5 @@
[package]
name = "serial_driver"
name = "a_serial_driver"
authors = ["Able"]
[dependants.libraries]

11
sysdata/programs/serial_driver/src/main.hb → sysdata/programs/a_serial_driver/src/main.hb
View file

@ -1,10 +1,11 @@
.{memory, buffer} := @use("../../../libraries/stn/src/lib.hb")
stn := @use("../../../libraries/stn/src/lib.hb");
.{log, string, memory, buffer} := stn
serial_print := fn(ptr: ^u8): void {
letter := 0
loop if *ptr == 0 break else {
letter = *ptr
memory.outb(0xF803, letter)
memory.outb(3, 248, letter)
ptr += 1
}
return
@ -12,8 +13,8 @@ serial_print := fn(ptr: ^u8): void {
serial_println := fn(ptr: ^u8): void {
serial_print(ptr)
memory.outb(0xF803, 12)
memory.outb(0xF803, 13)
memory.outb(3, 248, 12)
memory.outb(3, 248, 13)
return
}
@ -25,7 +26,7 @@ main := fn(): int {
mem := memory.request_page(1)
loop {
ptr := @eca(int, 4, a, mem, 0x1000)
ptr := @eca(int, 4, a, mem, 4096)
if ptr == 0 {
serial_println("No message\0")
}

9
sysdata/programs/diskio_driver/src/main.hb
View file

@ -1,11 +1,12 @@
.{memory, buffer} := @use("../../../libraries/stn/src/lib.hb")
stn := @use("../../../libraries/stn/src/lib.hb");
.{log, string, memory, buffer} := stn
main := fn(): int {
// shuts down ableOS
// memory.outb(0xF400, 0)
//memory.outb(0, 244, 0)
a := memory.inb(0x4600)
b := memory.inb(0x4700)
a := memory.inb(0, 70)
b := memory.inb(0, 71)
c := buffer.search("XNumber\0")

2
sysdata/programs/fb_driver/README.md Normal file
View file

@ -0,0 +1,2 @@
# Framebuffer Driver
A simple framebuffer driver.

7
sysdata/programs/fb_driver/UNTESTED_FUNCTIONS Normal file
View file

@ -0,0 +1,7 @@
color.blend
lib.composite
lib.screen2rect
lib.rect2screen
draw.tri_line

11
sysdata/programs/fb_driver/meta.toml Normal file
View file

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

27
sysdata/programs/fb_driver/src/color.hb Normal file
View file

@ -0,0 +1,27 @@
ColorBGRA := struct {b: u8, g: u8, r: u8, a: u8}
/* ALL the colo(u)rs you will ever need.
they dont work though, cause hblang bug (reg id leaked, again) */
WHITE := ColorBGRA.{b: 255, g: 255, r: 255, a: 255}
BLACK := ColorBGRA.{b: 0, g: 0, r: 0, a: 255}
GRAY := ColorBGRA.{b: 127, g: 127, r: 127, a: 255}
RED := ColorBGRA.{b: 0, g: 0, r: 205, a: 255}
GREEN := ColorBGRA.{b: 0, g: 205, r: 0, a: 255}
YELLOW := ColorBGRA.{b: 0, g: 205, r: 205, a: 255}
BLUE := ColorBGRA.{b: 205, g: 0, r: 0, a: 255}
MAGENTA := ColorBGRA.{b: 205, g: 0, r: 205, a: 255}
CYAN := ColorBGRA.{b: 205, g: 205, r: 0, a: 255}
LIGHTGRAY := ColorBGRA.{b: 229, g: 229, r: 229, a: 255}
LIGHTRED := ColorBGRA.{b: 0, g: 0, r: 255, a: 255}
LIGHTGREEN := ColorBGRA.{b: 0, g: 255, r: 0, a: 255}
LIGHTYELLOW := ColorBGRA.{b: 0, g: 255, r: 255, a: 255}
LIGHTBLUE := ColorBGRA.{b: 255, g: 0, r: 0, a: 255}
LIGHTMAGENTA := ColorBGRA.{b: 255, g: 0, r: 255, a: 255}
LIGHTCYAN := ColorBGRA.{b: 255, g: 255, r: 0, a: 255}
// i have no clue if this works. please don't me ask how it works. -aurlex
blend := fn(fg: ColorBGRA, bg: ColorBGRA): ColorBGRA {
s := fg + bg
m := s - ((fg ^ bg) & 16843008) & 16843008
return (m >> 8 | 16777216 * (s < fg)) * 255 | s - m
}

113
sysdata/programs/fb_driver/src/draw.hb Normal file
View file

@ -0,0 +1,113 @@
.{draw_pixel, screenidx, Transform, Point, Rect, Buffer, FB_WIDTH} := @use("rel:lib.hb")
ColorBGRA := @use("rel:color.hb").ColorBGRA
math := @use("../../../libraries/stn/src/lib.hb").math
/* draws a filled rectangle to the screen
will be optimised later */
rect_fill := fn(buffer: Buffer, pos: Point, tr: Transform, color: ColorBGRA): void {
n := 0
loop if n == tr.height * tr.width break else {
*(buffer.write + screenidx(.(n % tr.width + pos.x, n / tr.width + pos.y))) = color
n += 1
}
return
}
/* draws a wireframe rectangle to the screen
will also be optimised later */
rect_line := fn(buffer: Buffer, pos: Point, tr: Transform, color: ColorBGRA, thickness: int): void {
t := 0
y := 0
x := 0
loop if t == thickness break else {
y = pos.y
x = pos.x
loop if y == pos.y + tr.height break else {
*(buffer.write + pos.x + t + FB_WIDTH * y) = color;
*(buffer.write + pos.x + tr.width - t + FB_WIDTH * y) = color
y += 1
}
loop if x == pos.x + tr.width break else {
*(buffer.write + x + (pos.y + t) * FB_WIDTH) = color;
*(buffer.write + x + (pos.y + tr.height - t) * FB_WIDTH) = color
x += 1
}
t += 1
}
return
}
// do not use, use line() instead
line_low := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA): void {
dx := p1.x - p0.x
dy := p1.y - p0.y
yi := 1
if dy < 0 {
yi = 0 - 1
dy = 0 - dy
}
D := 2 * dy - dx
y := p0.y
x := p0.x
loop if x == p1.x break else {
*(buffer.write + x + y * FB_WIDTH) = color
if D > 0 {
y += yi
D += 2 * (dy - dx)
} else {
D += 2 * dy
}
x += 1
}
return
}
// do not use, use line() instead
line_high := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA): void {
dx := p1.x - p0.x
dy := p1.y - p0.y
xi := 1
if dy < 0 {
xi = 0 - 1
dx = 0 - dx
}
D := 2 * dx - dy
x := p0.x
y := p0.y
loop if y == p1.y break else {
*(buffer.write + x + y * FB_WIDTH) = color
if D > 0 {
x += xi
D += 2 * (dx - dy)
} else {
D += 2 * dx
}
y += 1
}
return
}
/* implementation of Bresenham's line algorithm
TODO: thickness, might need better math library */
line := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA, thickness: int): void {
if math.abs(p1.y - p0.y) < math.abs(p1.x - p0.x) {
if p0.x > p1.x {
line_low(buffer, p1, p0, color)
} else {
line_low(buffer, p0, p1, color)
}
} else {
if p0.y > p1.y {
line_high(buffer, p1, p0, color)
} else {
line_high(buffer, p0, p1, color)
}
}
return
}
// theoretically draws a wireframe polygon to the screen. untested.
tri_line := fn(buffer: Buffer, p0: Point, p1: Point, p2: Point, color: ColorBGRA, thickness: int): void {
line(buffer, p0, p1, color, thickness)
line(buffer, p1, p2, color, thickness)
line(buffer, p2, p0, color, thickness)
return
}

26
sysdata/programs/fb_driver/src/examples/amogus.hb Normal file
View file

@ -0,0 +1,26 @@
.{rect_line} := @use("../draw.hb");
.{present, create_buffer, clear} := @use("../lib.hb")
/* expected result:
the impostor travels left and loops around the screen */
example := fn(): void {
// Creates a back buffer, which we write to, to avoid screen flickering
buffer := create_buffer()
x := 0
loop {
// draw all our shapes to the back buffer
rect_line(buffer, .(200 - x, 80), .(430, 380), .(0, 0, 255, 0), 1)
rect_line(buffer, .(630 - x, 120), .(120, 300), .(0, 0, 255, 0), 1)
rect_line(buffer, .(200 - x, 460), .(160, 270), .(0, 0, 255, 0), 1)
rect_line(buffer, .(470 - x, 460), .(160, 270), .(0, 0, 255, 0), 1)
rect_line(buffer, .(140 - x, 140), .(340, 250), .(255, 255, 0, 0), 1)
/* push the back buffer to the front buffer
this displays our image to the screen */
present(buffer)
// erase our old image
clear(buffer, .(0, 0, 0, 0))
x += 1
}
return
}

27
sysdata/programs/fb_driver/src/examples/colors.hb Normal file
View file

@ -0,0 +1,27 @@
.{clear, create_buffer, present} := @use("../lib.hb");
.{ColorBGRA} := @use("../color.hb")
/* expected result:
the screen fades from green to cyan
then wraps back to green
note that this may happen too fast for you to notice... */
example := fn(): void {
// creates a back buffer, which we write to, to avoid screen flickering
buffer := create_buffer()
color := ColorBGRA.(0, 255, 0, 255)
/* have to explicitly say 0 is a u8, or we do something crazy to the colors.
looks like a compiler bug */
n := @as(i8, @as(u8, 0)) - 1
loop {
clear(buffer, color)
present(buffer)
/* because for some reason just comparing doesnt work.
also looks like a compiler bug */
if (color.b & 255) == 255 | (color.b & 255) == 0 {
n = 0 - n
}
color.b += n
}
return
}

19
sysdata/programs/fb_driver/src/examples/front_buffer.hb Normal file
View file

@ -0,0 +1,19 @@
.{front_buffer_ptr, front_buffer_copy, get_front_buffer, Buffer} := @use("../lib.hb");
example := fn(): void {
// you can get the raw frontbuffer pointer using
raw_buffer := front_buffer_ptr
// this buffer is the one that you write individual pixels to
// you can gete the copy frontbuffer pointer using
copy_buffer := copy_buffer_ptr
/* this buffer is used for massive writing
operations by taking advantage of
static copying */
// you can construct a buffer like so
buffer := Buffer.{write: raw_buffer, copy: copy_buffer}
// this is the operation that get_front_buffer does
same_buffer := get_front_buffer()
return
}

25
sysdata/programs/fb_driver/src/examples/lines.hb Normal file
View file

@ -0,0 +1,25 @@
.{line} := @use("../draw.hb");
.{clear, create_buffer, present, FB_WIDTH, FB_HEIGHT, Point} := @use("../lib.hb")
/* expected result:
a 3d-looking blue set of lines
created on a blue background */
example := fn(): void {
// creates a back buffer, which we write to, to avoid screen flickering
buffer := create_buffer()
// fill the screen in blue
clear(buffer, .(100, 50, 0, 255))
p0 := Point.(0, 0 - 1)
p1 := Point.(0, FB_HEIGHT - 1)
loop if p0.y >= FB_HEIGHT break else {
// draw a line between p0 and p1
line(buffer, p0, p1, .(255, 180, 100, 255), 3)
p0.y += FB_HEIGHT >> 6
p1.x += FB_WIDTH >> 6
}
/* push the back buffer to the front buffer
this displays our image to the screen */
present(buffer)
return
}

32
sysdata/programs/fb_driver/src/examples/square.hb Normal file
View file

@ -0,0 +1,32 @@
.{rect_line} := @use("../draw.hb");
.{clear, create_buffer, present, Point, FB_HEIGHT, FB_WIDTH} := @use("../lib.hb")
/* expected result:
the white outline of a square bounces around the screen */
example := fn(): void {
// creates a back buffer, which we write to, to avoid screen flickering
buffer := create_buffer()
vel := Point.{x: 1, y: 1}
pos := Point.{x: 100, y: 100}
loop {
// draw the square at our current position
rect_line(buffer, pos, .(100, 100), .(255, 255, 255, 255), 3)
/* push the back buffer to the front buffer
this displays our image to the screen */
present(buffer)
// erase our old image
clear(buffer, .(0, 0, 0, 0))
// bounce the square if it touches the screen edges
if pos.x == 0 | pos.x == FB_WIDTH - 100 {
vel.x = 0 - vel.x
}
if pos.y == 0 | pos.y == FB_HEIGHT - 100 {
vel.y = 0 - vel.y
}
pos += vel
}
return
}

20
sysdata/programs/fb_driver/src/examples/strobe.hb Normal file
View file

@ -0,0 +1,20 @@
.{clear, create_buffer, present} := @use("../lib.hb")
/* expected result: (EPILEPSY WARNING)
the screen rapidly flashes red then black */
example := fn(): void {
// creates a back buffer, which we write to, to avoid screen flickering
buffer := create_buffer()
loop {
// screen go red
clear(buffer, .(0, 0, 255, 0))
// show the red
present(buffer)
// screen go black
clear(buffer, .(0, 255, 255, 0))
// show the black
present(buffer)
}
return
}

100
sysdata/programs/fb_driver/src/lib.hb Normal file
View file

@ -0,0 +1,100 @@
.{memory, log, math} := @use("../../../libraries/stn/src/lib.hb");
.{ColorBGRA, blend} := @use("rel:color.hb")
FB_WIDTH := 1024
FB_HEIGHT := 768
FB_PIXELS := FB_WIDTH * FB_HEIGHT
FB_BYTES := FB_PIXELS << 2
// actual enforced max copy size is (1 << 16) - 1, but this was faster
MAX_COPY_SIZE := 6144
// see stn.math.min, cant use here due to compiler bug (reg id leaked)
COPY_PIXELS := MAX_COPY_SIZE + (FB_BYTES - MAX_COPY_SIZE & FB_BYTES - MAX_COPY_SIZE >> 31) >> 2
PARTITIONS := FB_PIXELS / COPY_PIXELS
TOTAL_PAGES := 1 + FB_BYTES >> 12
Buffer := struct {write: ^ColorBGRA, copy: ^[ColorBGRA; COPY_PIXELS]}
Point := struct {x: int, y: int}
Transform := struct {width: int, height: int}
Rect := struct {p1: Point, p2: Point}
front_buffer_ptr := @as(^ColorBGRA, @bitcast(0 - 140734267129856))
front_buffer_copy := @as(^[ColorBGRA; COPY_PIXELS], @bitcast(front_buffer_ptr))
get_front_buffer := fn(): Buffer {
// trying to return front_buffer_ptr or front_buffer_copy causes reg id leak
return Buffer.{write: @as(^ColorBGRA, @bitcast(0 - 140734267129856)), copy: @as(^[ColorBGRA; COPY_PIXELS], @bitcast(0 - 140734267129856))}
}
/* this is separate to create_raw_buffer because returning a Buffer from
create_raw_buffer causes reg id leak */
create_buffer := fn(): Buffer {
ptr := create_raw_buffer()
ptr_copy := @as(^[ColorBGRA; COPY_PIXELS], @bitcast(ptr))
// same here, bitcasting inside the struct literal causes reg id leak
buffer := Buffer.{write: ptr, copy: ptr_copy}
return buffer
}
create_raw_buffer := fn(): ^ColorBGRA {
// helps to trace allocation bugs
log.info("Creating buffer. This will allocate.\0")
if TOTAL_PAGES <= 255 {
return @bitcast(memory.request_page(TOTAL_PAGES))
}
ptr := memory.request_page(255)
remaining := TOTAL_PAGES - 255
loop if remaining <= 0 break else {
if remaining < 255 {
memory.request_page(remaining)
} else {
memory.request_page(255)
}
remaining -= 255
}
return @bitcast(ptr)
}
// sets the buffer to the color. very fast.
clear := fn(buffer: Buffer, color: ColorBGRA): void {
n := 0
// write the first pixel chunk
loop if n >= COPY_PIXELS break else {
*(buffer.write + n) = color
n += 1
}
n = 1
// copy that pixel chunk through the buffer, taking advantage of memory copying
loop if n >= PARTITIONS break else {
*(buffer.copy + n) = *buffer.copy
n += 1
}
return
}
// only required to be called when using a back buffer. if using single-buffered rendering, do not call this.
present := fn(buffer: Buffer): void {
offset := 0
// copy chunks of the read buffer to the front buffer
loop if offset >= PARTITIONS break else {
*(front_buffer_copy + offset) = *(buffer.copy + offset)
offset += 1
}
return
}
// composites the contents of buffer1 into buffer2, accounting for alpha transparency
// i dont know if it works. i have not tested it. it probably doesnt work
composite := fn(buffer1: Buffer, buffer2: Buffer): void {
n := 0
loop if n == FB_PIXELS break else {
bg := *(buffer2.write + n);
*(buffer2.write + n) = blend(*(buffer1.write + n), bg)
n += 1
}
return
}
// really need to be able to inline this please - aurlex
screenidx := fn(pos: Point): int {
return pos.x + FB_WIDTH * pos.y
}
point2rect := fn(pos: Point, tr: Transform): Rect {
return .(pos, .(pos.x + tr.x, pos.y + tr.y))
}
rect2point := fn(rect: Rect): struct {point: Point, transform: Transform} {
return .(.(0, 0), .(0, 0))
}

7
sysdata/programs/fb_driver/src/main.hb Normal file
View file

@ -0,0 +1,7 @@
// change "lines.hb" to another example to see it onscreen
example := @use("examples/square.hb").example
main := fn(): int {
example()
return 0
}

20
sysdata/programs/render_example/src/examples/amogus.hb
View file

@ -1,20 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
/* expected result:
the impostor travels left and loops around the screen */
example := fn(): void {
render.init()
x := 0
loop {
render.put_rect(.(200 - x, 80), .(430, 380), render.red)
render.put_rect(.(630 - x, 120), .(120, 300), render.red)
render.put_rect(.(200 - x, 460), .(160, 270), render.red)
render.put_rect(.(470 - x, 460), .(160, 270), render.red)
render.put_rect(.(140 - x, 140), .(340, 250), render.cyan)
render.sync()
render.clear(render.black)
x += 1
}
return
}

21
sysdata/programs/render_example/src/examples/colors.hb
View file

@ -1,21 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
/* expected result:
the screen fades from cyan to green
then wraps back to cyan
note that this may happen too fast for you to notice... */
example := fn(): void {
render.init()
color := render.light_cyan
n := @as(u8, 1)
loop {
render.clear(color)
render.sync()
if (color.b & 255) == 255 | (color.b & 255) == 0 {
n = -n
}
color.b += n
}
return
}

22
sysdata/programs/render_example/src/examples/lines.hb
View file

@ -1,22 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
/* expected result:
a 3d-looking set of blue lines
created on a blue background */
example := fn(): void {
render.init()
render.clear(.(100, 50, 0, 255))
width := render.width()
height := render.height()
p0 := render.IVec2.(0, 0)
p1 := render.IVec2.(0, height)
loop if p0.y >= height break else {
render.put_line(p0, p1, .(255, 180, 100, 255))
render.put_line(.(width, height) - p0, .(width, height) - p1, .(255, 180, 100, 255))
p0.y += height >> 6
p1.x += width >> 6
}
render.sync()
return
}

17
sysdata/programs/render_example/src/examples/random.hb
View file

@ -1,17 +0,0 @@
.{random} := @use("../../../../libraries/stn/src/lib.hb")
render := @use("../../../../libraries/render/src/lib.hb")
example := fn(): void {
render.init()
render.doublebuffer(false)
render.clear(render.black)
loop {
x := random.integer_range(0, 1024)
y := random.integer_range(0, 768)
r := random.integer_range(0, 255)
g := random.integer_range(0, 75)
b := random.integer_range(0, 155)
render.put_pixel(.(x, y), .(b, g, r, 255))
}
return
}

27
sysdata/programs/render_example/src/examples/square.hb
View file

@ -1,27 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
/* expected result:
the white outline of a square bounces around the screen */
example := fn(): void {
render.init()
vel := render.IVec2.(1, 1)
pos := render.IVec2.(100, 100)
width := render.width()
height := render.height()
loop {
render.put_rect(pos, .(100, 100), render.white)
render.sync()
render.clear(render.black)
if pos.x == 0 | pos.x == width - 100 {
vel.x = -vel.x
}
if pos.y == 0 | pos.y == height - 100 {
vel.y = -vel.y
}
pos += vel
}
return
}

15
sysdata/programs/render_example/src/examples/strobe.hb
View file

@ -1,15 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
/* expected result: (EPILEPSY WARNING)
the screen rapidly flashes red then black */
example := fn(): void {
render.init()
loop {
render.clear(render.red)
render.sync()
render.clear(render.yellow)
render.sync()
}
return
}

8
sysdata/programs/render_example/src/examples/svga.hb
View file

@ -1,8 +0,0 @@
render := @use("../../../../libraries/render/src/lib.hb")
render.mode = render.svga
example := fn(): void {
render.init()
return
}

6
sysdata/programs/render_example/src/main.hb
View file

@ -1,6 +0,0 @@
.{example} := @use("./examples/colors.hb")
main := fn(): void {
@inline(example)
return
}

7
sysdata/programs/serial_driver_test/src/main.hb
View file

@ -1,11 +1,14 @@
.{string, buffer} := @use("../../../libraries/stn/src/lib.hb")
stn := @use("../../../libraries/stn/src/lib.hb");
.{string, memory, buffer} := stn
frame_buffer := @as(^u8, @bitcast(0 - 140734267129856))
log_info := fn(): void {
a := buffer.search("XNumber\0")
if a == 0 {
} else {
msg := "XABC\0"
msg_length := @inline(string.length, msg)
msg_length := string.length(msg)
@eca(void, 3, a, msg, msg_length)
}

3
sysdata/programs/tests/src/main.hb
View file

@ -1,4 +1,5 @@
.{log, string, memory, buffer} := @use("../../../libraries/stn/src/lib.hb")
stn := @use("../../../libraries/stn/src/lib.hb");
.{log, string, memory, buffer} := stn
service_search := fn(): void {
a := "\{01}\0"

4
sysdata/programs/render_example/meta.toml → sysdata/programs/time_driver/meta.toml
View file

@ -1,6 +1,6 @@
[package]
name = "render_example"
authors = ["koniifer"]
name = "time_driver"
authors = ["SamBuckley"]
[dependants.libraries]

22
sysdata/programs/time_driver/src/main.hb Normal file
View file

@ -0,0 +1,22 @@
stn := @use("../../../libraries/stn/src/lib.hb")
log := stn.log
mem := stn.memory
s := stn.string
page := 0
main := fn(): void {
page += mem.request_page(1)
port_str := "\0\0\{47}\0"
a := @eca(u8, 3, 3, port_str, 4)
n := 5000000
loop {
if n == 0 break
n -= 1
stack_reclamation_edge_case := 0
}
td := s.display_int(a, page)
log.debug(td)
return
}

12
sysdata/system_config.toml
View file

@ -19,27 +19,31 @@ resolution = "1024x768x24"
# [boot.limine.ableos.modules.tests]
# path = "boot:///tests.hbf"
# [boot.limine.ableos.modules.a_serial_driver]
# path = "boot:///a_serial_driver.hbf"
# [boot.limine.ableos.modules.0serial_driver]
# path = "boot:///serial_driver.hbf"
# [boot.limine.ableos.modules.diskio_driver]
# path = "boot:///diskio_driver.hbf"
# [boot.limine.ableos.modules.render_example]
# path = "boot:///render_example.hbf"
# [boot.limine.ableos.modules.fb_driver]
# path = "boot:///fb_driver.hbf"
# [boot.limine.ableos.modules.serial_driver_test]
# path = "boot:///serial_driver_test.hbf"
# [boot.limine.ableos.modules.horizon]
# path = "boot:///horizon.hbf"
# [boot.limine.ableos.modules.horizon_testing_program]
# path = "boot:///horizon_testing_program.hbf"
# [boot.limine.ableos.modules.dt_buffer_test]
# path = "boot:///dt_buffer_test.hbf"
[boot.limine.ableos.modules.svga_driver]
path = "boot:///svga_driver.hbf"