forked from AbleOS/ableos
Merge branch 'master' into master
This commit is contained in:
commit
bea92d996c
1704
Cargo.lock
generated
1704
Cargo.lock
generated
File diff suppressed because it is too large
Load diff
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@ -7,7 +7,7 @@ version = "0.2.0"
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[dependencies]
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hbvm = { git = "https://git.ablecorp.us/ableos/holey-bytes" }
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hbasm = { git = "https://git.ablecorp.us/ableos/holey-bytes" }
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# hbasm = { git = "https://git.ablecorp.us/ableos/holey-bytes" }
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embedded-graphics = "0.7.1"
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@ -48,7 +48,7 @@ SECTIONS
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. = ALIGN(4K);
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PROVIDE(_initial_kernel_heap_start = .);
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/* PROVIDE(_initial_kernel_heap_size = 1024 * 1024); */
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PROVIDE(_initial_kernel_heap_size = 1024 * 4096);
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PROVIDE(_initial_kernel_heap_size = 1024 * 4096 * 100);
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. += _initial_kernel_heap_size;
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} :data
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}
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@ -63,49 +63,26 @@ pub enum HostError {
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// // pub fn rpc_register(_engine: &mut Engine) {}
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// // pub fn rpc_call(_engine: &mut Engine) {}
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use log::error;
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use hbvm::vm::{
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mem::{Memory, MemoryAccessReason, PageSize},
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trap::HandleTrap,
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value::Value,
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};
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use {hbvm::vm::mem::HandlePageFault, log::error};
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/// AbleOS HBVM traphandler
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pub struct TrapHandler;
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impl HandleTrap for TrapHandler {
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impl HandlePageFault for TrapHandler {
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fn page_fault(
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&mut self,
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mar: MemoryAccessReason,
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memory: &mut Memory,
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reason: hbvm::vm::mem::MemoryAccessReason,
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memory: &mut hbvm::vm::mem::Memory,
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vaddr: u64,
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size: PageSize,
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size: hbvm::vm::mem::PageSize,
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dataptr: *mut u8,
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) -> bool {
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error!(
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"MemoryAccessReason: {}
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Memory: {:?}
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VAddr: {}
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Size: {:?}
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DataPTR: {:?}",
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mar, memory, vaddr, size, dataptr
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"REASON: {}
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memory: {:?}
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vaddr: {}
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size: {:?}
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Dataptr {:?}",
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reason, memory, vaddr, size, dataptr
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);
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false
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}
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fn invalid_op(&mut self, _: &mut [Value; 256], _: &mut usize, _: &mut Memory, _: u8) -> bool
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where
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Self: Sized,
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{
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log::trace!("Invalid opcode");
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false
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}
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fn ecall(&mut self, _: &mut [Value; 256], _: &mut usize, _: &mut Memory)
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where
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Self: Sized,
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{
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log::trace!("ableOS system call made");
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}
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}
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@ -1,15 +1,12 @@
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//! AbleOS Kernel Entrypoint
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use crate::capabilities;
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// use crate::arch::sloop;
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use {
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crate::{
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arch::logging::SERIAL_CONSOLE,
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bootmodules::{build_cmd, BootModules},
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capabilities,
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device_tree::DeviceTree,
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scheduler::Scheduler,
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},
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alloc::format,
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log::{debug, info, trace},
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@ -43,69 +40,12 @@ pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
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capabilities::example();
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// TODO: change this to a driver
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{
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let mut prog = alloc::vec![];
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let mut code = alloc::string::String::new();
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let mut sc = SERIAL_CONSOLE.lock();
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loop {
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match sc.receive() {
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b'\r' => {
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code.push('\n');
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sc.send(b'\r');
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sc.send(b'\n');
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match hbasm::assembly(&code, &mut prog) {
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Ok(_) => {
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use hbvm::validate::validate;
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match validate(&prog) {
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Err(_e) => {
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// log::error!("Program validation error: {e:?}");
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}
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Ok(_) => {
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// log::info!("valid program");
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// use {crate::host::TrapHandler, hbvm::vm::Vm};
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let mut sched = Scheduler::new();
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sched.new_process(prog.clone());
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sched.scheduler_run();
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// let mut vm;
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// unsafe {
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// vm = Vm::new_unchecked(&prog, TrapHandler);
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// vm.memory.insert_test_page();
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// }
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// log::info!("Program interrupt: {:?}", vm.run());
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// log::debug!("{:?}", vm.registers);
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}
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}
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sc.send(b'>');
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}
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Err(_e) => {
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// log::error!(
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// "Error {:?} at {:?} (`{}`)",
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// e.kind,
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// e.span.clone(),
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// &code[e.span],
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// );
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for x in "err".as_bytes() {
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sc.send(*x);
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}
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}
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}
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code = alloc::string::String::new();
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}
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byte => {
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code.push(byte as char);
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sc.send(byte);
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}
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}
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}
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}
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let mut sched = Scheduler::new();
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// AHEM that isn't a valid HBVM program
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sched.new_process(boot_modules[0].bytes.clone());
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sched.new_process(boot_modules[1].bytes.clone());
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sched.run();
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// sloop();
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}
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@ -16,16 +16,17 @@ impl log::Log for Logger {
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fn log(&self, record: &log::Record) {
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let lvl = record.level();
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let lvl_color = match lvl {
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Level::Error => "160",
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Level::Warn => "172",
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Level::Info => "47",
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Level::Debug => "25",
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Level::Trace => "103",
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};
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let module = record.module_path().unwrap_or_default();
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let line = record.line().unwrap_or_default();
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crate::arch::log(format_args!(
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"\x1b[38;5;{}m{lvl}\x1b[0m [{}]: {}\r\n",
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match lvl {
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Level::Error => "160",
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Level::Warn => "172",
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Level::Info => "47",
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Level::Debug => "25",
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Level::Trace => "103",
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},
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record.module_path().unwrap_or_default(),
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"\x1b[38;5;{lvl_color}m{lvl}\x1b[0m [{module}:{line}]: {}\r\n",
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record.args(),
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))
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.expect("write to serial console");
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@ -4,21 +4,19 @@ use {
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};
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use {crate::host::TrapHandler, hbvm::vm::Vm};
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const TIMER_QUOTIENT: usize = 100;
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pub struct Scheduler<'a> {
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data: VecDeque<Vm<'a, TrapHandler>>,
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data: VecDeque<Vm<'a, TrapHandler, TIMER_QUOTIENT>>,
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}
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// NOTE: This is a very simple schduler and it sucks and should be replaced with a better one
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// Written By Yours Truly: Munir
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impl Scheduler<'_> {
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pub fn new() -> Self {
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Self {
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data: VecDeque::new(),
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}
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}
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pub fn new_process(&mut self, program: Vec<u8>) {
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@ -41,10 +39,19 @@ impl Scheduler<'_> {
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}
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}
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pub fn scheduler_run(&mut self) -> Option<u32> {
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pub fn run(&mut self) -> ! {
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loop {
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// If there are no programs to run then sleep.
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if self.data.is_empty() {
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use crate::arch::sloop;
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sloop();
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}
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let mut prog = self.data.pop_front().unwrap();
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prog.run().unwrap();
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// log::info!("VM registers {:?}", prog.registers);
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log::info!("Scheduled program");
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self.data.push_back(prog);
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}
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}
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@ -4,7 +4,16 @@ version = "0.2.0"
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edition = "2021"
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[dependencies]
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env_logger = "0.10"
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cpio_reader = "0.1"
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derive_more = "0.99"
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env_logger = "0.10"
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error-stack = "0.2"
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fatfs = "0.3"
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log = "0.4"
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fatfs = "0.3"
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log = "0.4"
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rpm = "0.11"
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zstd = "0.12"
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[dependencies.reqwest]
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version = "0.11"
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default-features = false
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features = ["rustls-tls", "blocking"]
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BIN
repbuild/inf_loop.hb
Normal file
BIN
repbuild/inf_loop.hb
Normal file
Binary file not shown.
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@ -18,8 +18,8 @@ TERM_BACKDROP=008080
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# Setting a default resolution for the framebuffer
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RESOLUTION=1024x768x24
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MODULE_PATH=boot:///background.bmp
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MODULE_PATH=boot:///inf_loop.hb
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MODULE_CMDLINE="diskid=123456789"
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MODULE_PATH=boot:///background.bmp
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MODULE_PATH=boot:///inf_loop.hb
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MODULE_CMDLINE=""
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@ -1,9 +1,14 @@
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use std::fs;
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use {
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error_stack::{bail, report, Context, IntoReport, Result, ResultExt},
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derive_more::{Deref, DerefMut, Display},
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error_stack::{bail, ensure, report, Context, IntoReport, Result, ResultExt},
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fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
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std::{fmt::Display, fs::File, io, path::Path, process::Command},
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std::{
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fmt::Display,
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fs::File,
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io::{self, Write},
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path::Path,
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process::Command,
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},
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};
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fn main() -> Result<(), Error> {
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@ -110,12 +115,18 @@ fn get_fs() -> Result<FileSystem<impl ReadWriteSeek>, io::Error> {
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&mut File::open("repbuild/background.bmp")?,
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&mut fs.root_dir().create_file("background.bmp")?,
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)?;
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io::copy(
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&mut File::open("repbuild/inf_loop.hb")?,
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&mut fs.root_dir().create_file("inf_loop.hb")?,
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)?;
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drop(bootdir);
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Ok(fs)
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}
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fn build(release: bool, target: Target) -> Result<(), Error> {
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fetch_ovmf().change_context(Error::OvmfFetch)?;
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let fs = get_fs().change_context(Error::Io)?;
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let mut com = Command::new("cargo");
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com.current_dir("kernel");
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|
@ -124,11 +135,8 @@ fn build(release: bool, target: Target) -> Result<(), Error> {
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com.arg("-r");
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}
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match target {
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Target::Riscv64Virt => {
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com.args(["--target", "targets/riscv64-virt-ableos.json"]);
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}
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_ => {}
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if target == Target::Riscv64Virt {
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com.args(["--target", "targets/riscv64-virt-ableos.json"]);
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}
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match com.status() {
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|
@ -165,10 +173,7 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
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|||
if target == Target::X86_64 {
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#[rustfmt::skip]
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com.args([
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"-bios",
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std::env::var("REPBUILD_QEMU_FIRMWARE_PATH")
|
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.as_deref()
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.unwrap_or("/usr/share/ovmf/x64/OVMF_CODE.fd"),
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"-bios", "target/OVMF_CODE.fd",
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"-drive", "file=target/disk.img,format=raw",
|
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"-m", "4G",
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// "-serial", "stdio",
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|
@ -217,33 +222,121 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
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|||
}
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}
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fn fetch_ovmf() -> Result<(), OvmfFetchError> {
|
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const OVMF_RPM_URL: &str = "https://kojipkgs.fedoraproject.org/packages/edk2/20230524/3.fc38/noarch/edk2-ovmf-20230524-3.fc38.noarch.rpm";
|
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|
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let mut file = match std::fs::metadata("target/OVMF_CODE.fd") {
|
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Err(e) if e.kind() == std::io::ErrorKind::NotFound => std::fs::OpenOptions::new()
|
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.create(true)
|
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.write(true)
|
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.read(true)
|
||||
.open("target/OVMF_CODE.fd")
|
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.into_report()
|
||||
.change_context(OvmfFetchError::Io)?,
|
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Ok(_) => return Ok(()),
|
||||
Err(e) => return Err(report!(e).change_context(OvmfFetchError::Io)),
|
||||
};
|
||||
|
||||
log::info!("No OVMF found, downloading…");
|
||||
let rpm = rpm::RPMPackage::parse(
|
||||
&mut std::convert::identity::<reqwest::Result<_>>((|| {
|
||||
reqwest::blocking::get(OVMF_RPM_URL)?.bytes()
|
||||
})())
|
||||
.into_report()
|
||||
.change_context(OvmfFetchError::Fetch)?
|
||||
.as_ref(),
|
||||
)
|
||||
.map_err(RpmError)
|
||||
.into_report()
|
||||
.change_context(OvmfFetchError::RpmParse)?;
|
||||
|
||||
ensure!(
|
||||
rpm.metadata
|
||||
.get_payload_compressor()
|
||||
.map_err(RpmError)
|
||||
.into_report()
|
||||
.change_context(OvmfFetchError::RpmParse)?
|
||||
== rpm::CompressionType::Zstd,
|
||||
OvmfFetchError::UnsupportedCompression,
|
||||
);
|
||||
|
||||
file.write_all(
|
||||
cpio_reader::iter_files(
|
||||
&zstd::decode_all(std::io::Cursor::new(rpm.content))
|
||||
.into_report()
|
||||
.change_context(OvmfFetchError::Zstd)?,
|
||||
)
|
||||
.find(|file| file.name() == "./usr/share/edk2/ovmf/OVMF_CODE.fd")
|
||||
.ok_or_else(|| report!(OvmfFetchError::NoFileFound))?
|
||||
.file(),
|
||||
)
|
||||
.into_report()
|
||||
.change_context(OvmfFetchError::Io)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[derive(Debug, Display, Deref, DerefMut)]
|
||||
struct RpmError(rpm::RPMError);
|
||||
impl Context for RpmError {}
|
||||
|
||||
// Ehhh?? I am pretty sure they just forgot :ferrisClueless:
|
||||
unsafe impl Sync for RpmError {}
|
||||
unsafe impl Send for RpmError {}
|
||||
|
||||
#[derive(Debug, Display)]
|
||||
enum OvmfFetchError {
|
||||
#[display(fmt = "Failed to fetch OVMF package")]
|
||||
Fetch,
|
||||
#[display(fmt = "RPM parse error")]
|
||||
RpmParse,
|
||||
#[display(fmt = "Unsupported compression (ZSTD is the only supported one)")]
|
||||
UnsupportedCompression,
|
||||
#[display(fmt = "Decompression error")]
|
||||
Zstd,
|
||||
#[display(fmt = "Requested file not found in package")]
|
||||
NoFileFound,
|
||||
#[display(fmt = "IO Error")]
|
||||
Io,
|
||||
}
|
||||
|
||||
impl Context for OvmfFetchError {}
|
||||
|
||||
#[derive(Clone, Copy, PartialEq, Eq)]
|
||||
enum Target {
|
||||
X86_64,
|
||||
Riscv64Virt,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
#[derive(Debug, Display)]
|
||||
enum Error {
|
||||
#[display(fmt = "Failed to build the kernel")]
|
||||
Build,
|
||||
#[display(fmt = "Missing or invalid subcommand (available: build, run)")]
|
||||
InvalidSubCom,
|
||||
#[display(fmt = "IO Error")]
|
||||
Io,
|
||||
#[display(fmt = "Failed to spawn a process")]
|
||||
ProcessSpawn,
|
||||
#[display(fmt = "Failed to fetch UEFI firmware")]
|
||||
OvmfFetch,
|
||||
#[display(fmt = "QEMU Error: {}", "fmt_qemu_err(*_0)")]
|
||||
Qemu(Option<i32>),
|
||||
}
|
||||
|
||||
impl Context for Error {}
|
||||
impl Display for Error {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::Build => f.write_str("failed to build the kernel"),
|
||||
Self::InvalidSubCom => {
|
||||
f.write_str("missing or invalid subcommand (available: build, run)")
|
||||
|
||||
fn fmt_qemu_err(e: Option<i32>) -> impl Display {
|
||||
struct W(Option<i32>);
|
||||
impl Display for W {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
if let Some(c) = self.0 {
|
||||
c.fmt(f)
|
||||
} else {
|
||||
f.write_str("Interrupted by signal")
|
||||
}
|
||||
Self::Io => f.write_str("IO error"),
|
||||
Self::ProcessSpawn => f.write_str("failed to spawn a process"),
|
||||
Self::Qemu(Some(c)) => write!(f, "QEMU Error: {c}"),
|
||||
Self::Qemu(None) => write!(f, "QEMU Error: interrupted by signal"),
|
||||
}
|
||||
}
|
||||
|
||||
W(e)
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue