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Able 2023-05-06 07:05:45 -05:00
parent fb0dcc786d
commit 308592cbf9
6 changed files with 174 additions and 55 deletions
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67
MANIFESTO.md Normal file
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# The Design of AbleOS
## The unix philosophy and why it shouldn't exist
small is only beautiful if its complete.
grep for example supports the `-r` flag which should instead be `grep`+`find`
Everything is not a stream of bytes.
programs can do multiple things well
`cat`, `head` and `tail` could all be one program with a flag
`which head` `which tail` `which cat` should all return the same binary with different flags
```
which head == /bin/cat range=0-10
which tail == /bin/cat reverse_index=true range=0-10
which cat == /bin/cat
```
build a prototype quickly only applies if you are being pressured. do thing quickly then refine
'choose portability over effeciency' this is a flawed idealogy choose modularity over pure portability
'store data in flat text files' this leads to a psuedostandardization on KVPair configuration languages that all sit in a flat text file. Instead pick a configuration format that gets loaded into a tree structure
## File Systems
### The amount of files inside of a folder
32765. Why you might ask?
### Dot files
`dotfiles` were a mistake given to us by bad programmers mocking better programmers. [link](https://web.archive.org/web/20230413171520/http://xahlee.info/UnixResource_dir/writ/unix_origin_of_dot_filename.html)
### File name case sensitivity
Case sensitivity seems like a great idea! But in practice leads to the following filetree
```
/kernel
/Kernel
/kErnEl
/KeRnEl
```
which is a nightmare and you should be erradicated if you think this is a positive
provide a display name for files that allows case and save the file as caseless
### File name character limits
unix is a plauge upon this earth. name a file `:(){ :|:& };:` and try listing it. You have lost access to your terminal.
if you defined a sane method of listing files and allowing programs to provide the OS a standard method of providing argument suggestions and being aware you would never run into this issue
## CLI vs GUI
Graphics are not your enemy unix lovers. You mustn't be stuck in 1981. Times have changed! You can have a graphical shell enviroment. SGI Irix was aware of this in 1988, not perfect of course but 7 years after dos is an impressive leap.
FFMPEG??? Why no gui? Give me a good git ui
### Emails plain text
Unix believes in plain text emails. Quotes are `>`
### Unix Wizards and Instability
[Do not meddle in the affairs of Unix, for it is subtle and quick to anger.]
### Unix why are your mouse a file?
This list is incomplete
`/dev/input/event1` The PS2 Mouse
`/dev/input/psaux` The PS2 Mouse
`/dev/input/psmouse` The PS2 Mouse
`/dev/input/mice` The Not(?) PS2 Mouse I think?
`/dev/input/mouse0` The not Not(?) ps2 mouse? First usb mouse I think?
`/dev/input/usbhid` USB mice (should be autodetected)
`/dev/input/sermouse` Most serial mice
`/dev/input/logibm` Bus mouse connected to Logitech adapter card
`/dev/input/inport` Bus mouse connected to ATI or Microsoft InPort card
`/dev/input/by-id/usb-<usbid here>` A usb mouse via its id
I propose a unified system for input via a Device Tree of sorts

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design.dot Normal file
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strict graph OS {
layout=dot;
ModelingSoftware -- GraphicsAPI;
ModelingSoftware -- HID;
ModelingSoftware -- VFS;
GameEngine3D -- GraphicsAPI;
GameEngine3D -- VFS;
GameEngine3D -- AudioSubsystem;
GameEngine3D -- HID;
GameEngine3D -- Networking;
Git -- VFS;
Git -- Networking;
ListFile -- VFS;
MakeFile -- VFS;
AudioSubsystem -- AbleOSInterface;
GraphicsAPI -- AbleOSInterface;
HID -- AbleOSInterface;
Networking -- AbleOSInterface;
FatFileSystemProc -- VFS;
NTFSFileSystemProc -- VFS;
EXT2 -- VFS;
FatFileSystemProc -- DriveSystemProc;
NTFSFileSystemProc -- DriveSystemProc;
EXT2 -- DriveSystemProc;
DriveSystemProc -- AbleOSInterface;
AbleOSInterface -- DriveSystemProc;
AbleOSInterface -- Kernel;
Kernel -- x86HAL;
Kernel -- riscvHAL;
Kernel -- aarch64HAL;
x86HAL -- GPU;
riscvHAL -- GPU;
aarch64HAL -- GPU;
x86HAL -- SoundCard;
riscvHAL -- SoundCard;
aarch64HAL -- SoundCard;
}

55
kernel/src/arch/x86_64/graphics.rs
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@ -14,6 +14,7 @@ use {
pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| { pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| {
static FB_REQ: FramebufferRequest = FramebufferRequest::new(0); static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
let fb1 = &FB_REQ.get_response().get().unwrap().framebuffers()[0]; let fb1 = &FB_REQ.get_response().get().unwrap().framebuffers()[0];
let m = Mutex::new(Display { let m = Mutex::new(Display {
fb: fb1.address.as_ptr().unwrap().cast(), fb: fb1.address.as_ptr().unwrap().cast(),
size: Size::new(fb1.width as u32, fb1.height as u32), size: Size::new(fb1.width as u32, fb1.height as u32),
@ -26,31 +27,31 @@ pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| {
pub fn init() { pub fn init() {
Lazy::force(&DISPLAY); Lazy::force(&DISPLAY);
} }
pub fn virtio_gpu<T: Transport>(transport: T) { // pub fn virtio_gpu<T: Transport>(transport: T) {
let mut gpu = VirtIOGpu::<AbleosHal, T>::new(transport).expect("failed to create gpu driver"); // let mut gpu = VirtIOGpu::<AbleosHal, T>::new(transport).expect("failed to create gpu driver");
let (width, height) = gpu.resolution().expect("failed to get resolution"); // let (width, height) = gpu.resolution().expect("failed to get resolution");
let width = width as usize; // let width = width as usize;
let height = height as usize; // let height = height as usize;
log::info!("GPU resolution is {}x{}", width, height); // log::info!("GPU resolution is {}x{}", width, height);
let fb = gpu.setup_framebuffer().expect("failed to get fb"); // let fb = gpu.setup_framebuffer().expect("failed to get fb");
for y in 0..height { // for y in 0..height {
for x in 0..width { // for x in 0..width {
let idx = (y * width + x) * 4; // let idx = (y * width + x) * 4;
fb[idx] = x as u8; // fb[idx] = x as u8;
fb[idx + 1] = y as u8; // fb[idx + 1] = y as u8;
fb[idx + 2] = (x + y) as u8; // fb[idx + 2] = (x + y) as u8;
} // }
} // }
gpu.flush().expect("failed to flush"); // gpu.flush().expect("failed to flush");
//delay some time // //delay some time
log::info!("virtio-gpu show graphics...."); // log::info!("virtio-gpu show graphics....");
for _ in 0..100000 { // for _ in 0..100000 {
for _ in 0..100000 { // for _ in 0..100000 {
unsafe { // unsafe {
core::arch::asm!("nop"); // core::arch::asm!("nop");
} // }
} // }
} // }
log::info!("virtio-gpu test finished"); // log::info!("virtio-gpu test finished");
} // }

52
kernel/src/arch/x86_64/logging.rs
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@ -8,41 +8,41 @@ use {
}; };
static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) }); static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) });
// static TERMINAL_LOGGER: Lazy<Mutex<TermLogger>> = Lazy::new(|| Mutex::new(TermLogger::new())); static TERMINAL_LOGGER: Lazy<Mutex<TermLogger>> = Lazy::new(|| Mutex::new(TermLogger::new()));
pub fn init() { pub fn init() {
SERIAL_CONSOLE.lock().init(); SERIAL_CONSOLE.lock().init();
// Lazy::force(&TERMINAL_LOGGER); Lazy::force(&TERMINAL_LOGGER);
} }
pub fn log(args: core::fmt::Arguments<'_>) -> core::fmt::Result { pub fn log(args: core::fmt::Arguments<'_>) -> core::fmt::Result {
x86_64::instructions::interrupts::without_interrupts(|| { x86_64::instructions::interrupts::without_interrupts(|| {
// TERMINAL_LOGGER.lock().write_fmt(args)?; TERMINAL_LOGGER.lock().write_fmt(args)?;
SERIAL_CONSOLE.lock().write_fmt(args) SERIAL_CONSOLE.lock().write_fmt(args)
}) })
} }
// struct TermLogger(&'static TerminalResponse); struct TermLogger(&'static TerminalResponse);
// unsafe impl Send for TermLogger {} unsafe impl Send for TermLogger {}
// impl TermLogger { impl TermLogger {
// pub fn new() -> Self { pub fn new() -> Self {
// static TERM_REQ: TerminalRequest = TerminalRequest::new(0); static TERM_REQ: TerminalRequest = TerminalRequest::new(0);
// Self( Self(
// TERM_REQ TERM_REQ
// .get_response() .get_response()
// .get() .get()
// .expect("failed to get terminal response"), .expect("failed to get terminal response"),
// ) )
// } }
// } }
// impl Write for TermLogger { impl Write for TermLogger {
// fn write_str(&mut self, s: &str) -> core::fmt::Result { fn write_str(&mut self, s: &str) -> core::fmt::Result {
// if let (Some(w), ts) = (self.0.write(), self.0.terminals()) { if let (Some(w), ts) = (self.0.write(), self.0.terminals()) {
// for term in ts { for term in ts {
// w(term, s); w(term, s);
// } }
// } }
// Ok(()) Ok(())
// } }
// } }

5
kernel/src/arch/x86_64/mod.rs
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@ -111,14 +111,15 @@ unsafe extern "C" fn _kernel_start() -> ! {
// Graphics test // Graphics test
{ {
graphics::init();
let mut dis = DISPLAY.lock(); let mut dis = DISPLAY.lock();
use {able_graphics_library::raw_pixel, embedded_graphics::prelude::RgbColor}; use {able_graphics_library::raw_pixel, embedded_graphics::prelude::RgbColor};
dis.set_color(Rgb888::GREEN); dis.set_color(Rgb888::GREEN);
dis.line(1, 1, 10, 10, 4); dis.line(1, 1, 10, 10, 4);
dis.line(1, 200, 100, 10, 1); // dis.line(1, 200, 100, 10, 1);
dis.line(1, 1, 200, 10, 1); // dis.line(1, 1, 200, 10, 1);
} }
crate::kmain::kmain( crate::kmain::kmain(

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