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BOOT: Work on boot modules

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able 2023-07-08 23:22:44 -05:00
parent c276476068
commit 8e8289f5ba
7 changed files with 309 additions and 366 deletions
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Cargo.lock generated
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@ -5,7 +5,7 @@ version = 3
[[package]] [[package]]
name = "able_graphics_library" name = "able_graphics_library"
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@ -36,9 +36,9 @@ dependencies = [
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@ -49,6 +49,12 @@ version = "0.2.15"
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@ -60,9 +66,9 @@ dependencies = [
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@ -153,23 +165,13 @@ dependencies = [
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@ -194,57 +196,13 @@ dependencies = [
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@ -307,13 +265,13 @@ dependencies = [
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@ -415,7 +373,7 @@ dependencies = [
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@ -427,12 +385,12 @@ dependencies = [
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@ -454,9 +412,9 @@ dependencies = [
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@ -519,9 +464,9 @@ checksum = "616cde7c720bb2bb5824a224687d8f77bfd38922027f01d825cd7453be5099fb"
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@ -536,7 +481,7 @@ dependencies = [
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59
kernel/src/arch/x86_64/mod.rs
View file

@ -2,7 +2,7 @@ use {limine::SmpRequest, xml::XMLElement};
use embedded_graphics::pixelcolor::Rgb888; use embedded_graphics::pixelcolor::Rgb888;
use crate::{arch::x86_64::graphics::DISPLAY, kmain::DEVICE_TREE}; use crate::{arch::x86_64::graphics::DISPLAY, bootmodules::BootModule, kmain::DEVICE_TREE};
pub mod memory; pub mod memory;
@ -180,6 +180,52 @@ unsafe extern "C" fn _kernel_start() -> ! {
// TODO: Add in rdseed and rdrand as sources for randomness // TODO: Add in rdseed and rdrand as sources for randomness
let _rand = xml::XMLElement::new("Random"); let _rand = xml::XMLElement::new("Random");
let bm = MOD_REQ.get_response().get();
let mut bootmodules = alloc::vec::Vec::new();
if bm.is_some() {
let bm = bm.unwrap();
for x in 0..bm.module_count {
let file = bm.modules().get(x as usize);
if file.is_some() {
let file = file.unwrap();
let raw_bytes = core::slice::from_raw_parts(
file.base.as_ptr().expect("invalid initrd"),
file.length as usize,
)
.to_vec();
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 = 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);
}
log::trace!("module path: {:?}", file_path);
log::trace!("module cmd: {:?}", file_cmd);
bootmodules.push(BootModule::new(
file_path.unwrap(),
raw_bytes,
file_cmd.unwrap(),
));
} else {
log::error!("You should not be here");
break;
}
}
log::info!("Boot module count: {:?}", bootmodules.len());
assert_eq!(bm.module_count, bootmodules.len() as u64);
}
crate::kmain::kmain( crate::kmain::kmain(
KFILE_REQ KFILE_REQ
.get_response() .get_response()
@ -192,16 +238,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
.transpose() .transpose()
.expect("expected valid cmdline string") .expect("expected valid cmdline string")
.unwrap_or_default(), .unwrap_or_default(),
MOD_REQ bootmodules,
.get_response()
.get()
.and_then(|m| m.modules().get(0))
.map(|file| unsafe {
core::slice::from_raw_parts(
file.base.as_ptr().expect("invalid initrd"),
file.length as usize,
)
}),
) )
} }

36
kernel/src/bootmodules.rs Normal file
View file

@ -0,0 +1,36 @@
use {
crate::alloc::string::ToString,
alloc::{string::String, vec::Vec},
clparse::Arguments,
core::fmt::{Debug, Display},
log::trace,
xml::XMLElement,
};
pub type BootModules = Vec<BootModule>;
pub struct BootModule {
pub path: String,
pub bytes: Vec<u8>,
pub cmd: String,
}
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);
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
}

20
kernel/src/host.rs
View file

@ -63,6 +63,8 @@ pub enum HostError {
// // pub fn rpc_register(_engine: &mut Engine) {} // // pub fn rpc_register(_engine: &mut Engine) {}
// // pub fn rpc_call(_engine: &mut Engine) {} // // pub fn rpc_call(_engine: &mut Engine) {}
use log::error;
use hbvm::vm::{ use hbvm::vm::{
mem::{Memory, MemoryAccessReason, PageSize}, mem::{Memory, MemoryAccessReason, PageSize},
trap::HandleTrap, trap::HandleTrap,
@ -74,12 +76,20 @@ pub struct TrapHandler;
impl HandleTrap for TrapHandler { impl HandleTrap for TrapHandler {
fn page_fault( fn page_fault(
&mut self, &mut self,
_: MemoryAccessReason, mar: MemoryAccessReason,
_: &mut Memory, memory: &mut Memory,
_: u64, vaddr: u64,
_: PageSize, size: PageSize,
_: *mut u8, dataptr: *mut u8,
) -> bool { ) -> bool {
error!(
"MemoryAccessReason: {}
Memory: {:?}
VAddr: {}
Size: {:?}
DataPTR: {:?}",
mar, memory, vaddr, size, dataptr
);
false false
} }

134
kernel/src/kmain.rs
View file

@ -1,108 +1,102 @@
//! AbleOS Kernel Entrypoint //! AbleOS Kernel Entrypoint
// use crate::arch::sloop;
use { use {
crate::{alloc::string::ToString, arch::logging::SERIAL_CONSOLE, device_tree::DeviceTree}, crate::{
clparse::Arguments, arch::logging::SERIAL_CONSOLE,
log::{debug, trace}, bootmodules::{build_cmd, BootModules},
device_tree::DeviceTree,
},
alloc::format,
log::{debug, info, trace},
spin::{Lazy, Mutex}, spin::{Lazy, Mutex},
xml::XMLElement, xml::XMLElement,
}; };
pub fn kmain(cmdline: &str, bootstrap: Option<&'static [u8]>) -> ! { pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
debug!("Entered kmain"); debug!("Entered kmain");
let mut cmdline = cmdline.to_string(); let kcmd = build_cmd("Kernel Command Line", &cmdline);
cmdline.pop();
cmdline.remove(0);
let kcmd = Arguments::parse(cmdline.to_string()).unwrap();
trace!("Cmdline: {kcmd:?}"); trace!("Cmdline: {kcmd:?}");
let mut kcl = XMLElement::new("Kernel Command Line"); for (i, bm) in boot_modules.iter().enumerate() {
for (key, value) in kcmd.arguments { let name = format!("module-{}", i);
kcl.set_attribute(key, value); let _bmcmd: XMLElement;
if bm.cmd.len() >= 2 {
// TODO: pass into the program
_bmcmd = build_cmd(name, bm.cmd.clone());
}
} }
debug!("kernel command line object: {:?}", kcl);
let bootstrap = bootstrap/*.expect("no bootstrap found")*/;
match bootstrap {
Some(bootstrap_mod) => {
debug!("Bootstrap Module: {:?}", bootstrap_mod);
}
None => {
debug!("No bootstrap module loaded.")
}
}
let dt = DEVICE_TREE.lock(); let dt = DEVICE_TREE.lock();
log::info!("Device Tree{}", dt); info!("Device Tree{}", dt);
log::info!("Boot complete. Moving to init_system"); info!("Boot complete. Moving to init_system");
// TODO: schedule the disk driver from the initramfs // TODO: schedule the disk driver from the initramfs
// TODO: schedule the filesystem driver from the initramfs // TODO: schedule the filesystem driver from the initramfs
// TODO: schedule the init system from the initramfs // TODO: schedule the init system from the initramfs
let code = "li r1, 8
li r2, 10
add r1, r1, r2
ecall"
.to_string();
let mut prog = alloc::vec![];
// TODO: Port hbasm to be fully nostd
if let Err(e) = hbasm::assembly(&code, &mut prog) {
log::error!(
"Error {:?} at {:?} (`{}`)",
e.kind,
e.span.clone(),
&code[e.span],
);
}
use hbvm::validate::validate;
#[allow(clippy::redundant_else)]
if let Err(e) = validate(&prog) {
log::error!("Program validation error: {e:?}");
} else {
log::info!("valid program");
unsafe {
use {crate::host::TrapHandler, hbvm::vm::Vm};
let mut vm = Vm::new_unchecked(&prog, TrapHandler);
vm.memory.insert_test_page();
log::info!("Program interrupt: {:?}", vm.run());
log::info!("{:?}", vm.registers);
}
}
// TODO: change this to a driver // TODO: change this to a driver
{ {
let _buf = [8; 128 * 4]; let mut prog = alloc::vec![];
let mut code = alloc::string::String::new();
let mut sc = SERIAL_CONSOLE.lock(); let mut sc = SERIAL_CONSOLE.lock();
loop { loop {
// TODO: Implement an API for sending and recieving serial stuff match sc.receive() {
{ b'\r' => {
fn read_ipc_buff() {} code.push('\n');
fn write_ipc_buff() {}
// TODO: read from the IPC buffer and push to serial stream sc.send(b'\r');
let _msg = read_ipc_buff(); sc.send(b'\n');
for byte in 0..0 {
sc.send(byte); match hbasm::assembly(&code, &mut prog) {
Ok(_) => {
use hbvm::validate::validate;
match validate(&prog) {
Err(_e) => {
// log::error!("Program validation error: {e:?}");
}
Ok(_) => {
// log::info!("valid program");
use {crate::host::TrapHandler, hbvm::vm::Vm};
let mut vm;
unsafe {
vm = Vm::new_unchecked(&prog, TrapHandler);
vm.memory.insert_test_page();
}
// log::info!("Program interrupt: {:?}", vm.run());
// log::debug!("{:?}", vm.registers);
} }
} }
match sc.receive() { sc.send(b'>');
b'\r' => { }
sc.send(b'\n'); Err(_e) => {
// log::error!(
// "Error {:?} at {:?} (`{}`)",
// e.kind,
// e.span.clone(),
// &code[e.span],
// );
for x in "err".as_bytes() {
sc.send(*x);
}
}
}
code = alloc::string::String::new();
} }
byte => { byte => {
code.push(byte as char);
sc.send(byte); sc.send(byte);
} }
} }
} }
} }
// sloop();
} }
pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| { pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {

1
kernel/src/lib.rs
View file

@ -21,6 +21,7 @@ extern crate alloc;
mod allocator; mod allocator;
mod arch; mod arch;
mod bootmodules;
pub mod device_tree; pub mod device_tree;
pub mod handle; pub mod handle;
pub mod host; pub mod host;

11
repbuild/limine.cfg
View file

@ -13,10 +13,13 @@ TERM_BACKDROP=008080
COMMENT=Default AbleOS boot entry. COMMENT=Default AbleOS boot entry.
PROTOCOL=limine PROTOCOL=limine
KERNEL_PATH=${ABLEOS_KERNEL} KERNEL_PATH=${ABLEOS_KERNEL}
KERNEL_CMDLINE="baka=false foobles=true" # execute is an array of boot modules to execute
# KERNEL_CMDLINE="" KERNEL_CMDLINE="execute=[0,1]"
# Setting a default resolution for the framebuffer # Setting a default resolution for the framebuffer
RESOLUTION=1024x768x24 RESOLUTION=1024x768x24
# MODULE_PATH=boot:///boot/fs.wasm MODULE_PATH=boot:///background.bmp
# MODULE_CMDLINE=This is the first module. MODULE_CMDLINE="diskid=123456789"
MODULE_PATH=boot:///background.bmp
MODULE_CMDLINE=""