forked from AbleOS/ableos
add support for the device tree
This commit is contained in:
parent
40cc412ab3
commit
9686349476
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@ -6,6 +6,7 @@ use {
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core::fmt,
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hashbrown::HashMap,
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};
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/// A device object.
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/// TODO define device
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pub type Device = xml::XMLElement;
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@ -23,27 +24,29 @@ impl DeviceTree {
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let mut dt = Self {
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devices: HashMap::new(),
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};
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device_tree!(dt, [
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"Mice",
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"Keyboards",
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"Controllers",
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"Generic HIDs",
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"Disk Drives",
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"CD Drives",
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"Batteries",
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"Monitors",
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"GPUs",
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"CPUs",
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"USB",
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"Serial Ports",
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"Cameras",
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"Biometric Devices",
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]);
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device_tree!(
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dt,
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[
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"Mice",
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"Keyboards",
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"Controllers",
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"Generic HIDs",
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"Disk Drives",
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"CD Drives",
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"Batteries",
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"Monitors",
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"GPUs",
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"CPUs",
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"USB",
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"Serial Ports",
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"Cameras",
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"Biometric Devices",
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]
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);
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dt
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}
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}
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use crate::{utils::TAB, device_tree};
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use crate::tab;
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use crate::{device_tree, tab, utils::TAB};
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impl fmt::Display for DeviceTree {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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writeln!(f)?;
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@ -6,6 +6,7 @@ use crate::{
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allocator,
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holeybytes::kernel_services::{
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block_read,
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dt_msg_handler::dt_msg_handler,
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service_definition_service::{sds_msg_handler, SERVICES},
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},
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};
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@ -134,6 +135,12 @@ pub fn handler(vm: &mut Vm) {
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}
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#[cfg(not(target_arch = "x86_64"))]
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3 => unimplemented!("TODO: implement whatever buffer 3 does for no x86_64"),
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5 => match dt_msg_handler(vm, mem_addr, length) {
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Ok(()) => {}
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Err(err) => log::error!("Improper dt query"),
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},
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buffer_id => {
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let mut buffs = IPC_BUFFERS.lock();
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match buffs.get_mut(&buffer_id) {
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92
kernel/src/holeybytes/kernel_services/dt_msg_handler.rs
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92
kernel/src/holeybytes/kernel_services/dt_msg_handler.rs
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@ -0,0 +1,92 @@
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use {
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crate::holeybytes::{kernel_services::block_read, Vm},
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alloc::{
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borrow::ToOwned,
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string::{String, ToString},
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vec::Vec,
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},
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log::debug,
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};
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pub enum DtError {
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QueryFailure,
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}
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pub fn dt_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), DtError> {
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let mut msg_vec = block_read(mem_addr, length);
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let mut bytes: Vec<u8> = Vec::new();
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for byte in msg_vec {
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if byte == 0 {
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break;
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}
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bytes.push(byte)
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}
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let query_string = String::from_utf8(bytes).unwrap();
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log::trace!("Query {}", query_string);
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let ret = query_parse(query_string);
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log::trace!("Query response {}", ret);
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vm.registers[1] = hbvm::value::Value(ret);
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Ok(())
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}
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fn query_parse(query_string: String) -> u64 {
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let qt_parse_step_one = query_string.split("/");
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let mut qt_parse_step_two: Vec<String> = Vec::new();
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for a in qt_parse_step_one {
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qt_parse_step_two.push(a.to_string());
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}
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let first_fragment: &str = &qt_parse_step_two[0];
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let ret = match first_fragment {
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"framebuffer" => framebuffer_parse(qt_parse_step_two),
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"cpu" => cpu_parse(qt_parse_step_two),
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_ => 0,
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};
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return ret;
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}
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fn cpu_parse(qt_parse_step_two: Vec<String>) -> u64 {
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let second_fragment: &str = &qt_parse_step_two[1];
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match second_fragment {
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// "architecture" => {
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// return 0;
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// }
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_ => {
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return 0;
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}
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};
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}
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fn framebuffer_parse(qt_parse_step_two: Vec<String>) -> u64 {
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use {
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crate::kmain::FB_REQ,
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limine::{Framebuffer, NonNullPtr},
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};
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let fbs = &FB_REQ.get_response().get().unwrap().framebuffers();
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let second_fragment: &str = &qt_parse_step_two[1];
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match second_fragment {
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"fb0" => {
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let fb_front = &fbs[0];
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let third_fragment: &str = &qt_parse_step_two[2];
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let ret = match third_fragment {
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"ptr" => {
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let ptr = fb_front.address.as_ptr().unwrap();
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ptr as usize as u64
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}
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"width" => fb_front.width,
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"height" => fb_front.height,
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_ => 0,
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};
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return ret;
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}
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_ => {
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return 0;
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}
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};
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}
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@ -1,5 +1,6 @@
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use alloc::{vec, vec::Vec};
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pub mod dt_msg_handler;
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pub mod mem_serve;
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pub mod service_definition_service;
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1
sysdata/libraries/dt_api/README.md
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1
sysdata/libraries/dt_api/README.md
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@ -0,0 +1 @@
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# dt_api
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sysdata/libraries/dt_api/src/lib.hb
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8
sysdata/libraries/dt_api/src/lib.hb
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stn := @use("rel:../../stn/src/lib.hb");
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.{string, memory, buffer} := stn
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dt_get := fn(query: ^u8): int {
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message_length := string.length(query)
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return @eca(int, 3, 5, query, message_length)
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}
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@ -1,4 +1,4 @@
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stn := @use("rel:../../stn/src/lib.hb")
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stn := @use("rel:../../stn/src/lib.hb");
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.{string, memory, buffer} := stn
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WindowID := struct {
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@ -13,8 +13,6 @@ create_window := fn(channel: int): void {
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windowing_system_buffer := buffer.search("XHorizon\0")
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if windowing_system_buffer == 0 {
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} else {
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msg := "\{01}\0"
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1
sysdata/programs/dt_buffer_test/README.md
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1
sysdata/programs/dt_buffer_test/README.md
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# dt_buffer_test
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sysdata/programs/dt_buffer_test/meta.toml
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11
sysdata/programs/dt_buffer_test/meta.toml
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[package]
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name = "dt_buffer_test"
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authors = ["able"]
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[dependants.libraries]
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[dependants.binaries]
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hblang.version = "1.0.0"
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[build]
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command = "hblang src/main.hb"
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sysdata/programs/dt_buffer_test/src/main.hb
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8
sysdata/programs/dt_buffer_test/src/main.hb
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dt_api := @use("../../../libraries/dt_api/src/lib.hb")
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main := fn(): int {
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dt_api.dt_get("framebuffer/fb0/width\0")
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dt_api.dt_get("cpu/architecture\0")
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return 0
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}
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@ -39,3 +39,7 @@ path = "boot:///horizon.hbf"
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[boot.limine.ableos.modules.horizon_testing_program]
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path = "boot:///horizon_testing_program.hbf"
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[boot.limine.ableos.modules.dt_buffer_test]
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path = "boot:///dt_buffer_test.hbf"
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