Initial commit
This commit is contained in:
commit
7612fba1e4
GPG Key ID:
7B5F6AFBEC7EE78E
5
.cargo/config.toml
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5
.cargo/config.toml
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@ -0,0 +1,5 @@
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[build]
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target = "x86_64-unknown-mikros"
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[install]
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||||||
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root = "../os_build/sysroot"
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1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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/target
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529
Cargo.lock
generated
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529
Cargo.lock
generated
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@ -0,0 +1,529 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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||||||
|
"syn 2.0.77",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "smallvec"
|
||||||
|
version = "1.13.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "spin"
|
||||||
|
version = "0.9.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
|
||||||
|
dependencies = [
|
||||||
|
"lock_api",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "stable_deref_trait"
|
||||||
|
version = "1.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.109"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.77"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syslog_rpc"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"parking_lot",
|
||||||
|
"postcard",
|
||||||
|
"syslog_structs",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syslog_structs"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"serde",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ttf-parser"
|
||||||
|
version = "0.21.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2c591d83f69777866b9126b24c6dd9a18351f177e49d625920d19f989fd31cf8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.12"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "volatile"
|
||||||
|
version = "0.4.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "442887c63f2c839b346c192d047a7c87e73d0689c9157b00b53dcc27dd5ea793"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "volatile"
|
||||||
|
version = "0.6.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "af8ca9a5d4debca0633e697c88269395493cebf2e10db21ca2dbde37c1356452"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-targets"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm",
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_gnullvm",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_gnullvm",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "x86_64"
|
||||||
|
version = "0.15.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4bc79523af8abf92fb1a970c3e086c5a343f6bcc1a0eb890f575cbb3b45743df"
|
||||||
|
dependencies = [
|
||||||
|
"bit_field",
|
||||||
|
"bitflags",
|
||||||
|
"rustversion",
|
||||||
|
"volatile 0.4.6",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zerocopy"
|
||||||
|
version = "0.7.35"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||||
|
dependencies = [
|
||||||
|
"zerocopy-derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zerocopy-derive"
|
||||||
|
version = "0.7.35"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn 2.0.77",
|
||||||
|
]
|
||||||
17
Cargo.toml
Normal file
17
Cargo.toml
Normal file
@ -0,0 +1,17 @@
|
|||||||
|
[package]
|
||||||
|
name = "bga"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
dev_driver_rpc = { version = "0.1.0", path = "../dev_driver_rpc" }
|
||||||
|
devfs_rpc = { version = "0.1.0", path = "../devfs/devfs_rpc" }
|
||||||
|
file_rpc = { version = "0.1.0", path = "../file_rpc" }
|
||||||
|
fontdue = { version = "0.9.2", default-features = false, features = ["hashbrown"] }
|
||||||
|
itertools = "0.13.0"
|
||||||
|
parking_lot = "0.12.3"
|
||||||
|
pci_rpc = { version = "0.1.0", path = "../pci/pci_rpc" }
|
||||||
|
rhexdump = "0.2.0"
|
||||||
|
syslog_rpc = { version = "0.1.0", path = "../syslog/syslog_rpc" }
|
||||||
|
volatile = { version = "0.6.1", features = ["unstable"] }
|
||||||
|
x86_64 = "0.15.1"
|
||||||
BIN
FiraCode-Regular.ttf
Normal file
BIN
FiraCode-Regular.ttf
Normal file
Binary file not shown.
57
edid.rs
Normal file
57
edid.rs
Normal file
@ -0,0 +1,57 @@
|
|||||||
|
//let mut edid = [0; 1024];
|
||||||
|
//
|
||||||
|
//let edid_vol = unsafe {
|
||||||
|
// VolatilePtr::new(NonNull::slice_from_raw_parts(
|
||||||
|
// NonNull::new(reg_base).unwrap(),
|
||||||
|
// 1024,
|
||||||
|
// ))
|
||||||
|
//};
|
||||||
|
//
|
||||||
|
//edid_vol.copy_into_slice(&mut edid);
|
||||||
|
//
|
||||||
|
//rhexdump!(&edid);
|
||||||
|
//
|
||||||
|
//if edid[35] & 0xC0 > 0 {
|
||||||
|
// println!("Established timing 720x400");
|
||||||
|
//}
|
||||||
|
//if edid[35] & 0x3C > 0 {
|
||||||
|
// println!("Established timing 640x480");
|
||||||
|
//}
|
||||||
|
//if (edid[35] & 0x3 > 0) | (edid[36] & 0xC0 > 0) {
|
||||||
|
// println!("Established timing 800x600");
|
||||||
|
//}
|
||||||
|
//if edid[36] & 0x20 > 0 {
|
||||||
|
// println!("Established timing 832x624");
|
||||||
|
//}
|
||||||
|
//if edid[36] & 0x1E > 0 {
|
||||||
|
// println!("Established timing 1024x768");
|
||||||
|
//}
|
||||||
|
//if edid[36] & 0x1 > 0 {
|
||||||
|
// println!("Established timing 1280x1024");
|
||||||
|
//}
|
||||||
|
//if edid[37] & 0x80 > 0 {
|
||||||
|
// println!("Established timing 1152x870");
|
||||||
|
//}
|
||||||
|
//
|
||||||
|
//for i in 0..7 {
|
||||||
|
// let offset = 38 + 2 * i;
|
||||||
|
// let xres = ((edid[offset] as u32) + 31) * 8;
|
||||||
|
// let aspect = (edid[offset] & 0xC0) >> 6;
|
||||||
|
// let yres = match aspect {
|
||||||
|
// 0 => (xres / 16) * 10,
|
||||||
|
// 1 => (xres / 4) * 3,
|
||||||
|
// 2 => (xres / 5) * 4,
|
||||||
|
// 3 => (xres / 16) * 9,
|
||||||
|
// _ => panic!("Invalid aspect!"),
|
||||||
|
// };
|
||||||
|
// println!("Standard res {i}: {xres}x{yres}");
|
||||||
|
//}
|
||||||
|
//
|
||||||
|
//for (i, offset) in [0x36, 0x48, 0x5A, 0x6C].iter().enumerate() {
|
||||||
|
// let xres = edid[offset + 2] as u32 | ((edid[offset + 4] as u32 & 0xF0) << 4);
|
||||||
|
// if xres == 0 {
|
||||||
|
// continue;
|
||||||
|
// }
|
||||||
|
// let yres = edid[offset + 5] as u32 | ((edid[offset + 7] as u32 & 0xF0) << 4);
|
||||||
|
// println!("Detailed res {i}: {xres}x{yres}");
|
||||||
|
//}
|
||||||
2
rust-toolchain.toml
Normal file
2
rust-toolchain.toml
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
[toolchain]
|
||||||
|
channel = "dev-x86_64-unknown-mikros"
|
||||||
420
src/main.rs
Normal file
420
src/main.rs
Normal file
@ -0,0 +1,420 @@
|
|||||||
|
#![warn(clippy::pedantic)]
|
||||||
|
#![allow(clippy::cast_lossless)]
|
||||||
|
#![allow(clippy::cast_possible_truncation)]
|
||||||
|
#![allow(clippy::cast_possible_wrap)]
|
||||||
|
#![allow(clippy::cast_precision_loss)]
|
||||||
|
#![allow(clippy::cast_sign_loss)]
|
||||||
|
#![allow(clippy::match_same_arms)]
|
||||||
|
#![allow(clippy::missing_panics_doc)]
|
||||||
|
#![allow(clippy::missing_errors_doc)]
|
||||||
|
#![allow(clippy::similar_names)]
|
||||||
|
#![allow(clippy::too_many_lines)]
|
||||||
|
#![allow(clippy::wildcard_imports)]
|
||||||
|
#![allow(clippy::cast_ptr_alignment)]
|
||||||
|
#![warn(clippy::nursery)]
|
||||||
|
#![allow(clippy::suspicious_operation_groupings)]
|
||||||
|
#![allow(clippy::option_if_let_else)]
|
||||||
|
#![allow(clippy::non_send_fields_in_send_ty)]
|
||||||
|
#![allow(clippy::missing_const_for_fn)]
|
||||||
|
#![allow(clippy::while_float)]
|
||||||
|
#![allow(clippy::tuple_array_conversions)]
|
||||||
|
|
||||||
|
use core::str;
|
||||||
|
use std::{
|
||||||
|
borrow::Cow, collections::HashMap, fmt::{self, Write}, os::mikros::{address_space::ACTIVE_SPACE, ipc, syscalls}
|
||||||
|
};
|
||||||
|
|
||||||
|
use fontdue::{layout::{CoordinateSystem, GlyphRasterConfig, Layout, LayoutSettings, TextStyle, WrapStyle}, Font, FontSettings};
|
||||||
|
use itertools::Itertools;
|
||||||
|
use parking_lot::Mutex;
|
||||||
|
use x86_64::structures::paging::PageTableFlags;
|
||||||
|
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_ID_NUM: usize = 0;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_XRES_NUM: usize = 1;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_YRES_NUM: usize = 2;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_BPP_NUM: usize = 3;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_ENABLE_NUM: usize = 4;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_BANK_NUM: usize = 5;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_VIRT_WIDTH_NUM: usize = 6;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_VIRT_HEIGHT_NUM: usize = 7;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_INDEX_X_NUM: usize = 8;
|
||||||
|
#[allow(unused)]
|
||||||
|
const VBE_INDEX_Y_NUM: usize = 9;
|
||||||
|
|
||||||
|
const BGA_MMIO_VBE_OFFSET: usize = 0x500;
|
||||||
|
|
||||||
|
pub struct Bga {
|
||||||
|
mmio_base: *mut u8,
|
||||||
|
framebuffer_base: *mut u8,
|
||||||
|
draw_buffer: Vec<u8>,
|
||||||
|
scroll_offset: usize,
|
||||||
|
xres: usize,
|
||||||
|
yres: usize,
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
unsafe impl Send for Bga {}
|
||||||
|
unsafe impl Sync for Bga {}
|
||||||
|
|
||||||
|
impl Bga {
|
||||||
|
pub unsafe fn new(mmio_base: *mut u8, framebuffer_base: *mut u8) -> Self {
|
||||||
|
Self { mmio_base, framebuffer_base, draw_buffer: Vec::new(), scroll_offset: 0, xres: 0, yres: 0}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Changes the screenn resolution. Also clears the screen.
|
||||||
|
pub fn set_resolution(&mut self, xres: u16, yres: u16) {
|
||||||
|
let vbe_base = self.vbe_base();
|
||||||
|
unsafe {
|
||||||
|
vbe_base.wrapping_add(VBE_ENABLE_NUM).write_volatile(0x0);
|
||||||
|
vbe_base.wrapping_add(VBE_XRES_NUM).write_volatile(xres);
|
||||||
|
vbe_base.wrapping_add(VBE_YRES_NUM).write_volatile(yres);
|
||||||
|
vbe_base.wrapping_add(VBE_BPP_NUM).write_volatile(0x20);
|
||||||
|
vbe_base.wrapping_add(VBE_ENABLE_NUM).write_volatile(0x41);
|
||||||
|
}
|
||||||
|
self.draw_buffer.resize(xres as usize * yres as usize * 4 * 2, 0);
|
||||||
|
self.draw_buffer.fill(0);
|
||||||
|
self.scroll_offset = 0;
|
||||||
|
self.xres = xres as usize;
|
||||||
|
self.yres = yres as usize;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn clear(&mut self) {
|
||||||
|
self.draw_buffer.fill(0);
|
||||||
|
self.scroll_offset = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn set_pixel(&mut self, row: usize, col: usize, value: u8) {
|
||||||
|
if row >= self.yres || col >= self.xres {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let row_offset = self.row_byte_offset(row + self.scroll_offset);
|
||||||
|
self.draw_buffer[row_offset+col*4..][..4].fill(value);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn update_screen(&mut self) {
|
||||||
|
let scroll_top_byte_offset = self.row_byte_offset(self.scroll_offset);
|
||||||
|
let scroll_bot_byte_offset = self.row_byte_offset(self.scroll_offset + self.yres);
|
||||||
|
let visible_buf = &self.draw_buffer[scroll_top_byte_offset..scroll_bot_byte_offset];
|
||||||
|
unsafe { self.framebuffer_base.copy_from_nonoverlapping(&visible_buf[0], visible_buf.len()) };
|
||||||
|
}
|
||||||
|
|
||||||
|
fn vbe_base(&self) -> *mut u16 {
|
||||||
|
self.mmio_base.wrapping_add(BGA_MMIO_VBE_OFFSET).cast::<u16>()
|
||||||
|
}
|
||||||
|
|
||||||
|
fn row_byte_offset(&self, row: usize) -> usize {
|
||||||
|
4 * self.xres * row
|
||||||
|
}
|
||||||
|
|
||||||
|
fn clear_raw_row(&mut self, row: usize) {
|
||||||
|
if row >= self.yres*2 {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let offset = self.row_byte_offset(row);
|
||||||
|
self.draw_buffer[offset..][..(self.xres * 4)].fill(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn clear_row(&mut self, row: usize) {
|
||||||
|
if row >= self.yres {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
self.clear_raw_row(row + self.scroll_offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: Explain this function's logic
|
||||||
|
fn scroll_by(&mut self, offset: usize) {
|
||||||
|
if offset > self.yres {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let old_offset = self.scroll_offset;
|
||||||
|
self.scroll_offset += offset;
|
||||||
|
if self.scroll_offset >= self.yres {
|
||||||
|
for row in (old_offset + self.yres)..(self.yres*2) {
|
||||||
|
self.clear_raw_row(row);
|
||||||
|
}
|
||||||
|
self.scroll_offset -= self.yres;
|
||||||
|
let half_buf_size = self.row_byte_offset(self.yres);
|
||||||
|
let (scr_1,scr_2) = self.draw_buffer.split_at_mut(half_buf_size);
|
||||||
|
scr_1.copy_from_slice(scr_2);
|
||||||
|
for row in (self.yres)..(self.yres + self.scroll_offset) {
|
||||||
|
self.clear_raw_row(row);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
for row in (old_offset + self.yres)..(self.scroll_offset + self.yres) {
|
||||||
|
self.clear_raw_row(row);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct FramebufferWriter {
|
||||||
|
out_string: String,
|
||||||
|
font: Font,
|
||||||
|
layout: Layout,
|
||||||
|
next_line_y: usize,
|
||||||
|
glyph_cache: HashMap<GlyphRasterConfig, Vec<u8>>,
|
||||||
|
cursor_height: usize,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl FramebufferWriter {
|
||||||
|
fn new(font: Font, fbuf: &Bga) -> Self {
|
||||||
|
let mut layout = Layout::new(CoordinateSystem::PositiveYDown);
|
||||||
|
layout.reset(&LayoutSettings {
|
||||||
|
max_width: Some(fbuf.xres as f32),
|
||||||
|
max_height: Some(fbuf.yres as f32),
|
||||||
|
wrap_style: WrapStyle::Letter,
|
||||||
|
..Default::default()
|
||||||
|
});
|
||||||
|
Self {
|
||||||
|
out_string: String::new(),
|
||||||
|
font,
|
||||||
|
layout,
|
||||||
|
next_line_y: 0,
|
||||||
|
glyph_cache: HashMap::new(),
|
||||||
|
cursor_height: 0,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn update_screen(&mut self, fbuf: &mut Bga) {
|
||||||
|
self.layout.clear();
|
||||||
|
self.layout.append(&[&self.font], &TextStyle::new(&self.out_string, 12.0, 0));
|
||||||
|
let text_height = self.layout.height();
|
||||||
|
self.layout.append(&[&self.font], &TextStyle::new("\u{2588}", 12.0, 0));
|
||||||
|
|
||||||
|
if (self.next_line_y + self.layout.height() as usize) > fbuf.yres {
|
||||||
|
let excess_y =
|
||||||
|
self.layout.height() as usize - (fbuf.yres - self.next_line_y);
|
||||||
|
fbuf.scroll_by(excess_y);
|
||||||
|
self.next_line_y -= excess_y;
|
||||||
|
}
|
||||||
|
|
||||||
|
for row in 0..usize::max(self.cursor_height+5,text_height as usize) {
|
||||||
|
fbuf.clear_row(self.next_line_y + row);
|
||||||
|
}
|
||||||
|
|
||||||
|
//for row in 0..(fbuf.yres - self.next_line_y) {
|
||||||
|
// fbuf.clear_row(self.next_line_y + row);
|
||||||
|
//}
|
||||||
|
|
||||||
|
self.cursor_height = (self.layout.height() - text_height) as usize;
|
||||||
|
|
||||||
|
let glyphs = self.layout.glyphs();
|
||||||
|
|
||||||
|
let mut first_line_top_offset = None;
|
||||||
|
|
||||||
|
for line in self.layout.lines().unwrap() {
|
||||||
|
if first_line_top_offset.is_none() {
|
||||||
|
first_line_top_offset = Some((line.baseline_y - line.max_ascent) as usize);
|
||||||
|
}
|
||||||
|
let first_line_top_offset = first_line_top_offset.unwrap();
|
||||||
|
for glyph_pos in &glyphs[line.glyph_start..=line.glyph_end] {
|
||||||
|
if glyph_pos.width == 0 || glyph_pos.height == 0 {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
let bitmap: Cow<[u8]> = if let Some(bitmap) = self.glyph_cache.get(&glyph_pos.key) {
|
||||||
|
bitmap.into()
|
||||||
|
} else {
|
||||||
|
let bitmap = self.font.rasterize_config(glyph_pos.key).1;
|
||||||
|
self.glyph_cache.insert(glyph_pos.key, bitmap.clone());
|
||||||
|
bitmap.into()
|
||||||
|
};
|
||||||
|
for (i, &pixel) in bitmap.iter().enumerate() {
|
||||||
|
let row = i / glyph_pos.width;
|
||||||
|
let col = i % glyph_pos.width;
|
||||||
|
fbuf.set_pixel(
|
||||||
|
row + glyph_pos.y as usize - first_line_top_offset + self.next_line_y,
|
||||||
|
col + glyph_pos.x as usize,
|
||||||
|
pixel,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let last_line = self.layout.lines().unwrap().last().unwrap();
|
||||||
|
fbuf.update_screen();
|
||||||
|
|
||||||
|
let first_char_offset = glyphs[last_line.glyph_start].byte_offset;
|
||||||
|
let last_char_offset = glyphs[last_line.glyph_end -1].byte_offset;
|
||||||
|
let mut last_char_end = last_char_offset + 1;
|
||||||
|
while last_char_end < self.out_string.len() && !self.out_string.is_char_boundary(last_char_end) {
|
||||||
|
last_char_end += 1;
|
||||||
|
}
|
||||||
|
let log_line_slice = &self.out_string[first_char_offset..last_char_end];
|
||||||
|
|
||||||
|
let before_last_height = (last_line.baseline_y - last_line.max_ascent) as usize;
|
||||||
|
|
||||||
|
if self.out_string.ends_with('\n') {
|
||||||
|
self.out_string.clear();
|
||||||
|
self.next_line_y += text_height as usize;
|
||||||
|
} else {
|
||||||
|
self.out_string = log_line_slice.to_string();
|
||||||
|
self.next_line_y += before_last_height;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl fmt::Write for FramebufferWriter {
|
||||||
|
fn write_char(&mut self, c: char) -> fmt::Result {
|
||||||
|
self.out_string.push(c);
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
fn write_str(&mut self, s: &str) -> core::fmt::Result {
|
||||||
|
self.out_string.push_str(s);
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct DevServ;
|
||||||
|
|
||||||
|
impl dev_driver_rpc::Server for DevServ {
|
||||||
|
fn open(&self, _path: &std::path::Path) -> Result<u64, ()> {
|
||||||
|
Ok(0)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct FileServ {
|
||||||
|
fbwriter: Mutex<FramebufferWriter>,
|
||||||
|
fbuffer: Mutex<Bga>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl file_rpc::Server for FileServ {
|
||||||
|
fn read(
|
||||||
|
&self,
|
||||||
|
_fd: u64,
|
||||||
|
_pos: u64,
|
||||||
|
_len: usize,
|
||||||
|
) -> std::result::Result<std::borrow::Cow<'_, [u8]>, ()> {
|
||||||
|
Err(())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[allow(clippy::significant_drop_tightening)]
|
||||||
|
fn write(&self, _fd: u64, _pos: u64, data: &[u8]) -> Result<(), ()> {
|
||||||
|
let string = str::from_utf8(data).map_err(|_| ())?;
|
||||||
|
let mut fbwriter = self.fbwriter.lock();
|
||||||
|
let mut fbuffer = self.fbuffer.lock();
|
||||||
|
let _ = fbwriter.write_str(string); // never errors
|
||||||
|
fbwriter.update_screen(&mut fbuffer);
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn close(&self, _fd: u64) {}
|
||||||
|
|
||||||
|
fn size(&self, _fd: u64) -> Option<u64> {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let syslog_pid = loop {
|
||||||
|
if let Some(pid) = syscalls::try_get_registered(2) {
|
||||||
|
break pid;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
let syslog_client = syslog_rpc::Client::new(syslog_pid);
|
||||||
|
let (bus_str, dev_str, func_str, pci_pid_str, dev_id_str) = std::env::args()
|
||||||
|
.skip(1)
|
||||||
|
.collect_tuple::<(_, _, _, _, _)>()
|
||||||
|
.expect("Usage: bga <bus> <dev> <func> <PCI driver PID> <Device ID>");
|
||||||
|
let bus = bus_str
|
||||||
|
.parse::<u8>()
|
||||||
|
.unwrap_or_else(|_| panic!("{bus_str:?} is not a valid bus number"));
|
||||||
|
let dev = dev_str
|
||||||
|
.parse::<u8>()
|
||||||
|
.unwrap_or_else(|_| panic!("{dev_str:?} is not a valid device number"));
|
||||||
|
let func = func_str
|
||||||
|
.parse::<u8>()
|
||||||
|
.unwrap_or_else(|_| panic!("{func_str:?} is not a valid function number"));
|
||||||
|
let pci_pid = pci_pid_str
|
||||||
|
.parse::<u64>()
|
||||||
|
.unwrap_or_else(|_| panic!("{pci_pid_str:?} is not a valid PID"));
|
||||||
|
let dev_id = dev_id_str
|
||||||
|
.parse::<u64>()
|
||||||
|
.unwrap_or_else(|_| panic!("{dev_id_str:?} is not a valid device ID"));
|
||||||
|
|
||||||
|
syslog_client.send_text_message("bga", format!("Started on PCI device with address: Bus # {bus}, device # {dev}, and function # {func}")).unwrap();
|
||||||
|
syslog_client
|
||||||
|
.send_text_message("bga", format!("PCI driver has PID {pci_pid}"))
|
||||||
|
.unwrap();
|
||||||
|
|
||||||
|
let pci_client = pci_rpc::Client::new(pci_pid);
|
||||||
|
let bars = pci_client.get_bars(bus, dev, func).unwrap();
|
||||||
|
|
||||||
|
let mmio_base: *mut u8 = unsafe {
|
||||||
|
ACTIVE_SPACE
|
||||||
|
.lock()
|
||||||
|
.unwrap()
|
||||||
|
.map_free_to(
|
||||||
|
bars[2].1 as u64,
|
||||||
|
bars[2].2.div_ceil(4096) as usize,
|
||||||
|
(PageTableFlags::WRITABLE | PageTableFlags::WRITE_THROUGH).bits(),
|
||||||
|
)
|
||||||
|
.unwrap()
|
||||||
|
};
|
||||||
|
|
||||||
|
let framebuffer_base: *mut u8 = unsafe {
|
||||||
|
ACTIVE_SPACE
|
||||||
|
.lock()
|
||||||
|
.unwrap()
|
||||||
|
.map_free_to(
|
||||||
|
bars[0].1 as u64,
|
||||||
|
bars[0].2.div_ceil(4096) as usize,
|
||||||
|
(PageTableFlags::WRITABLE | PageTableFlags::WRITE_THROUGH).bits(),
|
||||||
|
)
|
||||||
|
.unwrap()
|
||||||
|
};
|
||||||
|
|
||||||
|
let vbe_base = mmio_base.wrapping_add(BGA_MMIO_VBE_OFFSET).cast::<u16>();
|
||||||
|
|
||||||
|
let version = unsafe { vbe_base.wrapping_add(VBE_ID_NUM).read_volatile() };
|
||||||
|
|
||||||
|
syslog_client
|
||||||
|
.send_text_message("bga", format!("BGA version {version:#x}"))
|
||||||
|
.unwrap();
|
||||||
|
if version != 0xB0C5 {
|
||||||
|
syslog_client
|
||||||
|
.send_text_message(
|
||||||
|
"bga",
|
||||||
|
"Error: Only compatible with version 0xB0C5, aborting",
|
||||||
|
)
|
||||||
|
.unwrap();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut bga = unsafe { Bga::new(mmio_base, framebuffer_base) };
|
||||||
|
|
||||||
|
syslog_client
|
||||||
|
.send_text_message("bga", "Setting resolution to 1920x1050")
|
||||||
|
.unwrap();
|
||||||
|
bga.set_resolution(1920, 1050);
|
||||||
|
|
||||||
|
let font = Font::from_bytes(include_bytes!("../FiraCode-Regular.ttf").as_slice(), FontSettings::default()).unwrap();
|
||||||
|
let writer = FramebufferWriter::new(font, &bga);
|
||||||
|
|
||||||
|
dev_driver_rpc::register_server(Box::new(DevServ));
|
||||||
|
file_rpc::register_server(Box::new(FileServ {
|
||||||
|
fbwriter: Mutex::new(writer),
|
||||||
|
fbuffer: Mutex::new(bga),
|
||||||
|
}));
|
||||||
|
let devfs_pid;
|
||||||
|
loop {
|
||||||
|
if let Some(pid) = syscalls::try_get_registered(1) {
|
||||||
|
devfs_pid = pid;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
devfs_rpc::Client::new(devfs_pid)
|
||||||
|
.register_dev(&format!("bga{dev_id}"))
|
||||||
|
.unwrap();
|
||||||
|
loop {
|
||||||
|
ipc::process_messages();
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user