diff --git a/.idea/FoundryOS.iml b/.idea/FoundryOS.iml
index 4c628e5..e1befda 100644
--- a/.idea/FoundryOS.iml
+++ b/.idea/FoundryOS.iml
@@ -6,6 +6,7 @@
+
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..a55e7a1
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/kernel/src/arch/x86_64/cpu/apic.rs b/kernel/src/arch/x86_64/cpu/apic.rs
index 25ad2e0..3672f38 100644
--- a/kernel/src/arch/x86_64/cpu/apic.rs
+++ b/kernel/src/arch/x86_64/cpu/apic.rs
@@ -1,7 +1,7 @@
use core::arch::x86_64::__cpuid;
use crate::arch::x86_64::memory::mapping::PHYSICAL_MEMORY_OFFSET;
-use crate::serial_print;
+use crate::{serial_print, serial_println};
use x86_64::{
PhysAddr, VirtAddr,
structures::paging::{Mapper, Page, PageTableFlags, PhysFrame, Size4KiB},
@@ -40,19 +40,21 @@ fn get_apic_base() -> PhysAddr {
PhysAddr::new(value & 0xfffff0000)
}
-fn write_apic_register(apic_base: &VirtAddr, reg: u8, value: u32) {
+fn write_apic_register(apic_base: &PhysAddr, reg: u8, value: u32) {
let apic_base = apic_base.as_u64();
let reg_addr = (apic_base & 0xFFFFF0000) + reg as u64;
- unsafe { *(reg_addr as *mut u32) = value };
+ let virt_addr = unsafe { phys_to_virt(PhysAddr::new(reg_addr)) };
+ unsafe { *(virt_addr.as_u64() as *mut u32) = value };
}
-fn read_apic_register(apic_base: &VirtAddr, reg: u8) -> u32 {
+fn read_apic_register(apic_base: &PhysAddr, reg: u8) -> u32 {
let apic_base = apic_base.as_u64();
-
- serial_print!("got apic base");
-
let reg_addr = (apic_base & 0xFFFFF0000) + reg as u64;
- unsafe { *(reg_addr as *const u32) }
+
+ serial_println!("reading: {:?}", VirtAddr::new(reg_addr));
+
+ let virt_addr = unsafe { phys_to_virt(PhysAddr::new(reg_addr)) };
+ unsafe { *(virt_addr.as_u64() as *const u32) }
}
pub fn check_apic() -> bool {
@@ -74,27 +76,15 @@ pub fn enable_apic() {
let apic_phys_addr = get_apic_base();
set_apic_base_enable(apic_phys_addr);
// map virt address of apic
-
let apic_virt = unsafe { phys_to_virt(apic_phys_addr) };
- let page: Page = Page::containing_address(apic_virt);
- let frame: PhysFrame = PhysFrame::containing_address(apic_phys_addr);
- let flags: PageTableFlags = PageTableFlags::PRESENT | PageTableFlags::WRITABLE;
- unsafe {
- match mapper.map_to(page, frame, flags, &mut *frame_allocator) {
- Ok(_) => {}
- Err(why) => panic!("failed to map apic: {:?}", why),
- }
- }
+ serial_println!("Trying to map: {:?} -> {:?}", apic_virt, apic_phys_addr);
- // // FIXME: this causes a page fault
- // // TODO: map to virtual memory
+ // FIXME: this causes a page fault
+ // TODO: map to virtual memory
- let reg = read_apic_register(&apic_virt, 0xF0);
-
- serial_print!("ok2");
-
- write_apic_register(&apic_virt, 0xF0, reg | 0x100);
+ let reg = read_apic_register(&apic_phys_addr, 0xF0);
+ write_apic_register(&apic_phys_addr, 0xF0, reg | 0x100);
}
pub struct Apic {}
diff --git a/kernel/src/lib.rs b/kernel/src/lib.rs
index 20340e1..1a692bc 100644
--- a/kernel/src/lib.rs
+++ b/kernel/src/lib.rs
@@ -22,6 +22,7 @@ use core::arch::asm;
use limine::BaseRevision;
use x86_64::VirtAddr;
use arch::x86_64::memory::allocation::page_alloc::FoundryOSFrameAllocator;
+use crate::arch::x86_64::cpu::apic::enable_apic;
pub mod arch;
pub mod resources;
@@ -99,17 +100,17 @@ pub fn boot() -> Result<(), &'static str> {
}
println_log!("[Success]");
- print_log!(" Enabling PICs... ");
- interrupts::enable_pic();
- println_log!("[Success]");
+ // print_log!(" Enabling PICs... ");
+ // interrupts::enable_pic();
+ // println_log!("[Success]");
// print_log!(" Disabling PICs... ");
// interrupts::disable_pic();
// println_log!("[Success]");
- // print_log!(" Initialising APIC");
- // enable_apic();
- // println_log!("[Success]");
+ print_log!(" Initialising APIC... ");
+ enable_apic();
+ println_log!("[Success]");
print_log!(" Enabling Interrupts... ");
x86_64::instructions::interrupts::enable();
diff --git a/libm/src/lib.rs b/libm/src/lib.rs
index f6de287..7480206 100644
--- a/libm/src/lib.rs
+++ b/libm/src/lib.rs
@@ -40,13 +40,13 @@ pub fn include_font(item: TokenStream) -> TokenStream {
filename.value()
);
- let font_bytes = match load_file(file_path) {
+ let font_bytes = match std::fs::read(file_path) {
Ok(bytes) => bytes,
Err(why) => panic!("{}", why),
};
- let font_data = match Font::new(font_bytes) {
- Ok(font) => font.0,
+ let font_data = match FontBuilder::load(font_bytes) {
+ Ok(font) => font.data,
Err(why) => panic!("{}", why),
};
@@ -66,40 +66,39 @@ struct FontData {
width: u8,
height: u8,
length: u16,
- data: Vec,
- unicode_table: [[u8; 2]; 512],
+ pub data: [[u8; 16]; 512],
}
-
-struct Glyph {
- bytes: Vec,
-}
-
enum FontBuilder {
- Psf1,
- Psf2,
+ Psf1(FontData),
+ Psf2(FontData),
}
impl FontBuilder {
const PSF1_MAGIC: u16 = 0x3604;
const PSF2_MAGIC: u32 = 0x72b54a86;
- pub fn load() -> Option {
- None
+ fn revision(data: &[u8]) -> u8 {
+ if (data[0] as u16) << 8 | data[1] as u16 == Self::PSF1_MAGIC {
+ 1
+ } else if (data[0] as u32) << 24 | (data[1] as u32) << 16 | (data[2] as u32) << 8 | data[3] as u32 == Self::PSF2_MAGIC {
+ 2
+ } else {
+ 0
+ }
}
-}
-impl Font {
- const MAGIC: u16 = 0x3604;
+ pub fn load(data: Vec) -> Result {
+ match Self::revision(&data[0..4]) {
+ 1 => Self::parse_psf1(&data),
+ 2 => Self::parse_psf2(&data),
+ _ => panic!("invalid font revision result"),
+ }
+ }
- pub fn new(data: [u8; (32 + 2) * 512 + 4]) -> Result {
- let magic: u16 = (data[0] as u16) << 8 | data[1] as u16;
+ fn parse_psf1(data: &[u8]) -> Result {
let mode = data[2];
let size = data[3];
- if magic != Self::MAGIC {
- return Err("Magic value is invalid!");
- }
-
let has_512_glyphs = (mode & 0x01) != 0;
let mut glyphs = [[0; 16]; 512];
let glyph_count = if has_512_glyphs { 512 } else { 256 };
@@ -112,29 +111,15 @@ impl Font {
glyphs[i] = buff;
}
- Ok(Self(glyphs))
- }
-}
-
-type FileContents = [u8; (32 + 2) * 512 + 4];
-fn load_file(filename: String) -> Result {
- let mut buf = [0; (32 + 2) * 512 + 4];
- let mut f = File::open(filename).unwrap();
- f.seek(SeekFrom::Start(0)).unwrap();
-
- loop {
- match f.read(&mut buf) {
- Ok(read) => {
- if read == 0 {
- break;
- }
- }
- Err(why) => {
- eprintln!("Failed to read PS1 font file: {}", why);
- return Err(why);
- }
- }
+ Ok(FontData {
+ width: 8,
+ height: size,
+ length: glyph_count,
+ data: glyphs,
+ })
}
- Ok(buf)
+ fn parse_psf2(data: &[u8]) -> Result {
+ Err("PSF2 support is not implemented yet!")
+ }
}