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cpu as a console command

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This commit is contained in:
Jack Halford 2018-04-05 13:49:47 +02:00
parent 4885defefa
commit 24fa39d45c
8 changed files with 46 additions and 40 deletions
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17
kernel-rs/src/arch/x86/device/cpu.rs
View file

@ -8,27 +8,27 @@ pub fn cpu_info() -> Result {
let cpuid = CpuId::new();
if let Some(info) = cpuid.get_vendor_info() {
println!("CPU Vendor: {}", info.as_string());
println!("Vendor: {}", info.as_string());
}
if let Some(info) = cpuid.get_extended_function_info() {
if let Some(brand) = info.processor_brand_string() {
println!("CPU Model: {}", brand);
println!("Model: {}", brand);
}
}
if let Some(info) = cpuid.get_processor_frequency_info() {
println!("CPU Base MHz: {}", info.processor_base_frequency());
println!("CPU Max MHz: {}", info.processor_max_frequency());
println!("Base MHz: {}", info.processor_base_frequency());
println!("Max MHz: {}", info.processor_max_frequency());
println!("Bus MHz: {}", info.bus_frequency());
} else {
set_color!(Red);
println!("couldn't retrieve CPU frequency info");
println!("Couldn't retrieve cpu frequency info");
set_color!();
}
if let Some(info) = cpuid.get_feature_info() {
print!("CPU Features:");
print!("Features:");
if info.has_fpu() { print!(" fpu") };
if info.has_vme() { print!(", vme") };
if info.has_de() { print!(", de") };
@ -97,7 +97,7 @@ pub fn cpu_info() -> Result {
}
if let Some(info) = cpuid.get_extended_function_info() {
print!("CPU extended function:");
print!("Extended function:");
if info.has_64bit_mode() { print!(" lm") };
if info.has_rdtscp() { print!(", rdtscp") };
if info.has_1gib_pages() { print!(", pdpe1gb") };
@ -111,7 +111,7 @@ pub fn cpu_info() -> Result {
}
if let Some(info) = cpuid.get_extended_feature_info() {
print!("CPU extended features:");
print!("Extended features:");
if info.has_fsgsbase() { print!(" fsgsbase") };
if info.has_tsc_adjust_msr() { print!(", tsc_adjust") };
if info.has_bmi1() { print!(", bmi1") };
@ -128,6 +128,5 @@ pub fn cpu_info() -> Result {
println!("");
}
Ok(())
}

6
kernel-rs/src/arch/x86/device/local_apic.rs
View file

@ -15,9 +15,7 @@ pub struct LocalApic {
}
impl LocalApic {
unsafe fn init(&mut self, active_table: &mut ActivePageTable) {
// let efer = Efer::read();
// println!("efer = {:?}", efer);
// flush!();
unsafe fn init(&mut self, _active_table: &mut ActivePageTable) {
// ???
}
}

1
kernel-rs/src/arch/x86/device/mod.rs
View file

@ -6,5 +6,4 @@ pub mod cpu;
pub unsafe fn init(active_table: &mut ActivePageTable) {
pic::init();
local_apic::init(active_table);
cpu::cpu_info().expect("cpuid not available");
}

9
kernel-rs/src/arch/x86/device/pic.rs
View file

@ -36,11 +36,12 @@ pub unsafe fn init() {
MASTER.data.write(master_mask); wait();
SLAVE.data.write(slave_mask); wait();
println!("master={:#x}", MASTER.data.read());
println!("slave ={:#x}", SLAVE.data.read());
// disable all irqs
MASTER.data.write(!0); wait();
SLAVE.data.write(!0); wait();
MASTER.mask_set(0);
MASTER.mask_clear(1);
// keyboard active
MASTER.mask_clear(1); wait();
// asm!("sti");
::x86::instructions::interrupts::enable();

6
kernel-rs/src/arch/x86/interrupt/irq.rs
View file

@ -6,13 +6,15 @@ macro_rules! interrupt {
($i:expr, $name:ident, $func:block) => {
pub extern "x86-interrupt" fn $name(stack_frame: &mut ExceptionStackFrame)
{
unsafe { trigger(1); }
unsafe { trigger($i); }
#[allow(unused_variables)]
fn inner(stack: &mut ExceptionStackFrame) {
$func
}
inner(stack_frame);
unsafe { acknowledge(1); }
unsafe { acknowledge($i); }
}
}
}

1
kernel-rs/src/arch/x86/mod.rs
View file

@ -42,7 +42,6 @@ pub unsafe extern fn x86_rust_start(multiboot_info_addr: usize) {
// after core has loaded
::memory::init_noncore();
// primary CPU entry point
::kmain();
}

14
kernel-rs/src/console.rs
View file

@ -23,6 +23,7 @@ fn dispatch(command: &str) -> Result <(), &'static str> {
// others
"stack" => self::print_stack(),
"regs" => self::regs(),
"cpu" => self::cpu(),
_ => Err("Command unknown. (h|help for help)"),
}
@ -48,6 +49,7 @@ fn help() -> Result <(), &'static str> {
println!("shutdown | halt | q => Kill a kitten, then shutdown");
println!("stack => Print kernel stack in a fancy way");
println!("regs => Print controle register");
println!("cpu => Print cpu information");
flush!();
Ok(())
}
@ -177,11 +179,17 @@ pub fn acpi_info() -> Result <(), &'static str> {
}
pub fn regs() -> Result <(), &'static str> {
use x86::registers::control::*;
use ::x86::registers::control::*;
println!("cr0={:#b}", Cr0::read());
println!("cr3={:?}", Cr3::read());
println!("cr4={:?}", Cr4::read());
flush!();
Ok(())
}
pub fn cpu() -> Result <(), &'static str> {
use ::arch::x86::device::cpu;
cpu::cpu_info().expect("cpu info not available");
flush!();
// TODO implement cr4 flags in `x86` module
// println!("cr4={:#b}", Cr4::read());
Ok(())
}

30
kernel-rs/src/vga/mod.rs
View file

@ -199,21 +199,21 @@ impl fmt::Write for Writer {
pub fn init() {
set_color!(White, Cyan);
// print!("{}{}{}{}{}{}{}{}{}{}{}{}{}{}",
// format_args!("{: ^80}", r#" ,--, "#),
// format_args!("{: ^80}", r#" ,--.'| ,----, "#),
// format_args!("{: ^80}", r#" ,--, | : .' .' \ "#),
// format_args!("{: ^80}", r#",---.'| : ' ,----,' | "#),
// format_args!("{: ^80}", r#"; : | | ; | : . ; "#),
// format_args!("{: ^80}", r#"| | : _' | ; |.' / "#),
// format_args!("{: ^80}", r#": : |.' | `----'/ ; "#),
// format_args!("{: ^80}", r#"| ' ' ; : / ; / "#),
// format_args!("{: ^80}", r#"\ \ .'. | ; / /-, "#),
// format_args!("{: ^80}", r#" `---`: | ' / / /.`| "#),
// format_args!("{: ^80}", r#" ' ; |./__; : "#),
// format_args!("{: ^80}", r#" | : ;| : .' "#),
// format_args!("{: ^80}", r#" ' ,/ ; | .' "#),
// format_args!("{: ^80}", r#" '--' `---' "#));
print!("{}{}{}{}{}{}{}{}{}{}{}{}{}{}",
format_args!("{: ^80}", r#" ,--, "#),
format_args!("{: ^80}", r#" ,--.'| ,----, "#),
format_args!("{: ^80}", r#" ,--, | : .' .' \ "#),
format_args!("{: ^80}", r#",---.'| : ' ,----,' | "#),
format_args!("{: ^80}", r#"; : | | ; | : . ; "#),
format_args!("{: ^80}", r#"| | : _' | ; |.' / "#),
format_args!("{: ^80}", r#": : |.' | `----'/ ; "#),
format_args!("{: ^80}", r#"| ' ' ; : / ; / "#),
format_args!("{: ^80}", r#"\ \ .'. | ; / /-, "#),
format_args!("{: ^80}", r#" `---`: | ' / / /.`| "#),
format_args!("{: ^80}", r#" ' ; |./__; : "#),
format_args!("{: ^80}", r#" | : ;| : .' "#),
format_args!("{: ^80}", r#" ' ,/ ; | .' "#),
format_args!("{: ^80}", r#" '--' `---' "#));
set_color!();
unsafe { VGA.prompt(); }
unsafe { VGA.flush(); }