keyboard now works with interrupts, cool

kernel-rs/src/arch/x86/device/cpu.rs

@@ -28,7 +28,7 @@ pub fn cpu_info() -> Result {
     }
 
     if let Some(info) = cpuid.get_feature_info() {
-        print!("Features:");
+        print!("CPU Features:");
         if info.has_fpu() { print!(" fpu") };
         if info.has_vme() { print!(", vme") };
         if info.has_de() { print!(", de") };

kernel-rs/src/arch/x86/device/pic.rs

@@ -36,13 +36,14 @@ pub unsafe fn init() {
     MASTER.data.write(master_mask); wait();
     SLAVE.data.write(slave_mask); wait();
 
-    println!("master={:#b}", MASTER.data.read());
+    println!("master={:#x}", MASTER.data.read());
-    println!("slave ={:#b}", SLAVE.data.read());
+    println!("slave ={:#x}", SLAVE.data.read());
 
-    unsafe { ::arch::x86::interrupt::irq::trigger(1); }
+    MASTER.mask_set(0);
+    MASTER.mask_clear(1);
 
-    println!("master={:#b}", MASTER.data.read());
+    // asm!("sti");
-    println!("slave ={:#b}", SLAVE.data.read());
+    ::x86::instructions::interrupts::enable();
 }
 
 pub struct Pic {

kernel-rs/src/arch/x86/interrupt/exception.rs

@@ -1,24 +1,59 @@
 // https://wiki.osdev.org/Exceptions
 
+macro_rules! exception {
+    ($name:ident, $func:block) => {
+        pub extern "x86-interrupt" fn $name(stack_frame: &mut ExceptionStackFrame)
+        {
+            println!("Exception: {}", stringify!($name));
+            println!("{:#?}", stack_frame);
+            flush!();
+
+            #[allow(unused_variables)]
+            fn inner(stack: &mut ExceptionStackFrame) {
+                $func
+            }
+            inner(stack_frame);
+        }
+    }
+}
+
+macro_rules! exception_err {
+    ($name:ident, $func:block) => {
+        pub extern "x86-interrupt" fn $name(
+            stack_frame: &mut ExceptionStackFrame, _error_code: u32)
+        {
+            println!("Exception: {}", stringify!($name));
+            println!("{:#?}", stack_frame);
+            flush!();
+
+            #[allow(unused_variables)]
+            fn inner(stack: &mut ExceptionStackFrame) {
+                $func
+            }
+            inner(stack_frame);
+        }
+    }
+}
+
 use x86::structures::idt::*;
 
-interrupt!(divide_by_zero, {});
+exception!(divide_by_zero, {});
-interrupt!(debug, {});
+exception!(debug, {});
-interrupt!(non_maskable, {});
+exception!(non_maskable, {});
-interrupt!(breakpoint, {
+exception!(breakpoint, {
     println!("testing here dont mind me");
     flush!();
 });
-interrupt!(overflow, {});
+exception!(overflow, {});
-interrupt!(bound_range, {});
+exception!(bound_range, {});
-interrupt!(invalid_opcode, {});
+exception!(invalid_opcode, {});
-interrupt!(device_not_available, {});
+exception!(device_not_available, {});
-interrupt_err!(double_fault, {});
+exception_err!(double_fault, {});
-interrupt!(coprocessor_segment_overrun, {});
+exception!(coprocessor_segment_overrun, {});
-interrupt_err!(invalid_tss, {});
+exception_err!(invalid_tss, {});
-interrupt_err!(segment_not_present, {});
+exception_err!(segment_not_present, {});
-interrupt_err!(stack_segment, {});
+exception_err!(stack_segment, {});
-interrupt_err!(general_protection, {});
+exception_err!(general_protection, {});
 
 pub extern "x86-interrupt" fn page_fault(
     stack_frame: &mut ExceptionStackFrame, code: PageFaultErrorCode)
@@ -29,9 +64,9 @@ pub extern "x86-interrupt" fn page_fault(
     flush!();
 }
 
-interrupt!(x87_fpu, {});
+exception!(x87_fpu, {});
-interrupt_err!(alignment_check, {});
+exception_err!(alignment_check, {});
-interrupt!(machine_check, {});
+exception!(machine_check, {});
-interrupt!(simd, {});
+exception!(simd, {});
-interrupt!(virtualization, {});
+exception!(virtualization, {});
-interrupt_err!(security, {});
+exception_err!(security, {});

kernel-rs/src/arch/x86/interrupt/irq.rs

@@ -1,6 +1,22 @@
 use x86::structures::idt::*;
 use arch::x86::device::pic;
 
+#[macro_export]
+macro_rules! interrupt {
+    ($i:expr, $name:ident, $func:block) => {
+        pub extern "x86-interrupt" fn $name(stack_frame: &mut ExceptionStackFrame)
+        {
+            unsafe { trigger(1); }
+            #[allow(unused_variables)]
+            fn inner(stack: &mut ExceptionStackFrame) {
+                $func
+            }
+            inner(stack_frame);
+            unsafe { acknowledge(1); }
+        }
+    }
+}
+
 pub unsafe fn trigger(irq: u8) {
     if irq < 16 {
         if irq >= 8 {
@@ -18,34 +34,31 @@ pub unsafe fn acknowledge(irq: usize) {
     if irq < 16 {
         if irq >= 8 {
             pic::SLAVE.mask_clear(irq as u8 - 8);
+            pic::SLAVE.ack();
         } else {
             pic::MASTER.mask_clear(irq as u8);
+            pic::MASTER.ack();
         }
     }
 }
 
-interrupt!(pit, {});
+interrupt!(0, pit, {});
 
-interrupt!(keyboard, {
+interrupt!(1, keyboard, {
-    unsafe { trigger(1); }
+    ::keyboard::kbd_callback();
-
-    println!("IT WOOOOOOOOOORKS WOUHOU!!!!!!");
-    flush!();
-
-    unsafe { acknowledge(1); }
 });
 
-interrupt!(cascade, {});
+interrupt!(2, cascade, {});
-interrupt!(com2, {});
+interrupt!(3, com2, {});
-interrupt!(com1, {});
+interrupt!(4, com1, {});
-interrupt!(lpt2, {});
+interrupt!(5, lpt2, {});
-interrupt!(floppy, {});
+interrupt!(6, floppy, {});
-interrupt!(lpt1, {});
+interrupt!(7, lpt1, {});
-interrupt!(rtc, {});
+interrupt!(8, rtc, {});
-interrupt!(pci1, {});
+interrupt!(9, pci1, {});
-interrupt!(pci2, {});
+interrupt!(10, pci2, {});
-interrupt!(pci3, {});
+interrupt!(11, pci3, {});
-interrupt!(mouse, {});
+interrupt!(12, mouse, {});
-interrupt!(fpu, {});
+interrupt!(13, fpu, {});
-interrupt!(ata1, {});
+interrupt!(14, ata1, {});
-interrupt!(ata2, {});
+interrupt!(15, ata2, {});

kernel-rs/src/arch/x86/macros.rs

@@ -1,36 +0,0 @@
-#[macro_export]
-macro_rules! interrupt {
-    ($name:ident, $func:block) => {
-        pub extern "x86-interrupt" fn $name(stack_frame: &mut ExceptionStackFrame)
-        {
-            println!("Exception: {}", stringify!($name));
-            println!("{:#?}", stack_frame);
-            flush!();
-
-            #[allow(unused_variables)]
-            fn inner(stack: &mut ExceptionStackFrame) {
-                $func
-            }
-            inner(stack_frame);
-        }
-    }
-}
-
-#[macro_export]
-macro_rules! interrupt_err {
-    ($name:ident, $func:block) => {
-        pub extern "x86-interrupt" fn $name(
-            stack_frame: &mut ExceptionStackFrame, _error_code: u32)
-        {
-            println!("Exception: {}", stringify!($name));
-            println!("{:#?}", stack_frame);
-            flush!();
-
-            #[allow(unused_variables)]
-            fn inner(stack: &mut ExceptionStackFrame) {
-                $func
-            }
-            inner(stack_frame);
-        }
-    }
-}

kernel-rs/src/arch/x86/mod.rs

@@ -1,15 +1,14 @@
 extern crate x86;
 
 #[macro_use]
-pub mod macros;
 pub mod paging;
 pub mod interrupt;
 pub mod device;
+
 pub mod idt;
 
 use multiboot2;
 use acpi;
-use raw_cpuid::CpuId;
 
 #[no_mangle]
 pub unsafe extern fn x86_rust_start(multiboot_info_addr: usize) {

kernel-rs/src/lib.rs

@@ -14,7 +14,8 @@
 #![feature(abi_x86_interrupt)]
 
 extern crate rlibc;
-#[macro_use] extern crate alloc;
+// #[macro_use]
+extern crate alloc;
 #[macro_use] extern crate lazy_static;
 extern crate spin;
 extern crate multiboot2;
@@ -45,9 +46,7 @@ pub mod arch;
 /// kernel entry point. arch module is responsible for calling this
 pub fn kmain() -> ! {
 
-    // x86::instructions::interrupts::disable();
+    // x86::instructions::interrupts::int3();
-    x86::instructions::interrupts::int3();
-    // x86::instructions::interrupts::enable();
 
     // fn stack_overflow() { stack_overflow(); }
     // stack_overflow();