diff options
Diffstat (limited to 'kernel/src/interrupts')
-rw-r--r-- | kernel/src/interrupts/exceptions.rs | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/kernel/src/interrupts/exceptions.rs b/kernel/src/interrupts/exceptions.rs index b6fb5a6..057adbc 100644 --- a/kernel/src/interrupts/exceptions.rs +++ b/kernel/src/interrupts/exceptions.rs @@ -1,11 +1,19 @@ use x86_64::structures::idt::{InterruptStackFrame, PageFaultErrorCode}; +macro_rules! exception_default { + ($stack_frame: expr) => { + format_args!("instruction addr: 0x{:08x}\nstack addr: 0x{:08x}\nflags: 0x{:x}", + $stack_frame.instruction_pointer.as_u64(), + $stack_frame.cpu_flags, + $stack_frame.stack_pointer.as_u64() + ) + } +} + pub extern "x86-interrupt" fn breakpoint_handler(stack_frame: &mut InterruptStackFrame) { panic!( - "BREAKPOINT at {:x} Flags: {:b} Stack: {:x}", - stack_frame.instruction_pointer.as_u64(), - stack_frame.cpu_flags, - stack_frame.stack_pointer.as_u64() + "BREAKPOINT exception thrown\n\n{}", + exception_default!(stack_frame) ); } @@ -16,11 +24,11 @@ pub extern "x86-interrupt" fn page_fault_handler( use x86_64::registers::control::Cr2; panic!( - "PAGE FAULT while accessing address: {:x}{:?}Flags: {:b} Stack: {:x}", + "PAGE FAULT while accessing address: 0x{:08x}\nerror code: {:?}(0x{:x})\n{}", Cr2::read().as_u64(), error_code, - stack_frame.cpu_flags, - stack_frame.stack_pointer.as_u64() + error_code.bits(), + exception_default!(stack_frame) ); } @@ -29,10 +37,9 @@ pub extern "x86-interrupt" fn segment_not_present_handler( error_code: u64, ) { panic!( - "SEGMENT NOT PRESENT: {:?}Flags: {:b} Stack: {:x}", + "SEGMENT NOT PRESENT exception\nerror code: 0x{:x}\n{}", error_code, - stack_frame.cpu_flags, - stack_frame.stack_pointer.as_u64() + exception_default!(stack_frame) ); } @@ -41,8 +48,7 @@ pub extern "x86-interrupt" fn double_fault_handler( _error_code: u64, // code is always zero ) { panic!( - "DOUBLE FAULT Flags: {:b} Stack: {:x}", - stack_frame.cpu_flags, - stack_frame.stack_pointer.as_u64() + "DOUBLE FAULT\nthis is a fatal exception\n{}", + exception_default!(stack_frame) ); } |