diff options
Diffstat (limited to 'Source/Kernel/TaskManager/Thread.class.cpp')
| -rw-r--r-- | Source/Kernel/TaskManager/Thread.class.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Source/Kernel/TaskManager/Thread.class.cpp b/Source/Kernel/TaskManager/Thread.class.cpp index ae399f4..2d167df 100644 --- a/Source/Kernel/TaskManager/Thread.class.cpp +++ b/Source/Kernel/TaskManager/Thread.class.cpp @@ -71,6 +71,45 @@ void Thread::finish(u32int errcode) { m_process->threadFinishes(this, errcode); } +void Thread::handleException(registers_t regs, int no) { + char* exceptions[] = { + "Division by zero", "Debug exception", "Non maskable interrupt", + "Breakpoint exception", "'Into detected overflow'", "Out of bounds exception", + "Invalid opcode exception", "No coprocessor exception", "Double fault", + "Coprocessor segment overrun", "Bad TSS", "Segment not present", + "Stack fault", "General protection fault", "Page fault", + "Unknown", "Coprocessor fault", "Alignement check exception", + "Machine check exception", "", "", + "", "", "", + "", "", "", + "", "", "", + "", ""}; + + *(m_process->m_vt) << "\nUnhandled exception " << (s32int)no << " at " << (u32int)regs.cs << ":" << + (u32int)regs.eip << "\n:: " << exceptions[no]; + + if (no == 14) { //Page fault + int present = !(regs.err_code & 0x1); + int rw = regs.err_code & 0x2; + int us = regs.err_code & 0x4; + int rsvd = regs.err_code & 0x8; + u32int faddr; + asm volatile("mov %%cr2, %0" : "=r"(faddr)); + *(m_process->m_vt) << "\n "; + if (present) *(m_process->m_vt) << "Present "; + if (rw) *(m_process->m_vt) << "R/W "; + if (us) *(m_process->m_vt) << "User "; + if (rsvd) *(m_process->m_vt) << "Rsvd "; + *(m_process->m_vt) << "At:" << (u32int)faddr; + + *(m_process->m_vt) << "\nThread finishing.\n"; + finish(E_PAGEFAULT); + return; + } + *(m_process->m_vt) << "\nThread finishing.\n"; + finish(E_UNHANDLED_EXCEPTION); +} + void Thread::setState(u32int esp, u32int ebp, u32int eip) { m_esp = esp; m_ebp = ebp; |