diff options
Diffstat (limited to 'kernel/interrupts.c')
| -rw-r--r-- | kernel/interrupts.c | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/kernel/interrupts.c b/kernel/interrupts.c index c3ff513..3404228 100644 --- a/kernel/interrupts.c +++ b/kernel/interrupts.c @@ -53,6 +53,48 @@ void int_def_handler() X86_IRQ_END } +void int_irq0(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Divide by 0"); X86_IRQ_END } +void int_irq1(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Single step (debugger)"); X86_IRQ_END } +void int_irq2(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Non Maskable Interrupt"); X86_IRQ_END } +void int_irq3(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Breakpoint (debugger)"); X86_IRQ_END } +void int_irq4(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Overflow"); X86_IRQ_END } +void int_irq5(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Bounds check"); X86_IRQ_END } +void int_irq6(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Undefined OP Code"); X86_IRQ_END } +void int_irq7(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"No coprocessor"); X86_IRQ_END } +void int_irq8(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Double Fault"); X86_IRQ_END } +void int_irq9(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Coprocessor Segment Overrun"); X86_IRQ_END } +void int_irq10(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Invalid TSS"); X86_IRQ_END } +void int_irq11(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Segment Not Present"); X86_IRQ_END } +void int_irq12(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Stack Segment Overrun"); X86_IRQ_END } + +void show_error(uint32_t err) +{ + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"interrupt error code: 0x%08x",err); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"External Event: %x",err&0b001); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"Location: %x",err&0b110); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"Selector: %x",err&0b1111111111111000); +} + +void int_irq13() +{ + X86_IRQ_BEGIN + + uint32_t err; + asm("pop %eax"); // get Error Code + asm ("mov %%eax, %0":"=r"(err)); + show_error(err); + + panic(FOOLOS_MODULE_NAME,"General Protection Fault"); + + X86_IRQ_END +} + +void int_irq14(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Page Fault"); X86_IRQ_END } +void int_irq15(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Unassigned"); X86_IRQ_END } +void int_irq16(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Coprocessor error"); X86_IRQ_END } +void int_irq17(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Alignment Check"); X86_IRQ_END } +void int_irq18(){ X86_IRQ_BEGIN panic(FOOLOS_MODULE_NAME,"Machine Check"); X86_IRQ_END } + //set a handler for a specific interrupt void int_install_ir(int irq, uint16_t flags, uint16_t sel, void *addr) { @@ -71,13 +113,35 @@ void int_install_ir(int irq, uint16_t flags, uint16_t sel, void *addr) // set default handler for all interrupts for a start void int_init(uint16_t sel) { + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"initializing. IDT: 0x%08x, IDTD: 0x%08X",&idt,&idtd); + int i; for(i=0; i<INT_MAX; i++) { int_install_ir(i, 0b10001110, sel,&int_def_handler); } - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"initializing. IDT: 0x%08x, IDTD: 0x%08X",&idt,&idtd); + // exceptions + int_install_ir(0, 0b10001110, 0x08,&int_irq0); + int_install_ir(1, 0b10001110, 0x08,&int_irq1); + int_install_ir(2, 0b10001110, 0x08,&int_irq2); + int_install_ir(3, 0b10001110, 0x08,&int_irq3); + int_install_ir(4, 0b10001110, 0x08,&int_irq4); + int_install_ir(5, 0b10001110, 0x08,&int_irq5); + int_install_ir(6, 0b10001110, 0x08,&int_irq6); + int_install_ir(7, 0b10001110, 0x08,&int_irq7); + int_install_ir(8, 0b10001110, 0x08,&int_irq8); + int_install_ir(9, 0b10001110, 0x08,&int_irq9); + int_install_ir(10, 0b10001110, 0x08,&int_irq10); + int_install_ir(11, 0b10001110, 0x08,&int_irq11); + int_install_ir(12, 0b10001110, 0x08,&int_irq12); + int_install_ir(13, 0b10001110, 0x08,&int_irq13); + int_install_ir(14, 0b10001110, 0x08,&int_irq14); + int_install_ir(15, 0b10001110, 0x08,&int_irq15); + int_install_ir(16, 0b10001110, 0x08,&int_irq16); + int_install_ir(17, 0b10001110, 0x08,&int_irq17); + int_install_ir(18, 0b10001110, 0x08,&int_irq18); + } void int_install() |