diff options
Diffstat (limited to 'src/idt')
-rw-r--r-- | src/idt/interruptgate.cc | 10 | ||||
-rw-r--r-- | src/idt/interrupthandler.cc | 14 |
2 files changed, 24 insertions, 0 deletions
diff --git a/src/idt/interruptgate.cc b/src/idt/interruptgate.cc new file mode 100644 index 0000000..0dbcce2 --- /dev/null +++ b/src/idt/interruptgate.cc @@ -0,0 +1,10 @@ +#include "../idt.h" + +static_assert(sizeof(IDT::Entry) == 8); // size of IDT::Entry in protected mode is 64 bits + +IDT::Entry::Entry(void (*handler)(), uint16_t select, IDT::InterruptType t) { + offset_0_15 = reinterpret_cast<uint32_t>(handler) & 0xffff; + offset_16_31 = (reinterpret_cast<uint32_t>(handler) >> 16) & 0xffff; + selector = select; + type = t; +} diff --git a/src/idt/interrupthandler.cc b/src/idt/interrupthandler.cc new file mode 100644 index 0000000..7af830b --- /dev/null +++ b/src/idt/interrupthandler.cc @@ -0,0 +1,14 @@ +#include <stdlib.h> +#include "../idt.h" + +InterruptHandler::InterruptHandler(uint8_t irq) : m_irq(irq) { + IDT::install(m_irq, this); +} + +InterruptHandler::~InterruptHandler() { + IDT::uninstall(m_irq, this); +} + +void InterruptHandler::trigger() { + printk("Unhandled interrupt ", uhex{m_irq}, '\n'); +} |