Dokumentation
hpet.cc File Reference
#include "machine/hpet.h"#include "machine/acpi.h"#include "machine/core.h"#include "debug/assert.h"#include "debug/kernelpanic.h"#include "debug/output.h"
Include dependency graph for hpet.cc:Classes | |
| struct | HPET::ConfigurationRegister.__unnamed38__ |
Namespaces | |
| namespace | HPET |
| Abstraction of the HPET existing in "modern" computers (since ~2005) | |
Typedefs | |
| typedef uint64_t | HPET::InterruptStatusRegister |
| Global state register for interrupts. | |
Enumerations | |
| enum | HPET::RegisterOffset : uint16_t { HPET::CAPABILITIES_AND_ID = 0x000 , HPET::CONFIGURATION = 0x010 , HPET::INTERRUPT_STATUS = 0x020 , HPET::MAIN_COUNTER = 0x0f0 } |
| Register Offsets. More... | |
Functions | |
| static uint64_t | HPET::read (RegisterOffset offset) |
| static void | HPET::write (RegisterOffset offset, uint64_t value) |
| static uint64_t | HPET::getTicks (uint64_t usecs) |
| bool | HPET::init () |
| Initializes the HPET system from ACPI Table. | |
| void | HPET::delay (uint64_t usecs) |
| Delays the caller's execution by approx. | |
| bool | HPET::isEnabled () |
| Checks whether the HPET system is enabled. | |
| void | HPET::reset () |
| Reset the global counter to zero. | |
| uint64_t | HPET::get () |
| void | HPET::enable () |
| Activate the HPET system. | |
| void | HPET::disable () |
| Deactivate the HPET system. | |
| size_t | HPET::countComparators () |
| Retrieve the number of HPET comparators. | |
| Comparator * | HPET::getComparator (size_t n) |
Returns a pointer to the nth timer comparator. | |
Constants | |
| uintptr_t | HPET::base_address = 0 |
| static uint16_t | HPET::min_periodic_clock_tick |