#include <VM/PMM.h>

static inline Size BitmapGetByteIndex(Address address) {
    return (address / kVMPageSize) / kVMBlocksPerByte;
}

static inline UInt8 BitmapGetBitOffset(Address address) {
    return (UInt8)((address / kVMPageSize) % kVMBlocksPerByte);
}

static inline Boolean BitmapTest(const MemoryPointer bitmap, Address address) {
    return (bitmap[BitmapGetByteIndex(address)] & (1U << BitmapGetBitOffset(address))) != 0;
}

static inline void BitmapSet(MemoryPointer bitmap, Address address) {
    bitmap[BitmapGetByteIndex(address)] |= (1U << BitmapGetBitOffset(address));
}

static inline void BitmapUnset(MemoryPointer bitmap, Address address) {
    bitmap[BitmapGetByteIndex(address)] &= ~(1U << BitmapGetBitOffset(address));
}