C++ (Cpp) OFFSET_FROM_BIT Examples

Example #1

File: paging.c Project: CodeGrimoire/BaMFos

static uint32_t test_frame(uintptr_t addr)
{
	uintptr_t frame = addr/0x1000;
	uint32_t idx = INDEX_FROM_BIT(frame);
	uint32_t off = OFFSET_FROM_BIT(frame);
	return (frames[idx] & (0x1 << off));	
}

Example #2

File: pmm.c Project: Nov11/jamesos

void clear_frame(u32int frame_addr)
{
	u32int frame = frame_addr / 0x1000;
	u32int idx = INDEX_FROM_BIT(frame);
	u32int off = OFFSET_FROM_BIT(frame);
	frames[idx] &= ~(0x1 << off);
}

Example #3

File: paging.c Project: CodeGrimoire/BaMFos

static void clear_frame(uintptr_t addr)
{
	uintptr_t frame = addr/0x1000;
	uint32_t idx = INDEX_FROM_BIT(frame);
	uint32_t off = OFFSET_FROM_BIT(frame);
	frames[idx] &= ~(0x1 << off);
}

Example #4

File: pmm.c Project: Nov11/jamesos

u32int test_frame(u32int frame_addr)
{
	u32int frame = frame_addr / 0x1000;
	u32int idx = INDEX_FROM_BIT(frame);
	u32int off = OFFSET_FROM_BIT(frame);
	return frames[idx] & (0x1 << off);
}

Example #5

File: frame.c Project: hach-que/Kernel

/* Static function to test if a bit is set */
static unsigned int test_frame(addr frame_addr)
{
    addr frame = frame_addr/0x1000;
    addr idx = INDEX_FROM_BIT(frame);
    addr off = OFFSET_FROM_BIT(frame);
    return (frames[idx] & (0x1 << off));
}

Example #6

File: page.c Project: salma-rodriguez/toyOS

static void clear_frame(uint32_t frame_addr)
{
	uint32_t frame = frame_addr/PAGE_SIZ;
	uint32_t idx = INDEX_FROM_BIT(frame);
	uint32_t off = OFFSET_FROM_BIT(frame);
	frames[idx] &= ~(0x1 << off);
}

Example #7

File: frame.c Project: hach-que/Kernel

/* Static function to set a bit in the frames bitset */
static void set_frame(addr frame_addr)
{
    addr frame = frame_addr/0x1000;
    addr idx = INDEX_FROM_BIT(frame);
    addr off = OFFSET_FROM_BIT(frame);
    frames[idx] |= (0x1 << off);
}

Example #8

File: frame.c Project: theunamedguy/gamma

static void clear_frame(uint32_t frame_addr)
{
  uint32_t frame=frame_addr/0x1000;
  uint32_t idx=INDEX_FROM_BIT(frame);
  uint32_t offset=OFFSET_FROM_BIT(frame);
  frames[idx] &= ( ~(1<<offset) );
}

Example #9

File: frame.c Project: theunamedguy/gamma

static uint32_t test_frame(uint32_t frame_addr)
{
  uint32_t frame=frame_addr/0x1000;
  uint32_t idx=INDEX_FROM_BIT(frame);
  uint32_t offset=OFFSET_FROM_BIT(frame);
  return frames[idx] & (1<<offset);
}

Example #10

File: page.c Project: Ted-Chang/matrix

static void set_frame(uint32_t frame_addr)
{
	uint32_t frame = frame_addr / 0x1000;
	uint32_t idx = INDEX_FROM_BIT(frame);
	uint32_t off = OFFSET_FROM_BIT(frame);

	_pages[idx] |= (0x1 << off);
}

Example #11

File: page.c Project: salma-rodriguez/toyOS

static void set_frame(uint32_t frame_addr)
{
	off_t off;
	uint32_t idx, frame;
	frame = frame_addr/PAGE_SIZ;
	idx = INDEX_FROM_BIT(frame);
	off = OFFSET_FROM_BIT(frame);
	frames[idx] |= (0x1 << off);
}

Example #12

File: bitset.hpp Project: Heitorh3/miniOS

		// Static function to test if a bit is set.
		inline bool operator[]( const size_t &pos ) const {
			//static u32int test_frame(u32int frame_addr)
			//{
//			uint32_t frame = frame_addr/0x1000;
			const uint32_t idx = INDEX_FROM_BIT(pos);
			const uint32_t off = OFFSET_FROM_BIT(pos);
			return (base[idx] & (0x1 << off));
			//}
		}

Example #13

File: paging.c Project: CodeGrimoire/BaMFos

static void set_frame(uintptr_t addr)
{
	if(addr < nframes * 0x1000)
	{
		uint32_t frame = addr/0x1000;
		uint32_t idx = INDEX_FROM_BIT(frame);
		uint32_t off = OFFSET_FROM_BIT(frame);
		frames[idx] |= (0x1 << off);
	}
}

Example #14

File: bitset.hpp Project: Heitorh3/miniOS

		inline void clear( const size_t &pos ){
//			uint32_t frame = frame_addr/0x1000;
			const uint32_t idx = INDEX_FROM_BIT(pos);
			const uint32_t off = OFFSET_FROM_BIT(pos);
			base[idx] &= ~(0x1 << off);
		}

Example #15

File: bitset.hpp Project: Heitorh3/miniOS

		inline void set( const size_t &pos ){
//			u32int frame = frame_addr/0x1000;
			const uint32_t idx = INDEX_FROM_BIT(pos);
			const uint32_t off = OFFSET_FROM_BIT(pos);
			base[idx] |= (0x1 << off);
		}

Example #16

File: scheduler.c Project: UIKit0/pmk

/**
 * Set a bit in the frames bitset as used.
 *
 * @param frame Offset into the array
 */
static inline void set_frame(unsigned int frame) {
	unsigned int idx = INDEX_FROM_BIT(frame);
	unsigned int off = OFFSET_FROM_BIT(frame);
	frames[idx] |= (0x1 << off);
}