Archipelago » qemu

static always_inline int clz32(uint32_t val)

{

    if (val)

        return __builtin_clz(val);

    else

static always_inline int clz64(uint64_t val)

{

    if (val)

        return __builtin_clzll(val);

    else

static always_inline int ctz32 (uint32_t val)

{

    if (val)

        return __builtin_ctz(val);

    else

static always_inline int ctz64 (uint64_t val)

{

    if (val)

        return __builtin_ctz(val);

    else

static always_inline int ctpop32 (uint32_t val)

{

    return __builtin_popcount(val);

#else

    val = (val & 0x55555555) + ((val >>  1) & 0x55555555);

static always_inline int ctpop64 (uint64_t val)

{

    return __builtin_popcountll(val);

#else

    val = (val & 0x5555555555555555ULL) + ((val >>  1) & 0x5555555555555555ULL);

#include "hw.h"

#include "pc.h"

#include "qemu-timer.h"

//#define DEBUG_APIC

//#define DEBUG_IOAPIC

/* Find first bit starting from msb */

static int fls_bit(uint32_t value)

{

    return 31 - __builtin_clz(value);

#else

    unsigned int ret = 0;

/* Find first bit starting from lsb */

static int ffs_bit(uint32_t value)

{

    return __builtin_ffs(value) - 1;

#else

    unsigned int ret = 0;

#define qemu_printf printf

void *qemu_memalign(size_t alignment, size_t size);

void *qemu_vmalloc(size_t size);

void qemu_vfree(void *ptr);