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Line 136... Line 136...
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 * value of EFLAGS.
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 * value of EFLAGS.
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 */
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 */
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static inline pri_t cpu_priority_low(void) {
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static inline pri_t cpu_priority_low(void) {
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    pri_t v;
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    pri_t v;
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    __asm__ volatile (
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    __asm__ volatile (
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        "pushf\n"
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        "pushf\n\t"
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        "popl %0\n"
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        "popl %0\n\t"
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        "sti\n"
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        "sti\n"
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        : "=r" (v)
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        : "=r" (v)
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    );
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    );
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    return v;
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    return v;
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}
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}
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 * value of EFLAGS.
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 * value of EFLAGS.
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 */
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 */
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static inline pri_t cpu_priority_high(void) {
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static inline pri_t cpu_priority_high(void) {
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    pri_t v;
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    pri_t v;
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    __asm__ volatile (
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    __asm__ volatile (
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        "pushf\n"
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        "pushf\n\t"
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        "popl %0\n"
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        "popl %0\n\t"
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        "cli\n"
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        "cli\n"
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        : "=r" (v)
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        : "=r" (v)
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    );
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    );
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    return v;
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    return v;
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}
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}
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 *
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 *
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 * Restore EFLAGS.
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 * Restore EFLAGS.
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 */
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 */
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static inline void cpu_priority_restore(pri_t pri) {
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static inline void cpu_priority_restore(pri_t pri) {
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    __asm__ volatile (
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    __asm__ volatile (
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        "pushl %0\n"
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        "pushl %0\n\t"
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        "popf\n"
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        "popf\n"
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        : : "r" (pri)
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        : : "r" (pri)
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    );
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    );
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}
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}
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 * Return EFLAFS.
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 * Return EFLAFS.
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 */
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 */
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static inline pri_t cpu_priority_read(void) {
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static inline pri_t cpu_priority_read(void) {
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    pri_t v;
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    pri_t v;
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    __asm__ volatile (
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    __asm__ volatile (
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        "pushf\n"
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        "pushf\n\t"
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        "popl %0\n"
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        "popl %0\n"
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        : "=r" (v)
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        : "=r" (v)
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    );
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    );
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    return v;
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    return v;
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}
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}
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    __asm__ volatile("rdtsc\n" : "=A" (v));
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    __asm__ volatile("rdtsc\n" : "=A" (v));
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    return v;
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    return v;
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}
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}
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- 
 
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/** Copy memory
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 *
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 * Copy a given number of bytes (3rd argument)
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 * from the memory location defined by 2nd argument
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 * to the memory location defined by 1st argument.
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 * The memory areas cannot overlap.
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 *
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 * @param destination
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 * @param source
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 * @param number of bytes
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 * @return destination
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 */
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static inline void * memcpy(void * dst, const void * src, size_t cnt)
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{
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    __u32 d0, d1, d2;
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    __asm__ __volatile__(
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        "rep movsl\n\t"
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        "movl %4, %%ecx\n\t"
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        "andl $3, %%ecx\n\t"
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        "jz 1f\n\t"
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        "rep movsb\n\t"
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        "1:\n"
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        : "=&c" (d0), "=&D" (d1), "=&S" (d2)
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        : "0" (cnt / 4), "g" (cnt), "1" ((__u32) dst), "2" ((__u32) src)
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        : "memory");
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    return dst;
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}
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#endif
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#endif