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#ifndef SMP_INCLUDED
#define SMP_INCLUDED
#include <stdint.h>
#include <stdbool.h>
#include <cpuid.h>
#include <printf.h>
void smp_prepare();
extern uint8_t corecount;
/**
static inline void lock(uint8_t *lock) {
asm("mov al, 1\n"
"spinlock:\n"
"lock xchgb [%0], al\n"
"test al, al\n"
"pause\n"
"jnz spinlock\n"
::"r"(lock):"al");
}
**/
static inline void lock(uint16_t *mutex) {
asm(".spinlock_%=:\n"
"lock bts %0, 0\n"
"jnc .done_%=\n"
"pause\n"
"jmp .spinlock_%=\n"
".done_%=:\n"
::"m"(*mutex));
}
static inline void unlock(uint16_t *mutex) {
asm("lock btr %0, 0\n"
::"m"(*mutex));
}
/**
static inline void unlock(uint8_t *lock) {
asm("lock andb [%0], 0"::"r"(lock));
}
**/
static inline bool get_set_mutex(uint16_t *mutex) {
bool ret;
asm("lock bts %1, 0\n"
"jc .mutex_taken_%=\n"
"mov %0, 0\n"
"jmp .done_%=\n"
".mutex_taken_%=:\n"
"mov %0, 1\n"
".done_%=:\n"
:"=r"(ret)
:"m"(*mutex));
return ret;
}
//THIS IS ONLY UNTIL WE GET MULTITHREADING SET UP
uint8_t get_coreid();
#endif
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