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#include <gc/syscall.h>
#include <gc/mem.h>
static int call(unsigned a, unsigned b, unsigned c, unsigned d, unsigned e, unsigned f) {
unsigned ret;
asm volatile("int $64" : "=a"(ret) : "a"(a), "b"(b), "c"(c), "d"(d), "S"(e), "D"(f));
return ret;
}
void thread_exit() {
call(0, 0, 0, 0, 0, 0);
}
void schedule() {
call(1, 0, 0,0, 0, 0);
}
void thread_sleep(int time) {
call(2, time, 0, 0, 0, 0);
}
void process_exit(int retval) {
call(3, retval, 0, 0, 0, 0);
}
void printk(char* str) {
call(4, (unsigned)str, 0, 0, 0, 0);
}
//THREAD CREATION
struct thread_start_data {
void (*entry)(void*);
void *data;
void *stack;
};
void thread_start(void *data) {
struct thread_start_data *tsd = data;
tsd->entry(tsd->data);
free(tsd->stack);
thread_exit();
}
void thread_new(void (*entry)(void*), void *data) {
struct thread_start_data *tsd = malloc(sizeof(struct thread_start_data));
tsd->entry = entry;
tsd->data = data;
tsd->stack = malloc(NEW_STACK_SIZE);
call(5, (unsigned)thread_start, (unsigned)tsd, (unsigned)(tsd->stack + NEW_STACK_SIZE), 0, 0);
}
void irq_wait(int number) {
call(6, number, 0, 0, 0, 0);
}
int proc_priv() {
return call(7, 0, 0, 0, 0, 0);
}
int proc_setheap(size_t start, size_t end) {
return call(8, start, end, 0, 0, 0);
}
int shm_create(size_t offset, size_t length) {
return call(9, offset, length, 0, 0, 0);
}
int shm_delete(size_t offset) {
return call(10, offset, 0, 0, 0, 0);
}
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