CoolPotOS/apps/libs/syscall.c

48 lines
1.4 KiB
C

#include "../include/syscall.h"
void syscall_print(char* c){
uint32_t rets;
uint32_t __arg1 = c;
register uint32_t ebx asm("ebx") = __arg1;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_PRINT), "r"(ebx) : "memory", "cc");
}
void syscall_putchar(char c){
uint32_t rets;
uint32_t __arg1 = (uint32_t)(c);
register uint32_t ebx asm("ebx") = __arg1;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_PUTC), "r"(ebx) : "memory", "cc");
}
char syscall_getc(){
uint32_t rets;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_GETC) : "memory", "cc");
return rets;
}
void* syscall_malloc(size_t size){
uint32_t rets;
uint32_t __arg1 = (uint32_t)(size);
register uint32_t ebx asm("ebx") = __arg1;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_MALLOC), "r"(ebx) : "memory", "cc");
return rets;
}
void syscall_free(void *ptr){
uint32_t rets;
uint32_t __arg1 = (uint32_t)(ptr);
register uint32_t ebx asm("ebx") = __arg1;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_FREE), "r"(ebx) : "memory", "cc");
}
void syscall_exit(int code){
uint32_t rets;
uint32_t __arg1 = (uint32_t)(code);
register uint32_t ebx asm("ebx") = __arg1;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_EXIT), "r"(ebx) : "memory", "cc");\
}
void syscall_g_clean(){
uint32_t rets;
asm volatile("int $31\n\t" : "=a"(rets) : "0"(SYSCALL_G_CLEAN) : "memory", "cc");
}