44 lines
1.3 KiB
C
44 lines
1.3 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");
|
|
return rets;
|
|
} |