19 lines
354 B
C
19 lines
354 B
C
|
#include <stdint.h>
|
||
|
|
|
||
|
|
void* alloc_memory(uint32_t num_pages) {
|
||
|
|
void* address;
|
||
|
|
asm volatile(" \
|
||
|
|
mov $3, %%eax; \
|
||
|
|
int $80; \
|
||
|
|
":"=b"(address):"b"(num_pages));
|
||
|
|
return address;
|
||
|
|
}
|
||
|
|
|
||
|
|
void alloc_memory_virt(uint32_t num_pages,void* addr) {
|
||
|
|
void* address;
|
||
|
|
asm volatile(" \
|
||
|
|
mov $3, %%eax; \
|
||
|
|
int $80; \
|
||
|
|
"::"b"(num_pages),"c"(addr));
|
||
|
|
}
|