30 lines
		
	
	
		
			472 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			472 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include "syslib.h"
 | 
						|
#include <unistd.h>
 | 
						|
#include <string.h>
 | 
						|
 | 
						|
int
 | 
						|
vm_memctl(endpoint_t ep, int req, void** addr, size_t *len)
 | 
						|
{
 | 
						|
	message m;
 | 
						|
	int r;
 | 
						|
 | 
						|
	memset(&m, 0, sizeof(m));
 | 
						|
	m.VM_RS_CTL_ENDPT = ep;
 | 
						|
	m.VM_RS_CTL_REQ = req;
 | 
						|
	m.VM_RS_CTL_ADDR = addr ? *addr : 0;
 | 
						|
	m.VM_RS_CTL_LEN = len ? *len : 0;
 | 
						|
 | 
						|
	r = _taskcall(VM_PROC_NR, VM_RS_MEMCTL, &m);
 | 
						|
	if(r != OK) {
 | 
						|
		return r;
 | 
						|
	}
 | 
						|
	if(addr) {
 | 
						|
		*addr = m.VM_RS_CTL_ADDR;
 | 
						|
	}
 | 
						|
	if(len) {
 | 
						|
		*len = m.VM_RS_CTL_LEN;
 | 
						|
	}
 | 
						|
 | 
						|
	return OK;
 | 
						|
}
 |