35 lines
953 B
C
35 lines
953 B
C
#include "syslib.h"
|
|
|
|
/*===========================================================================*
|
|
* sys_vumap *
|
|
*===========================================================================*/
|
|
int sys_vumap(
|
|
endpoint_t endpt, /* source process endpoint, or SELF */
|
|
struct vumap_vir *vvec, /* virtual (input) vector */
|
|
int vcount, /* number of elements in vvec */
|
|
size_t offset, /* offset into first vvec element */
|
|
int access, /* requested safecopy access flags */
|
|
struct vumap_phys *pvec, /* physical (output) vector */
|
|
int *pcount /* (max, returned) nr of els in pvec */
|
|
)
|
|
{
|
|
message m;
|
|
int r;
|
|
|
|
m.VUMAP_ENDPT = endpt;
|
|
m.VUMAP_VADDR = (vir_bytes) vvec;
|
|
m.VUMAP_VCOUNT = vcount;
|
|
m.VUMAP_OFFSET = offset;
|
|
m.VUMAP_ACCESS = access;
|
|
m.VUMAP_PADDR = (vir_bytes) pvec;
|
|
m.VUMAP_PMAX = *pcount;
|
|
|
|
r = _kernel_call(SYS_VUMAP, &m);
|
|
|
|
if (r != OK)
|
|
return r;
|
|
|
|
*pcount = m.VUMAP_PCOUNT;
|
|
return OK;
|
|
}
|