26 lines
875 B
C
26 lines
875 B
C
|
#include "syslib.h"
|
||
|
|
||
|
/*===========================================================================*
|
||
|
* sys_umap *
|
||
|
*===========================================================================*/
|
||
|
int sys_umap(proc_ep, seg, vir_addr, bytes, phys_addr)
|
||
|
endpoint_t proc_ep; /* process number to do umap for */
|
||
|
int seg; /* T, D, or S segment */
|
||
|
vir_bytes vir_addr; /* address in bytes with segment*/
|
||
|
vir_bytes bytes; /* number of bytes to be copied */
|
||
|
phys_bytes *phys_addr; /* placeholder for result */
|
||
|
{
|
||
|
message m;
|
||
|
int result;
|
||
|
|
||
|
m.m_lsys_krn_sys_umap.src_endpt = proc_ep;
|
||
|
m.m_lsys_krn_sys_umap.segment = seg;
|
||
|
m.m_lsys_krn_sys_umap.src_addr = vir_addr;
|
||
|
m.m_lsys_krn_sys_umap.nr_bytes = bytes;
|
||
|
|
||
|
result = _kernel_call(SYS_UMAP, &m);
|
||
|
*phys_addr = m.m_krn_lsys_sys_umap.dst_addr;
|
||
|
return(result);
|
||
|
}
|
||
|
|